Rune Langoy
/
I2C_detect_address
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LAB11_Oppgave1
by 
EL-POM1001
Revision 0:81fa0e3e8a6c, committed 2015-11-09
- Comitter:
- rlanghbv
- Date:
- Mon Nov 09 13:39:59 2015 +0000
- Child:
- 1:2d9d32fc4f5d
- Commit message:
- First Commit
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 |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Nov 09 13:39:59 2015 +0000
@@ -0,0 +1,17 @@
+#include "mbed.h"
+
+ //SDA , SCL
+I2C i2cBus(PB_9, PB_8);
+
+int main()
+{
+ i2cBus.frequency(100000);
+
+ //Scan the valid I2C addresrange: 0x3 to 0x77
+ for (int i2cAddres=3; i2cAddres<=0x77; i2cAddres++) {
+ if (!i2cBus.write(i2cAddres<<1, NULL, 0)) { // 0 if a device ACK'ed the message
+ printf("\r\nI2C device found at address 0x%02X \r\n", i2cAddres);
+ }
+ }
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Nov 09 13:39:59 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11 \ No newline at end of file