364 lines
9.7 KiB
C++
364 lines
9.7 KiB
C++
#ifdef HAS_DISPLAY
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/*
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Display-Mask (128 x 64 pixel):
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| 111111
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|0123456789012345
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------------------
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0|PAX:aabbccddee
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1|PAX:aabbccddee
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2|B:a.bcV Sats:ab
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3|BLTH:abcde SF:ab
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4|WIFI:abcde ch:ab
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5|RLIM:abcd abcdKB
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6|xxxxxxxxxxxxxxxx
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6|20:27:00* 27.Feb
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7|yyyyyyyyyyyyyyab
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line 6: x = Text for LORA status OR time/date
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line 7: y = Text for LMIC status; ab = payload queue
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*/
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// Basic Config
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#include "globals.h"
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#include <esp_spi_flash.h> // needed for reading ESP32 chip attributes
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#define DISPLAY_PAGES (4) // number of display pages
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HAS_DISPLAY u8x8(MY_OLED_RST, MY_OLED_SCL, MY_OLED_SDA);
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// helper string for converting LoRa spread factor values
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#if defined(CFG_eu868)
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const char lora_datarate[] = {"1211100908077BFSNA"};
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#elif defined(CFG_us915)
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const char lora_datarate[] = {"100908078CNA121110090807"};
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#elif defined(CFG_as923)
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const char lora_datarate[] = {"1211100908077BFSNA"};
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#elif defined(CFG_au921)
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const char lora_datarate[] = {"1211100908078CNA1211109C8C7C"};
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#elif defined(CFG_in866)
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const char lora_datarate[] = {"121110090807FSNA"};
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#endif
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// helper arry for converting month values to text
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const char *printmonth[] = {"xxx", "Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
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uint8_t DisplayIsOn = 0;
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// helper function, prints a hex key on display
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void DisplayKey(const uint8_t *key, uint8_t len, bool lsb) {
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const uint8_t *p;
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for (uint8_t i = 0; i < len; i++) {
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p = lsb ? key + len - i - 1 : key + i;
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u8x8.printf("%02X", *p);
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}
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u8x8.printf("\n");
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}
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void init_display(const char *Productname, const char *Version) {
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// block i2c bus access
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if (I2C_MUTEX_LOCK()) {
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// show startup screen
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uint8_t buf[32];
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u8x8.begin();
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u8x8.setFont(u8x8_font_chroma48medium8_r);
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u8x8.clear();
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u8x8.setFlipMode(0);
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u8x8.setInverseFont(1);
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u8x8.draw2x2String(0, 0, Productname);
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u8x8.setInverseFont(0);
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u8x8.draw2x2String(2, 2, Productname);
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delay(500);
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u8x8.clear();
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u8x8.setFlipMode(1);
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u8x8.setInverseFont(1);
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u8x8.draw2x2String(0, 0, Productname);
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u8x8.setInverseFont(0);
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u8x8.draw2x2String(2, 2, Productname);
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delay(500);
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u8x8.setFlipMode(0);
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u8x8.clear();
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#ifdef DISPLAY_FLIP
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u8x8.setFlipMode(1);
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#endif
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// Display chip information
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#if (VERBOSE)
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esp_chip_info_t chip_info;
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esp_chip_info(&chip_info);
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u8x8.printf("ESP32 %d cores\nWiFi%s%s\n", chip_info.cores,
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(chip_info.features & CHIP_FEATURE_BT) ? "/BT" : "",
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(chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : "");
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u8x8.printf("ESP Rev.%d\n", chip_info.revision);
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u8x8.printf("%dMB %s Flash\n", spi_flash_get_chip_size() / (1024 * 1024),
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(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "int."
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: "ext.");
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#endif // VERBOSE
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u8x8.print(Productname);
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u8x8.print(" v");
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u8x8.println(PROGVERSION);
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#if (HAS_LORA)
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u8x8.println("DEVEUI:");
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os_getDevEui((u1_t *)buf);
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DisplayKey(buf, 8, true);
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delay(3000);
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#endif // HAS_LORA
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u8x8.clear();
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u8x8.setPowerSave(!cfg.screenon); // set display off if disabled
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u8x8.draw2x2String(0, 0, "PAX:0");
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#if (BLECOUNTER)
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u8x8.setCursor(0, 3);
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u8x8.printf("BLTH:0");
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#endif
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u8x8.setCursor(0, 4);
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u8x8.printf("WIFI:0");
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u8x8.setCursor(0, 5);
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u8x8.printf(!cfg.rssilimit ? "RLIM:off " : "RLIM:%d", cfg.rssilimit);
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I2C_MUTEX_UNLOCK(); // release i2c bus access
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} // mutex
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} // init_display
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void refreshTheDisplay(bool nextPage) {
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static uint8_t DisplayPage = 0;
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// if display is switched off we don't refresh it to relax cpu
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if (!DisplayIsOn && (DisplayIsOn == cfg.screenon))
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return;
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const time_t t =
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myTZ.toLocal(now()); // note: call now() here *before* locking mutex!
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// block i2c bus access
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if (I2C_MUTEX_LOCK()) {
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// set display on/off according to current device configuration
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if (DisplayIsOn != cfg.screenon) {
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DisplayIsOn = cfg.screenon;
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u8x8.setPowerSave(!cfg.screenon);
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}
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if (nextPage) {
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DisplayPage = (DisplayPage >= DISPLAY_PAGES - 1) ? 0 : (DisplayPage + 1);
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u8x8.clear();
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}
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draw_page(t, DisplayPage);
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I2C_MUTEX_UNLOCK(); // release i2c bus access
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} // mutex
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} // refreshDisplay()
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void draw_page(time_t t, uint8_t page) {
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char timeState, buff[16];
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uint8_t msgWaiting;
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static bool wasnofix = true;
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// update counter (lines 0-1)
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snprintf(
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buff, sizeof(buff), "PAX:%-4d",
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(int)macs.size()); // convert 16-bit MAC counter to decimal counter value
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u8x8.draw2x2String(0, 0,
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buff); // display number on unique macs total Wifi + BLE
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switch (page % DISPLAY_PAGES) {
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// page 0: parameters overview
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// page 1: time
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// page 2: GPS
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// page 3: BME280/680
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case 0:
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// update Battery status (line 2)
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#ifdef BAT_MEASURE_ADC
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u8x8.setCursor(0, 2);
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u8x8.printf("B:%.2fV", batt_voltage / 1000.0);
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#endif
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// update GPS status (line 2)
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#if (HAS_GPS)
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// have we ever got valid gps data?
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if (gps.passedChecksum() > 0) {
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u8x8.setCursor(9, 2);
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if (!gps.location.isValid()) // if no fix then display Sats value inverse
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{
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u8x8.setInverseFont(1);
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u8x8.printf("Sats:%.2d", gps.satellites.value());
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u8x8.setInverseFont(0);
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} else
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u8x8.printf("Sats:%.2d", gps.satellites.value());
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}
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#endif
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// update bluetooth counter + LoRa SF (line 3)
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#if (BLECOUNTER)
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u8x8.setCursor(0, 3);
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if (cfg.blescan)
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u8x8.printf("BLTH:%-5d", macs_ble);
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else
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u8x8.printf("%s", "BLTH:off");
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#endif
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#if (HAS_LORA)
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u8x8.setCursor(11, 3);
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u8x8.printf("SF:");
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if (cfg.adrmode) // if ADR=on then display SF value inverse
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u8x8.setInverseFont(1);
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u8x8.printf("%c%c", lora_datarate[LMIC.datarate * 2],
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lora_datarate[LMIC.datarate * 2 + 1]);
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if (cfg.adrmode) // switch off inverse if it was turned on
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u8x8.setInverseFont(0);
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#endif // HAS_LORA
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// line 4: update wifi counter + channel display
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u8x8.setCursor(0, 4);
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u8x8.printf("WIFI:%-5d", macs_wifi);
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u8x8.setCursor(11, 4);
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u8x8.printf("ch:%02d", channel);
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// line 5: update RSSI limiter status & free memory display
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u8x8.setCursor(0, 5);
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u8x8.printf(!cfg.rssilimit ? "RLIM:off " : "RLIM:%-4d", cfg.rssilimit);
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u8x8.setCursor(10, 5);
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u8x8.printf("%4dKB", getFreeRAM() / 1024);
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// line 6: update time-of-day or LoRa status display
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u8x8.setCursor(0, 6);
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#if (TIME_SYNC_INTERVAL)
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// we want a systime display instead LoRa status
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timeState = TimePulseTick ? ' ' : timeSetSymbols[timeSource];
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TimePulseTick = false;
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// display inverse timeState if clock controller is enabled
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#if (defined HAS_DCF77) || (defined HAS_IF482)
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u8x8.printf("%02d:%02d:%02d", hour(t), minute(t), second(t));
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u8x8.setInverseFont(1);
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u8x8.printf("%c", timeState);
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u8x8.setInverseFont(0);
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u8x8.printf(" %2d.%3s", day(t), printmonth[month(t)]);
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#else
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u8x8.printf("%02d:%02d:%02d%c %2d.%3s", hour(t), minute(t), second(t),
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timeState, day(t), printmonth[month(t)]);
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#endif // HAS_DCF77 || HAS_IF482
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#else // update LoRa status display
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#if (HAS_LORA)
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u8x8.printf("%-16s", display_line6);
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#endif
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#endif // TIME_SYNC_INTERVAL
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#if (HAS_LORA)
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// line 7: update LMiC event display
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u8x8.setCursor(0, 7);
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u8x8.printf("%-14s", display_line7);
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// update LoRa send queue display
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msgWaiting = uxQueueMessagesWaiting(LoraSendQueue);
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if (msgWaiting) {
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sprintf(buff, "%2d", msgWaiting);
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u8x8.setCursor(14, 7);
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u8x8.printf("%-2s", msgWaiting == SEND_QUEUE_SIZE ? "<>" : buff);
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} else
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u8x8.printf(" ");
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#endif // HAS_LORA
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break; // page0
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case 1:
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// line 4-5: update time-of-day
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snprintf(buff, sizeof(buff), "%02d:%02d:%02d", hour(t), minute(t),
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second(t));
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u8x8.draw2x2String(0, 4, buff);
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break; // page1
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case 2:
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// update counter (lines 0-1)
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snprintf(
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buff, sizeof(buff), "PAX:%-4d",
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(int)
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macs.size()); // convert 16-bit MAC counter to decimal counter value
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u8x8.draw2x2String(0, 0,
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buff); // display number on unique macs total Wifi + BLE
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#if (HAS_GPS)
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if (gps.location.age() < 1500) {
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// line 5: clear "No fix"
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if (wasnofix) {
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snprintf(buff, sizeof(buff), " ");
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u8x8.draw2x2String(2, 5, buff);
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wasnofix = false;
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}
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// line 3-4: GPS latitude
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snprintf(buff, sizeof(buff), "%c%-07.4f",
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gps.location.rawLat().negative ? 'S' : 'N', gps.location.lat());
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u8x8.draw2x2String(0, 3, buff);
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// line 6-7: GPS longitude
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snprintf(buff, sizeof(buff), "%c%-07.4f",
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gps.location.rawLat().negative ? 'W' : 'E', gps.location.lng());
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u8x8.draw2x2String(0, 6, buff);
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} else {
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snprintf(buff, sizeof(buff), "No fix");
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u8x8.setInverseFont(1);
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u8x8.draw2x2String(2, 5, buff);
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u8x8.setInverseFont(0);
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wasnofix = true;
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}
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#else
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snprintf(buff, sizeof(buff), "No GPS");
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u8x8.draw2x2String(2, 5, buff);
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#endif
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break; // page2
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case 3:
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#if (HAS_BME)
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// line 2-3: Temp
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snprintf(buff, sizeof(buff), "TMP:%--4.1f", bme_status.temperature);
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u8x8.draw2x2String(0, 2, buff);
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// line 4-5: Hum
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snprintf(buff, sizeof(buff), "HUM:%-4.1f", bme_status.humidity);
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u8x8.draw2x2String(0, 4, buff);
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#ifdef HAS_BME680
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// line 6-7: IAQ
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snprintf(buff, sizeof(buff), "IAQ:%-4.1f", bme_status.iaq);
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u8x8.draw2x2String(0, 6, buff);
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#endif
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#else
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snprintf(buff, sizeof(buff), "No BME");
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u8x8.draw2x2String(2, 5, buff);
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#endif
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break; // page3
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default:
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break; // default
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} // switch
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} // draw_page
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#endif // HAS_DISPLAY
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