Marcin Kosela / PCF8591

It is simple to use PCF8591 Library (ADC / DAC converter) for LPC800MAX

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PCF8591.h

00001 #include "mbed.h"
00002 #include "stdio.h"
00003 
00004 
00005 //init_adc(pin sda, pin scl, address, ADC mux, DAC value) return 1/0 (1-transmission ok)
00006 
00007 // adc(pin sda, pin scl, address, ADC mux) return ADC value
00008 
00009 int init_adc (PinName sda, PinName scl,unsigned char addr, char mux,char dac_)
00010 {
00011 const char comm[] = {0x40+mux,dac_};
00012 I2C p_i2c(sda,scl);
00013 return(p_i2c.write(addr,comm,2));
00014 }
00015 
00016 int adc (PinName sda, PinName scl,char addr)
00017 {
00018 char response[1];
00019 I2C p_i2c(sda,scl);
00020 p_i2c.read((addr+0x01), response, 1);
00021 return(response[0]);
00022 }
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