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/**************************************************************************//**
* @file gpio.c
* @version V3.00
* @brief M480 series GPIO driver source file
*
* @copyright (C) 2011~2016 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 It could be PA, PB, PC, PD, PE, PF, PG or PH.
* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
* It could be BIT0 ~ BIT15 for PA, PB, PC, PD, PF and PH GPIO port.
* It could be BIT0 ~ BIT13 for PE GPIO port.
* It could be BIT0 ~ BIT11 for PG GPIO port.
* @param[in] u32Mode Operation mode. It could be \n
* GPIO_MODE_INPUT, GPIO_MODE_OUTPUT, GPIO_MODE_OPEN_DRAIN, 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 i;
for(i = 0ul; i < GPIO_PIN_MAX; i++)
{
if((u32PinMask & (1ul << i))==(1ul << i))
{
port->MODE = (port->MODE & ~(0x3ul << (i << 1))) | (u32Mode << (i << 1));
}
}
}
/**
* @brief Enable GPIO interrupt
*
* @param[in] port GPIO port. It could be It could be PA, PB, PC, PD, PE, PF, PG or PH.
* @param[in] u32Pin The pin of specified GPIO port.
* It could be 0 ~ 15 for PA, PB, PC, PD, PF and PH GPIO port.
* It could be 0 ~ 13 for PE GPIO port.
* It could be 0 ~ 11 for PG GPIO port.
* @param[in] u32IntAttribs The interrupt attribute of specified GPIO pin. It could be \n
* GPIO_INT_RISING, GPIO_INT_FALLING, GPIO_INT_BOTH_EDGE, GPIO_INT_HIGH, 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)
{
port->INTTYPE = (port->INTTYPE&~(1ul<<u32Pin)) | (((u32IntAttribs >> 24) & 0xFFUL) << u32Pin);
port->INTEN = (port->INTEN&~(0x00010001ul<<u32Pin)) | ((u32IntAttribs & 0xFFFFFFUL) << u32Pin);
}
/**
* @brief Disable GPIO interrupt
*
* @param[in] port GPIO port. It could be It could be PA, PB, PC, PD, PE, PF, PG or PH.
* @param[in] u32Pin The pin of specified GPIO port.
* It could be 0 ~ 15 for PA, PB, PC, PD, PF and PH GPIO port.
* It could be 0 ~ 13 for PE GPIO port.
* It could be 0 ~ 11 for PG GPIO port.
*
* @return None
*
* @details This function is used to disable specified GPIO pin interrupt.
*/
void GPIO_DisableInt(GPIO_T *port, uint32_t u32Pin)
{
port->INTTYPE &= ~(1UL << u32Pin);
port->INTEN &= ~((0x00010001UL) << u32Pin);
}
/**
* @brief Set GPIO slew rate control
*
* @param[in] port GPIO port. It could be \ref PA, \ref PB, ... or \ref GPH
* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
* @param[in] u32Mode Slew rate mode. \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 i;
for(i = 0ul; i < GPIO_PIN_MAX; i++)
{
if(u32PinMask & (1ul << i))
{
port->SLEWCTL = (port->SLEWCTL & ~(0x3ul << (i << 1))) | (u32Mode << (i << 1));
}
}
}
/**
* @brief Set GPIO Pull-up and Pull-down control
*
* @param[in] port GPIO port. It could be \ref PA, \ref PB, ... or \ref GPH
* @param[in] u32PinMask The pin of specified GPIO port. It could be 0 ~ 15.
* @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 i;
for(i = 0ul; i < GPIO_PIN_MAX; i++)
{
if(u32PinMask & (1ul << i))
{
port->PUSEL = (port->PUSEL & ~(0x3ul << (i << 1))) | (u32Mode << (i << 1));
}
}
}
/*@}*/ /* end of group GPIO_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group GPIO_Driver */
/*@}*/ /* end of group Standard_Driver */
/*** (C) COPYRIGHT 2011~2016 Nuvoton Technology Corp. ***/
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