提交 dd42e939 编写于 作者: B bernard.xiong

remove old CMSIS

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@683 bbd45198-f89e-11dd-88c7-29a3b14d5316
上级 dfdc92fa
/******************************************************************************
* @file: LPC17xx.h
* @purpose: CMSIS Cortex-M3 Core Peripheral Access Layer Header File for
* NXP LPC17xx Device Series
* @version: V1.04
* @date: 2. July 2009
*----------------------------------------------------------------------------
*
* Copyright (C) 2008 ARM Limited. All rights reserved.
*
* ARM Limited (ARM) is supplying this software for use with Cortex-M3
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#ifndef __LPC17xx_H__
#define __LPC17xx_H__
/*
* ==========================================================================
* ---------- Interrupt Number Definition -----------------------------------
* ==========================================================================
*/
typedef enum IRQn
{
/****** Cortex-M3 Processor Exceptions Numbers ***************************************************/
NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */
MemoryManagement_IRQn = -12, /*!< 4 Cortex-M3 Memory Management Interrupt */
BusFault_IRQn = -11, /*!< 5 Cortex-M3 Bus Fault Interrupt */
UsageFault_IRQn = -10, /*!< 6 Cortex-M3 Usage Fault Interrupt */
SVCall_IRQn = -5, /*!< 11 Cortex-M3 SV Call Interrupt */
DebugMonitor_IRQn = -4, /*!< 12 Cortex-M3 Debug Monitor Interrupt */
PendSV_IRQn = -2, /*!< 14 Cortex-M3 Pend SV Interrupt */
SysTick_IRQn = -1, /*!< 15 Cortex-M3 System Tick Interrupt */
/****** LPC17xx Specific Interrupt Numbers *******************************************************/
WDT_IRQn = 0, /*!< Watchdog Timer Interrupt */
TIMER0_IRQn = 1, /*!< Timer0 Interrupt */
TIMER1_IRQn = 2, /*!< Timer1 Interrupt */
TIMER2_IRQn = 3, /*!< Timer2 Interrupt */
TIMER3_IRQn = 4, /*!< Timer3 Interrupt */
UART0_IRQn = 5, /*!< UART0 Interrupt */
UART1_IRQn = 6, /*!< UART1 Interrupt */
UART2_IRQn = 7, /*!< UART2 Interrupt */
UART3_IRQn = 8, /*!< UART3 Interrupt */
PWM1_IRQn = 9, /*!< PWM1 Interrupt */
I2C0_IRQn = 10, /*!< I2C0 Interrupt */
I2C1_IRQn = 11, /*!< I2C1 Interrupt */
I2C2_IRQn = 12, /*!< I2C2 Interrupt */
SPI_IRQn = 13, /*!< SPI Interrupt */
SSP0_IRQn = 14, /*!< SSP0 Interrupt */
SSP1_IRQn = 15, /*!< SSP1 Interrupt */
PLL0_IRQn = 16, /*!< PLL0 Lock (Main PLL) Interrupt */
RTC_IRQn = 17, /*!< Real Time Clock Interrupt */
EINT0_IRQn = 18, /*!< External Interrupt 0 Interrupt */
EINT1_IRQn = 19, /*!< External Interrupt 1 Interrupt */
EINT2_IRQn = 20, /*!< External Interrupt 2 Interrupt */
EINT3_IRQn = 21, /*!< External Interrupt 3 Interrupt */
ADC_IRQn = 22, /*!< A/D Converter Interrupt */
BOD_IRQn = 23, /*!< Brown-Out Detect Interrupt */
USB_IRQn = 24, /*!< USB Interrupt */
CAN_IRQn = 25, /*!< CAN Interrupt */
DMA_IRQn = 26, /*!< General Purpose DMA Interrupt */
I2S_IRQn = 27, /*!< I2S Interrupt */
ENET_IRQn = 28, /*!< Ethernet Interrupt */
RIT_IRQn = 29, /*!< Repetitive Interrupt Timer Interrupt */
MCPWM_IRQn = 30, /*!< Motor Control PWM Interrupt */
QEI_IRQn = 31, /*!< Quadrature Encoder Interface Interrupt */
PLL1_IRQn = 32, /*!< PLL1 Lock (USB PLL) Interrupt */
USBActivity_IRQn = 33, /* USB Activity interrupt */
CANActivity_IRQn = 34, /* CAN Activity interrupt */
} IRQn_Type;
/*
* ==========================================================================
* ----------- Processor and Core Peripheral Section ------------------------
* ==========================================================================
*/
/* Configuration of the Cortex-M3 Processor and Core Peripherals */
#define __MPU_PRESENT 1 /*!< MPU present or not */
#define __NVIC_PRIO_BITS 5 /*!< Number of Bits used for Priority Levels */
#define __Vendor_SysTickConfig 0 /*!< Set to 1 if different SysTick Config is used */
#include <core_cm3.h> /* Cortex-M3 processor and core peripherals */
#include "system_LPC17xx.h" /* System Header */
/******************************************************************************/
/* Device Specific Peripheral registers structures */
/******************************************************************************/
#pragma anon_unions
/*------------- System Control (SC) ------------------------------------------*/
typedef struct
{
__IO uint32_t FLASHCFG; /* Flash Accelerator Module */
uint32_t RESERVED0[31];
__IO uint32_t PLL0CON; /* Clocking and Power Control */
__IO uint32_t PLL0CFG;
__I uint32_t PLL0STAT;
__O uint32_t PLL0FEED;
uint32_t RESERVED1[4];
__IO uint32_t PLL1CON;
__IO uint32_t PLL1CFG;
__I uint32_t PLL1STAT;
__O uint32_t PLL1FEED;
uint32_t RESERVED2[4];
__IO uint32_t PCON;
__IO uint32_t PCONP;
uint32_t RESERVED3[15];
__IO uint32_t CCLKCFG;
__IO uint32_t USBCLKCFG;
__IO uint32_t CLKSRCSEL;
__IO uint32_t CANSLEEPCLR;
__IO uint32_t CANWAKEFLAGS;
uint32_t RESERVED4[10];
__IO uint32_t EXTINT; /* External Interrupts */
uint32_t RESERVED5;
__IO uint32_t EXTMODE;
__IO uint32_t EXTPOLAR;
uint32_t RESERVED6[12];
__IO uint32_t RSID; /* Reset */
uint32_t RESERVED7[7];
__IO uint32_t SCS; /* Syscon Miscellaneous Registers */
__IO uint32_t IRCTRIM; /* Clock Dividers */
__IO uint32_t PCLKSEL0;
__IO uint32_t PCLKSEL1;
uint32_t RESERVED8[4];
__IO uint32_t USBIntSt; /* USB Device/OTG Interrupt Register */
uint32_t RESERVED9;
__IO uint32_t CLKOUTCFG; /* Clock Output Configuration */
} LPC_SC_TypeDef;
/*------------- Pin Connect Block (PINCON) -----------------------------------*/
typedef struct
{
__IO uint32_t PINSEL0;
__IO uint32_t PINSEL1;
__IO uint32_t PINSEL2;
__IO uint32_t PINSEL3;
__IO uint32_t PINSEL4;
__IO uint32_t PINSEL5;
__IO uint32_t PINSEL6;
__IO uint32_t PINSEL7;
__IO uint32_t PINSEL8;
__IO uint32_t PINSEL9;
__IO uint32_t PINSEL10;
uint32_t RESERVED0[5];
__IO uint32_t PINMODE0;
__IO uint32_t PINMODE1;
__IO uint32_t PINMODE2;
__IO uint32_t PINMODE3;
__IO uint32_t PINMODE4;
__IO uint32_t PINMODE5;
__IO uint32_t PINMODE6;
__IO uint32_t PINMODE7;
__IO uint32_t PINMODE8;
__IO uint32_t PINMODE9;
__IO uint32_t PINMODE_OD0;
__IO uint32_t PINMODE_OD1;
__IO uint32_t PINMODE_OD2;
__IO uint32_t PINMODE_OD3;
__IO uint32_t PINMODE_OD4;
__IO uint32_t I2CPADCFG;
} LPC_PINCON_TypeDef;
/*------------- General Purpose Input/Output (GPIO) --------------------------*/
typedef struct
{
__IO uint32_t FIODIR;
uint32_t RESERVED0[3];
__IO uint32_t FIOMASK;
__IO uint32_t FIOPIN;
__IO uint32_t FIOSET;
__O uint32_t FIOCLR;
} LPC_GPIO_TypeDef;
typedef struct
{
__I uint32_t IntStatus;
__I uint32_t IO0IntStatR;
__I uint32_t IO0IntStatF;
__O uint32_t IO0IntClr;
__IO uint32_t IO0IntEnR;
__IO uint32_t IO0IntEnF;
uint32_t RESERVED0[3];
__I uint32_t IO2IntStatR;
__I uint32_t IO2IntStatF;
__O uint32_t IO2IntClr;
__IO uint32_t IO2IntEnR;
__IO uint32_t IO2IntEnF;
} LPC_GPIOINT_TypeDef;
/*------------- Timer (TIM) --------------------------------------------------*/
typedef struct
{
__IO uint32_t IR;
__IO uint32_t TCR;
__IO uint32_t TC;
__IO uint32_t PR;
__IO uint32_t PC;
__IO uint32_t MCR;
__IO uint32_t MR0;
__IO uint32_t MR1;
__IO uint32_t MR2;
__IO uint32_t MR3;
__IO uint32_t CCR;
__I uint32_t CR0;
__I uint32_t CR1;
uint32_t RESERVED0[2];
__IO uint32_t EMR;
uint32_t RESERVED1[12];
__IO uint32_t CTCR;
} LPC_TIM_TypeDef;
/*------------- Pulse-Width Modulation (PWM) ---------------------------------*/
typedef struct
{
__IO uint32_t IR;
__IO uint32_t TCR;
__IO uint32_t TC;
__IO uint32_t PR;
__IO uint32_t PC;
__IO uint32_t MCR;
__IO uint32_t MR0;
__IO uint32_t MR1;
__IO uint32_t MR2;
__IO uint32_t MR3;
__IO uint32_t CCR;
__I uint32_t CR0;
__I uint32_t CR1;
__I uint32_t CR2;
__I uint32_t CR3;
uint32_t RESERVED0;
__IO uint32_t MR4;
__IO uint32_t MR5;
__IO uint32_t MR6;
__IO uint32_t PCR;
__IO uint32_t LER;
uint32_t RESERVED1[7];
__IO uint32_t CTCR;
} LPC_PWM_TypeDef;
/*------------- Universal Asynchronous Receiver Transmitter (UART) -----------*/
typedef struct
{
union {
__I uint8_t RBR;
__O uint8_t THR;
__IO uint8_t DLL;
uint32_t RESERVED0;
};
union {
__IO uint8_t DLM;
__IO uint32_t IER;
};
union {
__I uint32_t IIR;
__O uint8_t FCR;
};
__IO uint8_t LCR;
uint8_t RESERVED1[7];
__I uint8_t LSR;
uint8_t RESERVED2[7];
__IO uint8_t SCR;
uint8_t RESERVED3[3];
__IO uint32_t ACR;
__IO uint8_t ICR;
uint8_t RESERVED4[3];
__IO uint8_t FDR;
uint8_t RESERVED5[7];
__IO uint8_t TER;
uint8_t RESERVED6[39];
__I uint8_t FIFOLVL;
} LPC_UART_TypeDef;
typedef struct
{
union {
__I uint8_t RBR;
__O uint8_t THR;
__IO uint8_t DLL;
uint32_t RESERVED0;
};
union {
__IO uint8_t DLM;
__IO uint32_t IER;
};
union {
__I uint32_t IIR;
__O uint8_t FCR;
};
__IO uint8_t LCR;
uint8_t RESERVED1[7];
__I uint8_t LSR;
uint8_t RESERVED2[7];
__IO uint8_t SCR;
uint8_t RESERVED3[3];
__IO uint32_t ACR;
__IO uint8_t ICR;
uint8_t RESERVED4[3];
__IO uint8_t FDR;
uint8_t RESERVED5[7];
__IO uint8_t TER;
uint8_t RESERVED6[39];
__I uint8_t FIFOLVL;
uint8_t RESERVED7[363];
__IO uint32_t DMAREQSEL;
} LPC_UART0_TypeDef;
typedef struct
{
union {
__I uint8_t RBR;
__O uint8_t THR;
__IO uint8_t DLL;
uint32_t RESERVED0;
};
union {
__IO uint8_t DLM;
__IO uint32_t IER;
};
union {
__I uint32_t IIR;
__O uint8_t FCR;
};
__IO uint8_t LCR;
uint8_t RESERVED1[3];
__IO uint8_t MCR;
uint8_t RESERVED2[3];
__I uint8_t LSR;
uint8_t RESERVED3[3];
__I uint8_t MSR;
uint8_t RESERVED4[3];
__IO uint8_t SCR;
uint8_t RESERVED5[3];
__IO uint32_t ACR;
uint32_t RESERVED6;
__IO uint32_t FDR;
uint32_t RESERVED7;
__IO uint8_t TER;
uint8_t RESERVED8[27];
__IO uint8_t RS485CTRL;
uint8_t RESERVED9[3];
__IO uint8_t ADRMATCH;
uint8_t RESERVED10[3];
__IO uint8_t RS485DLY;
uint8_t RESERVED11[3];
__I uint8_t FIFOLVL;
} LPC_UART1_TypeDef;
/*------------- Serial Peripheral Interface (SPI) ----------------------------*/
typedef struct
{
__IO uint32_t SPCR;
__I uint32_t SPSR;
__IO uint32_t SPDR;
__IO uint32_t SPCCR;
uint32_t RESERVED0[3];
__IO uint32_t SPINT;
} LPC_SPI_TypeDef;
/*------------- Synchronous Serial Communication (SSP) -----------------------*/
typedef struct
{
__IO uint32_t CR0;
__IO uint32_t CR1;
__IO uint32_t DR;
__I uint32_t SR;
__IO uint32_t CPSR;
__IO uint32_t IMSC;
__IO uint32_t RIS;
__IO uint32_t MIS;
__IO uint32_t ICR;
__IO uint32_t DMACR;
} LPC_SSP_TypeDef;
/*------------- Inter-Integrated Circuit (I2C) -------------------------------*/
typedef struct
{
__IO uint32_t I2CONSET;
__I uint32_t I2STAT;
__IO uint32_t I2DAT;
__IO uint32_t I2ADR0;
__IO uint32_t I2SCLH;
__IO uint32_t I2SCLL;
__O uint32_t I2CONCLR;
__IO uint32_t MMCTRL;
__IO uint32_t I2ADR1;
__IO uint32_t I2ADR2;
__IO uint32_t I2ADR3;
__I uint32_t I2DATA_BUFFER;
__IO uint32_t I2MASK0;
__IO uint32_t I2MASK1;
__IO uint32_t I2MASK2;
__IO uint32_t I2MASK3;
} LPC_I2C_TypeDef;
/*------------- Inter IC Sound (I2S) -----------------------------------------*/
typedef struct
{
__IO uint32_t I2SDAO;
__IO uint32_t I2SDAI;
__O uint32_t I2STXFIFO;
__I uint32_t I2SRXFIFO;
__I uint32_t I2SSTATE;
__IO uint32_t I2SDMA1;
__IO uint32_t I2SDMA2;
__IO uint32_t I2SIRQ;
__IO uint32_t I2STXRATE;
__IO uint32_t I2SRXRATE;
__IO uint32_t I2STXBITRATE;
__IO uint32_t I2SRXBITRATE;
__IO uint32_t I2STXMODE;
__IO uint32_t I2SRXMODE;
} LPC_I2S_TypeDef;
/*------------- Repetitive Interrupt Timer (RIT) -----------------------------*/
typedef struct
{
__IO uint32_t RICOMPVAL;
__IO uint32_t RIMASK;
__IO uint8_t RICTRL;
uint8_t RESERVED0[3];
__IO uint32_t RICOUNTER;
} LPC_RIT_TypeDef;
/*------------- Real-Time Clock (RTC) ----------------------------------------*/
typedef struct
{
__IO uint8_t ILR;
uint8_t RESERVED0[7];
__IO uint8_t CCR;
uint8_t RESERVED1[3];
__IO uint8_t CIIR;
uint8_t RESERVED2[3];
__IO uint8_t AMR;
uint8_t RESERVED3[3];
__I uint32_t CTIME0;
__I uint32_t CTIME1;
__I uint32_t CTIME2;
__IO uint8_t SEC;
uint8_t RESERVED4[3];
__IO uint8_t MIN;
uint8_t RESERVED5[3];
__IO uint8_t HOUR;
uint8_t RESERVED6[3];
__IO uint8_t DOM;
uint8_t RESERVED7[3];
__IO uint8_t DOW;
uint8_t RESERVED8[3];
__IO uint16_t DOY;
uint16_t RESERVED9;
__IO uint8_t MONTH;
uint8_t RESERVED10[3];
__IO uint16_t YEAR;
uint16_t RESERVED11;
__IO uint32_t CALIBRATION;
__IO uint32_t GPREG0;
__IO uint32_t GPREG1;
__IO uint32_t GPREG2;
__IO uint32_t GPREG3;
__IO uint32_t GPREG4;
__IO uint8_t RTC_AUXEN;
uint8_t RESERVED12[3];
__IO uint8_t RTC_AUX;
uint8_t RESERVED13[3];
__IO uint8_t ALSEC;
uint8_t RESERVED14[3];
__IO uint8_t ALMIN;
uint8_t RESERVED15[3];
__IO uint8_t ALHOUR;
uint8_t RESERVED16[3];
__IO uint8_t ALDOM;
uint8_t RESERVED17[3];
__IO uint8_t ALDOW;
uint8_t RESERVED18[3];
__IO uint16_t ALDOY;
uint16_t RESERVED19;
__IO uint8_t ALMON;
uint8_t RESERVED20[3];
__IO uint16_t ALYEAR;
uint16_t RESERVED21;
} LPC_RTC_TypeDef;
/*------------- Watchdog Timer (WDT) -----------------------------------------*/
typedef struct
{
__IO uint8_t WDMOD;
uint8_t RESERVED0[3];
__IO uint32_t WDTC;
__O uint8_t WDFEED;
uint8_t RESERVED1[3];
__I uint32_t WDTV;
__IO uint32_t WDCLKSEL;
} LPC_WDT_TypeDef;
/*------------- Analog-to-Digital Converter (ADC) ----------------------------*/
typedef struct
{
__IO uint32_t ADCR;
__IO uint32_t ADGDR;
uint32_t RESERVED0;
__IO uint32_t ADINTEN;
__I uint32_t ADDR0;
__I uint32_t ADDR1;
__I uint32_t ADDR2;
__I uint32_t ADDR3;
__I uint32_t ADDR4;
__I uint32_t ADDR5;
__I uint32_t ADDR6;
__I uint32_t ADDR7;
__I uint32_t ADSTAT;
__IO uint32_t ADTRM;
} LPC_ADC_TypeDef;
/*------------- Digital-to-Analog Converter (DAC) ----------------------------*/
typedef struct
{
__IO uint32_t DACR;
__IO uint32_t DACCTRL;
__IO uint16_t DACCNTVAL;
} LPC_DAC_TypeDef;
/*------------- Motor Control Pulse-Width Modulation (MCPWM) -----------------*/
typedef struct
{
__I uint32_t MCCON;
__O uint32_t MCCON_SET;
__O uint32_t MCCON_CLR;
__I uint32_t MCCAPCON;
__O uint32_t MCCAPCON_SET;
__O uint32_t MCCAPCON_CLR;
__IO uint32_t MCTIM0;
__IO uint32_t MCTIM1;
__IO uint32_t MCTIM2;
__IO uint32_t MCPER0;
__IO uint32_t MCPER1;
__IO uint32_t MCPER2;
__IO uint32_t MCPW0;
__IO uint32_t MCPW1;
__IO uint32_t MCPW2;
__IO uint32_t MCDEADTIME;
__IO uint32_t MCCCP;
__IO uint32_t MCCR0;
__IO uint32_t MCCR1;
__IO uint32_t MCCR2;
__I uint32_t MCINTEN;
__O uint32_t MCINTEN_SET;
__O uint32_t MCINTEN_CLR;
__I uint32_t MCCNTCON;
__O uint32_t MCCNTCON_SET;
__O uint32_t MCCNTCON_CLR;
__I uint32_t MCINTFLAG;
__O uint32_t MCINTFLAG_SET;
__O uint32_t MCINTFLAG_CLR;
__O uint32_t MCCAP_CLR;
} LPC_MCPWM_TypeDef;
/*------------- Quadrature Encoder Interface (QEI) ---------------------------*/
typedef struct
{
__O uint32_t QEICON;
__I uint32_t QEISTAT;
__IO uint32_t QEICONF;
__I uint32_t QEIPOS;
__IO uint32_t QEIMAXPOS;
__IO uint32_t CMPOS0;
__IO uint32_t CMPOS1;
__IO uint32_t CMPOS2;
__I uint32_t INXCNT;
__IO uint32_t INXCMP;
__IO uint32_t QEILOAD;
__I uint32_t QEITIME;
__I uint32_t QEIVEL;
__I uint32_t QEICAP;
__IO uint32_t VELCOMP;
__IO uint32_t FILTER;
uint32_t RESERVED0[998];
__O uint32_t QEIIEC;
__O uint32_t QEIIES;
__I uint32_t QEIINTSTAT;
__I uint32_t QEIIE;
__O uint32_t QEICLR;
__O uint32_t QEISET;
} LPC_QEI_TypeDef;
/*------------- Controller Area Network (CAN) --------------------------------*/
typedef struct
{
__IO uint32_t mask[512]; /* ID Masks */
} LPC_CANAF_RAM_TypeDef;
typedef struct /* Acceptance Filter Registers */
{
__IO uint32_t AFMR;
__IO uint32_t SFF_sa;
__IO uint32_t SFF_GRP_sa;
__IO uint32_t EFF_sa;
__IO uint32_t EFF_GRP_sa;
__IO uint32_t ENDofTable;
__I uint32_t LUTerrAd;
__I uint32_t LUTerr;
__IO uint32_t FCANIE;
__IO uint32_t FCANIC0;
__IO uint32_t FCANIC1;
} LPC_CANAF_TypeDef;
typedef struct /* Central Registers */
{
__I uint32_t CANTxSR;
__I uint32_t CANRxSR;
__I uint32_t CANMSR;
} LPC_CANCR_TypeDef;
typedef struct /* Controller Registers */
{
__IO uint32_t MOD;
__O uint32_t CMR;
__IO uint32_t GSR;
__I uint32_t ICR;
__IO uint32_t IER;
__IO uint32_t BTR;
__IO uint32_t EWL;
__I uint32_t SR;
__IO uint32_t RFS;
__IO uint32_t RID;
__IO uint32_t RDA;
__IO uint32_t RDB;
__IO uint32_t TFI1;
__IO uint32_t TID1;
__IO uint32_t TDA1;
__IO uint32_t TDB1;
__IO uint32_t TFI2;
__IO uint32_t TID2;
__IO uint32_t TDA2;
__IO uint32_t TDB2;
__IO uint32_t TFI3;
__IO uint32_t TID3;
__IO uint32_t TDA3;
__IO uint32_t TDB3;
} LPC_CAN_TypeDef;
/*------------- General Purpose Direct Memory Access (GPDMA) -----------------*/
typedef struct /* Common Registers */
{
__I uint32_t DMACIntStat;
__I uint32_t DMACIntTCStat;
__O uint32_t DMACIntTCClear;
__I uint32_t DMACIntErrStat;
__O uint32_t DMACIntErrClr;
__I uint32_t DMACRawIntTCStat;
__I uint32_t DMACRawIntErrStat;
__I uint32_t DMACEnbldChns;
__IO uint32_t DMACSoftBReq;
__IO uint32_t DMACSoftSReq;
__IO uint32_t DMACSoftLBReq;
__IO uint32_t DMACSoftLSReq;
__IO uint32_t DMACConfig;
__IO uint32_t DMACSync;
} LPC_GPDMA_TypeDef;
typedef struct /* Channel Registers */
{
__IO uint32_t DMACCSrcAddr;
__IO uint32_t DMACCDestAddr;
__IO uint32_t DMACCLLI;
__IO uint32_t DMACCControl;
__IO uint32_t DMACCConfig;
} LPC_GPDMACH_TypeDef;
/*------------- Universal Serial Bus (USB) -----------------------------------*/
typedef struct
{
__I uint32_t HcRevision; /* USB Host Registers */
__IO uint32_t HcControl;
__IO uint32_t HcCommandStatus;
__IO uint32_t HcInterruptStatus;
__IO uint32_t HcInterruptEnable;
__IO uint32_t HcInterruptDisable;
__IO uint32_t HcHCCA;
__I uint32_t HcPeriodCurrentED;
__IO uint32_t HcControlHeadED;
__IO uint32_t HcControlCurrentED;
__IO uint32_t HcBulkHeadED;
__IO uint32_t HcBulkCurrentED;
__I uint32_t HcDoneHead;
__IO uint32_t HcFmInterval;
__I uint32_t HcFmRemaining;
__I uint32_t HcFmNumber;
__IO uint32_t HcPeriodicStart;
__IO uint32_t HcLSTreshold;
__IO uint32_t HcRhDescriptorA;
__IO uint32_t HcRhDescriptorB;
__IO uint32_t HcRhStatus;
__IO uint32_t HcRhPortStatus1;
__IO uint32_t HcRhPortStatus2;
uint32_t RESERVED0[40];
__I uint32_t Module_ID;
__I uint32_t OTGIntSt; /* USB On-The-Go Registers */
__IO uint32_t OTGIntEn;
__O uint32_t OTGIntSet;
__O uint32_t OTGIntClr;
__IO uint32_t OTGStCtrl;
__IO uint32_t OTGTmr;
uint32_t RESERVED1[58];
__I uint32_t USBDevIntSt; /* USB Device Interrupt Registers */
__IO uint32_t USBDevIntEn;
__O uint32_t USBDevIntClr;
__O uint32_t USBDevIntSet;
__O uint32_t USBCmdCode; /* USB Device SIE Command Registers */
__I uint32_t USBCmdData;
__I uint32_t USBRxData; /* USB Device Transfer Registers */
__O uint32_t USBTxData;
__I uint32_t USBRxPLen;
__O uint32_t USBTxPLen;
__IO uint32_t USBCtrl;
__O uint32_t USBDevIntPri;
__I uint32_t USBEpIntSt; /* USB Device Endpoint Interrupt Regs */
__IO uint32_t USBEpIntEn;
__O uint32_t USBEpIntClr;
__O uint32_t USBEpIntSet;
__O uint32_t USBEpIntPri;
__IO uint32_t USBReEp; /* USB Device Endpoint Realization Reg*/
__O uint32_t USBEpInd;
__IO uint32_t USBMaxPSize;
__I uint32_t USBDMARSt; /* USB Device DMA Registers */
__O uint32_t USBDMARClr;
__O uint32_t USBDMARSet;
uint32_t RESERVED2[9];
__IO uint32_t USBUDCAH;
__I uint32_t USBEpDMASt;
__O uint32_t USBEpDMAEn;
__O uint32_t USBEpDMADis;
__I uint32_t USBDMAIntSt;
__IO uint32_t USBDMAIntEn;
uint32_t RESERVED3[2];
__I uint32_t USBEoTIntSt;
__O uint32_t USBEoTIntClr;
__O uint32_t USBEoTIntSet;
__I uint32_t USBNDDRIntSt;
__O uint32_t USBNDDRIntClr;
__O uint32_t USBNDDRIntSet;
__I uint32_t USBSysErrIntSt;
__O uint32_t USBSysErrIntClr;
__O uint32_t USBSysErrIntSet;
uint32_t RESERVED4[15];
union {
__I uint32_t I2C_RX; /* USB OTG I2C Registers */
__O uint32_t I2C_WO;
};
__I uint32_t I2C_STS;
__IO uint32_t I2C_CTL;
__IO uint32_t I2C_CLKHI;
__O uint32_t I2C_CLKLO;
uint32_t RESERVED5[824];
union {
__IO uint32_t USBClkCtrl; /* USB Clock Control Registers */
__IO uint32_t OTGClkCtrl;
};
union {
__I uint32_t USBClkSt;
__I uint32_t OTGClkSt;
};
} LPC_USB_TypeDef;
/*------------- Ethernet Media Access Controller (EMAC) ----------------------*/
typedef struct
{
__IO uint32_t MAC1; /* MAC Registers */
__IO uint32_t MAC2;
__IO uint32_t IPGT;
__IO uint32_t IPGR;
__IO uint32_t CLRT;
__IO uint32_t MAXF;
__IO uint32_t SUPP;
__IO uint32_t TEST;
__IO uint32_t MCFG;
__IO uint32_t MCMD;
__IO uint32_t MADR;
__O uint32_t MWTD;
__I uint32_t MRDD;
__I uint32_t MIND;
uint32_t RESERVED0[2];
__IO uint32_t SA0;
__IO uint32_t SA1;
__IO uint32_t SA2;
uint32_t RESERVED1[45];
__IO uint32_t Command; /* Control Registers */
__I uint32_t Status;
__IO uint32_t RxDescriptor;
__IO uint32_t RxStatus;
__IO uint32_t RxDescriptorNumber;
__I uint32_t RxProduceIndex;
__IO uint32_t RxConsumeIndex;
__IO uint32_t TxDescriptor;
__IO uint32_t TxStatus;
__IO uint32_t TxDescriptorNumber;
__IO uint32_t TxProduceIndex;
__I uint32_t TxConsumeIndex;
uint32_t RESERVED2[10];
__I uint32_t TSV0;
__I uint32_t TSV1;
__I uint32_t RSV;
uint32_t RESERVED3[3];
__IO uint32_t FlowControlCounter;
__I uint32_t FlowControlStatus;
uint32_t RESERVED4[34];
__IO uint32_t RxFilterCtrl; /* Rx Filter Registers */
__IO uint32_t RxFilterWoLStatus;
__IO uint32_t RxFilterWoLClear;
uint32_t RESERVED5;
__IO uint32_t HashFilterL;
__IO uint32_t HashFilterH;
uint32_t RESERVED6[882];
__I uint32_t IntStatus; /* Module Control Registers */
__IO uint32_t IntEnable;
__O uint32_t IntClear;
__O uint32_t IntSet;
uint32_t RESERVED7;
__IO uint32_t PowerDown;
uint32_t RESERVED8;
__IO uint32_t Module_ID;
} LPC_EMAC_TypeDef;
#pragma no_anon_unions
/******************************************************************************/
/* Peripheral memory map */
/******************************************************************************/
/* Base addresses */
#define LPC_FLASH_BASE (0x00000000UL)
#define LPC_RAM_BASE (0x10000000UL)
#define LPC_GPIO_BASE (0x2009C000UL)
#define LPC_APB0_BASE (0x40000000UL)
#define LPC_APB1_BASE (0x40080000UL)
#define LPC_AHB_BASE (0x50000000UL)
#define LPC_CM3_BASE (0xE0000000UL)
/* APB0 peripherals */
#define LPC_WDT_BASE (LPC_APB0_BASE + 0x00000)
#define LPC_TIM0_BASE (LPC_APB0_BASE + 0x04000)
#define LPC_TIM1_BASE (LPC_APB0_BASE + 0x08000)
#define LPC_UART0_BASE (LPC_APB0_BASE + 0x0C000)
#define LPC_UART1_BASE (LPC_APB0_BASE + 0x10000)
#define LPC_PWM1_BASE (LPC_APB0_BASE + 0x18000)
#define LPC_I2C0_BASE (LPC_APB0_BASE + 0x1C000)
#define LPC_SPI_BASE (LPC_APB0_BASE + 0x20000)
#define LPC_RTC_BASE (LPC_APB0_BASE + 0x24000)
#define LPC_GPIOINT_BASE (LPC_APB0_BASE + 0x28080)
#define LPC_PINCON_BASE (LPC_APB0_BASE + 0x2C000)
#define LPC_SSP1_BASE (LPC_APB0_BASE + 0x30000)
#define LPC_ADC_BASE (LPC_APB0_BASE + 0x34000)
#define LPC_CANAF_RAM_BASE (LPC_APB0_BASE + 0x38000)
#define LPC_CANAF_BASE (LPC_APB0_BASE + 0x3C000)
#define LPC_CANCR_BASE (LPC_APB0_BASE + 0x40000)
#define LPC_CAN1_BASE (LPC_APB0_BASE + 0x44000)
#define LPC_CAN2_BASE (LPC_APB0_BASE + 0x48000)
#define LPC_I2C1_BASE (LPC_APB0_BASE + 0x5C000)
/* APB1 peripherals */
#define LPC_SSP0_BASE (LPC_APB1_BASE + 0x08000)
#define LPC_DAC_BASE (LPC_APB1_BASE + 0x0C000)
#define LPC_TIM2_BASE (LPC_APB1_BASE + 0x10000)
#define LPC_TIM3_BASE (LPC_APB1_BASE + 0x14000)
#define LPC_UART2_BASE (LPC_APB1_BASE + 0x18000)
#define LPC_UART3_BASE (LPC_APB1_BASE + 0x1C000)
#define LPC_I2C2_BASE (LPC_APB1_BASE + 0x20000)
#define LPC_I2S_BASE (LPC_APB1_BASE + 0x28000)
#define LPC_RIT_BASE (LPC_APB1_BASE + 0x30000)
#define LPC_MCPWM_BASE (LPC_APB1_BASE + 0x38000)
#define LPC_QEI_BASE (LPC_APB1_BASE + 0x3C000)
#define LPC_SC_BASE (LPC_APB1_BASE + 0x7C000)
/* AHB peripherals */
#define LPC_EMAC_BASE (LPC_AHB_BASE + 0x00000)
#define LPC_GPDMA_BASE (LPC_AHB_BASE + 0x04000)
#define LPC_GPDMACH0_BASE (LPC_AHB_BASE + 0x04100)
#define LPC_GPDMACH1_BASE (LPC_AHB_BASE + 0x04120)
#define LPC_GPDMACH2_BASE (LPC_AHB_BASE + 0x04140)
#define LPC_GPDMACH3_BASE (LPC_AHB_BASE + 0x04160)
#define LPC_GPDMACH4_BASE (LPC_AHB_BASE + 0x04180)
#define LPC_GPDMACH5_BASE (LPC_AHB_BASE + 0x041A0)
#define LPC_GPDMACH6_BASE (LPC_AHB_BASE + 0x041C0)
#define LPC_GPDMACH7_BASE (LPC_AHB_BASE + 0x041E0)
#define LPC_USB_BASE (LPC_AHB_BASE + 0x0C000)
/* GPIOs */
#define LPC_GPIO0_BASE (LPC_GPIO_BASE + 0x00000)
#define LPC_GPIO1_BASE (LPC_GPIO_BASE + 0x00020)
#define LPC_GPIO2_BASE (LPC_GPIO_BASE + 0x00040)
#define LPC_GPIO3_BASE (LPC_GPIO_BASE + 0x00060)
#define LPC_GPIO4_BASE (LPC_GPIO_BASE + 0x00080)
/******************************************************************************/
/* Peripheral declaration */
/******************************************************************************/
#define LPC_SC ((LPC_SC_TypeDef *) LPC_SC_BASE )
#define LPC_GPIO0 ((LPC_GPIO_TypeDef *) LPC_GPIO0_BASE )
#define LPC_GPIO1 ((LPC_GPIO_TypeDef *) LPC_GPIO1_BASE )
#define LPC_GPIO2 ((LPC_GPIO_TypeDef *) LPC_GPIO2_BASE )
#define LPC_GPIO3 ((LPC_GPIO_TypeDef *) LPC_GPIO3_BASE )
#define LPC_GPIO4 ((LPC_GPIO_TypeDef *) LPC_GPIO4_BASE )
#define LPC_WDT ((LPC_WDT_TypeDef *) LPC_WDT_BASE )
#define LPC_TIM0 ((LPC_TIM_TypeDef *) LPC_TIM0_BASE )
#define LPC_TIM1 ((LPC_TIM_TypeDef *) LPC_TIM1_BASE )
#define LPC_TIM2 ((LPC_TIM_TypeDef *) LPC_TIM2_BASE )
#define LPC_TIM3 ((LPC_TIM_TypeDef *) LPC_TIM3_BASE )
#define LPC_RIT ((LPC_RIT_TypeDef *) LPC_RIT_BASE )
#define LPC_UART0 ((LPC_UART0_TypeDef *) LPC_UART0_BASE )
#define LPC_UART1 ((LPC_UART1_TypeDef *) LPC_UART1_BASE )
#define LPC_UART2 ((LPC_UART_TypeDef *) LPC_UART2_BASE )
#define LPC_UART3 ((LPC_UART_TypeDef *) LPC_UART3_BASE )
#define LPC_PWM1 ((LPC_PWM_TypeDef *) LPC_PWM1_BASE )
#define LPC_I2C0 ((LPC_I2C_TypeDef *) LPC_I2C0_BASE )
#define LPC_I2C1 ((LPC_I2C_TypeDef *) LPC_I2C1_BASE )
#define LPC_I2C2 ((LPC_I2C_TypeDef *) LPC_I2C2_BASE )
#define LPC_I2S ((LPC_I2S_TypeDef *) LPC_I2S_BASE )
#define LPC_SPI ((LPC_SPI_TypeDef *) LPC_SPI_BASE )
#define LPC_RTC ((LPC_RTC_TypeDef *) LPC_RTC_BASE )
#define LPC_GPIOINT ((LPC_GPIOINT_TypeDef *) LPC_GPIOINT_BASE )
#define LPC_PINCON ((LPC_PINCON_TypeDef *) LPC_PINCON_BASE )
#define LPC_SSP0 ((LPC_SSP_TypeDef *) LPC_SSP0_BASE )
#define LPC_SSP1 ((LPC_SSP_TypeDef *) LPC_SSP1_BASE )
#define LPC_ADC ((LPC_ADC_TypeDef *) LPC_ADC_BASE )
#define LPC_DAC ((LPC_DAC_TypeDef *) LPC_DAC_BASE )
#define LPC_CANAF_RAM ((LPC_CANAF_RAM_TypeDef *) LPC_CANAF_RAM_BASE)
#define LPC_CANAF ((LPC_CANAF_TypeDef *) LPC_CANAF_BASE )
#define LPC_CANCR ((LPC_CANCR_TypeDef *) LPC_CANCR_BASE )
#define LPC_CAN1 ((LPC_CAN_TypeDef *) LPC_CAN1_BASE )
#define LPC_CAN2 ((LPC_CAN_TypeDef *) LPC_CAN2_BASE )
#define LPC_MCPWM ((LPC_MCPWM_TypeDef *) LPC_MCPWM_BASE )
#define LPC_QEI ((LPC_QEI_TypeDef *) LPC_QEI_BASE )
#define LPC_EMAC ((LPC_EMAC_TypeDef *) LPC_EMAC_BASE )
#define LPC_GPDMA ((LPC_GPDMA_TypeDef *) LPC_GPDMA_BASE )
#define LPC_GPDMACH0 ((LPC_GPDMACH_TypeDef *) LPC_GPDMACH0_BASE )
#define LPC_GPDMACH1 ((LPC_GPDMACH_TypeDef *) LPC_GPDMACH1_BASE )
#define LPC_GPDMACH2 ((LPC_GPDMACH_TypeDef *) LPC_GPDMACH2_BASE )
#define LPC_GPDMACH3 ((LPC_GPDMACH_TypeDef *) LPC_GPDMACH3_BASE )
#define LPC_GPDMACH4 ((LPC_GPDMACH_TypeDef *) LPC_GPDMACH4_BASE )
#define LPC_GPDMACH5 ((LPC_GPDMACH_TypeDef *) LPC_GPDMACH5_BASE )
#define LPC_GPDMACH6 ((LPC_GPDMACH_TypeDef *) LPC_GPDMACH6_BASE )
#define LPC_GPDMACH7 ((LPC_GPDMACH_TypeDef *) LPC_GPDMACH7_BASE )
#define LPC_USB ((LPC_USB_TypeDef *) LPC_USB_BASE )
#endif // __LPC17xx_H__
/******************************************************************************
* @file: core_cm3.c
* @purpose: CMSIS Cortex-M3 Core Peripheral Access Layer Source File
* @version: V1.20
* @date: 22. May 2009
*----------------------------------------------------------------------------
*
* Copyright (C) 2009 ARM Limited. All rights reserved.
*
* ARM Limited (ARM) is supplying this software for use with Cortex-Mx
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#include <stdint.h>
/* define compiler specific symbols */
#if defined ( __CC_ARM )
#define __ASM __asm /*!< asm keyword for armcc */
#define __INLINE __inline /*!< inline keyword for armcc */
#elif defined ( __ICCARM__ )
#define __ASM __asm /*!< asm keyword for iarcc */
#define __INLINE inline /*!< inline keyword for iarcc. Only avaiable in High optimization mode! */
#elif defined ( __GNUC__ )
#define __ASM __asm /*!< asm keyword for gcc */
#define __INLINE inline /*!< inline keyword for gcc */
#elif defined ( __TASKING__ )
#define __ASM __asm /*!< asm keyword for TASKING Compiler */
#define __INLINE inline /*!< inline keyword for TASKING Compiler */
#endif
#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
/**
* @brief Return the Process Stack Pointer
*
* @param none
* @return uint32_t ProcessStackPointer
*
* Return the actual process stack pointer
*/
__ASM uint32_t __get_PSP(void)
{
mrs r0, psp
bx lr
}
/**
* @brief Set the Process Stack Pointer
*
* @param uint32_t Process Stack Pointer
* @return none
*
* Assign the value ProcessStackPointer to the MSP
* (process stack pointer) Cortex processor register
*/
__ASM void __set_PSP(uint32_t topOfProcStack)
{
msr psp, r0
bx lr
}
/**
* @brief Return the Main Stack Pointer
*
* @param none
* @return uint32_t Main Stack Pointer
*
* Return the current value of the MSP (main stack pointer)
* Cortex processor register
*/
__ASM uint32_t __get_MSP(void)
{
mrs r0, msp
bx lr
}
/**
* @brief Set the Main Stack Pointer
*
* @param uint32_t Main Stack Pointer
* @return none
*
* Assign the value mainStackPointer to the MSP
* (main stack pointer) Cortex processor register
*/
__ASM void __set_MSP(uint32_t mainStackPointer)
{
msr msp, r0
bx lr
}
/**
* @brief Reverse byte order in unsigned short value
*
* @param uint16_t value to reverse
* @return uint32_t reversed value
*
* Reverse byte order in unsigned short value
*/
__ASM uint32_t __REV16(uint16_t value)
{
rev16 r0, r0
bx lr
}
/**
* @brief Reverse byte order in signed short value with sign extension to integer
*
* @param int16_t value to reverse
* @return int32_t reversed value
*
* Reverse byte order in signed short value with sign extension to integer
*/
__ASM int32_t __REVSH(int16_t value)
{
revsh r0, r0
bx lr
}
#if (__ARMCC_VERSION < 400000)
/**
* @brief Remove the exclusive lock created by ldrex
*
* @param none
* @return none
*
* Removes the exclusive lock which is created by ldrex.
*/
__ASM void __CLREX(void)
{
clrex
}
/**
* @brief Return the Base Priority value
*
* @param none
* @return uint32_t BasePriority
*
* Return the content of the base priority register
*/
__ASM uint32_t __get_BASEPRI(void)
{
mrs r0, basepri
bx lr
}
/**
* @brief Set the Base Priority value
*
* @param uint32_t BasePriority
* @return none
*
* Set the base priority register
*/
__ASM void __set_BASEPRI(uint32_t basePri)
{
msr basepri, r0
bx lr
}
/**
* @brief Return the Priority Mask value
*
* @param none
* @return uint32_t PriMask
*
* Return the state of the priority mask bit from the priority mask
* register
*/
__ASM uint32_t __get_PRIMASK(void)
{
mrs r0, primask
bx lr
}
/**
* @brief Set the Priority Mask value
*
* @param uint32_t PriMask
* @return none
*
* Set the priority mask bit in the priority mask register
*/
__ASM void __set_PRIMASK(uint32_t priMask)
{
msr primask, r0
bx lr
}
/**
* @brief Return the Fault Mask value
*
* @param none
* @return uint32_t FaultMask
*
* Return the content of the fault mask register
*/
__ASM uint32_t __get_FAULTMASK(void)
{
mrs r0, faultmask
bx lr
}
/**
* @brief Set the Fault Mask value
*
* @param uint32_t faultMask value
* @return none
*
* Set the fault mask register
*/
__ASM void __set_FAULTMASK(uint32_t faultMask)
{
msr faultmask, r0
bx lr
}
/**
* @brief Return the Control Register value
*
* @param none
* @return uint32_t Control value
*
* Return the content of the control register
*/
__ASM uint32_t __get_CONTROL(void)
{
mrs r0, control
bx lr
}
/**
* @brief Set the Control Register value
*
* @param uint32_t Control value
* @return none
*
* Set the control register
*/
__ASM void __set_CONTROL(uint32_t control)
{
msr control, r0
bx lr
}
#endif /* __ARMCC_VERSION */
#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
#pragma diag_suppress=Pe940
/**
* @brief Return the Process Stack Pointer
*
* @param none
* @return uint32_t ProcessStackPointer
*
* Return the actual process stack pointer
*/
uint32_t __get_PSP(void)
{
__ASM("mrs r0, psp");
__ASM("bx lr");
}
/**
* @brief Set the Process Stack Pointer
*
* @param uint32_t Process Stack Pointer
* @return none
*
* Assign the value ProcessStackPointer to the MSP
* (process stack pointer) Cortex processor register
*/
void __set_PSP(uint32_t topOfProcStack)
{
__ASM("msr psp, r0");
__ASM("bx lr");
}
/**
* @brief Return the Main Stack Pointer
*
* @param none
* @return uint32_t Main Stack Pointer
*
* Return the current value of the MSP (main stack pointer)
* Cortex processor register
*/
uint32_t __get_MSP(void)
{
__ASM("mrs r0, msp");
__ASM("bx lr");
}
/**
* @brief Set the Main Stack Pointer
*
* @param uint32_t Main Stack Pointer
* @return none
*
* Assign the value mainStackPointer to the MSP
* (main stack pointer) Cortex processor register
*/
void __set_MSP(uint32_t topOfMainStack)
{
__ASM("msr msp, r0");
__ASM("bx lr");
}
/**
* @brief Reverse byte order in unsigned short value
*
* @param uint16_t value to reverse
* @return uint32_t reversed value
*
* Reverse byte order in unsigned short value
*/
uint32_t __REV16(uint16_t value)
{
__ASM("rev16 r0, r0");
__ASM("bx lr");
}
/**
* @brief Reverse bit order of value
*
* @param uint32_t value to reverse
* @return uint32_t reversed value
*
* Reverse bit order of value
*/
uint32_t __RBIT(uint32_t value)
{
__ASM("rbit r0, r0");
__ASM("bx lr");
}
/**
* @brief LDR Exclusive
*
* @param uint8_t* address
* @return uint8_t value of (*address)
*
* Exclusive LDR command
*/
uint8_t __LDREXB(uint8_t *addr)
{
__ASM("ldrexb r0, [r0]");
__ASM("bx lr");
}
/**
* @brief LDR Exclusive
*
* @param uint16_t* address
* @return uint16_t value of (*address)
*
* Exclusive LDR command
*/
uint16_t __LDREXH(uint16_t *addr)
{
__ASM("ldrexh r0, [r0]");
__ASM("bx lr");
}
/**
* @brief LDR Exclusive
*
* @param uint32_t* address
* @return uint32_t value of (*address)
*
* Exclusive LDR command
*/
uint32_t __LDREXW(uint32_t *addr)
{
__ASM("ldrex r0, [r0]");
__ASM("bx lr");
}
/**
* @brief STR Exclusive
*
* @param uint8_t *address
* @param uint8_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
uint32_t __STREXB(uint8_t value, uint8_t *addr)
{
__ASM("strexb r0, r0, [r1]");
__ASM("bx lr");
}
/**
* @brief STR Exclusive
*
* @param uint16_t *address
* @param uint16_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
uint32_t __STREXH(uint16_t value, uint16_t *addr)
{
__ASM("strexh r0, r0, [r1]");
__ASM("bx lr");
}
/**
* @brief STR Exclusive
*
* @param uint32_t *address
* @param uint32_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
uint32_t __STREXW(uint32_t value, uint32_t *addr)
{
__ASM("strex r0, r0, [r1]");
__ASM("bx lr");
}
#pragma diag_default=Pe940
#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
/**
* @brief Return the Process Stack Pointer
*
* @param none
* @return uint32_t ProcessStackPointer
*
* Return the actual process stack pointer
*/
uint32_t __get_PSP(void) __attribute__( ( naked ) );
uint32_t __get_PSP(void)
{
uint32_t result=0;
__ASM volatile ("MRS %0, psp\n\t"
"MOV r0, %0 \n\t"
"BX lr \n\t" : "=r" (result) );
return(result);
}
/**
* @brief Set the Process Stack Pointer
*
* @param uint32_t Process Stack Pointer
* @return none
*
* Assign the value ProcessStackPointer to the MSP
* (process stack pointer) Cortex processor register
*/
void __set_PSP(uint32_t topOfProcStack) __attribute__( ( naked ) );
void __set_PSP(uint32_t topOfProcStack)
{
__ASM volatile ("MSR psp, %0\n\t"
"BX lr \n\t" : : "r" (topOfProcStack) );
}
/**
* @brief Return the Main Stack Pointer
*
* @param none
* @return uint32_t Main Stack Pointer
*
* Return the current value of the MSP (main stack pointer)
* Cortex processor register
*/
uint32_t __get_MSP(void) __attribute__( ( naked ) );
uint32_t __get_MSP(void)
{
uint32_t result=0;
__ASM volatile ("MRS %0, msp\n\t"
"MOV r0, %0 \n\t"
"BX lr \n\t" : "=r" (result) );
return(result);
}
/**
* @brief Set the Main Stack Pointer
*
* @param uint32_t Main Stack Pointer
* @return none
*
* Assign the value mainStackPointer to the MSP
* (main stack pointer) Cortex processor register
*/
void __set_MSP(uint32_t topOfMainStack) __attribute__( ( naked ) );
void __set_MSP(uint32_t topOfMainStack)
{
__ASM volatile ("MSR msp, %0\n\t"
"BX lr \n\t" : : "r" (topOfMainStack) );
}
/**
* @brief Return the Base Priority value
*
* @param none
* @return uint32_t BasePriority
*
* Return the content of the base priority register
*/
uint32_t __get_BASEPRI(void)
{
uint32_t result=0;
__ASM volatile ("MRS %0, basepri_max" : "=r" (result) );
return(result);
}
/**
* @brief Set the Base Priority value
*
* @param uint32_t BasePriority
* @return none
*
* Set the base priority register
*/
void __set_BASEPRI(uint32_t value)
{
__ASM volatile ("MSR basepri, %0" : : "r" (value) );
}
/**
* @brief Return the Priority Mask value
*
* @param none
* @return uint32_t PriMask
*
* Return the state of the priority mask bit from the priority mask
* register
*/
uint32_t __get_PRIMASK(void)
{
uint32_t result=0;
__ASM volatile ("MRS %0, primask" : "=r" (result) );
return(result);
}
/**
* @brief Set the Priority Mask value
*
* @param uint32_t PriMask
* @return none
*
* Set the priority mask bit in the priority mask register
*/
void __set_PRIMASK(uint32_t priMask)
{
__ASM volatile ("MSR primask, %0" : : "r" (priMask) );
}
/**
* @brief Return the Fault Mask value
*
* @param none
* @return uint32_t FaultMask
*
* Return the content of the fault mask register
*/
uint32_t __get_FAULTMASK(void)
{
uint32_t result=0;
__ASM volatile ("MRS %0, faultmask" : "=r" (result) );
return(result);
}
/**
* @brief Set the Fault Mask value
*
* @param uint32_t faultMask value
* @return none
*
* Set the fault mask register
*/
void __set_FAULTMASK(uint32_t faultMask)
{
__ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) );
}
/**
* @brief Reverse byte order in integer value
*
* @param uint32_t value to reverse
* @return uint32_t reversed value
*
* Reverse byte order in integer value
*/
uint32_t __REV(uint32_t value)
{
uint32_t result=0;
__ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
return(result);
}
/**
* @brief Reverse byte order in unsigned short value
*
* @param uint16_t value to reverse
* @return uint32_t reversed value
*
* Reverse byte order in unsigned short value
*/
uint32_t __REV16(uint16_t value)
{
uint32_t result=0;
__ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
return(result);
}
/**
* @brief Reverse byte order in signed short value with sign extension to integer
*
* @param int32_t value to reverse
* @return int32_t reversed value
*
* Reverse byte order in signed short value with sign extension to integer
*/
int32_t __REVSH(int16_t value)
{
uint32_t result=0;
__ASM volatile ("revsh %0, %1" : "=r" (result) : "r" (value) );
return(result);
}
/**
* @brief Reverse bit order of value
*
* @param uint32_t value to reverse
* @return uint32_t reversed value
*
* Reverse bit order of value
*/
uint32_t __RBIT(uint32_t value)
{
uint32_t result=0;
__ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) );
return(result);
}
/**
* @brief LDR Exclusive
*
* @param uint8_t* address
* @return uint8_t value of (*address)
*
* Exclusive LDR command
*/
uint8_t __LDREXB(uint8_t *addr)
{
uint8_t result=0;
__ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) );
return(result);
}
/**
* @brief LDR Exclusive
*
* @param uint16_t* address
* @return uint16_t value of (*address)
*
* Exclusive LDR command
*/
uint16_t __LDREXH(uint16_t *addr)
{
uint16_t result=0;
__ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) );
return(result);
}
/**
* @brief LDR Exclusive
*
* @param uint32_t* address
* @return uint32_t value of (*address)
*
* Exclusive LDR command
*/
uint32_t __LDREXW(uint32_t *addr)
{
uint32_t result=0;
__ASM volatile ("ldrex %0, [%1]" : "=r" (result) : "r" (addr) );
return(result);
}
/**
* @brief STR Exclusive
*
* @param uint8_t *address
* @param uint8_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
uint32_t __STREXB(uint8_t value, uint8_t *addr)
{
uint32_t result=0;
__ASM volatile ("strexb %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
return(result);
}
/**
* @brief STR Exclusive
*
* @param uint16_t *address
* @param uint16_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
uint32_t __STREXH(uint16_t value, uint16_t *addr)
{
uint32_t result=0;
__ASM volatile ("strexh %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
return(result);
}
/**
* @brief STR Exclusive
*
* @param uint32_t *address
* @param uint32_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
uint32_t __STREXW(uint32_t value, uint32_t *addr)
{
uint32_t result=0;
__ASM volatile ("strex %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
return(result);
}
/**
* @brief Return the Control Register value
*
* @param none
* @return uint32_t Control value
*
* Return the content of the control register
*/
uint32_t __get_CONTROL(void)
{
uint32_t result=0;
__ASM volatile ("MRS %0, control" : "=r" (result) );
return(result);
}
/**
* @brief Set the Control Register value
*
* @param uint32_t Control value
* @return none
*
* Set the control register
*/
void __set_CONTROL(uint32_t control)
{
__ASM volatile ("MSR control, %0" : : "r" (control) );
}
#elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/
/* TASKING carm specific functions */
/*
* The CMSIS functions have been implemented as intrinsics in the compiler.
* Please use "carm -?i" to get an up to date list of all instrinsics,
* Including the CMSIS ones.
*/
#endif
/******************************************************************************
* @file: core_cm3.h
* @purpose: CMSIS Cortex-M3 Core Peripheral Access Layer Header File
* @version: V1.20
* @date: 22. May 2009
*----------------------------------------------------------------------------
*
* Copyright (C) 2009 ARM Limited. All rights reserved.
*
* ARM Limited (ARM) is supplying this software for use with Cortex-Mx
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#ifndef __CM3_CORE_H__
#define __CM3_CORE_H__
#ifdef __cplusplus
extern "C" {
#endif
#define __CM3_CMSIS_VERSION_MAIN (0x01) /*!< [31:16] CMSIS HAL main version */
#define __CM3_CMSIS_VERSION_SUB (0x20) /*!< [15:0] CMSIS HAL sub version */
#define __CM3_CMSIS_VERSION ((__CM3_CMSIS_VERSION_MAIN << 16) | __CM3_CMSIS_VERSION_SUB) /*!< CMSIS HAL version number */
#define __CORTEX_M (0x03) /*!< Cortex core */
/**
* Lint configuration \n
* ----------------------- \n
*
* The following Lint messages will be suppressed and not shown: \n
* \n
* --- Error 10: --- \n
* register uint32_t __regBasePri __asm("basepri"); \n
* Error 10: Expecting ';' \n
* \n
* --- Error 530: --- \n
* return(__regBasePri); \n
* Warning 530: Symbol '__regBasePri' (line 264) not initialized \n
* \n
* --- Error 550: --- \n
* __regBasePri = (basePri & 0x1ff); \n
* } \n
* Warning 550: Symbol '__regBasePri' (line 271) not accessed \n
* \n
* --- Error 754: --- \n
* uint32_t RESERVED0[24]; \n
* Info 754: local structure member '<some, not used in the HAL>' (line 109, file ./cm3_core.h) not referenced \n
* \n
* --- Error 750: --- \n
* #define __CM3_CORE_H__ \n
* Info 750: local macro '__CM3_CORE_H__' (line 43, file./cm3_core.h) not referenced \n
* \n
* --- Error 528: --- \n
* static __INLINE void NVIC_DisableIRQ(uint32_t IRQn) \n
* Warning 528: Symbol 'NVIC_DisableIRQ(unsigned int)' (line 419, file ./cm3_core.h) not referenced \n
* \n
* --- Error 751: --- \n
* } InterruptType_Type; \n
* Info 751: local typedef 'InterruptType_Type' (line 170, file ./cm3_core.h) not referenced \n
* \n
* \n
* Note: To re-enable a Message, insert a space before 'lint' * \n
*
*/
/*lint -save */
/*lint -e10 */
/*lint -e530 */
/*lint -e550 */
/*lint -e754 */
/*lint -e750 */
/*lint -e528 */
/*lint -e751 */
#include <stdint.h> /* Include standard types */
#if defined (__ICCARM__)
#include <intrinsics.h> /* IAR Intrinsics */
#endif
#ifndef __NVIC_PRIO_BITS
#define __NVIC_PRIO_BITS 4 /*!< standard definition for NVIC Priority Bits */
#endif
/**
* IO definitions
*
* define access restrictions to peripheral registers
*/
#ifdef __cplusplus
#define __I volatile /*!< defines 'read only' permissions */
#else
#define __I volatile const /*!< defines 'read only' permissions */
#endif
#define __O volatile /*!< defines 'write only' permissions */
#define __IO volatile /*!< defines 'read / write' permissions */
/*******************************************************************************
* Register Abstraction
******************************************************************************/
/* System Reset */
#define NVIC_VECTRESET 0 /*!< Vector Reset Bit */
#define NVIC_SYSRESETREQ 2 /*!< System Reset Request */
#define NVIC_AIRCR_VECTKEY (0x5FA << 16) /*!< AIRCR Key for write access */
#define NVIC_AIRCR_ENDIANESS 15 /*!< Endianess */
/* Core Debug */
#define CoreDebug_DEMCR_TRCENA (1 << 24) /*!< DEMCR TRCENA enable */
#define ITM_TCR_ITMENA 1 /*!< ITM enable */
/* memory mapping struct for Nested Vectored Interrupt Controller (NVIC) */
typedef struct
{
__IO uint32_t ISER[8]; /*!< Interrupt Set Enable Register */
uint32_t RESERVED0[24];
__IO uint32_t ICER[8]; /*!< Interrupt Clear Enable Register */
uint32_t RSERVED1[24];
__IO uint32_t ISPR[8]; /*!< Interrupt Set Pending Register */
uint32_t RESERVED2[24];
__IO uint32_t ICPR[8]; /*!< Interrupt Clear Pending Register */
uint32_t RESERVED3[24];
__IO uint32_t IABR[8]; /*!< Interrupt Active bit Register */
uint32_t RESERVED4[56];
__IO uint8_t IP[240]; /*!< Interrupt Priority Register, 8Bit wide */
uint32_t RESERVED5[644];
__O uint32_t STIR; /*!< Software Trigger Interrupt Register */
} NVIC_Type;
/* memory mapping struct for System Control Block */
typedef struct
{
__I uint32_t CPUID; /*!< CPU ID Base Register */
__IO uint32_t ICSR; /*!< Interrupt Control State Register */
__IO uint32_t VTOR; /*!< Vector Table Offset Register */
__IO uint32_t AIRCR; /*!< Application Interrupt / Reset Control Register */
__IO uint32_t SCR; /*!< System Control Register */
__IO uint32_t CCR; /*!< Configuration Control Register */
__IO uint8_t SHP[12]; /*!< System Handlers Priority Registers (4-7, 8-11, 12-15) */
__IO uint32_t SHCSR; /*!< System Handler Control and State Register */
__IO uint32_t CFSR; /*!< Configurable Fault Status Register */
__IO uint32_t HFSR; /*!< Hard Fault Status Register */
__IO uint32_t DFSR; /*!< Debug Fault Status Register */
__IO uint32_t MMFAR; /*!< Mem Manage Address Register */
__IO uint32_t BFAR; /*!< Bus Fault Address Register */
__IO uint32_t AFSR; /*!< Auxiliary Fault Status Register */
__I uint32_t PFR[2]; /*!< Processor Feature Register */
__I uint32_t DFR; /*!< Debug Feature Register */
__I uint32_t ADR; /*!< Auxiliary Feature Register */
__I uint32_t MMFR[4]; /*!< Memory Model Feature Register */
__I uint32_t ISAR[5]; /*!< ISA Feature Register */
} SCB_Type;
/* memory mapping struct for SysTick */
typedef struct
{
__IO uint32_t CTRL; /*!< SysTick Control and Status Register */
__IO uint32_t LOAD; /*!< SysTick Reload Value Register */
__IO uint32_t VAL; /*!< SysTick Current Value Register */
__I uint32_t CALIB; /*!< SysTick Calibration Register */
} SysTick_Type;
/* memory mapping structur for ITM */
typedef struct
{
__O union
{
__O uint8_t u8; /*!< ITM Stimulus Port 8-bit */
__O uint16_t u16; /*!< ITM Stimulus Port 16-bit */
__O uint32_t u32; /*!< ITM Stimulus Port 32-bit */
} PORT [32]; /*!< ITM Stimulus Port Registers */
uint32_t RESERVED0[864];
__IO uint32_t TER; /*!< ITM Trace Enable Register */
uint32_t RESERVED1[15];
__IO uint32_t TPR; /*!< ITM Trace Privilege Register */
uint32_t RESERVED2[15];
__IO uint32_t TCR; /*!< ITM Trace Control Register */
uint32_t RESERVED3[29];
__IO uint32_t IWR; /*!< ITM Integration Write Register */
__IO uint32_t IRR; /*!< ITM Integration Read Register */
__IO uint32_t IMCR; /*!< ITM Integration Mode Control Register */
uint32_t RESERVED4[43];
__IO uint32_t LAR; /*!< ITM Lock Access Register */
__IO uint32_t LSR; /*!< ITM Lock Status Register */
uint32_t RESERVED5[6];
__I uint32_t PID4; /*!< ITM Product ID Registers */
__I uint32_t PID5;
__I uint32_t PID6;
__I uint32_t PID7;
__I uint32_t PID0;
__I uint32_t PID1;
__I uint32_t PID2;
__I uint32_t PID3;
__I uint32_t CID0;
__I uint32_t CID1;
__I uint32_t CID2;
__I uint32_t CID3;
} ITM_Type;
/* memory mapped struct for Interrupt Type */
typedef struct
{
uint32_t RESERVED0;
__I uint32_t ICTR; /*!< Interrupt Control Type Register */
#if ((defined __CM3_REV) && (__CM3_REV >= 0x200))
__IO uint32_t ACTLR; /*!< Auxiliary Control Register */
#else
uint32_t RESERVED1;
#endif
} InterruptType_Type;
/* Memory Protection Unit */
#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1)
typedef struct
{
__I uint32_t TYPE; /*!< MPU Type Register */
__IO uint32_t CTRL; /*!< MPU Control Register */
__IO uint32_t RNR; /*!< MPU Region RNRber Register */
__IO uint32_t RBAR; /*!< MPU Region Base Address Register */
__IO uint32_t RASR; /*!< MPU Region Attribute and Size Register */
__IO uint32_t RBAR_A1; /*!< MPU Alias 1 Region Base Address Register */
__IO uint32_t RASR_A1; /*!< MPU Alias 1 Region Attribute and Size Register */
__IO uint32_t RBAR_A2; /*!< MPU Alias 2 Region Base Address Register */
__IO uint32_t RASR_A2; /*!< MPU Alias 2 Region Attribute and Size Register */
__IO uint32_t RBAR_A3; /*!< MPU Alias 3 Region Base Address Register */
__IO uint32_t RASR_A3; /*!< MPU Alias 3 Region Attribute and Size Register */
} MPU_Type;
#endif
/* Core Debug Register */
typedef struct
{
__IO uint32_t DHCSR; /*!< Debug Halting Control and Status Register */
__O uint32_t DCRSR; /*!< Debug Core Register Selector Register */
__IO uint32_t DCRDR; /*!< Debug Core Register Data Register */
__IO uint32_t DEMCR; /*!< Debug Exception and Monitor Control Register */
} CoreDebug_Type;
/* Memory mapping of Cortex-M3 Hardware */
#define SCS_BASE (0xE000E000) /*!< System Control Space Base Address */
#define ITM_BASE (0xE0000000) /*!< ITM Base Address */
#define CoreDebug_BASE (0xE000EDF0) /*!< Core Debug Base Address */
#define SysTick_BASE (SCS_BASE + 0x0010) /*!< SysTick Base Address */
#define NVIC_BASE (SCS_BASE + 0x0100) /*!< NVIC Base Address */
#define SCB_BASE (SCS_BASE + 0x0D00) /*!< System Control Block Base Address */
#define InterruptType ((InterruptType_Type *) SCS_BASE) /*!< Interrupt Type Register */
#define SCB ((SCB_Type *) SCB_BASE) /*!< SCB configuration struct */
#define SysTick ((SysTick_Type *) SysTick_BASE) /*!< SysTick configuration struct */
#define NVIC ((NVIC_Type *) NVIC_BASE) /*!< NVIC configuration struct */
#define ITM ((ITM_Type *) ITM_BASE) /*!< ITM configuration struct */
#define CoreDebug ((CoreDebug_Type *) CoreDebug_BASE) /*!< Core Debug configuration struct */
#if defined (__MPU_PRESENT) && (__MPU_PRESENT == 1)
#define MPU_BASE (SCS_BASE + 0x0D90) /*!< Memory Protection Unit */
#define MPU ((MPU_Type*) MPU_BASE) /*!< Memory Protection Unit */
#endif
/*******************************************************************************
* Hardware Abstraction Layer
******************************************************************************/
#if defined ( __CC_ARM )
#define __ASM __asm /*!< asm keyword for ARM Compiler */
#define __INLINE __inline /*!< inline keyword for ARM Compiler */
#elif defined ( __ICCARM__ )
#define __ASM __asm /*!< asm keyword for IAR Compiler */
#define __INLINE inline /*!< inline keyword for IAR Compiler. Only avaiable in High optimization mode! */
#elif defined ( __GNUC__ )
#define __ASM __asm /*!< asm keyword for GNU Compiler */
#define __INLINE inline /*!< inline keyword for GNU Compiler */
#elif defined ( __TASKING__ )
#define __ASM __asm /*!< asm keyword for TASKING Compiler */
#define __INLINE inline /*!< inline keyword for TASKING Compiler */
#endif
/* ################### Compiler specific Intrinsics ########################### */
#if defined ( __CC_ARM ) /*------------------RealView Compiler -----------------*/
/* ARM armcc specific functions */
#define __enable_fault_irq __enable_fiq
#define __disable_fault_irq __disable_fiq
#define __NOP __nop
#define __WFI __wfi
#define __WFE __wfe
#define __SEV __sev
#define __ISB() __isb(0)
#define __DSB() __dsb(0)
#define __DMB() __dmb(0)
#define __REV __rev
#define __RBIT __rbit
#define __LDREXB(ptr) ((unsigned char ) __ldrex(ptr))
#define __LDREXH(ptr) ((unsigned short) __ldrex(ptr))
#define __LDREXW(ptr) ((unsigned int ) __ldrex(ptr))
#define __STREXB(value, ptr) __strex(value, ptr)
#define __STREXH(value, ptr) __strex(value, ptr)
#define __STREXW(value, ptr) __strex(value, ptr)
/* intrinsic unsigned long long __ldrexd(volatile void *ptr) */
/* intrinsic int __strexd(unsigned long long val, volatile void *ptr) */
/* intrinsic void __enable_irq(); */
/* intrinsic void __disable_irq(); */
/**
* @brief Return the Process Stack Pointer
*
* @param none
* @return uint32_t ProcessStackPointer
*
* Return the actual process stack pointer
*/
extern uint32_t __get_PSP(void);
/**
* @brief Set the Process Stack Pointer
*
* @param uint32_t Process Stack Pointer
* @return none
*
* Assign the value ProcessStackPointer to the MSP
* (process stack pointer) Cortex processor register
*/
extern void __set_PSP(uint32_t topOfProcStack);
/**
* @brief Return the Main Stack Pointer
*
* @param none
* @return uint32_t Main Stack Pointer
*
* Return the current value of the MSP (main stack pointer)
* Cortex processor register
*/
extern uint32_t __get_MSP(void);
/**
* @brief Set the Main Stack Pointer
*
* @param uint32_t Main Stack Pointer
* @return none
*
* Assign the value mainStackPointer to the MSP
* (main stack pointer) Cortex processor register
*/
extern void __set_MSP(uint32_t topOfMainStack);
/**
* @brief Reverse byte order in unsigned short value
*
* @param uint16_t value to reverse
* @return uint32_t reversed value
*
* Reverse byte order in unsigned short value
*/
extern uint32_t __REV16(uint16_t value);
/*
* @brief Reverse byte order in signed short value with sign extension to integer
*
* @param int16_t value to reverse
* @return int32_t reversed value
*
* Reverse byte order in signed short value with sign extension to integer
*/
extern int32_t __REVSH(int16_t value);
#if (__ARMCC_VERSION < 400000)
/**
* @brief Remove the exclusive lock created by ldrex
*
* @param none
* @return none
*
* Removes the exclusive lock which is created by ldrex.
*/
extern void __CLREX(void);
/**
* @brief Return the Base Priority value
*
* @param none
* @return uint32_t BasePriority
*
* Return the content of the base priority register
*/
extern uint32_t __get_BASEPRI(void);
/**
* @brief Set the Base Priority value
*
* @param uint32_t BasePriority
* @return none
*
* Set the base priority register
*/
extern void __set_BASEPRI(uint32_t basePri);
/**
* @brief Return the Priority Mask value
*
* @param none
* @return uint32_t PriMask
*
* Return the state of the priority mask bit from the priority mask
* register
*/
extern uint32_t __get_PRIMASK(void);
/**
* @brief Set the Priority Mask value
*
* @param uint32_t PriMask
* @return none
*
* Set the priority mask bit in the priority mask register
*/
extern void __set_PRIMASK(uint32_t priMask);
/**
* @brief Return the Fault Mask value
*
* @param none
* @return uint32_t FaultMask
*
* Return the content of the fault mask register
*/
extern uint32_t __get_FAULTMASK(void);
/**
* @brief Set the Fault Mask value
*
* @param uint32_t faultMask value
* @return none
*
* Set the fault mask register
*/
extern void __set_FAULTMASK(uint32_t faultMask);
/**
* @brief Return the Control Register value
*
* @param none
* @return uint32_t Control value
*
* Return the content of the control register
*/
extern uint32_t __get_CONTROL(void);
/**
* @brief Set the Control Register value
*
* @param uint32_t Control value
* @return none
*
* Set the control register
*/
extern void __set_CONTROL(uint32_t control);
#else /* (__ARMCC_VERSION >= 400000) */
/**
* @brief Remove the exclusive lock created by ldrex
*
* @param none
* @return none
*
* Removes the exclusive lock which is created by ldrex.
*/
#define __CLREX __clrex
/**
* @brief Return the Base Priority value
*
* @param none
* @return uint32_t BasePriority
*
* Return the content of the base priority register
*/
static __INLINE uint32_t __get_BASEPRI(void)
{
register uint32_t __regBasePri __ASM("basepri");
return(__regBasePri);
}
/**
* @brief Set the Base Priority value
*
* @param uint32_t BasePriority
* @return none
*
* Set the base priority register
*/
static __INLINE void __set_BASEPRI(uint32_t basePri)
{
register uint32_t __regBasePri __ASM("basepri");
__regBasePri = (basePri & 0x1ff);
}
/**
* @brief Return the Priority Mask value
*
* @param none
* @return uint32_t PriMask
*
* Return the state of the priority mask bit from the priority mask
* register
*/
static __INLINE uint32_t __get_PRIMASK(void)
{
register uint32_t __regPriMask __ASM("primask");
return(__regPriMask);
}
/**
* @brief Set the Priority Mask value
*
* @param uint32_t PriMask
* @return none
*
* Set the priority mask bit in the priority mask register
*/
static __INLINE void __set_PRIMASK(uint32_t priMask)
{
register uint32_t __regPriMask __ASM("primask");
__regPriMask = (priMask);
}
/**
* @brief Return the Fault Mask value
*
* @param none
* @return uint32_t FaultMask
*
* Return the content of the fault mask register
*/
static __INLINE uint32_t __get_FAULTMASK(void)
{
register uint32_t __regFaultMask __ASM("faultmask");
return(__regFaultMask);
}
/**
* @brief Set the Fault Mask value
*
* @param uint32_t faultMask value
* @return none
*
* Set the fault mask register
*/
static __INLINE void __set_FAULTMASK(uint32_t faultMask)
{
register uint32_t __regFaultMask __ASM("faultmask");
__regFaultMask = (faultMask & 1);
}
/**
* @brief Return the Control Register value
*
* @param none
* @return uint32_t Control value
*
* Return the content of the control register
*/
static __INLINE uint32_t __get_CONTROL(void)
{
register uint32_t __regControl __ASM("control");
return(__regControl);
}
/**
* @brief Set the Control Register value
*
* @param uint32_t Control value
* @return none
*
* Set the control register
*/
static __INLINE void __set_CONTROL(uint32_t control)
{
register uint32_t __regControl __ASM("control");
__regControl = control;
}
#endif /* __ARMCC_VERSION */
#elif (defined (__ICCARM__)) /*------------------ ICC Compiler -------------------*/
/* IAR iccarm specific functions */
#define __enable_irq __enable_interrupt /*!< global Interrupt enable */
#define __disable_irq __disable_interrupt /*!< global Interrupt disable */
static __INLINE void __enable_fault_irq() { __ASM ("cpsie f"); }
static __INLINE void __disable_fault_irq() { __ASM ("cpsid f"); }
#define __NOP __no_operation() /*!< no operation intrinsic in IAR Compiler */
static __INLINE void __WFI() { __ASM ("wfi"); }
static __INLINE void __WFE() { __ASM ("wfe"); }
static __INLINE void __SEV() { __ASM ("sev"); }
static __INLINE void __CLREX() { __ASM ("clrex"); }
/* intrinsic void __ISB(void) */
/* intrinsic void __DSB(void) */
/* intrinsic void __DMB(void) */
/* intrinsic void __set_PRIMASK(); */
/* intrinsic void __get_PRIMASK(); */
/* intrinsic void __set_FAULTMASK(); */
/* intrinsic void __get_FAULTMASK(); */
/* intrinsic uint32_t __REV(uint32_t value); */
/* intrinsic uint32_t __REVSH(uint32_t value); */
/* intrinsic unsigned long __STREX(unsigned long, unsigned long); */
/* intrinsic unsigned long __LDREX(unsigned long *); */
/**
* @brief Return the Process Stack Pointer
*
* @param none
* @return uint32_t ProcessStackPointer
*
* Return the actual process stack pointer
*/
extern uint32_t __get_PSP(void);
/**
* @brief Set the Process Stack Pointer
*
* @param uint32_t Process Stack Pointer
* @return none
*
* Assign the value ProcessStackPointer to the MSP
* (process stack pointer) Cortex processor register
*/
extern void __set_PSP(uint32_t topOfProcStack);
/**
* @brief Return the Main Stack Pointer
*
* @param none
* @return uint32_t Main Stack Pointer
*
* Return the current value of the MSP (main stack pointer)
* Cortex processor register
*/
extern uint32_t __get_MSP(void);
/**
* @brief Set the Main Stack Pointer
*
* @param uint32_t Main Stack Pointer
* @return none
*
* Assign the value mainStackPointer to the MSP
* (main stack pointer) Cortex processor register
*/
extern void __set_MSP(uint32_t topOfMainStack);
/**
* @brief Reverse byte order in unsigned short value
*
* @param uint16_t value to reverse
* @return uint32_t reversed value
*
* Reverse byte order in unsigned short value
*/
extern uint32_t __REV16(uint16_t value);
/**
* @brief Reverse bit order of value
*
* @param uint32_t value to reverse
* @return uint32_t reversed value
*
* Reverse bit order of value
*/
extern uint32_t __RBIT(uint32_t value);
/**
* @brief LDR Exclusive
*
* @param uint8_t* address
* @return uint8_t value of (*address)
*
* Exclusive LDR command
*/
extern uint8_t __LDREXB(uint8_t *addr);
/**
* @brief LDR Exclusive
*
* @param uint16_t* address
* @return uint16_t value of (*address)
*
* Exclusive LDR command
*/
extern uint16_t __LDREXH(uint16_t *addr);
/**
* @brief LDR Exclusive
*
* @param uint32_t* address
* @return uint32_t value of (*address)
*
* Exclusive LDR command
*/
extern uint32_t __LDREXW(uint32_t *addr);
/**
* @brief STR Exclusive
*
* @param uint8_t *address
* @param uint8_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
extern uint32_t __STREXB(uint8_t value, uint8_t *addr);
/**
* @brief STR Exclusive
*
* @param uint16_t *address
* @param uint16_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
extern uint32_t __STREXH(uint16_t value, uint16_t *addr);
/**
* @brief STR Exclusive
*
* @param uint32_t *address
* @param uint32_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
extern uint32_t __STREXW(uint32_t value, uint32_t *addr);
#elif (defined (__GNUC__)) /*------------------ GNU Compiler ---------------------*/
/* GNU gcc specific functions */
static __INLINE void __enable_irq() { __ASM volatile ("cpsie i"); }
static __INLINE void __disable_irq() { __ASM volatile ("cpsid i"); }
static __INLINE void __enable_fault_irq() { __ASM volatile ("cpsie f"); }
static __INLINE void __disable_fault_irq() { __ASM volatile ("cpsid f"); }
static __INLINE void __NOP() { __ASM volatile ("nop"); }
static __INLINE void __WFI() { __ASM volatile ("wfi"); }
static __INLINE void __WFE() { __ASM volatile ("wfe"); }
static __INLINE void __SEV() { __ASM volatile ("sev"); }
static __INLINE void __ISB() { __ASM volatile ("isb"); }
static __INLINE void __DSB() { __ASM volatile ("dsb"); }
static __INLINE void __DMB() { __ASM volatile ("dmb"); }
static __INLINE void __CLREX() { __ASM volatile ("clrex"); }
/**
* @brief Return the Process Stack Pointer
*
* @param none
* @return uint32_t ProcessStackPointer
*
* Return the actual process stack pointer
*/
extern uint32_t __get_PSP(void);
/**
* @brief Set the Process Stack Pointer
*
* @param uint32_t Process Stack Pointer
* @return none
*
* Assign the value ProcessStackPointer to the MSP
* (process stack pointer) Cortex processor register
*/
extern void __set_PSP(uint32_t topOfProcStack);
/**
* @brief Return the Main Stack Pointer
*
* @param none
* @return uint32_t Main Stack Pointer
*
* Return the current value of the MSP (main stack pointer)
* Cortex processor register
*/
extern uint32_t __get_MSP(void);
/**
* @brief Set the Main Stack Pointer
*
* @param uint32_t Main Stack Pointer
* @return none
*
* Assign the value mainStackPointer to the MSP
* (main stack pointer) Cortex processor register
*/
extern void __set_MSP(uint32_t topOfMainStack);
/**
* @brief Return the Base Priority value
*
* @param none
* @return uint32_t BasePriority
*
* Return the content of the base priority register
*/
extern uint32_t __get_BASEPRI(void);
/**
* @brief Set the Base Priority value
*
* @param uint32_t BasePriority
* @return none
*
* Set the base priority register
*/
extern void __set_BASEPRI(uint32_t basePri);
/**
* @brief Return the Priority Mask value
*
* @param none
* @return uint32_t PriMask
*
* Return the state of the priority mask bit from the priority mask
* register
*/
extern uint32_t __get_PRIMASK(void);
/**
* @brief Set the Priority Mask value
*
* @param uint32_t PriMask
* @return none
*
* Set the priority mask bit in the priority mask register
*/
extern void __set_PRIMASK(uint32_t priMask);
/**
* @brief Return the Fault Mask value
*
* @param none
* @return uint32_t FaultMask
*
* Return the content of the fault mask register
*/
extern uint32_t __get_FAULTMASK(void);
/**
* @brief Set the Fault Mask value
*
* @param uint32_t faultMask value
* @return none
*
* Set the fault mask register
*/
extern void __set_FAULTMASK(uint32_t faultMask);
/**
* @brief Return the Control Register value
*
* @param none
* @return uint32_t Control value
*
* Return the content of the control register
*/
extern uint32_t __get_CONTROL(void);
/**
* @brief Set the Control Register value
*
* @param uint32_t Control value
* @return none
*
* Set the control register
*/
extern void __set_CONTROL(uint32_t control);
/**
* @brief Reverse byte order in integer value
*
* @param uint32_t value to reverse
* @return uint32_t reversed value
*
* Reverse byte order in integer value
*/
extern uint32_t __REV(uint32_t value);
/**
* @brief Reverse byte order in unsigned short value
*
* @param uint16_t value to reverse
* @return uint32_t reversed value
*
* Reverse byte order in unsigned short value
*/
extern uint32_t __REV16(uint16_t value);
/*
* Reverse byte order in signed short value with sign extension to integer
*
* @param int16_t value to reverse
* @return int32_t reversed value
*
* @brief Reverse byte order in signed short value with sign extension to integer
*/
extern int32_t __REVSH(int16_t value);
/**
* @brief Reverse bit order of value
*
* @param uint32_t value to reverse
* @return uint32_t reversed value
*
* Reverse bit order of value
*/
extern uint32_t __RBIT(uint32_t value);
/**
* @brief LDR Exclusive
*
* @param uint8_t* address
* @return uint8_t value of (*address)
*
* Exclusive LDR command
*/
extern uint8_t __LDREXB(uint8_t *addr);
/**
* @brief LDR Exclusive
*
* @param uint16_t* address
* @return uint16_t value of (*address)
*
* Exclusive LDR command
*/
extern uint16_t __LDREXH(uint16_t *addr);
/**
* @brief LDR Exclusive
*
* @param uint32_t* address
* @return uint32_t value of (*address)
*
* Exclusive LDR command
*/
extern uint32_t __LDREXW(uint32_t *addr);
/**
* @brief STR Exclusive
*
* @param uint8_t *address
* @param uint8_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
extern uint32_t __STREXB(uint8_t value, uint8_t *addr);
/**
* @brief STR Exclusive
*
* @param uint16_t *address
* @param uint16_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
extern uint32_t __STREXH(uint16_t value, uint16_t *addr);
/**
* @brief STR Exclusive
*
* @param uint32_t *address
* @param uint32_t value to store
* @return uint32_t successful / failed
*
* Exclusive STR command
*/
extern uint32_t __STREXW(uint32_t value, uint32_t *addr);
#elif (defined (__TASKING__)) /*------------------ TASKING Compiler ---------------------*/
/* TASKING carm specific functions */
/*
* The CMSIS functions have been implemented as intrinsics in the compiler.
* Please use "carm -?i" to get an up to date list of all instrinsics,
* Including the CMSIS ones.
*/
#endif
/* ########################## NVIC functions #################################### */
/**
* @brief Set the Priority Grouping in NVIC Interrupt Controller
*
* @param uint32_t priority_grouping is priority grouping field
* @return none
*
* Set the priority grouping field using the required unlock sequence.
* The parameter priority_grouping is assigned to the field
* SCB->AIRCR [10:8] PRIGROUP field. Only values from 0..7 are used.
* In case of a conflict between priority grouping and available
* priority bits (__NVIC_PRIO_BITS) the smallest possible priority group is set.
*/
static __INLINE void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
{
uint32_t reg_value;
uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
reg_value = SCB->AIRCR; /* read old register configuration */
reg_value &= ~((0xFFFFU << 16) | (0x0F << 8)); /* clear bits to change */
reg_value = ((reg_value | NVIC_AIRCR_VECTKEY | (PriorityGroupTmp << 8))); /* Insert write key and priorty group */
SCB->AIRCR = reg_value;
}
/**
* @brief Get the Priority Grouping from NVIC Interrupt Controller
*
* @param none
* @return uint32_t priority grouping field
*
* Get the priority grouping from NVIC Interrupt Controller.
* priority grouping is SCB->AIRCR [10:8] PRIGROUP field.
*/
static __INLINE uint32_t NVIC_GetPriorityGrouping(void)
{
return ((SCB->AIRCR >> 8) & 0x07); /* read priority grouping field */
}
/**
* @brief Enable Interrupt in NVIC Interrupt Controller
*
* @param IRQn_Type IRQn specifies the interrupt number
* @return none
*
* Enable a device specific interupt in the NVIC interrupt controller.
* The interrupt number cannot be a negative value.
*/
static __INLINE void NVIC_EnableIRQ(IRQn_Type IRQn)
{
NVIC->ISER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* enable interrupt */
}
/**
* @brief Disable the interrupt line for external interrupt specified
*
* @param IRQn_Type IRQn is the positive number of the external interrupt
* @return none
*
* Disable a device specific interupt in the NVIC interrupt controller.
* The interrupt number cannot be a negative value.
*/
static __INLINE void NVIC_DisableIRQ(IRQn_Type IRQn)
{
NVIC->ICER[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* disable interrupt */
}
/**
* @brief Read the interrupt pending bit for a device specific interrupt source
*
* @param IRQn_Type IRQn is the number of the device specifc interrupt
* @return uint32_t 1 if pending interrupt else 0
*
* Read the pending register in NVIC and return 1 if its status is pending,
* otherwise it returns 0
*/
static __INLINE uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
{
return((uint32_t) ((NVIC->ISPR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if pending else 0 */
}
/**
* @brief Set the pending bit for an external interrupt
*
* @param IRQn_Type IRQn is the Number of the interrupt
* @return none
*
* Set the pending bit for the specified interrupt.
* The interrupt number cannot be a negative value.
*/
static __INLINE void NVIC_SetPendingIRQ(IRQn_Type IRQn)
{
NVIC->ISPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* set interrupt pending */
}
/**
* @brief Clear the pending bit for an external interrupt
*
* @param IRQn_Type IRQn is the Number of the interrupt
* @return none
*
* Clear the pending bit for the specified interrupt.
* The interrupt number cannot be a negative value.
*/
static __INLINE void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
{
NVIC->ICPR[((uint32_t)(IRQn) >> 5)] = (1 << ((uint32_t)(IRQn) & 0x1F)); /* Clear pending interrupt */
}
/**
* @brief Read the active bit for an external interrupt
*
* @param IRQn_Type IRQn is the Number of the interrupt
* @return uint32_t 1 if active else 0
*
* Read the active register in NVIC and returns 1 if its status is active,
* otherwise it returns 0.
*/
static __INLINE uint32_t NVIC_GetActive(IRQn_Type IRQn)
{
return((uint32_t)((NVIC->IABR[(uint32_t)(IRQn) >> 5] & (1 << ((uint32_t)(IRQn) & 0x1F)))?1:0)); /* Return 1 if active else 0 */
}
/**
* @brief Set the priority for an interrupt
*
* @param IRQn_Type IRQn is the Number of the interrupt
* @param priority is the priority for the interrupt
* @return none
*
* Set the priority for the specified interrupt. The interrupt
* number can be positive to specify an external (device specific)
* interrupt, or negative to specify an internal (core) interrupt. \n
*
* Note: The priority cannot be set for every core interrupt.
*/
static __INLINE void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
{
if(IRQn < 0) {
SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); } /* set Priority for Cortex-M3 System Interrupts */
else {
NVIC->IP[(uint32_t)(IRQn)] = ((priority << (8 - __NVIC_PRIO_BITS)) & 0xff); } /* set Priority for device specific Interrupts */
}
/**
* @brief Read the priority for an interrupt
*
* @param IRQn_Type IRQn is the Number of the interrupt
* @return uint32_t priority is the priority for the interrupt
*
* Read the priority for the specified interrupt. The interrupt
* number can be positive to specify an external (device specific)
* interrupt, or negative to specify an internal (core) interrupt.
*
* The returned priority value is automatically aligned to the implemented
* priority bits of the microcontroller.
*
* Note: The priority cannot be set for every core interrupt.
*/
static __INLINE uint32_t NVIC_GetPriority(IRQn_Type IRQn)
{
if(IRQn < 0) {
return((uint32_t)(SCB->SHP[((uint32_t)(IRQn) & 0xF)-4] >> (8 - __NVIC_PRIO_BITS))); } /* get priority for Cortex-M3 system interrupts */
else {
return((uint32_t)(NVIC->IP[(uint32_t)(IRQn)] >> (8 - __NVIC_PRIO_BITS))); } /* get priority for device specific interrupts */
}
/**
* @brief Encode the priority for an interrupt
*
* @param uint32_t PriorityGroup is the used priority group
* @param uint32_t PreemptPriority is the preemptive priority value (starting from 0)
* @param uint32_t SubPriority is the sub priority value (starting from 0)
* @return uint32_t the priority for the interrupt
*
* Encode the priority for an interrupt with the given priority group,
* preemptive priority value and sub priority value.
* In case of a conflict between priority grouping and available
* priority bits (__NVIC_PRIO_BITS) the samllest possible priority group is set.
*
* The returned priority value can be used for NVIC_SetPriority(...) function
*/
static __INLINE uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
{
uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
uint32_t PreemptPriorityBits;
uint32_t SubPriorityBits;
PreemptPriorityBits = ((7 - PriorityGroupTmp) > __NVIC_PRIO_BITS) ? __NVIC_PRIO_BITS : 7 - PriorityGroupTmp;
SubPriorityBits = ((PriorityGroupTmp + __NVIC_PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + __NVIC_PRIO_BITS;
return (
((PreemptPriority & ((1 << (PreemptPriorityBits)) - 1)) << SubPriorityBits) |
((SubPriority & ((1 << (SubPriorityBits )) - 1)))
);
}
/**
* @brief Decode the priority of an interrupt
*
* @param uint32_t Priority the priority for the interrupt
* @param uint32_t PrioGroup is the used priority group
* @param uint32_t* pPreemptPrio is the preemptive priority value (starting from 0)
* @param uint32_t* pSubPrio is the sub priority value (starting from 0)
* @return none
*
* Decode an interrupt priority value with the given priority group to
* preemptive priority value and sub priority value.
* In case of a conflict between priority grouping and available
* priority bits (__NVIC_PRIO_BITS) the samllest possible priority group is set.
*
* The priority value can be retrieved with NVIC_GetPriority(...) function
*/
static __INLINE void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority)
{
uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
uint32_t PreemptPriorityBits;
uint32_t SubPriorityBits;
PreemptPriorityBits = ((7 - PriorityGroupTmp) > __NVIC_PRIO_BITS) ? __NVIC_PRIO_BITS : 7 - PriorityGroupTmp;
SubPriorityBits = ((PriorityGroupTmp + __NVIC_PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + __NVIC_PRIO_BITS;
*pPreemptPriority = (Priority >> SubPriorityBits) & ((1 << (PreemptPriorityBits)) - 1);
*pSubPriority = (Priority ) & ((1 << (SubPriorityBits )) - 1);
}
/* ################################## SysTick function ############################################ */
#if (!defined (__Vendor_SysTickConfig)) || (__Vendor_SysTickConfig == 0)
/* SysTick constants */
#define SYSTICK_ENABLE 0 /* Config-Bit to start or stop the SysTick Timer */
#define SYSTICK_TICKINT 1 /* Config-Bit to enable or disable the SysTick interrupt */
#define SYSTICK_CLKSOURCE 2 /* Clocksource has the offset 2 in SysTick Control and Status Register */
#define SYSTICK_MAXCOUNT ((1<<24) -1) /* SysTick MaxCount */
/**
* @brief Initialize and start the SysTick counter and its interrupt.
*
* @param uint32_t ticks is the number of ticks between two interrupts
* @return none
*
* Initialise the system tick timer and its interrupt and start the
* system tick timer / counter in free running mode to generate
* periodical interrupts.
*/
static __INLINE uint32_t SysTick_Config(uint32_t ticks)
{
if (ticks > SYSTICK_MAXCOUNT) return (1); /* Reload value impossible */
SysTick->LOAD = (ticks & SYSTICK_MAXCOUNT) - 1; /* set reload register */
NVIC_SetPriority (SysTick_IRQn, (1<<__NVIC_PRIO_BITS) - 1); /* set Priority for Cortex-M0 System Interrupts */
SysTick->VAL = (0x00); /* Load the SysTick Counter Value */
SysTick->CTRL = (1 << SYSTICK_CLKSOURCE) | (1<<SYSTICK_ENABLE) | (1<<SYSTICK_TICKINT); /* Enable SysTick IRQ and SysTick Timer */
return (0); /* Function successful */
}
#endif
/* ################################## Reset function ############################################ */
/**
* @brief Initiate a system reset request.
*
* @param none
* @return none
*
* Initialize a system reset request to reset the MCU
*/
static __INLINE void NVIC_SystemReset(void)
{
SCB->AIRCR = (NVIC_AIRCR_VECTKEY | (SCB->AIRCR & (0x700)) | (1<<NVIC_SYSRESETREQ)); /* Keep priority group unchanged */
__DSB(); /* Ensure completion of memory access */
while(1); /* wait until reset */
}
/* ################################## Debug Output function ############################################ */
/**
* @brief Outputs a character via the ITM channel 0
*
* @param uint32_t character to output
* @return uint32_t input character
*
* The function outputs a character via the ITM channel 0.
* The function returns when no debugger is connected that has booked the output.
* It is blocking when a debugger is connected, but the previous character send is not transmitted.
*/
static __INLINE uint32_t ITM_SendChar (uint32_t ch)
{
if (ch == '\n') ITM_SendChar('\r');
if ((CoreDebug->DEMCR & CoreDebug_DEMCR_TRCENA) &&
(ITM->TCR & ITM_TCR_ITMENA) &&
(ITM->TER & (1UL << 0)) )
{
while (ITM->PORT[0].u32 == 0);
ITM->PORT[0].u8 = (uint8_t) ch;
}
return (ch);
}
#ifdef __cplusplus
}
#endif
#endif /* __CM3_CORE_H__ */
/*lint -restore */
;/*****************************************************************************
; * @file: startup_LPC17xx.s
; * @purpose: CMSIS Cortex-M3 Core Device Startup File
; * for the NXP LPC17xx Device Series
; * @version: V1.0
; * @date: 25. Nov. 2008
; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------
; *
; * Copyright (C) 2008 ARM Limited. All rights reserved.
; * ARM Limited (ARM) is supplying this software for use with Cortex-M3
; * processor based microcontrollers. This file can be freely distributed
; * within development tools that are supporting such ARM based processors.
; *
; * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
; *
; *****************************************************************************/
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x00000200
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000000
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; External Interrupts
DCD WDT_IRQHandler ; 16: Watchdog Timer
DCD TIMER0_IRQHandler ; 17: Timer0
DCD TIMER1_IRQHandler ; 18: Timer1
DCD TIMER2_IRQHandler ; 19: Timer2
DCD TIMER3_IRQHandler ; 20: Timer3
DCD UART0_IRQHandler ; 21: UART0
DCD UART1_IRQHandler ; 22: UART1
DCD UART2_IRQHandler ; 23: UART2
DCD UART3_IRQHandler ; 24: UART3
DCD PWM1_IRQHandler ; 25: PWM1
DCD I2C0_IRQHandler ; 26: I2C0
DCD I2C1_IRQHandler ; 27: I2C1
DCD I2C2_IRQHandler ; 28: I2C2
DCD SPI_IRQHandler ; 29: SPI
DCD SSP0_IRQHandler ; 30: SSP0
DCD SSP1_IRQHandler ; 31: SSP1
DCD PLL0_IRQHandler ; 32: PLL0 Lock (Main PLL)
DCD RTC_IRQHandler ; 33: Real Time Clock
DCD EINT0_IRQHandler ; 34: External Interrupt 0
DCD EINT1_IRQHandler ; 35: External Interrupt 1
DCD EINT2_IRQHandler ; 36: External Interrupt 2
DCD EINT3_IRQHandler ; 37: External Interrupt 3
DCD ADC_IRQHandler ; 38: A/D Converter
DCD BOD_IRQHandler ; 39: Brown-Out Detect
DCD USB_IRQHandler ; 40: USB
DCD CAN_IRQHandler ; 41: CAN
DCD DMA_IRQHandler ; 42: General Purpose DMA
DCD I2S_IRQHandler ; 43: I2S
DCD ENET_IRQHandler ; 44: Ethernet
DCD RIT_IRQHandler ; 45: Repetitive Interrupt Timer
DCD MCPWM_IRQHandler ; 46: Motor Control PWM
DCD QEI_IRQHandler ; 47: Quadrature Encoder Interface
DCD PLL1_IRQHandler ; 48: PLL1 Lock (USB PLL)
DCD USBActivity_IRQHandler ; USB Activity interrupt to wakeup
DCD CANActivity_IRQHandler ; CAN Activity interrupt to wakeup
IF :LNOT::DEF:NO_CRP
AREA |.ARM.__at_0x02FC|, CODE, READONLY
CRP_Key DCD 0xFFFFFFFF
ENDIF
AREA |.text|, CODE, READONLY
; Reset Handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT __main
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemManage_Handler\
PROC
EXPORT MemManage_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT WDT_IRQHandler [WEAK]
EXPORT TIMER0_IRQHandler [WEAK]
EXPORT TIMER1_IRQHandler [WEAK]
EXPORT TIMER2_IRQHandler [WEAK]
EXPORT TIMER3_IRQHandler [WEAK]
EXPORT UART0_IRQHandler [WEAK]
EXPORT UART1_IRQHandler [WEAK]
EXPORT UART2_IRQHandler [WEAK]
EXPORT UART3_IRQHandler [WEAK]
EXPORT PWM1_IRQHandler [WEAK]
EXPORT I2C0_IRQHandler [WEAK]
EXPORT I2C1_IRQHandler [WEAK]
EXPORT I2C2_IRQHandler [WEAK]
EXPORT SPI_IRQHandler [WEAK]
EXPORT SSP0_IRQHandler [WEAK]
EXPORT SSP1_IRQHandler [WEAK]
EXPORT PLL0_IRQHandler [WEAK]
EXPORT RTC_IRQHandler [WEAK]
EXPORT EINT0_IRQHandler [WEAK]
EXPORT EINT1_IRQHandler [WEAK]
EXPORT EINT2_IRQHandler [WEAK]
EXPORT EINT3_IRQHandler [WEAK]
EXPORT ADC_IRQHandler [WEAK]
EXPORT BOD_IRQHandler [WEAK]
EXPORT USB_IRQHandler [WEAK]
EXPORT CAN_IRQHandler [WEAK]
EXPORT DMA_IRQHandler [WEAK]
EXPORT I2S_IRQHandler [WEAK]
EXPORT ENET_IRQHandler [WEAK]
EXPORT RIT_IRQHandler [WEAK]
EXPORT MCPWM_IRQHandler [WEAK]
EXPORT QEI_IRQHandler [WEAK]
EXPORT PLL1_IRQHandler [WEAK]
EXPORT USBActivity_IRQHandler [WEAK]
EXPORT CANActivity_IRQHandler [WEAK]
WDT_IRQHandler
TIMER0_IRQHandler
TIMER1_IRQHandler
TIMER2_IRQHandler
TIMER3_IRQHandler
UART0_IRQHandler
UART1_IRQHandler
UART2_IRQHandler
UART3_IRQHandler
PWM1_IRQHandler
I2C0_IRQHandler
I2C1_IRQHandler
I2C2_IRQHandler
SPI_IRQHandler
SSP0_IRQHandler
SSP1_IRQHandler
PLL0_IRQHandler
RTC_IRQHandler
EINT0_IRQHandler
EINT1_IRQHandler
EINT2_IRQHandler
EINT3_IRQHandler
ADC_IRQHandler
BOD_IRQHandler
USB_IRQHandler
CAN_IRQHandler
DMA_IRQHandler
I2S_IRQHandler
ENET_IRQHandler
RIT_IRQHandler
MCPWM_IRQHandler
QEI_IRQHandler
PLL1_IRQHandler
USBActivity_IRQHandler
CANActivity_IRQHandler
B .
ENDP
ALIGN
; User Initial Stack & Heap
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap
LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ALIGN
ENDIF
END
/******************************************************************************
* @file: system_LPC17xx.c
* @purpose: CMSIS Cortex-M3 Device Peripheral Access Layer Source File
* for the NXP LPC17xx Device Series
* @version: V1.1
* @date: 18th May 2009
*----------------------------------------------------------------------------
*
* Copyright (C) 2008 ARM Limited. All rights reserved.
*
* ARM Limited (ARM) is supplying this software for use with Cortex-M3
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#include <stdint.h>
#include "LPC17xx.h"
/*
//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------
*/
/*--------------------- Clock Configuration ----------------------------------
//
// <e> Clock Configuration
// <h> System Controls and Status Register (SCS)
// <o1.4> OSCRANGE: Main Oscillator Range Select
// <0=> 1 MHz to 20 MHz
// <1=> 15 MHz to 24 MHz
// <e1.5> OSCEN: Main Oscillator Enable
// </e>
// </h>
//
// <h> Clock Source Select Register (CLKSRCSEL)
// <o2.0..1> CLKSRC: PLL Clock Source Selection
// <0=> Internal RC oscillator
// <1=> Main oscillator
// <2=> RTC oscillator
// </h>
//
// <e3> PLL0 Configuration (Main PLL)
// <h> PLL0 Configuration Register (PLL0CFG)
// <i> F_cco0 = (2 * M * F_in) / N
// <i> F_in must be in the range of 32 kHz to 50 MHz
// <i> F_cco0 must be in the range of 275 MHz to 550 MHz
// <o4.0..14> MSEL: PLL Multiplier Selection
// <6-32768><#-1>
// <i> M Value
// <o4.16..23> NSEL: PLL Divider Selection
// <1-256><#-1>
// <i> N Value
// </h>
// </e>
//
// <e5> PLL1 Configuration (USB PLL)
// <h> PLL1 Configuration Register (PLL1CFG)
// <i> F_usb = M * F_osc or F_usb = F_cco1 / (2 * P)
// <i> F_cco1 = F_osc * M * 2 * P
// <i> F_cco1 must be in the range of 156 MHz to 320 MHz
// <o6.0..4> MSEL: PLL Multiplier Selection
// <1-32><#-1>
// <i> M Value (for USB maximum value is 4)
// <o6.5..6> PSEL: PLL Divider Selection
// <0=> 1
// <1=> 2
// <2=> 4
// <3=> 8
// <i> P Value
// </h>
// </e>
//
// <h> CPU Clock Configuration Register (CCLKCFG)
// <o7.0..7> CCLKSEL: Divide Value for CPU Clock from PLL0
// <3-256><#-1>
// </h>
//
// <h> USB Clock Configuration Register (USBCLKCFG)
// <o8.0..3> USBSEL: Divide Value for USB Clock from PLL1
// <0-15>
// <i> Divide is USBSEL + 1
// </h>
//
// <h> Peripheral Clock Selection Register 0 (PCLKSEL0)
// <o9.0..1> PCLK_WDT: Peripheral Clock Selection for WDT
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.2..3> PCLK_TIMER0: Peripheral Clock Selection for TIMER0
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.4..5> PCLK_TIMER1: Peripheral Clock Selection for TIMER1
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.6..7> PCLK_UART0: Peripheral Clock Selection for UART0
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.8..9> PCLK_UART1: Peripheral Clock Selection for UART1
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.12..13> PCLK_PWM1: Peripheral Clock Selection for PWM1
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.14..15> PCLK_I2C0: Peripheral Clock Selection for I2C0
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.16..17> PCLK_SPI: Peripheral Clock Selection for SPI
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.20..21> PCLK_SSP1: Peripheral Clock Selection for SSP1
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.22..23> PCLK_DAC: Peripheral Clock Selection for DAC
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.24..25> PCLK_ADC: Peripheral Clock Selection for ADC
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o9.26..27> PCLK_CAN1: Peripheral Clock Selection for CAN1
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 6
// <o9.28..29> PCLK_CAN2: Peripheral Clock Selection for CAN2
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 6
// <o9.30..31> PCLK_ACF: Peripheral Clock Selection for ACF
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 6
// </h>
//
// <h> Peripheral Clock Selection Register 1 (PCLKSEL1)
// <o10.0..1> PCLK_QEI: Peripheral Clock Selection for the Quadrature Encoder Interface
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.2..3> PCLK_GPIO: Peripheral Clock Selection for GPIOs
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.4..5> PCLK_PCB: Peripheral Clock Selection for the Pin Connect Block
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.6..7> PCLK_I2C1: Peripheral Clock Selection for I2C1
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.10..11> PCLK_SSP0: Peripheral Clock Selection for SSP0
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.12..13> PCLK_TIMER2: Peripheral Clock Selection for TIMER2
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.14..15> PCLK_TIMER3: Peripheral Clock Selection for TIMER3
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.16..17> PCLK_UART2: Peripheral Clock Selection for UART2
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.18..19> PCLK_UART3: Peripheral Clock Selection for UART3
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.20..21> PCLK_I2C2: Peripheral Clock Selection for I2C2
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.22..23> PCLK_I2S: Peripheral Clock Selection for I2S
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.26..27> PCLK_RIT: Peripheral Clock Selection for the Repetitive Interrupt Timer
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.28..29> PCLK_SYSCON: Peripheral Clock Selection for the System Control Block
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// <o10.30..31> PCLK_MC: Peripheral Clock Selection for the Motor Control PWM
// <0=> Pclk = Cclk / 4
// <1=> Pclk = Cclk
// <2=> Pclk = Cclk / 2
// <3=> Pclk = Hclk / 8
// </h>
//
// <h> Power Control for Peripherals Register (PCONP)
// <o11.1> PCTIM0: Timer/Counter 0 power/clock enable
// <o11.2> PCTIM1: Timer/Counter 1 power/clock enable
// <o11.3> PCUART0: UART 0 power/clock enable
// <o11.4> PCUART1: UART 1 power/clock enable
// <o11.6> PCPWM1: PWM 1 power/clock enable
// <o11.7> PCI2C0: I2C interface 0 power/clock enable
// <o11.8> PCSPI: SPI interface power/clock enable
// <o11.9> PCRTC: RTC power/clock enable
// <o11.10> PCSSP1: SSP interface 1 power/clock enable
// <o11.12> PCAD: A/D converter power/clock enable
// <o11.13> PCCAN1: CAN controller 1 power/clock enable
// <o11.14> PCCAN2: CAN controller 2 power/clock enable
// <o11.15> PCGPIO: GPIOs power/clock enable
// <o11.16> PCRIT: Repetitive interrupt timer power/clock enable
// <o11.17> PCMC: Motor control PWM power/clock enable
// <o11.18> PCQEI: Quadrature encoder interface power/clock enable
// <o11.19> PCI2C1: I2C interface 1 power/clock enable
// <o11.21> PCSSP0: SSP interface 0 power/clock enable
// <o11.22> PCTIM2: Timer 2 power/clock enable
// <o11.23> PCTIM3: Timer 3 power/clock enable
// <o11.24> PCUART2: UART 2 power/clock enable
// <o11.25> PCUART3: UART 3 power/clock enable
// <o11.26> PCI2C2: I2C interface 2 power/clock enable
// <o11.27> PCI2S: I2S interface power/clock enable
// <o11.29> PCGPDMA: GP DMA function power/clock enable
// <o11.30> PCENET: Ethernet block power/clock enable
// <o11.31> PCUSB: USB interface power/clock enable
// </h>
//
// <h> Clock Output Configuration Register (CLKOUTCFG)
// <o12.0..3> CLKOUTSEL: Selects clock source for CLKOUT
// <0=> CPU clock
// <1=> Main oscillator
// <2=> Internal RC oscillator
// <3=> USB clock
// <4=> RTC oscillator
// <o12.4..7> CLKOUTDIV: Selects clock divider for CLKOUT
// <1-16><#-1>
// <o12.8> CLKOUT_EN: CLKOUT enable control
// </h>
//
// </e>
*/
#define CLOCK_SETUP 1
#define SCS_Val 0x00000020
#define CLKSRCSEL_Val 0x00000001
#define PLL0_SETUP 1
#define PLL0CFG_Val 0x0000000B
#define PLL1_SETUP 1
#define PLL1CFG_Val 0x00000023
#define CCLKCFG_Val 0x00000003
#define USBCLKCFG_Val 0x00000000
#define PCLKSEL0_Val 0x00000000
#define PCLKSEL1_Val 0x00000000
#define PCONP_Val 0x042887DE
#define CLKOUTCFG_Val 0x00000000
/*--------------------- Flash Accelerator Configuration ----------------------
//
// <e> Flash Accelerator Configuration
// <o1.0..1> FETCHCFG: Fetch Configuration
// <0=> Instruction fetches from flash are not buffered
// <1=> One buffer is used for all instruction fetch buffering
// <2=> All buffers may be used for instruction fetch buffering
// <3=> Reserved (do not use this setting)
// <o1.2..3> DATACFG: Data Configuration
// <0=> Data accesses from flash are not buffered
// <1=> One buffer is used for all data access buffering
// <2=> All buffers may be used for data access buffering
// <3=> Reserved (do not use this setting)
// <o1.4> ACCEL: Acceleration Enable
// <o1.5> PREFEN: Prefetch Enable
// <o1.6> PREFOVR: Prefetch Override
// <o1.12..15> FLASHTIM: Flash Access Time
// <0=> 1 CPU clock (for CPU clock up to 20 MHz)
// <1=> 2 CPU clocks (for CPU clock up to 40 MHz)
// <2=> 3 CPU clocks (for CPU clock up to 60 MHz)
// <3=> 4 CPU clocks (for CPU clock up to 80 MHz)
// <4=> 5 CPU clocks (for CPU clock up to 100 MHz)
// <5=> 6 CPU clocks (for any CPU clock)
// </e>
*/
#define FLASH_SETUP 1
#define FLASHCFG_Val 0x0000303A
/*
//-------- <<< end of configuration section >>> ------------------------------
*/
/*----------------------------------------------------------------------------
Check the register settings
*----------------------------------------------------------------------------*/
#define CHECK_RANGE(val, min, max) ((val < min) || (val > max))
#define CHECK_RSVD(val, mask) (val & mask)
/* Clock Configuration -------------------------------------------------------*/
#if (CHECK_RSVD((SCS_Val), ~0x00000030))
#error "SCS: Invalid values of reserved bits!"
#endif
#if (CHECK_RANGE((CLKSRCSEL_Val), 0, 2))
#error "CLKSRCSEL: Value out of range!"
#endif
#if (CHECK_RSVD((PLL0CFG_Val), ~0x00FF7FFF))
#error "PLL0CFG: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((PLL1CFG_Val), ~0x0000007F))
#error "PLL1CFG: Invalid values of reserved bits!"
#endif
#if ((CCLKCFG_Val != 0) && (((CCLKCFG_Val - 1) % 2)))
#error "CCLKCFG: CCLKSEL field does not contain only odd values or 0!"
#endif
#if (CHECK_RSVD((USBCLKCFG_Val), ~0x0000000F))
#error "USBCLKCFG: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((PCLKSEL0_Val), 0x000C0C00))
#error "PCLKSEL0: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((PCLKSEL1_Val), 0x03000300))
#error "PCLKSEL1: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((PCONP_Val), 0x10100821))
#error "PCONP: Invalid values of reserved bits!"
#endif
#if (CHECK_RSVD((CLKOUTCFG_Val), ~0x000001FF))
#error "CLKOUTCFG: Invalid values of reserved bits!"
#endif
/* Flash Accelerator Configuration -------------------------------------------*/
#if (CHECK_RSVD((FLASHCFG_Val), ~0x0000F07F))
#error "FLASHCFG: Invalid values of reserved bits!"
#endif
/*----------------------------------------------------------------------------
DEFINES
*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
Define clocks
*----------------------------------------------------------------------------*/
#define XTAL (12000000UL) /* Oscillator frequency */
#define OSC_CLK ( XTAL) /* Main oscillator frequency */
#define RTC_CLK ( 32000UL) /* RTC oscillator frequency */
#define IRC_OSC ( 4000000UL) /* Internal RC oscillator frequency */
/*----------------------------------------------------------------------------
Clock Variable definitions
*----------------------------------------------------------------------------*/
uint32_t SystemFrequency = IRC_OSC; /*!< System Clock Frequency (Core Clock) */
/**
* Initialize the system
*
* @param none
* @return none
*
* @brief Setup the microcontroller system.
* Initialize the System and update the SystemFrequency variable.
*/
void SystemInit (void)
{
#if (CLOCK_SETUP) /* Clock Setup */
LPC_SC->SCS = SCS_Val;
if (SCS_Val & (1 << 5)) { /* If Main Oscillator is enabled */
while ((LPC_SC->SCS & (1<<6)) == 0);/* Wait for Oscillator to be ready */
}
LPC_SC->CCLKCFG = CCLKCFG_Val; /* Setup Clock Divider */
LPC_SC->PCLKSEL0 = PCLKSEL0_Val; /* Peripheral Clock Selection */
LPC_SC->PCLKSEL1 = PCLKSEL1_Val;
#if (PLL0_SETUP)
LPC_SC->CLKSRCSEL = CLKSRCSEL_Val; /* Select Clock Source for PLL0 */
LPC_SC->PLL0CFG = PLL0CFG_Val;
LPC_SC->PLL0CON = 0x01; /* PLL0 Enable */
LPC_SC->PLL0FEED = 0xAA;
LPC_SC->PLL0FEED = 0x55;
while (!(LPC_SC->PLL0STAT & (1<<26)));/* Wait for PLOCK0 */
LPC_SC->PLL0CON = 0x03; /* PLL0 Enable & Connect */
LPC_SC->PLL0FEED = 0xAA;
LPC_SC->PLL0FEED = 0x55;
#endif
#if (PLL1_SETUP)
LPC_SC->PLL1CFG = PLL1CFG_Val;
LPC_SC->PLL1CON = 0x01; /* PLL1 Enable */
LPC_SC->PLL1FEED = 0xAA;
LPC_SC->PLL1FEED = 0x55;
while (!(LPC_SC->PLL1STAT & (1<<10)));/* Wait for PLOCK1 */
LPC_SC->PLL1CON = 0x03; /* PLL1 Enable & Connect */
LPC_SC->PLL1FEED = 0xAA;
LPC_SC->PLL1FEED = 0x55;
#else
LPC_SC->USBCLKCFG = USBCLKCFG_Val; /* Setup USB Clock Divider */
#endif
LPC_SC->PCONP = PCONP_Val; /* Power Control for Peripherals */
LPC_SC->CLKOUTCFG = CLKOUTCFG_Val; /* Clock Output Configuration */
#endif
/* Determine clock frequency according to clock register values */
if (((LPC_SC->PLL0STAT >> 24)&3)==3) {/* If PLL0 enabled and connected */
switch (LPC_SC->CLKSRCSEL & 0x03) {
case 0: /* Internal RC oscillator => PLL0 */
case 3: /* Reserved, default to Internal RC */
SystemFrequency = (IRC_OSC *
(((2 * ((LPC_SC->PLL0STAT & 0x7FFF) + 1))) /
(((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1)) /
((LPC_SC->CCLKCFG & 0xFF)+ 1));
break;
case 1: /* Main oscillator => PLL0 */
SystemFrequency = (OSC_CLK *
(((2 * ((LPC_SC->PLL0STAT & 0x7FFF) + 1))) /
(((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1)) /
((LPC_SC->CCLKCFG & 0xFF)+ 1));
break;
case 2: /* RTC oscillator => PLL0 */
SystemFrequency = (RTC_CLK *
(((2 * ((LPC_SC->PLL0STAT & 0x7FFF) + 1))) /
(((LPC_SC->PLL0STAT >> 16) & 0xFF) + 1)) /
((LPC_SC->CCLKCFG & 0xFF)+ 1));
break;
}
} else {
switch (LPC_SC->CLKSRCSEL & 0x03) {
case 0: /* Internal RC oscillator => PLL0 */
case 3: /* Reserved, default to Internal RC */
SystemFrequency = IRC_OSC / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
break;
case 1: /* Main oscillator => PLL0 */
SystemFrequency = OSC_CLK / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
break;
case 2: /* RTC oscillator => PLL0 */
SystemFrequency = RTC_CLK / ((LPC_SC->CCLKCFG & 0xFF)+ 1);
break;
}
}
#if (FLASH_SETUP == 1) /* Flash Accelerator Setup */
LPC_SC->FLASHCFG = FLASHCFG_Val;
#endif
}
/******************************************************************************
* @file: system_LPC17xx.h
* @purpose: CMSIS Cortex-M3 Device Peripheral Access Layer Header File
* for the NXP LPC17xx Device Series
* @version: V1.01
* @date: 22. Jul. 2009
*----------------------------------------------------------------------------
*
* Copyright (C) 2009 ARM Limited. All rights reserved.
*
* ARM Limited (ARM) is supplying this software for use with Cortex-M3
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#ifndef __SYSTEM_LPC17xx_H
#define __SYSTEM_LPC17xx_H
#ifdef __cplusplus
extern "C" {
#endif
extern uint32_t SystemFrequency; /*!< System Clock Frequency (Core Clock) */
/**
* Initialize the system
*
* @param none
* @return none
*
* @brief Setup the microcontroller system.
* Initialize the System and update the SystemFrequency variable.
*/
extern void SystemInit (void);
#ifdef __cplusplus
}
#endif
#endif /* __SYSTEM_LPC17xx_H */
/*****************************************************************************
* type.h: Type definition Header file for NXP LPC17xx Family
* Microprocessors
*
* Copyright(C) 2009, NXP Semiconductor
* All rights reserved.
*
* History
* 2009.05.25 ver 1.00 Prelimnary version, first Release
*
******************************************************************************/
#include <stdint.h>
#ifndef __TYPE_H__
#define __TYPE_H__
#ifndef NULL
#define NULL ((void *)0)
#endif
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (1)
#endif
typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus;
typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
#endif /* __TYPE_H__ */
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