Diff: hardwareIO.cpp

Revision:

0:c19dc1d8b225

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hardwareIO.cpp	Mon Oct 17 13:23:06 2011 +0000
@@ -0,0 +1,87 @@
+#include "hardwareIO.h"
+
+HardwareIO IO; // preintantiation of cross-file global object IO
+
+// --------------------------------------  (0) SETUP ALL IO (call this in the setup() function in main program)
+
+ Serial pc(USBTX, USBRX); // tx, rx
+
+ SPI spiDAC(MOSI_PIN, MISO_PIN, SCK_PIN); // mosi, miso, sclk
+ DigitalOut csDAC(CS_DAC_MIRRORS);
+    
+ DigitalOut Laser_Red(LASER_RED_PIN);
+ DigitalOut Laser_Green(LASER_GREEN_PIN);
+ DigitalOut Laser_Blue(LASER_BLUE_PIN);
+
+void HardwareIO::init(void) {
+    Laser_Red = 1;
+    Laser_Green = 0;
+    Laser_Blue = 0;
+    
+    //Serial Communication setup:
+    pc.baud(115200);//921600);
+    
+    // Setup for lock-in amplifier and pwm references:
+    lockin.init();
+    
+    // Setup the spi for 8 bit data, high steady state clock,
+    // second edge capture, with a 10MHz clock rate
+    csDAC = 1;
+    spiDAC.format(16,0);
+    spiDAC.frequency(16000000);
+   
+   // default initial mirror position: 
+    writeOutX(CENTER_AD_MIRROR_X);
+    writeOutY(CENTER_AD_MIRROR_Y);
+}
+
+//write on the first DAC, output A (mirror X)
+void HardwareIO::writeOutX(int value){
+ if(value > MAX_AD_MIRRORS) value = MAX_AD_MIRRORS;
+ if(value < MIN_AD_MIRRORS) value = MIN_AD_MIRRORS;
+ 
+ value |= 0x7000;
+ value &= 0x7FFF;
+ 
+ csDAC = 0;
+ spiDAC.write(value);
+ csDAC = 1;
+}
+
+//write on the first DAC, output B (mirror Y)
+void HardwareIO::writeOutY(int value){
+ if(value > MAX_AD_MIRRORS) value = MAX_AD_MIRRORS;
+ if(value < MIN_AD_MIRRORS) value = MIN_AD_MIRRORS;
+ 
+ value |= 0xF000;
+ value &= 0xFFFF;
+ 
+ csDAC = 0;
+ spiDAC.write(value);
+ csDAC = 1;
+}
+
+void HardwareIO::setRedPower(int powerValue){
+    if(powerValue > 0){
+       lockin.setLaserPower(true);
+    }
+    else{
+       lockin.setLaserPower(false);
+    }
+}
+void HardwareIO::setGreenPower(int powerValue){
+    if(powerValue > 0){
+        Laser_Green = 1;
+    }
+    else{
+        Laser_Green = 0;
+    }
+}
+void HardwareIO::setBluePower(int powerValue){
+    if(powerValue > 0){
+        Laser_Blue = 1;
+    }
+    else{
+        Laser_Blue = 0;
+    }
+}