V8
Scan I2C address with COM port output
Dependencies: mbed
Revision 0:02e1d738d7ad, committed 2015-12-05
- Comitter:
- bi18rdbi18rd
- Date:
- Sat Dec 05 10:31:10 2015 +0000
- Commit message:
- IIC Scan address;
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 |
diff -r 000000000000 -r 02e1d738d7ad main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Dec 05 10:31:10 2015 +0000
@@ -0,0 +1,29 @@
+#include "mbed.h"
+
+I2C i2c(I2C_SDA, I2C_SCL);
+
+int addr = 0x00;
+
+int main()
+{
+ bool ack;
+
+ printf("\nstart\n");
+
+ i2c.frequency(100000);
+
+
+ while(1) {
+
+//sent data i2c FIGURE 4-1
+ ack = i2c.write(addr,0x00,1);
+ wait_us(5);
+
+ if(!ack) printf("I2C found @ %x\n",addr);
+
+ if(addr>=0xFF) break;
+ addr++;
+ }
+ printf("stop\n\n");
+
+}
\ No newline at end of file
diff -r 000000000000 -r 02e1d738d7ad mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Dec 05 10:31:10 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11 \ No newline at end of file