An example program for the S25FL216K flash memory
Dependencies: S25FL216K_FATFileSystem mbed
Fork of S25FL216K_HelloWorld by
Diff: main.cpp
- Revision:
- 6:d3431822f4a9
- Parent:
- 4:6a2931c19204
--- a/main.cpp Fri Dec 19 14:45:49 2014 +0000 +++ b/main.cpp Tue Dec 23 21:41:08 2014 +0000 @@ -1,17 +1,30 @@ #include "mbed.h" -#include "Flash_USBFileSystem.h" +#include "Flash_FileSystem.h" -DigitalOut myled(LED1); -//FlashUSB flash(PTD6, PTD7, PTB11, PTE4); -FlashUSB flash(P0_9, P0_8, P0_7, P0_6); - +FlashSPI flash(P0_9, P0_8, P0_7, P0_6, "flash"); int main() { wait(0.1); printf("Hello World!\r\n"); + char buffer[100]; + FILE *fp; - FILE *fp = fopen("/USB/in1.txt", "w"); + int i; + + printf("directory list\r\n"); + DIR *d = opendir("/flash"); // Opens the root directory of the local file system + struct dirent *p; + i = 0; + while((p = readdir(d)) != NULL) { // Print the names of the files in the local file system + printf("%s\r\n", p->d_name); // to stdout. + i++; + } + closedir(d); + printf("total %d files found.\r\n\n", i); + + fp = fopen("/flash/in1.txt", "a"); + printf("-0-\r\n"); if(fp == NULL) { printf("Could not open file, assuming unformatted disk!\r\n"); @@ -22,15 +35,42 @@ while(1); } else { wait(0.2); - fprintf(fp, "Type your text here!"); + fprintf(fp, "hello "); + fclose(fp); + } + + wait(0.5); + + fp = fopen("/flash/in2.txt", "a"); + if (fp == NULL) { + printf("out.txt can't created.\r\n"); + } else { + wait(0.2); + fprintf(fp, "Hello 2 "); fclose(fp); } - fp = fopen("/USB/in2.txt", "w"); + wait(0.5); + + fp = fopen("/flash/in1.txt", "r"); if (fp == NULL) { - printf("out.txt can't created.\r\n"); - } else { - fprintf(fp, "Hello World!\r\n"); + printf("in1.txt can't open to read.\r\n"); + } else + { + fgets (buffer, 100, fp); + printf("%s\r\n", buffer); + fclose(fp); + } + + wait(0.5); + + fp = fopen("/flash/in2.txt", "r"); + if (fp == NULL) { + printf("in2.txt can't open to read.\r\n"); + } else + { + fgets (buffer, 100, fp); + printf("%s\r\n", buffer); fclose(fp); }