Alberto Petrucci / Mbed 2 deprecated Nucleo_I2C

NUCLEO I2C MASTER

Dependencies:   mbed

Fork of I2C_HelloWorld_Mbed by mbed official

main.cpp@1:677b47408246, 2017-03-01 (annotated)

Committer:
capriele
Date:
Wed Mar 01 08:06:44 2017 +0000
Revision:
1:677b47408246
Parent:
0:f76c26307f9a 
NUCLEO I2C MASTER

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:f76c26307f9a 1 #include "mbed.h"
capriele 1:677b47408246 2 #include <stdio.h>
capriele 1:677b47408246 3 #include <inttypes.h>
capriele 1:677b47408246 4
capriele 1:677b47408246 5 Serial pc(USBTX, USBRX); // tx, rx
mbed_official 0:f76c26307f9a 6
capriele 1:677b47408246 7 const int addr = (0x07);
capriele 1:677b47408246 8 I2C i2c(D14, D15); //sda, scl
mbed_official 0:f76c26307f9a 9
capriele 1:677b47408246 10 //LEDS
capriele 1:677b47408246 11 DigitalOut led0(D2);
capriele 1:677b47408246 12 DigitalOut led1(D3);
capriele 1:677b47408246 13 DigitalOut led2(D4);
capriele 1:677b47408246 14 DigitalOut led3(D5);
mbed_official 0:f76c26307f9a 15
mbed_official 0:f76c26307f9a 16 int main() {
capriele 1:677b47408246 17 i2c.frequency(100000);//100khz
capriele 1:677b47408246 18
capriele 1:677b47408246 19 char num0[1];
capriele 1:677b47408246 20 num0[0] = 0x00;
capriele 1:677b47408246 21
capriele 1:677b47408246 22 char cmd[1];
capriele 1:677b47408246 23 cmd[0] = 0x00;
mbed_official 0:f76c26307f9a 24 while (1) {
capriele 1:677b47408246 25 //i2c.write(addr, cmd, 1, false);
capriele 1:677b47408246 26 //i2c.read(addr, num0, 2, false);
capriele 1:677b47408246 27
capriele 1:677b47408246 28 //cmd[0] = 0x01;
capriele 1:677b47408246 29 i2c.write(addr, cmd, 1, false);
capriele 1:677b47408246 30 i2c.read(addr, num0, 1, false);
capriele 1:677b47408246 31
capriele 1:677b47408246 32 //Accendo i led
capriele 1:677b47408246 33 led0 = num0[0] & 0x01;
capriele 1:677b47408246 34 led1 = num0[0] & 0x02;
capriele 1:677b47408246 35 led2 = num0[0] & 0x03;
capriele 1:677b47408246 36 led3 = num0[0] & 0x04;
capriele 1:677b47408246 37 printf("RECEIVED = %02X \n", num0[0]);
mbed_official 0:f76c26307f9a 38 wait(0.5);
mbed_official 0:f76c26307f9a 39 }
mbed_official 0:f76c26307f9a 40 }