82 lines
2.1 KiB
Text
82 lines
2.1 KiB
Text
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unsigned long start_time;
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unsigned long stop_time;
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unsigned long values[1000];
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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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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 HV:");
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sendValue = 0x50;
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Serial.println(sendValue);
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returnValue = bitBang(sendValue); // Transmit data
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}
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void loop() {
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unsigned int i;
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//reads in on channel 0
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start_time = micros();
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for(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]=ADC->ADC_CDR[1];//get values
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}
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stop_time = micros();
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Serial.print("Total time: ");
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Serial.println(stop_time-start_time);
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Serial.print("Average time per conversion: ");
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Serial.println((float)(stop_time-start_time)/1000);
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Serial.println("Values: ");
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for(i=0;i<1000;i++) {
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Serial.println(values[i]);
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}
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delay(2000);
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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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}
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