Implement Ad Hoc Sending on Button Press
Added MH-Z19C Calibration
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cf71223c30
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2 changed files with 56 additions and 4 deletions
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@ -13,6 +13,11 @@
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// #define WS2812B_NUM 2
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// #define WS2812B_BRIGHT 32
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// Enable Sending on Button Press, as well as Calibration by Pressing Button for 4s with MH-Z19C Addon
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// The Button has to be connected to a pin that is capable of Fully Asynchronus Interrupts.
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// For The ATTNode this means Pin PC2 if you don't want to block any other Interfaces
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// #define BTN_PIN PIN_PC2
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// Enable Serial Debugging. Parameters for the Serial Port are 115200
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// Please be aware that the SG112A/B CO2 Sensor uses the HW-UART, so
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// Serial Debug Output is not available with this Sensor.
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55
src/main.cpp
55
src/main.cpp
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@ -94,6 +94,18 @@ const int disabledPins[] = {PIN_PB5, PIN_PB4, PIN_PB1, PIN_PB0, PIN_PC3, PIN_PC2
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const int disabledPins[] = {PIN_PB5, PIN_PB4, PIN_PB3, PIN_PB2, PIN_PB1, PIN_PB0, PIN_PC3, PIN_PC2, PIN_PC1, PIN_PC0};
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#endif
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#ifdef BTN_PIN
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volatile bool btn_pressed = 0;
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volatile unsigned long btn_millis = 0;
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// ISR Routine for Button
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void btn_press() {
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btn_pressed = 1;
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btn_millis = millis();
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delayMicroseconds(250000);
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}
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#endif
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// ISR Routine for Sleep
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ISR(RTC_PIT_vect)
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{
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@ -143,8 +155,18 @@ void onEvent(ev_t ev) {
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// Got to sleep for specified Time
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DEBUG_PRINTLN("Going to Sleep");
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for (uint16_t i = 0; i < sleep_time*2; i++)
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sleep_32s();
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for (uint16_t i = 0; i < sleep_time*2; i++) {
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#ifdef BTN_PIN
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if (btn_pressed) {
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i = sleep_time*2;
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btn_pressed = 0;
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} else {
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#endif
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sleep_32s();
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#ifdef BTN_PIN
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}
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#endif
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}
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// Schedule Next Transmit
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do_send(&sendjob);
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@ -231,6 +253,11 @@ void setup()
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leds.setBrightness(WS2812B_BRIGHT);
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#endif
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#ifdef BTN_PIN
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pinMode(BTN_PIN, INPUT_PULLUP);
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attachInterrupt(digitalPinToInterrupt(BTN_PIN), btn_press, FALLING);
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#endif
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// Set RTC
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while (RTC.STATUS > 0) {}
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RTC.CLKSEL = RTC_CLKSEL_INT1K_gc;
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@ -272,6 +299,26 @@ void setup()
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void loop()
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{
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// Only Run the LMIC loop here. Actual Sending Code is in do_send()
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os_runloop_once();
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#if defined HAS_MHZ19C && defined BTN_PIN
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if (digitalRead(BTN_PIN) == LOW) {
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// Press Button longer than 4 Seconds -> Start MH-Z19C Calibration Routine
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unsigned long loop_millis = millis();
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if ((unsigned long)(loop_millis - btn_millis) >= 4000) {
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WS2812B_SETLED(1,153,0,153);
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pinMode(PIN_PB4, OUTPUT);
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digitalWrite(PIN_PB4, LOW);
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delay(7500);
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digitalWrite(PIN_PB4, HIGH);
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pinMode(PIN_PB4, INPUT_PULLUP);
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WS2812B_SETLED(1,0,0,0);
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} else {
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delay(500);
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}
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} else {
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#endif
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// Only Run the LMIC loop here. Actual Sending Code is in do_send()
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os_runloop_once();
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#if defined HAS_MHZ19C && defined BTN_PIN
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}
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#endif
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}
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