init

2025-11-13 20:54:45 +08:00
commit 2b5cfc1538
13 changed files with 479 additions and 0 deletions
@@ -0,0 +1,107 @@
+#include "init.h"
+#include <ArduinoJson.h>
+#include <LittleFS.h>
+#include <WiFi.h>
+#include "utils.h"
+
+namespace esp32 {
+namespace init {
+
+// WiFi 配置变量
+static String wifiSSID = "";
+static String wifiPassword = "";
+
+// TFT 显示器引用 (在 initSystem 中设置)
+static Adafruit_ST7735* tftPtr = nullptr;
+
+// 在屏幕上打印日志
+void tftLog(const char* msg, uint16_t color) {
+    if (tftPtr == nullptr)
+        return;
+    tftPtr->setTextColor(color);
+    tftPtr->println(msg);
+    tftPtr->setCursor(tftPtr->getCursorX(),
+                      tftPtr->getCursorY() + 2);  // 增加2像素行距
+}
+
+// 读取并解析配置文件
+bool loadSettings() {
+    if (!LittleFS.begin(true)) {
+        tftLog("LittleFS mount failed!", RED);
+        return false;
+    }
+    tftLog("LittleFS mounted", GREEN);
+
+    File file = LittleFS.open("/settings.json", "r");
+    if (!file) {
+        tftLog("Can't open settings", RED);
+        return false;
+    }
+    tftLog("Settings file opened", GREEN);
+
+    // 使用 ArduinoJson 7.x 解析
+    JsonDocument doc;
+    DeserializationError error = deserializeJson(doc, file);
+    file.close();
+
+    if (error) {
+        tftLog("JSON parse failed!", RED);
+        return false;
+    }
+
+    // 读取 WiFi 配置
+    wifiSSID = doc["wifi"]["ssid"].as<String>();
+    wifiPassword = doc["wifi"]["password"].as<String>();
+
+    tftLog("Config loaded:", GREEN);
+    tftPtr->print("  SSID: ");
+    tftLog(wifiSSID.c_str(), WHITE);
+
+    return true;
+}
+
+// 连接 WiFi
+void connectWiFi() {
+    if (wifiSSID.isEmpty()) {
+        tftLog("WiFi SSID empty", RED);
+        return;
+    }
+
+    tftPtr->print("Connecting: ");
+    tftLog(wifiSSID.c_str(), WHITE);
+
+    WiFi.mode(WIFI_STA);
+    WiFi.begin(wifiSSID.c_str(), wifiPassword.c_str());
+
+    int attempts = 0;
+    while (WiFi.status() != WL_CONNECTED && attempts < 20) {
+        delay(500);
+        tftPtr->print(".");
+        attempts++;
+    }
+    tftPtr->println();
+
+    if (WiFi.status() == WL_CONNECTED) {
+        tftLog("WiFi connected!", GREEN);
+        tftPtr->print("IP: ");
+        tftLog(WiFi.localIP().toString().c_str(), WHITE);
+    } else {
+        tftLog("WiFi failed!", RED);
+    }
+}
+
+// 初始化系统
+void initSystem(Adafruit_ST7735& tft) {
+    tftPtr = &tft;
+
+    tftLog("=== ESP32-S3 ===", YELLOW);
+    tft.println();
+
+    // 读取配置文件并连接 WiFi
+    if (loadSettings()) {
+        connectWiFi();
+    }
+}
+
+}  // namespace init
+}  // namespace esp32
@@ -0,0 +1,78 @@
+#include <Adafruit_GFX.h>
+#include <Adafruit_ST7735.h>
+#include <SPI.h>
+#include "utils.h"
+#include "init.h"
+
+using namespace esp32;
+
+#define TFT_MOSI 16
+#define TFT_SCLK 15
+#define TFT_CS 18
+#define TFT_DC 17
+#define TFT_RST -1
+
+// 屏幕尺寸为 128x160
+Adafruit_ST7735 tft(TFT_CS, TFT_DC, TFT_RST);
+
+#define function auto
+#define let auto
+function rgbTo565(uint32_t rgbColor) -> uint16_t {
+    uint8_t r = (rgbColor >> 16) & 0xFF;
+    uint8_t g = (rgbColor >> 8) & 0xFF;
+    uint8_t b = rgbColor & 0xFF;
+
+    // 交换 r 和 b
+    uint8_t tmp = r;
+    r = b;
+    b = tmp;
+
+    uint16_t r5 = (r * 31 / 255) << 11;
+    uint16_t g6 = (g * 63 / 255) << 5;
+    uint16_t b5 = (b * 31 / 255);
+
+    return r5 | g6 | b5;
+}
+
+const int BTN_LEFT = 12;   // 左按钮
+const int BTN_RIGHT = 11;  // 右按钮
+const int BTN_UP = 10;     // 上按钮
+
+#define BLACK rgbTo565(0x000000)
+#define WHITE rgbTo565(0xFFFFFF)
+#define RED rgbTo565(0xFF0000)
+#define GREEN rgbTo565(0x00FF00)
+#define BLUE rgbTo565(0x0000FF)
+#define YELLOW rgbTo565(0xFFFF00)
+
+void setup() {
+    // 按钮:内部下拉
+    pinMode(BTN_LEFT, INPUT_PULLDOWN);
+    pinMode(BTN_RIGHT, INPUT_PULLDOWN);
+    pinMode(BTN_UP, INPUT_PULLDOWN);
+
+    // 1. 把硬件 SPI 绑定到你现有的引脚
+    SPI.begin(TFT_SCLK, -1 /*MISO 不用*/, TFT_MOSI, TFT_CS);
+    SPI.setFrequency(27000000);  // ST7735 通常 27MHz 左右比较稳
+
+    // 2. 初始化屏幕
+    tft.initR(INITR_GREENTAB);
+    tft.setRotation(0);
+    tft.fillScreen(BLACK);
+    tft.setCursor(0, 0);
+    tft.setTextColor(WHITE);
+    tft.setTextSize(1);
+
+    // 初始化系统(读取配置并连接 WiFi)
+    init::initSystem(tft);
+}
+
+void loop() {
+    bool leftPressed = digitalRead(BTN_LEFT) == HIGH;  // 按下=HIGH
+    bool rightPressed = digitalRead(BTN_RIGHT) == HIGH;
+    bool upPressed = digitalRead(BTN_UP) == HIGH;
+
+    tft.fillRect(0, 30, 20, 20, leftPressed ? RED : BLACK);
+    tft.fillRect(108, 30, 20, 20, rightPressed ? RED : BLACK);
+    tft.fillRect(54, 0, 20, 20, upPressed ? RED : BLACK);
+}
@@ -0,0 +1,71 @@
+#include "utils.h"
+#include <Arduino.h>
+
+#define function auto
+#define let auto
+
+namespace esp32 {
+namespace utils {
+
+// 三次贝塞尔曲线计算
+function cubicBezier(float t, float p0, float p1, float p2, float p3) -> float {
+    let u = 1.0f - t;
+    return (u * u * u * p0) + (3.0f * u * u * t * p1) +
+           (3.0f * u * t * t * p2) + (t * t * t * p3);
+}
+
+function solveCubicBezierX(float xTarget,
+                           float x1,
+                           float x2,
+                           float epsilon) -> float {
+    let t = xTarget;
+    let x = cubicBezier(t, 0.0f, x1, x2, 1.0f);
+    int iteration = 0;
+
+    while (abs(x - xTarget) > epsilon && iteration < 100) {
+        let d = 3.0f * (1.0f - t) * (1.0f - t) * (x1 - 0.0f) +
+                6.0f * (1.0f - t) * t * (x2 - x1) + 3.0f * t * t * (1.0f - x2);
+        if (d == 0.0f)
+            break;
+        t -= (x - xTarget) / d;
+        x = cubicBezier(t, 0.0f, x1, x2, 1.0f);
+        iteration++;
+    }
+
+    return t;
+}
+
+function linear2CubicBezier(float source,
+                            float x1,
+                            float y1,
+                            float x2,
+                            float y2) -> float {
+    if (source < 0.0f || source > 1.0f) {
+        return source;  // 返回原值而不是抛出异常
+    }
+
+    let t = solveCubicBezierX(source, x1, x2);
+    let y = cubicBezier(t, 0.0f, y1, y2, 1.0f);
+
+    return y;
+}
+
+function rgbTo565(uint32_t rgbColor) -> uint16_t {
+    uint8_t r = (rgbColor >> 16) & 0xFF;
+    uint8_t g = (rgbColor >> 8) & 0xFF;
+    uint8_t b = rgbColor & 0xFF;
+
+    // 交换 r 和 b
+    uint8_t tmp = r;
+    r = b;
+    b = tmp;
+
+    uint16_t r5 = (r * 31 / 255) << 11;
+    uint16_t g6 = (g * 63 / 255) << 5;
+    uint16_t b5 = (b * 31 / 255);
+
+    return r5 | g6 | b5;
+}
+
+}  // namespace utils
+}  // namespace esp32