ESP32-PaxCounter/src/led.cpp
2022-10-31 18:44:04 +01:00

152 lines
3.9 KiB
C++

// Basic Config
#include "globals.h"
#include "led.h"
static led_states LEDState = LED_OFF; // LED state global for state machine
led_states previousLEDState =
LED_ON; // This will force LED to be off at boot since State is OFF
TaskHandle_t ledLoopTask;
uint32_t LEDColor = COLOR_NONE, LEDBlinkDuration = 0; // state machine variables
static unsigned long LEDBlinkStarted =
0; // When (in millis() led blink started)
#ifdef HAS_RGB_LED
CRGB leds[RGB_LED_COUNT];
#endif
void rgb_set_color(uint32_t color) {
#ifdef HAS_RGB_LED
for (int i = 0; i < RGB_LED_COUNT; i++)
leds[i] = CRGB(color);
FastLED.show();
#endif
}
void rgb_led_init(void) {
#ifdef HAS_RGB_LED
HAS_RGB_LED;
rgb_set_color(COLOR_NONE);
#endif
}
void switch_LED(led_states state) {
#if (HAS_LED != NOT_A_PIN)
if (state == LED_ON) {
// switch LED on
#ifdef LED_ACTIVE_LOW
digitalWrite(HAS_LED, LOW);
#else
digitalWrite(HAS_LED, HIGH);
#endif
} else if (state == LED_OFF) {
// switch LED off
#ifdef LED_ACTIVE_LOW
digitalWrite(HAS_LED, HIGH);
#else
digitalWrite(HAS_LED, LOW);
#endif
}
#endif
}
void switch_LED1(led_states state) {
#ifdef HAS_TWO_LED
if (state == LED_ON) {
// switch LED on
#ifdef LED1_ACTIVE_LOW
digitalWrite(HAS_TWO_LED, LOW);
#else
digitalWrite(HAS_TWO_LED, HIGH);
#endif
} else if (state == LED_OFF) {
// switch LED off
#ifdef LED1_ACTIVE_LOW
digitalWrite(HAS_TWO_LED, HIGH);
#else
digitalWrite(HAS_TWO_LED, LOW);
#endif
}
#endif // HAS_TWO_LED
}
#if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
void ledLoop(void *parameter) {
while (1) {
// Custom blink running always have priority other LoRaWAN led
// management
if (LEDBlinkStarted && LEDBlinkDuration) {
// Custom blink is finished, let this order, avoid millis() overflow
if ((long)(millis() - LEDBlinkStarted) >= LEDBlinkDuration) {
// Led becomes off, and stop blink
LEDState = LED_OFF;
LEDBlinkStarted = 0;
LEDBlinkDuration = 0;
LEDColor = COLOR_NONE;
} else {
// In case of LoRaWAN led management blinked off
LEDState = LED_ON;
}
// No custom blink, check LoRaWAN state
} else {
#if (HAS_LORA)
// LED indicators for viusalizing LoRaWAN state
if (LMIC.opmode & (OP_JOINING | OP_REJOIN)) {
LEDColor = COLOR_YELLOW;
// quick blink 20ms on each 1/5 second
LEDState =
((millis() % 200) < 20) ? LED_ON : LED_OFF; // TX data pending
} else if (LMIC.opmode & (OP_TXDATA | OP_TXRXPEND)) {
// select color to blink by message port
switch (LMIC.pendTxPort) {
case STATUSPORT:
LEDColor = COLOR_PINK;
break;
case CONFIGPORT:
LEDColor = COLOR_CYAN;
break;
default:
LEDColor = COLOR_BLUE;
break;
}
// small blink 10ms on each 1/2sec (not when joining)
LEDState = ((millis() % 500) < 10) ? LED_ON : LED_OFF;
// This should not happen so indicate a problem
} else if (LMIC.opmode &
((OP_TXDATA | OP_TXRXPEND | OP_JOINING | OP_REJOIN) == 0)) {
LEDColor = COLOR_RED;
// heartbeat long blink 200ms on each 2 seconds
LEDState = ((millis() % 2000) < 200) ? LED_ON : LED_OFF;
} else
#endif // HAS_LORA
{
// led off
LEDColor = COLOR_NONE;
LEDState = LED_OFF;
}
}
// led need to change state? avoid digitalWrite() for nothing
if (LEDState != previousLEDState) {
if (LEDState == LED_ON) {
rgb_set_color(LEDColor);
// if we have only single LED we use it to blink for status
#ifndef HAS_RGB_LED
switch_LED(LED_ON);
#endif
} else {
rgb_set_color(COLOR_NONE);
#ifndef HAS_RGB_LED
switch_LED(LED_OFF);
#endif
}
previousLEDState = LEDState;
}
// give yield to CPU
delay(5);
} // while(1)
}; // ledloop()
#endif // #if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)