Diff: targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_gpio.c

Revision:

149:156823d33999

Parent:

144:ef7eb2e8f9f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_NUVOTON/TARGET_NUC472/device/StdDriver/nuc472_gpio.c	Fri Oct 28 11:17:30 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. ***/