Example to show how to use USB Host on the LPC4088 QSB.
Dependencies: LPC4088-USBHost mbed
Diff: main.cpp
- Revision:
- 0:5cd11f3b13a2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Apr 24 06:13:20 2015 +0000 @@ -0,0 +1,44 @@ +// Simple USBHost MSD(USB Flash drive) for EA LPC4088 QSB test program +#include "USBHostMSD.h" + +DigitalOut led1(LED1); +DigitalOut led2(LED2); +#define LED_OFF 0 +#define LED_ON 1 + +int main() { + USBHostMSD msd("usb"); + if (!msd.connect()) { + error("USB Flash drive not found.\n"); + } + FILE* fp = fopen("/usb/test1.txt", "a"); + if (fp) { + fprintf(fp, "Hello from EA LPC4088 QSB\n"); + for(int i = 0; i < 21; i++) { + fprintf(fp, " %d", i); + led2 = !led2; + } + fprintf(fp, "\n"); + fclose(fp); + } + fp = fopen("/usb/test1.txt", "r"); + if (fp) { + int n = 0; + while(1) { + int c = fgetc(fp); + if (c == EOF) { + break; + } + printf("%c", c); + n++; + led1 = !led1; + } + fclose(fp); + printf("%d bytes\n", n); + } + led2 = LED_OFF; + while(1) { + led1 = !led1; + wait_ms(200); + } +}