Seeker of Truth ,
/
freemaster_write2master_working
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Fork of
freemaster_write2master_working
by 
green rosh
Diff: main.cpp
- Revision:
- 0:9ea68477caaf
- Child:
- 1:8e4b5e1f8039
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Dec 06 06:22:50 2014 +0000
@@ -0,0 +1,29 @@
+#include "mbed.h"
+
+const int addr = 0x20; //slave address
+I2C master (D14,D15); //configure pins p27,p28 as I2C master
+Serial pc (USBTX,USBRX);
+
+void main()
+{
+ printf("press backspace for master to start \n\r");
+ while(1){
+ if(pc.getc()==8){
+ bool ack0 =true;
+ char *data = new char;
+ *data = 'b';
+ bool loopvariable0 = true;
+ while(loopvariable0){
+ printf("2 master clk freq setup and addressing slave\n\r");
+ master.frequency(100000); //set clock frequency
+ master.start(); //initiating the data transfer
+ ack0 = (bool) master.read(addr,data,1);
+ if(!ack0){
+ printf("3 master has read %c from slave\n\r",*data);
+ loopvariable0=false;
+ }
+ }
+ printf("done\n\r");
+ }
+ }
+}
\ No newline at end of file