From d5c82859448009355986ddb01559dfaec25fb2a5 Mon Sep 17 00:00:00 2001
From: EyeXion <52245783+EyeXion@users.noreply.github.com>
Date: Mon, 19 Oct 2020 11:43:02 +0200
Subject: [PATCH] Added clockConfig

---
 Src/Voile.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/Src/Voile.c b/Src/Voile.c
index 9d5de00..75a6186 100644
--- a/Src/Voile.c
+++ b/Src/Voile.c
@@ -1,6 +1,9 @@
 
 #include "Voile.h"
 #include "stm32f1xx_ll_gpio.h"
+#include "stm32f1xx_ll_rcc.h" // utile dans la fonction SystemClock_Config
+#include "stm32f1xx_ll_utils.h"   // utile dans la fonction SystemClock_Config
+#include "stm32f1xx_ll_system.h" // utile dans la fonction SystemClock_Config
 #include "stm32f1xx_ll_tim.h" 
 #include "stdlib.h"  //Remplacer par maths.h quand on va tout faire marcher.
  
@@ -48,6 +51,62 @@ void TendreVoile(int theta)
 }
 
 
+
+/**
+  * @brief  System Clock Configuration
+  *         The system Clock is configured as follow :
+  *            System Clock source            = PLL (HSE)
+  *            SYSCLK(Hz)                     = 72000000
+  *            HCLK(Hz)                       = 72000000
+  *            AHB Prescaler                  = 1
+  *            APB1 Prescaler                 = 2
+  *            APB2 Prescaler                 = 1
+  *            HSE Frequency(Hz)              = 8000000
+  *            PLLMUL                         = 9
+  *            Flash Latency(WS)              = 2
+  * @param  None
+  * @retval None
+  */
+void SystemClock_Config(void)
+{
+  /* Set FLASH latency */
+  LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
+
+  /* Enable HSE oscillator */
+	// ********* Commenter la ligne ci-dessous pour MCBSTM32 *****************
+	// ********* Conserver la ligne si Nucléo*********************************
+  LL_RCC_HSE_EnableBypass();
+  LL_RCC_HSE_Enable();
+  while(LL_RCC_HSE_IsReady() != 1)
+  {
+  };
+
+  /* Main PLL configuration and activation */
+  LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE_DIV_1, LL_RCC_PLL_MUL_9);
+
+  LL_RCC_PLL_Enable();
+  while(LL_RCC_PLL_IsReady() != 1)
+  {
+  };
+
+  /* Sysclk activation on the main PLL */
+  LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
+  LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
+  while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
+  {
+  };
+
+  /* Set APB1 & APB2 prescaler*/
+  LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_2);
+  LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
+
+  /* Set systick to 1ms in using frequency set to 72MHz */
+  LL_Init1msTick(72000000); // utile lorsqu'on utilise la fonction LL_mDelay
+
+  /* Update CMSIS variable (which can be updated also through SystemCoreClockUpdate function) */
+  LL_SetSystemCoreClock(72000000);
+}
+
 int main(){