Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of freemaster_write2master_working by
Diff: main.cpp
- Revision:
- 3:c810e140a6bf
- Parent:
- 2:2dd5bd9a64fb
- Child:
- 4:0b714f858ed2
--- a/main.cpp Wed Dec 10 16:39:17 2014 +0000 +++ b/main.cpp Fri Dec 12 08:53:06 2014 +0000 @@ -5,20 +5,45 @@ Serial pc (USBTX,USBRX); DigitalOut interrupt(D9); InterruptIn data_ready(D10); + + + void FUNC_I2C_MASTER() { //printf("press backspace for master to start \n\r"); //while(1){ - // interrupt = 0; + //interrupt = 0; // if(pc.getc()=='z'){ + wait(0.5); interrupt = 1; - printf("\nEntered master function\n"); - int ack0 =true; + printf("\nMaster executed\n"); + + + bool ack0 =true; + bool loopvariable0 =true; char *data = new char; *data = 'b'; - bool loopvariable0 = true; + + + master.frequency(100000); //set clock frequency //master.start(); + /*while(write2slave) + { *writedata = pc.getc(); + wait(0.5); + + printf("master clk freq setup and addressing slave\n\r"); + master.start(); //initiating the data transfer + master_status_write = (bool) master.write(addr|0x00,writedata,1); + if(master_status_write==0) + { + printf("master has written %c to slave\n\r",*writedata); + write2slave=false; + } + + + }*/ + while(ack0) { //printf("2 master clk freq setup and addressing slave\n\r"); @@ -36,13 +61,37 @@ //printf("done\n\r"); delete data; interrupt=0; -} -void main() -{ + } + + +int main() +{ data_ready.rise(&FUNC_I2C_MASTER); printf("\nstarted master\n"); + bool write2slave; + char *writedata = new char; + + + bool master_status_write = true; while(1) - { - ; + { write2slave=true; + interrupt = 0; + + *writedata = pc.getc(); + + interrupt = 1; + master.frequency(100000); //set clock frequency + while(write2slave) + { + printf("master clk freq setup and addressing slave\n\r"); + master.start(); //initiating the data transfer + master_status_write = (bool) master.write(addr|0x00,writedata,1); + if(master_status_write==0) + { + printf("master has written %c to slave\n\r",*writedata); + write2slave=false; + } + } + } } \ No newline at end of file