Added demagnetization pulses

Added some demag pulses to demag the HV transformer whenever the single pulse is armed.

platformio.ini

@@ -15,4 +15,4 @@ framework = arduino
 monitor_speed = 115200
 lib_deps = 
 	paulstoffregen/Encoder@^1.4.1
-	C:\Users\Quinn\.platformio\lib\LiquidCrystal_I2C
+	marcoschwartz/LiquidCrystal_I2C@^1.1.4

src/main.cpp

@@ -10,66 +10,73 @@
 * D23 - Amplitude Encoder Input
 * D24 - Period Encoder Input
 * D25 - Period Encoder Input
-* D26 - Waveform Select Encoder
-* D27 - Waveform Select Encoder
-* D28 - Single pulse flag (LOW enables single pulse mode)
+* D26 - Nothing
+* D27 - Single pulse armed pin. toggles the armed state when it recieves a falling signal
+* D28 - Single pulse enable pin (A FALLING signal toggles single pulse mode)
 * D29 - Single pulse trigger. (LOW will cause the arduino to send 1 waveform pulse)
-* D30 - Slow pulse flag (LOW enables a pulse rate of 3 pulses/second)
+* 
+* D31 - Armed state indicator light output
+* D32 - Fired state indicator light output
+* D33 - Operates a relay which isolates the high voltage side of electronics from the electrodes
 */
 
 
+// Define pinouts
+#define waveform_pin DAC0
+#define amplitude_pin DAC1
+#define sync_pin 2
+#define single_pulse_arm_pin 27
+#define single_pulse_enable_pin 28
+#define single_pulse_trig_pin 29
+#define armed_indicator_pin 31
+#define fired_indicator_pin 32
+#define isolate_pin 33
+
+//Include necessary libraries
 #include <Arduino.h>
 #include <Encoder.h>
-#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
 
 
 //uncomment to enable serial output for debugging
-#define enable_serial_debug
+//#define enable_serial_debug
+//uncomment to enable lcd output
+#define enable_lcd
+
 /* Changes the number of array points to sample. If 1, it will sample every point. 
 *  If 2, it will sample every other point,. If four it will sample every 4 points, etc.
 */
 #define sample_resolution 4
 
-#define waveform_pin DAC0
-#define amplitude_pin DAC1
-#define sync_pin 2
-#define single_pulse_flag_pin 28
-#define single_pulse_trig_pin 29
-#define slow_pulse_flag_pin 30
-
 // Number of waveforms available. Change this if you add or remove waveforms
 #define waveform_num 4
 // Array of waveform arrays. Currently holds four waveforms with 600 samples each.
-int waveforms[waveform_num][600] = {
-  {2083,2075,2067,2059,2071,2086,2100,2115,2129,2135,2141,2147,2153,2176,2176,2176,2176,2188,2201,2215,2228,2242,2255,2269,2282,2294,2305,2340,2352,2363,2376,2389,2401,2414,2427,2440,2453,2466,2478,2491,2504,2522,2539,2557,2574,2586,2597,2609,2621,2633,2644,2656,2668,2679,2691,2703,2714,2726,2738,2749,2761,2777,2792,2808,2820,2831,2843,2855,2867,2878,2890,2902,2960,2972,2984,2996,3007,3019,3030,3042,3053,3065,3078,3092,3105,3118,3131,3145,3158,3171,3181,3192,3202,3212,3223,3233,3243,3254,3264,3288,3294,3299,3314,3329,3343,3358,3364,3370,3393,3405,3417,3428,3440,3440,3452,3463,3463,3463,3463,3472,3481,3489,3498,3498,3498,3498,3498,3498,3510,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3522,3516,3510,3510,3498,3493,3487,3475,3471,3467,3463,3451,3440,3428,3416,3408,3401,3358,3346,3323,3288,3276,3253,3229,3218,3195,3171,3148,3124,3083,3042,3025,3007,2978,2948,2931,2913,2872,2831,2750,2668,2645,2621,2586,2551,2480,2445,2328,2270,2247,2223,2184,2145,1989,1954,1931,1872,1866,1860,1849,1837,1802,1785,1767,1747,1728,1708,1673,1650,1626,1609,1591,1568,1533,1521,1474,1462,1451,1439,1381,1346,1310,1264,1229,1205,1176,1147,1135,1112,1088,1077,1065,1048,1030,983,966,948,928,909,889,866,849,831,819,808,796,784,761,749,714,702,691,679,667,655,650,644,626,608,597,591,585,574,562,550,539,503,492,480,468,456,445,433,433,433,433,433,421,421,418,416,413,410,410,410,410,407,404,401,398,398,398,398,398,398,398,398,398,398,398,404,410,415,421,425,429,433,439,445,451,456,458,461,463,466,468,476,483,491,496,501,505,510,515,523,530,538,544,550,556,562,574,585,587,590,592,595,597,609,620,623,626,629,632,638,644,644,655,661,667,673,679,687,694,702,720,737,755,772,796,819,843,866,892,919,945,971,1030,1053,1123,1147,1178,1209,1240,1310,1345,1381,1416,1445,1474,1509,1544,1580,1603,1619,1634,1650,1685,1720,1767,1872,1884,1895,1907,1942,1954,1966,2012,2030,2048,2129,2188,2258,2293,2352,2434,2463,2492,2609,2656,2726,2734,2742,2750,2820,2837,2854,2871,2888,2904,2921,2938,2955,2972,2996,3019,3048,3077,3083,3089,3101,3147,3159,3171,3183,3218,3230,3241,3288,3311,3319,3327,3335,3381,3399,3416,3440,3452,3463,3463,3463,3475,3475,3475,3487,3491,3494,3498,3498,3498,3498,3498,3498,3498,3498,3502,3506,3510,3510,3510,3510,3510,3510,3510,3510,3510,3510,3510,3510,3510,3510,3487,3487,3485,3482,3480,3477,3475,3463,3459,3456,3452,3446,3440,3432,3424,3416,3411,3405,3399,3393,3370,3346,3342,3339,3335,3323,3311,3299,3299,3299,3264,3259,3253,3247,3241,3235,3229,3218,3206,3200,3194,3188,3182,3177,3171,3163,3155,3147,3136,3112,3101,3089,3074,3060,3045,3030,2995,2990,2984,2972,2960,2948,2925,2919,2913,2890,2885,2881,2876,2872,2867,2861,2855,2831,2820,2808,2802,2796,2787,2779,2770,2761,2745,2730,2691,2679,2656,2650,2597,2574,2551,2528,2399,2393,2387,2375,2363,2352,2340,2328,2305,2282,2278,2274,2270,2258,2247,2235,2223,2212,2200,
-  },
-  {1637,1637,1637,4095,4086,4078,4069,4061,4052,4044,4035,4027,4018,4010,4001,3993,3985,3977,3968,3960,3952,3944,3936,3928,3920,3912,3903,3896,3888,3880,3872,3864,3856,3848,3840,3833,3825,3817,3810,3802,3794,3787,3779,3772,3764,3757,3749,3742,3734,3727,3720,3712,3705,3698,3690,3683,3676,3669,3662,3655,3647,3640,3633,3626,3619,3612,3605,3598,3591,3585,3578,3571,3564,3557,3551,3544,3537,3530,3524,3517,3510,3504,3497,3491,3484,3478,3471,3465,3458,3452,3446,3439,3433,3427,3420,3414,3408,3401,3395,3389,3383,3377,3371,3365,3358,3352,3346,3340,3334,3328,3322,3316,3311,3305,3299,3293,3287,3281,3276,3270,3264,3258,3253,3247,3241,3236,3230,3224,3219,3213,3208,3202,3197,3191,3186,3180,3175,3169,3164,3159,3153,3148,3143,3137,3132,3127,3121,3116,3111,3106,3101,3096,3090,3085,3080,3075,3070,3065,3060,3055,3050,3045,3040,3035,3030,3025,3020,3016,3011,3006,3001,2996,2991,2987,2982,2977,2972,2968,2963,2958,2954,2949,2945,2940,2935,2931,2926,2922,2917,2913,2908,2904,2899,2895,2890,2886,2882,2877,2873,2868,2864,2860,2855,2851,2847,2843,2838,2834,2830,2826,2822,2817,2813,2809,2805,2801,2797,2793,2789,2785,2781,2777,2773,2769,2765,2761,2757,2753,2749,2745,2741,2737,2733,2729,2725,2722,2718,2714,2710,2706,2703,2699,2695,2691,2688,2684,2680,2677,2673,2669,2666,2662,2659,2655,2651,2648,2644,2641,2637,2634,2630,2627,2623,2620,2616,2613,2609,2606,2603,2599,2596,2592,2589,2586,2582,2579,2576,2572,2569,2566,2563,2559,2556,2553,2550,2546,2543,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,1637,0,6,12,17,23,29,34,40,46,51,57,62,68,73,79,84,90,95,101,106,112,117,122,128,133,138,143,149,154,159,164,170,175,180,185,190,195,200,205,210,215,220,225,230,235,240,245,250,255,260,265,270,274,279,284,289,294,298,303,308,312,317,322,326,331,336,340,345,349,354,358,363,367,372,376,381,385,389,394,398,403,407,411,416,420,424,428,433,437,441,445,450,454,458,462,466,470,474,479,483,487,491,495,499,503,507,511,515,519,523,527,531,534,538,542,546,550,554,558,561,565,569,573,576,580,584,588,591,595,599,602,606,610,613,617,620,624,628,631,635,638,642,645,649,652,656,659,663,666,669,673,676,680,683,686,690,693,696,700,703,706,709,713,716,719,722,726,729,732,735,738,742,745,748,751,754,757,760,764,767,770,773,776,779,782,785,788,791,794,797,800,803,806,809,811,814,817,820,823,826,829,832,834,837,840,843,846,848,851,854,857,860,862,865,868,870,873,876,879,881,884,887,889,892,894,897,900,902,905,907,910,913,915,918,920,923,925,928,930,933,935,938,940,943,945,947,950,952,955,957,960,962,964,967,969,971,974,976,978,981,983,985,988,990,992,994,997,999,1001,1003,1006,1008,1010,1012,1015,1017,1019,1021,1023,1025,1028,1030,1032,1034,1637,
-  },
-  {2048,4093,4091,4088,4085,4083,4080,4077,4075,4072,4069,4066,4064,4061,4058,4055,4052,4050,4047,4044,4041,4038,4036,4033,4030,4027,4024,4021,4018,4015,4012,4009,4007,4004,4001,3998,3995,3992,3989,3986,3983,3980,3977,3973,3970,3967,3964,3961,3958,3955,3952,3949,3946,3942,3939,3936,3933,3930,3926,3923,3920,3917,3913,3910,3907,3904,3900,3897,3894,3890,3887,3884,3880,3877,3874,3870,3867,3863,3860,3856,3853,3850,3846,3843,3839,3836,3832,3829,3825,3821,3818,3814,3811,3807,3803,3800,3796,3792,3789,3785,3781,3778,3774,3770,3767,3763,3759,3755,3751,3748,3744,3740,3736,3732,3728,3725,3721,3717,3713,3709,3705,3701,3697,3693,3689,3685,3681,3677,3673,3669,3665,3661,3657,3652,3648,3644,3640,3636,3632,3627,3623,3619,3615,3610,3606,3602,3598,3593,3589,3585,3580,3576,3571,3567,3563,3558,3554,3549,3545,3540,3536,3531,3527,3522,3518,3513,3508,3504,3499,3494,3490,3485,3480,3476,3471,3466,3462,3457,3452,3447,3442,3437,3433,3428,3423,3418,3413,3408,3403,3398,3393,3388,3383,3378,3373,3368,3363,3358,3353,3348,3342,3337,3332,3327,3322,3316,3311,3306,3301,3295,3290,3285,3279,3274,3268,3263,3258,3252,3247,3241,3236,3230,3225,3219,3213,3208,3202,3197,3191,3185,3180,3174,3168,3162,3157,3151,3145,3139,3133,3127,3122,3116,3110,3104,3098,3092,3086,3080,3074,3068,3062,3055,3049,3043,3037,3031,3025,3018,3012,3006,3000,2993,2987,2981,2974,2968,2961,2955,2948,2942,2935,2929,2922,2916,2909,2903,2896,2889,2883,2876,2869,2862,2856,2849,2842,2835,2828,2821,2815,2808,2801,2794,2787,2780,2773,2766,2758,2751,2744,2737,2048,0,3,5,8,11,13,16,19,22,24,27,30,33,35,38,41,44,47,49,52,55,58,61,64,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123,126,129,132,135,138,142,145,148,151,154,157,161,164,167,170,173,177,180,183,186,190,193,196,200,203,206,210,213,216,220,223,227,230,233,237,240,244,247,251,254,258,261,265,268,272,276,279,283,286,290,294,297,301,305,308,312,316,319,323,327,331,334,338,342,346,350,353,357,361,365,369,373,377,381,384,388,392,396,400,404,408,412,416,420,425,429,433,437,441,445,449,453,458,462,466,470,474,479,483,487,491,496,500,504,509,513,518,522,526,531,535,540,544,549,553,558,562,567,571,576,580,585,590,594,599,604,608,613,618,622,627,632,637,641,646,651,656,661,666,670,675,680,685,690,695,700,705,710,715,720,725,730,735,741,746,751,756,761,766,772,777,782,787,793,798,803,809,814,819,825,830,836,841,847,852,858,863,869,874,880,885,891,897,902,908,914,919,925,931,937,943,948,954,960,966,972,978,984,990,996,1002,1008,1014,1020,1026,1032,1038,1044,1050,1056,1063,1069,1075,1081,1087,1094,1100,1106,1113,1119,1126,1132,1138,1145,1151,1158,1164,1171,1178,1184,1191,1197,1204,1211,1217,1224,1231,1238,1244,1251,1258,1265,1272,1279,1286,1293,1300,1307,1314,1321,1328,1335,1342,1349,2048,
-  },
-  {1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,2875,4095,4079,4062,4046,4030,4014,3999,3983,3967,3952,3937,3921,3906,3891,3876,3861,3846,3832,3817,3803,3788,3774,3760,3746,3732,3718,3704,3690,3677,3663,3650,3636,3623,3610,3597,3584,3571,3558,3545,3532,3520,3507,3495,3483,3470,3458,3446,3434,3422,3410,3399,3387,3375,3364,3352,3341,3329,3318,3307,3296,3285,3274,3263,3252,3242,3231,3220,3210,3199,3189,3179,3169,3158,3148,3138,3128,3118,3109,3099,3089,3079,3070,3060,3051,3041,3032,3023,3014,3005,2995,2986,2977,2969,2960,2951,2942,2934,2925,2916,2908,2899,2891,2883,2874,2866,2858,2850,2842,2834,2826,2818,2810,2802,2795,2787,2779,2772,2764,2757,2749,2742,2735,2727,2720,2713,2706,2699,2692,2685,2678,2671,2664,2657,2650,2644,2637,2630,2624,2617,2611,2604,2598,2591,2585,2579,2573,2566,2560,2554,2093,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,814,0,11,22,32,43,54,64,75,85,95,106,116,126,136,146,156,166,176,185,195,204,214,223,233,242,251,261,270,279,288,297,306,315,323,332,341,350,358,367,375,383,392,400,408,416,425,433,441,449,456,464,472,480,488,495,503,510,518,525,533,540,547,555,562,569,576,583,590,597,604,611,618,624,631,638,645,651,658,664,671,677,683,690,696,702,709,715,721,727,733,739,745,751,757,763,769,774,780,786,791,797,803,808,814,819,825,830,835,841,846,851,856,862,867,872,877,882,887,892,897,902,907,912,917,921,926,931,936,940,945,949,954,959,963,968,972,976,981,985,990,994,998,1002,1007,1011,1015,1019,1023,1027,1335,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,1638,
-  }
+int default_waveform[600] = {2048,4093,4091,4088,4085,4083,4080,4077,4075,4072,4069,4066,4064,4061,4058,4055,4052,4050,4047,4044,4041,4038,4036,4033,4030,4027,4024,4021,4018,4015,4012,4009,4007,4004,4001,3998,3995,3992,3989,3986,3983,3980,3977,3973,3970,3967,3964,3961,3958,3955,3952,3949,3946,3942,3939,3936,3933,3930,3926,3923,3920,3917,3913,3910,3907,3904,3900,3897,3894,3890,3887,3884,3880,3877,3874,3870,3867,3863,3860,3856,3853,3850,3846,3843,3839,3836,3832,3829,3825,3821,3818,3814,3811,3807,3803,3800,3796,3792,3789,3785,3781,3778,3774,3770,3767,3763,3759,3755,3751,3748,3744,3740,3736,3732,3728,3725,3721,3717,3713,3709,3705,3701,3697,3693,3689,3685,3681,3677,3673,3669,3665,3661,3657,3652,3648,3644,3640,3636,3632,3627,3623,3619,3615,3610,3606,3602,3598,3593,3589,3585,3580,3576,3571,3567,3563,3558,3554,3549,3545,3540,3536,3531,3527,3522,3518,3513,3508,3504,3499,3494,3490,3485,3480,3476,3471,3466,3462,3457,3452,3447,3442,3437,3433,3428,3423,3418,3413,3408,3403,3398,3393,3388,3383,3378,3373,3368,3363,3358,3353,3348,3342,3337,3332,3327,3322,3316,3311,3306,3301,3295,3290,3285,3279,3274,3268,3263,3258,3252,3247,3241,3236,3230,3225,3219,3213,3208,3202,3197,3191,3185,3180,3174,3168,3162,3157,3151,3145,3139,3133,3127,3122,3116,3110,3104,3098,3092,3086,3080,3074,3068,3062,3055,3049,3043,3037,3031,3025,3018,3012,3006,3000,2993,2987,2981,2974,2968,2961,2955,2948,2942,2935,2929,2922,2916,2909,2903,2896,2889,2883,2876,2869,2862,2856,2849,2842,2835,2828,2821,2815,2808,2801,2794,2787,2780,2773,2766,2758,2751,2744,2737,2048,0,3,5,8,11,13,16,19,22,24,27,30,33,35,38,41,44,47,49,52,55,58,61,64,66,69,72,75,78,81,84,87,90,93,96,99,102,105,108,111,114,117,120,123,126,129,132,135,138,142,145,148,151,154,157,161,164,167,170,173,177,180,183,186,190,193,196,200,203,206,210,213,216,220,223,227,230,233,237,240,244,247,251,254,258,261,265,268,272,276,279,283,286,290,294,297,301,305,308,312,316,319,323,327,331,334,338,342,346,350,353,357,361,365,369,373,377,381,384,388,392,396,400,404,408,412,416,420,425,429,433,437,441,445,449,453,458,462,466,470,474,479,483,487,491,496,500,504,509,513,518,522,526,531,535,540,544,549,553,558,562,567,571,576,580,585,590,594,599,604,608,613,618,622,627,632,637,641,646,651,656,661,666,670,675,680,685,690,695,700,705,710,715,720,725,730,735,741,746,751,756,761,766,772,777,782,787,793,798,803,809,814,819,825,830,836,841,847,852,858,863,869,874,880,885,891,897,902,908,914,919,925,931,937,943,948,954,960,966,972,978,984,990,996,1002,1008,1014,1020,1026,1032,1038,1044,1050,1056,1063,1069,1075,1081,1087,1094,1100,1106,1113,1119,1126,1132,1138,1145,1151,1158,1164,1171,1178,1184,1191,1197,1204,1211,1217,1224,1231,1238,1244,1251,1258,1265,1272,1279,1286,1293,1300,1307,1314,1321,1328,1335,1342,1349,2048
 };
 
 // A dynamic waveform that can change its values based on some scalar. This gets initialized at the start of the program
 int dynamic_waveform[600];
 
+//Waveform values
+float waveform_vals[] = {1,2,3,4,5,6,7,8,9,10};
+
 //Setup encoders and their corresponding variables
 Encoder amp_encoder(22, 23);
 long new_amp = 10;
 long old_amp = 10;
 Encoder period_encoder(24, 25);
-long new_period = 4;
-long old_period = 4;
-Encoder waveform_encoder(26, 27);
-long new_waveform = 2;
-long old_waveform = 2;
+long new_period = 10*sample_resolution;
+long old_period = 10*sample_resolution;
 
+//Create LCD object
+LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27, 16, 2);
 
-//Used to debounce the trigger input
-boolean has_single_pulsed = false;
-unsigned long deb_timer = 0;
-
+//Setup values for arming and firing system
+boolean single_fire_is_enabled = true; // is true when single fire mode is enabled
+boolean single_fire_is_disabled = false; // is false when single fire mode is disabled. Used to keep track of state changes
+boolean is_armed = false; // is true when single fire mode is armed
+unsigned long fire_debounce = 0; // A timer to debounce the firing pin
+unsigned long armed_debounce = 0; //A time to deboucne the arming pin
 
 
 /* Cycle through the waveform samples over a given period of time
@@ -103,40 +110,87 @@ void recalc_waveform(float percent_amplitude){
 
   // Scale the array and give it its new offset
   for(int i = 0; i < 600; i++){
-    dynamic_waveform[i] = (int)(waveforms[new_waveform][i]*amp_scalar + offset);
+    dynamic_waveform[i] = (int)(default_waveform[i]*amp_scalar + offset);
   }
 }
 
+//Changes the LCD screen to the continuous firing status screen
+void continuous_output_lcd(){
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("Period:");
+  lcd.print((float)(new_period)/sample_resolution);
+  lcd.setCursor(0, 1);
+  lcd.print("Amplitude:");
+  lcd.print(waveform_vals[new_amp-1]);
+}
 
+//Change the LCD screen to the single fire status screen
+void single_fire_lcd(){
+  lcd.clear();
+  lcd.setCursor(0,0);
+  lcd.print("Single Fire Mode");
+  lcd.setCursor(0,1);
+  lcd.print("Armed: ");
+  if(is_armed){
+    lcd.print("Yes");
+  }
+  else lcd.print("No");
+}
 
 void setup() {
-  //The sync pin can be run into an oscilliscope's trig channel to easiy find the waveform
-  pinMode(sync_pin, OUTPUT);
-  pinMode(single_pulse_flag_pin, INPUT_PULLUP);
-  pinMode(single_pulse_trig_pin, INPUT_PULLUP);
-  pinMode(slow_pulse_flag_pin, INPUT_PULLUP);
-
   //Change the resolution of the analog ourput to its maximum (12 bit res)
   analogWriteResolution(12);
+  //Immediately set the analog output to the mid point
+  analogWrite(waveform_pin, 2048);
+  //The sync pin can be run into an oscilliscope's trig channel to easiy find the waveform
+  pinMode(sync_pin, OUTPUT);
+  // Setup the rest of the IO pins
+  pinMode(single_pulse_enable_pin, INPUT_PULLUP);
+  pinMode(single_pulse_arm_pin, INPUT_PULLUP);
+  pinMode(single_pulse_trig_pin, INPUT_PULLUP);
+  pinMode(armed_indicator_pin, OUTPUT);
+  pinMode(fired_indicator_pin, OUTPUT);
+  pinMode(isolate_pin, OUTPUT);
+
+  // Set the indicator pins off (Inverted logic)
+  digitalWrite(armed_indicator_pin, HIGH);
+  digitalWrite(fired_indicator_pin, HIGH);
+  // Disconnect the electrodes
+  digitalWrite(isolate_pin, HIGH);
   
   // Initialize timers and encoders
   amp_encoder.write(new_amp*4);
-  period_encoder.write(new_period*4);
-  waveform_encoder.write(new_waveform*4);
+  period_encoder.write(new_period*4/sample_resolution);
+
+  // Check single pulse status
+  single_fire_is_enabled = !digitalRead(single_pulse_enable_pin);
+  single_fire_is_disabled = !single_fire_is_enabled;
 
   // Only executes this block of code if serial debug is enabled
   #ifdef enable_serial_debug
     Serial.begin(115200);
     Serial.print("Ampltidue: ");
-    Serial.println(new_amp*10);
+    Serial.println(waveform_vals[new_amp-1]);
     Serial.print("Period: ");
-    Serial.println(new_period);
-    Serial.print("Waveform #: ");
-    Serial.println(new_waveform);
+    Serial.println(new_period/sample_resolution);
   #endif
 
   // Loads currently selected waveform into the dynamic waveform
-  for(int i = 0; i < 600; i++) dynamic_waveform[i] = waveforms[new_waveform][i];
+  for(int i = 0; i < 600; i++) dynamic_waveform[i] = default_waveform[i];
+
+  //Init LCD
+  #ifdef enable_lcd
+    lcd.init();
+    lcd.backlight();
+    lcd.setCursor(0,0);
+    if(single_fire_is_enabled){
+      single_fire_lcd();
+    }
+    else{
+      continuous_output_lcd();
+    }
+  #endif
 }
 
 
@@ -145,14 +199,20 @@ void loop() {
   // Read in encoder values
   new_amp = amp_encoder.read()/4;
   new_period = period_encoder.read()/4;
-  new_waveform = waveform_encoder.read()/4;
+  new_period = new_period*sample_resolution;
 
   // Check to see if any of the encoder values have changed. If they have, update their values.
   //Handles ampltidue encoder
   if(new_amp != old_amp){
+
+    // This if statement stops the period from being changes if single fire mdoe is enabled
+    if(single_fire_is_enabled == true){
+      new_amp = old_amp;
+      amp_encoder.write(new_amp*4);
+    }
     // Make sure the value is within a valid range
     if(new_amp > 10){
-      //128 ampltidue steps should be enough granularity
+      //10 ampltidue steps should be enough granularity
       new_amp = 10;
       amp_encoder.write(new_amp*4);
     }
@@ -163,74 +223,142 @@ void loop() {
     old_amp = new_amp;
     //If serial is enabled, output some serial data
     #ifdef enable_serial_debug
-      Serial.print("Ampltidue (%): ");
-      Serial.println(new_amp*10);
+      Serial.print("Ampltidue: ");
+      Serial.println(waveform_vals[new_amp-1]);
     #endif
+
+    // If LCD output is enabled output to LCD
+    #ifdef enable_lcd
+      if(single_fire_is_enabled == false){
+        lcd.setCursor(10,1);
+        lcd.print(waveform_vals[new_amp-1]);
+      }
+    #endif
+
     recalc_waveform(new_amp);
   }
 
   //Handles period encoder
   if(new_period != old_period){
+    
+    // This if statement stops the period from being changes if single fire mdoe is enabled
+    if(single_fire_is_enabled == true){
+      new_period = old_period;
+      period_encoder.write(new_period);
+    }
+    else{
       // Make sure the value is within a valid range
-    if(new_period > 100){
-      new_period = 100;
-      period_encoder.write(new_period*4);
+      if(new_period > 20*sample_resolution){
+        new_period = 20*sample_resolution;
+        period_encoder.write(20*4);
       }
       //Anything less than three will cause errors
-    if(new_period < 4){
-      new_period = 4;
-      period_encoder.write(new_period*4);
+      if(new_period < sample_resolution){
+        new_period = sample_resolution;
+        period_encoder.write(sample_resolution);
       }
       old_period = new_period;
+    }
     //If serial is enabled, output some serial data
     #ifdef enable_serial_debug
       Serial.print("Period (ms): ");
       Serial.println((float)(new_period)/sample_resolution);
     #endif
+
+    // If LCD output is enabled output to LCD
+    #ifdef enable_lcd
+      if(single_fire_is_enabled == false){
+        lcd.setCursor(7,0);
+        lcd.print((float)(new_period)/sample_resolution);
+      }
+    #endif
   }
 
-  //Handles waveform encoder
-  if(new_waveform != old_waveform){
-    // Make sure the value is within a valid range
-    if(new_waveform > waveform_num-1){
-      new_waveform = waveform_num-1;
-      waveform_encoder.write(new_waveform*4);
-    }
-    if(new_waveform < 0){
-      new_waveform = 0;
-      waveform_encoder.write(new_waveform*4);
-    }
-    old_waveform = new_waveform;
-    // If serial is enabled, output some serial data
-    #ifdef enable_serial_debug
-      Serial.print("Waveform #: ");
-      Serial.println(new_waveform);
-    #endif
-    recalc_waveform(1);
-  }
 
   // Creates a synch signal so an oscilliscope can more easily read irregular pulses
   digitalWrite(sync_pin, !digitalRead(sync_pin));
 
-  // Check to see if the single pulse pin has been pulled LOW
-  if(!digitalRead(single_pulse_flag_pin)){
-    if(deb_timer-millis() > 100){
-      if(!digitalRead(single_pulse_trig_pin) && has_single_pulsed == false){
-        generate_waveform(1);
-        has_single_pulsed = true;
-        deb_timer = millis();
-      }
-      else if(digitalRead(single_pulse_trig_pin)) {
-        has_single_pulsed = false;
-        deb_timer = millis();
+  //Reads the state of the single pulse enable pin
+  single_fire_is_enabled = !digitalRead(single_pulse_enable_pin);
+
+
+
+  //Check to see if the single fire state has changed
+  #ifdef enable_lcd
+    if(single_fire_is_enabled == single_fire_is_disabled){
+      if(single_fire_is_enabled){
+        single_fire_lcd();
       }
+      else{
+        continuous_output_lcd();
+        is_armed = false;
+        digitalWrite(armed_indicator_pin, HIGH);
+        digitalWrite(isolate_pin, HIGH);
       }
       
     }
-  else{
-    generate_waveform(4);
-    // Slows down the output pulse if the slow pulse pin is pulled LOW
-    if(!digitalRead(slow_pulse_flag_pin)) delay(500);
+  #endif
+  single_fire_is_disabled = !single_fire_is_enabled;
+
+  // Check to see if the single pulse pin has been pulled LOW
+  if(single_fire_is_enabled){
+
+    //Heavy-duty debounce routine for arming pin
+    if(!digitalRead(single_pulse_arm_pin)){
+      // Reset the debounce timer
+      if(millis()-armed_debounce > 3000) armed_debounce = millis();
+
+      //Once the debounce timer reaches 250ms toggle the armed state.
+      if(millis()-armed_debounce > 200 && millis()-armed_debounce < 300){
+        // Toggle the armed state
+        is_armed = !is_armed;
+        // Output the armed state to the lcd
+        lcd.setCursor(7,1);
+        if(is_armed){
+          lcd.print("Yes");
+          // send a bunch of pulses to demagnetize the HV transformer before arming
+          for(int i = 0; i < 10; i++){
+            generate_waveform(sample_resolution);
+          }
+        }
+        else lcd.print("No ");
+        //Output the armed state to the arm pin and isolate pin
+        digitalWrite(armed_indicator_pin, !is_armed);
+        digitalWrite(isolate_pin, !is_armed);
+        //Set the timer so this if statement doesn't run again
+        armed_debounce = millis()-301;
+      }
+    }
+
+    // Heavy duty debounce routine for firing pin
+    if(!digitalRead(single_pulse_trig_pin) && is_armed){
+      // Reset the debounce timer
+      if(millis()-fire_debounce > 2500) fire_debounce = millis();
+
+      //Once the debounce timer reaches 250ms toggle the armed state.
+      if(millis()-fire_debounce > 200 && millis()-fire_debounce < 300){
+        
+        digitalWrite(fired_indicator_pin, LOW);
+        //Send out pulse
+        generate_waveform(sample_resolution);
+        // Toggle the armed state
+        is_armed = false;
+        // Output the armed state to the lcd
+        lcd.setCursor(7,1);
+        lcd.print("No ");
+        //Output the state to the indicator lights and turn off the isolate relay
+        digitalWrite(armed_indicator_pin, HIGH);
+        digitalWrite(isolate_pin, HIGH);
+        //Set the timer so this if statement doesn't run again
+        fire_debounce = millis()-301;
+        armed_debounce = millis();
+      }
+    }
+
+    // Turn off the fire indicator pin after a half of a second
+    if(millis()-fire_debounce>300+500){
+        digitalWrite(fired_indicator_pin, HIGH);
+    }
   }
 
 }