78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
#include "src/W25QXXArduino/w25qxx.h"
|
||
#include "src/FATS/ff.h"
|
||
/***FATS 这几个变量设置为全局变量，不然会栈溢出错误***/
|
||
BYTE work[4096]; //FATFS工作缓冲区
|
||
FATFS fs; //文件系统对象
|
||
FIL fil; //文件对象
|
||
FRESULT res;//操作返回对象
|
||
UINT bw, i; //临时变量
|
||
BYTE mm[500]; //临时数组
|
||
/***FATS***/
|
||
void setup() {
|
||
// put your setup code here, to run once:
|
||
uint8_t table[256]={0};
|
||
Serial.setRxBufferSize(256);
|
||
Serial.setTimeout(10);
|
||
Serial.onReceive(SerialRe,true);
|
||
Serial.begin(115200);
|
||
delay(1000*9);
|
||
W25QXX_Init();
|
||
Serial.printf("flash is %X\n",W25QXX_ReadID());
|
||
///写文件测试文件//
|
||
res = f_mount(&fs, "0:",1);
|
||
if(res == 0X0D) //FLASH磁盘，FAT文件系统错误，重新格式化FLASH
|
||
{
|
||
Serial.printf("Flash Disk Formatting...\n"); //格式化FLASH
|
||
res = f_mkfs("0:",FM_ANY,0,work,sizeof(work));
|
||
if(res != FR_OK)
|
||
Serial.printf("mkfs error.\n");
|
||
}
|
||
if(res == FR_OK)
|
||
Serial.printf("FATFS Init ok!\n");
|
||
res = f_open(&fil,"0:/test.txt",FA_CREATE_NEW);
|
||
if(res != FR_OK && res != FR_EXIST)
|
||
Serial.printf("create file error.\n");
|
||
if(res == FR_EXIST)
|
||
res = f_open(&fil,"0:test.txt",FA_WRITE|FA_READ|FA_OPEN_APPEND);
|
||
if(res != FR_OK)
|
||
Serial.printf("open file error.\n");
|
||
else{
|
||
Serial.printf("open file ok.\n");
|
||
f_puts("Hello,World!\n你好世界\n",&fil);
|
||
Serial.printf("file size:%lu Bytes.\n", f_size(&fil));
|
||
memset(mm,0x0,500);
|
||
f_lseek(&fil,0);
|
||
res = f_read(&fil,mm,500,&i);
|
||
if(res == FR_OK) printf("read size:%d Bytes.\n%s",i,mm);
|
||
else Serial.printf("read error!\r\n");
|
||
f_close(&fil);
|
||
/*卸载文件系统*/
|
||
f_mount(0,"0:",0);
|
||
}
|
||
}
|
||
|
||
void loop() {
|
||
// put your main code here, to run repeatedly:
|
||
delay(1000);
|
||
}
|
||
void SerialRe(){
|
||
// uint8_t buffer[256]={0};
|
||
// static int pagecnt = 0;
|
||
// if(Serial.available()){
|
||
// Serial.readBytes(buffer,256);
|
||
// }
|
||
// W25QXX_Write_Page(buffer,256*pagecnt,256);
|
||
// pagecnt++;
|
||
// Serial.printf("page %02d\n",pagecnt);
|
||
int i;
|
||
uint8_t buffer[16]={0};
|
||
if(Serial.available()){
|
||
i = Serial.parseInt();
|
||
Serial.printf("read %0d\n",i);
|
||
W25QXX_Read(buffer,i,16);
|
||
for(uint8_t temp:buffer){
|
||
Serial.printf("%02X ",temp);
|
||
}
|
||
}
|
||
}
|