main.cpp

00001 #include "mbed.h"
00002 
00003 #if !DEVICE_LOCALFILESYSTEM
00004   #error [NOT_SUPPORTED] LocalFileSystem not supported
00005 #endif
00006 
00007 #include "TextLCD.h"
00008 
00009 int main() {
00010     printf("printf to stdout\n");
00011 
00012     // printf to specific peripherals
00013     Serial pc(USBTX, USBRX);
00014     pc.printf("Serial(USBTX, USBRX).printf\n");
00015 
00016     TextLCD lcd(p14, p15, p16, p17, p18, p19, p20, "lcd"); // rs, rw, e, d0-d3, name
00017     lcd.printf("TextLCD.printf\n");
00018 
00019     // change stdout to file
00020     LocalFileSystem local("local");
00021     freopen("/local/output.txt", "w", stdout);
00022     printf("printf redirected to LocalFileSystem\n");
00023     fclose(stdout);
00024 
00025     // change stdout to LCD
00026     freopen("/lcd", "w", stdout);
00027     printf("printf redirected to TextLCD\n");
00028     fclose(stdout);
00029 
00030     DigitalOut led(LED1);
00031     while (true) {
00032         led = !led;
00033         wait(1);
00034     }
00035 }