diff --git a/3rd/pwm.c b/3rd/pwm.c
index c1d5998..fbca003 100644
--- a/3rd/pwm.c
+++ b/3rd/pwm.c
@@ -8,12 +8,12 @@ void PWM_Channel1(uint16_t Compare)
 
 void PWM_Channel2(uint16_t Compare)
 {
-	        //DL_TimerA_setCaptureCompareValue(PWM_0_INST,Compare,GPIO_PWM_0_C1_IDX);
+	        DL_TimerA_setCaptureCompareValue(PWM_0_INST,Compare,GPIO_PWM_0_C1_IDX);
 }
 
 void PWM_Channel3(uint16_t Compare)
 {
-	        //DL_TimerA_setCaptureCompareValue(PWM_0_INST,Compare,GPIO_PWM_0_C2_IDX);
+	        DL_TimerA_setCaptureCompareValue(PWM_0_INST,Compare,GPIO_PWM_0_C2_IDX);
 }
 
 
diff --git a/empty.c b/empty.c
index 5cecd43..d17ce26 100644
--- a/empty.c
+++ b/empty.c
@@ -36,12 +36,14 @@
 
 #include <stdio.h>
 #include <string.h>
-
+#include <pwm.h>
 
 extern float angle_f;
 
 const float num_f = 0.123456f;
 
+volatile uint16_t count = 0  ;
+
 
 int main(void)
 {
@@ -55,6 +57,11 @@ int main(void)
 			volatile float angle_rad = GetAngle();
 			//printf("test \n");
 			printf("angle %.5f \n" , angle_rad);
+			
+			PWM_Channel1(count ++);
+			if(count == 750)
+				count = 0;
+			
     }
 }
 
diff --git a/keil/empty_LP_MSPM0G3507_nortos_keil.uvprojx b/keil/empty_LP_MSPM0G3507_nortos_keil.uvprojx
index cba4b4a..21f06a2 100644
--- a/keil/empty_LP_MSPM0G3507_nortos_keil.uvprojx
+++ b/keil/empty_LP_MSPM0G3507_nortos_keil.uvprojx
@@ -439,6 +439,16 @@
               <FileType>5</FileType>
               <FilePath>..\3rd\uart_redircet.h</FilePath>
             </File>
+            <File>
+              <FileName>pwm.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\3rd\pwm.c</FilePath>
+            </File>
+            <File>
+              <FileName>pwm.h</FileName>
+              <FileType>5</FileType>
+              <FilePath>..\3rd\pwm.h</FilePath>
+            </File>
           </Files>
         </Group>
       </Groups>