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

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* [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
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34
components/drivers/misc/rt_drv_pwm.c
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@@ -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;