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

Removed error on fat32 library, seems now to be able navigate among sectors in...

Removed error on fat32 library, seems now to be able navigate among sectors in both directions. Improved SDLCD drawing performances by almost 1000x.

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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;

      #ifndef CPUFREQ

        #define CPUFREQ (16*1000*1000)

      #endif

          currentCpuFreq = CPUFREQ;

          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);

          currentCpuFreq=getCpuFreq();

          configureSysTick();

          bsp_init();

          printf("SysTick Configured to reach 100us period\n\r");

          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)

          {

              delay_100us(10000);

              gpioset(LED2);

              delay_100us(10000);

              gpioclr(LED2);

          }

      }

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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;
				#ifndef CPUFREQ
				#define CPUFREQ (1610001000)
				#endif
				currentCpuFreq = CPUFREQ;
				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);
				currentCpuFreq=getCpuFreq();
				configureSysTick();
				bsp_init();
				printf("SysTick Configured to reach 100us period\n\r");
				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)
				{
				delay_100us(10000);
				gpioset(LED2);
				delay_100us(10000);
				gpioclr(LED2);
				}
				}