trotFunky
4f33a98271
We want to check for new messages at the end of the loop, when all other events should have happenned. Handle the two supported messages there : tag info request and tag programming command. The timing might need some testing, hopefully it is short enough.
93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
#include <Arduino.h>
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#include "Pinout.h"
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#include "Com.h"
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#include "LCD.h"
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#include "RFID.h"
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#include "Speaker.h"
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__attribute__((noreturn)) int main() {
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pinMode(pin_DBG_LED_1, OUTPUT);
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pinMode(pin_DBG_LED_2, OUTPUT);
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pinMode(pin_Reg_en, OUTPUT);
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pinMode(pin_Audio_Amp_enable, OUTPUT);
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pinMode(pin_Audio_AMP_GAIN_EN, OUTPUT);
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pinMode(pin_NFC1_RST, OUTPUT);
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pinMode(pin_LCD_RST, OUTPUT);
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/* Preemptively disable what we can before the regulator is ON. */
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digitalWrite(pin_Audio_Amp_enable, LOW);
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digitalWrite(pin_NFC1_RST, LOW);
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digitalWrite(pin_LCD_RST, LOW);
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pinMode(pin_BAT_SNS, INPUT);
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/*
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* Voltage divider ratio is 1.5 and analog input has 10 significant bits,
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* which gives us 0-1023 <=> 0V-4.95V, so 650 is a measure of 3.14V.
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* This is quite low, but there's a voltage drop because of the diode, and
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* we don't want to be at the very end of the battery's charge anyway.
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* Let's be conservative.
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*/
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if (analogRead(pin_BAT_SNS) < 650) { /* TODO: Low battery handling */ }
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digitalWrite(pin_Reg_en, HIGH);
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/*
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* System is powered up after this point.
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*/
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Serial.begin(115200);
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Com::sendComment("System is powered up, running set-up.");
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RFID rfid;
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digitalWrite(pin_NFC1_RST, HIGH);
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rfid.init();
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if (!SD.begin(BUILTIN_SDCARD))
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Com::sendComment("Could not use the SD Card.");
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LCD lcd;
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digitalWrite(pin_LCD_RST, HIGH);
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lcd.init();
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/* Don't enable the amp here, only do it when playing to save some power. */
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Speaker::init();
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Speaker speaker;
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Com::sendComment("All modules initialized, entering main loop.");
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/* Main loop */
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while (true) {
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int8_t tagEvent;
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/* Display first, in case the RFID communication delays it too much. */
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lcd.checkAndDisplay();
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speaker.checkPlayingAndDisable();
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tagEvent = rfid.checkTags();
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if (tagEvent) {
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Com::sendFigUpdate(tagEvent);
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/* Currently, we only play effects when placing a new figurine. */
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if (!isIdGone(tagEvent)) {
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/* Start the audio first as WAV parsing might delay playback. */
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speaker.playNewSound(tagEvent);
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lcd.startNewAnim(tagEvent);
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}
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}
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Com::ReceivedMessage message = Com::receiveMessage();
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if (message == Com::TAG_INFO_REQUEST) {
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uint8_t tagCount = rfid.gatherTagInfo(Com::getTagRecords());
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Com::sendTagInfo(tagCount);
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} else if (message == Com::TAG_PROGRAMMING) {
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if (!rfid.programTag(Com::getTagRecords())) {
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Com::sendComment("Tag programming failed.");
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}
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}
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/* TODO: Drop delay, WFE+timer interrupt(s) ? */
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delay(25);
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}
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}
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