133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
#include "pixel_stomp_mux.h"
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#include <Arduino.h>
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#define BMC_MUX_74HC165_DELAY 5
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PixelStompMux::PixelStompMux(uint8_t dat, uint8_t ld, uint8_t clk, uint8_t di)
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: pin_dat(dat), pin_ld(ld), pin_clk(clk), pin_di(di),
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last_button_state(0) {
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}
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void PixelStompMux::begin() {
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pinMode(pin_di, INPUT);
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pinMode(pin_clk, OUTPUT);
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pinMode(pin_ld, OUTPUT);
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digitalWrite(pin_clk, LOW);
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digitalWrite(pin_ld, HIGH);
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delay(100);
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FastLED.addLeds<WS2812, 9, GRB>(leds, NUM_LEDS);
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FastLED.setBrightness(128);
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fill_solid(leds, NUM_LEDS, CRGB::Black);
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FastLED.show();
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Serial.printf("[MUX] Init DAT=%d LD=%d CLK=%d DI=%d\n",
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pin_dat, pin_ld, pin_clk, pin_di);
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Serial.printf("[MUX] DI raw at init: %d\n", digitalRead(pin_di));
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}
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uint8_t PixelStompMux::read_buttons() {
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digitalWrite(pin_clk, LOW);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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digitalWrite(pin_ld, LOW);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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digitalWrite(pin_ld, HIGH);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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uint8_t data = 0;
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for (int i = 7; i >= 0; i--) {
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bitWrite(data, i, digitalRead(pin_di));
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digitalWrite(pin_clk, HIGH);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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digitalWrite(pin_clk, LOW);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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}
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last_button_state = data;
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return data;
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}
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bool PixelStompMux::is_button_pressed(uint8_t index) {
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if (index >= NUM_BUTTONS) return false;
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uint8_t state = read_buttons();
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return !(state & (1 << index));
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}
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void PixelStompMux::set_led_color(uint8_t index, uint8_t r, uint8_t g, uint8_t b) {
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if (index >= NUM_LEDS) return;
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leds[index] = CRGB(r, g, b);
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}
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void PixelStompMux::set_led_brightness(uint8_t brightness) {
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FastLED.setBrightness(brightness);
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}
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void PixelStompMux::clear_all() {
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fill_solid(leds, NUM_LEDS, CRGB::Black);
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FastLED.show();
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Serial.println("[MUX] LEDs cleared");
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}
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void PixelStompMux::show() {
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FastLED.show();
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}
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void PixelStompMux::dump() {
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uint8_t buttons = read_buttons();
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Serial.printf("[MUX] Buttons: 0x%02X (", buttons);
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for (int i = 7; i >= 0; i--) {
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Serial.print((buttons >> i) & 1);
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}
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Serial.println(")");
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for (int i = 0; i < NUM_BUTTONS; i++) {
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bool pressed = !(buttons & (1 << i));
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Serial.printf(" [%d] %s\n", i, pressed ? "PRESS" : "off");
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}
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}
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void PixelStompMux::probe() {
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Serial.println("[MUX] === Hardware Probe ===");
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for (int round = 0; round < 5; round++) {
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Serial.printf("--- Round %d ---\n", round);
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digitalWrite(pin_clk, LOW);
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digitalWrite(pin_ld, HIGH);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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Serial.printf(" Before latch: DI=%d\n", digitalRead(pin_di));
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digitalWrite(pin_ld, LOW);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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digitalWrite(pin_ld, HIGH);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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Serial.printf(" After latch: DI=%d\n", digitalRead(pin_di));
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for (int i = 0; i < 16; i++) {
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bool bit_val = digitalRead(pin_di);
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digitalWrite(pin_clk, HIGH);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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digitalWrite(pin_clk, LOW);
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delayMicroseconds(BMC_MUX_74HC165_DELAY);
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Serial.printf(" CLK %2d: DI=%d\n", i, bit_val);
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}
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delay(500);
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}
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Serial.println(" LED test: pixel 0 RED (max brightness)...");
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leds[0] = CRGB(255, 0, 0);
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FastLED.setBrightness(255);
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FastLED.show();
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delay(2000);
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leds[0] = CRGB::Black;
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FastLED.show();
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Serial.println("[MUX] === Probe Complete ===");
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}
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