117 lines
2.5 KiB
Arduino
117 lines
2.5 KiB
Arduino
#include <WiFi.h>
|
|
#include <esp_wifi.h>
|
|
#include <esp_now.h>
|
|
|
|
const int camPin = 16; // Any GPIO pin
|
|
const int pressTime = 250; // 0.25s HIGH pulse
|
|
const int gapTime = 250; // Gap between pulses for double press
|
|
|
|
void doSinglePress() {
|
|
digitalWrite(camPin, HIGH);
|
|
delay(pressTime);
|
|
digitalWrite(camPin, LOW);
|
|
}
|
|
|
|
void doDoublePress() {
|
|
doSinglePress();
|
|
delay(gapTime);
|
|
doSinglePress();
|
|
}
|
|
|
|
// Must match the sender struct exactly
|
|
typedef struct struct_message_send {
|
|
int boardID;
|
|
bool buttonSTART;
|
|
bool buttonSTARTforced;
|
|
bool buttonPAUSE;
|
|
bool buttonPIT;
|
|
bool buttonPIThold;
|
|
bool buttonRESET;
|
|
bool buttonREDTEAM;
|
|
bool buttonREDTEAMtapout;
|
|
bool buttonBLUETEAM;
|
|
bool buttonBLUETEAMtapout;
|
|
} struct_message_send;
|
|
|
|
struct_message_send incoming;
|
|
|
|
// Recording state variable
|
|
bool RECORDING = false;
|
|
bool lastRECORDING = false; // for change detection
|
|
|
|
// LED blink timing
|
|
unsigned long lastBlink = 0;
|
|
bool ledState = false;
|
|
|
|
// ESP-NOW receive callback
|
|
void onDataRecv(const esp_now_recv_info *info, const uint8_t *data, int len) {
|
|
if (len != sizeof(incoming)) return;
|
|
|
|
memcpy(&incoming, data, sizeof(incoming));
|
|
|
|
// Only accept packets from boardID 0 (referee remote)
|
|
if (incoming.boardID != 0) return;
|
|
|
|
// START or STARTforced → RECORDING = true
|
|
if (incoming.buttonSTART || incoming.buttonSTARTforced) {
|
|
RECORDING = true;
|
|
}
|
|
|
|
// RESET → RECORDING = false
|
|
if (incoming.buttonRESET) {
|
|
RECORDING = false;
|
|
}
|
|
}
|
|
|
|
void setup() {
|
|
pinMode(camPin, OUTPUT);
|
|
digitalWrite(camPin, LOW); // Idle state
|
|
|
|
Serial.begin(115200);
|
|
delay(200);
|
|
|
|
Serial.println("Extra Receiver Ready");
|
|
|
|
pinMode(LED_BUILTIN, OUTPUT);
|
|
digitalWrite(LED_BUILTIN, LOW);
|
|
|
|
WiFi.mode(WIFI_STA);
|
|
WiFi.setSleep(false);
|
|
|
|
if (esp_now_init() != ESP_OK) {
|
|
Serial.println("ESP-NOW init failed!");
|
|
return;
|
|
}
|
|
|
|
esp_now_register_recv_cb(onDataRecv);
|
|
}
|
|
|
|
void loop() {
|
|
// Detect changes in RECORDING state
|
|
if (RECORDING != lastRECORDING) {
|
|
|
|
// Debug print
|
|
Serial.print("RECORDING state changed: ");
|
|
Serial.println(RECORDING ? "TRUE" : "FALSE");
|
|
|
|
// Trigger camera once on state change
|
|
doSinglePress();
|
|
|
|
lastRECORDING = RECORDING;
|
|
}
|
|
|
|
// Non-blocking LED blink when RECORDING = true
|
|
if (RECORDING) {
|
|
unsigned long now = millis();
|
|
if (now - lastBlink >= 1000) { // blink every 1s
|
|
lastBlink = now;
|
|
ledState = !ledState;
|
|
digitalWrite(LED_BUILTIN, ledState);
|
|
}
|
|
} else {
|
|
// Ensure LED is off when not recording
|
|
digitalWrite(LED_BUILTIN, LOW);
|
|
ledState = false;
|
|
}
|
|
}
|