264 lines
9.7 KiB
C
264 lines
9.7 KiB
C
/**
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****************************************************************************************************
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* @file fm33lg0xx_fl_exti.c
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* @author FMSH Application Team
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* @brief Src file of EXTI FL Module
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****************************************************************************************************
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* @attention
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*
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* Copyright (c) [2021] [Fudan Microelectronics]
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* THIS SOFTWARE is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*
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****************************************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "fm33lg0xx_fl.h"
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/** @addtogroup FM33LG0XX_FL_Driver
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* @{
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*/
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/** @addtogroup EXTI
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* @{
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*/
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#ifdef FL_EXTI_DRIVER_ENABLED
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup EXTI_FL_Private_Macros
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* @{
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*/
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#define IS_EXTI_ALL_INSTANCE(INSTANCE) (((INSTANCE) == FL_GPIO_EXTI_LINE_0)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_1)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_2)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_3)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_4)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_5)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_6)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_7)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_8)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_9)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_10)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_11)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_12)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_13)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_14)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_15)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_16)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_17)||\
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((INSTANCE) == FL_GPIO_EXTI_LINE_18))
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#define IS_EXTI_CLK_SOURCE(__VALUE__) (((__VALUE__) == FL_CMU_EXTI_CLK_SOURCE_HCLK)||\
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((__VALUE__) == FL_CMU_EXTI_CLK_SOURCE_LSCLK))
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#define IS_EXTI_INPUT_GROUP(__VALUE__) (((__VALUE__) == FL_GPIO_EXTI_INPUT_GROUP0)||\
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((__VALUE__) == FL_GPIO_EXTI_INPUT_GROUP1)||\
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((__VALUE__) == FL_GPIO_EXTI_INPUT_GROUP2)||\
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((__VALUE__) == FL_GPIO_EXTI_INPUT_GROUP3))
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#define IS_EXTI_TRIG_EDGE(__VALUE__) (((__VALUE__) == FL_GPIO_EXTI_TRIGGER_EDGE_RISING)||\
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((__VALUE__) == FL_GPIO_EXTI_TRIGGER_EDGE_FALLING)||\
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((__VALUE__) == FL_GPIO_EXTI_TRIGGER_EDGE_BOTH))
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#define IS_EXTI_FILTER(__VALUE__) (((__VALUE__) == FL_ENABLE)||\
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((__VALUE__) == FL_DISABLE))
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/**
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* @}
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*/
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/* Private consts ------------------------------------------------------------*/
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/** @addtogroup EXTI_FL_Private_Consts
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* @{
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*/
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typedef void (*pSetExtiLineFunc)(GPIO_COMMON_Type *, uint32_t);
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static const pSetExtiLineFunc setExtiLineFuncs[] =
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{
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FL_GPIO_SetExtiLine0,
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FL_GPIO_SetExtiLine1,
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FL_GPIO_SetExtiLine2,
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FL_GPIO_SetExtiLine3,
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FL_GPIO_SetExtiLine4,
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FL_GPIO_SetExtiLine5,
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FL_GPIO_SetExtiLine6,
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FL_GPIO_SetExtiLine7,
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FL_GPIO_SetExtiLine8,
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FL_GPIO_SetExtiLine9,
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FL_GPIO_SetExtiLine10,
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FL_GPIO_SetExtiLine11,
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FL_GPIO_SetExtiLine12,
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FL_GPIO_SetExtiLine13,
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FL_GPIO_SetExtiLine14,
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FL_GPIO_SetExtiLine15,
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FL_GPIO_SetExtiLine16,
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FL_GPIO_SetExtiLine17,
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FL_GPIO_SetExtiLine18,
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};
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typedef void (*pSetTrigEdgeFunc)(GPIO_COMMON_Type *, uint32_t, uint32_t);
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static const pSetTrigEdgeFunc setTrigEdgeFuncs[] =
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{
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FL_GPIO_SetTriggerEdge0,
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FL_GPIO_SetTriggerEdge1,
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};
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/**
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* @}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup EXTI_FL_EF_Init
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* @{
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*/
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/**
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* @brief EXTI通用配置设置
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*
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* @param EXTI_CommonInitStruct 指向 @ref FL_EXTI_CommonInitTypeDef 类型的结构体，它包含EXTI外设通用配置信息
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*
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* @retval ErrorStatus枚举值
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* -FL_FAIL 配置过程发生错误
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* -FL_PASS EXTI配置成功
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*/
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FL_ErrorStatus FL_EXTI_CommonInit(FL_EXTI_CommonInitTypeDef *EXTI_CommonInitStruct)
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{
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assert_param(IS_EXTI_CLK_SOURCE(EXTI_CommonInitStruct->clockSource));
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/* 使能IO时钟寄存器总线时钟 */
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FL_CMU_EnableGroup1BusClock(FL_CMU_GROUP1_BUSCLK_PAD);
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/* 使能并配置外部中断时钟源 */
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FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_EXTI);
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FL_CMU_SetEXTIClockSource(EXTI_CommonInitStruct->clockSource);
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return FL_PASS;
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}
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/**
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* @brief 复位EXTI通用配置设置
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*
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* @retval ErrorStatus枚举值
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* -FL_FAIL 发生错误
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* -FL_PASS EXTI通用设置复位成功
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*/
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FL_ErrorStatus FL_EXTI_CommonDeinit(void)
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{
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/* 关闭外部中断时钟源 */
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FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_EXTI);
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return FL_PASS;
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}
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/**
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* @brief 设置 EXTI_CommonInitStruct 为默认配置
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* @param EXTI_CommonInitStruct 指向需要将值设置为默认配置的结构体 @ref FL_EXTI_CommonInitTypeDef 结构体
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*
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* @retval None
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*/
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void FL_EXTI_CommonStructInit(FL_EXTI_CommonInitTypeDef *EXTI_CommonInitStruct)
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{
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EXTI_CommonInitStruct->clockSource = FL_CMU_EXTI_CLK_SOURCE_LSCLK;
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}
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/**
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* @brief EXTI配置设置
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*
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* @param extiLineX 外设入口地址
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* @param EXTI_InitStruct 指向 @ref FL_EXTI_InitTypeDef 类型的结构体，它包含EXTI外设配置信息
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*
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* @retval ErrorStatus枚举值
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* -FL_FAIL 配置过程发生错误
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* -FL_PASS EXTI配置成功
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*/
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FL_ErrorStatus FL_EXTI_Init(uint32_t extiLineX, FL_EXTI_InitTypeDef *EXTI_InitStruct)
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{
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uint8_t extiLineId;
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uint32_t tmpExtiLineX;
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uint32_t i = 0;
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/* 通过内核时钟计算200us延时的计数个数 */
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uint32_t temp = SystemCoreClock / 1000000 * 200 ;
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/* 检查参数合法性 */
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assert_param(IS_EXTI_ALL_INSTANCE(extiLineX));
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assert_param(IS_EXTI_INPUT_GROUP(EXTI_InitStruct->input));
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assert_param(IS_EXTI_TRIG_EDGE(EXTI_InitStruct->triggerEdge));
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assert_param(IS_EXTI_FILTER(EXTI_InitStruct->filter));
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/* 获取EXTI中断线对应id号 */
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tmpExtiLineX = extiLineX;
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for(extiLineId = 0; tmpExtiLineX != FL_GPIO_EXTI_LINE_0; tmpExtiLineX >>= 1, extiLineId++);
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/* 设置中断线连接的IO */
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setExtiLineFuncs[extiLineId](GPIO, EXTI_InitStruct->input << (2 * (extiLineId % 16)));
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/* 设置数字滤波 */
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EXTI_InitStruct->filter == FL_ENABLE ? FL_GPIO_EnableDigitalFilter(GPIO, extiLineX) : FL_GPIO_DisableDigitalFilter(GPIO, extiLineX);
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/* 设置中断线触发边沿 */
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setTrigEdgeFuncs[extiLineId / 16](GPIO, extiLineX, EXTI_InitStruct->triggerEdge);
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/* 等待至少周期6个LSCLK周期，约200us */
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for(i = 0; i < temp; i++)
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{
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__NOP();
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}
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/* 清除外部中断标志 */
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FL_GPIO_ClearFlag_EXTI(GPIO, extiLineX);
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/* 清除中断挂起 */
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NVIC_ClearPendingIRQ(GPIO_IRQn);
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return FL_PASS;
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}
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/**
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* @brief 复位EXTI配置设置
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*
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* @retval ErrorStatus枚举值
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* -FL_FAIL 发生错误
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* -FL_PASS EXTI设置复位成功
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*/
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FL_ErrorStatus FL_EXTI_DeInit(uint32_t extiLineX)
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{
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uint8_t extiLineId;
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uint32_t tmpExtiLineX;
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/* 检查参数合法性 */
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assert_param(IS_EXTI_ALL_INSTANCE(extiLineX));
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/* 获取EXTI中断线对应id号 */
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tmpExtiLineX = extiLineX;
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for(extiLineId = 0; tmpExtiLineX != FL_GPIO_EXTI_LINE_0; tmpExtiLineX >>= 1, extiLineId++);
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/* 清除外部中断标志 */
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FL_GPIO_ClearFlag_EXTI(GPIO, extiLineX);
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/* 中断线触发边沿禁止 */
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setTrigEdgeFuncs[extiLineId / 16](GPIO, extiLineX, FL_GPIO_EXTI_TRIGGER_EDGE_DISABLE);
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/* 禁止数字滤波 */
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FL_GPIO_DisableDigitalFilter(GPIO, extiLineX);
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return FL_PASS;
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}
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/**
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* @brief 设置 EXTI_InitStruct 为默认配置
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* @param EXTI_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_EXTI_InitTypeDef 结构体
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*
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* @retval None
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*/
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void FL_EXTI_StructInit(FL_EXTI_InitTypeDef *EXTI_InitStruct)
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{
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EXTI_InitStruct->filter = FL_DISABLE;
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EXTI_InitStruct->input = FL_GPIO_EXTI_INPUT_GROUP0;
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EXTI_InitStruct->triggerEdge = FL_GPIO_EXTI_TRIGGER_EDGE_RISING;
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}
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/**
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* @}
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*/
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#endif /* FL_EXTI_DRIVER_ENABLED */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/********************** (C) COPYRIGHT Fudan Microelectronics **** END OF FILE ***********************/
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