Kunal Waghray
First trail ADC to receive one value
Revision 0:4833c37bb5b3, committed 2018-03-19
- Comitter:
- kwag
- Date:
- Mon Mar 19 02:03:24 2018 +0000
- Commit message:
- First test for to receive one value from the ADC;
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 4833c37bb5b3 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Mar 19 02:03:24 2018 +0000
@@ -0,0 +1,25 @@
+#include "mbed.h"
+Serial pc(USBTX, USBRX);
+I2C i2c(D0, D1);
+
+int main()
+ {
+ uint8_t curr_addr;
+ char data[1],vdata[2];
+ float voltage, input;
+ curr_addr = 0x92;
+ data[0]=0x02; /*selecting AIN2 for PCF 8591 to read from*/
+ i2c.start();
+ i2c.write(curr_addr,data,1);
+
+ while(1)
+ {
+ vdata[0] = 0;
+ i2c.read(curr_addr,vdata,1);
+ wait(0.3);
+ input=vdata[0];
+ voltage=(input/256)*5;
+ //pc.printf("%f\r\n", input);
+ pc.printf("the voltage is %f\r\n",voltage);
+ }
+}
\ No newline at end of file
diff -r 000000000000 -r 4833c37bb5b3 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Mar 19 02:03:24 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/aa5281ff4a02 \ No newline at end of file