OnirismCorporation/DIY-Taiko-Drum-Controller
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Minor refactor and cleanup

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This commit is contained in:
Xun Zhang 2024-01-02 14:02:22 -08:00
parent b972a8bab6
commit e0a761a184
3 changed files with 130 additions and 36 deletions
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56
ESP32/ESP32.ino
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@ -1,9 +1,43 @@
#define CHANNELS 4
#define SAMPLE_CACHE_LENGTH 16 // Must be power of 2 (8, 16, etc.); See cache.h for implementation
#define HIT_THRES 750 // The thresholds are also dependent on SAMPLE_CACHE_LENGTH, if you
#define RESET_THRES 100 // changed SAMPLE_CACHE_LENGTH, you must also adjust thresholds
#define SAMPLING_PERIOD 500 // Sampling period in microseconds, 500us = 0.5ms = 2000Hz
// SAMPLE_CACHE_LENGTH must be power of 2 (8, 16, 32, etc.)
// See cache.h for implementation
#define SAMPLE_CACHE_LENGTH 16
// The thresholds are also dependent on SAMPLE_CACHE_LENGTH, if you
// changed SAMPLE_CACHE_LENGTH, you should also adjust thresholds
#define HIT_THRES 750
#define RESET_THRES 200
// Sampling period in μs, e.g., 500μs = 0.5ms = 2000Hz
#define SAMPLING_PERIOD 500
// Sensitivity multipliers for each channel, 1.0 as the baseline
#define L_DON_SENS 1.0
#define L_KAT_SENS 1.0
#define R_DON_SENS 1.0
#define R_KAT_SENS 1.0
// Input pins for each channel
#define L_DON_IN 36
#define L_KAT_IN 39
#define R_DON_IN 34
#define R_KAT_IN 35
// Output LED pins for each channel (just for visualization)
#define L_DON_LED 25
#define L_KAT_LED 26
#define R_DON_LED 27
#define R_KAT_LED 14
// Keyboard output for each channel
#define L_DON_KEY 'f'
#define L_KAT_KEY 'd'
#define R_DON_KEY 'j'
#define R_KAT_KEY 'k'
// Enable debug mode to view analog input values from the Serial
// Enabling this also disables the keyboard simulation
#define DEBUG 0
#include "cache.h"
@ -16,11 +50,10 @@ unsigned long lastPower[CHANNELS];
bool triggered;
unsigned long triggeredTime[CHANNELS];
const byte inPins[] = {36, 39, 34, 35}; // L don, L kat, R don, R kat
const byte outPins[] = {25, 26, 27, 14}; // LED visualization (optional)
const char outKeys[] = {'f', 'd', 'j', 'k'}; // L don, L kat, R don, R kat
float sensitivity[] = {1.0, 1.0, 1.0, 1.0};
const byte inPins[] = {L_DON_IN, L_KAT_IN, R_DON_IN, R_KAT_IN};
const byte outPins[] = {L_DON_LED, L_KAT_LED, R_DON_LED, R_KAT_LED};
const char outKeys[] = {L_DON_KEY, L_KAT_KEY, R_DON_KEY, R_KAT_KEY};
float sensitivities[] = {L_DON_SENS, L_KAT_SENS, R_DON_SENS, R_KAT_SENS};
short maxIndex;
float maxPower;
@ -43,7 +76,6 @@ void setup() {
}
void loop() {
if (maxIndex != -1 && lastPower[maxIndex] < RESET_THRES) {
triggered = false;
digitalWrite(outPins[maxIndex], LOW);
@ -52,9 +84,9 @@ void loop() {
}
for (byte i = 0; i < CHANNELS; i++) {
inputWindow[i].put(analogRead(inPins[i]));
power[i] = sensitivity[i] * (power[i] - inputWindow[i].get(1) + inputWindow[i].get());
power[i] = sensitivities[i] *
(power[i] - inputWindow[i].get(1) + inputWindow[i].get());
if (lastPower[i] > maxPower && power[i] < lastPower[i]) {
maxPower = lastPower[i];