started working on clock control, not working

numworks_port/src/Laplace/clock.c

@@ -0,0 +1,32 @@
+#include "clock.h"
+
+/* This should set the speed to 216MHz intead of just 48MHz */
+void init_clock(){
+    // ACR means flash Access control register
+    FLASH->ACR |=  (FLASH_ACR_LATENCY_7WS | // 7 wait states
+                  FLASH_ACR_PRFTEN |        // prefetch on
+                  FLASH_ACR_ARTEN);         // ART on
+
+    // enables HSE and wait for it to be ready
+    RCC->CR    |=  (RCC_CR_HSEON);
+    while (!(RCC->CR & RCC_CR_HSERDY)) {};
+
+    // clear the specified bit
+
+    // (8/4)*108 = 216MHz
+    /*
+    RCC->PLLCFGR  |=  (RCC_PLLCFGR_PLLSRC_HSE | // HSE: 8MHz
+                  RCC_PLLCFGR_PLLN_108 |        // *108
+                  RCC_PLLCFGR_PLLM_25);          // /4
+    */
+    RCC->PLLCFGR  =  0b00001000010000100110000000001000; // HSE: 8MHz*/
+
+    // enable the RCC clock and wait for it to be ready
+    RCC->CR    |=  (RCC_CR_PLLON);
+    while (!(RCC->CR & RCC_CR_PLLRDY)) {};
+
+    // set it as the system clock source
+    RCC->CFGR  &= ~(RCC_CFGR_SW);
+    RCC->CFGR  |=  (RCC_CFGR_SW_PLL);
+    while (!(RCC->CFGR & RCC_CFGR_SWS_PLL)) {};
+}

numworks_port/src/Laplace/clock.h

@@ -0,0 +1,25 @@
+/** @file clock.h
+ * 
+ * @brief Handle clock init and all
+ *
+ */ 
+
+#ifndef CLOCK_H
+#define CLOCK_H
+
+#include "stdint.h"
+#include "../device/stm32f730xx.h"
+
+#define PLL_N 384
+#define PLL_M 8
+#define PLL_P 2
+#define PLL_Q 8
+
+/*
+RCC->PLLCFGR  |=  0b00001000010000100110000000001000; // HSE: 8MHz*/
+    //0b0000/*<-null*/1000/*<-PLLQ*/0/*<-null*/1/*<-PLLPSRC(HSE)*/0000/*<-null*/10/*<-PLLP*/0/*<-null*/110000000/*<-PLLN*/001000/*<-PLLM*/
+
+
+void init_clock();
+
+#endif

numworks_port/src/Laplace/laplace.c

@@ -10,4 +10,5 @@ void laplace_init(){
     enable_gpio_x_rcc(GPIO_C); //column (in)
     enable_gpio_x_rcc(GPIO_A); //row (out)
     keyboard_init();
+    init_clock();
 }

numworks_port/src/Laplace/laplace.h

@@ -10,6 +10,7 @@
 #include "gpio_helper.h"
 #include "led.h"
 #include "keyboard.h"
+#include "clock.h"
 
 /* Initialize all needed peripherals, should be called early in your program */
 void laplace_init();

numworks_port/src/device/stm32f730xx.h

@@ -9403,6 +9403,7 @@ typedef struct
 #define RCC_PLLCFGR_PLLN_6                 (0x040UL << RCC_PLLCFGR_PLLN_Pos)    /*!< 0x00001000 */
 #define RCC_PLLCFGR_PLLN_7                 (0x080UL << RCC_PLLCFGR_PLLN_Pos)    /*!< 0x00002000 */
 #define RCC_PLLCFGR_PLLN_8                 (0x100UL << RCC_PLLCFGR_PLLN_Pos)    /*!< 0x00004000 */
+#define RCC_PLLCFGR_PLLN_384               (0x180UL << RCC_PLLCFGR_PLLN_Pos)    /*!< ? */
 #define RCC_PLLCFGR_PLLP_Pos               (16U)
 #define RCC_PLLCFGR_PLLP_Msk               (0x3UL << RCC_PLLCFGR_PLLP_Pos)      /*!< 0x00030000 */
 #define RCC_PLLCFGR_PLLP                   RCC_PLLCFGR_PLLP_Msk

numworks_port/src/main.c

@@ -4,7 +4,6 @@
 void main_entry(){
     // init all the peripherals
     laplace_init();
-    ms_wait(2000);
 
     // infinite loop
     while (1){
@@ -27,12 +26,17 @@ void main_entry(){
                 }
             }
         }*/
-
+    /*
         if(get_key('G', 3)){
             set_led_red(true);
         }else{
             set_led_red(false);
-        }
+        }*/
+
+        set_led_red(true);
+        ms_wait(5000);
+        set_led_red(false);
+        ms_wait(5000);
     }
     
 }