HG_REPOSITORIES/LPP/INSTRUMENTATION/libuc2 Files · lib/src/stm32f4/CPU/stm32f4xxxG/cpuinit.c

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             cpuinit.c
        
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      #include "stm32f4xx.h"

      #include <stdint.h>

      #include <stdlib.h>

      #include <stdio.h>

      #include <bsp.h>

      #include <stm32f4xx_rcc.h>

      #include <core.h>

      extern int main();

      void cpu_init()

      {

          extern uint32_t currentCpuFreq;

          currentCpuFreq = 140000000;

          enable_FPU();

          RCC->CR |= (uint32_t)0x00000001;

          FLASH->ACR = FLASH_ACR_ICEN |FLASH_ACR_DCEN |FLASH_ACR_LATENCY_5WS;

          reset_AHB1();

          reset_AHB2();

          reset_APB1();

          reset_APB2();

          RCC->CR |= (uint32_t)0x00000001;

          FLASH->ACR = FLASH_ACR_ICEN |FLASH_ACR_DCEN |FLASH_ACR_LATENCY_5WS;

          RCC->CFGR = 0x00000000;

          RCC->CIR = 0x00000000;

          SCB->VTOR = FLASH_BASE;

          RCC->APB1ENR |= RCC_APB1ENR_PWREN;

          PWR->CR |= PWR_CR_PMODE;

          currentCpuFreq=setCpuFreq(currentCpuFreq);

          bsp_init();

          RCC_ClocksTypeDef RCC_ClocksStatus;

          RCC_GetClocksFreq(&RCC_ClocksStatus);

          printf("PLL Configured got:\n\r SYS=%uHz\n\r CPU=%uHz\n\r APB1=%uHz\n\r APB2=%uHz\n\r",(unsigned int)RCC_ClocksStatus.SYSCLK_Frequency,(unsigned int)RCC_ClocksStatus.HCLK_Frequency,(unsigned int)RCC_ClocksStatus.PCLK1_Frequency,(unsigned int)RCC_ClocksStatus.PCLK2_Frequency);

          printf("Enter Main\n\r");

          int res=main();

          printf("\n\rprogram exited with code ");

          printf("%u",res);

          printf("\n\r");

          while(1)

          {

              for(volatile int i=0;i<1024*64;i++);

              gpioset(PD14);

              for(volatile int i=0;i<1024*64;i++);

              gpioclr(PD14);

          }

      }

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				#include "stm32f4xx.h"
				#include <stdint.h>
				#include <stdlib.h>
				#include <stdio.h>
				#include <bsp.h>
				#include <stm32f4xx_rcc.h>
				#include <core.h>
				extern int main();



				void cpu_init()
				{
				extern uint32_t currentCpuFreq;
				currentCpuFreq = 140000000;
				enable_FPU();
				RCC->CR \|= (uint32_t)0x00000001;
				FLASH->ACR = FLASH_ACR_ICEN \|FLASH_ACR_DCEN \|FLASH_ACR_LATENCY_5WS;
				reset_AHB1();
				reset_AHB2();
				reset_APB1();
				reset_APB2();
				RCC->CR \|= (uint32_t)0x00000001;
				FLASH->ACR = FLASH_ACR_ICEN \|FLASH_ACR_DCEN \|FLASH_ACR_LATENCY_5WS;
				RCC->CFGR = 0x00000000;
				RCC->CIR = 0x00000000;
				SCB->VTOR = FLASH_BASE;
				RCC->APB1ENR \|= RCC_APB1ENR_PWREN;
				PWR->CR \|= PWR_CR_PMODE;
				currentCpuFreq=setCpuFreq(currentCpuFreq);
				bsp_init();
				RCC_ClocksTypeDef RCC_ClocksStatus;
				RCC_GetClocksFreq(&RCC_ClocksStatus);
				printf("PLL Configured got:\n\r SYS=%uHz\n\r CPU=%uHz\n\r APB1=%uHz\n\r APB2=%uHz\n\r",(unsigned int)RCC_ClocksStatus.SYSCLK_Frequency,(unsigned int)RCC_ClocksStatus.HCLK_Frequency,(unsigned int)RCC_ClocksStatus.PCLK1_Frequency,(unsigned int)RCC_ClocksStatus.PCLK2_Frequency);
				printf("Enter Main\n\r");
				int res=main();
				printf("\n\rprogram exited with code ");
				printf("%u",res);
				printf("\n\r");
				while(1)
				{
				for(volatile int i=0;i<1024*64;i++);
				gpioset(PD14);
				for(volatile int i=0;i<1024*64;i++);
				gpioclr(PD14);
				}
				}