Seeker of Truth , / Mbed 2 deprecated slave_sample

slave working

Dependencies:   mbed slave_sample

Fork of slave_sample by sakthi priya amirtharaj

main.cpp@1:d5cf8c6f7ef4, 2014-12-06 (annotated)

Committer:
raizel_varun
Date:
Sat Dec 06 13:24:32 2014 +0000
Revision:
1:d5cf8c6f7ef4
Parent:
0:17326cfa2586 
sgd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sakthipriya 0:17326cfa2586 1 #include "mbed.h"
sakthipriya 0:17326cfa2586 2
raizel_varun 1:d5cf8c6f7ef4 3 #define interrupt D9
sakthipriya 0:17326cfa2586 4
sakthipriya 0:17326cfa2586 5 void write_to_master(char); //function to write data to master
sakthipriya 0:17326cfa2586 6 DigitalOut led1(LED_RED);
sakthipriya 0:17326cfa2586 7 I2CSlave slave(D14,D15); //configuring pins p27, p28 as I2Cslave
sakthipriya 0:17326cfa2586 8 Serial pc(USBTX,USBRX);
sakthipriya 0:17326cfa2586 9 InterruptIn m2s_interrupt(interrupt);
sakthipriya 0:17326cfa2586 10 //int m2s = m2s_interrupt;
sakthipriya 0:17326cfa2586 11 bool read_loop = true;
raizel_varun 1:d5cf8c6f7ef4 12
sakthipriya 0:17326cfa2586 13 void write2slave()
raizel_varun 1:d5cf8c6f7ef4 14
sakthipriya 0:17326cfa2586 15 {
sakthipriya 0:17326cfa2586 16 printf("\nEntered slave code\n");
raizel_varun 1:d5cf8c6f7ef4 17 read_loop=true;
sakthipriya 0:17326cfa2586 18 char *data_rec = new char;
raizel_varun 1:d5cf8c6f7ef4 19 int slave_status =1;
raizel_varun 1:d5cf8c6f7ef4 20
raizel_varun 1:d5cf8c6f7ef4 21 slave.address(0x20);
raizel_varun 1:d5cf8c6f7ef4 22
raizel_varun 1:d5cf8c6f7ef4 23
raizel_varun 1:d5cf8c6f7ef4 24
raizel_varun 1:d5cf8c6f7ef4 25 printf("\nentered slave while loop\n");
raizel_varun 1:d5cf8c6f7ef4 26 //if(slave.receive()==3)
raizel_varun 1:d5cf8c6f7ef4 27 while(slave_status==1)
sakthipriya 0:17326cfa2586 28 slave_status=slave.read(data_rec,1);
raizel_varun 1:d5cf8c6f7ef4 29
raizel_varun 1:d5cf8c6f7ef4 30 if(slave_status==0){printf("1 read %c from master\n\r",*data_rec);
raizel_varun 1:d5cf8c6f7ef4 31 read_loop = false;}
raizel_varun 1:d5cf8c6f7ef4 32
raizel_varun 1:d5cf8c6f7ef4 33 printf("\n done \n \r");
raizel_varun 1:d5cf8c6f7ef4 34
raizel_varun 1:d5cf8c6f7ef4 35 delete data_rec;
raizel_varun 1:d5cf8c6f7ef4 36
sakthipriya 0:17326cfa2586 37 }
sakthipriya 0:17326cfa2586 38
raizel_varun 1:d5cf8c6f7ef4 39
sakthipriya 0:17326cfa2586 40
sakthipriya 0:17326cfa2586 41
sakthipriya 0:17326cfa2586 42 int main(){
sakthipriya 0:17326cfa2586 43
sakthipriya 0:17326cfa2586 44 printf("interrupt for slave to start \n\r");
raizel_varun 1:d5cf8c6f7ef4 45 m2s_interrupt.rise(&write2slave);
raizel_varun 1:d5cf8c6f7ef4 46 //m2s_interrupt.fall(&write2slave);
raizel_varun 1:d5cf8c6f7ef4 47 while(1)
raizel_varun 1:d5cf8c6f7ef4 48 {
raizel_varun 1:d5cf8c6f7ef4 49 ;
raizel_varun 1:d5cf8c6f7ef4 50 }
sakthipriya 0:17326cfa2586 51 //write2slave();
raizel_varun 1:d5cf8c6f7ef4 52
sakthipriya 0:17326cfa2586 53 }
sakthipriya 0:17326cfa2586 54
sakthipriya 0:17326cfa2586 55
sakthipriya 0:17326cfa2586 56
sakthipriya 0:17326cfa2586 57