Andrey Myagkov
/
MRT-I2C-rw
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Serial_HelloWorld_Mbed
by 
mbed official
Revision 2:24f2636c2915, committed 2015-03-27
- Comitter:
- Andreus
- Date:
- Fri Mar 27 14:52:54 2015 +0000
- Parent:
- 1:560b8ced44df
- Commit message:
- Test
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Sun Sep 21 05:44:05 2014 +0000
+++ b/main.cpp Fri Mar 27 14:52:54 2015 +0000
@@ -1,10 +1,42 @@
#include "mbed.h"
Serial pc(USBTX, USBRX); // tx, rx
-
+I2C i2c(p28, p27);
+const int addr_r = 0xA9; //Read of EEPROM 10101001
+const int addr_w = 0xA8; //Write of EEPROM 10101000
+//const int freq = 300000;
+
+
int main() {
- pc.printf("Hello World!\n\r");
- while(1) {
- pc.putc(pc.getc() + 1); // echo input back to terminal
- }
+ pc.printf("EEPROM operation util\n\r");
+ char cmd[] = "aahello!!!";
+ cmd[0]=0xAA;
+ cmd[1]=0x12;
+ char buffer[8];
+
+
+ //i2c.frequency(freq);
+ pc.printf("Selection of i2c offset ");
+ if(i2c.write(addr_w,cmd,2,true)==0) {pc.printf("succeed"); }
+ else pc.printf ("failed");
+ i2c.read(addr_r, buffer, 8, false);
+ /* pc.printf("\n\rread 8 bytes: %s\n\r", buffer);
+ wait(0.5);
+ pc.printf("trying to write: %s ",cmd);
+ if(i2c.write(addr_w,cmd,10,false)) printf("succeed");
+ else printf ("failed");
+ wait(0.5);
+ pc.printf("Selection of i2c offset ");
+ if(i2c.write(addr_r,cmd,2,true)==0) {printf("succeed"); }
+ else printf ("failed");
+ i2c.read(addr_r, buffer, 8, true);
+ i2c.stop();
+ pc.printf("\n\rread 8 bytes: %s\n\r", buffer);
+ */
+
+
+
+ while(1)
+ {
+ }
}
\ No newline at end of file
--- a/mbed.bld Sun Sep 21 05:44:05 2014 +0000 +++ b/mbed.bld Fri Mar 27 14:52:54 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1 \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/487b796308b0 \ No newline at end of file