Henrique Rosa
adress_I2C
Revision 0:4f47045c5eff, committed 23 months ago
- Comitter:
- henriquer
- Date:
- Wed Nov 16 14:17:26 2022 +0000
- Commit message:
- teste i2c
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 Wed Nov 16 14:17:26 2022 +0000
@@ -0,0 +1,24 @@
+#include "mbed.h"
+
+I2C i2c(I2C_SDA, I2C_SCL);
+
+int main(){
+ printf("\nI2C Scanner running...\n");
+ //i2c.frequency(400000);
+ int error, address, nDevices;
+ nDevices = 0;
+ for(address = 0; address < 128; address++ ){
+ thread_sleep_for(10);
+ error = i2c.write(address << 1, "1", 1);
+
+ if (error == 0){
+ 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.bld Wed Nov 16 14:17:26 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file