i2c slave working version 1.0
Fork of freeslave_write2master_working by
main.cpp@0:24e80ff2c7b1, 2014-12-06 (annotated)
- Committer:
- viswachaitanya
- Date:
- Sat Dec 06 06:24:28 2014 +0000
- Revision:
- 0:24e80ff2c7b1
- Child:
- 1:4c71a7675750
m_r_s
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
viswachaitanya | 0:24e80ff2c7b1 | 1 | #include "mbed.h" |
viswachaitanya | 0:24e80ff2c7b1 | 2 | |
viswachaitanya | 0:24e80ff2c7b1 | 3 | void write_to_master(char); //function to write data to master |
viswachaitanya | 0:24e80ff2c7b1 | 4 | |
viswachaitanya | 0:24e80ff2c7b1 | 5 | I2CSlave slave(D14,D15); //configuring pins p27, p28 as I2Cslave |
viswachaitanya | 0:24e80ff2c7b1 | 6 | Serial pc (USBTX,USBRX); |
viswachaitanya | 0:24e80ff2c7b1 | 7 | |
viswachaitanya | 0:24e80ff2c7b1 | 8 | void main(){ |
viswachaitanya | 0:24e80ff2c7b1 | 9 | printf("press backspace for slave to start \n\r"); |
viswachaitanya | 0:24e80ff2c7b1 | 10 | while(1){ |
viswachaitanya | 0:24e80ff2c7b1 | 11 | if(pc.getc()==8){ |
viswachaitanya | 0:24e80ff2c7b1 | 12 | bool loopvariable1= true; |
viswachaitanya | 0:24e80ff2c7b1 | 13 | char *data_send = new char; |
viswachaitanya | 0:24e80ff2c7b1 | 14 | *data_send = 'k'; |
viswachaitanya | 0:24e80ff2c7b1 | 15 | slave.address(0x20); |
viswachaitanya | 0:24e80ff2c7b1 | 16 | int slave_status=1; |
viswachaitanya | 0:24e80ff2c7b1 | 17 | while(loopvariable1){ |
viswachaitanya | 0:24e80ff2c7b1 | 18 | if(slave.receive()==1){ |
viswachaitanya | 0:24e80ff2c7b1 | 19 | slave_status=slave.write(data_send,1); |
viswachaitanya | 0:24e80ff2c7b1 | 20 | if(!slave_status){ |
viswachaitanya | 0:24e80ff2c7b1 | 21 | printf("1 wrote %c to master\n\r",*data_send); |
viswachaitanya | 0:24e80ff2c7b1 | 22 | loopvariable1 = false; |
viswachaitanya | 0:24e80ff2c7b1 | 23 | } |
viswachaitanya | 0:24e80ff2c7b1 | 24 | } |
viswachaitanya | 0:24e80ff2c7b1 | 25 | } |
viswachaitanya | 0:24e80ff2c7b1 | 26 | printf("2 done"); |
viswachaitanya | 0:24e80ff2c7b1 | 27 | } |
viswachaitanya | 0:24e80ff2c7b1 | 28 | } |
viswachaitanya | 0:24e80ff2c7b1 | 29 | } |