zh mg
NUCLEO-F103 ADC example
Diff: main.cpp
- Revision:
- 0:debb5e9583ad
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Dec 07 06:59:02 2015 +0000
@@ -0,0 +1,22 @@
+#include "mbed.h"
+AnalogIn light(A0);
+DigitalOut led(LED1);
+
+float lvf=0;
+float lvu=0;
+int main()
+{
+ while(1)
+ {
+ lvf=(float)light;
+ lvu=light.read();// Converts and read the analog input value (value from 0.0 to 1.0)
+ lvu = lvu * 3300;// Change the value to be in the 0 to 3300 range
+ printf("light adc count is %f , %.0fmV \n",lvf,lvu);
+ wait(0.5);
+ if (lvu<0.7)// If the value is less than 0.7V then switch the LED on
+ led=1;
+ else
+ led=0;
+ }
+
+}