Jan Kamidra
/
Mbed_I2C_scanner
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.
Revision 0:6c7b081066fd, committed 2022-08-02
- Comitter:
- JohnnyK
- Date:
- Tue Aug 02 10:05:33 2022 +0000
- Commit message:
- First
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Aug 02 10:05:33 2022 +0000
@@ -0,0 +1,30 @@
+#include "mbed.h"
+
+I2C i2c(ARDUINO_UNO_I2C_SDA, ARDUINO_UNO_I2C_SCL);
+
+int main(){
+ printf("\nI2C Scanner running...\n");
+ printf("Mbed OS version %d.%d.%d\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
+ //i2c.frequency(400000);
+ int error, address, nDevices;
+ nDevices = 0;
+
+ for(address = 0; address < 128; address++ ){
+ thread_sleep_for(10);
+ /*i2c.start();
+ error = i2c.write(address << 1);
+ i2c.stop();*/
+ error = i2c.write(address << 1, "1", 1);
+ //pc.printf("Erorr %d\n", error);
+ if (error == 0){ //need to be change according to what version of overloaded write method is used
+ printf("I2C device found at address 8bit: 0x%X 7bit: 0x%X\n", address, address << 1);
+ nDevices++;
+ }
+ }
+
+ if (nDevices == 0){
+ printf("No I2C devices found\n");
+ }else{
+ printf("\ndone\n");
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Tue Aug 02 10:05:33 2022 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#b1796dedeb8accde1cbaecf136fab96895e23d81
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json Tue Aug 02 10:05:33 2022 +0000
@@ -0,0 +1,1 @@
+{"requires": ["bare-metal"]}