132 lines
No EOL
3.5 KiB
Text
132 lines
No EOL
3.5 KiB
Text
//Cosmic Pi histogram program
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//this compiles histograms from the ADC for different HV Bias levels
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//it is used to profile the detection of muons and noise
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unsigned long start_time;
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unsigned long stop_time;
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unsigned int values[2000];
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unsigned long histograma[4096];
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unsigned long histogramb[4096];
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const int SS_pin = 42; //tbc
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const int SCK_pin = 44;
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const int MISO_pin = 22;
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const int MOSI_pin = 43;
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String intextbuf;
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String extextbuf;
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byte sendValue = 0xFF; // Value we are going to send
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byte returnValue = 0; // Where we will store the value sent by the slave
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int cyclecounter = 0;
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int hvset = 0;
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void setup() {
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digitalWrite(SS, HIGH); // Start with SS high
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pinMode(SS_pin, OUTPUT);
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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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Serial.begin(115200);
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REG_ADC_MR = 0x10380080; // Free run as fast as you can
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REG_ADC_CHER = 3; // Channels 0 and 1
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REG_ADC_CR = 2; // Start
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Serial.print("Alive");
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sendValue = 0x60;
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Serial.println("Histogram for channels A and B, voltage scan");
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Serial.println("1000 samples per round");
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Serial.println("100,000 sets of samples");
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Serial.println("100,000,000 samples per output");
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returnValue = bitBang(sendValue); // Transmit data
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for (int i = 0; i < 4096; i++) {
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histograma[i] = 0;
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histogramb[i] = 0;
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}
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Serial.print("hvset");
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Serial.print("; ");
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Serial.print("sample");
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Serial.print("; ");
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Serial.print("channel a");
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Serial.print("; ");
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Serial.println("channel b");
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}
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void loop() {
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//reads in on channel 0
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for (hvset = 0x70; hvset > 0x50; hvset--) {
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returnValue = bitBang(hvset); // Transmit data
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for (int j = 0; j < 100000; j++) {
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for (int i = 0; i < 1000; i++) {
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while ((ADC->ADC_ISR & 0x01) == 0);; // wait for conversion
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values[i] = ADC->ADC_CDR[0]; //reads ch 0 only
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while ((ADC->ADC_ISR & 0x02) == 0);
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values[i + 1000] = ADC->ADC_CDR[1]; //get values
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}
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for (int i = 0; i < 1000; i++) {
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//Serial.println(i);
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//Serial.print(values[i]);
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histograma[int(values[i])]++;
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//Serial.print(" ");
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//Serial.println(values[i+1000]);
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histogramb[int(values[i + 1000])]++;
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}
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}
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for (int i = 0; i < 4096; i++) {
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Serial.print(hvset);
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Serial.print("; ");
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Serial.print(i);
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Serial.print("; ");
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Serial.print(histograma[i]);
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Serial.print("; ");
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Serial.println(histogramb[i]);
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}
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for (int i = 0; i < 4096; i++) {
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histograma[i] = 0;
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histogramb[i] = 0;
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}
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//Serial.println(cyclecounter);
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// delay(2000);
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// cyclecounter++;
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// for(int i=0;i<4096;i++) {
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// Serial.print(i);
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// Serial.print(" ");
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// Serial.print(histograma[i]);
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// Serial.print(" ");
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// Serial.println(histogramb[i]);
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//histogramb[i]=0;
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}
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}
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byte bitBang(byte _send) // This function is what bitbangs the data
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{
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//reception isn't implemented in this version.
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byte _receive = 0;
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digitalWrite(SS_pin, LOW); // SS 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(MOSI_pin, bitRead(_send, 7 - i)); // Set MOSI
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//delay(1);
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digitalWrite(SCK_pin, HIGH); // SCK high
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//bitWrite(_receive, i, digitalRead(MISO_pin)); // Capture MISO
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digitalWrite(SCK_pin, LOW); // SCK low
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//digitalWrite(MOSI_pin, LOW); // Set MOSI
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}
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digitalWrite(SS_pin, HIGH); // SS high again
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//return _receive; // Return the received data
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} |