Mouse code for the MacroRat
mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_gpio.c
- Committer:
- sahilmgandhi
- Date:
- 2017-05-14
- Revision:
- 18:6a4db94011d3
File content as of revision 18:6a4db94011d3:
/**************************************************************************//** * @file gpio.c * @version V3.00 * $Revision: 6 $ * $Date: 15/08/11 10:26a $ * @brief M451 series GPIO driver source file * * @note * Copyright (C) 2014~2015 Nuvoton Technology Corp. All rights reserved. *****************************************************************************/ #include "M451Series.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 or PF. * @param[in] u32PinMask The single or multiple pins of specified GPIO port. * It could be BIT0 ~ BIT15 for PA, PB, PC and PD GPIO port. * It could be BIT0 ~ BIT14 for PE GPIO port. * It could be BIT0 ~ BIT7 for PF 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 = 0; i < GPIO_PIN_MAX; i++) { if(u32PinMask & (1 << i)) { port->MODE = (port->MODE & ~(0x3 << (i << 1))) | (u32Mode << (i << 1)); } } } /** * @brief Enable GPIO interrupt * * @param[in] port GPIO port. It could be PA, PB, PC, PD, PE or PF. * @param[in] u32Pin The pin of specified GPIO port. * It could be 0 ~ 15 for PA, PB, PC and PD GPIO port. * It could be 0 ~ 14 for PE GPIO port. * It could be 0 ~ 7 for PF 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 |= (((u32IntAttribs >> 24) & 0xFFUL) << u32Pin); port->INTEN |= ((u32IntAttribs & 0xFFFFFFUL) << u32Pin); } /** * @brief Disable GPIO interrupt * * @param[in] port GPIO port. It could be PA, PB, PC, PD, PE or PF. * @param[in] u32Pin The pin of specified GPIO port. * It could be 0 ~ 15 for PA, PB, PC and PD GPIO port. * It could be 0 ~ 14 for PE GPIO port. * It could be 0 ~ 7 for PF GPIO port. * * @return None * * @details This function is used to enable specified GPIO pin interrupt. */ void GPIO_DisableInt(GPIO_T *port, uint32_t u32Pin) { port->INTTYPE &= ~(1UL << u32Pin); port->INTEN &= ~((0x00010001UL) << u32Pin); } /*@}*/ /* end of group GPIO_EXPORTED_FUNCTIONS */ /*@}*/ /* end of group GPIO_Driver */ /*@}*/ /* end of group Standard_Driver */ /*** (C) COPYRIGHT 2014~2015 Nuvoton Technology Corp. ***/