Mbed
/
USBHostMSD_HelloWorld
USBHostMSD Hello World
Fork of USBHostMSD_HelloWorld by
Diff: main.cpp
- Revision:
- 0:0d68fe822228
- Child:
- 1:473f339c54c1
diff -r 000000000000 -r 0d68fe822228 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Mar 06 17:06:56 2013 +0000 @@ -0,0 +1,40 @@ +#include "mbed.h" +#include "USBHostMSD.h" + +DigitalOut led(LED1); + +void msd_task(void const *) { + + USBHostMSD msd("usb"); + int i = 0; + + while(1) { + + // try to connect a USB flash disk + while(!msd.connect()) + Thread::wait(500); + + FILE * fp = fopen("/usb/test.txt", "a"); + + if (fp != NULL) { + fprintf(fp, "Hello fun SD Card World: %d!\r\n", i++); + printf("Goodbye World!\r\n"); + fclose(fp); + } else { + printf("FILE == NULL\r\n"); + } + + // wait until the msd disk is disconnected + while(msd.connected()) + Thread::wait(500); + } +} + + +int main() { + Thread msdTask(msd_task, NULL, osPriorityNormal, (1024+512) * 4); + while(1) { + led=!led; + Thread::wait(500); + } +} \ No newline at end of file