147 lines
4.3 KiB
C
147 lines
4.3 KiB
C
#include "sys.h"
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#include "delay.h"
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#include "usart.h"
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#include "led.h"
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#include "key.h"
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#include "ltdc.h"
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#include "lcd.h"
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#include "sdram.h"
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#include "usmart.h"
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#include "pcf8574.h"
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#include "mpu.h"
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#include "malloc.h"
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#include "w25qxx.h"
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#include "sdmmc_sdcard.h"
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//ALIENTEK 北极星STM32H750/F750开发板 实验41
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//SD卡 实验
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//技术支持：www.openedv.com
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//广州市星翼电子科技有限公司
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//通过串口打印SD卡相关信息
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void show_sdcard_info(void)
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{
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switch(SDCardInfo.CardType)
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{
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case STD_CAPACITY_SD_CARD_V1_1:printf("Card Type:SDSC V1.1\r\n");break;
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case STD_CAPACITY_SD_CARD_V2_0:printf("Card Type:SDSC V2.0\r\n");break;
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case HIGH_CAPACITY_SD_CARD:printf("Card Type:SDHC V2.0\r\n");break;
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case MULTIMEDIA_CARD:printf("Card Type:MMC Card\r\n");break;
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}
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printf("Card ManufacturerID:%d\r\n",SDCardInfo.SD_cid.ManufacturerID); //制造商ID
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printf("Card RCA:%d\r\n",SDCardInfo.RCA); //卡相对地址
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printf("Card Capacity:%d MB\r\n",(u32)(SDCardInfo.CardCapacity>>20)); //显示容量
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printf("Card BlockSize:%d\r\n\r\n",SDCardInfo.CardBlockSize); //显示块大小
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}
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//测试SD卡的读取
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//从secaddr地址开始,读取seccnt个扇区的数据
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//secaddr:扇区地址
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//seccnt:扇区数
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void sd_test_read(u32 secaddr,u32 seccnt)
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{
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u32 i;
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u8 *buf;
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u8 sta=0;
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buf=mymalloc(SRAMEX,seccnt*512); //申请内存,从SDRAM申请内存
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sta=SD_ReadDisk(buf,secaddr,seccnt);//读取secaddr扇区开始的内容
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if(sta==0)
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{
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printf("SECTOR %d DATA:\r\n",secaddr);
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for(i=0;i<seccnt*512;i++)printf("%x ",buf[i]);//打印secaddr开始的扇区数据
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printf("\r\nDATA ENDED\r\n");
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}else printf("err:%d\r\n",sta);
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myfree(SRAMEX,buf); //释放内存
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}
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//测试SD卡的写入(慎用,最好写全是0XFF的扇区,否则可能损坏SD卡.)
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//从secaddr地址开始,写入seccnt个扇区的数据
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//secaddr:扇区地址
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//seccnt:扇区数
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void sd_test_write(u32 secaddr,u32 seccnt)
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{
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u32 i;
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u8 *buf;
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u8 sta=0;
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buf=mymalloc(SRAMEX,seccnt*512); //从SDRAM申请内存
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for(i=0;i<seccnt*512;i++) //初始化写入的数据,是3的倍数.
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{
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buf[i]=i*3;
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}
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sta=SD_WriteDisk(buf,secaddr,seccnt);//从secaddr扇区开始写入seccnt个扇区内容
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if(sta==0)
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{
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printf("Write over!\r\n");
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}else printf("err:%d\r\n",sta);
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myfree(SRAMEX,buf); //释放内存
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}
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int main(void)
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{
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u8 key;
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u32 sd_size;
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u8 t=0;
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u8 *buf;
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Cache_Enable(); //打开L1-Cache
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HAL_Init(); //初始化HAL库
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Stm32_Clock_Init(160,5,2,4); //设置时钟,400Mhz
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QSPI_Enable_Memmapmode(); //QSPI内存映射模式
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delay_init(400); //延时初始化
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uart_init(115200); //串口初始化
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usmart_dev.init(200); //初始化USMART
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LED_Init(); //初始化LED
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KEY_Init(); //初始化按键
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SDRAM_Init(); //初始化SDRAM
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LCD_Init(); //初始化LCD
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my_mem_init(SRAMIN); //初始化内部内存池(AXI)
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my_mem_init(SRAMEX); //初始化外部内存池(SDRAM)
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my_mem_init(SRAM12); //初始化SRAM12内存池(SRAM1+SRAM2)
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my_mem_init(SRAM4); //初始化SRAM4内存池(SRAM4)
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my_mem_init(SRAMDTCM); //初始化DTCM内存池(DTCM)
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my_mem_init(SRAMITCM); //初始化ITCM内存池(ITCM)
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POINT_COLOR=RED;
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LCD_ShowString(30,50,200,16,16,"POLARIS STM32");
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LCD_ShowString(30,70,200,16,16,"SD CARD TEST");
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LCD_ShowString(30,90,200,16,16,"ATOM@ALIENTEK");
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LCD_ShowString(30,110,200,16,16,"2019/5/10");
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LCD_ShowString(30,130,200,16,16,"KEY0:Read Sector 0");
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while(SD_Init())//检测不到SD卡
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{
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LCD_ShowString(30,150,200,16,16,"SD Card Error!");
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delay_ms(500);
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LCD_ShowString(30,150,200,16,16,"Please Check! ");
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delay_ms(500);
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LED0_Toggle;//DS0闪烁
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}
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show_sdcard_info(); //打印SD卡相关信息
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POINT_COLOR=BLUE; //设置字体为蓝色
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//检测SD卡成功
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LCD_ShowString(30,150,200,16,16,"SD Card OK ");
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LCD_ShowString(30,170,200,16,16,"SD Card Size: MB");
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LCD_ShowNum(30+13*8,170,SDCardInfo.CardCapacity>>20,5,16);//显示SD卡容量
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while(1)
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{
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key=KEY_Scan(0);
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if(key==KEY0_PRES)//KEY0按下了
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{
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buf=mymalloc(0,512); //申请内存
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key=SD_ReadDisk(buf,0,1);
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if(key==0) //读取0扇区的内容
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{
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LCD_ShowString(30,190,200,16,16,"USART1 Sending Data...");
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printf("SECTOR 0 DATA:\r\n");
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for(sd_size=0;sd_size<512;sd_size++)printf("%x ",buf[sd_size]);//打印0扇区数据
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printf("\r\nDATA ENDED\r\n");
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LCD_ShowString(30,190,200,16,16,"USART1 Send Data Over!");
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}else printf("err:%d\r\n",key);
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myfree(0,buf);//释放内存
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}
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t++;
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delay_ms(10);
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if(t==20)
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{
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LED0_Toggle;//DS0闪烁
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t=0;
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}
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}
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}
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