--- /dev/null
+#include "Graphics.h"
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+#define DISP_W 128
+#define DISP_H 64
+#define DISP_RST -1
+#define DISP_ADDR 0x3c
+Adafruit_SSD1306 display(DISP_W, DISP_H, &Wire, DISP_RST);
+
+#define DISP_MODE_UNKNOWN 0x00
+#define DISP_MODE_LANDSCAPE 0x01
+#define DISP_MODE_PORTRAIT 0x02
+uint8_t disp_mode = DISP_MODE_UNKNOWN;
+uint8_t disp_ext_fb = false;
+unsigned char fb[512];
+uint32_t last_disp_update = 0;
+uint8_t disp_target_fps = 7;
+int disp_update_interval = 1000/disp_target_fps;
+
+#define WATERFALL_SIZE 46
+int waterfall[WATERFALL_SIZE];
+int waterfall_head = 0;
+
+int p_ad_x = 0;
+int p_ad_y = 0;
+int p_as_x = 0;
+int p_as_y = 0;
+
+GFXcanvas1 stat_area(64, 64);
+GFXcanvas1 disp_area(64, 64);
+
+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 = 64;
+ } else if (disp_mode == DISP_MODE_LANDSCAPE) {
+ p_ad_x = 0;
+ p_ad_y = 0;
+ p_as_x = 64;
+ p_as_y = 0;
+ }
+}
+
+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);
+ #endif
+
+ if(!display.begin(SSD1306_SWITCHCAPVCC, DISP_ADDR)) {
+ return false;
+ } else {
+ #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);
+ #else
+ disp_mode = DISP_MODE_PORTRAIT;
+ display.setRotation(3);
+ #endif
+
+ // display.dim(true);
+ update_area_positions();
+ for (int i = 0; i < WATERFALL_SIZE; i++) {
+ waterfall[i] = 0;
+ }
+
+ return true;
+ }
+ #else
+ return false;
+ #endif
+}
+
+void draw_cable_icon(int px, int py) {
+ if (cable_state == CABLE_STATE_DISCONNECTED) {
+ stat_area.drawBitmap(px, py, bm_cable+0*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
+ } else if (cable_state == CABLE_STATE_CONNECTED) {
+ stat_area.drawBitmap(px, py, bm_cable+1*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
+ }
+}
+
+void draw_bt_icon(int px, int py) {
+ if (bt_state == BT_STATE_OFF) {
+ stat_area.drawBitmap(px, py, bm_bt+0*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
+ } else if (bt_state == BT_STATE_ON) {
+ stat_area.drawBitmap(px, py, bm_bt+1*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
+ } else if (bt_state == BT_STATE_PAIRING) {
+ stat_area.drawBitmap(px, py, bm_bt+2*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
+ } else if (bt_state == BT_STATE_CONNECTED) {
+ stat_area.drawBitmap(px, py, bm_bt+3*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
+ }
+}
+
+void draw_lora_icon(int px, int py) {
+ if (radio_online) {
+ 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);
+ }
+}
+
+void draw_mw_icon(int px, int py) {
+ if (mw_radio_online) {
+ stat_area.drawBitmap(px, py, bm_rf+3*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
+ } else {
+ stat_area.drawBitmap(px, py, bm_rf+2*32, 16, 16, SSD1306_WHITE, SSD1306_BLACK);
+ }
+}
+
+uint8_t charge_tick = 0;
+void draw_battery_bars(int px, int py) {
+ if (pmu_ready) {
+ 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;
+ }
+
+ stat_area.fillRect(px, py, 14, 3, SSD1306_BLACK);
+ 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);
+ }
+}
+
+#define Q_SNR_MIN -10.0
+#define Q_SNR_MAX 8.0
+#define Q_SNR_SPAN (Q_SNR_MAX-Q_SNR_MIN)
+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 = ((int)snr_int) * 0.25;
+ float quality = ((snr-Q_SNR_MIN)/(Q_SNR_SPAN))*100;
+ if (quality > 100.0) quality = 100.0;
+
+ stat_area.fillRect(px, py, 13, 7, SSD1306_BLACK);
+ // Serial.printf("Last SNR: %.2f\n, quality: %.2f\n", snr, quality);
+ if (quality > 7) stat_area.drawLine(px+0*2, py+7, px+0*2, py+6, SSD1306_WHITE);
+ if (quality > 20) stat_area.drawLine(px+1*2, py+7, px+1*2, py+5, SSD1306_WHITE);
+ if (quality > 33) stat_area.drawLine(px+2*2, py+7, px+2*2, py+4, SSD1306_WHITE);
+ if (quality > 46) stat_area.drawLine(px+3*2, py+7, px+3*2, py+3, SSD1306_WHITE);
+ if (quality > 59) stat_area.drawLine(px+4*2, py+7, px+4*2, py+2, SSD1306_WHITE);
+ if (quality > 72) stat_area.drawLine(px+5*2, py+7, px+5*2, py+1, SSD1306_WHITE);
+ if (quality > 85) stat_area.drawLine(px+6*2, py+7, px+6*2, py+0, SSD1306_WHITE);
+}
+
+#define S_RSSI_MIN -135.0
+#define S_RSSI_MAX -60.0
+#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;
+
+ stat_area.fillRect(px, py, 13, 7, SSD1306_BLACK);
+ // Serial.printf("Last SNR: %.2f\n, quality: %.2f\n", snr, quality);
+ 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);
+}
+
+#define WF_RSSI_MAX -60
+#define WF_RSSI_MIN -135
+#define WF_RSSI_SPAN (WF_RSSI_MAX-WF_RSSI_MIN)
+#define WF_PIXEL_WIDTH 10
+void draw_waterfall(int px, int py) {
+ int rssi_val = current_rssi;
+ 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[waterfall_head++] = rssi_normalised;
+ if (waterfall_head >= WATERFALL_SIZE) waterfall_head = 0;
+
+ stat_area.fillRect(px,py,WF_PIXEL_WIDTH, WATERFALL_SIZE, SSD1306_BLACK);
+ for (int i = 0; i < WATERFALL_SIZE; i++){
+ int wi = (waterfall_head+i)%WATERFALL_SIZE;
+ int ws = waterfall[wi];
+ if (ws > 0) {
+ stat_area.drawLine(px, py+i, px+ws-1, py+i, SSD1306_WHITE);
+ }
+ }
+}
+
+bool stat_area_intialised = false;
+void draw_stat_area() {
+ if (!stat_area_intialised) {
+ stat_area.drawBitmap(0, 0, bm_frame, 64, 64, SSD1306_WHITE, SSD1306_BLACK);
+ stat_area_intialised = true;
+ }
+
+ draw_cable_icon(3, 8);
+ draw_bt_icon(3, 30);
+ draw_lora_icon(45, 8);
+ draw_mw_icon(45, 30);
+ draw_battery_bars(4, 58);
+ if (radio_online) {
+ draw_quality_bars(28, 56);
+ draw_signal_bars(44, 56);
+ draw_waterfall(27, 4);
+ }
+}
+
+void update_stat_area() {
+ draw_stat_area();
+ display.drawBitmap(p_as_x, p_as_y, stat_area.getBuffer(), stat_area.width(), stat_area.height(), SSD1306_WHITE, SSD1306_BLACK);
+}
+
+void draw_disp_area() {
+ if (!disp_ext_fb) {
+ disp_area.drawBitmap(0, 0, bm_def, disp_area.width(), disp_area.height(), SSD1306_WHITE, SSD1306_BLACK);
+ } else {
+ disp_area.drawBitmap(0, 0, fb, disp_area.width(), disp_area.height(), SSD1306_WHITE, SSD1306_BLACK);
+ }
+}
+
+void update_disp_area() {
+ draw_disp_area();
+ display.drawBitmap(p_ad_x, p_ad_y, disp_area.getBuffer(), disp_area.width(), disp_area.height(), SSD1306_WHITE, SSD1306_BLACK);
+}
+
+void update_display() {
+ if (millis()-last_disp_update >= disp_update_interval) {
+ display.clearDisplay();
+ update_stat_area();
+ update_disp_area();
+ display.display();
+ last_disp_update = millis();
+ }
+}
+
+void ext_fb_enable() {
+ disp_ext_fb = true;
+}
+
+void ext_fb_disable() {
+ disp_ext_fb = false;
+}
projects / lora-radio.git / commitdiff