/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2018-07-15 ZYH first version */ #include #include #include #include #define MAX_PERIOD 65535 #define MIN_PERIOD 3 #define MIN_PULSE 2 static rt_err_t drv_pwm_control(struct rt_device_pwm *device, int cmd, void *arg); static struct rt_pwm_ops drv_ops = { drv_pwm_control }; static rt_err_t drv_pwm_enable(TIM_HandleTypeDef *htim, struct rt_pwm_configuration *configuration, rt_bool_t enable) { rt_uint32_t channel = 0x04 * (configuration->channel - 1); if (!enable) { HAL_TIM_PWM_Stop(htim, channel); } else { HAL_TIM_PWM_Start(htim, channel); } return RT_EOK; } static rt_err_t drv_pwm_get(TIM_HandleTypeDef *htim, struct rt_pwm_configuration *configuration) { rt_uint32_t channel = 0x04 * (configuration->channel - 1); rt_uint32_t tim_clock; #if (RT_HSE_HCLK > 100000000UL)//100M if (htim->Instance == TIM1 && htim->Instance == TIM8) { tim_clock = SystemCoreClock; } else { tim_clock = SystemCoreClock / 2; } #else tim_clock = SystemCoreClock; #endif if (__HAL_TIM_GET_CLOCKDIVISION(htim) == TIM_CLOCKDIVISION_DIV2) { tim_clock = tim_clock / 2; } else if (__HAL_TIM_GET_CLOCKDIVISION(htim) == TIM_CLOCKDIVISION_DIV4) { tim_clock = tim_clock / 4; } tim_clock /= 1000000UL; configuration->period = (__HAL_TIM_GET_AUTORELOAD(htim) + 1) * (htim->Instance->PSC + 1) * 1000UL / tim_clock; configuration->pulse = (__HAL_TIM_GET_COMPARE(htim, channel) + 1) * (htim->Instance->PSC + 1) * 1000UL / tim_clock; return RT_EOK; } static rt_err_t drv_pwm_set(TIM_HandleTypeDef *htim, struct rt_pwm_configuration *configuration) { rt_uint32_t period, pulse; rt_uint32_t tim_clock, psc; rt_uint32_t channel = 0x04 * (configuration->channel - 1); #if (RT_HSE_HCLK > 100000000UL)//100M if (htim->Instance == TIM1 && htim->Instance == TIM8) { tim_clock = SystemCoreClock; } else { tim_clock = SystemCoreClock / 2; } #else tim_clock = SystemCoreClock; #endif tim_clock /= 1000000UL; period = (unsigned long long)configuration->period * tim_clock / 1000ULL ; psc = period / MAX_PERIOD + 1; period = period / psc; __HAL_TIM_SET_PRESCALER(htim, psc - 1); if (period < MIN_PERIOD) { period = MIN_PERIOD; } __HAL_TIM_SET_AUTORELOAD(htim, period - 1); pulse = (unsigned long long)configuration->pulse * tim_clock / psc / 1000ULL; if (pulse < MIN_PULSE) { pulse = MIN_PULSE; } else if (pulse > period) { pulse = period; } __HAL_TIM_SET_COMPARE(htim, channel, pulse - 1); __HAL_TIM_SET_COUNTER(htim, 0); return RT_EOK; } static rt_err_t drv_pwm_control(struct rt_device_pwm *device, int cmd, void *arg) { struct rt_pwm_configuration *configuration = (struct rt_pwm_configuration *)arg; TIM_HandleTypeDef *htim = (TIM_HandleTypeDef *)device->parent.user_data; switch (cmd) { case PWM_CMD_ENABLE: return drv_pwm_enable(htim, configuration, RT_TRUE); case PWM_CMD_DISABLE: return drv_pwm_enable(htim, configuration, RT_FALSE); case PWM_CMD_SET: return drv_pwm_set(htim, configuration); case PWM_CMD_GET: return drv_pwm_get(htim, configuration); default: return RT_EINVAL; } } static void HAL_TIM_MspPostInit(TIM_HandleTypeDef *timHandle); #ifdef BSP_USING_PWM1 TIM_HandleTypeDef htim1; #endif #ifdef BSP_USING_PWM2 TIM_HandleTypeDef htim2; #endif #ifdef BSP_USING_PWM3 TIM_HandleTypeDef htim3; #endif #ifdef BSP_USING_PWM4 TIM_HandleTypeDef htim4; #endif #ifdef BSP_USING_PWM5 TIM_HandleTypeDef htim5; #endif #ifdef BSP_USING_PWM1 static void MX_TIM1_Init(void) { TIM_MasterConfigTypeDef sMasterConfig; TIM_OC_InitTypeDef sConfigOC; TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig; htim1.Instance = TIM1; htim1.Init.Prescaler = 0; htim1.Init.CounterMode = TIM_COUNTERMODE_UP; htim1.Init.Period = 0; htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; htim1.Init.RepetitionCounter = 0; if (HAL_TIM_PWM_Init(&htim1) != HAL_OK) { RT_ASSERT(0); } sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK) { RT_ASSERT(0); } sConfigOC.OCMode = TIM_OCMODE_PWM1; sConfigOC.Pulse = 0; sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH; sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH; sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET; sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET; #ifdef BSP_USING_PWM1_CH1 if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM1_CH1 */ #ifdef BSP_USING_PWM1_CH2 if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_2) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM1_CH2 */ #ifdef BSP_USING_PWM1_CH3 if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_3) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM1_CH3 */ #ifdef BSP_USING_PWM1_CH4 if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_4) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM1_CH4 */ sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE; sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE; sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF; sBreakDeadTimeConfig.DeadTime = 0; sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE; sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH; sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE; if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK) { RT_ASSERT(0); } HAL_TIM_MspPostInit(&htim1); } #endif /* BSP_USING_PWM1 */ #ifdef BSP_USING_PWM2 static void MX_TIM2_Init(void) { TIM_MasterConfigTypeDef sMasterConfig; TIM_OC_InitTypeDef sConfigOC; htim2.Instance = TIM2; htim2.Init.Prescaler = 0; htim2.Init.CounterMode = TIM_COUNTERMODE_UP; htim2.Init.Period = 0; htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; if (HAL_TIM_PWM_Init(&htim2) != HAL_OK) { RT_ASSERT(0); } sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK) { RT_ASSERT(0); } sConfigOC.OCMode = TIM_OCMODE_PWM1; sConfigOC.Pulse = 0; sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH; sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; #ifdef BSP_USING_PWM2_CH1 if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM2_CH1 */ #ifdef BSP_USING_PWM2_CH2 if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_2) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM2_CH2 */ #ifdef BSP_USING_PWM2_CH3 if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_3) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM2_CH3 */ #ifdef BSP_USING_PWM2_CH4 if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_4) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM2_CH3 */ HAL_TIM_MspPostInit(&htim2); } #endif /* BSP_USING_PWM2 */ #ifdef BSP_USING_PWM3 void MX_TIM3_Init(void) { TIM_MasterConfigTypeDef sMasterConfig; TIM_OC_InitTypeDef sConfigOC; htim3.Instance = TIM3; htim3.Init.Prescaler = 0; htim3.Init.CounterMode = TIM_COUNTERMODE_UP; htim3.Init.Period = 0; htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; if (HAL_TIM_PWM_Init(&htim3) != HAL_OK) { RT_ASSERT(0); } sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) { RT_ASSERT(0); } sConfigOC.OCMode = TIM_OCMODE_PWM1; sConfigOC.Pulse = 0; sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH; sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; #ifdef BSP_USING_PWM3_CH1 if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM3_CH1 */ #ifdef BSP_USING_PWM3_CH2 if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_2) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM3_CH2 */ #ifdef BSP_USING_PWM3_CH3 if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_3) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM3_CH3 */ #ifdef BSP_USING_PWM3_CH4 if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_4) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM3_CH4 */ HAL_TIM_MspPostInit(&htim3); } #endif /* BSP_USING_PWM3 */ #ifdef BSP_USING_PWM4 void MX_TIM4_Init(void) { TIM_MasterConfigTypeDef sMasterConfig; TIM_OC_InitTypeDef sConfigOC; htim4.Instance = TIM4; htim4.Init.Prescaler = 0; htim4.Init.CounterMode = TIM_COUNTERMODE_UP; htim4.Init.Period = 0; htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; if (HAL_TIM_PWM_Init(&htim4) != HAL_OK) { RT_ASSERT(0); } sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK) { RT_ASSERT(0); } sConfigOC.OCMode = TIM_OCMODE_PWM1; sConfigOC.Pulse = 0; sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH; sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; #ifdef BSP_USING_PWM4_CH1 if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM4_CH1 */ #ifdef BSP_USING_PWM4_CH2 if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_2) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM4_CH2 */ #ifdef BSP_USING_PWM4_CH3 if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_3) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM4_CH3 */ #ifdef BSP_USING_PWM4_CH4 if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_4) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM4_CH4 */ HAL_TIM_MspPostInit(&htim4); } #endif /* BSP_USING_PWM4 */ #ifdef BSP_USING_PWM5 void MX_TIM5_Init(void) { TIM_MasterConfigTypeDef sMasterConfig; TIM_OC_InitTypeDef sConfigOC; htim5.Instance = TIM5; htim5.Init.Prescaler = 0; htim5.Init.CounterMode = TIM_COUNTERMODE_UP; htim5.Init.Period = 0; htim5.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; if (HAL_TIM_PWM_Init(&htim5) != HAL_OK) { RT_ASSERT(0); } sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; if (HAL_TIMEx_MasterConfigSynchronization(&htim5, &sMasterConfig) != HAL_OK) { RT_ASSERT(0); } sConfigOC.OCMode = TIM_OCMODE_PWM1; sConfigOC.Pulse = 0; sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH; sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; #ifdef BSP_USING_PWM5_CH1 if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM5_CH1 */ #ifdef BSP_USING_PWM5_CH2 if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_2) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM5_CH2 */ #ifdef BSP_USING_PWM5_CH3 if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_3) != HAL_OK) { RT_ASSERT(0); } #endif /* BSP_USING_PWM5_CH3 */ HAL_TIM_MspPostInit(&htim5); } #endif /* BSP_USING_PWM5 */ void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef *tim_pwmHandle) { if (tim_pwmHandle->Instance == TIM1) { __HAL_RCC_TIM1_CLK_ENABLE(); } else if (tim_pwmHandle->Instance == TIM2) { __HAL_RCC_TIM2_CLK_ENABLE(); } else if (tim_pwmHandle->Instance == TIM3) { __HAL_RCC_TIM3_CLK_ENABLE(); } else if (tim_pwmHandle->Instance == TIM4) { __HAL_RCC_TIM4_CLK_ENABLE(); } else if (tim_pwmHandle->Instance == TIM5) { __HAL_RCC_TIM5_CLK_ENABLE(); } } static void HAL_TIM_MspPostInit(TIM_HandleTypeDef *timHandle) { GPIO_InitTypeDef GPIO_InitStruct; if (timHandle->Instance == TIM1) { /**TIM1 GPIO Configuration PA8 ------> TIM1_CH1 PA9 ------> TIM1_CH2 PA10 ------> TIM1_CH3 PA11 ------> TIM1_CH4 */ #if defined(BSP_USING_PWM1_CH1) || defined(BSP_USING_PWM1_CH2) || defined(BSP_USING_PWM1_CH3) || defined(BSP_USING_PWM1_CH4) __HAL_RCC_GPIOA_CLK_ENABLE(); GPIO_InitStruct.Pin = 0x00; #ifdef BSP_USING_PWM1_CH1 GPIO_InitStruct.Pin |= GPIO_PIN_8; #endif #ifdef BSP_USING_PWM1_CH2 GPIO_InitStruct.Pin |= GPIO_PIN_9; #endif #ifdef BSP_USING_PWM1_CH3 GPIO_InitStruct.Pin |= GPIO_PIN_10; #endif #ifdef BSP_USING_PWM1_CH4 GPIO_InitStruct.Pin |= GPIO_PIN_11; #endif GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF1_TIM1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); #endif } else if (timHandle->Instance == TIM2) { /**TIM2 GPIO Configuration PA3 ------> TIM2_CH4 PA5 ------> TIM2_CH1 PB10 ------> TIM2_CH3 PB3 ------> TIM2_CH2 */ #if defined(BSP_USING_PWM2_CH1) || defined(BSP_USING_PWM2_CH4) __HAL_RCC_GPIOA_CLK_ENABLE(); GPIO_InitStruct.Pin = 0x00; #ifdef BSP_USING_PWM2_CH4 GPIO_InitStruct.Pin |= GPIO_PIN_3; #endif #ifdef BSP_USING_PWM2_CH1 GPIO_InitStruct.Pin |= GPIO_PIN_5; #endif GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF1_TIM2; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); #endif #if defined(BSP_USING_PWM2_CH2) || defined(BSP_USING_PWM2_CH3) __HAL_RCC_GPIOB_CLK_ENABLE(); GPIO_InitStruct.Pin = 0x00; #ifdef BSP_USING_PWM2_CH2 GPIO_InitStruct.Pin |= GPIO_PIN_3; #endif #ifdef BSP_USING_PWM2_CH3 GPIO_InitStruct.Pin |= GPIO_PIN_10; #endif GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF1_TIM2; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); #endif } else if (timHandle->Instance == TIM3) { /**TIM3 GPIO Configuration PA6 ------> TIM3_CH1 PA7 ------> TIM3_CH2 PB0 ------> TIM3_CH3 PB1 ------> TIM3_CH4 */ #if defined(BSP_USING_PWM3_CH1) || defined(BSP_USING_PWM3_CH2) __HAL_RCC_GPIOA_CLK_ENABLE(); GPIO_InitStruct.Pin = 0x00; #ifdef BSP_USING_PWM3_CH1 GPIO_InitStruct.Pin |= GPIO_PIN_6; #endif #ifdef BSP_USING_PWM3_CH2 GPIO_InitStruct.Pin |= GPIO_PIN_7; #endif GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF2_TIM3; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); GPIO_InitStruct.Pin = 0x00; #endif #if defined(BSP_USING_PWM3_CH3) || defined(BSP_USING_PWM3_CH4) __HAL_RCC_GPIOB_CLK_ENABLE(); GPIO_InitStruct.Pin = 0x00; #ifdef BSP_USING_PWM3_CH3 GPIO_InitStruct.Pin |= GPIO_PIN_0; #endif #ifdef BSP_USING_PWM3_CH4 GPIO_InitStruct.Pin |= GPIO_PIN_1; #endif GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF2_TIM3; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); #endif } else if (timHandle->Instance == TIM4) { /**TIM4 GPIO Configuration PB6 ------> TIM4_CH1 PB7 ------> TIM4_CH2 PB8 ------> TIM4_CH3 PB9 ------> TIM4_CH4 */ #if defined(BSP_USING_PWM4_CH1) || defined(BSP_USING_PWM4_CH2) || defined(BSP_USING_PWM4_CH3) || defined(BSP_USING_PWM4_CH4) __HAL_RCC_GPIOB_CLK_ENABLE(); GPIO_InitStruct.Pin = 0x00; #ifdef BSP_USING_PWM4_CH1 GPIO_InitStruct.Pin |= GPIO_PIN_6; #endif #ifdef BSP_USING_PWM4_CH2 GPIO_InitStruct.Pin |= GPIO_PIN_7; #endif #ifdef BSP_USING_PWM4_CH3 GPIO_InitStruct.Pin |= GPIO_PIN_8; #endif #ifdef BSP_USING_PWM4_CH4 GPIO_InitStruct.Pin |= GPIO_PIN_9; #endif GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF2_TIM4; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); #endif } else if (timHandle->Instance == TIM5) { /**TIM5 GPIO Configuration PA0-WKUP ------> TIM5_CH1 PA1 ------> TIM5_CH2 PA2 ------> TIM5_CH3 */ #if defined(BSP_USING_PWM5_CH1) || defined(BSP_USING_PWM5_CH2) || defined(BSP_USING_PWM5_CH3) __HAL_RCC_GPIOA_CLK_ENABLE(); GPIO_InitStruct.Pin = 0x00; #ifdef BSP_USING_PWM5_CH1 GPIO_InitStruct.Pin |= GPIO_PIN_0; #endif #ifdef BSP_USING_PWM5_CH2 GPIO_InitStruct.Pin |= GPIO_PIN_1; #endif #ifdef BSP_USING_PWM5_CH3 GPIO_InitStruct.Pin |= GPIO_PIN_2; #endif GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF2_TIM5; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); #endif } } void HAL_TIM_PWM_MspDeInit(TIM_HandleTypeDef *tim_pwmHandle) { if (tim_pwmHandle->Instance == TIM1) { __HAL_RCC_TIM1_CLK_DISABLE(); } else if (tim_pwmHandle->Instance == TIM2) { __HAL_RCC_TIM2_CLK_DISABLE(); } else if (tim_pwmHandle->Instance == TIM3) { __HAL_RCC_TIM3_CLK_DISABLE(); } else if (tim_pwmHandle->Instance == TIM4) { __HAL_RCC_TIM4_CLK_DISABLE(); } else if (tim_pwmHandle->Instance == TIM5) { __HAL_RCC_TIM5_CLK_DISABLE(); } } int drv_pwm_init(void) { #ifdef BSP_USING_PWM1 MX_TIM1_Init(); rt_device_pwm_register(rt_calloc(1, sizeof(struct rt_device_pwm)), "pwm1", &drv_ops, &htim1); #endif #ifdef BSP_USING_PWM2 MX_TIM2_Init(); rt_device_pwm_register(rt_calloc(1, sizeof(struct rt_device_pwm)), "pwm2", &drv_ops, &htim2); #endif #ifdef BSP_USING_PWM3 MX_TIM3_Init(); rt_device_pwm_register(rt_calloc(1, sizeof(struct rt_device_pwm)), "pwm3", &drv_ops, &htim3); #endif #ifdef BSP_USING_PWM4 MX_TIM4_Init(); rt_device_pwm_register(rt_calloc(1, sizeof(struct rt_device_pwm)), "pwm4", &drv_ops, &htim4); #endif #ifdef BSP_USING_PWM5 MX_TIM5_Init(); rt_device_pwm_register(rt_calloc(1, sizeof(struct rt_device_pwm)), "pwm5", &drv_ops, &htim5); #endif return 0; } INIT_DEVICE_EXPORT(drv_pwm_init);