I2C ADC to SPI DAC example

Dependencies:   MCP3221 MCP4822lib mbed

Fork of MCP3221_TEST by David Styles

Revision:
1:38e8128d989b
Parent:
0:88f03a5d0ca0
Child:
3:c6fa88392c58
--- a/main.cpp	Wed Oct 31 22:16:00 2012 +0000
+++ b/main.cpp	Thu Mar 26 13:44:57 2015 +0000
@@ -1,20 +1,23 @@
 
 #include "mbed.h"
 #include "MCP3221.h"
+#include "MCP4822.h"
 
 DigitalOut myled(LED1);
 
 Serial pc(USBTX, USBRX); // tx, rx
-AnalogIn ain(p20);
 MCP3221 adc(p9, p10, 5.0); //sda, scl, supplyVoltage
+MCP4822 dac (p11, p12, p13, p14);
 
 int main() {
-
+    float reading;
     wait(1);
     while (1) {
         
         pc.printf("ain: %f :: ", ain.read()*3.3);
-        pc.printf("adc: %f \r\n", adc.read());
+        reading = adc.read();
+        pc.printf("adc: %f \r\n", reading);
+        dac.setA(reading);
         
         
         myled=!myled;