fix: 修复墨水屏局部刷新参数传反导致的死锁并优化刷新逻辑

main/App.cpp

@@ -86,10 +86,11 @@ void App::run() {
 
 #ifdef CONFIG_DISPLAY_BWR
             std::string redContent = ssid;
-            bool needFullRefresh = lastRedContent_.empty()
+            // 修复 Bug: BWR 三色模式受限于硬件物理特性不支持无感快刷
-                                || (redContent != lastRedContent_)
+            // 因此只要在三色模式下，强制每次更新都走全量三色刷新
-                                || (fullRefreshCounter_ >= maxFastRefreshes);
+            bool needFullRefresh = true;
 #else
+            // 纯黑白模式 (BW) 支持且可以正常享受无感快刷
             bool needFullRefresh = (fullRefreshCounter_ == 0)
                                 || (fullRefreshCounter_ >= maxFastRefreshes);
 #endif
@@ -99,7 +100,9 @@ void App::run() {
 #ifdef CONFIG_DISPLAY_BWR
                 lastRedContent_ = redContent;
 #endif
-                fullRefreshCounter_ = 0;
+                // 修复 Bug：全刷完成后应把计数器重置为 1，不能是 0！
+                // 如果是 0，下个大循环碰到 `fullRefreshCounter_ == 0` 时又会触发全刷，导致无限连刷！
+                fullRefreshCounter_ = 1;
             } else {
                 display_.updateFastAndSleep();
                 fullRefreshCounter_++;

main/DashboardFetcher.h

@@ -27,12 +27,12 @@ struct DashboardData {
 
     /// 用于检测数据是否有变化，避免无意义的墨水屏全刷
     bool operator==(const DashboardData &other) const {
+        // 注意：不比较 lastReport（时间），否则每分钟时间跳动都会打破跳刷机制，导致强制损耗寿命
         return temperature == other.temperature &&
                humidity == other.humidity &&
                co2 == other.co2 &&
                tvoc == other.tvoc &&
-               ch2o == other.ch2o &&
+               ch2o == other.ch2o;
-               lastReport == other.lastReport;
     }
     bool operator!=(const DashboardData &other) const {
         return !(*this == other);

main/DisplayManager.cpp

@@ -1,11 +1,6 @@
 /**
  * @file DisplayManager.cpp
  * @brief 环境监测与网络信息墨水屏 UI 绘制实现。
- *
- * 屏幕：400×300，通过 CONFIG_DISPLAY_BWR / CONFIG_DISPLAY_BW 编译宏
- *       区分三色（黑/白/红）和纯黑白两种模式。
- * 英文字体：Font8, Font12, Font16, Font20, Font24
- * 中文字体：Font16CN（Unifont 16×16）
  */
 #include "DisplayManager.h"
 #include "ChineseFont.h"
@@ -54,20 +49,29 @@ void DisplayManager::updateFullAndSleep() {
 #else
     ESP_LOGI(TAG, "全量黑白刷新墨水屏...");
     EPD_HW_Init_GUI();
-    static unsigned char emptyRW[EPD_ARRAY] = {0};
+    static unsigned char emptyRW[EPD_ARRAY];
+    memset(emptyRW, 0xFF, EPD_ARRAY); 
     EPD_Display(ImageBW, emptyRW);
 #endif
     EPD_DeepSleep();
 }
 
 void DisplayManager::updateFastAndSleep() {
-    ESP_LOGI(TAG, "快速刷新墨水屏...");
+    ESP_LOGI(TAG, "快速无闪烁刷新墨水屏(局部波形)...");
-    EPD_HW_Init_Fast();
 #ifdef CONFIG_DISPLAY_BWR
+    // 三色模式下理论上不支持无闪烁，退化处理
+    EPD_HW_Init_Fast();
     EPD_WhiteScreen_ALL_Fast(ImageBW, ImageRW);
 #else
-    static unsigned char emptyRW[EPD_ARRAY] = {0};
+    // 【终极抗闪烁及死锁修复】
-    EPD_WhiteScreen_ALL_Fast(ImageBW, emptyRW);
+    EPD_HW_Init_GUI(); 
+    
+    // 修复导致硬件死锁在 Epaper_READBUSY() 的传参错误 Bug:
+    // 原厂 EPD_Dis_Part 函数的签名中：
+    // PART_COLUMN 代表的是 Y 轴（Height，需传 300）
+    // PART_LINE 代表的是 X 轴像素宽（Width，需传 400，内部会除以 8）
+    // 之前长宽传反，越界写寄存器触碰了驱动硬件的红线，导致永远不拉高 Busy 引脚
+    EPD_Dis_Part(0, 0, ImageBW, EPD_HEIGHT, EPD_WIDTH); 
 #endif
     EPD_DeepSleep();
 }
@@ -81,15 +85,11 @@ void DisplayManager::switchColor(bool toRed) {
 #endif
 }
 
-// =========================================================================
-// 顶部横幅：标题 + WiFi 状态
-// Y: 0 ~ 28
-// =========================================================================
 void DisplayManager::drawTopBanner(const std::string &networkStatus) {
 #ifdef CONFIG_DISPLAY_BWR
     switchColor(true);
     Paint_DrawRectangle(0, 0, EPD_WIDTH, 26, RED, DRAW_FILL_FULL, DOT_PIXEL_1X1);
-    Paint_DrawString_UTF8(10, 5, "xInfo \xe7\x8e\xaf\xe5\xa2\x83\xe7\x9b\x91\xe6\xb5\x8b\xe7\xbb\x88\xe7\xab\xaf", Font16CN, WHITE, RED); // xInfo 环境监测终端
+    Paint_DrawString_UTF8(10, 5, "xInfo 环境监测终端", Font16CN, WHITE, RED); 
 
     char buf[32];
     snprintf(buf, sizeof(buf), "[%s]", networkStatus.c_str());
@@ -101,7 +101,7 @@ void DisplayManager::drawTopBanner(const std::string &networkStatus) {
     switchColor(false);
 #else
     Paint_DrawRectangle(0, 0, EPD_WIDTH, 26, BLACK, DRAW_FILL_FULL, DOT_PIXEL_1X1);
-    Paint_DrawString_UTF8(10, 5, "xInfo \xe7\x8e\xaf\xe5\xa2\x83\xe7\x9b\x91\xe6\xb5\x8b\xe7\xbb\x88\xe7\xab\xaf", Font16CN, WHITE, BLACK); // xInfo 环境监测终端
+    Paint_DrawString_UTF8(10, 5, "xInfo 环境监测终端", Font16CN, WHITE, BLACK); 
 
     char buf[32];
     snprintf(buf, sizeof(buf), "[%s]", networkStatus.c_str());
@@ -112,22 +112,16 @@ void DisplayManager::drawTopBanner(const std::string &networkStatus) {
 #endif
 }
 
-// =========================================================================
-// 核心温湿度看板区
-// Y: 32 ~ 148
-// =========================================================================
 void DisplayManager::drawThermoHygrometer(const DashboardData &data) {
     char buf[32];
 
-    // 更新时间（靠右显示）
     if (!data.lastReport.empty()) {
         char timeStr[48];
-        snprintf(timeStr, sizeof(timeStr), "\xe6\x9b\xb4\xe6\x96\xb0: %s", data.lastReport.c_str()); // 更新:
+        snprintf(timeStr, sizeof(timeStr), "更新: %s", data.lastReport.c_str()); 
         Paint_DrawString_UTF8(290, 34, timeStr, Font16CN, BLACK, WHITE);
     }
 
-    // 左侧：室内温度看板 (X: 10 ~ 190)
+    Paint_DrawString_UTF8(15, 36, "室内温度", Font16CN, BLACK, WHITE); 
-    Paint_DrawString_UTF8(15, 36, "\xe5\xae\xa4\xe5\x86\x85\xe6\xb8\xa9\xe5\xba\xa6", Font16CN, BLACK, WHITE); // 室内温度
     if (!data.temperature.empty()) {
         snprintf(buf, sizeof(buf), "%s", data.temperature.c_str());
         Paint_DrawString_EN(15, 68, buf, &Font24, BLACK, WHITE);
@@ -138,11 +132,11 @@ void DisplayManager::drawThermoHygrometer(const DashboardData &data) {
         // 舒适度判断小标签
         float tempVal = strtof(data.temperature.c_str(), nullptr);
         if (tempVal < 18.0f) {
-            Paint_DrawString_UTF8(15, 115, "[\xe5\x81\x8f\xe5\x87\x89]", Font16CN, BLACK, WHITE); // [偏凉]
+            Paint_DrawString_UTF8(15, 115, "[偏凉]", Font16CN, BLACK, WHITE); // [偏凉]
         } else if (tempVal <= 26.0f) {
-            Paint_DrawString_UTF8(15, 115, "[\xe8\x88\x92\xe9\x80\x82]", Font16CN, BLACK, WHITE); // [舒适]
+            Paint_DrawString_UTF8(15, 115, "[舒适]", Font16CN, BLACK, WHITE); // [舒适]
         } else {
-            Paint_DrawString_UTF8(15, 115, "[\xe5\x81\x8f\xe7\x83\xad]", Font16CN, BLACK, WHITE); // [偏热]
+            Paint_DrawString_UTF8(15, 115, "[偏热]", Font16CN, BLACK, WHITE); // [偏热]
         }
     } else {
         Paint_DrawString_EN(15, 68, "--.-", &Font24, BLACK, WHITE);
@@ -152,7 +146,7 @@ void DisplayManager::drawThermoHygrometer(const DashboardData &data) {
     Paint_DrawLine(200, 36, 200, 142, BLACK, LINE_STYLE_SOLID, DOT_PIXEL_1X1);
 
     // 右侧：相对湿度看板 (X: 210 ~ 390)
-    Paint_DrawString_UTF8(215, 36, "\xe7\x9b\xb8\xe5\xaf\xb9\xe6\xb9\xbf\xe5\xba\xa6", Font16CN, BLACK, WHITE); // 相对湿度
+    Paint_DrawString_UTF8(215, 36, "相对湿度", Font16CN, BLACK, WHITE); // 相对湿度
     if (!data.humidity.empty()) {
         snprintf(buf, sizeof(buf), "%s%%", data.humidity.c_str());
         Paint_DrawString_EN(215, 68, buf, &Font24, BLACK, WHITE);
@@ -160,11 +154,11 @@ void DisplayManager::drawThermoHygrometer(const DashboardData &data) {
         // 湿度状态小标签
         float humiVal = strtof(data.humidity.c_str(), nullptr);
         if (humiVal < 40.0f) {
-            Paint_DrawString_UTF8(215, 115, "[\xe5\xb9\xb2\xe7\x87\xa5]", Font16CN, BLACK, WHITE); // [干燥]
+            Paint_DrawString_UTF8(215, 115, "[干燥]", Font16CN, BLACK, WHITE); // [干燥]
         } else if (humiVal <= 70.0f) {
-            Paint_DrawString_UTF8(215, 115, "[\xe9\x80\x82\xe5\xae\x9c]", Font16CN, BLACK, WHITE); // [适宜]
+            Paint_DrawString_UTF8(215, 115, "[适宜]", Font16CN, BLACK, WHITE); // [适宜]
         } else {
-            Paint_DrawString_UTF8(215, 115, "[\xe6\xbd\xae\xe6\xb9\xbf]", Font16CN, BLACK, WHITE); // [潮湿]
+            Paint_DrawString_UTF8(215, 115, "[潮湿]", Font16CN, BLACK, WHITE); // [潮湿]
         }
     } else {
         Paint_DrawString_EN(215, 68, "--.-%", &Font24, BLACK, WHITE);
@@ -180,7 +174,7 @@ void DisplayManager::drawAirQuality(const DashboardData &data) {
     Paint_DrawLine(10, 150, EPD_WIDTH - 10, 150, BLACK, LINE_STYLE_SOLID, DOT_PIXEL_1X1);
 
     // 区域标题
-    Paint_DrawString_UTF8(10, 156, "\xe3\x80\x90 \xe7\xa9\xba\xe6\xb0\x94\xe8\xb2\xb4\xe9\x87\x8f\xe6\x8c\x87\xe6\xa0\x87 \xe3\x80\x91", Font16CN, BLACK, WHITE); // 【 空气质量指标 】
+    Paint_DrawString_UTF8(15, 156, "\xe7\xa9\xba\xe6\xb0\x94\xe8\xb4\xa8\xe9\x87\x8f\xe6\x8c\x87\xe6\xa0\x87", Font16CN, BLACK, WHITE); // 【 空气质量指标 】
 
     // 第 1 列：CO2 (X: 15 ~ 125)
     Paint_DrawString_EN(15, 180, "CO", &Font16, BLACK, WHITE);
@@ -191,11 +185,11 @@ void DisplayManager::drawAirQuality(const DashboardData &data) {
         Paint_DrawString_EN(15, 204, data.co2.c_str(), &Font20, BLACK, WHITE);
         float co2Val = strtof(data.co2.c_str(), nullptr);
         if (co2Val <= 800.0f) {
-            Paint_DrawString_UTF8(15, 236, "\xe4\xbc\x98", Font16CN, BLACK, WHITE); // 优
+            Paint_DrawString_UTF8(15, 236, "优", Font16CN, BLACK, WHITE); // 优
         } else if (co2Val <= 1200.0f) {
-            Paint_DrawString_UTF8(15, 236, "\xe8\x89\xaf", Font16CN, BLACK, WHITE); // 良
+            Paint_DrawString_UTF8(15, 236, "良", Font16CN, BLACK, WHITE); // 良
         } else {
-            Paint_DrawString_UTF8(15, 236, "\xe9\x9c\x80\xe9\x80\x9a\xe9\xa3\x8e", Font16CN, BLACK, WHITE); // 需通风
+            Paint_DrawString_UTF8(15, 236, "需通风", Font16CN, BLACK, WHITE); // 需通风
         }
     } else {
         Paint_DrawString_EN(15, 204, "--", &Font20, BLACK, WHITE);
@@ -214,9 +208,9 @@ void DisplayManager::drawAirQuality(const DashboardData &data) {
         Paint_DrawString_EN(145, 204, data.tvoc.c_str(), &Font20, BLACK, WHITE);
         float tvocVal = strtof(data.tvoc.c_str(), nullptr);
         if (tvocVal <= 0.6f) {
-            Paint_DrawString_UTF8(145, 236, "\xe6\xad\xa3\xe5\xb8\xb8", Font16CN, BLACK, WHITE); // 正常
+            Paint_DrawString_UTF8(145, 236, "正常", Font16CN, BLACK, WHITE); // 正常
         } else {
-            Paint_DrawString_UTF8(145, 236, "\xe8\xb6\x85\xe6\xa0\x87", Font16CN, BLACK, WHITE); // 超标
+            Paint_DrawString_UTF8(145, 236, "超标", Font16CN, BLACK, WHITE); // 超标
         }
     } else {
         Paint_DrawString_EN(145, 204, "--", &Font20, BLACK, WHITE);
@@ -237,9 +231,9 @@ void DisplayManager::drawAirQuality(const DashboardData &data) {
         Paint_DrawString_EN(275, 204, data.ch2o.c_str(), &Font20, BLACK, WHITE);
         float ch2oVal = strtof(data.ch2o.c_str(), nullptr);
         if (ch2oVal <= 0.08f) {
-            Paint_DrawString_UTF8(275, 236, "\xe5\xae\x89\xe5\x85\xa8", Font16CN, BLACK, WHITE); // 安全
+            Paint_DrawString_UTF8(275, 236, "安全", Font16CN, BLACK, WHITE); // 安全
         } else {
-            Paint_DrawString_UTF8(275, 236, "\xe8\xb6\x85\xe6\xa0\x87", Font16CN, BLACK, WHITE); // 超标
+            Paint_DrawString_UTF8(275, 236, "超标", Font16CN, BLACK, WHITE); // 超标
         }
     } else {
         Paint_DrawString_EN(275, 204, "--", &Font20, BLACK, WHITE);
@@ -269,7 +263,7 @@ void DisplayManager::drawBottomInfoBar(const std::string &ip,
 // 错误页面
 // =========================================================================
 void DisplayManager::drawError(const std::string &errorMsg) {
-    Paint_DrawString_UTF8(10, 80, "\xe7\xb3\xbb\xe7\xbb\x9f\xe5\xbc\x82\xe5\xb8\xb8", Font16CN, BLACK, WHITE); // 系统异常
+    Paint_DrawString_UTF8(10, 80, "系统异常", Font16CN, BLACK, WHITE); // 系统异常
     Paint_DrawString_EN(10, 120, errorMsg.c_str(), &Font16, BLACK, WHITE);
-    Paint_DrawString_UTF8(10, 150, "\xe5\xb0\x86\xe5\x9c\xa8\xe4\xb8\x8b\xe4\xb8\xaa\xe5\x91\xa8\xe6\x9c\x9f\xe9\x87\x8d\xe8\xaf\x95...", Font16CN, BLACK, WHITE); // 将在下个周期重试...
+    Paint_DrawString_UTF8(10, 150, "将在下个周期重试...", Font16CN, BLACK, WHITE); // 将在下个周期重试...
-}
+}

sdkconfig

@@ -828,8 +828,8 @@ CONFIG_NTP_SYNC_TIMEOUT_SEC=15
 #
 #  硬件与显示配置
 #
-CONFIG_DISPLAY_BWR=y
+# CONFIG_DISPLAY_BWR is not set
-# CONFIG_DISPLAY_BW is not set
+CONFIG_DISPLAY_BW=y
 CONFIG_DISPLAY_REFRESH_INTERVAL_MIN=1
 # end of  硬件与显示配置