Domenico Vitale
/
Sens_Temp_I2C
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Revision 0:72fc8166a8ae, committed 2022-01-18
- Comitter:
- domemort
- Date:
- Tue Jan 18 17:01:14 2022 +0000
- Commit message:
- .;
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 Tue Jan 18 17:01:14 2022 +0000
@@ -0,0 +1,22 @@
+#include "mbed.h"
+
+I2C i2c(D14, D15);
+Serial pc(USBTX, USBRX);
+const int addr = 0x48<<1;
+
+int main (){
+ i2c.frequency(100000);
+ char cmd[2];
+ pc.printf("\r\nTCN75 I2C thermometer\r\n");
+ cmd[0] = 0x01;
+ cmd[1] = 0x00;
+ i2c.write(addr, cmd, 2);
+ while(1) {
+ wait(1);
+ cmd[0] = 0x00;
+ i2c.write(addr, cmd, 1);
+ i2c.read(addr, cmd, 2);
+ float temp = 0.0625f*((cmd[0]<<8 | cmd[1])>>4);
+ pc.printf("Temperature = %.4f C\r\n", temp);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Jan 18 17:01:14 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file