1 files changed, 91 insertions, 0 deletions
diff --git a/src/sample/io_sample/GPIO/Input_key/io_gpio.c b/src/sample/io_sample/GPIO/Input_key/io_gpio.c
new file mode 100644
index 0000000..762fd0e
--- /dev/null
+++ b/src/sample/io_sample/GPIO/Input_key/io_gpio.c
@@ -0,0 +1,91 @@
+/**
+*********************************************************************************************************
+*               Copyright(c) 2018, Realtek Semiconductor Corporation. All rights reserved.
+*********************************************************************************************************
+* @file     io_gpio.c
+* @brief    This file provides demo code of gpio input mode.
+            Get key value.
+* @details
+* @author   yuan
+* @date     2018-12-07
+* @version  v1.0
+*********************************************************************************************************
+*/
+
+/* Includes ------------------------------------------------------------------*/
+#include "io_gpio.h"
+
+#include "app_task.h"
+
+/**
+  * @brief  Initialization of pinmux settings and pad settings.
+  * @param  No parameter.
+  * @return void
+  */
+void board_gpio_init(void)
+{
+    Pad_Config(GPIO_INPUT_PIN_0, PAD_PINMUX_MODE, PAD_IS_PWRON, PAD_PULL_UP, PAD_OUT_DISABLE,
+               PAD_OUT_HIGH);
+
+    Pinmux_Config(GPIO_INPUT_PIN_0, DWGPIO);
+}
+
+/**
+  * @brief  Initialize GPIO peripheral.
+  * @param  No parameter.
+  * @return void
+  */
+void driver_gpio_init(void)
+{
+    /* Initialize GPIO peripheral */
+    RCC_PeriphClockCmd(APBPeriph_GPIO, APBPeriph_GPIO_CLOCK, ENABLE);
+
+    GPIO_InitTypeDef GPIO_InitStruct;
+    GPIO_StructInit(&GPIO_InitStruct);
+    GPIO_InitStruct.GPIO_Pin        = GPIO_PIN_INPUT;
+    GPIO_InitStruct.GPIO_Mode       = GPIO_Mode_IN;
+    GPIO_InitStruct.GPIO_ITCmd      = ENABLE;
+    GPIO_InitStruct.GPIO_ITTrigger  = GPIO_INT_Trigger_EDGE;
+    GPIO_InitStruct.GPIO_ITPolarity = GPIO_INT_POLARITY_ACTIVE_LOW;
+    GPIO_InitStruct.GPIO_ITDebounce = GPIO_INT_DEBOUNCE_ENABLE;
+    GPIO_InitStruct.GPIO_DebounceTime = 10;/* unit:ms , can be 1~64 ms */
+    GPIO_Init(&GPIO_InitStruct);
+
+    NVIC_InitTypeDef NVIC_InitStruct;
+    NVIC_InitStruct.NVIC_IRQChannel = GPIO_PIN_INPUT_IRQN;
+    NVIC_InitStruct.NVIC_IRQChannelPriority = 3;
+    NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
+    NVIC_Init(&NVIC_InitStruct);
+
+    GPIO_MaskINTConfig(GPIO_PIN_INPUT, DISABLE);
+    GPIO_INTConfig(GPIO_PIN_INPUT, ENABLE);
+}
+
+/**
+  * @brief  GPIO interrupt handler function.
+  * @param  No parameter.
+  * @return void
+  */
+void GPIO_Input_Handler(void)
+{
+    GPIO_INTConfig(GPIO_PIN_INPUT, DISABLE);
+    GPIO_MaskINTConfig(GPIO_PIN_INPUT, ENABLE);
+
+    T_IO_MSG int_gpio_msg;
+
+    int_gpio_msg.type = IO_MSG_TYPE_GPIO;
+    int_gpio_msg.subtype = 0;
+    if (false == app_send_msg_to_apptask(&int_gpio_msg))
+    {
+        APP_PRINT_ERROR0("[io_gpio] GPIO_Input_Handler: Send int_gpio_msg failed!");
+        //Add user code here!
+        GPIO_ClearINTPendingBit(GPIO_PIN_INPUT);
+        return;
+    }
+
+    GPIO_ClearINTPendingBit(GPIO_PIN_INPUT);
+    GPIO_MaskINTConfig(GPIO_PIN_INPUT, DISABLE);
+    GPIO_INTConfig(GPIO_PIN_INPUT, ENABLE);
+}
+
+/******************* (C) COPYRIGHT 2018 Realtek Semiconductor Corporation *****END OF FILE****/