Diff: main.cpp

Revision:

0:190f0f0f96b5

Child:

1:c297d1519b5c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Aug 18 06:42:15 2015 +0000
@@ -0,0 +1,37 @@
+#include "mbed.h"
+
+DigitalOut myled(PB_12);
+
+void SystemClock_Config(void)
+{
+  RCC_OscInitTypeDef RCC_OscInitStruct;
+  RCC_ClkInitTypeDef RCC_ClkInitStruct;
+
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
+  RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
+  HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
+  
+  SystemCoreClockUpdate();
+}
+
+int main() {
+    
+    SystemClock_Config();    
+    
+    printf("SystemCoreClock = %d Hz\n\r", SystemCoreClock);
+    
+    while(1) {
+        myled = !myled;
+        wait(0.1);
+    }
+}