mbed library sources. Supersedes mbed-src.
Fork of mbed-dev by
Diff: targets/cmsis/TARGET_NUVOTON/TARGET_NUC472/StdDriver/nuc472_gpio.c
- Revision:
- 144:ef7eb2e8f9f7
diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/cmsis/TARGET_NUVOTON/TARGET_NUC472/StdDriver/nuc472_gpio.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_NUVOTON/TARGET_NUC472/StdDriver/nuc472_gpio.c Fri Sep 02 15:07:44 2016 +0100 @@ -0,0 +1,93 @@ +/**************************************************************************//** + * @file gpio.c + * @version V1.00 + * $Revision: 9 $ + * $Date: 14/10/06 11:47a $ + * @brief NUC472/NUC442 GPIO driver source file + * + * @note + * Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved. +*****************************************************************************/ +#include "NUC472_442.h" + + + +/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver + @{ +*/ + +/** @addtogroup NUC472_442_GPIO_Driver GPIO Driver + @{ +*/ + + +/** @addtogroup NUC472_442_GPIO_EXPORTED_FUNCTIONS GPIO Exported Functions + @{ +*/ + +/** + * @brief Set GPIO operation mode + * + * @param[in] gpio GPIO port. It could be \ref PA, \ref PB, ... or \ref GPI + * @param[in] u32PinMask The single or multiple pins of specified GPIO port. + * @param[in] u32Mode Operation mode. \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 *gpio, uint32_t u32PinMask, uint32_t u32Mode) +{ + uint32_t i; + + for (i=0; i<GPIO_PIN_MAX; i++) { + if (u32PinMask & (1 << i)) { + gpio->MODE = (gpio->MODE & ~(0x3 << (i << 1))) | (u32Mode << (i << 1)); + } + } +} + +/** + * @brief Enable GPIO interrupt + * + * @param[in] gpio GPIO port. It could be \ref PA, \ref PB, ... or \ref GPI + * @param[in] u32Pin The pin of specified GPIO port. It could be 0 ~ 15. + * @param[in] u32IntAttribs The interrupt attribute of specified GPIO pin. It could be \n + * \ref GPIO_INT_RISING, \ref GPIO_INT_FALLING, \ref GPIO_INT_BOTH_EDGE, \ref GPIO_INT_HIGH, GPIO_INT_LOW + * + * @return None + * + * @details This function is used to enable specified GPIO pin interrupt. + */ +void GPIO_EnableInt(GPIO_T *gpio, uint32_t u32Pin, uint32_t u32IntAttribs) +{ + gpio->INTTYPE |= (((u32IntAttribs >> 24) & 0xFFUL) << u32Pin); + gpio->INTEN |= ((u32IntAttribs & 0xFFFFFFUL) << u32Pin); +} + + +/** + * @brief Disable GPIO interrupt + * + * @param[in] gpio GPIO port. It could be \ref PA, \ref PB, ... or \ref GPI + * @param[in] u32Pin The pin of specified GPIO port. It could be 0 ~ 15. + * + * @return None + * + * @details This function is used to disable specified GPIO pin interrupt. + */ +void GPIO_DisableInt(GPIO_T *gpio, uint32_t u32Pin) +{ + gpio->INTTYPE &= ~(1UL << u32Pin); + gpio->INTEN &= ~((0x00010001UL) << u32Pin); +} + + + +/*@}*/ /* end of group NUC472_442_GPIO_EXPORTED_FUNCTIONS */ + +/*@}*/ /* end of group NUC472_442_GPIO_Driver */ + +/*@}*/ /* end of group NUC472_442_Device_Driver */ + +/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/