RT-Thread/rt-thread
1
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2025-10-22 17:08:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

[rt_drv_pwm]增加API：增加单独设置PWM频率和脉宽的函数 (#6130)

Browse Source 
* [rt_drv_pwm]增加API：增加单独设置PWM频率和脉宽的函数
This commit is contained in:
BreederBai
2022-07-04 10:40:42 +08:00
committed by GitHub
parent 78faea4b8d
commit b2bc0dcd16
3 changed files with 133 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
components/drivers/include/drivers/rt_drv_pwm.h
View File

@@ -19,6 +19,8 @@
#define PWM_CMD_GET (RT_DEVICE_CTRL_BASE(PWM) + 3)
#define PWMN_CMD_ENABLE (RT_DEVICE_CTRL_BASE(PWM) + 4)
#define PWMN_CMD_DISABLE (RT_DEVICE_CTRL_BASE(PWM) + 5)
#define PWM_CMD_SET_PERIOD (RT_DEVICE_CTRL_BASE(PWM) + 6)
#define PWM_CMD_SET_PULSE (RT_DEVICE_CTRL_BASE(PWM) + 7)
struct rt_pwm_configuration
{
@@ -50,5 +52,7 @@ rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name,
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);
rt_err_t rt_pwm_set_period(struct rt_device_pwm *device, int channel, rt_uint32_t period);
rt_err_t rt_pwm_set_pulse(struct rt_device_pwm *device, int channel, rt_uint32_t pulse);
#endif /* __DRV_PWM_H_INCLUDE__ */

34
components/drivers/misc/rt_drv_pwm.c
View File

@@ -177,6 +177,40 @@ rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t perio
return result;
}
rt_err_t rt_pwm_set_period(struct rt_device_pwm *device, int channel, rt_uint32_t period)
{
rt_err_t result = RT_EOK;
struct rt_pwm_configuration configuration = {0};
if (!device)
{
return -RT_EIO;
}
configuration.channel = channel;
configuration.period = period;
result = rt_device_control(&device->parent, PWM_CMD_SET_PERIOD, &configuration);
return result;
}
rt_err_t rt_pwm_set_pulse(struct rt_device_pwm *device, int channel, rt_uint32_t pulse)
{
rt_err_t result = RT_EOK;
struct rt_pwm_configuration configuration = {0};
if (!device)
{
return -RT_EIO;
}
configuration.channel = channel;
configuration.pulse = pulse;
result = rt_device_control(&device->parent, PWM_CMD_SET_PULSE, &configuration);
return result;
}
rt_err_t rt_pwm_get(struct rt_device_pwm *device, struct rt_pwm_configuration *cfg)
{
rt_err_t result = RT_EOK;