NULL
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195
user/MCU/lhl_lptimer.c
Executable file
195
user/MCU/lhl_lptimer.c
Executable file
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#include "../main/SystemInclude.h"
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/**------------------------------------------------------------------------
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* @brief LPTimer <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD>ã<EFBFBD>
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* @note <20><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>ʱ<EFBFBD><CAB1>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD>ʱ<EFBFBD><CAB1>Դ<EFBFBD><D4B4> LPTIM_CLK_ENABLE_LSE <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* Ԥ<><D4A4>Ƶϵ<C6B5><CFB5><EFBFBD>̶<EFBFBD>Ϊ DIV2<56><32>LSI <20><> LSE Ƶ<>ʳ<EFBFBD><CAB3><EFBFBD>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD>
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* @param lptimer: LPTIM1 <20><> LPTIM2
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* @example <20>ڲ<EFBFBD>ʹ<EFBFBD>ã<EFBFBD><C3A3><EFBFBD>ֱ<EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD>
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**/
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static void LPTIM_Init(LPTIM_TypeDef *lptimer)
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{
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LPTIM_InitTypeDef LPTIM_InitStructure; /* 1. <20><>ʼ<EFBFBD><CABC>LPTimer Base */
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LPTIM_InitStructure.Mode = LPTIM_MODE_TIMER_COUNTER; // <20><>ʱ<EFBFBD><CAB1>ģʽ
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#if LPTIM_CLK_ENABLE_LSE
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LHL_RCC_LSEConfig(ENABLE);
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LPTIM_InitStructure.Clock = LPTIM_CLOCKSOURCE_LSE; // LPTIMʱ<4D><CAB1>ԴLSE
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#else
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LHL_RCC_LSEConfig(DISABLE);
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LPTIM_InitStructure.Clock = LPTIM_CLOCKSOURCE_LSI; // LPTIMʱ<4D><CAB1>ԴLSI
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#endif
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LPTIM_InitStructure.Prescaler = LPTIM_PRESCALER_DIV2; // Ԥ<><D4A4>Ƶϵ<C6B5><CFB5>2 <20><><EFBFBD><EFBFBD> 16384 Ϊ1s
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LPTIM_InitStructure.FreeRunning = DISABLE; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
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LHL_LPTIM_Init(lptimer, &LPTIM_InitStructure);
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}
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/*==================================================================================*/
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/*LPTimer1==========================================================================*/
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/*==================================================================================*/
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/**------------------------------------------------------------------------
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* @brief <20><><EFBFBD><EFBFBD> LPTIM1<4D><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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* @note ʱ<><CAB1>Ƶ<EFBFBD><C6B5>Ϊ 32768Hz<48><7A>Ԥ<EFBFBD><D4A4>Ƶ DIV2 <20><>ʵ<EFBFBD><CAB5>ʱ<EFBFBD><CAB1>Ϊ 16384Hz<48><7A>
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* <20><><EFBFBD>ڼ<EFBFBD><DABC>㣺<EFBFBD><E3A3BA><EFBFBD><EFBFBD>ֵ uploadCounter = (16384/1000) * t(ms) = 16.384 * t
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* <20><><EFBFBD><EFBFBD> t=125ms<6D><73>uploadCounter<65><72>2048<34><38>
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* @param uploadCounter: <20>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>Χ 1~65535<33><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
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* @example StartLPTimer1(2048); // <20><><EFBFBD><EFBFBD> 125ms <20><><EFBFBD>ڶ<EFBFBD>ʱ<EFBFBD><CAB1>
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**/
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void StartLPTimer1(u16 uploadCounter)//125ms 250ms ......
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{
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/* 1. <20><>ʼ<EFBFBD><CABC>LPTimer Base */
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LHL_LPTIM_DeInit(LPTIM1);
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LPTIM_Init(LPTIM1);
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/* 2. <20><><EFBFBD><EFBFBD>LPTimer<65>ж<EFBFBD> */
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LHL_LPTIM_ITConfig(LPTIM1, ENABLE);
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NVIC_EnableIRQ(LPTIM1_IRQn);
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/* 3. <20><><EFBFBD><EFBFBD>LPTimer1 */
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LHL_LPTIM_Start(LPTIM1, uploadCounter);
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}
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/**------------------------------------------------------------------------
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* @brief <20><><EFBFBD><EFBFBD> LPTIM1 <20><><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ģ<DEB8>
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* @note <20><>ͣ<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±Ƚ<C2B1>ֵ CMR<4D><52><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <20><><EFBFBD>¿<EFBFBD>ʼ<EFBFBD><CABC>
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* @param uploadCounter: <20>µ<EFBFBD><C2B5><EFBFBD>װ<EFBFBD><D7B0>ֵ <20><><EFBFBD>㷽ʽ16.384 * t
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* @example ResetLPTimer1(4096); // <20><><EFBFBD><EFBFBD><EFBFBD>ڸ<EFBFBD>Ϊ 250ms
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**/
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void ResetLPTimer1(u16 uploadCounter)
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{
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LPTIM1->CSR &= ~LPTIM_CSR_TEN_Msk;// 1. <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>
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LPTIM1->CSR |= LPTIM_CSR_TCF_Msk; // 2. <20><><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD>жϱ<D0B6>־
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LPTIM1->CMR = uploadCounter; // 3. <20><><EFBFBD><EFBFBD><EFBFBD>µıȽ<C4B1>ֵ
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LPTIM1->CSR |= LPTIM_CSR_TEN_Msk; // 4. <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <20><>ʼ
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}
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/**------------------------------------------------------------------------
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* @brief ֹͣ LPTIM1
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* @note <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>λ TEN <20><><EFBFBD>㣬<EFBFBD><E3A3AC><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD>жϱ<D0B6>־<EFBFBD><D6BE>
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* @param <20><>
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* @example StopLPTimer1();
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**/
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void StopLPTimer1(void)
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{
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LPTIM1->CSR &= ~LPTIM_CSR_TEN_Msk;// 1. <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>
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LPTIM1->CSR |= LPTIM_CSR_TCF_Msk; // 2. <20><><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD>жϱ<D0B6>־
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}
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/*==================================================================================*/
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/*LPTimer2==========================================================================*/
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/*==================================================================================*/
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/**------------------------------------------------------------------------
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* @brief <20><><EFBFBD><EFBFBD> LPTIM2<4D><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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* @note ͬ LPTIM1<4D><31>ʱ<EFBFBD><CAB1>Ƶ<EFBFBD><C6B5> 32768Hz<48><7A>Ԥ<EFBFBD><D4A4>Ƶ DIV2<56><32><EFBFBD><EFBFBD><EFBFBD>ڼ<EFBFBD><DABC><EFBFBD><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC>
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* @param uploadCounter: <20>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ
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* @example StartLPTimer2(2048); // <20><><EFBFBD><EFBFBD> 125ms <20><><EFBFBD>ڶ<EFBFBD>ʱ<EFBFBD><CAB1>
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**/
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void StartLPTimer2(u16 uploadCounter)//125ms 250ms ......
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{
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/* 1. <20><>ʼ<EFBFBD><CABC>LPTimer Base */
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LHL_LPTIM_DeInit(LPTIM2);
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LPTIM_Init(LPTIM2);
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/* 2. <20><><EFBFBD><EFBFBD>LPTimer<65>ж<EFBFBD> */
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LHL_LPTIM_ITConfig(LPTIM2, ENABLE);
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NVIC_EnableIRQ(LPTIM2_IRQn);
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/* 3. <20><><EFBFBD><EFBFBD>LPTimer1<72><31>2 */
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LHL_LPTIM_Start(LPTIM2, uploadCounter);
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}
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/**------------------------------------------------------------------------
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* @brief <20><><EFBFBD><EFBFBD> LPTIM2 <20><><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ģ<DEB8>
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* @param uploadCounter: <20>µ<EFBFBD><C2B5><EFBFBD>װ<EFBFBD><D7B0>ֵ <20><><EFBFBD>㷽ʽ16.384 * t
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* @example ResetLPTimer2(4096);
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**/
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void ResetLPTimer2(u16 uploadCounter)
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{
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LPTIM2->CSR &= ~LPTIM_CSR_TEN_Msk;// 1. <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>
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LPTIM2->CSR |= LPTIM_CSR_TCF_Msk; // 2. <20><><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD>жϱ<D0B6>־
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LPTIM2->CMR = uploadCounter; // 3. <20><><EFBFBD><EFBFBD><EFBFBD>µıȽ<C4B1>ֵ
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LPTIM2->CSR |= LPTIM_CSR_TEN_Msk; // 4. <20><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0 <20><>ʼ
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}
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/**------------------------------------------------------------------------
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* @brief ֹͣ LPTIM2
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* @example StopLPTimer2();
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**/
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void StopLPTimer2(void)
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{
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LPTIM2->CSR &= ~LPTIM_CSR_TEN_Msk;// 1. <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>
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LPTIM2->CSR |= LPTIM_CSR_TCF_Msk; // 2. <20><><EFBFBD><EFBFBD><EFBFBD>Ƚ<EFBFBD><C8BD>жϱ<D0B6>־
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}
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/*==================================================================================*/
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/*<2A><EFBFBD><CDB9>Ķ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>====================================================================*/
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/*==================================================================================*/
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/**------------------------------------------------------------------------
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* @brief ע<><D7A2> LPTIM1/LPTIM2 <20>жϻص<CFBB><D8B5><EFBFBD><EFBFBD><EFBFBD>
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* @param lptimer: LPTIM1 <20><> LPTIM2
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* @param lptim_irq_callback: <20>û<EFBFBD><C3BB>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>루<EFBFBD><EFBFBD><DEB2><EFBFBD><EFBFBD><EFBFBD><DEB7><EFBFBD>ֵ<EFBFBD><D6B5>
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* @note ÿ<><C3BF><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ֻ<EFBFBD><D6BB>ע<EFBFBD><D7A2>һ<EFBFBD><D2BB><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><D5B9><EFBFBD><EFBFBD>
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* ע<><D7A2>ʱ<EFBFBD><CAB1><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־<EFBFBD><D6BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD> NVIC <20>жϡ<D0B6>
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* @example lptimer_register_irq_callback(LPTIM1, my_callback);
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**/
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static lptimer_irq_callback_t lptim1_irq_callback,lptim2_irq_callback ;
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void lptimer_register_irq_callback(LPTIM_TypeDef *lptimer ,lptimer_irq_callback_t lptim_irq_callback)
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{
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if(lptimer == LPTIM1)
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{
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lptim1_irq_callback = lptim_irq_callback;//<2F><>ֵ<EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
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LHL_LPTIM_ClearPending(LPTIM1);// <20><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־
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NVIC_EnableIRQ(LPTIM1_IRQn);//<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
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}
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else if(lptimer == LPTIM2)
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{
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lptim2_irq_callback = lptim_irq_callback;
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LHL_LPTIM_ClearPending(LPTIM2);// <20><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־
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NVIC_EnableIRQ(LPTIM2_IRQn);
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}
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}
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/**------------------------------------------------------------------------
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* @brief LPTIM1 <20>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @note <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־<EFBFBD><D6BE>
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* @param <20><>
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**/
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void LPTIM1_IRQHandler(void)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD>˻ص<CBBB><D8B5><EFBFBD><EFBFBD><EFBFBD>
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if (lptim1_irq_callback != NULL) lptim1_irq_callback();// <20><><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>ע<EFBFBD><D7A2><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
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LHL_LPTIM_ClearPending(LPTIM1); // <20><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־
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}
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/**------------------------------------------------------------------------
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* @brief LPTIM2 <20>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* @note <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־<EFBFBD><D6BE>
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* @param <20><>
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**/
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void LPTIM2_IRQHandler(void)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><D7A2><EFBFBD>˻ص<CBBB><D8B5><EFBFBD><EFBFBD><EFBFBD>
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if (lptim2_irq_callback != NULL) lptim2_irq_callback();// <20><><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>ע<EFBFBD><D7A2><EFBFBD>Ļص<C4BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
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LHL_LPTIM_ClearPending(LPTIM2); // <20><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־
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}
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