add gd32f450 bsp

bsp/gd32450z-eval/Libraries/CMSIS/GD/GD32F4xx/Include/gd32f4xx.h

+/*!
+    \file  gd32f4xx.h
+    \brief general definitions for GD32F4xx
+*/
+
+/*
+    Copyright (C) 2016 GigaDevice
+
+    2016-08-15, V1.0.0, firmware update for GD32F4xx
+*/
+
+#ifndef GD32F4XX_H
+#define GD32F4XX_H
+
+#ifdef cplusplus
+ extern "C" {
+#endif 
+
+/* define GD32F4xx */
+#if !defined (GD32F4xx)
+  #define GD32F4xx
+#endif /* define GD32F4xx */
+#if !defined (GD32F4xx)
+ #error "Please select the target GD32F4xx device used in your application (in gd32f4xx.h file)"
+#endif /* undefine GD32F4xx tip */
+
+/* define value of high speed crystal oscillator (HXTAL) in Hz */
+#if !defined  (HXTAL_VALUE)
+#define HXTAL_VALUE    ((uint32_t)25000000)
+#endif /* high speed crystal oscillator value */
+
+/* define startup timeout value of high speed crystal oscillator (HXTAL) */
+#if !defined  (HXTAL_STARTUP_TIMEOUT)
+#define HXTAL_STARTUP_TIMEOUT   ((uint16_t)0x0800)
+#endif /* high speed crystal oscillator startup timeout */
+
+/* define value of internal 16MHz RC oscillator (IRC16M) in Hz */
+#if !defined  (IRC16M_VALUE) 
+#define IRC16M_VALUE  ((uint32_t)16000000)
+#endif /* internal 16MHz RC oscillator value */
+
+/* define startup timeout value of internal 16MHz RC oscillator (IRC16M) */
+#if !defined  (IRC16M_STARTUP_TIMEOUT)
+#define IRC16M_STARTUP_TIMEOUT   ((uint16_t)0x0500)
+#endif /* internal 16MHz RC oscillator startup timeout */
+
+/* define value of internal 32KHz RC oscillator(IRC32K) in Hz */
+#if !defined  (IRC32K_VALUE) 
+#define IRC32K_VALUE  ((uint32_t)32000)
+#endif /* internal 32KHz RC oscillator value */
+
+/* define value of low speed crystal oscillator (LXTAL)in Hz */
+#if !defined  (LXTAL_VALUE) 
+#define LXTAL_VALUE  ((uint32_t)32768)
+#endif /* low speed crystal oscillator value */
+
+/* I2S external clock in selection */
+//#define I2S_EXTERNAL_CLOCK_IN          (uint32_t)12288000U
+
+/* GD32F4xx firmware library version number V1.0 */
+#define __GD32F4xx_STDPERIPH_VERSION_MAIN   (0x03) /*!< [31:24] main version     */
+#define __GD32F4xx_STDPERIPH_VERSION_SUB1   (0x00) /*!< [23:16] sub1 version     */
+#define __GD32F4xx_STDPERIPH_VERSION_SUB2   (0x00) /*!< [15:8]  sub2 version     */
+#define __GD32F4xx_STDPERIPH_VERSION_RC     (0x00) /*!< [7:0]  release candidate */ 
+#define __GD32F4xx_STDPERIPH_VERSION        ((__GD32F4xx_STDPERIPH_VERSION_MAIN << 24)\
+                                            |(__GD32F4xx_STDPERIPH_VERSION_SUB1 << 16)\
+                                            |(__GD32F4xx_STDPERIPH_VERSION_SUB2 << 8)\
+                                            |(__GD32F4xx_STDPERIPH_VERSION_RC))
+
+/* configuration of the Cortex-M4 processor and core peripherals */
+#define __CM4_REV                 0x0001   /*!< Core revision r0p1                                       */
+#define __MPU_PRESENT             1        /*!< GD32F4xx do not provide MPU                              */
+#define __NVIC_PRIO_BITS          4        /*!< GD32F4xx uses 4 bits for the priority levels             */
+#define __VENDOR_SYSTICKCONFIG    0        /*!< set to 1 if different sysTick config is used             */
+#define __FPU_PRESENT             1        /*!< FPU present                                              */
+/* define interrupt number */
+typedef enum IRQn
+{
+    /* Cortex-M4 processor exceptions numbers */
+    NonMaskableInt_IRQn          = -14,    /*!< 2 non maskable interrupt                                 */
+    MemoryManagement_IRQn        = -12,    /*!< 4 Cortex-M4 memory management interrupt                  */
+    BusFault_IRQn                = -11,    /*!< 5 Cortex-M4 bus fault interrupt                          */
+    UsageFault_IRQn              = -10,    /*!< 6 Cortex-M4 usage fault interrupt                        */
+    SVCall_IRQn                  = -5,     /*!< 11 Cortex-M4 SV call interrupt                           */
+    DebugMonitor_IRQn            = -4,     /*!< 12 Cortex-M4 debug monitor interrupt                     */
+    PendSV_IRQn                  = -2,     /*!< 14 Cortex-M4 pend SV interrupt                           */
+    SysTick_IRQn                 = -1,     /*!< 15 Cortex-M4 system tick interrupt                       */
+    /* interruput numbers */
+    WWDGT_IRQn                   = 0,      /*!< window watchDog timer interrupt                          */
+    LVD_IRQn                     = 1,      /*!< LVD through EXTI line detect interrupt                   */
+    TAMPER_STAMP_IRQn            = 2,      /*!< Tamper and TimeStamp through EXTI Line detect            */
+    RTC_WKUP_IRQn                = 3,      /*!< RTC Wakeup through EXTI line interrupt                   */
+    FMC_IRQn                     = 4,      /*!< FMC interrupt                                            */
+    RCU_CTC_IRQn                 = 5,      /*!< RCU and CTC interrupt                                    */
+    EXTI0_IRQn                   = 6,      /*!< EXTI line 0 interrupts                                   */
+    EXTI1_IRQn                   = 7,      /*!< EXTI line 1 interrupts                                   */
+    EXTI2_IRQn                   = 8,      /*!< EXTI line 2 interrupts                                   */
+    EXTI3_IRQn                   = 9,      /*!< EXTI line 3 interrupts                                   */
+    EXTI4_IRQn                   = 10,     /*!< EXTI line 4 interrupts                                   */
+    DMA0_Channel0_IRQn           = 11,     /*!< DMA0 Channel0 Interrupt                                  */
+    DMA0_Channel1_IRQn           = 12,     /*!< DMA0 Channel1 Interrupt                                  */
+    DMA0_Channel2_IRQn           = 13,     /*!< DMA0 Channel2 Interrupt                                  */
+    DMA0_Channel3_IRQn           = 14,     /*!< DMA0 Channel3 Interrupt                                  */
+    DMA0_Channel4_IRQn           = 15,     /*!< DMA0 Channel4 Interrupt                                  */
+    DMA0_Channel5_IRQn           = 16,     /*!< DMA0 Channel5 Interrupt                                  */
+    DMA0_Channel6_IRQn           = 17,     /*!< DMA0 Channel6 Interrupt                                  */
+    ADC_IRQn                     = 18,     /*!< ADC interrupt                                            */
+    CAN0_TX_IRQn                 = 19,     /*!< CAN0 TX interrupts                                       */
+    CAN0_RX0_IRQn                = 20,     /*!< CAN0 RX0 interrupts                                      */
+    CAN0_RX1_IRQn                = 21,     /*!< CAN0 RX1 interrupts                                      */
+    CAN0_EWMC_IRQn                = 22,    /*!< CAN0 EWMC interrupts                                     */
+    EXTI5_9_IRQn                 = 23,     /*!< EXTI[9:5] interrupts                                     */
+    TIMER0_BRK_TIMER8_IRQn       = 24,     /*!< TIMER0 Break and TIMER8 interrupts                       */
+    TIMER0_UP_TIMER9_IRQn        = 25,     /*!< TIMER0 Update and TIMER9 interrupts                      */
+    TIMER0_TRG_CMT_TIMER10_IRQn  = 26,     /*!< TIMER0 Trigger and Commutation  and TIMER10 interrupts   */
+    TIMER0_CC_IRQn               = 27,     /*!< TIMER0 Capture Compare interrupts                        */
+    TIMER1_IRQn                  = 28,     /*!< TIMER1 interrupt                                         */
+    TIMER2_IRQn                  = 29,     /*!< TIMER2 interrupt                                         */
+    TIMER3_IRQn                  = 30,     /*!< TIMER3 interrupts                                        */
+    I2C0_EV_IRQn                 = 31,     /*!< I2C0 event interrupt                                     */
+    I2C0_ER_IRQn                 = 32,     /*!< I2C0 error interrupt                                     */
+    I2C1_EV_IRQn                 = 33,     /*!< I2C1 event interrupt                                     */
+    I2C1_ER_IRQn                 = 34,     /*!< I2C1 error interrupt                                     */
+    SPI0_IRQn                    = 35,     /*!< SPI0 interrupt                                           */
+    SPI1_IRQn                    = 36,     /*!< SPI1 interrupt                                           */
+    USART0_IRQn                  = 37,     /*!< USART0 interrupt                                         */
+    USART1_IRQn                  = 38,     /*!< USART1 interrupt                                         */
+    USART2_IRQn                  = 39,     /*!< USART2 interrupt                                         */
+    EXTI10_15_IRQn               = 40,     /*!< EXTI[15:10] interrupts                                   */
+    RTC_Alarm_IRQn               = 41,     /*!< RTC Alarm interrupt                                      */
+    USBFS_WKUP_IRQn              = 42,     /*!< USBFS Wakeup interrupt                                   */
+    TIMER7_BRK_TIMER11_IRQn      = 43,     /*!< TIMER7 Break and TIMER11 interrupts                      */
+    TIMER7_UP_TIMER12_IRQn       = 44,     /*!< TIMER7 Update and TIMER12 interrupts                     */
+    TIMER7_TRG_CMT_TIMER13_IRQn  = 45,     /*!< TIMER7 Trigger and Commutation and TIMER13 interrupts    */
+    TIMER7_CC_IRQn               = 46,     /*!< TIMER7 Capture Compare interrupts                        */
+    DMA0_Channel7_IRQn           = 47,     /*!< DMA0 Channel7 Interrupt                                  */
+    EXMC_IRQn                    = 48,     /*!< EXMC Interrupt                                           */
+    SDIO_IRQn                    = 49,     /*!< SDIO Interrupt                                           */
+    TIMER4_IRQn                  = 50,     /*!< TIMER4 Interrupt                                         */
+    SPI2_IRQn                    = 51,     /*!< SPI2 Interrupt                                           */
+    UART3_IRQn                   = 52,     /*!< UART3 Interrupt                                          */
+    UART4_IRQn                   = 53,     /*!< UART4 Interrupt                                          */
+    TIMER5_DAC_IRQn              = 54,     /*!< TIMER5 and DAC0 DAC1 Underrun error Interrupt            */
+    TIMER6_IRQn                  = 55,     /*!< TIMER6 Interrupt                                         */
+    DMA1_Channel0_IRQn           = 56,     /*!< DMA1 Channel0 Interrupt                                  */
+    DMA1_Channel1_IRQn           = 57,     /*!< DMA1 Channel1 Interrupt                                  */
+    DMA1_Channel2_IRQn           = 58,     /*!< DMA1 Channel2 Interrupt                                  */
+    DMA1_Channel3_IRQn           = 59,     /*!< DMA1 Channel3 Interrupt                                  */
+    DMA1_Channel4_IRQn           = 60,     /*!< DMA1 Channel4 Interrupt                                  */
+    ENET_IRQn                    = 61,     /*!< Ethernet Interrupt                                       */
+    ENET_WKUP_IRQn               = 62,     /*!< Ethernet Wakeup through EXTI Line Interrupt              */
+    CAN1_TX_IRQn                 = 63,     /*!< CAN1 TX Interrupt                                        */
+    CAN1_RX0_IRQn                = 64,     /*!< CAN1 RX0 Interrupt                                       */
+    CAN1_RX1_IRQn                = 65,     /*!< CAN1 RX1 Interrupt                                       */
+    CAN1_EWMC_IRQn                = 66,    /*!< CAN1 EWMC Interrupt                                      */
+    USBFS_IRQn                   = 67,     /*!< USBFS Interrupt                                          */
+    DMA1_Channel5_IRQn           = 68,     /*!< DMA1 Channel5 Interrupt                                  */
+    DMA1_Channel6_IRQn           = 69,     /*!< DMA1 Channel6 Interrupt                                  */
+    DMA1_Channel7_IRQn           = 70,     /*!< DMA1 Channel7 Interrupt                                  */
+    USART5_IRQn                  = 71,     /*!< USART5 Interrupt                                         */
+    I2C2_EV_IRQn                 = 72,     /*!< I2C2 Event Interrupt                                     */
+    I2C2_ER_IRQn                 = 73,     /*!< I2C2 Error Interrupt                                     */
+    USBHS_EP1_Out_IRQn           = 74,     /*!< USBHS Endpoint 1 Out Interrupt                           */
+    USBHS_EP1_In_IRQn            = 75,     /*!< USBHS Endpoint 1 in Interrupt                            */
+    USBHS_WKUP_IRQn              = 76,     /*!< USBHS Wakeup through EXTI Line Interrupt                 */
+    USBHS_IRQn                   = 77,     /*!< USBHS Interrupt                                          */
+    DCI_IRQn                     = 78,     /*!< DCI Interrupt                                            */
+    TRNG_IRQn                    = 80,     /*!< TRNG Interrupt                                           */
+    FPU_IRQn                     = 81,     /*!< FPU Interrupt                                            */
+    UART6_IRQn                   = 82,     /*!< UART6 Interrupt                                          */
+    UART7_IRQn                   = 83,     /*!< UART7 Interrupt                                          */
+    SPI3_IRQn                    = 84,     /*!< SPI3 Interrupt                                           */
+    SPI4_IRQn                    = 85,     /*!< SPI4 Interrupt                                           */
+    SPI5_IRQn                    = 86,     /*!< SPI5 Interrupt                                           */
+    TLI_IRQn                     = 88,     /*!< TLI Interrupt                                            */
+    TLI_ER_IRQn                  = 89,     /*!< TLI Error Interrupt                                      */
+    IPA_IRQn                     = 90,     /*!< IPA Interrupt                                            */
+} IRQn_Type;
+
+/* includes */
+#include "core_cm4.h"
+#include "system_gd32f4xx.h"
+#include <stdint.h>
+
+/* enum definitions */
+typedef enum {DISABLE = 0, ENABLE = !DISABLE} EventStatus, ControlStatus;
+typedef enum {FALSE = 0, TRUE = !FALSE} bool;
+typedef enum {RESET = 0, SET = !RESET} FlagStatus;
+typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrStatus;
+
+/* bit operations */
+#define REG32(addr)                  (*(volatile uint32_t *)(uint32_t)(addr))
+#define REG16(addr)                  (*(volatile uint16_t *)(uint32_t)(addr))
+#define REG8(addr)                   (*(volatile uint8_t *)(uint32_t)(addr))
+#define BIT(x)                       ((uint32_t)((uint32_t)0x01U<<(x)))
+#define BITS(start, end)             ((0xFFFFFFFFUL << (start)) & (0xFFFFFFFFUL >> (31U - (uint32_t)(end)))) 
+#define GET_BITS(regval, start, end) (((regval) & BITS((start),(end))) >> (start))
+
+/* main flash and SRAM memory map */
+#define FLASH_BASE            ((uint32_t)0x08000000U)        /*!< main FLASH base address          */
+#define TCMSRAM_BASE          ((uint32_t)0x10000000U)        /*!< TCMSRAM(64KB) base address       */
+#define OPTION_BASE           ((uint32_t)0x1FFEC000U)        /*!< Option bytes base address        */
+#define SRAM_BASE             ((uint32_t)0x20000000U)        /*!< SRAM0 base address               */
+
+/* peripheral memory map */
+#define APB1_BUS_BASE         ((uint32_t)0x40000000U)        /*!< apb1 base address                */
+#define APB2_BUS_BASE         ((uint32_t)0x40010000U)        /*!< apb2 base address                */
+#define AHB1_BUS_BASE         ((uint32_t)0x40020000U)        /*!< ahb1 base address                */
+#define AHB2_BUS_BASE         ((uint32_t)0x50000000U)        /*!< ahb2 base address                */
+
+/* EXMC memory map */
+#define EXMC_BASE             ((uint32_t)0xA0000000U)        /*!< EXMC register base address       */
+
+/* advanced peripheral bus 1 memory map */
+#define TIMER_BASE            (APB1_BUS_BASE + 0x00000000U)  /*!< TIMER base address               */
+#define RTC_BASE              (APB1_BUS_BASE + 0x00002800U)  /*!< RTC base address                 */
+#define WWDGT_BASE            (APB1_BUS_BASE + 0x00002C00U)  /*!< WWDGT base address               */
+#define FWDGT_BASE            (APB1_BUS_BASE + 0x00003000U)  /*!< FWDGT base address               */
+#define I2S_ADD_BASE          (APB1_BUS_BASE + 0x00003400U)  /*!< I2S1_add base address            */
+#define SPI_BASE              (APB1_BUS_BASE + 0x00003800U)  /*!< SPI base address                 */
+#define USART_BASE            (APB1_BUS_BASE + 0x00004400U)  /*!< USART base address               */
+#define I2C_BASE              (APB1_BUS_BASE + 0x00005400U)  /*!< I2C base address                 */
+#define CAN_BASE              (APB1_BUS_BASE + 0x00006400U)  /*!< CAN base address                 */
+#define CTC_BASE              (APB1_BUS_BASE + 0x00006C00U)  /*!< CTC base address                 */
+#define PMU_BASE              (APB1_BUS_BASE + 0x00007000U)  /*!< PMU base address                 */
+#define DAC_BASE              (APB1_BUS_BASE + 0x00007400U)  /*!< DAC base address                 */
+#define IREF_BASE             (APB1_BUS_BASE + 0x0000C400U)  /*!< IREF base address                */
+
+/* advanced peripheral bus 2 memory map */
+#define TLI_BASE              (APB2_BUS_BASE + 0x00006800U)  /*!< TLI base address                 */
+#define SYSCFG_BASE           (APB2_BUS_BASE + 0x00003800U)  /*!< SYSCFG base address              */
+#define EXTI_BASE             (APB2_BUS_BASE + 0x00003C00U)  /*!< EXTI base address                */
+#define SDIO_BASE             (APB2_BUS_BASE + 0x00002C00U)  /*!< SDIO base address                */
+#define ADC_BASE              (APB2_BUS_BASE + 0x00002000U)  /*!< ADC base address                 */
+/* advanced high performance bus 1 memory map */
+#define GPIO_BASE             (AHB1_BUS_BASE + 0x00000000U)  /*!< GPIO base address                */
+#define CRC_BASE              (AHB1_BUS_BASE + 0x00003000U)  /*!< CRC base address                 */
+#define RCU_BASE              (AHB1_BUS_BASE + 0x00003800U)  /*!< RCU base address                 */
+#define FMC_BASE              (AHB1_BUS_BASE + 0x00003C00U)  /*!< FMC base address                 */
+#define BKPSRAM_BASE          (AHB1_BUS_BASE + 0x00004000U)  /*!< BKPSRAM base address             */
+#define DMA_BASE              (AHB1_BUS_BASE + 0x00006000U)  /*!< DMA base address                 */
+#define ENET_BASE             (AHB1_BUS_BASE + 0x00008000U)  /*!< ENET base address                */
+#define IPA_BASE              (AHB1_BUS_BASE + 0x0000B000U)  /*!< IPA base address                 */
+#define USBHS_BASE            (AHB1_BUS_BASE + 0x00020000U)  /*!< USBHS base address               */
+
+/* advanced high performance bus 2 memory map */
+#define USBFS_BASE            (AHB2_BUS_BASE + 0x00000000U)  /*!< USBFS base address               */
+#define DCI_BASE              (AHB2_BUS_BASE + 0x00050000U)  /*!< DCI base address                 */
+#define TRNG_BASE             (AHB2_BUS_BASE + 0x00060800U)  /*!< TRNG base address                */
+/* option byte and debug memory map */
+#define OB_BASE               ((uint32_t)0x1FFEC000U)        /*!< OB base address                  */
+#define DBG_BASE              ((uint32_t)0xE0042000U)        /*!< DBG base address                 */
+
+/* define marco USE_STDPERIPH_DRIVER */
+#if !defined  USE_STDPERIPH_DRIVER
+#define USE_STDPERIPH_DRIVER
+#endif 
+#ifdef USE_STDPERIPH_DRIVER
+#include "gd32f4xx_libopt.h"
+#endif /* USE_STDPERIPH_DRIVER */
+
+#ifdef cplusplus
+}
+#endif
+#endif 

bsp/gd32450z-eval/Libraries/CMSIS/GD/GD32F4xx/Include/system_gd32f4xx.h

+/*!
+    \file  system_gd32f4xx.h
+    \brief CMSIS Cortex-M4 Device Peripheral Access Layer Header File for
+           GD32F4xx Device Series
+*/
+
+/* Copyright (c) 2012 ARM LIMITED
+
+   All rights reserved.
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are met:
+   - Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+   - Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+   - Neither the name of ARM nor the names of its contributors may be used
+     to endorse or promote products derived from this software without
+     specific prior written permission.
+   *
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+   ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
+   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+   POSSIBILITY OF SUCH DAMAGE.
+   ---------------------------------------------------------------------------*/
+
+/* This file refers the CMSIS standard, some adjustments are made according to GigaDevice chips */
+
+#ifndef SYSTEM_GD32F4XX_H
+#define SYSTEM_GD32F4XX_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/* system clock frequency (core clock) */
+extern uint32_t SystemCoreClock;
+
+/* function declarations */
+/* initialize the system and update the SystemCoreClock variable */
+extern void SystemInit (void);
+/* update the SystemCoreClock with current core clock retrieved from cpu registers */
+extern void SystemCoreClockUpdate (void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SYSTEM_GD32F4XX_H */

bsp/gd32450z-eval/Libraries/GD32F4xx_standard_peripheral/Include/gd32f4xx_crc.h

+/*!
+    \file  gd32f4xx_crc.h
+    \brief definitions for the CRC
+*/
+
+/*
+    Copyright (C) 2016 GigaDevice
+
+    2016-08-15, V1.0.0, firmware for GD32F4xx
+*/
+
+#ifndef GD32F4XX_CRC_H
+#define GD32F4XX_CRC_H
+
+#include "gd32f4xx.h"
+
+/* CRC definitions */
+#define CRC                            CRC_BASE
+
+/* registers definitions */
+#define CRC_DATA                       REG32(CRC + 0x00U)              /*!< CRC data register */
+#define CRC_FDATA                      REG32(CRC + 0x04U)              /*!< CRC free data register */
+#define CRC_CTL                        REG32(CRC + 0x08U)              /*!< CRC control register */
+
+/* bits definitions */
+/* CRC_DATA */
+#define CRC_DATA_DATA                  BITS(0,31)                      /*!< CRC calculation result bits */
+
+/* CRC_FDATA */
+#define CRC_FDATA_FDATA                BITS(0,7)                       /*!< CRC free data bits */
+
+/* CRC_CTL */
+#define CRC_CTL_RST                    BIT(0)                          /*!< CRC reset CRC_DATA register bit */
+
+
+/* function declarations */
+/* deinit CRC calculation unit */
+void crc_deinit(void);
+
+/* reset data register to the value of initializaiton data register */
+void crc_data_register_reset(void);
+/* read the data register */
+uint32_t crc_data_register_read(void);
+
+/* read the free data register */
+uint8_t crc_free_data_register_read(void);
+/* write the free data register */
+void crc_free_data_register_write(uint8_t free_data);
+
+/* CRC calculate a 32-bit data */
+uint32_t crc_single_data_calculate(uint32_t sdata);
+/* CRC calculate a 32-bit data array */
+uint32_t crc_block_data_calculate(uint32_t array[], uint32_t size);
+
+#endif /* GD32F4XX_CRC_H */

bsp/gd32450z-eval/Libraries/GD32F4xx_standard_peripheral/Include/gd32f4xx_dbg.h

+/*!
+    \file  gd32f4xx_dbg.h
+    \brief definitions for the DBG
+*/
+
+/*
+    Copyright (C) 2016 GigaDevice
+
+    2016-08-15, V1.0.0, firmware for GD32F4xx
+*/
+
+#ifndef GD32F4XX_DBG_H
+#define GD32F4XX_DBG_H
+
+#include "gd32f4xx.h"
+
+/* DBG definitions */
+#define DBG                      DBG_BASE
+
+/* registers definitions */
+#define DBG_ID                   REG32(DBG + 0x00U)         /*!< DBG_ID code register */
+#define DBG_CTL0                 REG32(DBG + 0x04U)         /*!< DBG control register 0 */
+#define DBG_CTL1                 REG32(DBG + 0x08U)         /*!< DBG control register 1 */
+#define DBG_CTL2                 REG32(DBG + 0x0CU)         /*!< DBG control register 2 */
+
+/* bits definitions */
+/* DBG_ID */
+#define DBG_ID_ID_CODE           BITS(0,31)                 /*!< DBG ID code values */
+
+/* DBG_CTL0 */
+#define DBG_CTL0_SLP_HOLD        BIT(0)                     /*!< keep debugger connection during sleep mode */
+#define DBG_CTL0_DSLP_HOLD       BIT(1)                     /*!< keep debugger connection during deepsleep mode */
+#define DBG_CTL0_STB_HOLD        BIT(2)                     /*!< keep debugger connection during standby mode */
+#define DBG_CTL0_TRACE_IOEN      BIT(5)                     /*!< enable trace pin assignment */
+#define DBG_CTL0_TRACE_MODE      BITS(6,7)                  /*!< trace pin mode selection */
+
+/* DBG_CTL1 */
+#define DBG_CTL1_TIMER1_HOLD     BIT(0)                     /*!< hold TIMER1 counter when core is halted */
+#define DBG_CTL1_TIMER2_HOLD     BIT(1)                     /*!< hold TIMER2 counter when core is halted */
+#define DBG_CTL1_TIMER3_HOLD     BIT(2)                     /*!< hold TIMER3 counter when core is halted */
+#define DBG_CTL1_TIMER4_HOLD     BIT(3)                     /*!< hold TIMER4 counter when core is halted */
+#define DBG_CTL1_TIMER5_HOLD     BIT(4)                     /*!< hold TIMER5 counter when core is halted */
+#define DBG_CTL1_TIMER6_HOLD     BIT(5)                     /*!< hold TIMER6 counter when core is halted */
+#define DBG_CTL1_TIMER11_HOLD    BIT(6)                     /*!< hold TIMER11 counter when core is halted */
+#define DBG_CTL1_TIMER12_HOLD    BIT(7)                     /*!< hold TIMER12 counter when core is halted */
+#define DBG_CTL1_TIMER13_HOLD    BIT(8)                     /*!< hold TIMER13 counter when core is halted */
+#define DBG_CTL1_RTC_HOLD        BIT(10)                    /*!< hold RTC calendar and wakeup counter when core is halted */
+#define DBG_CTL1_WWDGT_HOLD      BIT(11)                    /*!< debug WWDGT kept when core is halted */
+#define DBG_CTL1_FWDGT_HOLD      BIT(12)                    /*!< debug FWDGT kept when core is halted */
+#define DBG_CTL1_I2C0_HOLD       BIT(21)                    /*!< hold I2C0 smbus when core is halted */
+#define DBG_CTL1_I2C1_HOLD       BIT(22)                    /*!< hold I2C1 smbus when core is halted */
+#define DBG_CTL1_I2C2_HOLD       BIT(23)                    /*!< hold I2C2 smbus when core is halted */
+#define DBG_CTL1_CAN0_HOLD       BIT(25)                    /*!< debug CAN0 kept when core is halted */
+#define DBG_CTL1_CAN1_HOLD       BIT(26)                    /*!< debug CAN1 kept when core is halted */
+
+/* DBG_CTL2 */
+#define DBG_CTL2_TIMER0_HOLD     BIT(0)                     /*!< hold TIMER0 counter when core is halted */
+#define DBG_CTL2_TIMER7_HOLD     BIT(1)                     /*!< hold TIMER7 counter when core is halted */
+#define DBG_CTL2_TIMER8_HOLD     BIT(16)                    /*!< hold TIMER8 counter when core is halted */
+#define DBG_CTL2_TIMER9_HOLD     BIT(17)                    /*!< hold TIMER9 counter when core is halted */
+#define DBG_CTL2_TIMER10_HOLD    BIT(18)                    /*!< hold TIMER10 counter when core is halted */
+
+/* constants definitions */
+#define DBG_LOW_POWER_SLEEP      DBG_CTL0_SLP_HOLD          /*!< keep debugger connection during sleep mode */
+#define DBG_LOW_POWER_DEEPSLEEP  DBG_CTL0_DSLP_HOLD         /*!< keep debugger connection during deepsleep mode */
+#define DBG_LOW_POWER_STANDBY    DBG_CTL0_STB_HOLD          /*!< keep debugger connection during standby mode */
+
+typedef enum
+{
+    DBG_TIMER1_HOLD            = BIT(0),                    /*!< hold TIMER1 counter when core is halted */
+    DBG_TIMER2_HOLD            = BIT(1),                    /*!< hold TIMER2 counter when core is halted */
+    DBG_TIMER3_HOLD            = BIT(2),                    /*!< hold TIMER3 counter when core is halted */
+    DBG_TIMER4_HOLD            = BIT(3),                    /*!< hold TIMER4 counter when core is halted */
+    DBG_TIMER5_HOLD            = BIT(4),                    /*!< hold TIMER5 counter when core is halted */
+    DBG_TIMER6_HOLD            = BIT(5),                    /*!< hold TIMER6 counter when core is halted */
+    DBG_TIMER11_HOLD           = BIT(6),                    /*!< hold TIMER11 counter when core is halted */
+    DBG_TIMER12_HOLD           = BIT(7),                    /*!< hold TIMER12 counter when core is halted */
+    DBG_TIMER13_HOLD           = BIT(8),                    /*!< hold TIMER13 counter when core is halted */
+    DBG_RTC_HOLD               = BIT(10),                   /*!< hold RTC calendar and wakeup counter when core is halted */
+    DBG_WWDGT_HOLD             = BIT(11),                   /*!< debug WWDGT kept when core is halted */
+    DBG_FWDGT_HOLD             = BIT(12),                   /*!< debug FWDGT kept when core is halted */
+    DBG_I2C0_HOLD              = BIT(21),                   /*!< hold I2C0 smbus when core is halted */
+    DBG_I2C1_HOLD              = BIT(22),                   /*!< hold I2C1 smbus when core is halted */
+    DBG_I2C2_HOLD              = BIT(23),                   /*!< hold I2C2 smbus when core is halted */
+    DBG_CAN0_HOLD              = BIT(25),                   /*!< debug CAN0 kept when core is halted */
+    DBG_CAN1_HOLD              = BIT(26),                   /*!< debug CAN1 kept when core is halted */
+    DBG_TIMER0_HOLD            = (BIT(0) | BIT(30)),        /*!< hold TIMER0 counter when core is halted */
+    DBG_TIMER7_HOLD            = (BIT(1) | BIT(30)),        /*!< hold TIMER7 counter when core is halted */
+    DBG_TIMER8_HOLD            = (BIT(16) | BIT(30)),       /*!< hold TIMER8 counter when core is halted */
+    DBG_TIMER9_HOLD            = (BIT(17) | BIT(30)),       /*!< hold TIMER9 counter when core is halted */
+    DBG_TIMER10_HOLD           = (BIT(18) | BIT(30)),       /*!< hold TIMER10 counter when core is halted */
+}dbg_periph_enum;
+
+#define CTL0_TRACE_MODE(regval)       (BITS(6,7)&((uint32_t)(regval)<<6))
+#define TRACE_MODE_ASYNC              CTL0_TRACE_MODE(0)    /*!< trace pin used for async mode */
+#define TRACE_MODE_SYNC_DATASIZE_1    CTL0_TRACE_MODE(1)    /*!< trace pin used for sync mode and data size is 1 */
+#define TRACE_MODE_SYNC_DATASIZE_2    CTL0_TRACE_MODE(2)    /*!< trace pin used for sync mode and data size is 2 */
+#define TRACE_MODE_SYNC_DATASIZE_4    CTL0_TRACE_MODE(3)    /*!< trace pin used for sync mode and data size is 4 */
+
+/* function declarations */
+/* read DBG_ID code register */
+uint32_t dbg_id_get(void);
+
+/* enable low power behavior when the MCU is in debug mode */
+void dbg_low_power_enable(uint32_t dbg_low_power);
+/* disable low power behavior when the MCU is in debug mode */
+void dbg_low_power_disable(uint32_t dbg_low_power);
+
+/* enable peripheral behavior when the MCU is in debug mode */
+void dbg_periph_enable(dbg_periph_enum dbg_periph);
+/* disable peripheral behavior when the MCU is in debug mode */
+void dbg_periph_disable(dbg_periph_enum dbg_periph);
+
+/* enable trace pin assignment */
+void dbg_trace_pin_enable(void);
+/* disable trace pin assignment */
+void dbg_trace_pin_disable(void);
+/* set trace pin mode */
+void dbg_trace_pin_mode_set(uint32_t trace_mode);
+
+#endif /* GD32F4XX_DBG_H */