567 lines
15 KiB
C++
567 lines
15 KiB
C++
#ifdef HAS_DISPLAY
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/*
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Display-Mask (128 x 64 pixel):
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| 11111111112
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|012345678901234567890 Font
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----------------------- ---------
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0|PAX:aabbccdd LARGE
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1|PAX:aabbccdd LARGE
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2|
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3|WIFI:abcde BLTH:abcde SMALL
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4|Batt:abc% chan:ab SMALL
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5|RLIM:abcd Mem:abcdeKB SMALL
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6|27.Feb 2019 20:27:00* SMALL
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7|yyyyyyyyyyyyy xx SFab SMALL
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* = char {L|G|R|?} indicates time source,
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inverse = clock controller is active,
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pulsed = pps input signal is active
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y = LMIC event message
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xx = payload sendqueue length
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ab = LMIC spread factor
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MY_FONT_SMALL: 6x8px = 21 chars / line @ 8 lines
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MY_FONT_NORMAL: 8x8px = 16 chars / line @ 8 lines
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MY_FONT_STRETCHED: 12x16px = 10 chars / line @ 4 lines
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MY_FONT_LARGE: 16x32px = 8 chars / line @ 2 lines
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*/
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// Basic Config
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#include <esp_spi_flash.h> // needed for reading ESP32 chip attributes
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#include "globals.h"
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#include "display.h"
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// local Tag for logging
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static const char TAG[] = __FILE__;
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static uint8_t plotbuf[PLOTBUFFERSIZE] = {0};
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uint8_t DisplayIsOn = 0;
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hw_timer_t *displayIRQ = NULL;
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static QRCode qrcode;
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// select display driver
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#ifdef HAS_DISPLAY
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#if (HAS_DISPLAY) == 1
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ONE_BIT_DISPLAY *dp = NULL;
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#elif (HAS_DISPLAY) > 1
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BB_SPI_LCD *dp = NULL;
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#else
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#error Unknown display type specified in hal file
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#endif
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#endif
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void dp_setup(int contrast) {
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#if (HAS_DISPLAY) == 1 // I2C OLED
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dp = new ONE_BIT_DISPLAY;
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dp->setI2CPins(MY_DISPLAY_SDA, MY_DISPLAY_SCL, MY_DISPLAY_RST);
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dp->setBitBang(false);
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dp->I2Cbegin(OLED_TYPE, OLED_ADDR, OLED_FREQUENCY);
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dp->allocBuffer(); // render all outputs to lib internal backbuffer
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dp->setTextWrap(false);
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dp->setRotation(
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MY_DISPLAY_FLIP ? 2 : 0); // 0 = no rotation, 1 = 90°, 2 = 180°, 3 = 270°
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#elif (HAS_DISPLAY) > 1 // TFT LCD
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dp = new BB_SPI_LCD;
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dp->begin(TFT_TYPE);
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dp->allocBuffer(); // render all outputs to lib internal backbuffer
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dp->setRotation(
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MY_DISPLAY_FLIP ? 1 : 3); // 0 = no rotation, 1 = 90°, 2 = 180°, 3 = 270°
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dp->setTextColor(MY_DISPLAY_FGCOLOR, MY_DISPLAY_BGCOLOR);
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#endif
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dp_clear();
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if (contrast)
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dp_contrast(contrast);
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}
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void dp_init(bool verbose) {
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dp_setup(DISPLAYCONTRAST);
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// show chip information
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if (verbose) {
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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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dp_setFont(MY_FONT_NORMAL);
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dp->printf("** PAXCOUNTER **\r\n");
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dp->printf("Software v%s\r\n", PROGVERSION);
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dp->printf("ESP32 %d cores\r\n", chip_info.cores);
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dp->printf("Chip Rev.%d\r\n", chip_info.revision);
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dp->printf("WiFi%s%s\r\n",
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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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dp->printf("%dMB %s Flash", spi_flash_get_chip_size() / (1024 * 1024),
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(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "int." : "ext.");
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dp_dump();
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delay(2000);
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dp_clear();
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#endif // VERBOSE
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#if (HAS_LORA)
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// generate DEVEUI as QR code and text
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uint8_t buf[8], *p = buf;
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char deveui[17];
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os_getDevEui((u1_t *)buf);
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snprintf(deveui, 17, "%016llX", (*(uint64_t *)(p)));
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// display DEVEUI as QR code on the left
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dp_contrast(30);
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dp_printqr(3, 3, deveui);
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// display DEVEUI as plain text on the right
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const int x_offset = QR_SCALEFACTOR * 29 + 14;
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dp_setFont(MY_FONT_NORMAL);
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dp->setCursor(x_offset, 0);
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dp->printf("DEVEUI:\r\n");
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for (uint8_t i = 0; i <= 3; i++) {
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dp->setCursor(x_offset, i * 8 + 20);
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dp->printf("%4.4s", deveui + i * 4);
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}
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// give user some time to read or take picture
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dp_dump();
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#if !(BOOTMENU)
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delay(8000);
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#endif
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#endif // HAS_LORA
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} // verbose
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dp_power(cfg.screenon); // set display off if disabled
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} // dp_init
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// write display content to display buffer
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// nextpage = true -> flip 1 page
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void dp_refresh(bool nextPage) {
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struct count_payload_t count; // libpax count storage
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static uint8_t DisplayPage = 0;
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char timeState, strftime_buf[64];
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time_t now;
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struct tm timeinfo = {0};
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#ifndef HAS_BUTTON
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static uint32_t framecounter = 0;
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const uint32_t flip_threshold = DISPLAYCYCLE * 1000 / DISPLAYREFRESH_MS;
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#endif
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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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// 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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dp_power(cfg.screenon);
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}
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#ifndef HAS_BUTTON
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// auto flip page if we are in unattended mode
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if (++framecounter > flip_threshold) {
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framecounter = 0;
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nextPage = true;
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}
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#endif
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if (nextPage) {
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DisplayPage = (DisplayPage >= DISPLAY_PAGES - 1) ? 0 : (DisplayPage + 1);
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dp_clear();
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} else
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dp->setCursor(0, 0);
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switch (DisplayPage) {
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// page 0: pax + parameters overview
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// page 1: pax + lorawan parameters
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// page 2: pax + GPS lat/lon
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// page 3: BME280/680 values
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// page 4: timeofday
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// page 5: pax graph
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// page 6: blank screen
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// ---------- page 0: parameters overview ----------
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case 0:
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// show pax
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libpax_counter_count(&count);
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dp_setFont(MY_FONT_LARGE);
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dp->printf("%-8u", count.pax);
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dp_setFont(MY_FONT_SMALL);
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dp->setCursor(0, MY_DISPLAY_FIRSTLINE);
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// line 3: wifi + bluetooth counters
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// WIFI:abcde BLTH:abcde
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#if ((WIFICOUNTER) && (BLECOUNTER))
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if (cfg.wifiscan)
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dp->printf("WIFI:%-5u", count.wifi_count);
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else
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dp->printf("WIFI:off ");
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if (cfg.blescan)
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dp->printf("BLTH:%-5u", count.ble_count);
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else
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dp->printf(" BLTH:off");
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#elif ((WIFICOUNTER) && (!BLECOUNTER))
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if (cfg.wifiscan)
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dp->printf("WIFI:%-5u", count.wifi_count);
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else
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dp->printf("WIFI:off ");
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#elif ((!WIFICOUNTER) && (BLECOUNTER))
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if (cfg.blescan)
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dp->printf("BLTH:%-5u", count.ble_count);
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dp->printf("BLTH:off");
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#else
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dp->printf("Sniffer disabled");
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#endif
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dp->printf("\r\n");
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// line 4: Battery + GPS status + Wifi channel
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// B:a.bcV Sats:ab ch:ab
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#if (defined BAT_MEASURE_ADC || defined HAS_PMU || defined HAS_IP5306)
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if (batt_level > 0)
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dp->printf("Batt:%3u%% ", batt_level);
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else
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dp->printf("No batt ");
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#else
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dp->printf(" ");
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#endif
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dp->printf("chan:%02u\r\n", channel);
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// line 5: RSSI limiter + free memory
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// RLIM:abcd Mem:abcdKB
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dp->printf(!cfg.rssilimit ? "RLIM:off " : "RLIM:%-4d", cfg.rssilimit);
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dp->printf(" Mem:%uKB\r\n", getFreeRAM() / 1024);
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// line 6: time + date
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// Wed Jan 12 21:49:08 *
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#if (TIME_SYNC_INTERVAL)
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timeState = TimePulseTick ? ' ' : timeSetSymbols[timeSource];
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time(&now);
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localtime_r(&now, &timeinfo);
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strftime(strftime_buf, sizeof(strftime_buf), "%c", &timeinfo);
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dp->printf("%.20s", strftime_buf);
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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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dp_setFont(MY_FONT_SMALL, 1);
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dp->printf("%c\r\n", timeState);
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dp_setFont(MY_FONT_SMALL, 0);
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#else
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dp->printf("%c\r\n", timeState);
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#endif
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#endif // TIME_SYNC_INTERVAL
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// line 7: LMIC status
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// yyyyyyyyyyyyy xx SFab
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#if (HAS_LORA)
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// LMiC event display
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dp->printf("%-16s ", lmic_event_msg);
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// LORA datarate, display inverse if ADR disabled
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dp_setFont(MY_FONT_SMALL, !cfg.adrmode);
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dp->printf("%-4s", getSfName(updr2rps(LMIC.datarate)));
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dp_setFont(MY_FONT_SMALL, 0);
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#endif // HAS_LORA
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dp_dump();
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break;
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// ---------- page 1: lorawan parameters ----------
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case 1:
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#if (HAS_LORA)
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// 3|Net:000000 Pwr:aa
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// 4|Dev:00000000 DR:0
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// 5|CHMsk:0000 Nonce:0000
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// 6|fUp:000000 fDn:000000
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// 7|SNR:-0000 RSSI:-0000
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// show pax
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libpax_counter_count(&count);
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dp_setFont(MY_FONT_LARGE);
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dp->printf("%-8u", count.pax);
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dp_setFont(MY_FONT_SMALL);
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dp->setCursor(0, MY_DISPLAY_FIRSTLINE);
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dp->printf("Net:%06X Pwr:%2u\r\n", LMIC.netid & 0x001FFFFF,
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LMIC.radio_txpow);
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dp->printf("Dev:%08X DR:%1u\r\n", LMIC.devaddr, LMIC.datarate);
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dp->printf("ChMsk:%04X Nonce:%04X\r\n", LMIC.channelMap, LMIC.devNonce);
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dp->printf("fUp:%-6u fDn:%-6u\r\n", LMIC.seqnoUp ? LMIC.seqnoUp - 1 : 0,
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LMIC.seqnoDn ? LMIC.seqnoDn - 1 : 0);
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dp->printf("SNR:%-5d RSSI:%-5d", (LMIC.snr + 2) / 4, LMIC.rssi);
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dp_dump();
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break;
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#else // skip this page
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DisplayPage++;
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break;
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#endif // HAS_LORA
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// ---------- page 2: GPS ----------
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case 2:
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#if (HAS_GPS)
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// show pax
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libpax_counter_count(&count);
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dp_setFont(MY_FONT_LARGE);
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dp->printf("%-8u", count.pax);
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// show satellite status at bottom line
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dp_setFont(MY_FONT_SMALL);
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dp->setCursor(0, 56);
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dp->printf("%u Sats", gps.satellites.value());
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dp->printf(gps_hasfix() ? " " : " - No fix");
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// show latitude and longitude
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dp_setFont(MY_FONT_STRETCHED);
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dp->setCursor(0, MY_DISPLAY_FIRSTLINE);
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dp->printf("%c%09.6f\r\n", gps.location.rawLat().negative ? 'S' : 'N',
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gps.location.lat());
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dp->printf("%c%09.6f", gps.location.rawLng().negative ? 'W' : 'E',
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gps.location.lng());
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dp_dump();
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break;
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#else // skip this page
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DisplayPage++;
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break;
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#endif
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// ---------- page 3: BME280/680 ----------
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case 3:
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#if (HAS_BME)
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dp_setFont(MY_FONT_STRETCHED);
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dp->setCursor(0, 0);
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dp->printf("TMP %-6.1f\r\n", bme_status.temperature);
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dp->printf("HUM %-6.1f\r\n", bme_status.humidity);
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dp->printf("PRS %-6.1f\r\n", bme_status.pressure);
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#ifdef HAS_BME680
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dp->printf("IAQ %-6.0f", bme_status.iaq);
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#endif
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dp_dump();
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break;
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#else // skip this page
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DisplayPage++;
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break;
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#endif // HAS_BME
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// ---------- page 4: time ----------
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case 4:
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time(&now);
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localtime_r(&now, &timeinfo);
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dp_setFont(MY_FONT_STRETCHED);
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dp->setCursor(0, 0);
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dp->printf("Timeofday:");
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dp->setCursor(0, 26);
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dp_setFont(MY_FONT_LARGE);
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strftime(strftime_buf, sizeof(strftime_buf), "%T", &timeinfo);
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dp->printf("%.8s\r\n", strftime_buf);
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dp_setFont(MY_FONT_SMALL);
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dp->printf("%-12.1f", uptime() / 1000.0);
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dp_dump();
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break;
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// ---------- page 5: pax graph ----------
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case 5:
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// update and show histogram
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dp_plotCurve(count.pax, false);
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dp_dump(plotbuf);
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break;
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// ---------- page 6: blank screen ----------
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case 6:
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#ifdef HAS_BUTTON
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dp_clear();
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break;
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#else // skip this page
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DisplayPage++;
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break;
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#endif
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} // switch (page)
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} // dp_refresh
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// ------------- display helper functions -----------------
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void dp_setFont(int font, int inv) {
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dp->setFont(font);
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if (inv)
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dp->setTextColor(MY_DISPLAY_BGCOLOR, MY_DISPLAY_FGCOLOR);
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else
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dp->setTextColor(MY_DISPLAY_FGCOLOR, MY_DISPLAY_BGCOLOR);
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}
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void dp_dump(uint8_t *pBuffer) {
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if (pBuffer)
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memcpy(dp->getBuffer(), pBuffer, PLOTBUFFERSIZE);
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dp->display();
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}
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void dp_clear(void) {
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dp->fillScreen(MY_DISPLAY_BGCOLOR);
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dp->display();
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dp->setCursor(0, 0);
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}
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void dp_contrast(uint8_t contrast) {
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#if (HAS_DISPLAY) == 1
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dp->setContrast(contrast);
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#elif (HAS_DISPLAY) > 1
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// to do: gamma correction for TFT
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#endif
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}
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void dp_power(uint8_t screenon) {
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#if (HAS_DISPLAY) == 1
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dp->setPower(screenon);
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#elif (HAS_DISPLAY) > 1
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// to come
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#endif
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}
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void dp_shutdown(void) {
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#if (HAS_DISPLAY) == 1
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dp->setPower(false);
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delay(DISPLAYREFRESH_MS / 1000 * 1.1);
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#elif (HAS_DISPLAY) > 1
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// to come
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#endif
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}
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// ------------- QR code plotter -----------------
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void dp_printqr(uint16_t offset_x, uint16_t offset_y, const char *Message) {
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uint8_t qrcodeData[qrcode_getBufferSize(QR_VERSION)];
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qrcode_initText(&qrcode, qrcodeData, QR_VERSION, ECC_HIGH, Message);
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// draw QR code
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for (uint8_t y = 0; y < qrcode.size; y++)
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for (uint8_t x = 0; x < qrcode.size; x++)
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if (!qrcode_getModule(&qrcode, x, y)) // "black"
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dp->fillRect(x * QR_SCALEFACTOR + offset_x,
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y * QR_SCALEFACTOR + offset_y, QR_SCALEFACTOR,
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QR_SCALEFACTOR, MY_DISPLAY_FGCOLOR);
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// draw horizontal frame lines
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dp->fillRect(0, 0, qrcode.size * QR_SCALEFACTOR + 2 * offset_x, offset_y,
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MY_DISPLAY_FGCOLOR);
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dp->fillRect(0, qrcode.size * QR_SCALEFACTOR + offset_y,
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qrcode.size * QR_SCALEFACTOR + 2 * offset_x, offset_y,
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MY_DISPLAY_FGCOLOR);
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// draw vertical frame lines
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dp->fillRect(0, 0, offset_x, qrcode.size * QR_SCALEFACTOR + 2 * offset_y,
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MY_DISPLAY_FGCOLOR);
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dp->fillRect(qrcode.size * QR_SCALEFACTOR + offset_x, 0, offset_x,
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qrcode.size * QR_SCALEFACTOR + 2 * offset_y, MY_DISPLAY_FGCOLOR);
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}
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// ------------- graphics primitives -----------------
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int dp_drawPixel(uint8_t *buf, const uint16_t x, const uint16_t y,
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const uint8_t dot) {
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if (x > MY_DISPLAY_WIDTH || y > MY_DISPLAY_HEIGHT)
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return -1;
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uint8_t bit = y & 7;
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uint16_t idx = y / 8 * MY_DISPLAY_WIDTH + x;
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buf[idx] &= ~(1 << bit); // clear pixel
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if (dot)
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buf[idx] |= (1 << bit); // set pixel
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return 0;
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}
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// ------------- buffer scroll functions -----------------
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void dp_scrollHorizontal(uint8_t *buf, const uint16_t width,
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const uint16_t height, bool left) {
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uint16_t col, page, idx = 0;
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for (page = 0; page < height / 8; page++) {
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if (left) { // scroll left
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for (col = 0; col < width - 1; col++) {
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|
idx = page * width + col;
|
|
buf[idx] = buf[idx + 1];
|
|
}
|
|
buf[idx + 1] = 0;
|
|
} else // scroll right
|
|
{
|
|
for (col = width - 1; col > 0; col--) {
|
|
idx = page * width + col;
|
|
buf[idx] = buf[idx - 1];
|
|
}
|
|
buf[idx - 1] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void dp_scrollVertical(uint8_t *buf, const uint16_t width,
|
|
const uint16_t height, int offset) {
|
|
uint64_t buf_col;
|
|
|
|
if (!offset)
|
|
return; // nothing to do
|
|
|
|
for (uint16_t col = 0; col < MY_DISPLAY_WIDTH; col++) {
|
|
// convert column bytes from display buffer to uint64_t
|
|
buf_col = *(uint64_t *)&buf[col * MY_DISPLAY_HEIGHT / 8];
|
|
|
|
if (offset > 0) // scroll down
|
|
buf_col <<= offset;
|
|
else // scroll up
|
|
buf_col >>= abs(offset);
|
|
|
|
// write back uint64_t to uint8_t display buffer
|
|
*(uint64_t *)&buf[col * MY_DISPLAY_HEIGHT / 8] = buf_col;
|
|
}
|
|
}
|
|
|
|
// ------------- curve plotter -----------------
|
|
|
|
void dp_plotCurve(uint16_t count, bool reset) {
|
|
static uint16_t last_count = 0, col = 0, row = 0;
|
|
uint16_t v_scroll = 0;
|
|
|
|
// nothing new to plot? -> then exit early
|
|
if ((last_count == count) && !reset)
|
|
return;
|
|
|
|
if (reset) { // next count cycle?
|
|
if (col < MY_DISPLAY_WIDTH - 1) // matrix not full -> increment column
|
|
col++;
|
|
else // matrix full -> scroll left 1 dot
|
|
dp_scrollHorizontal(plotbuf, MY_DISPLAY_WIDTH, MY_DISPLAY_HEIGHT, true);
|
|
|
|
} else // clear current dot
|
|
dp_drawPixel(plotbuf, col, row, 0);
|
|
|
|
// scroll down, if necessary
|
|
while ((count - v_scroll) > MY_DISPLAY_HEIGHT - 1)
|
|
v_scroll++;
|
|
if (v_scroll)
|
|
dp_scrollVertical(plotbuf, MY_DISPLAY_WIDTH, MY_DISPLAY_HEIGHT, v_scroll);
|
|
|
|
// set new dot
|
|
// row = MY_DISPLAY_HEIGHT - 1 - (count - v_scroll) % MY_DISPLAY_HEIGHT;
|
|
row = MY_DISPLAY_HEIGHT - 1 - count - v_scroll;
|
|
last_count = count;
|
|
dp_drawPixel(plotbuf, col, row, 1);
|
|
}
|
|
|
|
#endif // HAS_DISPLAY
|