/** **************************************************************************************************** * @file fm33lg0xx_fl_lptim16.c * @author FMSH Application Team * @brief Src file of LPTIM16 FL Module **************************************************************************************************** * @attention * * Copyright (c) [2021] [Fudan Microelectronics] * THIS SOFTWARE is licensed under Mulan PSL v2. * You can use this software according to the terms and conditions of the Mulan PSL v2. * You may obtain a copy of Mulan PSL v2 at: * http://license.coscl.org.cn/MulanPSL2 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. * See the Mulan PSL v2 for more details. * **************************************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "fm33lg0xx_fl.h" /** @addtogroup FM33LG0XX_FL_Driver * @{ */ /** @addtogroup LPTIM16 * @{ */ #ifdef FL_LPTIM16_DRIVER_ENABLED /* Private macros ------------------------------------------------------------*/ /** @addtogroup LPTIM16_FL_Private_Macros * @{ */ #define IS_LPTIM16_INSTANCE(INSTANCE) (((INSTANCE) == LPTIM16)) #define IS_FL_LPTIM16_CHANNEL(__VALUE__) (((__VALUE__) == FL_LPTIM16_CHANNEL_1)||\ ((__VALUE__) == FL_LPTIM16_CHANNEL_2)) #define IS_FL_LPTIM16_CMU_CLK_SOURCE(__VALUE__) (((__VALUE__) == FL_CMU_LPTIM16_CLK_SOURCE_RCLF)||\ ((__VALUE__) == FL_CMU_LPTIM16_CLK_SOURCE_RCLP)||\ ((__VALUE__) == FL_CMU_LPTIM16_CLK_SOURCE_LSCLK)||\ ((__VALUE__) == FL_CMU_LPTIM16_CLK_SOURCE_APBCLK)) #define IS_FL_LPTIM16_CLK_SOURCE(__VALUE__) (((__VALUE__) == FL_LPTIM16_CLK_SOURCE_INTERNAL)||\ ((__VALUE__) == FL_LPTIM16_CLK_SOURCE_EXTERNAL)) #define IS_FL_LPTIM16_PSC(__VALUE__) (((__VALUE__) == FL_LPTIM16_PSC_DIV1)||\ ((__VALUE__) == FL_LPTIM16_PSC_DIV2)||\ ((__VALUE__) == FL_LPTIM16_PSC_DIV4)||\ ((__VALUE__) == FL_LPTIM16_PSC_DIV8)||\ ((__VALUE__) == FL_LPTIM16_PSC_DIV16)||\ ((__VALUE__) == FL_LPTIM16_PSC_DIV32)||\ ((__VALUE__) == FL_LPTIM16_PSC_DIV64)||\ ((__VALUE__) == FL_LPTIM16_PSC_DIV128)) #define IS_FL_LPTIM16_OPERATION_MODE(__VALUE__) (((__VALUE__) == FL_LPTIM16_OPERATION_MODE_NORMAL)||\ ((__VALUE__) == FL_LPTIM16_OPERATION_MODE_EXTERNAL_TRIGGER_CNT)||\ ((__VALUE__) == FL_LPTIM16_OPERATION_MODE_EXTERNAL_ASYNC_PULSE_CNT)||\ ((__VALUE__) == FL_LPTIM16_OPERATION_MODE_TIMEOUT)) #define IS_FL_LPTIM16_ENCODER_MODE(__VALUE__) (((__VALUE__) == FL_LPTIM16_ENCODER_MODE_DISABLE)||\ ((__VALUE__) == FL_LPTIM16_ENCODER_MODE_TI1FP1_TI2FP2_CNT)||\ ((__VALUE__) == FL_LPTIM16_ENCODER_MODE_TI2FP2_TI1FP1_CNT)||\ ((__VALUE__) == FL_LPTIM16_ENCODER_MODE_TI2FP2_CNT_TI1FP1_CNT)) #define IS_FL_LPTIM16_ETR_TRIGGER_EDGE(__VALUE__) (((__VALUE__) == FL_LPTIM16_ETR_TRIGGER_EDGE_RISING)||\ ((__VALUE__) == FL_LPTIM16_ETR_TRIGGER_EDGE_FALLING)||\ ((__VALUE__) == FL_LPTIM16_ETR_TRIGGER_EDGE_BOTH)) #define IS_FL_LPTIM16_ETR_COUNT_EDGE(__VALUE__) (((__VALUE__) == FL_LPTIM16_ETR_COUNT_EDGE_RISING)||\ ((__VALUE__) == FL_LPTIM16_ETR_COUNT_EDGE_FALLING)) #define IS_FL_LPTIM16_ONE_PULSE_MODE(__VALUE__) (((__VALUE__) == FL_LPTIM16_ONE_PULSE_MODE_CONTINUOUS)||\ ((__VALUE__) == FL_LPTIM16_ONE_PULSE_MODE_SINGLE)) #define IS_FL_LPTIM16_IC_EDGE(__VALUE__) (((__VALUE__) == FL_LPTIM16_IC_EDGE_RISING)||\ ((__VALUE__) == FL_LPTIM16_IC_EDGE_FALLING)||\ ((__VALUE__) == FL_LPTIM16_IC_EDGE_BOTH)) #define IS_FL_LPTIM16_IC_POLARITY(__VALUE__) (((__VALUE__) == FL_LPTIM16_IC_POLARITY_NORMAL)||\ ((__VALUE__) == FL_LPTIM16_IC_POLARITY_INVERT)) #define IS_FL_LPTIM16_OC_POLARITY(__VALUE__) (((__VALUE__) == FL_LPTIM16_OC_POLARITY_NORMAL)||\ ((__VALUE__) == FL_LPTIM16_OC_POLARITY_INVERT)) #define IS_FL_LPTIM16_IC1_CAPTURE_SOURCE(__VALUE__) (((__VALUE__) == FL_LPTIM16_IC1_CAPTURE_SOURCE_GROUP0)||\ ((__VALUE__) == FL_LPTIM16_IC1_CAPTURE_SOURCE_GROUP1)||\ ((__VALUE__) == FL_LPTIM16_IC1_CAPTURE_SOURCE_GROUP2)||\ ((__VALUE__) == FL_LPTIM16_IC1_CAPTURE_SOURCE_GROUP3)) #define IS_FL_LPTIM16_TRGO_SOURCE(__VALUE__) (((__VALUE__) == FL_LPTIM16_TRGO_ENABLE)||\ ((__VALUE__) == FL_LPTIM16_TRGO_UPDATE)||\ ((__VALUE__) == FL_LPTIM16_TRGO_OC1_CMP_PULSE)||\ ((__VALUE__) == FL_LPTIM16_TRGO_IC1_EVENT)||\ ((__VALUE__) == FL_LPTIM16_TRGO_IC2_EVENT)) /** * @} */ /* Exported functions --------------------------------------------------------*/ /** @addtogroup LPTIM16_FL_EF_Init * @{ */ /** * @brief 复位LPTIM16 外设 * @param 外设入口地址 * @retval 返回错误状态，可能值： * -FL_PASS 外设寄存器值恢复复位值 * -FL_FAIL 未成功执行 */ FL_ErrorStatus FL_LPTIM16_DeInit(LPTIM16_Type *LPTIM16x) { /* 参数检查 */ assert_param(IS_LPTIM16_INSTANCE(LPTIM16x)); /* 使能外设复位 */ FL_RMU_EnablePeripheralReset(RMU); /* 复位外设寄存器 */ FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_LPTIM16); FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_LPTIM16); /* 关闭外设总线时钟和工作时钟 */ FL_CMU_DisableGroup1BusClock(FL_CMU_GROUP1_BUSCLK_LPTIM16); FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_LPTIM16); /* 锁定外设复位 */ FL_RMU_DisablePeripheralReset(RMU); return FL_PASS; } /** * @brief 根据需要功能配置LPTIM16寄存器使之工作在定时器功能模式下 * * @note 需要使用ETR作为计数源时，建议根据需求配置为异步脉冲计数模式 * @ref FL_LPTIM16_OPERATION_MODE_EXTERNAL_ASYNC_PULSE_CNT 或外部触发计数模式 * @ref FL_LPTIM16_OPERATION_MODE_EXTERNAL_TRIGGER_CNT * * @param LPTIM16x 外设入口地址 * @param init 为 @ref FL_LPTIM16_InitTypeDef类型的结构体 * * @retval ErrorStatus枚举值 * -FL_FAIL 配置过程发生错误 * -FL_PASS LPTIM16配置成功 */ FL_ErrorStatus FL_LPTIM16_Init(LPTIM16_Type *LPTIM16x, FL_LPTIM16_InitTypeDef *init) { /* 参数检查 */ assert_param(IS_LPTIM16_INSTANCE(LPTIM16x)); assert_param(IS_FL_LPTIM16_CMU_CLK_SOURCE(init->clockSource)); assert_param(IS_FL_LPTIM16_CLK_SOURCE(init->prescalerClockSource)); assert_param(IS_FL_LPTIM16_PSC(init->prescaler)); assert_param(IS_FL_LPTIM16_OPERATION_MODE(init->mode)); assert_param(IS_FL_LPTIM16_ENCODER_MODE(init->encoderMode)); assert_param(IS_FL_LPTIM16_ONE_PULSE_MODE(init->onePulseMode)); assert_param(IS_FL_LPTIM16_ETR_TRIGGER_EDGE(init->triggerEdge)); assert_param(IS_FL_LPTIM16_ETR_COUNT_EDGE(init->countEdge)); /* 时钟配置 */ if(LPTIM16x == LPTIM16) { /* 使能总线时钟 */ FL_CMU_EnableGroup1BusClock(FL_CMU_GROUP1_BUSCLK_LPTIM16); /* 除了异步计数模式，其他模式都需要使能工作时钟 */ if(init->mode != FL_LPTIM16_OPERATION_MODE_EXTERNAL_ASYNC_PULSE_CNT) { /* 使能工作时钟 */ FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_LPTIM16); /* 设置工作时钟时钟源 */ FL_CMU_SetLPTIM16ClockSource(init->clockSource); } } else { return FL_FAIL; } /* 配置分频器的时钟源 */ FL_LPTIM16_SetClockSource(LPTIM16x, init->prescalerClockSource); /* 配置时钟分频 */ FL_LPTIM16_SetPrescaler(LPTIM16x, init->prescaler); /* 配置重装载值 */ FL_LPTIM16_WriteAutoReload(LPTIM16x, init->autoReload); /* 配置定时器工作模式 */ FL_LPTIM16_SetOperationMode(LPTIM16x, init->mode); /* 配置编码器模式 */ if(init->mode == FL_LPTIM16_OPERATION_MODE_NORMAL) { FL_LPTIM16_SetEncoderMode(LPTIM16x, init->encoderMode); } /* 单次计数模式 */ FL_LPTIM16_SetOnePulseMode(LPTIM16x, init->onePulseMode); /* 配置定时器不同模式下的特殊寄存器 */ switch(init->mode) { case FL_LPTIM16_OPERATION_MODE_NORMAL: { /* ETR作为时钟时和异步脉冲计数模式信号路径一样，需要使能模拟滤波，并配置边沿 */ if(init->prescalerClockSource == FL_LPTIM16_CLK_SOURCE_EXTERNAL) { /* 配置异步计数边沿 */ FL_LPTIM16_SetETRCountEdge(LPTIM16x, init->countEdge); /* 开启外部输入滤波 */ FL_LPTIM16_EnableETRFilter(LPTIM16x); } } break; case FL_LPTIM16_OPERATION_MODE_EXTERNAL_TRIGGER_CNT: { /* 配置外部输入有效边沿 */ FL_LPTIM16_SetETRTriggerEdge(LPTIM16x, init->triggerEdge); } break; case FL_LPTIM16_OPERATION_MODE_EXTERNAL_ASYNC_PULSE_CNT: { /* 配置异步计数边沿 */ FL_LPTIM16_SetETRCountEdge(LPTIM16x, init->countEdge); /* 开启外部输入滤波 */ FL_LPTIM16_EnableETRFilter(LPTIM16x); } break; case FL_LPTIM16_OPERATION_MODE_TIMEOUT: { /* 配置外部输入有效边沿 */ FL_LPTIM16_SetETRTriggerEdge(LPTIM16x, init->triggerEdge); } break; default: return FL_FAIL; } return FL_PASS; } /** * @brief 设置 LPTIM16_InitStruct 为默认配置 * @param init 为 @ref FL_LPTIM16_InitTypeDef类型的结构体 * * @retval None */ void FL_LPTIM16_StructInit(FL_LPTIM16_InitTypeDef *init) { init->clockSource = FL_CMU_LPTIM16_CLK_SOURCE_APBCLK; init->prescalerClockSource = FL_LPTIM16_CLK_SOURCE_INTERNAL; init->prescaler = FL_LPTIM16_PSC_DIV1; init->autoReload = 0; init->mode = FL_LPTIM16_OPERATION_MODE_NORMAL; init->countEdge = FL_LPTIM16_ETR_COUNT_EDGE_RISING; init->triggerEdge = FL_LPTIM16_ETR_TRIGGER_EDGE_RISING; init->encoderMode = FL_LPTIM16_ENCODER_MODE_DISABLE; init->onePulseMode = FL_LPTIM16_ONE_PULSE_MODE_CONTINUOUS; } /** * @brief 配置LPTIM16工作在输入捕获模式 * * @param LPTIM16x 外设入口地址 * @param ic_init 为 @ref FL_LPTIM16_IC_InitTypeDef类型的结构体 * @param Channel LPTIM16输入通道 * * @retval ErrorStatus枚举值 * -FL_FAIL 配置过程发生错误 * -FL_PASS LPTIM16配置成功 */ FL_ErrorStatus FL_LPTIM16_IC_Init(LPTIM16_Type *LPTIM16x, uint32_t Channel, FL_LPTIM16_IC_InitTypeDef *ic_init) { /* 参数检查 */ assert_param(IS_LPTIM16_INSTANCE(LPTIM16x)); assert_param(IS_FL_LPTIM16_CHANNEL(Channel)); assert_param(IS_FL_LPTIM16_IC_EDGE(ic_init->ICEdge)); assert_param(IS_FL_LPTIM16_IC_POLARITY(ic_init->ICInputPolarity)); assert_param(IS_FL_LPTIM16_IC1_CAPTURE_SOURCE(ic_init->channel1CaptureSource)); /* 通道1捕获源 & 预分频 */ if(Channel == FL_LPTIM16_CHANNEL_1) { FL_LPTIM16_IC_WriteChannel1Prescaler(LPTIM16x, ic_init->channel1Prescaler); FL_LPTIM16_IC_SetChannel1CaptureSource(LPTIM16x, ic_init->channel1CaptureSource); } if(ic_init->ICInputDigitalFilter == FL_DISABLE) { FL_LPTIM16_DisableDigitalFilter(LPTIM16, Channel); } else { FL_LPTIM16_EnableDigitalFilter(LPTIM16, Channel); } /* 捕获通道极性 */ FL_LPTIM16_IC_SetInputPolarity(LPTIM16x, ic_init->ICInputPolarity, Channel); /* 配置捕获边沿 */ FL_LPTIM16_IC_SetCaptureEdge(LPTIM16x, ic_init->ICEdge, Channel); /* 通道输入捕获使能 */ FL_LPTIM16_SetChannelMode(LPTIM16x, FL_LPTIM16_CHANNEL_MODE_INPUT, Channel); return FL_PASS; } /** * @brief 设置 LPTIM16_IC_InitStruct 为默认配置 * @param ic_init 为 @ref FL_LPTIM16_IC_InitTypeDef类型的结构体 * * @retval None */ void FL_LPTIM16_IC_StructInit(FL_LPTIM16_IC_InitTypeDef *ic_init) { ic_init->ICInputPolarity = FL_LPTIM16_IC_POLARITY_NORMAL; ic_init->ICInputDigitalFilter = FL_DISABLE; ic_init->ICEdge = FL_LPTIM16_IC_EDGE_RISING; ic_init->channel1Prescaler = 1 - 1; ic_init->channel1CaptureSource = FL_LPTIM16_IC1_CAPTURE_SOURCE_GROUP0; } /** * @brief 根据需要功能配置LPTIM16寄存器工作在输出比较模式 * * @param LPTIM16x 外设入口地址 * @param oc_init 为 @ref FL_LPTIM16_OC_InitTypeDef类型的结构体 * @param Channel LPTIM16输出通道 * * @retval ErrorStatus枚举值 * -FL_FAIL 配置过程发生错误 * -FL_PASS LPTIM16配置成功 */ FL_ErrorStatus FL_LPTIM16_OC_Init(LPTIM16_Type *LPTIM16x, uint32_t Channel, FL_LPTIM16_OC_InitTypeDef *oc_init) { /* 参数检查 */ assert_param(IS_LPTIM16_INSTANCE(LPTIM16x)); assert_param(IS_FL_LPTIM16_CHANNEL(Channel)); assert_param(IS_FL_LPTIM16_OC_POLARITY(oc_init->OCPolarity)); /* 比较通道极性 */ FL_LPTIM16_OC_SetPolarity(LPTIM16x, oc_init->OCPolarity, Channel); /* 设置比较值 */ switch(Channel) { case FL_LPTIM16_CHANNEL_1: FL_LPTIM16_WriteCompareCH1(LPTIM16x, oc_init->compareValue); break; case FL_LPTIM16_CHANNEL_2: FL_LPTIM16_WriteCompareCH2(LPTIM16x, oc_init->compareValue); break; default : return FL_FAIL; } /* 通道输出比较使能 */ FL_LPTIM16_SetChannelMode(LPTIM16x, FL_LPTIM16_CHANNEL_MODE_OUTPUT, Channel); return FL_PASS; } /** * @brief 设置 LPTIM16_OC_InitStruct 为默认配置 * @param oc_init 为 @ref FL_LPTIM16_OC_InitTypeDef类型的结构体 * * @retval None */ void FL_LPTIM16_OC_StructInit(FL_LPTIM16_OC_InitTypeDef *oc_init) { oc_init->compareValue = 0; oc_init->OCPolarity = FL_LPTIM16_OC_POLARITY_NORMAL; } /** * @} */ #endif /* FL_LPTIM16_DRIVER_ENABLED */ /** * @} */ /** * @} */ /*************************(C) COPYRIGHT Fudan Microelectronics **** END OF FILE*************************/