#!/usr/bin/python3

from ABE_ADCDACPi import ADCDACPi
import time
import math

"""
================================================
ABElectronics ADCDAC Pi 2-Channel ADC, 2-Channel DAC | DAC sine wave generator demo
Version 1.0 Created 29/02/2015

run with: python3 demo-dacsinewave.py
================================================

# this demo uses the set_dac_raw method to generate a sine wave from a
# predefined set of values
"""

adcdac = ADCDACPi()

DACLookup_FullSine_12Bit = \
    [2048, 2073, 2098, 2123, 2148, 2174, 2199, 2224,
     2249, 2274, 2299, 2324, 2349, 2373, 2398, 2423,
     2448, 2472, 2497, 2521, 2546, 2570, 2594, 2618,
     2643, 2667, 2690, 2714, 2738, 2762, 2785, 2808,
     2832, 2855, 2878, 2901, 2924, 2946, 2969, 2991,
     3013, 3036, 3057, 3079, 3101, 3122, 3144, 3165,
     3186, 3207, 3227, 3248, 3268, 3288, 3308, 3328,
     3347, 3367, 3386, 3405, 3423, 3442, 3460, 3478,
     3496, 3514, 3531, 3548, 3565, 3582, 3599, 3615,
     3631, 3647, 3663, 3678, 3693, 3708, 3722, 3737,
     3751, 3765, 3778, 3792, 3805, 3817, 3830, 3842,
     3854, 3866, 3877, 3888, 3899, 3910, 3920, 3930,
     3940, 3950, 3959, 3968, 3976, 3985, 3993, 4000,
     4008, 4015, 4022, 4028, 4035, 4041, 4046, 4052,
     4057, 4061, 4066, 4070, 4074, 4077, 4081, 4084,
     4086, 4088, 4090, 4092, 4094, 4095, 4095, 4095,
     4095, 4095, 4095, 4095, 4094, 4092, 4090, 4088,
     4086, 4084, 4081, 4077, 4074, 4070, 4066, 4061,
     4057, 4052, 4046, 4041, 4035, 4028, 4022, 4015,
     4008, 4000, 3993, 3985, 3976, 3968, 3959, 3950,
     3940, 3930, 3920, 3910, 3899, 3888, 3877, 3866,
     3854, 3842, 3830, 3817, 3805, 3792, 3778, 3765,
     3751, 3737, 3722, 3708, 3693, 3678, 3663, 3647,
     3631, 3615, 3599, 3582, 3565, 3548, 3531, 3514,
     3496, 3478, 3460, 3442, 3423, 3405, 3386, 3367,
     3347, 3328, 3308, 3288, 3268, 3248, 3227, 3207,
     3186, 3165, 3144, 3122, 3101, 3079, 3057, 3036,
     3013, 2991, 2969, 2946, 2924, 2901, 2878, 2855,
     2832, 2808, 2785, 2762, 2738, 2714, 2690, 2667,
     2643, 2618, 2594, 2570, 2546, 2521, 2497, 2472,
     2448, 2423, 2398, 2373, 2349, 2324, 2299, 2274,
     2249, 2224, 2199, 2174, 2148, 2123, 2098, 2073,
     2048, 2023, 1998, 1973, 1948, 1922, 1897, 1872,
     1847, 1822, 1797, 1772, 1747, 1723, 1698, 1673,
     1648, 1624, 1599, 1575, 1550, 1526, 1502, 1478,
     1453, 1429, 1406, 1382, 1358, 1334, 1311, 1288,
     1264, 1241, 1218, 1195, 1172, 1150, 1127, 1105,
     1083, 1060, 1039, 1017, 995, 974, 952, 931,
     910, 889, 869, 848, 828, 808, 788, 768,
     749, 729, 710, 691, 673, 654, 636, 618,
     600, 582, 565, 548, 531, 514, 497, 481,
     465, 449, 433, 418, 403, 388, 374, 359,
     345, 331, 318, 304, 291, 279, 266, 254,
     242, 230, 219, 208, 197, 186, 176, 166,
     156, 146, 137, 128, 120, 111, 103, 96,
     88, 81, 74, 68, 61, 55, 50, 44,
     39, 35, 30, 26, 22, 19, 15, 12,
     10, 8, 6, 4, 2, 1, 1, 0,
     0, 0, 1, 1, 2, 4, 6, 8,
     10, 12, 15, 19, 22, 26, 30, 35,
     39, 44, 50, 55, 61, 68, 74, 81,
     88, 96, 103, 111, 120, 128, 137, 146,
     156, 166, 176, 186, 197, 208, 219, 230,
     242, 254, 266, 279, 291, 304, 318, 331,
     345, 359, 374, 388, 403, 418, 433, 449,
     465, 481, 497, 514, 531, 548, 565, 582,
     600, 618, 636, 654, 673, 691, 710, 729,
     749, 768, 788, 808, 828, 848, 869, 889,
     910, 931, 952, 974, 995, 1017, 1039, 1060,
     1083, 1105, 1127, 1150, 1172, 1195, 1218, 1241,
     1264, 1288, 1311, 1334, 1358, 1382, 1406, 1429,
     1453, 1478, 1502, 1526, 1550, 1575, 1599, 1624,
     1648, 1673, 1698, 1723, 1747, 1772, 1797, 1822,
     1847, 1872, 1897, 1922, 1948, 1973, 1998, 2023]

while True:
    for val in DACLookup_FullSine_12Bit:
        adcdac.set_dac_raw(1, val)
