70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
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/**
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******************************************************************
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* @file bsp_key.c
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* @author fire
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* @version V1.0
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* @date 2015-xx-xx
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* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD>bsp<EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD>
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******************************************************************
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* @attention
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*
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* ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32H750 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* <EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
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* <EFBFBD>Ա<EFBFBD> :http://firestm32.taobao.com
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*
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******************************************************************
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*/
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#include "./key/bsp_key.h"
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/**
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* @brief <EFBFBD><EFBFBD><EFBFBD>ð<EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD>I/O<EFBFBD><EFBFBD>
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* @param <EFBFBD><EFBFBD>
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* @retval <EFBFBD><EFBFBD>
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*/
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void Key_GPIO_Config(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>GPIO<49>ڵ<EFBFBD>ʱ<EFBFBD><CAB1>*/
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KEY1_GPIO_CLK_ENABLE();
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KEY2_GPIO_CLK_ENABLE();
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/*ѡ<><EFBFBD><F1B0B4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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GPIO_InitStructure.Pin = KEY1_PIN;
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>ģʽ*/
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GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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GPIO_InitStructure.Pull = GPIO_NOPULL;
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/*ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľṹ<C4BD><E1B9B9><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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HAL_GPIO_Init(KEY1_GPIO_PORT, &GPIO_InitStructure);
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/*ѡ<><EFBFBD><F1B0B4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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GPIO_InitStructure.Pin = KEY2_PIN;
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/*ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ľṹ<C4BD><E1B9B9><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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HAL_GPIO_Init(KEY2_GPIO_PORT, &GPIO_InitStructure);
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}
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/**
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* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>а<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @param <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ˿ںͶ˿<EFBFBD>λ
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* @arg GPIOx: x<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǣ<EFBFBD>A...G<EFBFBD><EFBFBD>
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* @arg GPIO_PIN <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>GPIO_PIN_x<EFBFBD><EFBFBD>x<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1...16<EFBFBD><EFBFBD>
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* @retval <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬
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* @arg KEY_ON:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @arg KEY_OFF:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*/
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uint8_t Key_Scan(GPIO_TypeDef* GPIOx,uint16_t GPIO_Pin)
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{
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/*<2A><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>а<EFBFBD><D0B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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if(HAL_GPIO_ReadPin(GPIOx,GPIO_Pin) == KEY_ON )
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{
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/*<2A>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD> */
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while(HAL_GPIO_ReadPin(GPIOx,GPIO_Pin) == KEY_ON);
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return KEY_ON;
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}
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else
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return KEY_OFF;
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}
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/****************************END OF FILE**************************/
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