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/**************************************************************************//**
* @file gpio.c
* @version V3.00
* @brief M2354 series General Purpose I/O (GPIO) driver source file
*
* @copyright SPDX-License-Identifier: Apache-2.0
* @copyright Copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "NuMicro.h"
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup GPIO_Driver GPIO Driver
@{
*/
/** @addtogroup GPIO_EXPORTED_FUNCTIONS GPIO Exported Functions
@{
*/
/**
* @brief Set GPIO operation mode
*
* @param[in] port GPIO port. It could be PA, PB, PC, PD, PE, PF, PG or PH.
* @param[in] u32PinMask The single or multiple pins of specified GPIO port. \n
* It could be BIT0 ~ BIT15 for PA, PB and PE. \n
* It could be BIT0 ~ BIT13 for PC. \n
* It could be BIT0 ~ BIT12, BIT14 for PD. \n
* It could be BIT0 ~ BIT11 for PF. \n
* It could be BIT2 ~ BIT3, BIT9 ~ BIT15 for PG. \n
* It could be BIT4 ~ BIT11 for PH.
* @param[in] u32Mode Operation mode. It could be
* - \ref GPIO_MODE_INPUT
* - \ref GPIO_MODE_OUTPUT
* - \ref GPIO_MODE_OPEN_DRAIN
* - \ref GPIO_MODE_QUASI
*
* @return None
*
* @details This function is used to set specified GPIO operation mode.
*/
void GPIO_SetMode(GPIO_T *port, uint32_t u32PinMask, uint32_t u32Mode)
{
uint32_t u32Idx;
for(u32Idx = 0ul; u32Idx < GPIO_PIN_MAX; u32Idx++)
{
if((u32PinMask & (1ul << u32Idx)) == (1ul << u32Idx))
{
port->MODE = (port->MODE & ~(0x3ul << (u32Idx << 1))) | (u32Mode << (u32Idx << 1));
}
}
}
/**
* @brief Enable GPIO interrupt
*
* @param[in] port GPIO port. It could be PA, PB, PC, PD, PE, PF, PG or PH.
* @param[in] u32Pin The pin of specified GPIO port. \n
* It could be 0 ~ 15 for PA, PB and PE. \n
* It could be 0 ~ 13 for PC GPIO port. \n
* It could be 0 ~ 12, 14 for PD GPIO port. \n
* It could be 0 ~ 11 for PF GPIO port. \n
* It could be 2 ~ 4, 9 ~ 15 for PG GPIO port. \n
* It could be 4 ~ 11 for PH GPIO port.
* @param[in] u32IntAttribs The interrupt attribute of specified GPIO pin. It could be
* - \ref GPIO_INT_RISING
* - \ref GPIO_INT_FALLING
* - \ref GPIO_INT_BOTH_EDGE
* - \ref GPIO_INT_HIGH
* - \ref GPIO_INT_LOW
*
* @return None
*
* @details This function is used to enable specified GPIO pin interrupt.
*/
void GPIO_EnableInt(GPIO_T *port, uint32_t u32Pin, uint32_t u32IntAttribs)
{
/* Configure interrupt mode of specified pin */
port->INTTYPE = (port->INTTYPE & ~(1ul << u32Pin)) | (((u32IntAttribs >> 24) & 0xFFUL) << u32Pin);
/* Enable interrupt function of specified pin */
port->INTEN = (port->INTEN & ~(0x00010001ul << u32Pin)) | ((u32IntAttribs & 0xFFFFFFUL) << u32Pin);
}
/**
* @brief Disable GPIO interrupt
*
* @param[in] port GPIO port. It could be PA, PB, PC, PD, PE, PF, PG or PH.
* @param[in] u32Pin The pin of specified GPIO port. \n
* It could be 0 ~ 15 for PA, PB and PE. \n
* It could be 0 ~ 13 for PC GPIO port. \n
* It could be 0 ~ 12, 14 for PD GPIO port. \n
* It could be 0 ~ 11 for PF GPIO port. \n
* It could be 2 ~ 4, 9 ~ 15 for PG GPIO port. \n
* It could be 4 ~ 11 for PH GPIO port.
*
* @return None
*
* @details This function is used to enable specified GPIO pin interrupt.
*/
void GPIO_DisableInt(GPIO_T *port, uint32_t u32Pin)
{
/* Configure interrupt mode of specified pin */
port->INTTYPE &= ~(1UL << u32Pin);
/* Disable interrupt function of specified pin */
port->INTEN &= ~((0x00010001UL) << u32Pin);
}
/**
* @brief Set GPIO slew rate control
*
* @param[in] port GPIO port. It could be PA, PB, PC, PD, PE, PF, PG or PH.
* @param[in] u32PinMask The single or multiple pins of specified GPIO port. \n
* It could be BIT0 ~ BIT15 for PA, PB and PE. \n
* It could be BIT0 ~ BIT13 for PC. \n
* It could be BIT0 ~ BIT12, BIT14. \n
* It could be BIT0 ~ BIT11 for PF. \n
* It could be BIT2 ~ BIT3, BIT9 ~ BIT15 for PG. \n
* It could be BIT4 ~ BIT11 for PH.
* @param[in] u32Mode Slew rate mode. It could be
* - \ref GPIO_SLEWCTL_NORMAL (maximum 40 MHz at 2.7V)
* - \ref GPIO_SLEWCTL_HIGH (maximum 80 MHz at 2.7V)
* - \ref GPIO_SLEWCTL_FAST (maximum 100 MHz at 2.7V)
*
* @return None
*
* @details This function is used to set specified GPIO operation mode.
*/
void GPIO_SetSlewCtl(GPIO_T *port, uint32_t u32PinMask, uint32_t u32Mode)
{
uint32_t u32Idx;
for(u32Idx = 0ul; u32Idx < GPIO_PIN_MAX; u32Idx++)
{
if(u32PinMask & (1ul << u32Idx))
{
port->SLEWCTL = (port->SLEWCTL & ~(0x3ul << (u32Idx << 1))) | (u32Mode << (u32Idx << 1));
}
}
}
/**
* @brief Set GPIO Pull-up and Pull-down control
*
* @param[in] port GPIO port. It could be PA, PB, PC, PD, PE, PF, PG or PH.
* @param[in] u32PinMask The single or multiple pins of specified GPIO port. \n
* It could be BIT0 ~ BIT15 for PA, PB and PE. \n
* It could be BIT0 ~ BIT13 for PC. \n
* It could be BIT0 ~ BIT12, BIT14 for PD. \n
* It could be BIT0 ~ BIT11 for PF. \n
* It could be BIT2 ~ BIT3, BIT9 ~ BIT15 for PG. \n
* It could be BIT4 ~ BIT11 for PH.
* @param[in] u32Mode The pin mode of specified GPIO pin. It could be
* - \ref GPIO_PUSEL_DISABLE
* - \ref GPIO_PUSEL_PULL_UP
* - \ref GPIO_PUSEL_PULL_DOWN
*
* @return None
*
* @details Set the pin mode of specified GPIO pin.
*/
void GPIO_SetPullCtl(GPIO_T *port, uint32_t u32PinMask, uint32_t u32Mode)
{
uint32_t u32Idx;
for(u32Idx = 0ul; u32Idx < GPIO_PIN_MAX; u32Idx++)
{
if(u32PinMask & (1ul << u32Idx))
{
port->PUSEL = (port->PUSEL & ~(0x3ul << (u32Idx << 1))) | (u32Mode << (u32Idx << 1));
}
}
}
/**@}*/ /* end of group GPIO_EXPORTED_FUNCTIONS */
/**@}*/ /* end of group GPIO_Driver */
/**@}*/ /* end of group Standard_Driver */
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