Modern UI: antialiased DejaVu fonts, color-coded assets, proper RGB565 colors
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Chad
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2 changed files with 417 additions and 375 deletions
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docs/README.md
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docs/README.md
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# Bitcoin Dashboard for Elecrow 7-inch HMI Display
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A real-time financial dashboard displaying cryptocurrency, precious metals, stocks, and market indices on the Elecrow 7.0-inch ESP32 HMI Display.
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## Hardware
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- **Display**: Elecrow 7.0-inch ESP32 HMI Display (Advance series)
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- **Resolution**: 800x480 RGB parallel interface
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- **Touch**: GT911 capacitive touch controller
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- **MCU**: ESP32-S3 with N4R8 module (4MB Flash, 8MB PSRAM)
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## Features
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- Real-time price data from Yahoo Finance API
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- Auto-refresh every 5 minutes
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- Touch to manual refresh
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- WiFi credentials stored in persistent memory
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- Antialiased fonts (DejaVu family)
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## Displayed Assets
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| Column | Assets |
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|--------|--------|
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| Hard Money | Bitcoin (BTC/USD), Gold, Silver |
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| Stocks | MSTR, STRC |
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| Indices | NASDAQ, DOW, S&P 500 |
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## Color Scheme
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| Asset | Color | Hex |
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|-------|-------|-----|
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| Bitcoin | Orange | `#F7931A` |
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| Gold | Gold | `#FFD700` |
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| Silver | Silver | `#C0C0C0` |
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| Stocks/Indices | Dollar Green | `#00A86B` |
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| Status Bar | Bitcoin Orange | `#F7931A` |
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## Software Stack
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- **Framework**: Arduino (PlatformIO)
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- **Display Library**: LovyanGFX v1.2.19
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- **Fonts**: DejaVu (antialiased)
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## Building
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```bash
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cd /home/chad/Documents/PlatformIO/Projects/bitcoin_dashboard
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pio run -t upload
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```
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## PlatformIO Configuration
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- **Platform**: espressif32@6.8.1
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- **Board**: esp32-s3-devkitc-1
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- **Partition**: huge_app.csv (3MB app, no OTA)
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- **Flash Mode**: QIO @ 80MHz
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- **PSRAM**: OPI (8MB)
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## Data Source
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Yahoo Finance API:
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```
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https://query1.finance.yahoo.com/v8/finance/chart/{SYMBOL}?interval=1d&range=1d
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```
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### Symbol Mapping
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| Display | Yahoo Symbol |
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|---------|--------------|
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| Bitcoin | BTC-USD |
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| Gold | GC=F |
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| Silver | SI=F |
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| MSTR | MSTR |
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| STRC | STRC |
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| NASDAQ | ^IXIC |
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| DOW | ^DJI |
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| S&P 500 | ^GSPC |
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## Pin Configuration
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### RGB Display Interface
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| Signal | GPIO |
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|--------|------|
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| D0-D15 | 15, 7, 6, 5, 4, 9, 46, 3, 8, 16, 1, 14, 21, 47, 48, 45 |
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| HSYNC | GPIO 39 |
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| VSYNC | GPIO 40 |
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| DE | GPIO 41 |
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| PCLK | GPIO 0 |
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| Backlight | GPIO 2 |
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### Touch Controller (GT911)
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| Signal | GPIO |
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|--------|------|
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| SDA | GPIO 19 |
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| SCL | GPIO 20 |
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| I2C Address | 0x14 |
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## WiFi Setup
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WiFi credentials are stored in ESP32 preferences (persistent storage):
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```cpp
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preferences.begin("wifi", true);
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preferences.putString("ssid", "your_ssid");
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preferences.putString("password", "your_password");
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preferences.end();
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```
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## Project Structure
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```
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bitcoin_dashboard/
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├── src/
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│ └── main.cpp # Main application
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├── docs/
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│ └── README.md # This file
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├── platformio.ini # PlatformIO configuration
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└── .gitignore
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```
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## License
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MIT
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667
src/main.cpp
667
src/main.cpp
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@ -1,6 +1,6 @@
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/**
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* Bitcoin Dashboard for Elecrow 7-inch HMI Display
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* Simplified version with better WiFi/API debugging
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* Three-column layout with antialiased fonts
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*/
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#include <Arduino.h>
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@ -16,412 +16,329 @@
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#define SCREEN_WIDTH 800
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#define SCREEN_HEIGHT 480
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#define TFT_WHITE 0xFFFF
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#define TFT_BLACK 0x0000
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#define TFT_RED 0xF800
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#define TFT_GREEN 0x07E0
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#define TFT_BLUE 0x001F
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#define TFT_ORANGE 0xFD40
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#define TFT_GRAY 0x7BEF
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#define TFT_WHITE 0xFFFF
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#define TFT_BLACK 0x0000
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#define TFT_ORANGE 0xFD20
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#define TFT_GOLD 0xFEA0
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#define TFT_SILVER 0xC618
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#define TFT_GREEN 0x07E0
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class LGFX : public lgfx::LGFX_Device {
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public:
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lgfx::Bus_RGB _bus_instance;
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lgfx::Panel_RGB _panel_instance;
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lgfx::Light_PWM _light_instance;
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lgfx::Touch_GT911 _touch_instance;
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lgfx::Bus_RGB _bus_instance;
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lgfx::Panel_RGB _panel_instance;
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lgfx::Light_PWM _light_instance;
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lgfx::Touch_GT911 _touch_instance;
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LGFX(void) {
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{
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auto cfg = _panel_instance.config();
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cfg.memory_width = 800;
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cfg.memory_height = 480;
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cfg.panel_width = 800;
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cfg.panel_height = 480;
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cfg.offset_x = 0;
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cfg.offset_y = 0;
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_panel_instance.config(cfg);
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}
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{
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auto cfg = _bus_instance.config();
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cfg.panel = &_panel_instance;
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cfg.pin_d0 = GPIO_NUM_15;
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cfg.pin_d1 = GPIO_NUM_7;
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cfg.pin_d2 = GPIO_NUM_6;
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cfg.pin_d3 = GPIO_NUM_5;
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cfg.pin_d4 = GPIO_NUM_4;
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cfg.pin_d5 = GPIO_NUM_9;
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cfg.pin_d6 = GPIO_NUM_46;
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cfg.pin_d7 = GPIO_NUM_3;
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cfg.pin_d8 = GPIO_NUM_8;
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cfg.pin_d9 = GPIO_NUM_16;
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cfg.pin_d10 = GPIO_NUM_1;
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cfg.pin_d11 = GPIO_NUM_14;
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cfg.pin_d12 = GPIO_NUM_21;
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cfg.pin_d13 = GPIO_NUM_47;
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cfg.pin_d14 = GPIO_NUM_48;
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cfg.pin_d15 = GPIO_NUM_45;
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cfg.pin_henable = GPIO_NUM_41;
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cfg.pin_vsync = GPIO_NUM_40;
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cfg.pin_hsync = GPIO_NUM_39;
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cfg.pin_pclk = GPIO_NUM_0;
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cfg.freq_write = 12000000;
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cfg.hsync_polarity = 0;
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cfg.hsync_front_porch = 40;
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cfg.hsync_pulse_width = 48;
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cfg.hsync_back_porch = 40;
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cfg.vsync_polarity = 0;
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cfg.vsync_front_porch = 1;
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cfg.vsync_pulse_width = 31;
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cfg.vsync_back_porch = 13;
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cfg.pclk_active_neg = 1;
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cfg.de_idle_high = 0;
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cfg.pclk_idle_high = 0;
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_bus_instance.config(cfg);
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}
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_panel_instance.setBus(&_bus_instance);
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{
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auto cfg = _light_instance.config();
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cfg.pin_bl = GPIO_NUM_2;
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_light_instance.config(cfg);
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}
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_panel_instance.light(&_light_instance);
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{
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auto cfg = _touch_instance.config();
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cfg.x_min = 0;
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cfg.x_max = 799;
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cfg.y_min = 0;
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cfg.y_max = 479;
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cfg.pin_int = -1;
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cfg.pin_rst = -1;
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cfg.bus_shared = false;
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cfg.offset_rotation = 0;
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cfg.i2c_port = I2C_NUM_1;
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cfg.pin_sda = GPIO_NUM_19;
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cfg.pin_scl = GPIO_NUM_20;
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cfg.freq = 400000;
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cfg.i2c_addr = 0x14;
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_touch_instance.config(cfg);
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_panel_instance.setTouch(&_touch_instance);
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}
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setPanel(&_panel_instance);
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LGFX(void) {
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{
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auto cfg = _panel_instance.config();
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cfg.memory_width = 800;
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cfg.memory_height = 480;
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cfg.panel_width = 800;
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cfg.panel_height = 480;
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cfg.offset_x = 0;
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cfg.offset_y = 0;
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_panel_instance.config(cfg);
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}
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{
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auto cfg = _bus_instance.config();
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cfg.panel = &_panel_instance;
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cfg.pin_d0 = GPIO_NUM_15;
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cfg.pin_d1 = GPIO_NUM_7;
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cfg.pin_d2 = GPIO_NUM_6;
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cfg.pin_d3 = GPIO_NUM_5;
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cfg.pin_d4 = GPIO_NUM_4;
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cfg.pin_d5 = GPIO_NUM_9;
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cfg.pin_d6 = GPIO_NUM_46;
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cfg.pin_d7 = GPIO_NUM_3;
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cfg.pin_d8 = GPIO_NUM_8;
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cfg.pin_d9 = GPIO_NUM_16;
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cfg.pin_d10 = GPIO_NUM_1;
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cfg.pin_d11 = GPIO_NUM_14;
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cfg.pin_d12 = GPIO_NUM_21;
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cfg.pin_d13 = GPIO_NUM_47;
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cfg.pin_d14 = GPIO_NUM_48;
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cfg.pin_d15 = GPIO_NUM_45;
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cfg.pin_henable = GPIO_NUM_41;
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cfg.pin_vsync = GPIO_NUM_40;
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cfg.pin_hsync = GPIO_NUM_39;
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cfg.pin_pclk = GPIO_NUM_0;
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cfg.freq_write = 12000000;
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cfg.hsync_polarity = 0;
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cfg.hsync_front_porch = 40;
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cfg.hsync_pulse_width = 48;
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cfg.hsync_back_porch = 40;
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cfg.vsync_polarity = 0;
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cfg.vsync_front_porch = 1;
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cfg.vsync_pulse_width = 31;
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cfg.vsync_back_porch = 13;
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cfg.pclk_active_neg = 1;
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cfg.de_idle_high = 0;
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cfg.pclk_idle_high = 0;
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_bus_instance.config(cfg);
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}
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_panel_instance.setBus(&_bus_instance);
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{
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auto cfg = _light_instance.config();
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cfg.pin_bl = GPIO_NUM_2;
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_light_instance.config(cfg);
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}
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_panel_instance.light(&_light_instance);
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{
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auto cfg = _touch_instance.config();
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cfg.x_min = 0;
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cfg.x_max = 799;
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cfg.y_min = 0;
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cfg.y_max = 479;
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cfg.pin_int = -1;
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cfg.pin_rst = -1;
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cfg.bus_shared = false;
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cfg.offset_rotation = 0;
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cfg.i2c_port = I2C_NUM_1;
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cfg.pin_sda = GPIO_NUM_19;
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cfg.pin_scl = GPIO_NUM_20;
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cfg.freq = 400000;
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cfg.i2c_addr = 0x14;
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_touch_instance.config(cfg);
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_panel_instance.setTouch(&_touch_instance);
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}
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setPanel(&_panel_instance);
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}
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};
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static LGFX lcd;
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static Preferences preferences;
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// Price data
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double btcPrice = 0;
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double goldPrice = 0;
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double silverPrice = 0;
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double mstrPrice = 0;
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double strtPrice = 0;
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double nasdaqPrice = 0;
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double dowPrice = 0;
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double spxPrice = 0;
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double btcPrice = 0, goldPrice = 0, silverPrice = 0;
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double mstrPrice = 0, strtPrice = 0;
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double nasdaqPrice = 0, dowPrice = 0, spxPrice = 0;
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unsigned long lastRefresh = 0;
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const unsigned long REFRESH_INTERVAL = 300000;
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// Format price with US-style commas (e.g., 66,647.29)
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String formatPriceUS(double price, int decimals = 2, bool includeDollar = true) {
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if (price <= 0) return "...";
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// Build the number string
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String result = "";
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// Handle the integer part with commas
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long longPrice = (long)price;
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String intStr = String(longPrice);
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int len = intStr.length();
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int commaPos = len % 3;
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for (int i = 0; i < len; i++) {
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if (i > 0 && (i - (len % 3)) % 3 == 0 && (len % 3 != 0 || i > 0)) {
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result += ",";
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} else if (len % 3 == 0 && i > 0 && i % 3 == 0) {
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result += ",";
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}
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result += intStr[i];
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if (price <= 0) return "...";
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String result = "";
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long longPrice = (long)price;
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String intStr = String(longPrice);
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int len = intStr.length();
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for (int i = 0; i < len; i++) {
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if (i > 0 && (len - i) % 3 == 0) {
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result += ",";
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}
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// Add decimals if needed
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if (decimals > 0) {
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result += ".";
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double frac = price - longPrice;
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for (int d = 0; d < decimals; d++) {
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frac *= 10;
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}
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long fracLong = (long)(frac + 0.5); // Round
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String fracStr = String(fracLong);
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while (fracStr.length() < decimals) {
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fracStr = "0" + fracStr;
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}
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result += fracStr;
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}
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if (includeDollar) {
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return "$" + result;
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}
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return result;
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result += intStr[i];
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}
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if (decimals > 0) {
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result += ".";
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double frac = price - longPrice;
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for (int d = 0; d < decimals; d++) frac *= 10;
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long fracLong = (long)(frac + 0.5);
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String fracStr = String(fracLong);
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while (fracStr.length() < decimals) fracStr = "0" + fracStr;
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result += fracStr;
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}
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return includeDollar ? "$" + result : result;
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}
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bool fetchPrice(const char* symbol, double* result) {
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WiFiClientSecure client;
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client.setInsecure();
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HTTPClient http;
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String url = "https://query1.finance.yahoo.com/v8/finance/chart/" + String(symbol) + "?interval=1d&range=1d";
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Serial.println("Fetching: " + String(symbol));
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Serial.println("URL: " + url);
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if (!http.begin(client, url)) {
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Serial.println("HTTP begin failed");
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return false;
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}
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http.setUserAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36");
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http.setTimeout(15000);
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int httpCode = http.GET();
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Serial.println("HTTP code: " + String(httpCode));
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if (httpCode != HTTP_CODE_OK) {
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Serial.println("HTTP error: " + http.errorToString(httpCode));
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http.end();
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return false;
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}
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String payload = http.getString();
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WiFiClientSecure client;
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client.setInsecure();
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HTTPClient http;
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String url = "https://query1.finance.yahoo.com/v8/finance/chart/" + String(symbol) + "?interval=1d&range=1d";
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if (!http.begin(client, url)) return false;
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http.setUserAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36");
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http.setTimeout(15000);
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int httpCode = http.GET();
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if (httpCode != HTTP_CODE_OK) {
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http.end();
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Serial.println("Response length: " + String(payload.length()));
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// Parse regularMarketPrice from meta section
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// Format: "regularMarketPrice":66647.29
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String searchStr = "\"regularMarketPrice\":";
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int idx = payload.indexOf(searchStr);
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if (idx == -1) {
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Serial.println("regularMarketPrice not found");
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return false;
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}
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int start = idx + searchStr.length();
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int end = payload.indexOf(",", start);
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if (end == -1) end = payload.indexOf("}", start);
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if (end <= start) {
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Serial.println("Could not find end of price");
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return false;
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}
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String priceStr = payload.substring(start, end);
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Serial.println("Price string: " + priceStr);
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*result = priceStr.toDouble();
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Serial.println("Parsed: " + String(*result));
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return true;
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return false;
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}
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String payload = http.getString();
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http.end();
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String searchStr = "\"regularMarketPrice\":";
|
||||
int idx = payload.indexOf(searchStr);
|
||||
if (idx == -1) return false;
|
||||
|
||||
int start = idx + searchStr.length();
|
||||
int end = payload.indexOf(",", start);
|
||||
if (end == -1) end = payload.indexOf("}", start);
|
||||
if (end <= start) return false;
|
||||
|
||||
String priceStr = payload.substring(start, end);
|
||||
*result = priceStr.toDouble();
|
||||
return true;
|
||||
}
|
||||
|
||||
void updatePrices() {
|
||||
Serial.println("\n=== Updating prices ===");
|
||||
Serial.println("WiFi status: " + String(WiFi.status()));
|
||||
Serial.println("WiFi connected: " + String(WiFi.status() == WL_CONNECTED ? "YES" : "NO"));
|
||||
|
||||
if (WiFi.status() != WL_CONNECTED) {
|
||||
Serial.println("WiFi not connected, skipping update");
|
||||
return;
|
||||
}
|
||||
|
||||
Serial.println("IP: " + WiFi.localIP().toString());
|
||||
|
||||
fetchPrice("BTC-USD", &btcPrice);
|
||||
fetchPrice("GC=F", &goldPrice);
|
||||
fetchPrice("SI=F", &silverPrice);
|
||||
fetchPrice("MSTR", &mstrPrice);
|
||||
fetchPrice("STRC", &strtPrice);
|
||||
fetchPrice("^IXIC", &nasdaqPrice);
|
||||
fetchPrice("^DJI", &dowPrice);
|
||||
fetchPrice("^GSPC", &spxPrice);
|
||||
|
||||
Serial.println("=== Update complete ===\n");
|
||||
if (WiFi.status() != WL_CONNECTED) return;
|
||||
fetchPrice("BTC-USD", &btcPrice);
|
||||
fetchPrice("GC=F", &goldPrice);
|
||||
fetchPrice("SI=F", &silverPrice);
|
||||
fetchPrice("MSTR", &mstrPrice);
|
||||
fetchPrice("STRC", &strtPrice);
|
||||
fetchPrice("^IXIC", &nasdaqPrice);
|
||||
fetchPrice("^DJI", &dowPrice);
|
||||
fetchPrice("^GSPC", &spxPrice);
|
||||
}
|
||||
|
||||
void drawDashboard() {
|
||||
lcd.fillScreen(TFT_BLACK);
|
||||
|
||||
// Title bar
|
||||
lcd.fillRect(0, 0, SCREEN_WIDTH, 45, TFT_ORANGE);
|
||||
lcd.setTextColor(TFT_BLACK, TFT_ORANGE);
|
||||
lcd.setTextSize(3);
|
||||
lcd.setTextDatum(textdatum_t::middle_center);
|
||||
lcd.drawString("BITCOIN DASHBOARD", SCREEN_WIDTH / 2, 22);
|
||||
|
||||
// Column positions
|
||||
int col1X = 20;
|
||||
int col2X = 280;
|
||||
int col3X = 540;
|
||||
int startY = 60;
|
||||
|
||||
// Column separators
|
||||
lcd.drawLine(265, startY, 265, SCREEN_HEIGHT - 35, TFT_GRAY);
|
||||
lcd.drawLine(525, startY, 525, SCREEN_HEIGHT - 35, TFT_GRAY);
|
||||
|
||||
// Column 1: HARD MONEY
|
||||
lcd.setTextColor(TFT_ORANGE, TFT_BLACK);
|
||||
lcd.setTextSize(2);
|
||||
lcd.setTextDatum(textdatum_t::top_left);
|
||||
lcd.drawString("HARD MONEY", col1X, startY);
|
||||
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.drawString("Bitcoin:", col1X, startY + 35);
|
||||
lcd.drawString(formatPriceUS(btcPrice, 0, true), col1X, startY + 60);
|
||||
|
||||
lcd.drawString("Gold:", col1X, startY + 95);
|
||||
lcd.drawString(formatPriceUS(goldPrice, 2, true), col1X, startY + 120);
|
||||
|
||||
lcd.drawString("Silver:", col1X, startY + 155);
|
||||
lcd.drawString(formatPriceUS(silverPrice, 2, true), col1X, startY + 180);
|
||||
|
||||
// Column 2: STOCKS
|
||||
lcd.setTextColor(TFT_ORANGE, TFT_BLACK);
|
||||
lcd.drawString("STOCKS", col2X, startY);
|
||||
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.drawString("MSTR:", col2X, startY + 35);
|
||||
lcd.drawString(formatPriceUS(mstrPrice, 2, true), col2X, startY + 60);
|
||||
|
||||
lcd.drawString("STRC:", col2X, startY + 95);
|
||||
lcd.drawString(formatPriceUS(strtPrice, 2, true), col2X, startY + 120);
|
||||
|
||||
// Column 3: INDICES
|
||||
lcd.setTextColor(TFT_ORANGE, TFT_BLACK);
|
||||
lcd.drawString("INDICES", col3X, startY);
|
||||
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.drawString("NASDAQ:", col3X, startY + 35);
|
||||
lcd.drawString(formatPriceUS(nasdaqPrice, 2, true), col3X, startY + 60);
|
||||
|
||||
lcd.drawString("DOW:", col3X, startY + 95);
|
||||
lcd.drawString(formatPriceUS(dowPrice, 2, true), col3X, startY + 120);
|
||||
|
||||
lcd.drawString("SPX:", col3X, startY + 155);
|
||||
lcd.drawString(formatPriceUS(spxPrice, 2, true), col3X, startY + 180);
|
||||
|
||||
// Status bar
|
||||
lcd.fillRect(0, SCREEN_HEIGHT - 30, SCREEN_WIDTH, 30, TFT_GRAY);
|
||||
lcd.setTextColor(TFT_BLACK, TFT_GRAY);
|
||||
lcd.setTextSize(1);
|
||||
lcd.setTextDatum(textdatum_t::middle_left);
|
||||
|
||||
String wifiStatus = WiFi.status() == WL_CONNECTED ? "Connected" : "DISCONNECTED";
|
||||
lcd.drawString("WiFi: " + wifiStatus, 10, SCREEN_HEIGHT - 15);
|
||||
lcd.setTextDatum(textdatum_t::middle_center);
|
||||
lcd.drawString("TOUCH TO REFRESH", SCREEN_WIDTH / 2, SCREEN_HEIGHT - 15);
|
||||
lcd.fillScreen(TFT_BLACK);
|
||||
|
||||
int col1X = 20;
|
||||
int col2X = 280;
|
||||
int col3X = 540;
|
||||
int startY = 20;
|
||||
|
||||
lcd.setFont(&fonts::DejaVu18);
|
||||
lcd.setTextDatum(textdatum_t::top_left);
|
||||
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.drawString("HARD MONEY", col1X, startY);
|
||||
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.drawString("STOCKS", col2X, startY);
|
||||
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.drawString("INDICES", col3X, startY);
|
||||
|
||||
int labelY = startY + 40;
|
||||
int priceY = labelY + 28;
|
||||
|
||||
lcd.setTextColor(TFT_ORANGE, TFT_BLACK);
|
||||
lcd.setFont(&fonts::DejaVu18);
|
||||
lcd.drawString("Bitcoin:", col1X, labelY);
|
||||
lcd.drawString(formatPriceUS(btcPrice, 0), col1X, priceY);
|
||||
|
||||
lcd.setTextColor(TFT_GOLD, TFT_BLACK);
|
||||
lcd.drawString("Gold:", col1X, labelY + 60);
|
||||
lcd.drawString(formatPriceUS(goldPrice, 2), col1X, priceY + 60);
|
||||
|
||||
lcd.setTextColor(TFT_SILVER, TFT_BLACK);
|
||||
lcd.drawString("Silver:", col1X, labelY + 120);
|
||||
lcd.drawString(formatPriceUS(silverPrice, 2), col1X, priceY + 120);
|
||||
|
||||
lcd.setTextColor(TFT_GREEN, TFT_BLACK);
|
||||
lcd.drawString("MSTR:", col2X, labelY);
|
||||
lcd.drawString(formatPriceUS(mstrPrice, 2), col2X, priceY);
|
||||
|
||||
lcd.drawString("STRC:", col2X, labelY + 60);
|
||||
lcd.drawString(formatPriceUS(strtPrice, 2), col2X, priceY + 60);
|
||||
|
||||
lcd.drawString("NASDAQ:", col3X, labelY);
|
||||
lcd.drawString(formatPriceUS(nasdaqPrice, 2), col3X, priceY);
|
||||
|
||||
lcd.drawString("DOW:", col3X, labelY + 60);
|
||||
lcd.drawString(formatPriceUS(dowPrice, 2), col3X, priceY + 60);
|
||||
|
||||
lcd.drawString("SPX:", col3X, labelY + 120);
|
||||
lcd.drawString(formatPriceUS(spxPrice, 2), col3X, priceY + 120);
|
||||
|
||||
lcd.fillSmoothRoundRect(0, SCREEN_HEIGHT - 35, SCREEN_WIDTH, 35, 6, TFT_ORANGE);
|
||||
lcd.setTextColor(TFT_WHITE, TFT_ORANGE);
|
||||
lcd.setFont(&fonts::DejaVu12);
|
||||
lcd.setTextDatum(textdatum_t::middle_left);
|
||||
String wifiStatus = WiFi.status() == WL_CONNECTED ? "Connected" : "DISCONNECTED";
|
||||
lcd.drawString("WiFi: " + wifiStatus, 15, SCREEN_HEIGHT - 17);
|
||||
lcd.setTextDatum(textdatum_t::middle_center);
|
||||
lcd.drawString("TOUCH TO REFRESH", SCREEN_WIDTH / 2, SCREEN_HEIGHT - 17);
|
||||
}
|
||||
|
||||
void setup() {
|
||||
Serial.begin(115200);
|
||||
delay(3000);
|
||||
|
||||
Serial.println("\n\n=== STARTING ===");
|
||||
|
||||
lcd.init();
|
||||
lcd.setBrightness(255);
|
||||
lcd.setRotation(0);
|
||||
|
||||
lcd.fillScreen(TFT_WHITE);
|
||||
delay(250);
|
||||
lcd.fillScreen(TFT_RED);
|
||||
delay(250);
|
||||
lcd.fillScreen(TFT_GREEN);
|
||||
delay(250);
|
||||
lcd.fillScreen(TFT_BLUE);
|
||||
delay(250);
|
||||
lcd.fillScreen(TFT_BLACK);
|
||||
|
||||
lcd.setTextSize(2);
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.setTextDatum(textdatum_t::middle_center);
|
||||
lcd.drawString("Bitcoin Dashboard", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 - 40);
|
||||
lcd.drawString("Starting...", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2);
|
||||
|
||||
// Load WiFi credentials
|
||||
preferences.begin("wifi", true);
|
||||
String ssid = preferences.getString("ssid", "");
|
||||
String pass = preferences.getString("password", "");
|
||||
preferences.end();
|
||||
|
||||
if (ssid.length() > 0) {
|
||||
Serial.println("Connecting to WiFi: " + ssid);
|
||||
lcd.drawString("WiFi: " + ssid, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 40);
|
||||
|
||||
WiFi.mode(WIFI_STA);
|
||||
WiFi.begin(ssid.c_str(), pass.c_str());
|
||||
|
||||
int attempts = 0;
|
||||
while (WiFi.status() != WL_CONNECTED && attempts < 60) {
|
||||
delay(500);
|
||||
Serial.print(".");
|
||||
attempts++;
|
||||
}
|
||||
Serial.println();
|
||||
|
||||
if (WiFi.status() == WL_CONNECTED) {
|
||||
Serial.println("WiFi connected!");
|
||||
Serial.println("IP: " + WiFi.localIP().toString());
|
||||
lcd.drawString("Connected! IP:", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 80);
|
||||
lcd.drawString(WiFi.localIP().toString(), SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 110);
|
||||
|
||||
delay(1000);
|
||||
updatePrices();
|
||||
lastRefresh = millis();
|
||||
drawDashboard();
|
||||
return;
|
||||
}
|
||||
|
||||
Serial.println("WiFi connection failed");
|
||||
lcd.drawString("WiFi failed", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 80);
|
||||
delay(2000);
|
||||
Serial.begin(115200);
|
||||
delay(3000);
|
||||
|
||||
lcd.init();
|
||||
lcd.setBrightness(255);
|
||||
lcd.setRotation(0);
|
||||
|
||||
lcd.fillScreen(TFT_WHITE);
|
||||
delay(250);
|
||||
lcd.fillScreen(TFT_ORANGE);
|
||||
delay(250);
|
||||
lcd.fillScreen(TFT_BLACK);
|
||||
delay(250);
|
||||
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.setFont(&fonts::DejaVu24);
|
||||
lcd.setTextDatum(textdatum_t::middle_center);
|
||||
lcd.drawString("Bitcoin Dashboard", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 - 40);
|
||||
lcd.setFont(&fonts::DejaVu18);
|
||||
lcd.drawString("Starting...", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2);
|
||||
|
||||
preferences.begin("wifi", true);
|
||||
String ssid = preferences.getString("ssid", "");
|
||||
String pass = preferences.getString("password", "");
|
||||
preferences.end();
|
||||
|
||||
if (ssid.length() > 0) {
|
||||
lcd.setFont(&fonts::DejaVu18);
|
||||
lcd.drawString("WiFi: " + ssid, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 40);
|
||||
|
||||
WiFi.mode(WIFI_STA);
|
||||
WiFi.begin(ssid.c_str(), pass.c_str());
|
||||
|
||||
int attempts = 0;
|
||||
while (WiFi.status() != WL_CONNECTED && attempts < 60) {
|
||||
delay(500);
|
||||
Serial.print(".");
|
||||
attempts++;
|
||||
}
|
||||
|
||||
// Show WiFi setup screen
|
||||
lcd.drawString("No WiFi configured", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 40);
|
||||
|
||||
if (WiFi.status() == WL_CONNECTED) {
|
||||
lcd.drawString("Connected! IP:", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 80);
|
||||
lcd.setFont(&fonts::DejaVu12);
|
||||
lcd.drawString(WiFi.localIP().toString(), SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 110);
|
||||
|
||||
delay(1000);
|
||||
updatePrices();
|
||||
lastRefresh = millis();
|
||||
drawDashboard();
|
||||
return;
|
||||
}
|
||||
|
||||
lcd.drawString("WiFi failed", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 + 80);
|
||||
delay(2000);
|
||||
drawDashboard();
|
||||
}
|
||||
|
||||
drawDashboard();
|
||||
}
|
||||
|
||||
void loop() {
|
||||
int32_t x, y;
|
||||
|
||||
if (lcd.getTouch(&x, &y)) {
|
||||
Serial.println("Touch detected - refreshing...");
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.setTextSize(2);
|
||||
lcd.setTextDatum(textdatum_t::middle_center);
|
||||
lcd.fillRect(0, SCREEN_HEIGHT / 2 - 20, SCREEN_WIDTH, 40, TFT_BLACK);
|
||||
lcd.drawString("Refreshing...", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2);
|
||||
|
||||
updatePrices();
|
||||
lastRefresh = millis();
|
||||
drawDashboard();
|
||||
|
||||
delay(500);
|
||||
}
|
||||
|
||||
// Auto-refresh every 5 minutes
|
||||
if (millis() - lastRefresh > REFRESH_INTERVAL) {
|
||||
updatePrices();
|
||||
lastRefresh = millis();
|
||||
drawDashboard();
|
||||
}
|
||||
|
||||
delay(100);
|
||||
int32_t x, y;
|
||||
|
||||
if (lcd.getTouch(&x, &y)) {
|
||||
lcd.setTextColor(TFT_WHITE, TFT_BLACK);
|
||||
lcd.setFont(&fonts::DejaVu24);
|
||||
lcd.setTextDatum(textdatum_t::middle_center);
|
||||
lcd.fillRect(0, SCREEN_HEIGHT / 2 - 20, SCREEN_WIDTH, 40, TFT_BLACK);
|
||||
lcd.drawString("Refreshing...", SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2);
|
||||
|
||||
updatePrices();
|
||||
lastRefresh = millis();
|
||||
drawDashboard();
|
||||
|
||||
delay(500);
|
||||
}
|
||||
|
||||
if (millis() - lastRefresh > REFRESH_INTERVAL) {
|
||||
updatePrices();
|
||||
lastRefresh = millis();
|
||||
drawDashboard();
|
||||
}
|
||||
|
||||
delay(100);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue