I2C ADC to SPI DAC example

Dependencies:   MCP3221 MCP4822lib mbed

Fork of MCP3221_TEST by David Styles

main.cpp

Committer:
janekm
Date:
2015-03-26
Revision:
1:38e8128d989b
Parent:
0:88f03a5d0ca0
Child:
3:c6fa88392c58

File content as of revision 1:38e8128d989b:


#include "mbed.h"
#include "MCP3221.h"
#include "MCP4822.h"

DigitalOut myled(LED1);

Serial pc(USBTX, USBRX); // tx, rx
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);
        reading = adc.read();
        pc.printf("adc: %f \r\n", reading);
        dac.setA(reading);
        
        
        myled=!myled;


        wait(1);
    }
}