feat: add serial port commands for testing and controlling the RGB LED

App/main.c

@@ -17,6 +17,8 @@ bit last_hw_r = 1;
 bit last_hw_g = 1;
 bit last_hw_b = 1;
 
+bit rgb_test_mode = 0;
+
 // 实际 WS2812 物理控制引脚（接 P0.0）
 sbit WS2812_DI = P0^0;
 
@@ -745,7 +747,11 @@ void Timer1_Isr(void) interrupt 3
     }
 
     // 3. 警报警示声光发生器逻辑
-    if (current_state == STATE_SOS_EMITTED)
+    if (rgb_test_mode)
+    {
+        // RGB 测试模式下不更新虚拟 LED 状态，交由主循环串口命令控制
+    }
+    else if (current_state == STATE_SOS_EMITTED)
     {
         // SOS 特殊告警：LED 红色极速闪烁 (5Hz)，马达持续进行 1200ms 循环长振
         u8 sos_flash = (ms_tick / 100) % 2; // 5Hz -> 100ms 翻转一次
@@ -1088,6 +1094,54 @@ void main(void)
                 state_changed = 1;
                 Uart_SendString("[UART SIM] Set State to: DISARMED (Disarmed)\r\n");
             }
+            else if (cmd == '4')
+            {
+                rgb_test_mode = 1;
+                LED_R = 0; LED_G = 1; LED_B = 1; // 红色亮 (0代表亮)
+                Uart_SendString("[UART SIM] RGB Test -> RED\r\n");
+            }
+            else if (cmd == '5')
+            {
+                rgb_test_mode = 1;
+                LED_R = 1; LED_G = 0; LED_B = 1; // 绿色亮
+                Uart_SendString("[UART SIM] RGB Test -> GREEN\r\n");
+            }
+            else if (cmd == '6')
+            {
+                rgb_test_mode = 1;
+                LED_R = 1; LED_G = 1; LED_B = 0; // 蓝色亮
+                Uart_SendString("[UART SIM] RGB Test -> BLUE\r\n");
+            }
+            else if (cmd == '7')
+            {
+                rgb_test_mode = 1;
+                LED_R = 0; LED_G = 0; LED_B = 1; // 黄色亮 (红+绿)
+                Uart_SendString("[UART SIM] RGB Test -> YELLOW\r\n");
+            }
+            else if (cmd == '8')
+            {
+                rgb_test_mode = 1;
+                LED_R = 0; LED_G = 1; LED_B = 0; // 紫色亮 (红+蓝)
+                Uart_SendString("[UART SIM] RGB Test -> PURPLE\r\n");
+            }
+            else if (cmd == '9')
+            {
+                rgb_test_mode = 1;
+                LED_R = 1; LED_G = 0; LED_B = 0; // 青色亮 (绿+蓝)
+                Uart_SendString("[UART SIM] RGB Test -> CYAN\r\n");
+            }
+            else if (cmd == '0')
+            {
+                rgb_test_mode = 1;
+                LED_R = 0; LED_G = 0; LED_B = 0; // 白色亮 (红+绿+蓝)
+                Uart_SendString("[UART SIM] RGB Test -> WHITE\r\n");
+            }
+            else if (cmd == 'f' || cmd == 'F')
+            {
+                rgb_test_mode = 0;
+                LED_R = 1; LED_G = 1; LED_B = 1; // 熄灭
+                Uart_SendString("[UART SIM] RGB Test -> OFF (Normal Mode)\r\n");
+            }
         }
 
         // 1. 读取按键事件并自动清空
@@ -1096,6 +1150,7 @@ void main(void)
 
         if (ev != KEY_EVENT_NONE)
         {
+            rgb_test_mode = 0; // 任何物理/按键事件触发时退出 RGB 测试模式
             // 通过串口打印获取到的按键事件代号进行测试联调
             Uart_SendString("Key Event Captured: ");
             Uart_SendHex8((u8)ev);