main.cpp

00001 /***************************
00002 * Controller for 10bit DAC *
00003 * MAX5741 Ramp Signal      *
00004 * 08/07/2016               *
00005 * Dan Argust               *
00006 ***************************/
00007 
00008 #include "mbed.h"
00009 
00010 //SPI(MOSI,MISO,SCLK)
00011 SPI device(P0_9,P0_8,P1_29);
00012 DigitalOut cs(P0_2);
00013 
00014 int response = 0;
00015 unsigned int control = 0x0;
00016 unsigned int data = 0x000;
00017 
00018 int main() {
00019     device.format(16,1);
00020     control = 0xf;
00021     data = 0xf010;
00022     cs = 0;
00023     response = device.write((control<<12)|(data));
00024     cs = 1;
00025     control = 0xc;
00026     data = 0x000;
00027     while(true){
00028         cs = 0;
00029         response = device.write((control<<12)|(data));
00030         cs = 1;
00031         (data>=0xffc) ? (data=0) : (data += 0x04);
00032         wait_us(1);
00033     }
00034 }