Implemented extracting required information form NFC pyload bytes
This commit is contained in:
+1
-1
@@ -5,7 +5,7 @@
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"parts": [
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"parts": [
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{ "type": "board-esp32-s3-devkitc-1", "id": "esp1", "top": 67.2, "left": -263.96, "attrs": {} },
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{ "type": "board-esp32-s3-devkitc-1", "id": "esp1", "top": 67.2, "left": -263.96, "attrs": {} },
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{
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{
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"type": "board-ili9341-cap-touch",
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"type": "wokwi-ili9341",
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"id": "lcd1",
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"id": "lcd1",
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"top": -191.24,
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"top": -191.24,
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"left": -0.38,
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"left": -0.38,
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+318
-2
@@ -7,10 +7,12 @@
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)]
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)]
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#![deny(clippy::large_stack_frames)]
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#![deny(clippy::large_stack_frames)]
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use alloc::{format, string::{String, ToString}};
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use embassy_executor::Spawner;
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use embassy_executor::Spawner;
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use embassy_time::Timer;
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use embassy_time::Timer;
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use display_interface_spi::SPIInterface;
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use display_interface_spi::SPIInterface;
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use embedded_graphics::Drawable;
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use embedded_graphics::Drawable;
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use embedded_graphics::Pixel;
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use embedded_graphics::mono_font::MonoTextStyle;
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use embedded_graphics::mono_font::MonoTextStyle;
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use embedded_graphics::mono_font::ascii::FONT_6X10;
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use embedded_graphics::mono_font::ascii::FONT_6X10;
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use embedded_graphics::pixelcolor::Rgb565;
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use embedded_graphics::pixelcolor::Rgb565;
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@@ -47,6 +49,282 @@ extern crate alloc;
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esp_bootloader_esp_idf::esp_app_desc!();
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esp_bootloader_esp_idf::esp_app_desc!();
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// The mock payload acting as our simulated NFC card read
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const MOCK_PAYLOAD: [u8; 858] = [
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0xE9, 0x24, 0x01, 0x47, 0xF2, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x77, 0x77, 0x77, 0x77, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0xF7, 0x77, 0x77, 0x77,
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0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x77,
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0x77, 0xFF, 0xFF, 0x77, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xF7, 0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xF7, 0xF7, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0x77, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x7F, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77,
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0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0xFF, 0xFF, 0x00, 0x0F, 0xFF, 0xFF, 0xF7, 0x77, 0x7F, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0xFF, 0xFF, 0x00, 0x0F, 0xFF, 0xFF, 0xFF,
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0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0xFF, 0xFF, 0x00, 0x00,
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0x00, 0x0F, 0xFF, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0xFF,
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0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0x77, 0x7F, 0xFF, 0xFF, 0x00, 0x0F, 0xFF, 0x00, 0x0F, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0x77, 0x7F, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xF0, 0x00, 0x17, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x7F, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x07,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
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0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0x7F, 0xFF, 0xFF,
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0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x70, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77,
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0x7F, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0x00, 0x0F, 0xFF, 0xFF, 0xF7, 0x7F, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0x00, 0x0F, 0xFF, 0xFF,
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0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0x00,
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0x0F, 0xFF, 0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x77, 0x7F,
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0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xF7, 0x77, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xF7, 0x77, 0x7F, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xF7, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x7F, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xF7, 0x7F, 0xFF, 0xF0, 0x00,
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0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x7F, 0x7F, 0xFF, 0x00, 0x00, 0x00, 0x07, 0x7F,
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0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x7F, 0x7F, 0xFF, 0xFF, 0x00,
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0x00, 0x00, 0x0F, 0xF0, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x7F,
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0xFF, 0xFF, 0xFF, 0x77, 0x00, 0x00, 0x00, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0x77, 0xF7, 0x7F, 0xFF, 0xF7, 0x77, 0x77, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x7F, 0x77, 0x77, 0x77, 0x77, 0x77, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0xFF, 0x77, 0x77, 0x77, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x77, 0x77, 0x77, 0x77, 0x77,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x82, 0xF9, 0x7E, 0x00, 0x94,
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0xB2, 0xEE, 0x66, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x3B, 0x9E,
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0x1B, 0x3B, 0x03, 0x50, 0xCA, 0xBA, 0x9B, 0x09, 0x00, 0x81, 0xFA, 0xB1, 0xEE, 0xCB, 0x7E, 0xC0,
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0xD4, 0x8D, 0x1F, 0xDA, 0x7D, 0x43, 0x8A, 0xB6, 0x1F, 0x0B, 0x7F, 0x2D, 0x30, 0xA9, 0xDF, 0xE7,
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0x01, 0x53, 0x70, 0x65, 0x65, 0x64, 0x79, 0x20, 0x74, 0x68, 0x69, 0x6E, 0x67, 0x20, 0x67, 0x6F,
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0x65, 0x73, 0x20, 0x69, 0x6E, 0x00, 0x00, 0x00, 0x00, 0x23, 0xC0, 0xD6, 0x5A, 0x9D, 0xA2, 0xAB,
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0xC4, 0x80, 0xC3, 0x06, 0xDB, 0xE8, 0x88, 0x7A, 0x7E, 0xB2, 0x40, 0x10, 0xA2, 0xDF, 0xC0, 0x89,
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0x03, 0x63, 0x8F, 0x4C, 0x2F, 0xBA, 0xCC, 0x17, 0x23, 0x51, 0x60, 0x27, 0x3B, 0x00, 0x1C, 0x6D,
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0x1F, 0x8C, 0x6B, 0x3E, 0x32, 0xE2, 0x53, 0xD9, 0x8F, 0x00
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];
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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struct Rgb(pub u8, pub u8, pub u8);
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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struct TypeStyle {
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pub name: &'static str,
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pub primary: Rgb,
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pub text: Rgb,
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}
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const PALETTES: [[Rgb; 16]; 8] = [
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// Palette Default
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[
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Rgb(31, 23, 35), Rgb(60, 47, 82), Rgb(178, 39, 65), Rgb(70, 86, 165),
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Rgb(245, 70, 76), Rgb(216, 104, 48), Rgb(140, 127, 144), Rgb(73, 149, 243),
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Rgb(62, 197, 75), Rgb(240, 149, 72), Rgb(188, 176, 179), Rgb(247, 156, 136),
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Rgb(114, 222, 235), Rgb(180, 230, 86), Rgb(239, 208, 129), Rgb(255, 255, 255),
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],
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// Palette Blueprint
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[
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Rgb(83, 67, 127), Rgb(44, 111, 153), Rgb(142, 88, 111), Rgb(0, 188, 170),
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Rgb(153, 104, 226), Rgb(109, 129, 255), Rgb(255, 84, 112), Rgb(196, 143, 158),
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Rgb(168, 159, 204), Rgb(190, 155, 255), Rgb(255, 155, 113), Rgb(127, 206, 255),
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Rgb(255, 155, 182), Rgb(255, 217, 174), Rgb(255, 217, 232), Rgb(255, 255, 255),
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],
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// Palette CYBER
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[
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Rgb(0, 0, 0), Rgb(0, 0, 126), Rgb(0, 0, 255), Rgb(126, 0, 0),
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Rgb(126, 0, 126), Rgb(4, 126, 0), Rgb(254, 0, 0), Rgb(4, 126, 126),
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Rgb(254, 0, 255), Rgb(126, 126, 0), Rgb(126, 126, 126), Rgb(6, 255, 4),
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Rgb(6, 255, 255), Rgb(190, 190, 190), Rgb(255, 255, 4), Rgb(255, 255, 255),
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],
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// Palette Nature
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[
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Rgb(35, 34, 40), Rgb(40, 66, 97), Rgb(30, 116, 83), Rgb(117, 77, 69),
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Rgb(95, 88, 84), Rgb(36, 133, 166), Rgb(198, 80, 70), Rgb(85, 160, 88),
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Rgb(135, 133, 115), Rgb(84, 186, 210), Rgb(161, 191, 65), Rgb(230, 146, 138),
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Rgb(184, 176, 149), Rgb(227, 192, 84), Rgb(195, 213, 199), Rgb(255, 255, 255),
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],
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// Palette Fossil
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[
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Rgb(75, 61, 68), Rgb(119, 66, 81), Rgb(78, 84, 99), Rgb(100, 83, 85),
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Rgb(156, 82, 78), Rgb(132, 109, 89), Rgb(91, 125, 115), Rgb(125, 123, 98),
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Rgb(140, 124, 121), Rgb(185, 122, 96), Rgb(168, 138, 94), Rgb(142, 159, 125),
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Rgb(170, 162, 93), Rgb(169, 156, 141), Rgb(204, 168, 123), Rgb(255, 255, 255),
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],
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// Palette Ghost
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[
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Rgb(0, 0, 0), Rgb(24, 24, 24), Rgb(40, 40, 40), Rgb(56, 56, 56),
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Rgb(71, 71, 71), Rgb(86, 86, 86), Rgb(100, 100, 100), Rgb(113, 113, 113),
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Rgb(126, 126, 126), Rgb(140, 140, 140), Rgb(155, 155, 155), Rgb(171, 171, 171),
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Rgb(189, 189, 189), Rgb(209, 209, 209), Rgb(231, 231, 231), Rgb(255, 255, 255),
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],
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// Palette Daemon
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[
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Rgb(0, 3, 60), Rgb(96, 0, 136), Rgb(0, 56, 132), Rgb(42, 46, 121),
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Rgb(0, 82, 96), Rgb(177, 5, 133), Rgb(255, 0, 78), Rgb(172, 41, 206),
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Rgb(0, 157, 74), Rgb(0, 138, 197), Rgb(78, 110, 168), Rgb(255, 92, 255),
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Rgb(10, 255, 82), Rgb(0, 247, 255), Rgb(173, 212, 250), Rgb(255, 255, 255),
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],
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// Palette Fairy
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[
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Rgb(40, 40, 46), Rgb(108, 86, 113), Rgb(135, 168, 137), Rgb(249, 130, 132),
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Rgb(176, 169, 228), Rgb(222, 163, 139), Rgb(172, 204, 228), Rgb(254, 170, 228),
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Rgb(217, 200, 191), Rgb(255, 195, 132), Rgb(176, 235, 147), Rgb(179, 227, 218),
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Rgb(233, 245, 157), Rgb(255, 230, 198), Rgb(255, 247, 160), Rgb(255, 255, 255),
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],
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];
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const TYPE_STYLES: [TypeStyle; 8] = [
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TypeStyle { name: "Default", primary: Rgb(0xD8, 0x68, 0x30), text: Rgb(0xFF, 0xFF, 0xFF) },
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TypeStyle { name: "Blueprint", primary: Rgb(0x6D, 0x81, 0xFF), text: Rgb(0xFF, 0xFF, 0xFF) },
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TypeStyle { name: "CYBER", primary: Rgb(0xFF, 0xFF, 0x04), text: Rgb(0x00, 0x00, 0x00) },
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TypeStyle { name: "Nature", primary: Rgb(0x55, 0xA0, 0x58), text: Rgb(0xFF, 0xFF, 0xFF) },
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TypeStyle { name: "Fossil", primary: Rgb(0xB9, 0x7A, 0x60), text: Rgb(0xFF, 0xFF, 0xFF) },
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TypeStyle { name: "Ghost", primary: Rgb(0xAB, 0xAB, 0xAB), text: Rgb(0xFF, 0xFF, 0xFF) },
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TypeStyle { name: "Daemon", primary: Rgb(0x60, 0x00, 0x88), text: Rgb(0xFF, 0xFF, 0xFF) },
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TypeStyle { name: "Fairy", primary: Rgb(0xB0, 0xA9, 0xE4), text: Rgb(0xFF, 0xFF, 0xFF) },
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];
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#[derive(Debug, Clone, Copy)]
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struct NfcPayload<'a> {
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pub event_encoding: &'a [u8],
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pub card_type: u8,
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pub card_uuid: &'a [u8],
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pub _reserved: &'a [u8],
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pub sprite: &'a [u8],
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pub packed_card_text: &'a [u8],
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pub secret: &'a [u8],
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pub _opaque_trailer: &'a [u8],
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}
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fn split_nfc_hex(payload: &[u8]) -> Option<NfcPayload<'_>> {
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if payload.len() < 0x35A {
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return None;
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}
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Some(NfcPayload {
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event_encoding: &payload[0..2],
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card_type: payload[2],
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card_uuid: &payload[3..5],
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_reserved: &payload[5..9],
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sprite: &payload[9..0x2DB],
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packed_card_text: &payload[0x2DB..0x311],
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secret: &payload[0x311..0x329],
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_opaque_trailer: &payload[0x329..0x35A],
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})
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}
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fn render_sprite_onto_ili9341<D>(
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ili9341: &mut D,
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sprite: &[u8],
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palette: &[Rgb; 16],
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) where
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D: DrawTarget<Color = Rgb565>,
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{
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let pixel_count = sprite.len() * 2;
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if pixel_count == 0 {
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return;
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}
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||||||
|
|
||||||
|
let mut src_width = 1usize;
|
||||||
|
while src_width * src_width < pixel_count {
|
||||||
|
src_width += 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
let target_width = 240usize;
|
||||||
|
let scale = core::cmp::max(1, target_width / src_width);
|
||||||
|
|
||||||
|
for y in 0..src_width {
|
||||||
|
for x in 0..src_width {
|
||||||
|
let pixel_index = y * src_width + x;
|
||||||
|
if pixel_index >= pixel_count {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
let byte_index = pixel_index / 2;
|
||||||
|
let pixel_byte = sprite[byte_index];
|
||||||
|
let color_index = if pixel_index % 2 == 0 {
|
||||||
|
(pixel_byte >> 4) & 0x0F
|
||||||
|
} else {
|
||||||
|
pixel_byte & 0x0F
|
||||||
|
};
|
||||||
|
|
||||||
|
let Rgb(r, g, b) = palette[color_index as usize];
|
||||||
|
let color = Rgb565::new(r >> 3, g >> 2, b >> 3);
|
||||||
|
let start_x = x * scale;
|
||||||
|
let start_y = y * scale;
|
||||||
|
let end_x = core::cmp::min(start_x + scale, target_width);
|
||||||
|
let end_y = core::cmp::min(start_y + scale, target_width);
|
||||||
|
|
||||||
|
for draw_y in start_y..end_y {
|
||||||
|
for draw_x in start_x..end_x {
|
||||||
|
let _ = ili9341.draw_iter(core::iter::once(Pixel(
|
||||||
|
Point::new(draw_x as i32, draw_y as i32),
|
||||||
|
color,
|
||||||
|
)));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn decode_known_event(event_encoding: &[u8]) -> Option<&'static str> {
|
||||||
|
match event_encoding {
|
||||||
|
[0x39, 0xC3] => Some("39C3"),
|
||||||
|
[0x40, 0xC3] => Some("40C3"), // future proofing :)
|
||||||
|
[0xE9, 0x24] => Some("GPN 24"),
|
||||||
|
[0xE9, 0x25] => Some("GPN 25"), // future proofing :)
|
||||||
|
_ => None,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn decode_secret(hex: &[u8]) -> alloc::string::String {
|
||||||
|
let mut ascii_string = alloc::string::String::new();
|
||||||
|
for &byte in hex {
|
||||||
|
if byte == 0 {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Keep the output readable on the display by excluding control characters.
|
||||||
|
if byte.is_ascii_graphic() || byte == b' ' {
|
||||||
|
ascii_string.push(byte as char);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
ascii_string
|
||||||
|
}
|
||||||
|
|
||||||
|
fn decode_packed_card_text(bytes: &[u8]) -> (String, String, String, String) {
|
||||||
|
let alphabet = b" ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-";
|
||||||
|
let mut full_text = String::with_capacity((bytes.len() * 8) / 6 + 1);
|
||||||
|
|
||||||
|
let mut accumulator: u32 = 0;
|
||||||
|
let mut bits_in_acc: u32 = 0;
|
||||||
|
|
||||||
|
for &byte in bytes {
|
||||||
|
accumulator |= (byte as u32) << bits_in_acc;
|
||||||
|
bits_in_acc += 8;
|
||||||
|
|
||||||
|
while bits_in_acc >= 6 {
|
||||||
|
let char_index = (accumulator & 0x3F) as usize;
|
||||||
|
|
||||||
|
full_text.push(alphabet[char_index] as char);
|
||||||
|
|
||||||
|
accumulator >>= 6;
|
||||||
|
bits_in_acc -= 6;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let name = full_text[0..24].trim().to_string();
|
||||||
|
let trait1 = full_text[24..40].trim().to_string();
|
||||||
|
let trait2 = full_text[40..56].trim().to_string();
|
||||||
|
let trait3 = full_text[56..72].trim().to_string();
|
||||||
|
|
||||||
|
(name, trait1, trait2, trait3)
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
#[cfg(not(feature = "wokwi"))]
|
#[cfg(not(feature = "wokwi"))]
|
||||||
async fn setup_wifi(
|
async fn setup_wifi(
|
||||||
wifi: esp_hal::peripherals::WIFI<'static>,
|
wifi: esp_hal::peripherals::WIFI<'static>,
|
||||||
@@ -191,17 +469,55 @@ async fn main(spawner: Spawner) {
|
|||||||
iface,
|
iface,
|
||||||
reset_main,
|
reset_main,
|
||||||
&mut delay,
|
&mut delay,
|
||||||
Orientation::Landscape,
|
Orientation::Portrait,
|
||||||
ili9341::DisplaySize240x320,
|
ili9341::DisplaySize240x320,
|
||||||
)
|
)
|
||||||
.unwrap();
|
.unwrap();
|
||||||
|
|
||||||
display.clear(Rgb565::BLACK).unwrap();
|
display.clear(Rgb565::BLACK).unwrap();
|
||||||
|
|
||||||
|
let nfc_payload: Option<NfcPayload<'_>> = split_nfc_hex(&MOCK_PAYLOAD);
|
||||||
|
if let Some(nfc_payload) = nfc_payload {
|
||||||
|
let (name, trait1, trait2, trait3) = decode_packed_card_text(nfc_payload.packed_card_text);
|
||||||
|
let secret = decode_secret(nfc_payload.secret);
|
||||||
|
|
||||||
let style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
|
let style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
|
||||||
Text::new("Hello, ESP32!", Point::new(20, 100), style)
|
Text::new(&format!("Name: {}", name), Point::new(20, 240), style)
|
||||||
.draw(&mut display)
|
.draw(&mut display)
|
||||||
.unwrap();
|
.unwrap();
|
||||||
|
Text::new(&format!("Type: {}", TYPE_STYLES[(nfc_payload.card_type - 1) as usize].name), Point::new(20, 250), style)
|
||||||
|
.draw(&mut display)
|
||||||
|
.unwrap();
|
||||||
|
Text::new(&format!("Event: {}", decode_known_event(nfc_payload.event_encoding).unwrap_or("Unknown")), Point::new(20, 260), style)
|
||||||
|
.draw(&mut display)
|
||||||
|
.unwrap();
|
||||||
|
Text::new(&format!("UUID: {}", nfc_payload.card_uuid.iter().map(|b| format!("{:02X}", b)).collect::<String>()), Point::new(20, 270), style)
|
||||||
|
.draw(&mut display)
|
||||||
|
.unwrap();
|
||||||
|
Text::new(&format!("Trait1: {}", trait1), Point::new(20, 280), style)
|
||||||
|
.draw(&mut display)
|
||||||
|
.unwrap();
|
||||||
|
Text::new(&format!("Trait2: {}", trait2), Point::new(20, 290), style)
|
||||||
|
.draw(&mut display)
|
||||||
|
.unwrap();
|
||||||
|
Text::new(&format!("Trait3: {}", trait3), Point::new(20, 300), style)
|
||||||
|
.draw(&mut display)
|
||||||
|
.unwrap();
|
||||||
|
Text::new(&format!("Secret: {}", secret), Point::new(20, 310), style)
|
||||||
|
.draw(&mut display)
|
||||||
|
.unwrap();
|
||||||
|
|
||||||
|
render_sprite_onto_ili9341(
|
||||||
|
&mut display,
|
||||||
|
nfc_payload.sprite,
|
||||||
|
&PALETTES[(nfc_payload.card_type - 1) as usize],
|
||||||
|
);
|
||||||
|
} else {
|
||||||
|
log::error!(
|
||||||
|
"NFC payload too short to decode packed text: {} bytes",
|
||||||
|
MOCK_PAYLOAD.len()
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
setup_wifi(peripherals.WIFI, peripherals.FLASH, &spawner).await;
|
setup_wifi(peripherals.WIFI, peripherals.FLASH, &spawner).await;
|
||||||
|
|
||||||
|
|||||||
Reference in New Issue
Block a user