Peter Drescher / ST_401_84MHZ

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Dependents:   Nucleo_spi_master_20MHz Nucleo_vs_Arduino_Speed_Test DMA_I2S_Test MPU9150AHRS ... more

Files at this revision

API Documentation at this revision

Revision 6:b9343c8b85ec, committed 2014-04-08

Comitter:
dreschpe
Date:
Tue Apr 08 20:00:49 2014 +0000
Parent:
5:f44655076466
Commit message:
DeInit PLL before setting new parameter

Changed in this revision

ST_F401_84MHZ.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/ST_F401_84MHZ.cpp	Sat Mar 08 15:03:38 2014 +0000
+++ b/ST_F401_84MHZ.cpp	Tue Apr 08 20:00:49 2014 +0000
@@ -2,9 +2,9 @@
 // www.st.com/stm32cube‎ 
 // 
 
-#include "stm32f4xx_hal.h" 
+#include "stm32f4xx_hal.h"
 #include "ST_F401_84MHZ.h"
-
+ 
 F401_init84::F401_init84(unsigned int external){
     if(external == 1){
         SystemClock_Config_84MHz_external();
@@ -16,6 +16,7 @@
 
 void F401_init84::SystemClock_Config_84MHz_internal(void)
 {
+  HAL_RCC_DeInit();  // we have to reset the clock settings !
   RCC_ClkInitTypeDef RCC_ClkInitStruct;
   RCC_OscInitTypeDef RCC_OscInitStruct;
 
@@ -46,6 +47,7 @@
 
 void F401_init84::SystemClock_Config_84MHz_external(void)
 {
+  HAL_RCC_DeInit();  // we have to reset the clock settings !
   RCC_ClkInitTypeDef RCC_ClkInitStruct;
   RCC_OscInitTypeDef RCC_OscInitStruct;