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opencom_xl_firmware/Display.h

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// Copyright (C) 2023, Mark Qvist
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <Adafruit_GFX.h>
#if DISPLAY == OLED
#include <Wire.h>
#include <Adafruit_SSD1306.h>
#define DISP_W 128
#define DISP_H 64
#elif DISPLAY == EINK_BW || DISPLAY == EINK_3C
void (*display_callback)();
void display_add_callback(void (*callback)()) {
display_callback = callback;
}
void busyCallback(const void* p) {
display_callback();
}
#endif
#if DISPLAY == EINK_BW
// use GxEPD2 because adafruit EPD support for partial refresh is bad
#include <GxEPD2_BW.h>
#include <SPI.h>
#elif DISPLAY == EINK_3C
#include <GxEPD2_3C.h>
#include <SPI.h>
#endif
#include "Fonts/Org_01.h"
#if BOARD_MODEL == BOARD_RNODE_NG_20 || BOARD_MODEL == BOARD_LORA32_V2_0
#if DISPLAY == OLED
#define DISP_RST -1
#define DISP_ADDR 0x3C
#endif
#elif BOARD_MODEL == BOARD_TBEAM
#if DISPLAY == OLED
#define DISP_RST 13
#define DISP_ADDR 0x3C
#define DISP_CUSTOM_ADDR true
#endif
#elif BOARD_MODEL == BOARD_HELTEC32_V2 || BOARD_MODEL == BOARD_LORA32_V1_0
#if DISPLAY == OLED
#define DISP_RST 16
#define DISP_ADDR 0x3C
#define SCL_OLED 15
#define SDA_OLED 4
#endif
#elif BOARD_MODEL == BOARD_HELTEC32_V3
#define DISP_RST 21
#define DISP_ADDR 0x3C
#define SCL_OLED 18
#define SDA_OLED 17
#elif BOARD_MODEL == BOARD_RNODE_NG_21
#if DISPLAY == OLED
#define DISP_RST -1
#define DISP_ADDR 0x3C
#endif
#elif BOARD_MODEL == BOARD_T3S3
#if DISPLAY == OLED
#define DISP_RST 21
#define DISP_ADDR 0x3C
#define SCL_OLED 17
#define SDA_OLED 18
#endif
#elif BOARD_MODEL == BOARD_RAK4631
#if DISPLAY == OLED
// todo: add support for OLED board
#elif DISPLAY == EINK_BW
#define DISP_W 250
#define DISP_H 122
#define DISP_ADDR -1
#define DISPLAY_MODEL GxEPD2_213_BN
#elif DISPLAY == EINK_3C
#define DISP_W 250
#define DISP_H 122
#define DISP_ADDR -1
#define DISPLAY_MODEL GxEPD2_213_Z98c
#endif
#else
#define DISP_RST -1
#define DISP_ADDR 0x3C
#define DISP_CUSTOM_ADDR true
#endif
#define UNSCALED_MAX 64
#define SMALL_FONT &Org_01
#include "Graphics.h"
#if BOARD_MODEL != BOARD_RAK4631
// support for BOARD_RAK4631 OLED not implemented yet
#if DISPLAY == OLED
Adafruit_SSD1306 display(DISP_W, DISP_H, &Wire, DISP_RST);
float disp_target_fps = 7;
#endif
#endif
#if BOARD_MODEL == BOARD_RAK4631
#if DISPLAY == EINK_BW
GxEPD2_BW<DISPLAY_MODEL, DISPLAY_MODEL::HEIGHT> display(DISPLAY_MODEL(pin_disp_cs, pin_disp_dc, pin_disp_reset, pin_disp_busy));
float disp_target_fps = 0.2;
#elif DISPLAY == EINK_3C
GxEPD2_3C<DISPLAY_MODEL, DISPLAY_MODEL::HEIGHT> display(DISPLAY_MODEL(pin_disp_cs, pin_disp_dc, pin_disp_reset, pin_disp_busy));
float disp_target_fps = 0.05; // refresh usually takes longer on 3C, hence 4x the refresh period
#endif
#else
// add more eink compatible boards here
#endif
#define DISP_MODE_UNKNOWN 0x00
#define DISP_MODE_LANDSCAPE 0x01
#define DISP_MODE_PORTRAIT 0x02
#define DISP_PIN_SIZE 6
uint8_t disp_mode = DISP_MODE_UNKNOWN;
uint8_t disp_ext_fb = false;
unsigned char fb[512];
uint32_t last_disp_update = 0;
int disp_update_interval = 1000/disp_target_fps;
uint32_t last_page_flip = 0;
uint32_t last_interface_page_flip = 0;
int page_interval = 4000;
bool device_signatures_ok();
bool device_firmware_ok();
bool stat_area_initialised = false;
bool radio_online = false;
#define START_PAGE 0
const uint8_t pages = 3;
uint8_t disp_page = START_PAGE;
uint8_t interface_page = START_PAGE;
uint8_t online_interface_list[INTERFACE_COUNT] = {0};
uint8_t online_interfaces = 0;
#if DISPLAY == OLED
#define WATERFALL_SIZE 46
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
#define WATERFALL_SIZE 92
#else
// add more eink compatible boards here
#endif
int waterfall[INTERFACE_COUNT][WATERFALL_SIZE] = {0};
int waterfall_head[INTERFACE_COUNT] = {0};
int p_ad_x = 0;
int p_ad_y = 0;
int p_as_x = 0;
int p_as_y = 0;
#if DISPLAY == OLED
GFXcanvas1 stat_area(64, 64);
GFXcanvas1 disp_area(64, 64);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
GFXcanvas1 stat_area(DISP_H, DISP_W/2);
GFXcanvas1 disp_area(DISP_H, DISP_W/2);
#endif
void update_area_positions() {
if (disp_mode == DISP_MODE_PORTRAIT) {
p_ad_x = 0;
p_ad_y = 0;
p_as_x = 0;
p_as_y = DISP_H;
} else if (disp_mode == DISP_MODE_LANDSCAPE) {
p_ad_x = 0;
p_ad_y = 0;
p_as_x = DISP_H;
p_as_y = 0;
}
}
uint8_t display_contrast = 0x00;
#if DISPLAY == OLED
void set_contrast(Adafruit_SSD1306 *display, uint8_t contrast) {
display->ssd1306_command(SSD1306_SETCONTRAST);
display->ssd1306_command(contrast);
}
#endif
bool display_init() {
#if HAS_DISPLAY
#if BOARD_MODEL == BOARD_RNODE_NG_20 || BOARD_MODEL == BOARD_LORA32_V2_0
int pin_display_en = 16;
digitalWrite(pin_display_en, LOW);
delay(50);
digitalWrite(pin_display_en, HIGH);
#elif BOARD_MODEL == BOARD_T3S3
Wire.begin(SDA_OLED, SCL_OLED);
#elif BOARD_MODEL == BOARD_HELTEC32_V2
Wire.begin(SDA_OLED, SCL_OLED);
#elif BOARD_MODEL == BOARD_HELTEC32_V3
// enable vext / pin 36
pinMode(Vext, OUTPUT);
digitalWrite(Vext, LOW);
delay(50);
int pin_display_en = 21;
pinMode(pin_display_en, OUTPUT);
digitalWrite(pin_display_en, LOW);
delay(50);
digitalWrite(pin_display_en, HIGH);
delay(50);
Wire.begin(SDA_OLED, SCL_OLED);
#elif BOARD_MODEL == BOARD_LORA32_V1_0
int pin_display_en = 16;
digitalWrite(pin_display_en, LOW);
delay(50);
digitalWrite(pin_display_en, HIGH);
Wire.begin(SDA_OLED, SCL_OLED);
#elif BOARD_MODEL == BOARD_RAK4631
#if DISPLAY == OLED
#elif DISPLAY == EINK_BW || DISPLAY == EINK_3C
pinMode(pin_disp_en, INPUT_PULLUP);
digitalWrite(pin_disp_en, HIGH);
display.init(0, true, 10, false, SPI, SPISettings(4000000, MSBFIRST, SPI_MODE0));
display.setPartialWindow(0, 0, DISP_W, DISP_H);
// Because refreshing this display can take some time, sometimes serial
// commands will be missed. Therefore, during periods where the device is
// waiting for the display to update, it will poll the serial buffer to
// check for any commands from the host.
display.epd2.setBusyCallback(busyCallback);
#endif
#endif
#if DISP_CUSTOM_ADDR == true
#if HAS_EEPROM
uint8_t display_address = EEPROM.read(eeprom_addr(ADDR_CONF_DADR));
#elif MCU_VARIANT == MCU_NRF52
uint8_t display_address = eeprom_read(eeprom_addr(ADDR_CONF_DADR));
#endif
if (display_address == 0xFF) display_address = DISP_ADDR;
#else
uint8_t display_address = DISP_ADDR;
#endif
#if DISPLAY == OLED
if(!display.begin(SSD1306_SWITCHCAPVCC, display_address)) {
#elif DISPLAY == EINK_BW || DISPLAY == EINK_3C
// don't check if display is actually connected
if(false) {
#endif
return false;
} else {
#if DISPLAY == OLED
set_contrast(&display, display_contrast);
#endif
#if BOARD_MODEL == BOARD_RNODE_NG_20
disp_mode = DISP_MODE_PORTRAIT;
display.setRotation(3);
#elif BOARD_MODEL == BOARD_RNODE_NG_21
disp_mode = DISP_MODE_PORTRAIT;
display.setRotation(3);
#elif BOARD_MODEL == BOARD_LORA32_V1_0
disp_mode = DISP_MODE_PORTRAIT;
display.setRotation(3);
#elif BOARD_MODEL == BOARD_LORA32_V2_0
disp_mode = DISP_MODE_PORTRAIT;
display.setRotation(3);
#elif BOARD_MODEL == BOARD_LORA32_V2_1
disp_mode = DISP_MODE_LANDSCAPE;
display.setRotation(0);
#elif BOARD_MODEL == BOARD_TBEAM
disp_mode = DISP_MODE_LANDSCAPE;
display.setRotation(0);
#elif BOARD_MODEL == BOARD_HELTEC32_V2
disp_mode = DISP_MODE_PORTRAIT;
display.setRotation(1);
#elif BOARD_MODEL == BOARD_RAK4631
#if DISPLAY == OLED
#elif DISPLAY == EINK_BW || DISPLAY == EINK_3C
disp_mode = DISP_MODE_PORTRAIT;
#endif
#elif BOARD_MODEL == BOARD_HELTEC32_V3
disp_mode = DISP_MODE_PORTRAIT;
// Antenna conx up
display.setRotation(1);
// USB-C up
// display.setRotation(3);
#else
disp_mode = DISP_MODE_PORTRAIT;
display.setRotation(3);
#endif
update_area_positions();
last_page_flip = millis();
stat_area.cp437(true);
disp_area.cp437(true);
display.cp437(true);
#if HAS_EEPROM
display_intensity = EEPROM.read(eeprom_addr(ADDR_CONF_DINT));
#elif MCU_VARIANT == MCU_NRF52
display_intensity = eeprom_read(eeprom_addr(ADDR_CONF_DINT));
#endif
return true;
}
#else
return false;
#endif
}
void draw_cable_icon(int px, int py) {
if (cable_state == CABLE_STATE_DISCONNECTED) {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_cable+0*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_cable+0*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
} else if (cable_state == CABLE_STATE_CONNECTED) {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_cable+1*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_cable+1*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
}
}
void draw_bt_icon(int px, int py) {
if (bt_state == BT_STATE_OFF) {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_bt+0*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_bt+0*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
} else if (bt_state == BT_STATE_ON) {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_bt+1*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_bt+1*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
} else if (bt_state == BT_STATE_PAIRING) {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_bt+2*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_bt+2*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
} else if (bt_state == BT_STATE_CONNECTED) {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_bt+3*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_bt+3*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
} else {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_bt+0*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_bt+0*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
}
}
void draw_lora_icon(RadioInterface* radio, int px, int py) {
// todo: make display show other interfaces
if (radio_online) {
#if DISPLAY == OLED
if (online_interface_list[interface_page] != radio->getIndex()) {
stat_area.drawBitmap(px - 1, py-1, bm_dot_sqr, 18, 19, SSD1306_WHITE, SSD1306_BLACK);
// redraw stat area on next refresh
stat_area_initialised = false;
}
if (radio->getRadioOnline()) {
stat_area.drawBitmap(px, py, bm_rf+1*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
} else {
stat_area.drawBitmap(px, py, bm_rf+0*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
}
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
if (online_interface_list[interface_page] != radio->getIndex()) {
stat_area.drawBitmap(px - 2, py - 2, bm_dot_sqr, 34, 36, GxEPD_WHITE, GxEPD_BLACK);
// redraw stat area on next refresh
stat_area_initialised = false;
}
if (radio->getRadioOnline()) {
stat_area.drawBitmap(px, py, bm_rf+1*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
} else {
stat_area.drawBitmap(px, py, bm_rf+0*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
}
#endif
} else {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_rf+0*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_rf+0*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
}
}
void draw_mw_icon(int px, int py) {
if (INTERFACE_COUNT >= 2) {
if (interface_obj[1]->getRadioOnline()) {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_rf+3*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_rf+3*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
} else {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_rf+2*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_rf+2*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
}
} else {
#if DISPLAY == OLED
stat_area.drawBitmap(px, py, bm_rf+2*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(px, py, bm_rf+2*128, 30, 32, GxEPD_WHITE, GxEPD_BLACK);
#endif
}
}
uint8_t charge_tick = 0;
void draw_battery_bars(int px, int py) {
if (pmu_ready) {
if (battery_ready) {
if (battery_installed) {
float battery_value = battery_percent;
if (battery_state == BATTERY_STATE_CHARGING) {
battery_value = charge_tick;
charge_tick += 3;
if (charge_tick > 100) charge_tick = 0;
}
if (battery_indeterminate && battery_state == BATTERY_STATE_CHARGING) {
#if DISPLAY == OLED
stat_area.fillRect(px-2, py-2, 18, 7, SSD1306_BLACK);
stat_area.drawBitmap(px-2, py-2, bm_plug, 17, 7, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.fillRect(px-2, py-2, 24, 9, GxEPD_BLACK);
stat_area.drawBitmap(px-2, py-5, bm_plug, 34, 13, GxEPD_WHITE, GxEPD_BLACK);
#endif
} else {
if (battery_state == BATTERY_STATE_CHARGED) {
#if DISPLAY == OLED
stat_area.fillRect(px-2, py-2, 18, 7, SSD1306_BLACK);
stat_area.drawBitmap(px-2, py-2, bm_plug, 17, 7, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.fillRect(px-2, py-2, 24, 9, GxEPD_BLACK);
stat_area.drawBitmap(px-2, py-5, bm_plug, 34, 13, GxEPD_WHITE, GxEPD_BLACK);
#endif
} else {
#if DISPLAY == OLED
stat_area.fillRect(px, py, 14, 3, SSD1306_BLACK);
stat_area.fillRect(px-2, py-2, 18, 7, SSD1306_BLACK);
stat_area.drawRect(px-2, py-2, 17, 7, SSD1306_WHITE);
stat_area.drawLine(px+15, py, px+15, py+3, SSD1306_WHITE);
if (battery_value > 7) stat_area.drawLine(px, py, px, py+2, SSD1306_WHITE);
if (battery_value > 20) stat_area.drawLine(px+1*2, py, px+1*2, py+2, SSD1306_WHITE);
if (battery_value > 33) stat_area.drawLine(px+2*2, py, px+2*2, py+2, SSD1306_WHITE);
if (battery_value > 46) stat_area.drawLine(px+3*2, py, px+3*2, py+2, SSD1306_WHITE);
if (battery_value > 59) stat_area.drawLine(px+4*2, py, px+4*2, py+2, SSD1306_WHITE);
if (battery_value > 72) stat_area.drawLine(px+5*2, py, px+5*2, py+2, SSD1306_WHITE);
if (battery_value > 85) stat_area.drawLine(px+6*2, py, px+6*2, py+2, SSD1306_WHITE);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.fillRect(px, py, 20, 5, GxEPD_BLACK);
stat_area.fillRect(px-2, py-4, 34, 19, GxEPD_BLACK);
stat_area.drawRect(px-2, py-2, 23, 9, GxEPD_WHITE);
stat_area.drawLine(px+21, py, px+21, py+5, GxEPD_WHITE);
if (battery_value > 0) stat_area.drawLine(px, py, px, py+4, GxEPD_WHITE);
if (battery_value >= 10) stat_area.drawLine(px+1*2, py, px+1*2, py+4, GxEPD_WHITE);
if (battery_value >= 20) stat_area.drawLine(px+2*2, py, px+2*2, py+4, GxEPD_WHITE);
if (battery_value >= 30) stat_area.drawLine(px+3*2, py, px+3*2, py+4, GxEPD_WHITE);
if (battery_value >= 40) stat_area.drawLine(px+4*2, py, px+4*2, py+4, GxEPD_WHITE);
if (battery_value >= 50) stat_area.drawLine(px+5*2, py, px+5*2, py+4, GxEPD_WHITE);
if (battery_value >= 60) stat_area.drawLine(px+6*2, py, px+6*2, py+4, GxEPD_WHITE);
if (battery_value >= 70) stat_area.drawLine(px+7*2, py, px+7*2, py+4, GxEPD_WHITE);
if (battery_value >= 80) stat_area.drawLine(px+8*2, py, px+8*2, py+4, GxEPD_WHITE);
if (battery_value >= 90) stat_area.drawLine(px+9*2, py, px+9*2, py+4, GxEPD_WHITE);
#endif
}
}
} else {
#if DISPLAY == OLED
stat_area.fillRect(px-2, py-2, 18, 7, SSD1306_BLACK);
stat_area.drawBitmap(px-2, py-2, bm_plug, 17, 7, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.fillRect(px-2, py-2, 24, 9, GxEPD_BLACK);
stat_area.drawBitmap(px-2, py-5, bm_plug, 34, 13, GxEPD_WHITE, GxEPD_BLACK);
#endif
}
}
} else {
#if DISPLAY == OLED
stat_area.fillRect(px-2, py-2, 18, 7, SSD1306_BLACK);
stat_area.drawBitmap(px-2, py-2, bm_plug, 17, 7, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.fillRect(px-2, py-2, 24, 9, GxEPD_BLACK);
stat_area.drawBitmap(px-2, py-5, bm_plug, 34, 13, GxEPD_WHITE, GxEPD_BLACK);
#endif
}
}
#define Q_SNR_STEP 2.0
#define Q_SNR_MIN_BASE -9.0
#define Q_SNR_MAX 6.0
void draw_quality_bars(int px, int py) {
signed char t_snr = (signed int)last_snr_raw;
int snr_int = (int)t_snr;
float snr_min = Q_SNR_MIN_BASE-(int)interface_obj[interface_page]->getSpreadingFactor()*Q_SNR_STEP;
float snr_span = (Q_SNR_MAX-snr_min);
float snr = ((int)snr_int) * 0.25;
float quality = ((snr-snr_min)/(snr_span))*100;
if (quality > 100.0) quality = 100.0;
if (quality < 0.0) quality = 0.0;
#if DISPLAY == OLED
stat_area.fillRect(px, py, 13, 7, SSD1306_BLACK);
if (quality > 0) stat_area.drawLine(px+0*2, py+7, px+0*2, py+6, SSD1306_WHITE);
if (quality > 15) stat_area.drawLine(px+1*2, py+7, px+1*2, py+5, SSD1306_WHITE);
if (quality > 30) stat_area.drawLine(px+2*2, py+7, px+2*2, py+4, SSD1306_WHITE);
if (quality > 45) stat_area.drawLine(px+3*2, py+7, px+3*2, py+3, SSD1306_WHITE);
if (quality > 60) stat_area.drawLine(px+4*2, py+7, px+4*2, py+2, SSD1306_WHITE);
if (quality > 75) stat_area.drawLine(px+5*2, py+7, px+5*2, py+1, SSD1306_WHITE);
if (quality > 90) stat_area.drawLine(px+6*2, py+7, px+6*2, py+0, SSD1306_WHITE);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.fillRect(px, py, 26, 14, GxEPD_BLACK);
if (quality > 0) {
stat_area.drawLine(px+0*4, py+14, px+0*4, py+6, GxEPD_WHITE);
stat_area.drawLine(px+0*4+1, py+14, px+0*4+1, py+6, GxEPD_WHITE);
}
if (quality > 15) {
stat_area.drawLine(px+1*4, py+14, px+1*4, py+5, GxEPD_WHITE);
stat_area.drawLine(px+1*4+1, py+14, px+1*4+1, py+5, GxEPD_WHITE);
}
if (quality > 30) {
stat_area.drawLine(px+2*4, py+14, px+2*4, py+4, GxEPD_WHITE);
stat_area.drawLine(px+2*4+1, py+14, px+2*4+1, py+4, GxEPD_WHITE);
}
if (quality > 45) {
stat_area.drawLine(px+3*4, py+14, px+3*4, py+3, GxEPD_WHITE);
stat_area.drawLine(px+3*4+1, py+14, px+3*4+1, py+3, GxEPD_WHITE);
}
if (quality > 60) {
stat_area.drawLine(px+4*4, py+14, px+4*4, py+2, GxEPD_WHITE);
stat_area.drawLine(px+4*4+1, py+14, px+4*4+1, py+2, GxEPD_WHITE);
}
if (quality > 75) {
stat_area.drawLine(px+5*4, py+14, px+5*4, py+1, GxEPD_WHITE);
stat_area.drawLine(px+5*4+1, py+14, px+5*4+1, py+1, GxEPD_WHITE);
}
if (quality > 90) {
stat_area.drawLine(px+6*4, py+14, px+6*4, py+0, GxEPD_WHITE);
stat_area.drawLine(px+6*4+1, py+14, px+6*4+1, py+0, GxEPD_WHITE);
}
#endif
// Serial.printf("Last SNR: %.2f\n, quality: %.2f\n", snr, quality);
}
#define S_RSSI_MIN -135.0
#define S_RSSI_MAX -75.0
#define S_RSSI_SPAN (S_RSSI_MAX-S_RSSI_MIN)
void draw_signal_bars(int px, int py) {
int rssi_val = last_rssi;
if (rssi_val < S_RSSI_MIN) rssi_val = S_RSSI_MIN;
if (rssi_val > S_RSSI_MAX) rssi_val = S_RSSI_MAX;
int signal = ((rssi_val - S_RSSI_MIN)*(1.0/S_RSSI_SPAN))*100.0;
if (signal > 100.0) signal = 100.0;
if (signal < 0.0) signal = 0.0;
#if DISPLAY == OLED
stat_area.fillRect(px, py, 13, 7, SSD1306_BLACK);
if (signal > 85) stat_area.drawLine(px+0*2, py+7, px+0*2, py+0, SSD1306_WHITE);
if (signal > 72) stat_area.drawLine(px+1*2, py+7, px+1*2, py+1, SSD1306_WHITE);
if (signal > 59) stat_area.drawLine(px+2*2, py+7, px+2*2, py+2, SSD1306_WHITE);
if (signal > 46) stat_area.drawLine(px+3*2, py+7, px+3*2, py+3, SSD1306_WHITE);
if (signal > 33) stat_area.drawLine(px+4*2, py+7, px+4*2, py+4, SSD1306_WHITE);
if (signal > 20) stat_area.drawLine(px+5*2, py+7, px+5*2, py+5, SSD1306_WHITE);
if (signal > 7) stat_area.drawLine(px+6*2, py+7, px+6*2, py+6, SSD1306_WHITE);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.fillRect(px, py, 26, 14, GxEPD_BLACK);
if (signal > 85) {
stat_area.drawLine(px+0*4, py+14, px+0*4, py+0, GxEPD_WHITE);
stat_area.drawLine(px+0*4+1, py+14, px+0*4+1, py+0, GxEPD_WHITE);
}
if (signal > 72) {
stat_area.drawLine(px+1*4, py+14, px+1*4, py+1, GxEPD_WHITE);
stat_area.drawLine(px+1*4+1, py+14, px+1*4+1, py+1, GxEPD_WHITE);
}
if (signal > 59) {
stat_area.drawLine(px+2*4, py+14, px+2*4, py+2, GxEPD_WHITE);
stat_area.drawLine(px+2*4+1, py+14, px+2*4+1, py+2, GxEPD_WHITE);
}
if (signal > 46) {
stat_area.drawLine(px+3*4, py+14, px+3*4, py+3, GxEPD_WHITE);
stat_area.drawLine(px+3*4+1, py+14, px+3*4+1, py+3, GxEPD_WHITE);
}
if (signal > 33) {
stat_area.drawLine(px+4*4, py+14, px+4*4, py+4, GxEPD_WHITE);
stat_area.drawLine(px+4*4+1, py+14, px+4*4+1, py+4, GxEPD_WHITE);
}
if (signal > 20) {
stat_area.drawLine(px+5*4, py+14, px+5*4, py+5, GxEPD_WHITE);
stat_area.drawLine(px+5*4+1, py+14, px+5*4+1, py+5, GxEPD_WHITE);
}
if (signal > 7) {
stat_area.drawLine(px+6*4, py+14, px+6*4, py+6, GxEPD_WHITE);
stat_area.drawLine(px+6*4+1, py+14, px+6*4+1, py+6, GxEPD_WHITE);
}
#endif
// Serial.printf("Last SNR: %.2f\n, quality: %.2f\n", snr, quality);
}
#define WF_RSSI_MAX -60
#define WF_RSSI_MIN -135
#define WF_RSSI_SPAN (WF_RSSI_MAX-WF_RSSI_MIN)
#if DISPLAY == OLED
#define WF_PIXEL_WIDTH 10
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
#define WF_PIXEL_WIDTH 22
#endif
void draw_waterfall(int px, int py) {
int rssi_val = interface_obj[interface_page]->currentRssi();
if (rssi_val < WF_RSSI_MIN) rssi_val = WF_RSSI_MIN;
if (rssi_val > WF_RSSI_MAX) rssi_val = WF_RSSI_MAX;
int rssi_normalised = ((rssi_val - WF_RSSI_MIN)*(1.0/WF_RSSI_SPAN))*WF_PIXEL_WIDTH;
waterfall[interface_page][waterfall_head[interface_page]++] = rssi_normalised;
if (waterfall_head[interface_page] >= WATERFALL_SIZE) waterfall_head[interface_page] = 0;
#if DISPLAY == OLED
stat_area.fillRect(px,py,WF_PIXEL_WIDTH, WATERFALL_SIZE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.fillRect(px,py,WF_PIXEL_WIDTH, WATERFALL_SIZE, GxEPD_BLACK);
#endif
for (int i = 0; i < WATERFALL_SIZE; i++){
int wi = (waterfall_head[interface_page]+i)%WATERFALL_SIZE;
int ws = waterfall[interface_page][wi];
if (ws > 0) {
#if DISPLAY == OLED
stat_area.drawLine(px, py+i, px+ws-1, py+i, SSD1306_WHITE);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawLine(px, py+i, px+ws-1, py+i, GxEPD_WHITE);
#endif
}
}
}
void draw_stat_area() {
if (device_init_done) {
if (!stat_area_initialised) {
#if DISPLAY == OLED
stat_area.drawBitmap(0, 0, bm_frame, 64, 64, SSD1306_WHITE, SSD1306_BLACK);
#elif DISP_H == 122 && (DISPLAY == EINK_BW || DISPLAY == EINK_3C)
stat_area.drawBitmap(0, 0, bm_frame, stat_area.width(), stat_area.height(), GxEPD_WHITE, GxEPD_BLACK);
#endif
stat_area_initialised = true;
}
if (millis()-last_interface_page_flip >= page_interval) {
int online_interfaces_check = 0;
// todo, is there a more efficient way of doing this?
for (int i = 0; i < INTERFACE_COUNT; i++) {
if (interface_obj[i]->getRadioOnline()) {
online_interfaces_check++;
}
}
if (online_interfaces != online_interfaces_check) {
online_interfaces = online_interfaces_check;
}
// cap at two for now, as only two boxes to symbolise interfaces
// available on display
if (online_interfaces > 2) {
online_interfaces = 2;
}
uint8_t index = 0;