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

* [rt_drv_pwm]增加API：增加单独设置PWM频率和脉宽的函数

2 files changed, 38 insertions, 0 deletions

diff --git a/components/drivers/include/drivers/rt_drv_pwm.h b/components/drivers/include/drivers/rt_drv_pwm.h
index 2570887d71..597842be79 100644
--- a/components/drivers/include/drivers/rt_drv_pwm.h
+++ b/components/drivers/include/drivers/rt_drv_pwm.h
@@ -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__ */
diff --git a/components/drivers/misc/rt_drv_pwm.c b/components/drivers/misc/rt_drv_pwm.c
index 64eb613a84..53aaad8223 100644
--- a/components/drivers/misc/rt_drv_pwm.c
+++ b/components/drivers/misc/rt_drv_pwm.c
@@ -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;