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// Produces a sawtooth on A0 and samples A1 and A3 into buffers via DMA

#include <Adafruit_ZeroDMA.h>
#include <wiring_private.h>  // for access to pinPeripheral

// Create buffers for DMAing data around -- the .dmabuffers section is supposed to
// optimize the memory location for the DMA controller
__attribute__ ((section(".dmabuffers"), used)) static uint16_t dac_buffer[4096], adc_buffer[2][4096];

void setup() {

branw

#pragma once

#include <utility>

namespace Detail {
    template<typename KeyTy, typename ValueTy>
    struct Element {
        using KeyType = KeyTy;
        using ValueType = ValueTy;
        using PairType = std::pair<KeyTy, ValueTy>;

branw

// FNV-1a hash with 64-bit output
size_t FNV1a(const uint8_t *data, size_t dataLen) {
    uint64_t hash = 14695981039346656037ull;
    for (size_t i = 0; i < dataLen; i++) {
        hash ^= data[i];
        hash *= 1099511628211ull;
    }
    return hash;
}

branw

import matplotlib.pyplot as plt
from datetime import datetime
import serial
import serial.tools.list_ports
import struct
import time
import math
import os

# COM port of Arduino Due; leave None for cross-platform auto-detection

branw

import matplotlib.pyplot as plt
from datetime import datetime
import numpy as np
import serial
import struct
import time
import math
import os

# Native USB port of Due (use Device Manager to find)

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#define VERSION_MAJOR 0
#define VERSION_MINOR 2

// 1.6 MHz is the max frequency of the DAC, so it's easiest
// just to scale everything off of it. 1 ADC channel runs at
// 41.25% (~660 kHz); 2 ADC channels run at 25% (400 kHz each)
const int freq = 1.6e6;

// Duration of a single chirp
const double chirp_duration = 15E-3;

branw

import matplotlib.pyplot as plt
from datetime import datetime
import numpy as np
import serial
import struct
import time
import math
import os

# Native USB port of Due (use Device Manager to find)

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def main():
    try:
        ptu = PTU(PTU_PORT)
    except serial.serialutil.SerialException:
        print(f'Could not connect to pan-tilt on port {PTU_PORT}')
        return
    
    # Open connection to device
    ser = serial.Serial(DUE_PORT)
    ser.setDTR(False)

branw

bool flash_read_unique_id(uint32_t *pul_data) {
  // Initialize the first EEFC bank in 128-bit mode with 4 wait states
  if (efc_init(EFC0, 0, 4)) {
    return false;
  }

  // Enter the unique identifier mode, copy it, and exit
  return !efc_perform_read_sequence(EFC0, EFC_FCMD_STUI, EFC_FCMD_SPUI, pul_data, 4);
}

branw

#include <Arduino.h>
#include <BasicStepperDriver.h>

// Accept a trigger of 's' over Serial1 or Serial2
#define USE_SERIAL_TRIGGER true

// Enable the motors only when they are being moved
#define DISABLE_MOTORS     false

const int EAR_LEFT_DIR = 48, EAR_LEFT_STEP = 46, EAR_LEFT_ENABLE = 62; // Z