n32g45x_gpio.c

/*****************************************************************************
 * Copyright (c) 2019, Nations Technologies Inc.
 *
 * 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 disclaimer below.
 *
 * Nations' name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY NATIONS "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL NATIONS 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.
 * ****************************************************************************/

/**
 * @file n32g45x_gpio.c
 * @author Nations
 * @version v1.0.2
 *
 * @copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved.
 */
#include "n32g45x_gpio.h"
#include "n32g45x_rcc.h"

/** @addtogroup N32G45X_StdPeriph_Driver
 * @{
 */

/** @addtogroup GPIO
 * @brief GPIO driver modules
 * @{
 */

/** @addtogroup GPIO_Private_TypesDefinitions
 * @{
 */

/**
 * @}
 */

/** @addtogroup GPIO_Private_Defines
 * @{
 */

/* ------------ RCC registers bit address in the alias region ----------------*/
#define AFIO_OFFSET (AFIO_BASE - PERIPH_BASE)

/* --- Event control register -----*/

/* Alias word address of EVOE bit */
#define EVCR_OFFSET    (AFIO_OFFSET + 0x00)
#define EVOE_BitNumber ((uint8_t)0x07)
#define EVCR_EVOE_BB   (PERIPH_BB_BASE + (EVCR_OFFSET * 32) + (EVOE_BitNumber * 4))

/* ---  RMP_CFG Register ---*/
/* Alias word address of MII_RMII_SEL bit */
#define MAPR_OFFSET            (AFIO_OFFSET + 0x04)
#define MII_RMII_SEL_BitNumber ((u8)0x17)
#define MAPR_MII_RMII_SEL_BB   (PERIPH_BB_BASE + (MAPR_OFFSET * 32) + (MII_RMII_SEL_BitNumber * 4))

#define EVCR_PORTPINCONFIG_MASK    ((uint16_t)0xFF80)
#define LSB_MASK                   ((uint16_t)0xFFFF)
#define DBGAFR_POSITION_MASK       ((uint32_t)0x000F0000)
#define DBGAFR_SWJCFG_MASK         ((uint32_t)0xF0FFFFFF)
#define DBGAFR_LOCATION_MASK       ((uint32_t)0x00200000)
#define DBGAFR_NUMBITS_MASK        ((uint32_t)0x00100000)
#define DBGAFR_NUMBITS_MAPR3_MASK  ((uint32_t)0x40000000)
#define DBGAFR_NUMBITS_MAPR4_MASK  ((uint32_t)0x20000000)
#define DBGAFR_NUMBITS_MAPR5_MASK  ((uint32_t)0x10000000)
#define DBGAFR_NUMBITS_SPI1_MASK   ((uint32_t)0x01000000)
#define DBGAFR_NUMBITS_USART2_MASK ((uint32_t)0x04000000)

/**
 * @}
 */

/** @addtogroup GPIO_Private_Macros
 * @{
 */

/**
 * @}
 */

/** @addtogroup GPIO_Private_Variables
 * @{
 */

/**
 * @}
 */

/** @addtogroup GPIO_Private_FunctionPrototypes
 * @{
 */

/**
 * @}
 */

/** @addtogroup GPIO_Private_Functions
 * @{
 */

/**
 * @brief  Deinitializes the GPIOx peripheral registers to their default reset values.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 */
void GPIO_DeInit(GPIO_Module* GPIOx)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));

    if (GPIOx == GPIOA)
    {
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOA, ENABLE);
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOA, DISABLE);
    }
    else if (GPIOx == GPIOB)
    {
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOB, ENABLE);
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOB, DISABLE);
    }
    else if (GPIOx == GPIOC)
    {
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOC, ENABLE);
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOC, DISABLE);
    }
    else if (GPIOx == GPIOD)
    {
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOD, ENABLE);
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOD, DISABLE);
    }
    else if (GPIOx == GPIOE)
    {
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOE, ENABLE);
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOE, DISABLE);
    }
    else if (GPIOx == GPIOF)
    {
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOF, ENABLE);
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOF, DISABLE);
    }
    else if (GPIOx == GPIOG)
    {
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOG, ENABLE);
        RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_GPIOG, DISABLE);
    }
    else
    {
    }
}

/**
 * @brief  Deinitializes the Alternate Functions (remap, event control
 *   and EXTI configuration) registers to their default reset values.
 */
void GPIO_AFIOInitDefault(void)
{
    RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_AFIO, ENABLE);
    RCC_EnableAPB2PeriphReset(RCC_APB2_PERIPH_AFIO, DISABLE);
}

/**
 * @brief  Initializes the GPIOx peripheral according to the specified
 *         parameters in the GPIO_InitStruct.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @param GPIO_InitStruct pointer to a GPIO_InitType structure that
 *         contains the configuration information for the specified GPIO peripheral.
 */
void GPIO_InitPeripheral(GPIO_Module* GPIOx, GPIO_InitType* GPIO_InitStruct)
{
    uint32_t currentmode = 0x00, currentpin = 0x00, pinpos = 0x00, pos = 0x00;
    uint32_t tmpregister = 0x00, pinmask = 0x00;
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    assert_param(IS_GPIO_MODE(GPIO_InitStruct->GPIO_Mode));
    assert_param(IS_GPIO_PIN(GPIO_InitStruct->Pin));

    /*---------------------------- GPIO Mode Configuration -----------------------*/
    currentmode = ((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x0F);
    if ((((uint32_t)GPIO_InitStruct->GPIO_Mode) & ((uint32_t)0x10)) != 0x00)
    {
        /* Check the parameters */
        assert_param(IS_GPIO_SPEED(GPIO_InitStruct->GPIO_Speed));
        /* Output mode */
        currentmode |= (uint32_t)GPIO_InitStruct->GPIO_Speed;
    }
    /*---------------------------- GPIO PL_CFG Configuration ------------------------*/
    /* Configure the eight low port pins */
    if (((uint32_t)GPIO_InitStruct->Pin & ((uint32_t)0x00FF)) != 0x00)
    {
        tmpregister = GPIOx->PL_CFG;
        for (pinpos = 0x00; pinpos < 0x08; pinpos++)
        {
            pos = ((uint32_t)0x01) << pinpos;
            /* Get the port pins position */
            currentpin = (GPIO_InitStruct->Pin) & pos;
            if (currentpin == pos)
            {
                pos = pinpos << 2;
                /* Clear the corresponding low control register bits */
                pinmask = ((uint32_t)0x0F) << pos;
                tmpregister &= ~pinmask;
                /* Write the mode configuration in the corresponding bits */
                tmpregister |= (currentmode << pos);
                /* Reset the corresponding POD bit */
                if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
                {
                    GPIOx->PBC = (((uint32_t)0x01) << pinpos);
                }
                else
                {
                    /* Set the corresponding POD bit */
                    if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
                    {
                        GPIOx->PBSC = (((uint32_t)0x01) << pinpos);
                    }
                }
            }
        }
        GPIOx->PL_CFG = tmpregister;
    }
    /*---------------------------- GPIO PH_CFG Configuration ------------------------*/
    /* Configure the eight high port pins */
    if (GPIO_InitStruct->Pin > 0x00FF)
    {
        tmpregister = GPIOx->PH_CFG;
        for (pinpos = 0x00; pinpos < 0x08; pinpos++)
        {
            pos = (((uint32_t)0x01) << (pinpos + 0x08));
            /* Get the port pins position */
            currentpin = ((GPIO_InitStruct->Pin) & pos);
            if (currentpin == pos)
            {
                pos = pinpos << 2;
                /* Clear the corresponding high control register bits */
                pinmask = ((uint32_t)0x0F) << pos;
                tmpregister &= ~pinmask;
                /* Write the mode configuration in the corresponding bits */
                tmpregister |= (currentmode << pos);
                /* Reset the corresponding POD bit */
                if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPD)
                {
                    GPIOx->PBC = (((uint32_t)0x01) << (pinpos + 0x08));
                }
                /* Set the corresponding POD bit */
                if (GPIO_InitStruct->GPIO_Mode == GPIO_Mode_IPU)
                {
                    GPIOx->PBSC = (((uint32_t)0x01) << (pinpos + 0x08));
                }
            }
        }
        GPIOx->PH_CFG = tmpregister;
    }
}

/**
 * @brief  Fills each GPIO_InitStruct member with its default value.
 * @param GPIO_InitStruct pointer to a GPIO_InitType structure which will
 *         be initialized.
 */
void GPIO_InitStruct(GPIO_InitType* GPIO_InitStruct)
{
    /* Reset GPIO init structure parameters values */
    GPIO_InitStruct->Pin        = GPIO_PIN_ALL;
    GPIO_InitStruct->GPIO_Speed = GPIO_Speed_2MHz;
    GPIO_InitStruct->GPIO_Mode  = GPIO_Mode_IN_FLOATING;
}

/**
 * @brief  Reads the specified input port pin.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @param Pin specifies the port bit to read.
 *   This parameter can be GPIO_Pin_x where x can be (0..15).
 * @return The input port pin value.
 */
uint8_t GPIO_ReadInputDataBit(GPIO_Module* GPIOx, uint16_t Pin)
{
    uint8_t bitstatus = 0x00;

    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    assert_param(IS_GET_GPIO_PIN(Pin));

    if ((GPIOx->PID & Pin) != (uint32_t)Bit_RESET)
    {
        bitstatus = (uint8_t)Bit_SET;
    }
    else
    {
        bitstatus = (uint8_t)Bit_RESET;
    }
    return bitstatus;
}

/**
 * @brief  Reads the specified GPIO input data port.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @return GPIO input data port value.
 */
uint16_t GPIO_ReadInputData(GPIO_Module* GPIOx)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));

    return ((uint16_t)GPIOx->PID);
}

/**
 * @brief  Reads the specified output data port bit.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @param Pin specifies the port bit to read.
 *   This parameter can be GPIO_Pin_x where x can be (0..15).
 * @return The output port pin value.
 */
uint8_t GPIO_ReadOutputDataBit(GPIO_Module* GPIOx, uint16_t Pin)
{
    uint8_t bitstatus = 0x00;
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    assert_param(IS_GET_GPIO_PIN(Pin));

    if ((GPIOx->POD & Pin) != (uint32_t)Bit_RESET)
    {
        bitstatus = (uint8_t)Bit_SET;
    }
    else
    {
        bitstatus = (uint8_t)Bit_RESET;
    }
    return bitstatus;
}

/**
 * @brief  Reads the specified GPIO output data port.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @return GPIO output data port value.
 */
uint16_t GPIO_ReadOutputData(GPIO_Module* GPIOx)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));

    return ((uint16_t)GPIOx->POD);
}

/**
 * @brief  Sets the selected data port bits.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @param Pin specifies the port bits to be written.
 *   This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
 */
void GPIO_SetBits(GPIO_Module* GPIOx, uint16_t Pin)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    assert_param(IS_GPIO_PIN(Pin));

    GPIOx->PBSC = Pin;
}
void GPIO_SetBitsHigh16(GPIO_Module* GPIOx, uint32_t Pin)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    // assert_param(IS_GPIO_PIN(Pin));

    GPIOx->PBSC = Pin;
}

/**
 * @brief  Clears the selected data port bits.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @param Pin specifies the port bits to be written.
 *   This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
 */
void GPIO_ResetBits(GPIO_Module* GPIOx, uint16_t Pin)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    assert_param(IS_GPIO_PIN(Pin));

    GPIOx->PBC = Pin;
}

/**
 * @brief  Sets or clears the selected data port bit.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @param Pin specifies the port bit to be written.
 *   This parameter can be one of GPIO_Pin_x where x can be (0..15).
 * @param BitCmd specifies the value to be written to the selected bit.
 *   This parameter can be one of the Bit_OperateType enum values:
 *     @arg Bit_RESET to clear the port pin
 *     @arg Bit_SET to set the port pin
 */
void GPIO_WriteBit(GPIO_Module* GPIOx, uint16_t Pin, Bit_OperateType BitCmd)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    assert_param(IS_GET_GPIO_PIN(Pin));
    assert_param(IS_GPIO_BIT_OPERATE(BitCmd));

    if (BitCmd != Bit_RESET)
    {
        GPIOx->PBSC = Pin;
    }
    else
    {
        GPIOx->PBC = Pin;
    }
}

/**
 * @brief  Writes data to the specified GPIO data port.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @param PortVal specifies the value to be written to the port output data register.
 */
void GPIO_Write(GPIO_Module* GPIOx, uint16_t PortVal)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));

    GPIOx->POD = PortVal;
}

/**
 * @brief  Locks GPIO Pins configuration registers.
 * @param GPIOx where x can be (A..G) to select the GPIO peripheral.
 * @param Pin specifies the port bit to be written.
 *   This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
 */
void GPIO_ConfigPinLock(GPIO_Module* GPIOx, uint16_t Pin)
{
    uint32_t tmp = 0x00010000;

    /* Check the parameters */
    assert_param(IS_GPIO_ALL_PERIPH(GPIOx));
    assert_param(IS_GPIO_PIN(Pin));

    tmp |= Pin;
    /* Set LCKK bit */
    GPIOx->PLOCK_CFG = tmp;
    /* Reset LCKK bit */
    GPIOx->PLOCK_CFG = Pin;
    /* Set LCKK bit */
    GPIOx->PLOCK_CFG = tmp;
    /* Read LCKK bit*/
    tmp = GPIOx->PLOCK_CFG;
    /* Read LCKK bit*/
    tmp = GPIOx->PLOCK_CFG;
}

/**
 * @brief  Selects the GPIO pin used as Event output.
 * @param PortSource selects the GPIO port to be used as source
 *   for Event output.
 *   This parameter can be GPIO_PortSourceGPIOx where x can be (A..E).
 * @param PinSource specifies the pin for the Event output.
 *   This parameter can be GPIO_PinSourcex where x can be (0..15).
 */
void GPIO_ConfigEventOutput(uint8_t PortSource, uint8_t PinSource)
{
    uint32_t tmpregister = 0x00;
    /* Check the parameters */
    assert_param(IS_GPIO_EVENTOUT_PORT_SOURCE(PortSource));
    assert_param(IS_GPIO_PIN_SOURCE(PinSource));

    tmpregister = AFIO->ECTRL;
    /* Clear the PORT[6:4] and PIN[3:0] bits */
    tmpregister &= EVCR_PORTPINCONFIG_MASK;
    tmpregister |= (uint32_t)PortSource << 0x04;
    tmpregister |= PinSource;
    AFIO->ECTRL = tmpregister;
}

/**
 * @brief  Enables or disables the Event Output.
 * @param Cmd new state of the Event output.
 *   This parameter can be: ENABLE or DISABLE.
 */
void GPIO_CtrlEventOutput(FunctionalState Cmd)
{
    /* Check the parameters */
    assert_param(IS_FUNCTIONAL_STATE(Cmd));

    *(__IO uint32_t*)EVCR_EVOE_BB = (uint32_t)Cmd;
}

/**
 * @brief  Changes the mapping of the specified pin.
 * @param RmpPin selects the pin to remap.
 *   This parameter can be one of the following values:
 *     @arg GPIO_RMP_SPI1 SPI1 Alternate Function mapping
 *     @arg GPIO_RMP_I2C1 I2C1 Alternate Function mapping
 *     @arg GPIO_RMP_USART1 USART1 Alternate Function mapping
 *     @arg GPIO_RMP_USART2 USART2 Alternate Function mapping
 *     @arg GPIO_PART_RMP_USART3 USART3 Partial Alternate Function mapping
 *     @arg GPIO_ALL_RMP_USART3 USART3 Full Alternate Function mapping
 *     @arg GPIO_PART1_RMP_TIM1 TIM1 Partial Alternate Function mapping
 *     @arg GPIO_PART2_RMP_TIM1 TIM1 Partial Alternate Function mapping
 *     @arg GPIO_ALL_RMP_TIM1 TIM1 Full Alternate Function mapping
 *     @arg GPIO_PartialRemap1_TIM2 TIM2 Partial1 Alternate Function mapping
 *     @arg GPIO_PART2_RMP_TIM2 TIM2 Partial2 Alternate Function mapping
 *     @arg GPIO_ALL_RMP_TIM2 TIM2 Full Alternate Function mapping
 *     @arg GPIO_PART1_RMP_TIM3 TIM3 Partial Alternate Function mapping
 *     @arg GPIO_ALL_RMP_TIM3 TIM3 Full Alternate Function mapping
 *     @arg GPIO_RMP_TIM4 TIM4 Alternate Function mapping
 *     @arg GPIO_RMP1_CAN1 CAN1 Alternate Function mapping
 *     @arg GPIO_RMP2_CAN1 CAN1 Alternate Function mapping
 *     @arg GPIO_RMP3_CAN1 CAN1 Alternate Function mapping
 *     @arg GPIO_RMP_PD01 PD01 Alternate Function mapping
 *     @arg GPIO_RMP_TIM5CH4 LSI connected to TIM5 Channel4 input capture for calibration
 *     @arg GPIO_RMP_ADC1_ETRI ADC1 External Trigger Injected Conversion remapping
 *     @arg GPIO_RMP_ADC1_ETRR ADC1 External Trigger Regular Conversion remapping
 *     @arg GPIO_RMP_ADC2_ETRI ADC2 External Trigger Injected Conversion remapping
 *     @arg GPIO_RMP_ADC2_ETRR ADC2 External Trigger Regular Conversion remapping
 *     @arg GPIO_RMP_SW_JTAG_NO_NJTRST Full SWJ Enabled (JTAG-DP + SW-DP) but without JTRST
 *     @arg GPIO_RMP_SW_JTAG_SW_ENABLE JTAG-DP Disabled and SW-DP Enabled
 *     @arg GPIO_RMP_SW_JTAG_DISABLE Full SWJ Disabled (JTAG-DP + SW-DP)
 *     @arg GPIO_RMP_SDIO SDIO Alternate Function mapping
 *     @arg GPIO_RMP1_CAN2 CAN2 Alternate Function mapping
 *     @arg GPIO_RMP3_CAN2 CAN2 Alternate Function mapping
 *     @arg GPIO_RMP1_QSPI QSPI Alternate Function mapping
 *     @arg GPIO_RMP3_QSPI QSPI Alternate Function mapping
 *     @arg GPIO_RMP1_I2C2 I2C2 Alternate Function mapping
 *     @arg GPIO_RMP3_I2C2 I2C2 Alternate Function mapping
 *     @arg GPIO_RMP2_I2C3 I2C3 Alternate Function mapping
 *     @arg GPIO_RMP3_I2C3 I2C3 Alternate Function mapping
 *     @arg GPIO_RMP1_I2C4 I2C4 Alternate Function mapping
 *     @arg GPIO_RMP3_I2C4 I2C4 Alternate Function mapping
 *     @arg GPIO_RMP1_SPI2 SPI2 Alternate Function mapping
 *     @arg GPIO_RMP2_SPI2 SPI2 Alternate Function mapping
 *     @arg GPIO_RMP1_SPI3 SPI3 Alternate Function mapping
 *     @arg GPIO_RMP2_SPI3 SPI3 Alternate Function mapping
 *     @arg GPIO_RMP1_ETH ETH  Alternate Function mapping
 *     @arg GPIO_RMP2_ETH ETH  Alternate Function mapping
 *     @arg GPIO_RMP3_ETH ETH  Alternate Function mapping
 *     @arg GPIO_RMP1_SPI1 SPI1 Alternate Function mapping
 *     @arg GPIO_RMP2_SPI1 SPI1 Alternate Function mapping
 *     @arg GPIO_RMP3_SPI1 SPI1 Alternate Function mapping
 *     @arg GPIO_RMP1_USART2 USART2 Alternate Function mapping
 *     @arg GPIO_RMP2_USART2 USART2 Alternate Function mapping
 *     @arg GPIO_RMP3_USART2 USART2 Alternate Function mapping
 *     @arg GPIO_RMP1_UART4 UART4 Alternate Function mapping
 *     @arg GPIO_RMP2_UART4 UART4 Alternate Function mapping
 *     @arg GPIO_RMP3_UART4 UART4 Alternate Function mapping
 *     @arg GPIO_RMP1_UART5 UART5 Alternate Function mapping
 *     @arg GPIO_RMP2_UART5 UART5 Alternate Function mapping
 *     @arg GPIO_RMP3_UART5 UART5 Alternate Function mapping
 *     @arg GPIO_RMP2_UART6 UART6 Alternate Function mapping
 *     @arg GPIO_RMP3_UART6 UART6 Alternate Function mapping
 *     @arg GPIO_RMP1_UART7 UART7 Alternate Function mapping
 *     @arg GPIO_RMP3_UART7 UART7 Alternate Function mapping
 *     @arg GPIO_RMP1_TIM8 TIM8 Alternate Function mapping
 *     @arg GPIO_RMP3_TIM8 TIM8 Alternate Function mapping
 *     @arg GPIO_RMP1_COMP1 COMP1 Alternate Function mapping
 *     @arg GPIO_RMP2_COMP1 COMP1 Alternate Function mapping
 *     @arg GPIO_RMP3_COMP1 COMP1 Alternate Function mapping
 *     @arg GPIO_RMP1_COMP2 COMP2 Alternate Function mapping
 *     @arg GPIO_RMP2_COMP2 COMP2 Alternate Function mapping
 *     @arg GPIO_RMP3_COMP2 COMP2 Alternate Function mapping
 *     @arg GPIO_RMP1_COMP3 COMP3 Alternate Function mapping
 *     @arg GPIO_RMP3_COMP3 COMP3 Alternate Function mapping
 *     @arg GPIO_RMP1_COMP4 COMP4 Alternate Function mapping
 *     @arg GPIO_RMP3_COMP4 COMP4 Alternate Function mapping
 *     @arg GPIO_RMP1_COMP5 COMP5 Alternate Function mapping
 *     @arg GPIO_RMP2_COMP5 COMP5 Alternate Function mapping
 *     @arg GPIO_RMP3_COMP5 COMP5 Alternate Function mapping
 *     @arg GPIO_RMP3_UART5 UART5 Alternate Function mapping
 *     @arg GPIO_RMP1_COMP6 COMP6 Alternate Function mapping
 *     @arg GPIO_RMP3_COMP6 COMP6 Alternate Function mapping
 *     @arg GPIO_RMP_COMP7 COMP7 Alternate Function mapping
 *     @arg GPIO_RMP_ADC3_ETRI ADC3_ETRGINJ  Alternate Function mapping
 *     @arg GPIO_RMP_ADC3_ETRR ADC3_ETRGREG  Alternate Function mapping
 *     @arg GPIO_RMP_ADC4_ETRI ADC4_ETRGINJ  Alternate Function mapping
 *     @arg GPIO_RMP_ADC4_ETRR ADC4_ETRGREG  Alternate Function mapping
 *     @arg GPIO_RMP_TSC_OUT_CTRL TSC_OUT_CTRL  Alternate Function mapping
 *     @arg GPIO_RMP_QSPI_XIP_EN QSPI_XIP_EN  Alternate Function mapping
 *     @arg GPIO_RMP1_DVP DVP  Alternate Function mapping
 *     @arg GPIO_RMP3_DVP DVP  Alternate Function mapping
 *     @arg GPIO_Remap_SPI1_NSS SPI1 NSS Alternate Function mapping
 *     @arg GPIO_Remap_SPI2_NSS SPI2 NSS Alternate Function mapping
 *     @arg GPIO_Remap_SPI3_NSS SPI3 NSS Alternate Function mapping
 *     @arg GPIO_Remap_QSPI_MISO QSPI MISO Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_EGB4 EGB4 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_EGB3 EGB3 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_EGB2 EGB2 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_EGB1 EGB1 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_EGBN4 EGBN4 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_EGBN3 EGBN3 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_EGBN2 EGBN2 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_EGBN1 EGBN1 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_ECLAMP4 ECLAMP4 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_ECLAMP3 ECLAMP3 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_ECLAMP2 ECLAMP2 Detect Alternate Function mapping
 *     @arg GPIO_Remap_DET_EN_ECLAMP1 ECLAMP1 Detect Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_EGB4 EGB4 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_EGB3 EGB3 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_EGB2 EGB2 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_EGB1 EGB1 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_EGBN4 EGBN4 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_EGBN3 EGBN3 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_EGBN2 EGBN2 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_EGBN1 EGBN1 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_ECLAMP4 ECLAMP4 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_ECLAMP3 ECLAMP3 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_ECLAMP2 ECLAMP2 Reset Alternate Function mapping
 *     @arg GPIO_Remap_RST_EN_ECLAMP1 ECLAMP1 Reset Alternate Function mapping
 * @param Cmd new state of the port pin remapping.
 *   This parameter can be: ENABLE or DISABLE.
 */
void GPIO_ConfigPinRemap(uint32_t RmpPin, FunctionalState Cmd)
{
    uint32_t tmp = 0x00, tmp1 = 0x00, tmpregister = 0x00, tmpmask = 0x00, tmp2 = 0x00;

    /* Check the parameters */
    assert_param(IS_GPIO_REMAP(RmpPin));
    assert_param(IS_FUNCTIONAL_STATE(Cmd));

    /* Check RmpPin relate AFIO RMP_CFG */
    if ((RmpPin & 0x40000000) == 0x40000000)
    {
        tmpregister = AFIO->RMP_CFG3;
    }
    else if ((RmpPin & 0x20000000) == 0x20000000)
    {
        tmpregister = AFIO->RMP_CFG4;
    }
    else if ((RmpPin & 0x10000000) == 0x10000000)
    {
        tmpregister = AFIO->RMP_CFG5;
    }
    else
    {
        tmpregister = AFIO->RMP_CFG;
    }

    tmpmask = (RmpPin & DBGAFR_POSITION_MASK) >> 16;
    tmp     = RmpPin & LSB_MASK;

    if ((RmpPin
         & (DBGAFR_NUMBITS_MAPR5_MASK | DBGAFR_NUMBITS_MAPR4_MASK | DBGAFR_NUMBITS_MAPR3_MASK | DBGAFR_LOCATION_MASK
            | DBGAFR_NUMBITS_MASK))
        == (DBGAFR_LOCATION_MASK | DBGAFR_NUMBITS_MASK))
    {
        tmpregister &= DBGAFR_SWJCFG_MASK;
        AFIO->RMP_CFG &= DBGAFR_SWJCFG_MASK;
    }
    else if ((RmpPin & DBGAFR_NUMBITS_MASK) == DBGAFR_NUMBITS_MASK)
    {
        if ((RmpPin & DBGAFR_LOCATION_MASK) == DBGAFR_LOCATION_MASK)
        {
            tmp1 = (((uint32_t)0x03) << tmpmask) << 16;
        }
        else
        {
            tmp1 = ((uint32_t)0x03) << tmpmask;
        }
        tmpregister &= ~tmp1;
        if ((RmpPin & 0x70000000) == 0x00000000)
        {
            tmpregister |= ~DBGAFR_SWJCFG_MASK;
        }
    }
    else
    {/*configuration AFIO RMP_CFG*/
        if ((RmpPin & DBGAFR_NUMBITS_SPI1_MASK) == DBGAFR_NUMBITS_SPI1_MASK)
        {
            if ((RmpPin & 0x00000004) == 0x00000004)
            {
                if ((RmpPin & 0x02000000) == 0x02000000) // GPIO_RMP3_SPI1
                {
                    tmpregister &= ~(tmp << (((RmpPin & 0x00200000) >> 21) * 16));
                    if (Cmd != DISABLE)
                    {
                        tmp2 = AFIO->RMP_CFG;
                        tmp2 |= 0x00000001;
                        tmp2 |= ~DBGAFR_SWJCFG_MASK;
                        AFIO->RMP_CFG = tmp2; // Remap_SPI1 ENABLE
                    }
                    else
                    {
                        tmp2 = AFIO->RMP_CFG;
                        tmp2 &= 0xFFFFFFFE;
                        tmp2 |= ~DBGAFR_SWJCFG_MASK;
                        AFIO->RMP_CFG = tmp2; // Remap_SPI1 DISABLE
                    }
                }
                else
                {
                    tmpregister &= ~(tmp << (((RmpPin & 0x00200000) >> 21) * 16)); // GPIO_RMP2_SPI1

                    tmp2 = AFIO->RMP_CFG;
                    tmp2 &= 0xFFFFFFFE;
                    tmp2 |= ~DBGAFR_SWJCFG_MASK;
                    AFIO->RMP_CFG = tmp2; // Remap_SPI1 DISABLE
                }
            }
            else
            {
                tmpregister &= ~((tmp | 0x00000004) << (((RmpPin & 0x00200000) >> 21) * 16)); // clear
                if (Cmd != DISABLE)                                                           // GPIO_RMP1_SPI1
                {
                    tmp2 = AFIO->RMP_CFG;
                    tmp2 |= 0x00000001;
                    tmp2 |= ~DBGAFR_SWJCFG_MASK;
                    AFIO->RMP_CFG = tmp2; // Remap_SPI1 ENABLE
                }
                else
                {
                    tmp2 = AFIO->RMP_CFG;
                    tmp2 &= 0xFFFFFFFE;
                    tmp2 |= ~DBGAFR_SWJCFG_MASK;
                    AFIO->RMP_CFG = tmp2; // Remap_SPI1 DISABLE
                }
            }
        }
        else if ((RmpPin & DBGAFR_NUMBITS_USART2_MASK) == DBGAFR_NUMBITS_USART2_MASK)
        {
            if ((RmpPin & 0x00000008) == 0x00000008)
            {
                if ((RmpPin & 0x02000000) == 0x02000000) // GPIO_RMP3_USART2
                {
                    tmpregister &= ~(tmp << (((RmpPin & 0x00200000) >> 21) * 16));
                    if (Cmd != DISABLE)
                    {
                        tmp2 = AFIO->RMP_CFG;
                        tmp2 |= 0x00000008;
                        tmp2 |= ~DBGAFR_SWJCFG_MASK;
                        AFIO->RMP_CFG = tmp2; // Remap_USART2 ENABLE
                    }
                    else
                    {
                        tmp2 = AFIO->RMP_CFG;
                        tmp2 &= 0xFFFFFFF7;
                        tmp2 |= ~DBGAFR_SWJCFG_MASK;
                        AFIO->RMP_CFG = tmp2; // Remap_USART2 DISABLE
                    }
                }
                else
                {
                    tmpregister &= ~(tmp << (((RmpPin & 0x00200000) >> 21) * 16)); // GPIO_RMP2_USART2

                    tmp2 = AFIO->RMP_CFG;
                    tmp2 &= 0xFFFFFFF7;
                    tmp2 |= ~DBGAFR_SWJCFG_MASK;
                    AFIO->RMP_CFG = tmp2; // Remap_USART2 DISABLE
                }
            }
            else // GPIO_RMP1_USART2
            {
                tmpregister &= ~((tmp | 0x00000008) << (((RmpPin & 0x00200000) >> 21) * 16)); // clear
                if (Cmd != DISABLE)
                {
                    tmp2 = AFIO->RMP_CFG;
                    tmp2 |= 0x00000008;
                    tmp2 |= ~DBGAFR_SWJCFG_MASK;
                    AFIO->RMP_CFG = tmp2; // Remap_USART2 ENABLE
                }
                else
                {
                    tmp2 = AFIO->RMP_CFG;
                    tmp2 &= 0xFFFFFFF7;
                    tmp2 |= ~DBGAFR_SWJCFG_MASK;
                    AFIO->RMP_CFG = tmp2; // Remap_USART2 DISABLE
                }
            }
        }
        else
        {
            tmpregister &= ~(tmp << (((RmpPin & 0x00200000) >> 21) * 16));
            if ((RmpPin & 0x70000000) == 0x00000000)
            {
                tmpregister |= ~DBGAFR_SWJCFG_MASK;
            }
        }
    }

    /*configuration AFIO RMP_CFG~RMP_CFG5*/
    if (Cmd != DISABLE)
    {
        tmpregister |= (tmp << (((RmpPin & 0x00200000) >> 21) * 16));
    }

    if ((RmpPin & 0x40000000) == 0x40000000)
    {
        AFIO->RMP_CFG3 = tmpregister;
    }
    else if ((RmpPin & 0x20000000) == 0x20000000)
    {
        AFIO->RMP_CFG4 = tmpregister;
    }
    else if ((RmpPin & 0x10000000) == 0x10000000)
    {
        AFIO->RMP_CFG5 = tmpregister;
    }
    else
    {
        AFIO->RMP_CFG = tmpregister;
    }
}

/**
 * @brief  Selects the GPIO pin used as EXTI Line.
 * @param PortSource selects the GPIO port to be used as source for EXTI lines.
 *   This parameter can be GPIO_PortSourceGPIOx where x can be (A..G).
 * @param PinSource specifies the EXTI line to be configured.
 *   This parameter can be GPIO_PinSourcex where x can be (0..15).
 */
void GPIO_ConfigEXTILine(uint8_t PortSource, uint8_t PinSource)
{
    uint32_t tmp = 0x00;
    /* Check the parameters */
    assert_param(IS_GPIO_EXTI_PORT_SOURCE(PortSource));
    assert_param(IS_GPIO_PIN_SOURCE(PinSource));

    tmp = ((uint32_t)0x0F) << (0x04 * (PinSource & (uint8_t)0x03));
    AFIO->EXTI_CFG[PinSource >> 0x02] &= ~tmp;
    AFIO->EXTI_CFG[PinSource >> 0x02] |= (((uint32_t)PortSource) << (0x04 * (PinSource & (uint8_t)0x03)));
}

/**
 * @brief  Selects the Ethernet media interface.
 * @note   This function applies only to N32G45x Connectivity line devices.
 * @param ETH_ConfigSel specifies the Media Interface mode.
 *   This parameter can be one of the following values:
 *     @arg GPIO_ETH_MII_CFG MII mode
 *     @arg GPIO_ETH_RMII_CFG RMII mode
 */
void GPIO_ETH_ConfigMediaInterface(uint32_t ETH_ConfigSel)
{
    /* Check the parameters */
    assert_param(IS_GPIO_ETH_MEDIA_INTERFACE(ETH_ConfigSel));

    if (ETH_ConfigSel == GPIO_ETH_RMII_CFG)
    {
        *(__IO uint32_t*)MAPR_MII_RMII_SEL_BB = (uint32_t)1;
    }
    else
    {
        *(__IO uint32_t*)MAPR_MII_RMII_SEL_BB = (uint32_t)0;
    }

}

/**
 * @}
 */

/**
 * @}
 */

/**
 * @}
 */