[WB] Move HSE Capacitor Tuning api to clock api file

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

Diff for: cores/arduino/stm32/clock.h

@@ -62,6 +62,8 @@ uint32_t getCurrentMillis(void);
 uint32_t getCurrentMicros(void);
 
 void enableClock(sourceClock_t source);
+void configHSECapacitorTuning(void);
+
 #ifdef __cplusplus
 }
 #endif

Diff for: libraries/SrcWrapper/src/stm32/clock.c

@@ -37,7 +37,9 @@
   */
 #include "backup.h"
 #include "clock.h"
+#include "otp.h"
 #include "stm32yyxx_ll_cortex.h"
+#include "stm32yyxx_ll_rcc.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -160,6 +162,18 @@ void enableClock(sourceClock_t source)
   }
 }
 
+void configHSECapacitorTuning(void)
+{
+#if defined(OTP_AREA_BASE) && defined(STM32WBxx)
+  OTP_BT_t *p_otp;
+  /* Read HSE_Tuning from OTP with index 0 */
+  p_otp = (OTP_BT_t *) OTP_Read(0);
+  if (p_otp) {
+    LL_RCC_HSE_SetCapacitorTuning(p_otp->hse_tuning);
+  }
+#endif
+}
+
 #ifdef __cplusplus
 }
 #endif

Diff for: variants/PNUCLEO_WB55RG/variant.cpp

@@ -17,7 +17,7 @@
 */
 
 #include "pins_arduino.h"
-#include "otp.h"
+#include "clock.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -89,19 +89,6 @@ const PinName digitalPin[] = {
 extern "C" {
 #endif
 
-static void Config_HSE(void)
-{
-  OTP_BT_t *p_otp;
-
-  /**
-   * Read HSE_Tuning from OTP
-   */
-  p_otp = (OTP_BT_t *) OTP_Read(0);
-  if (p_otp) {
-    LL_RCC_HSE_SetCapacitorTuning(p_otp->hse_tuning);
-  }
-}
-
 /**
   * @brief  System Clock Configuration
   * @param  None
@@ -113,7 +100,7 @@ WEAK void SystemClock_Config(void)
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
   RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {};
 
-  Config_HSE();
+  configHSECapacitorTuning();
 
   __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);