Define the SystemClock_Config as a weak function.

This allow end user to redefine the clock configuration.

Signed-off-by: Frederic.Pillon <[email protected]>

Author: fpistm

cores/arduino/stm32/stm32_def.h

@@ -70,5 +70,7 @@
 #elif defined(STM32L4xx)
 #endif
 
+// weaked functions declaration
+void SystemClock_Config(void);
 
 #endif //_STM32_DEF_

variants/DISCO_F407VG/variant.cpp

@@ -178,7 +178,7 @@ void init( void )
   * @param  None
   * @retval None
   */
-void SystemClock_Config(void)
+WEAK void SystemClock_Config(void)
 {
   RCC_ClkInitTypeDef RCC_ClkInitStruct;
   RCC_OscInitTypeDef RCC_OscInitStruct;

variants/DISCO_F746NG/variant.cpp

@@ -121,7 +121,7 @@ void init( void )
   * @param  None
   * @retval None
   */
-void SystemClock_Config(void)
+WEAK void SystemClock_Config(void)
 {
   RCC_OscInitTypeDef RCC_OscInitStruct;
   RCC_ClkInitTypeDef RCC_ClkInitStruct;

variants/NUCLEO_F091RC/variant.cpp

@@ -138,7 +138,7 @@ void init( void )
   * @param  None
   * @retval None
   */
-void SystemClock_Config(void)
+WEAK void SystemClock_Config(void)
 {
   RCC_OscInitTypeDef RCC_OscInitStruct;
   RCC_ClkInitTypeDef RCC_ClkInitStruct;

variants/NUCLEO_F303RE/variant.cpp

@@ -138,7 +138,7 @@ void init( void )
   * @param  None
   * @retval None
   */
-void SystemClock_Config(void)
+WEAK void SystemClock_Config(void)
 {
   RCC_OscInitTypeDef RCC_OscInitStruct;
   RCC_ClkInitTypeDef RCC_ClkInitStruct;

variants/NUCLEO_F429ZI/variant.cpp

@@ -180,7 +180,7 @@ void init( void )
   * @param  None
   * @retval None
   */
-void SystemClock_Config(void)
+WEAK void SystemClock_Config(void)
 {
   RCC_ClkInitTypeDef RCC_ClkInitStruct;
   RCC_OscInitTypeDef RCC_OscInitStruct;

variants/NUCLEO_L053R8/variant.cpp

@@ -135,7 +135,7 @@ void init( void )
   * @param  None
   * @retval None
   */
-void SystemClock_Config(void)
+WEAK void SystemClock_Config(void)
 {
   RCC_OscInitTypeDef RCC_OscInitStruct;
   RCC_ClkInitTypeDef RCC_ClkInitStruct;

variants/NUCLEO_L476RG/variant.cpp

@@ -146,7 +146,7 @@ void init( void )
   * @param  None
   * @retval None
   */
-void SystemClock_Config(void)
+WEAK void SystemClock_Config(void)
 {
   RCC_OscInitTypeDef RCC_OscInitStruct = {};
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {};