[DeviceDrivers] rename _pwm.c to rt_drv_pwm.c

components/drivers/misc/SConscript

@@ -9,7 +9,7 @@ if GetDepend(['RT_USING_PIN']):
     src = src + ['pin.c']
 
 if GetDepend(['RT_USING_PWM']):
-    src = src + ['_pwm.c']
+    src = src + ['rt_drv_pwm.c']
 
 if len(src):
     group = DefineGroup('DeviceDrivers', src, depend = [''], CPPPATH = CPPPATH)

components/drivers/misc/_pwm.c → components/drivers/misc/rt_drv_pwm.c

 /*
- * File      : _pwm.c
+ * File      : rt_drv_pwm.c
  * This file is part of RT-Thread RTOS
  * COPYRIGHT (C) 2018, RT-Thread Development Team
  *