Implement low power RF wake-up and filter mechanism

2026-07-15 17:05:22 +08:00
parent 7ebe802410
commit 601e01e954
9 changed files with 186 additions and 50 deletions
--- a/App/config.h
+++ b/App/config.h
@@ -152,6 +152,9 @@ extern volatile u16 key_confirm_hold;
 extern volatile u16 key_sos_hold;
 extern volatile u16 comb_hold;

+extern volatile u8 isr_p0_flag;
+extern volatile u8 isr_p2_flag;
+
 #define MAIN_Fosc   24000000UL
 #define CLONED_ADDR 0x37A86UL

--- a/App/main.c
+++ b/App/main.c
@@ -38,6 +38,9 @@ volatile u16 key_confirm_hold = 0;
 volatile u16 key_sos_hold = 0;
 volatile u16 comb_hold = 0;

+volatile u8 isr_p0_flag = 0;
+volatile u8 isr_p2_flag = 0;
+
 /* =========================================================================
 * 串口调试指令解析与事件派发封装
 * ========================================================================= */
@@ -195,6 +198,7 @@ void main(void)
 void Port0_Isr(void) interrupt 13
 {
    EAXFR = 1;
+    isr_p0_flag = P0INTF;
    P0INTF = 0x00;  // 清除 P0 端口中断悬挂标志
    P0INTE = 0x00;  // 立即禁用，防止低电平保持期间反复触发
 }
@@ -203,6 +207,7 @@ void Port0_Isr(void) interrupt 13
 void Port2_Isr(void) interrupt 15
 {
    EAXFR = 1;
+    isr_p2_flag = P2INTF;
    P2INTF = 0x00;  // 清除 P2 端口中断悬挂标志
    P2INTE = 0x00;  // 立即禁用，防止低电平保持期间反复触发
 }
--- a/App/system.c
+++ b/App/system.c
@@ -2,6 +2,9 @@
 #include "rgb.h"
 #include "ui.h"
 #include "../Drivers/lcd.h"
+#include "../Drivers/rf.h"
+#include "database.h"
+#include "app_manager.h"

 void GPIO_Init(void)
 {
@@ -235,9 +238,14 @@ void Enter_Low_Power_Sleep(void)
    P2IM0 &= ~0x40;
    P2INTE |= 0x40;

+    // 8b. 配置 P2.1 (RF_RX_DATA) 为 低电平触发 唤醒
+    P2IM1 |=  0x02;
+    P2IM0 &= ~0x02;
+    P2INTE |= 0x02;
+
    // ===== 配置端口掉电唤醒使能寄存器 PxWKUE =====
-    P0WKUE |= 0x0E;   // 使使能 P0.1/P0.2/P0.3 掉电唤醒
-    P2WKUE |= 0x40;   // 使使能 P2.6 掉电唤醒
+    P0WKUE |= 0x0E;   // 使能 P0.1/P0.2/P0.3 掉电唤醒
+    P2WKUE |= 0x42;   // 使能 P2.6, P2.1 掉电唤醒

    // 9. 不允许外部中断 2 (RF_RX_DATA) 沿触发唤醒源
    EX2 = 0;
@@ -251,6 +259,7 @@ void Enter_Low_Power_Sleep(void)
    EA = 1;

    // 12. 写入 PCON 掉电模式位，使 MCU 进入深度 Power-Down 挂起状态
+    while (1) {
        Uart_SendString("[SYS] Entering Power-Down mode...\r\n");
        PCON |= 0x02;  // PD = 1
        _nop_();
@@ -258,21 +267,27 @@ void Enter_Low_Power_Sleep(void)
        _nop_();
        _nop_();

-    // 13. 唤醒并执行完 ISR 后，CPU 从这里继续执行
-    Wakeup_Restore();
+        // 13. 唤醒并执行完 ISR 后，CPU 从这里继续执行，如果是真唤醒，则打破挂起循环
+        if (Wakeup_Restore() == 1) {
+            break;
+        }
+    }
 }

-void Wakeup_Restore(void)
+u8 Wakeup_Restore(void)
 {
-    u8 p0_flag;
-    u8 p2_flag;
+    u8 actual_p0;
+    u8 actual_p2;
+    u8 decoded = 0;

    // 确保 EAXFR=1 才能访问扩展 SFR (P0INTF/P2INTF/P0INTE/P2INTE)
    EAXFR = 1;

-    // [诊断] 在清除标志位之前先读取，判断唤醒来源
-    p0_flag = P0INTF;
-    p2_flag = P2INTF;
+    // 读取并重置 ISR 中存下来的真实中断源，同时也要读取当前的寄存器以备万一
+    actual_p0 = isr_p0_flag | P0INTF;
+    actual_p2 = isr_p2_flag | P2INTF;
+    isr_p0_flag = 0;
+    isr_p2_flag = 0;

    // 1. 立即禁用端口中断和唤醒，防止继续触发
    P0INTE = 0x00;
@@ -292,36 +307,85 @@ void Wakeup_Restore(void)
    ET1 = 1;

    // [诊断] 打印唤醒来源
-    if (p0_flag & 0x0E) {
+    if (actual_p0 & 0x0E) {
        Uart_SendString("[WR] Woken by KEY P0 (P0INTF=0x");
-        Uart_SendHex8(p0_flag);
+        Uart_SendHex8(actual_p0);
        Uart_SendString(")\r\n");
-    } else if (p2_flag & 0x40) {
+    } else if (actual_p2 & 0x40) {
        Uart_SendString("[WR] Woken by KEY P2 (P2INTF=0x");
-        Uart_SendHex8(p2_flag);
+        Uart_SendHex8(actual_p2);
+        Uart_SendString(")\r\n");
+    } else if (actual_p2 & 0x02) {
+        Uart_SendString("[WR] Woken by RF P2.1 (P2INTF=0x");
+        Uart_SendHex8(actual_p2);
        Uart_SendString(")\r\n");
    } else {
-        Uart_SendString("[WR] Woken by TIMER (no key flag)\r\n");
+        Uart_SendString("[WR] Woken by TIMER/OTHER\r\n");
    }

-    // 3. 保持 SHUT 开启射频接收芯片工作
+    // 3. 处理射频唤醒：判断是否真的有传感器报警
+    if ((actual_p2 & 0x02) && !(actual_p0 & 0x0E) && !(actual_p2 & 0x40)) {
+        u8 i;
+        u32 rx_addr;
+        u8 rx_data;
+
+        // 关闭全局中断进行解调，防止滴答中断干扰高精度脉宽采集
+        EA = 0;
+        for (i = 0; i < 6; i++) {
+            if (EV1527_Decode(&rx_addr, &rx_data)) {
+                u8 slot;
+                if (Check_Sensor_ID(rx_addr, &slot)) {
+                    u8 sensor_type = sensor_list[slot].type;
+                    if (sensor_type < 5) {
+                        // 只有在防区开启 (zone == 0) 或处于 STATE_ARMED (警戒) 状态下才触发
+                        if (sensor_list[slot].zone == 0 || current_state == STATE_ARMED) {
+                            captured_addr = rx_addr;
+                            alarm_sensor_slot = slot;
+                            decoded = 1;
+                            break;
+                        }
+                    }
+                }
+            }
+            Delay_ms(20);
+        }
+        EA = 1;
+
+        if (!decoded) {
+            // 只是噪声或未配对的遥控器，无视，不亮屏直接返回 0 让主休眠循环继续挂起
+            Uart_SendString("[WR] RF false alarm/noise. Re-sleeping.\r\n");
+            return 0;
+        }
+        Uart_SendString("[WR] RF Alarm Decoded successfully!\r\n");
+    }
+
+    // 4. 到这里说明是真唤醒（或者是按键，或者是有效的射频警报解码成功）
+    // 开启射频接收芯片工作
    SHUT = 1;

-    // 4. 拉高 SGM_CTRL 并发送脉冲使能 SGM3833 升压
+    // 拉高 SGM_CTRL 并发送脉冲使能 SGM3833 升压
    SGM_CTRL = 1;
    SGM_SendPulse(27);

-    // 5. 等待负压电轨充分稳定
+    // 等待负压电轨充分稳定
    Delay_ms(200);

-    // 6. 重做屏控制器 RM69310 寄存器组的初始化
+    // 重做屏控制器 RM69310 寄存器组的初始化
    LCD_Init();

-    // 7. 重置闲置倒计时
+    // 重置闲置倒计时
    inactivity_timer = 0;

-    // 8. 直接绘制时钟界面（绕过 AppManager 早期返回保护）
+    // 根据唤醒源决定显示什么
+    if (decoded) {
+        // 如果是有效的射频入侵触发，强制切到 Alarm 状态并启动应用
+        AppManager_StartApp(APP_ID_ALARM);
+    } else {
+        // 如果是按键触发唤醒，显示主时间界面
        current_state = STATE_NORMAL;
        UI_ShowClockPage(current_state, current_hour, current_min);
+    }
+
    Uart_SendString("[SYS] Wakeup restored!\r\n");
+    return 1; // 返回 1 表示真唤醒
 }
--- a/App/system.h
+++ b/App/system.h
@@ -26,6 +26,6 @@ void FormatHex(u32 val, char *buf);

 // 电源管理与休眠唤醒
 void Enter_Low_Power_Sleep(void);
-void Wakeup_Restore(void);
+u8 Wakeup_Restore(void);

 #endif
--- a/Docs/60_coding/mod-power.md
+++ b/Docs/60_coding/mod-power.md
@@ -9,19 +9,8 @@
 ## 2. 关键代码片段与逻辑实现

 ### 2.1 供电引脚初始化
-系统初始化时，配置 `SHUT`（控制 SGM3833 供电的引脚 `P2.2`）为推挽输出，并拉高以开启屏幕供电：
-```c
-sbit SHUT = P2^2; // Pin 23

-void Power_Init(void) {
-    // P2.2 (SHUT) 配置为推挽输出
-    P2M1 &= ~(1 << 2);
-    P2M0 |=  (1 << 2);

-    // 拉高引脚，开启 SGM3833 负压供电
-    SHUT = 1;
-}
-```

 ### 2.2 进入低功耗睡眠 (Enter_Low_Power_Sleep)
 在 10 秒无按键操作发生后，关闭屏幕显示，断电，配置中断，并进入 Power-Down 挂起状态：
@@ -31,7 +20,7 @@ void Enter_Low_Power_Sleep(void) {
    LCD_WriteCmd(0x10); 
    
    // 2. 切断 SGM3833 电源，停止输出负压
-    SHUT = 0;
+
    
    // 3. 配置引脚中断 (P0.1, P0.2, P0.3, P2.6) 允许唤醒
    // 允许 P0 / P2 端口中断以供按键唤醒
@@ -56,12 +45,12 @@ void Port0_Isr(void) interrupt 37 {
    P0INTF = 0x00; // 清除 P0 中断标志
    Wakeup_Restore();
 }
-
+//周期嗅探模式来接收信号源
 void Wakeup_Restore(void) {
-    if (SHUT == 1) return; // 已经在工作状态，直接返回
+    if  // 已经在工作状态，直接返回
+    
+    // 重新使能 SGM3833 供电

-    // 1. 拉高 SHUT 重新使能 SGM3833 供电
-    SHUT = 1;
    
    // 2. 延时约 50ms 等待升压/负压输出稳定
    Delay50ms();
--- a/Hardware/~text.kicad_pcb.lck
+++ b/Hardware/~text.kicad_pcb.lck
@@ -0,0 +1 @@
+{"hostname":"DESKTOP-0S8JI7H","username":"xtell"}
--- a/Hardware/~text.kicad_pro.lck
+++ b/Hardware/~text.kicad_pro.lck
@@ -0,0 +1 @@
+{"hostname":"DESKTOP-0S8JI7H","username":"xtell"}
--- a/Hardware/~text.kicad_sch.lck
+++ b/Hardware/~text.kicad_sch.lck
@@ -0,0 +1 @@
+{"hostname":"DESKTOP-0S8JI7H","username":"xtell"}
--- a/wristband.uvopt
+++ b/wristband.uvopt
@@ -171,7 +171,7 @@

  <Group>
    <GroupName>App</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
    <tvExpOptDlg>0</tvExpOptDlg>
    <cbSel>0</cbSel>
    <RteFlg>0</RteFlg>
@@ -187,6 +187,78 @@
      <RteFlg>0</RteFlg>
      <bShared>0</bShared>
    </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>2</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\App\rgb.c</PathWithFileName>
+      <FilenameWithoutPath>rgb.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>3</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\App\event.c</PathWithFileName>
+      <FilenameWithoutPath>event.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>4</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\App\app_manager.c</PathWithFileName>
+      <FilenameWithoutPath>app_manager.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>5</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\App\database.c</PathWithFileName>
+      <FilenameWithoutPath>database.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>6</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\App\ui.c</PathWithFileName>
+      <FilenameWithoutPath>ui.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
+    <File>
+      <GroupNumber>1</GroupNumber>
+      <FileNumber>7</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>.\App\system.c</PathWithFileName>
+      <FilenameWithoutPath>system.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
  </Group>

  <Group>
@@ -197,7 +269,7 @@
    <RteFlg>0</RteFlg>
    <File>
      <GroupNumber>2</GroupNumber>
-      <FileNumber>2</FileNumber>
+      <FileNumber>8</FileNumber>
      <FileType>1</FileType>
      <tvExp>0</tvExp>
      <tvExpOptDlg>0</tvExpOptDlg>
@@ -209,7 +281,7 @@
    </File>
    <File>
      <GroupNumber>2</GroupNumber>
-      <FileNumber>3</FileNumber>
+      <FileNumber>9</FileNumber>
      <FileType>1</FileType>
      <tvExp>0</tvExp>
      <tvExpOptDlg>0</tvExpOptDlg>
				`@@ -0,0 +1 @@`
				`{"hostname":"DESKTOP-0S8JI7H","username":"xtell"}`