Diff: pwm.h

Revision:

4:b01a3ce6ef01

Parent:

2:ab0ccf9bb38c

--- a/pwm.h	Sun Jan 14 15:56:09 2018 +0000
+++ b/pwm.h	Sun Jan 14 17:39:09 2018 +0000
@@ -6,12 +6,45 @@
 
 DigitalOut myled(LED1);
 
-int main() {
+
+void InitializeTimer(int period = 500)
+{
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
+ 
+    TIM_TimeBaseInitTypeDef timerInitStructure;
+    timerInitStructure.TIM_Prescaler = 40000;
+    timerInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
+    timerInitStructure.TIM_Period = period;
+    timerInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
+    timerInitStructure.TIM_RepetitionCounter = 0;
+    TIM_TimeBaseInit(TIM4, &timerInitStructure);
+    TIM_Cmd(TIM4, ENABLE);
+}
+
+
+void SendPWM_Carre(int temps, PinName pin) {
     
-    mypwm.period_ms(10);
-    mypwm.pulsewidth_ms(1);
+    int middle-temps = roundUp_uint32(temps);
+    PwmOut pwm(pin);
+    pwm.period_ms(temps);
+    pwm.pulsewidth_ms(middle-temps);
   
-    printf("pwm set to %.2f %%\n", mypwm.read() * 100);
+    printf("pwm set to %.2f %%\n", pwm.read() * 100);
+    
+    while(1) {
+        myled = !myled;
+        wait(1);
+    }
+    
+void SendPWM_Nul(PinName pin) {
+    
+    
+    PwmOut pwm(pin);
+    
+    pwm.period_ms(0);
+    pwm.pulsewidth_ms(0);
+  
+    printf("pwm set to 0 \n");
     
     while(1) {
         myled = !myled;