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Merge pull request #1845 from Guozhanxin/master

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update PWM driver | 完善pwm驱动
This commit is contained in:
Bernard Xiong 2018-09-28 22:52:01 +08:00 committed by GitHub
commit 3a6e67961b
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 235 additions and 98 deletions
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232
bsp/stm32f4xx-HAL/drivers/drv_pwm.c
View File

@ -26,20 +26,20 @@
#include <rtdevice.h>
#include <board.h>
#define MAX_PERIOD 65535
#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 =
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)
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)
if (!enable)
{
HAL_TIM_PWM_Stop(htim, channel);
}
@ -50,27 +50,27 @@ static rt_err_t drv_pwm_enable(TIM_HandleTypeDef * htim, struct rt_pwm_configura
return RT_EOK;
}
static rt_err_t drv_pwm_get(TIM_HandleTypeDef * htim, struct rt_pwm_configuration *configuration)
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)
if (htim->Instance == TIM1 && htim->Instance == TIM8)
{
tim_clock = SystemCoreClock;
}
else
{
tim_clock = SystemCoreClock/2;
tim_clock = SystemCoreClock / 2;
}
#else
tim_clock = SystemCoreClock;
#endif
if(__HAL_TIM_GET_CLOCKDIVISION(htim) == TIM_CLOCKDIVISION_DIV2)
if (__HAL_TIM_GET_CLOCKDIVISION(htim) == TIM_CLOCKDIVISION_DIV2)
{
tim_clock = tim_clock / 2;
}
else if(__HAL_TIM_GET_CLOCKDIVISION(htim) == TIM_CLOCKDIVISION_DIV4)
else if (__HAL_TIM_GET_CLOCKDIVISION(htim) == TIM_CLOCKDIVISION_DIV4)
{
tim_clock = tim_clock / 4;
}
@ -80,19 +80,19 @@ static rt_err_t drv_pwm_get(TIM_HandleTypeDef * htim, struct rt_pwm_configuratio
return RT_EOK;
}
static rt_err_t drv_pwm_set(TIM_HandleTypeDef * htim, struct rt_pwm_configuration *configuration)
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)
if (htim->Instance == TIM1 && htim->Instance == TIM8)
{
tim_clock = SystemCoreClock;
}
else
{
tim_clock = SystemCoreClock/2;
tim_clock = SystemCoreClock / 2;
}
#else
tim_clock = SystemCoreClock;
@ -102,30 +102,31 @@ static rt_err_t drv_pwm_set(TIM_HandleTypeDef * htim, struct rt_pwm_configuratio
psc = period / MAX_PERIOD + 1;
period = period / psc;
__HAL_TIM_SET_PRESCALER(htim, psc - 1);
if(period < MIN_PERIOD)
if (period < MIN_PERIOD)
{
period = MIN_PERIOD;
}
__HAL_TIM_SET_AUTORELOAD(htim, period - 1);
pulse = configuration->pulse * tim_clock / psc / 1000UL;
if(pulse < MIN_PULSE)
pulse = (unsigned long long)configuration->pulse * tim_clock / psc / 1000ULL;
if (pulse < MIN_PULSE)
{
pulse = MIN_PULSE;
}
else if(pulse > period)
else if (pulse > period)
{
pulse = period;
}
__HAL_TIM_SET_COMPARE(htim, channel, pulse - 1 );
__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)
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);
@ -140,22 +141,22 @@ static rt_err_t drv_pwm_control(struct rt_device_pwm *device, int cmd, void *arg
}
}
static void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle);
static void HAL_TIM_MspPostInit(TIM_HandleTypeDef *timHandle);
#ifdef BSP_USING_PWM1
TIM_HandleTypeDef htim1;
TIM_HandleTypeDef htim1;
#endif
#ifdef BSP_USING_PWM2
TIM_HandleTypeDef htim2;
TIM_HandleTypeDef htim2;
#endif
#ifdef BSP_USING_PWM3
TIM_HandleTypeDef htim3;
TIM_HandleTypeDef htim3;
#endif
#ifdef BSP_USING_PWM4
TIM_HandleTypeDef htim4;
TIM_HandleTypeDef htim4;
#endif
#ifdef BSP_USING_PWM5
TIM_HandleTypeDef htim5;
TIM_HandleTypeDef htim5;
#endif
#ifdef BSP_USING_PWM1
@ -465,179 +466,258 @@ void MX_TIM5_Init(void)
}
#endif /* BSP_USING_PWM5 */
void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef* tim_pwmHandle)
void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef *tim_pwmHandle)
{
if(tim_pwmHandle->Instance==TIM1)
if (tim_pwmHandle->Instance == TIM1)
{
__HAL_RCC_TIM1_CLK_ENABLE();
}
else if(tim_pwmHandle->Instance==TIM2)
else if (tim_pwmHandle->Instance == TIM2)
{
__HAL_RCC_TIM2_CLK_ENABLE();
}
else if(tim_pwmHandle->Instance==TIM3)
else if (tim_pwmHandle->Instance == TIM3)
{
__HAL_RCC_TIM3_CLK_ENABLE();
}
else if(tim_pwmHandle->Instance==TIM4)
else if (tim_pwmHandle->Instance == TIM4)
{
__HAL_RCC_TIM4_CLK_ENABLE();
}
else if(tim_pwmHandle->Instance==TIM5)
else if (tim_pwmHandle->Instance == TIM5)
{
__HAL_RCC_TIM5_CLK_ENABLE();
}
}
static void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
static void HAL_TIM_MspPostInit(TIM_HandleTypeDef *timHandle)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(timHandle->Instance==TIM1)
if (timHandle->Instance == TIM1)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
/**TIM1 GPIO Configuration
/**TIM1 GPIO Configuration
PA8 ------> TIM1_CH1
PA9 ------> TIM1_CH2
PA10 ------> TIM1_CH3
PA11 ------> TIM1_CH4
PA11 ------> TIM1_CH4
*/
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11;
#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)
else if (timHandle->Instance == TIM2)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/**TIM2 GPIO Configuration
/**TIM2 GPIO Configuration
PA3 ------> TIM2_CH4
PA5 ------> TIM2_CH1
PB10 ------> TIM2_CH3
PB3 ------> TIM2_CH2
PB3 ------> TIM2_CH2
*/
GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_5;
#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
GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_3;
#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)
else if (timHandle->Instance == TIM3)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/**TIM3 GPIO Configuration
/**TIM3 GPIO Configuration
PA6 ------> TIM3_CH1
PA7 ------> TIM3_CH2
PB0 ------> TIM3_CH3
PB1 ------> TIM3_CH4
PB1 ------> TIM3_CH4
*/
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
#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
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
#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)
else if (timHandle->Instance == TIM4)
{
__HAL_RCC_GPIOB_CLK_ENABLE();
/**TIM4 GPIO Configuration
/**TIM4 GPIO Configuration
PB6 ------> TIM4_CH1
PB7 ------> TIM4_CH2
PB8 ------> TIM4_CH3
PB9 ------> TIM4_CH4
PB9 ------> TIM4_CH4
*/
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
#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)
else if (timHandle->Instance == TIM5)
{
__HAL_RCC_GPIOA_CLK_ENABLE();
/**TIM5 GPIO Configuration
/**TIM5 GPIO Configuration
PA0-WKUP ------> TIM5_CH1
PA1 ------> TIM5_CH2
PA2 ------> TIM5_CH3
PA2 ------> TIM5_CH3
*/
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2;
#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)
void HAL_TIM_PWM_MspDeInit(TIM_HandleTypeDef *tim_pwmHandle)
{
if(tim_pwmHandle->Instance==TIM1)
if (tim_pwmHandle->Instance == TIM1)
{
__HAL_RCC_TIM1_CLK_DISABLE();
}
else if(tim_pwmHandle->Instance==TIM2)
else if (tim_pwmHandle->Instance == TIM2)
{
__HAL_RCC_TIM2_CLK_DISABLE();
}
else if(tim_pwmHandle->Instance==TIM3)
else if (tim_pwmHandle->Instance == TIM3)
{
__HAL_RCC_TIM3_CLK_DISABLE();
}
else if(tim_pwmHandle->Instance==TIM4)
else if (tim_pwmHandle->Instance == TIM4)
{
__HAL_RCC_TIM4_CLK_DISABLE();
}
else if(tim_pwmHandle->Instance==TIM5)
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);
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);
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);
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);
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);
rt_device_pwm_register(rt_calloc(1, sizeof(struct rt_device_pwm)), "pwm5", &drv_ops, &htim5);
#endif
return 0;
}

9
components/drivers/include/drivers/rt_drv_pwm.h
View File

@ -25,6 +25,9 @@
#ifndef __DRV_PWM_H_INCLUDE__
#define __DRV_PWM_H_INCLUDE__
#include <rtthread.h>
#include <rtdevice.h>
#define PWM_CMD_ENABLE (128 + 0)
#define PWM_CMD_DISABLE (128 + 1)
#define PWM_CMD_SET (128 + 2)
@ -49,6 +52,10 @@ struct rt_device_pwm
const struct rt_pwm_ops *ops;
};
extern rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name, const struct rt_pwm_ops *ops, const void *user_data);
rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name, const struct rt_pwm_ops *ops, const void *user_data);
rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel);
rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel);
rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t period, rt_uint32_t pulse);
#endif /* __DRV_PWM_H_INCLUDE__ */

92
components/drivers/misc/rt_drv_pwm.c
View File

@ -24,9 +24,7 @@
#include <string.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <drivers/rt_drv_pwm.h>
static rt_err_t _pwm_control(rt_device_t dev, int cmd, void *args)
{
@ -99,7 +97,6 @@ static rt_size_t _pwm_write(rt_device_t dev, rt_off_t pos, const void *buffer, r
{
return 0;
}
}
return size;
@ -128,10 +125,9 @@ rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name,
return result;
}
rt_err_t rt_pwm_enable(int channel)
rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel)
{
rt_err_t result = RT_EOK;
struct rt_device *device = rt_device_find("pwm");
struct rt_pwm_configuration configuration = {0};
if (!device)
@ -140,15 +136,30 @@ rt_err_t rt_pwm_enable(int channel)
}
configuration.channel = channel;
result = rt_device_control(device, PWM_CMD_ENABLE, &configuration);
result = rt_device_control(&device->parent, PWM_CMD_ENABLE, &configuration);
return result;
}
rt_err_t rt_pwm_set(int channel, rt_uint32_t period, rt_uint32_t pulse)
rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel)
{
rt_err_t result = RT_EOK;
struct rt_pwm_configuration configuration = {0};
if (!device)
{
return -RT_EIO;
}
configuration.channel = channel;
result = rt_device_control(&device->parent, PWM_CMD_DISABLE, &configuration);
return result;
}
rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t period, rt_uint32_t pulse)
{
rt_err_t result = RT_EOK;
struct rt_device *device = rt_device_find("pwm");
struct rt_pwm_configuration configuration = {0};
if (!device)
@ -159,12 +170,11 @@ rt_err_t rt_pwm_set(int channel, rt_uint32_t period, rt_uint32_t pulse)
configuration.channel = channel;
configuration.period = period;
configuration.pulse = pulse;
result = rt_device_control(device, PWM_CMD_SET, &configuration);
result = rt_device_control(&device->parent, PWM_CMD_SET, &configuration);
return result;
}
#ifdef RT_USING_FINSH
#include <finsh.h>
@ -175,33 +185,75 @@ FINSH_FUNCTION_EXPORT_ALIAS(rt_pwm_set, pwm_set, set pwm.);
static int pwm_enable(int argc, char **argv)
{
int result = 0;
struct rt_device_pwm *device = RT_NULL;
if (argc != 2)
if (argc != 3)
{
rt_kprintf("Usage: pwm_enable 1\n");
rt_kprintf("Usage: pwm_enable pwm1 1\n");
result = -RT_ERROR;
goto _exit;
}
result = rt_pwm_enable(atoi(argv[1]));
device = (struct rt_device_pwm *)rt_device_find(argv[1]);
if (!device)
{
result = -RT_EIO;
goto _exit;
}
result = rt_pwm_enable(device, atoi(argv[2]));
_exit:
return result;
}
MSH_CMD_EXPORT(pwm_enable, pwm_enable 1);
MSH_CMD_EXPORT(pwm_enable, pwm_enable pwm1 1);
static int pwm_set(int argc, char **argv)
static int pwm_disable(int argc, char **argv)
{
int result = 0;
struct rt_device_pwm *device = RT_NULL;
if (argc != 4)
if (argc != 3)
{
rt_kprintf("Usage: pwm_set 1 100 50\n");
rt_kprintf("Usage: pwm_enable pwm1 1\n");
result = -RT_ERROR;
goto _exit;
}
result = rt_pwm_set(atoi(argv[1]), atoi(argv[2]), atoi(argv[3]));
device = (struct rt_device_pwm *)rt_device_find(argv[1]);
if (!device)
{
result = -RT_EIO;
goto _exit;
}
result = rt_pwm_disable(device, atoi(argv[2]));
_exit:
return result;
}
MSH_CMD_EXPORT(pwm_disable, pwm_disable pwm1 1);
static int pwm_set(int argc, char **argv)
{
int result = 0;
struct rt_device_pwm *device = RT_NULL;
if (argc != 5)
{
rt_kprintf("Usage: pwm_set pwm1 1 100 50\n");
result = -RT_ERROR;
goto _exit;
}
device = (struct rt_device_pwm *)rt_device_find(argv[1]);
if (!device)
{
result = -RT_EIO;
goto _exit;
}
result = rt_pwm_set(device, atoi(argv[2]), atoi(argv[3]), atoi(argv[4]));
_exit:
return result;
@ -209,6 +261,4 @@ _exit:
MSH_CMD_EXPORT(pwm_set, pwm_set 1 100 50);
#endif /* FINSH_USING_MSH */
#endif /* RT_USING_FINSH */