main.cpp

00001 #include "mbed.h"
00002 
00003 //#define I2C_SLAVE_MOD
00004 
00005 #ifdef I2C_SLAVE_MOD
00006 #include "I2CSlave_mod_NXP.h"
00007 I2CSlave_mod slave(dp5, dp27);          // sda, scl
00008 #else
00009 I2CSlave slave(dp5, dp27);              // sda, scl
00010 #endif
00011 
00012 Serial serial(dp16, dp15);              // tx, rx
00013 DigitalOut led(LED1);                  // indicator
00014 
00015 int main() {
00016     led = 0;
00017     serial.baud(115200);
00018 
00019     char buf[10];
00020     slave.address(0x80);
00021 
00022     while(1) {
00023         int i = slave.receive();
00024         switch (i) {
00025             case I2CSlave::ReadAddressed:
00026                 //slave.write(msg, strlen(msg) + 1); // Includes null char
00027                 led = 0;
00028                 break;
00029             case I2CSlave::WriteGeneral:
00030                 //slave.read(buf, 10);
00031                 //printf("Read G: %s\n", buf);
00032                 led = 0;
00033                 break;
00034             case I2CSlave::WriteAddressed:
00035                 if (slave.read(buf, 10) == 0) {
00036                     // success
00037                     serial.printf("Read success. DATA: %s\n", buf);
00038                     led = 1;
00039                 } else {
00040                     // failure
00041                     serial.printf("Read failure. DATA: %s\n", buf);
00042                     led = 0;
00043                 }
00044                 break;
00045         }
00046 
00047         for(int i = 0; i < 10; i++) buf[i] = 0;    // Clear buffer
00048     }
00049 }