add receaver lat/lon

src/main.cpp

@@ -1,9 +1,15 @@
 #include "../res/station.h"
+#include "core/color.h"
+#include "core/config.hpp"
 #include "core/const.hpp"
 #include "hal/draw.hpp"
 #include "hal/hal.hpp"
+#include "hal/net.hpp"
+#include "nlohmann/json_fwd.hpp"
 #include <cstdint>
 #include <cstdio>
+#include <format>
+#include <iostream>
 
 int main() {
   if (hal::init() != 0) {
@@ -11,11 +17,27 @@ int main() {
   }
   const auto [screen_w, screen_h] = hal::get_screen_size();
 
-  const float pixels_per_km = static_cast<float>(screen_h > screen_w ? screen_w : screen_h) / (max_range*2);
+  const float pixels_per_km =
+      static_cast<float>(screen_h > screen_w ? screen_w : screen_h) /
+      (max_range * 2);
   bool odd_even = true;
 
   const uint16_t middle_x = (screen_w / 2);
   const uint16_t middle_y = (screen_h / 2);
+  float receiver_lat;
+  float receiver_lon;
+  {
+    nlohmann::json receiver =
+        net::http_get_json(std::format("{}/receiver.json", base_url));
+    try {
+      receiver_lat = receiver["lat"].get<float>();
+      receiver_lon = receiver["lon"].get<float>();
+    } catch (...) {
+      receiver_lat = FALLBACK_LAT;
+      receiver_lon = FALLBACK_LON;
+      std::cerr << BLUE "[INFO]" RESET " using fallback lat/lon\n";
+    }
+  }
 
   while (true) {
     hal::start_frame();
@@ -28,15 +50,15 @@ int main() {
     }
 
     { // draw station
-      
+
       uint16_t y = middle_y - STATION_HEIGHT / 2;
       for (uint8_t i = 0; i < STATION_HEIGHT; i++) {
         uint16_t x = middle_x - STATION_WIDTH / 2;
         for (uint8_t j = 0; j < STATION_WIDTH; j++) {
           uint8_t byte = station[i * STATION_BYTES_PER_ROW + j / 8];
 
-          if((byte >> (7 - (j % 8))) & 1) {
-                draw::pixel(x, y, {0xff,0xff,0xff});
+          if ((byte >> (7 - (j % 8))) & 1) {
+            draw::pixel(x, y, {0xff, 0xff, 0xff});
           }
           x++;
         }
@@ -44,13 +66,12 @@ int main() {
       }
     }
 
-    { // draw rings 
-        for(uint16_t r = first_ring_distance; r <= max_range; r *=2) {
-          draw::circle(middle_x, middle_y, r*pixels_per_km, {0xff,0xff,0xff});
-        }
+    { // draw rings
+      for (uint16_t r = first_ring_distance; r <= max_range; r *= 2) {
+        draw::circle(middle_x, middle_y, r * pixels_per_km, {0xff, 0xff, 0xff});
+      }
     }
 
-
     hal::end_frame();
   }
 }