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