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https://github.com/cosmic-pi-deprecated/cosmicpi-arduino_V1.6.git
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Delete detector_setting.ino
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#include <Wire.h>
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// configure these to configure the detector
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static const int HV_DEFAULT = 0xAC;
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static const int DEFAULT_DAC_THRESH = 559; //modification for V1.5 production batch, this is a generic setting to be tuned by users
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// other constants
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static const int HV_MAX = 89;
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static const int HV_MIN = 255;
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static const int DEFAULT_THRESH = 559;
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static const bool USE_DAC = true;
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//set up the pins to remap SPI by hand
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//static const int num_devices = 2;
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//static const int SS_pin[num_devices] = {14, 15};
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//static const int SCK_pin = 17;
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//static const int MISO_pin = 22;
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//static const int MOSI_pin = 16;
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// I2C adress pins
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//#define MAX5387_PA0_pin A9
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//#define MAX5387_PA1_pin A10
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//#define MAX5387_PA2_pin A11
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byte thresh1;
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byte thresh2;
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int bigpart;
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int smallpart;
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// initilizes the detector with default values
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void setupDetector(){
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// setup pins
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detecSetPinModes();
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detcSetConstantPins();
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// set defaults
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if (USE_DAC){
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// analogWrite(DAC0, DEFAULT_DAC_THRESH);
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// analogWrite(DAC1, DEFAULT_DAC_THRESH);
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}else{
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setThreshold(3, DEFAULT_THRESH);
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}
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setHV(HV_DEFAULT);
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sprintf(txt,"Detector threshold: %d\n", DEFAULT_DAC_THRESH);
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aSer->print(txt);
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sprintf(txt,"Detector setup finished\n");
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aSer->print(txt);
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}
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// sets pin modes needed for the detector
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void detecSetPinModes(){
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//setup analog writemode
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// analogWriteResolution(12);
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// I2C adress pins for the MAX5387
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// pinMode(MAX5387_PA0_pin, OUTPUT);
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// pinMode(MAX5387_PA1_pin, OUTPUT);
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// pinMode(MAX5387_PA2_pin, OUTPUT);
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// HV pins
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// digitalWrite(SS, HIGH); // Start with SS high
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// for (int i=0; i<num_devices; i++){
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// pinMode(SS_pin[i], OUTPUT);
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// digitalWrite(SS_pin[i], HIGH);
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// }
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// pinMode(SCK_pin, OUTPUT);
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//pinMode(MISO_pin, INPUT); //this is the avalanche pin, not implemented yet
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// pinMode(MOSI_pin, OUTPUT);
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}
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// sets pins that don't need changing (ever)
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void detcSetConstantPins(){
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// I2C adress pins for the MAX5387
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// digitalWrite(MAX5387_PA0_pin, LOW);//configure the address of the MAX5387 pot
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// digitalWrite(MAX5387_PA1_pin, LOW);//configure the address of the MAX5387 pot
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// digitalWrite(MAX5387_PA2_pin, LOW);//configure the address of the MAX5387 pot
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}
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// this function sets the thresholds for the MAX5387
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// 1 is the first channel, 2 the second and 3 sets both at the same time
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void setThreshold(int pot_channel, int value){
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int address = 0x60; // config I2C address of the DAC
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//bitshifts for the two bytes to upload (10 bit value)
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smallpart=byte(value);
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bigpart=byte(value>>8);
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switch(pot_channel){
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case 1:
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sprintf(txt,"Setting threshold on channel 1 to: %d\n", value);
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aSer->print(txt);
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Wire.beginTransmission(address);
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Wire.write(B00001000); // sends five bytes
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Wire.write(bigpart); // sends one byte
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Wire.write(smallpart);
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Wire.endTransmission();
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break;
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case 2:
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sprintf(txt,"Setting threshold on channel 2 to: %d\n", value);
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aSer->print(txt);
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Wire.beginTransmission(address);
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Wire.write(B00000000); // sends five bytes
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Wire.write(bigpart); // sends one byte
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Wire.write(smallpart);
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Wire.endTransmission();
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break;
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case 3:
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sprintf(txt,"Setting threshold on both channels to: %d\n", value);
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aSer->print(txt);
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Wire.beginTransmission(address);
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Wire.write(B00001000); // sends five bytes
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Wire.write(bigpart); // sends one byte
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Wire.write(smallpart);
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Wire.endTransmission();
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Wire.beginTransmission(address);
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Wire.write(B00000000); // sends five bytes
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Wire.write(bigpart); // sends one byte
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Wire.write(smallpart);
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Wire.endTransmission();
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break;
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}
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/*
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// do a value check
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if (value > 255 || value < 1){
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return;
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} else {
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value = byte(value);
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}
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Wire.begin();
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Wire.beginTransmission(byte(0x28)); // transmit to device #112
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switch(pot_channel){
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case 1:
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sprintf(txt,"Setting threshold on channel 1 to: %d\n", value);
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aSer->print(txt);
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Wire.write(byte(B00010001)); //sets value to the first channel
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Wire.write(value);
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thresh1 = value;
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break;
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case 2:
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sprintf(txt,"Setting threshold on channel 2 to: %d\n", value);
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aSer->print(txt);
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Wire.write(byte(B00010010)); //sets value to the second channel
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Wire.write(value);
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thresh2 = value;
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break;
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case 3:
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sprintf(txt,"Setting threshold on channel 1&2 to: %d\n", value);
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aSer->print(txt);
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Wire.write(byte(B00010011)); //sets value to both channels
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Wire.write(value);
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thresh1 = value;
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thresh2 = value;
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break;
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}
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Wire.endTransmission();
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*/
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}
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// set the two HV supplies
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byte setHV(byte _send) // This function is what bitbangs the data
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{
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if (_send > 0x5A){ //hardlimit values
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sprintf(txt,"INFO: Setting HV 1&2 to: %d\n", _send);
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aSer->print(txt);
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//reception isn't implemented in this version.
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//byte _receive = 0;
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digitalWrite(PC7, LOW);
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for(int i=0; i<8; i++) // There are 8 bits in a byte
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{
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digitalWrite(PC3, bitRead(_send, 7-i)); // Set MOSI
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//delay(1);
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digitalWrite(PB13, HIGH); // SCK high
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//bitWrite(_receive, i, digitalRead(MISO_pin)); // Capture MISO
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digitalWrite(PB13, LOW); // SCK low
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//digitalWrite(MOSI_pin, LOW); // Set MOSI
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}
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digitalWrite(PC7, HIGH);
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digitalWrite(PC8, LOW);
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for(int i=0; i<8; i++) // There are 8 bits in a byte
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{
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digitalWrite(PC3, bitRead(_send, 7-i)); // Set MOSI
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//delay(1);
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digitalWrite(PB13, HIGH); // SCK high
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//bitWrite(_receive, i, digitalRead(MISO_pin)); // Capture MISO
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digitalWrite(PB13, LOW); // SCK low
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//digitalWrite(MOSI_pin, LOW); // Set MOSI
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}
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digitalWrite(PC8, HIGH);
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//return _receive; // Return the received data
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}
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}
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