main.cpp

00001 #include "mbed.h"
00002 Serial pc(USBTX, USBRX);
00003 DigitalOut myled(LED1);
00004 SPI spi(p11, p12, p13); //mosi, miso, sclk
00005 DigitalOut cs(p14);
00006 DigitalOut pin21(p21);
00007 DigitalOut pin22(p22);
00008 #define DTIME 0.005
00009 
00010 int main() {
00011     pc.printf("Hello World!\r\n");
00012        
00013     spi.format(8,0);
00014     spi.frequency(1000000);
00015     int teste;
00016     teste=0xAA;
00017     int testes;
00018     testes=0xAB;
00019     while(1){
00020         pc.printf("Please hit key 'a'\r\n");
00021         char mbed1=pc.getc();
00022         if(mbed1=='a'){
00023             cs=0;
00024             wait(DTIME);
00025             int result = spi.write(teste);
00026             pc.printf("Send to Slave = %d\n\r", teste);
00027             pc.printf("Reply from Slave = %d\n\r", result);
00028             pc.printf("\n\r");
00029             wait(DTIME);
00030             cs=1;
00031             wait(1);
00032         }
00033         else if(mbed1=='b'){
00034             cs=0;
00035             wait(DTIME);
00036             int result = spi.write(testes);
00037             pc.printf("Send to Slave = %d\n\r", testes);
00038             pc.printf("Reply from Slave = %d\n\r", result);
00039             pc.printf("\n\r");
00040             wait(DTIME);
00041             cs=1;
00042             wait(1);
00043             }
00044     }
00045 }