256 lines
6.5 KiB
C
256 lines
6.5 KiB
C
/**
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******************************************************************
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* @file main.c
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* @author fire
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* @version V1.0
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* @date 2018-xx-xx
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* @brief FMC-NAND
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******************************************************************
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* @attention
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*
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* 实验平台:野火 STM32 H750 开发板
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* 论坛 :http://www.firebbs.cn
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* 淘宝 :http://firestm32.taobao.com
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*
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******************************************************************
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*/
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#include "stm32h7xx.h"
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#include "main.h"
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#include "./led/bsp_led.h"
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#include "./usart/bsp_usart.h"
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#include "./sdram/bsp_sdram.h"
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#include "./delay/core_delay.h"
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#include "./malloc/malloc.h"
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#include "./nand/ftl.h"
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#include "./nand/bsp_nand.h"
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void SDRAM_Check(void);
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uint32_t RadomBuffer[10000];
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uint32_t ReadBuffer[10000];
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uint32_t *pSDRAM;
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long long count=0,sdram_count=0;
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RNG_HandleTypeDef hrng;
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/**
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* @brief 延迟一段时间
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* @param 延迟的时间长度
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* @retval None
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*/
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static void Delay(__IO uint32_t nCount)
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{
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__IO uint32_t index = 0;
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for(index = (100000 * nCount); index != 0; index--)
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{
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}
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}
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/**
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* @brief 主函数
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* @param 无
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* @retval 无
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*/
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int main(void)
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{
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uint8_t *buf;
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uint8_t *backbuf;
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/* 系统时钟初始化成400MHz */
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SystemClock_Config();
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LED_GPIO_Config();
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/* 配置串口1为：115200 8-N-1 */
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UARTx_Config();
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printf("\r\n 欢迎使用野火 STM32 H750 开发板。\r\n");
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printf("\r\n野火STM32H750 双SDRAM 64MB 32bit读写测试例程\r\n");
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/*初始化SDRAM模块*/
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SDRAM_Init();
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/*初始化外部内存池*/
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my_mem_init(SRAMEX);
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/*蓝灯亮，表示正在读写SDRAM测试*/
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LED_BLUE;
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while(FTL_Init()) //检测NAND FLASH,并初始化FTL
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{
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printf("NAND Error!");
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Delay(500);
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printf("Please Check");
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Delay(500);
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LED1_TOGGLE;//红灯闪烁
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}
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backbuf=mymalloc(SRAMEX,NAND_ECC_SECTOR_SIZE); //申请一个扇区的缓存
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buf=mymalloc(SRAMIN,NAND_ECC_SECTOR_SIZE); //申请一个扇区的缓存
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sprintf((char*)buf,"NAND Size:%dMB\n",(nand_dev.block_totalnum/1024)*(nand_dev.page_mainsize/1024)*nand_dev.block_pagenum);
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printf((char*)buf); //显示NAND容量
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FTL_WriteSectors(backbuf,2,NAND_ECC_SECTOR_SIZE,1);
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FTL_ReadSectors(backbuf,2,NAND_ECC_SECTOR_SIZE,1);
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test_writepage(9,0,256);
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//NAND_EraseBlock(0);
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test_readpage(9,0,256);
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// /*选择PLL输出作为RNG时钟源 */
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// PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RNG;
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// PeriphClkInitStruct.RngClockSelection = RCC_RNGCLKSOURCE_PLL;
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// HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
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// /*使能RNG时钟*/
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// __HAL_RCC_RNG_CLK_ENABLE();
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// /*初始化RNG模块产生随机数*/
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// hrng.Instance = RNG;
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// HAL_RNG_Init(&hrng);
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// printf("开始生成10000个SDRAM测试随机数\r\n");
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// for(count=0;count<10000;count++)
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// {
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// HAL_RNG_GenerateRandomNumber(&hrng,&RadomBuffer[count]);
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// }
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// printf("10000个SDRAM测试随机数生成完毕\r\n");
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// SDRAM_Check();
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// SDRAM_Test();
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while(1)
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{
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}
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}
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void SDRAM_Check(void)
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{
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pSDRAM=(uint32_t*)SDRAM_BANK_ADDR;
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count=0;
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printf("开始写入SDRAM\r\n");
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for(sdram_count=0;sdram_count<SDRAM_SIZE/4;sdram_count++)
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{
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*pSDRAM=RadomBuffer[count];
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count++;
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pSDRAM++;
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if(count>=10000)
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{
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count=0;
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}
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}
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printf("写入总字节数:%d\r\n",(uint32_t)pSDRAM-SDRAM_BANK_ADDR);
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count=0;
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pSDRAM=(uint32_t*)SDRAM_BANK_ADDR;
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printf("开始读取SDRAM并与原随机数比较\r\n");
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sdram_count=0;
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for(;sdram_count<SDRAM_SIZE/4;sdram_count++)
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{
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if(*pSDRAM != RadomBuffer[count])
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{
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printf("数据比较错误——退出~\r\n");
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break;
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}
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count++;
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pSDRAM++;
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if(count>=10000)
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{
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count=0;
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}
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}
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printf("比较通过总字节数:%d\r\n",(uint32_t)pSDRAM-SDRAM_BANK_ADDR);
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if(sdram_count == SDRAM_SIZE/4)
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{
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LED_GREEN;
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printf("SDRAM测试成功\r\n");
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}
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else
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{
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LED_RED;
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printf("SDRAM测试失败\r\n");
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}
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}
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/**
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* @brief System Clock 配置
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* system Clock 配置如下:
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 400000000 (CPU Clock)
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* HCLK(Hz) = 200000000 (AXI and AHBs Clock)
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* AHB Prescaler = 2
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* D1 APB3 Prescaler = 2 (APB3 Clock 100MHz)
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* D2 APB1 Prescaler = 2 (APB1 Clock 100MHz)
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* D2 APB2 Prescaler = 2 (APB2 Clock 100MHz)
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* D3 APB4 Prescaler = 2 (APB4 Clock 100MHz)
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 5
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* PLL_N = 160
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* PLL_P = 2
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* PLL_Q = 4
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* PLL_R = 2
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* VDD(V) = 3.3
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* Flash Latency(WS) = 4
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* @param None
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* @retval None
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*/
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static void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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HAL_StatusTypeDef ret = HAL_OK;
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/*使能供电配置更新 */
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MODIFY_REG(PWR->CR3, PWR_CR3_SCUEN, 0);
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/* 当器件的时钟频率低于最大系统频率时，电压调节可以优化功耗，
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关于系统频率的电压调节值的更新可以参考产品数据手册。 */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
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/* 启用HSE振荡器并使用HSE作为源激活PLL */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
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RCC_OscInitStruct.CSIState = RCC_CSI_OFF;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 5;
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RCC_OscInitStruct.PLL.PLLN = 160;
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RCC_OscInitStruct.PLL.PLLP = 2;
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RCC_OscInitStruct.PLL.PLLR = 2;
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RCC_OscInitStruct.PLL.PLLQ = 2;
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RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
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RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
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ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
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if(ret != HAL_OK)
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{
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while(1) { ; }
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}
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/* 选择PLL作为系统时钟源并配置总线时钟分频器 */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | \
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RCC_CLOCKTYPE_HCLK | \
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RCC_CLOCKTYPE_D1PCLK1 | \
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RCC_CLOCKTYPE_PCLK1 | \
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RCC_CLOCKTYPE_PCLK2 | \
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RCC_CLOCKTYPE_D3PCLK1);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
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RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
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ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
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if(ret != HAL_OK)
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{
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while(1) { ; }
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}
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}
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/****************************END OF FILE***************************/
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