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rt-thread/bsp/stm32f4xx-HAL/drivers/drv_pwm.c

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/*
* File : drv_pwm.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2018-07-15 ZYH first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <board.h>
#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);
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