fix for: PWM on STM32F4 doesn't work right away

ddrown · ddrown · commit b952395216f9 · 2016-06-07T20:36:17.000-05:00
Credit to hathach for finding and fixing this: #178 Fixes #178
diff --git a/STM32F4/cores/maple/boards.cpp b/STM32F4/cores/maple/boards.cpp
@@ -158,7 +158,6 @@ static void timerDefaultConfig(timer_dev *dev) {
     regs->PSC = 1;
     regs->SR = 0;
     regs->DIER = 0;
-    regs->EGR = TIMER_EGR_UG;
 
     switch (dev->type) {
     case TIMER_ADVANCED:
@@ -176,5 +175,6 @@ static void timerDefaultConfig(timer_dev *dev) {
         break;
     }
 
+    regs->EGR = TIMER_EGR_UG;
     timer_resume(dev);
 }

Original file line number	Diff line number	Diff line change
`@@ -158,7 +158,6 @@ static void timerDefaultConfig(timer_dev *dev) {`
`158`	`158`	`regs->PSC = 1;`
`159`	`159`	`regs->SR = 0;`
`160`	`160`	`regs->DIER = 0;`
`161`		`- regs->EGR = TIMER_EGR_UG;`
`162`	`161`
`163`	`162`	`switch (dev->type) {`
`164`	`163`	`case TIMER_ADVANCED:`
`@@ -176,5 +175,6 @@ static void timerDefaultConfig(timer_dev *dev) {`
`176`	`175`	`break;`
`177`	`176`	`}`
`178`	`177`
	`178`	`+ regs->EGR = TIMER_EGR_UG;`
`179`	`179`	`timer_resume(dev);`
`180`	`180`	`}`