4a89aef71e
Root cause found via datasheet: PxIM0/PxIM1 has no dual-edge mode, only falling/rising/low-level/high-level. (IM1=1,IM0=1) was actually high-level interrupt, refiring continuously for the whole high-pulse duration (confirmed by scope: no real HF noise, and edge_count=0 when P3.6 grounded). Fix: start in rising-edge mode, software-toggle to the opposite edge on every trigger (ping-pong) to emulate true dual-edge triggering, feeding exact edge direction into the incremental decode state machine (no glitch filter needed). Also switch P3.6 idle bias from pull-up to pull-down, since floating-high under the old high-level mode caused the interrupt-storm boot issue; removed the now-conflicting pull-up restore in Wakeup_Restore().
502 lines
15 KiB
C
502 lines
15 KiB
C
#include "system.h"
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#include "rgb.h"
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#include "ui.h"
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#include "clock.h"
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#include "../Drivers/lcd.h"
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#include "../Drivers/rf.h"
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#include "../Drivers/adc.h"
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#include "../Drivers/pcf8563.h"
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#include "intrins.h"
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// 引用 main.c 中的全局唤醒与运行状态变量
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extern volatile u8 p0_wakeup_flag;
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extern volatile u8 p2_wakeup_flag;
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extern volatile u8 p3_wakeup_flag;
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extern volatile u8 rf_wakeup_flag;
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/**
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* @brief 系统 GPIO 端口模式初始化
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* @details 配置各引脚的推挽输出、高阻输入及准双向模式，建立系统初始电气环境。
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*/
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void GPIO_Init(void)
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{
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// 使能访问扩展特殊功能寄存器 XSFR
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EAXFR = 1;
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// 1. 配置 PWR_HOLD (P0.0) 为推挽输出模式 (P0M1 bit0=0, P0M0 bit0=1)
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P0M1 &= ~(1 << 0);
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P0M0 |= (1 << 0);
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PWR_HOLD = 1; // 上电第一时间拉高，锁存电源保持供电
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// 2. 配置 KEY_UP (P0.1), KEY_CONFIRM (P0.2) 为高阻输入/带上拉准双向
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P0M1 &= ~((1 << 1) | (1 << 2));
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P0M0 &= ~((1 << 1) | (1 << 2));
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KEY_UP = 1;
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KEY_CONFIRM = 1;
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// 3. 初始化 STC32G 硬件 ADC 模块 (其中自动配置 P0.3 和 P1.3 为高阻输入模式)
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ADC_Init();
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// 4. 配置 PCF8563 I2C 管脚 P3.2 (SCL) 与 P3.3 (SDA) 为准双向口模式，并开上拉
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P3M1 &= ~((1 << 2) | (1 << 3));
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P3M0 &= ~((1 << 2) | (1 << 3));
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P3PU |= (1 << 2) | (1 << 3); // 开启 P3.2 与 P3.3 的内部 4.7K 上拉电阻
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RTC_SCL = 1;
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RTC_SDA = 1;
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// 5. 配置推挽输出引脚:
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// MOTOR (P2.5), RGB_DIN (P2.3) -> P2M1 bit5,3=0; P2M0 bit5,3=1
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P2M1 &= ~((1 << 5) | (1 << 3));
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P2M0 |= ((1 << 5) | (1 << 3));
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MOTOR = 0;
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RGB_DIN = 0; // P2.3 初始拉低，防止上电期间 WS2812B 误触发
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// 配置 KEY_SOS (P2.6) 为带上拉准双向口模式以确保输入稳定
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P2M1 &= ~(1 << 6);
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P2M0 &= ~(1 << 6);
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KEY_SOS = 1;
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(*(unsigned char volatile xdata *)0xFE12) |= (1 << 6); // 使能 P2.6 的强内部上拉电阻 (P2PU = 0xFE12)
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// SGM_CTRL (P1.7), LCD 控制管脚 (P1.0, P1.1, P1.4, P1.5, P1.6) 置为推挽输出
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P1M1 &= ~((1 << 7) | (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 6));
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P1M0 |= ((1 << 7) | (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 6));
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// SHUT (P3.5) 射频/外设开启使能脚置为推挽输出
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P3M1 &= ~(1 << 5);
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P3M0 |= (1 << 5);
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SHUT = 0; // 低电平开启工作
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// 7. 配置 CHRG_DET (P1.2) 为高阻输入模式，适配 DET 模拟 ADC 通道 2
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// 由于是精密模拟电平检测，切勿开启引脚内部上拉电阻
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P1M1 |= (1 << 2);
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P1M0 &= ~(1 << 2);
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// P1PU 在扩展 XSFR 空间中没有被定义的话可以用 P1 端口寄存器或者是关闭上拉，
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// STC32G 中端口上拉寄存器是 P1PU (FE11H)，因为是 XSFR 我们在 config.h 里有 extern 或直接操作
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// 扩展 XSFR P1PU 地址为 0xFE11
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(*(unsigned char volatile xdata *)0xFE11) &= ~(1 << 2);
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}
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/**
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* @brief 初始化 UART1 串口通信
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* @details 设定波特率 115200 (使用 Timer2 作为发生器，24.0MHz 晶振)
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*/
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void Uart1_Init(void)
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{
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SCON = 0x50; // 8 位数据, 可变波特率
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AUXR |= 0x01; // 串口 1 选择 Timer2 做波特率发生器
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AUXR |= 0x04; // Timer2 时钟为 1T 模式
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T2L = 0xCC; // 24MHz / 115200 = 208 (0xD0), 对应 reload 值 65536 - 52 = 0xFFCC
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T2H = 0xFF;
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AUXR |= 0x10; // 启动 Timer2 运行
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}
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/**
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* @brief 串口 1 发送单字节数据
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* @param dat 待发送的字节
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*/
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void Uart_SendByte(u8 dat)
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{
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SBUF = dat;
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while (!TI);
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TI = 0;
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}
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/**
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* @brief 串口 1 发送字符串
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* @param s 字符串指针
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*/
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void Uart_SendString(char *s)
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{
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while (*s) {
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Uart_SendByte(*s++);
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}
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}
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/**
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* @brief 串口 1 非阻塞接收字符
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* @return char 接收到的字符，若无接收数据则返回 '\0'
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*/
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char Uart_RxChar(void)
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{
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if (RI) {
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RI = 0;
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return SBUF;
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}
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return '\0';
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}
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/**
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* @brief 阻塞毫秒延时
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* @param ms 毫秒数
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*/
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void Delay_ms(u16 ms)
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{
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u16 i, j;
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for (i = 0; i < ms; i++) {
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for (j = 0; j < 2000; j++) {
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_nop_();
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}
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}
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}
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/**
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* @brief 阻塞微秒延时
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* @param us 微秒数
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*/
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void Delay_us(u16 us)
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{
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u16 i;
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for (i = 0; i < us; i++) {
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_nop_(); _nop_(); _nop_(); _nop_();
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}
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}
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/**
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* @brief 系统开机上电硬件自检函数
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* @details 检测 PWR_HOLD 锁存状态、ADC 采样基准与串口通讯，输出完整自检 report
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*/
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void Self_Test(void)
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{
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u16 key_down_adc;
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u16 vbat_mv;
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u16 batt_adc_raw;
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u8 percent;
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Uart_SendString("\r\n========================================\r\n");
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Uart_SendString("[SELF-TEST] System Power-On Self Test...\r\n");
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// 执行 I2C 总线器件扫描，查找 RTC 是否物理响应
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PCF8563_ScanDiagnostic();
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// 0. I2C 硬件脚电平诊断测试 (验证引脚可控性与短路)
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Uart_SendString("[I2C-DIAG] Pin Level Test Starting...\r\n");
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// 写 1 测试 (准双向+上拉)
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P3M1 &= ~((1 << 2) | (1 << 3));
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P3M0 &= ~((1 << 2) | (1 << 3));
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P3PU |= (1 << 2) | (1 << 3);
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RTC_SCL = 1;
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RTC_SDA = 1;
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Delay_ms(10);
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Uart_SendString("[I2C-DIAG] Write SCL=1, SDA=1 -> Real Level: SCL=");
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Uart_SendByte((u8)(RTC_SCL ? '1' : '0'));
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Uart_SendString(", SDA=");
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Uart_SendByte((u8)(RTC_SDA ? '1' : '0'));
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Uart_SendString("\r\n");
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// 写 0 测试
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RTC_SCL = 0;
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RTC_SDA = 0;
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Delay_ms(10);
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Uart_SendString("[I2C-DIAG] Write SCL=0, SDA=0 -> Real Level: SCL=");
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Uart_SendByte((u8)(RTC_SCL ? '1' : '0'));
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Uart_SendString(", SDA=");
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Uart_SendByte((u8)(RTC_SDA ? '1' : '0'));
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Uart_SendString("\r\n");
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// 0.2 执行 RTC 底层单独试读测试
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PCF8563_TryReadDiagnostic();
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// 1. 验证 PWR_HOLD 锁存状态
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if (PWR_HOLD == 1) {
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Uart_SendString("[SELF-TEST] PWR_HOLD Pin State: HIGH [OK]\r\n");
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} else {
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Uart_SendString("[SELF-TEST] PWR_HOLD Pin State: LOW [FAIL]\r\n");
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}
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// 2. 检查 P0.3 ADC 按键基准常态电压
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key_down_adc = ADC_ReadFiltered(ADC_CHANNEL_KEY_DOWN);
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Uart_SendString("[SELF-TEST] KEY_DOWN (P0.3) ADC Raw Value: ");
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Uart_SendByte((u8)('0' + (key_down_adc / 1000) % 10));
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Uart_SendByte((u8)('0' + (key_down_adc / 100) % 10));
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Uart_SendByte((u8)('0' + (key_down_adc / 10) % 10));
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Uart_SendByte((u8)('0' + (key_down_adc % 10)));
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Uart_SendString(" [OK]\r\n");
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// 2.2 检测 KEY_SOS (P2.6) 物理电平常态
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Uart_SendString("[SELF-TEST] KEY_SOS (P2.6) Pin Level: ");
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Uart_SendByte((u8)(KEY_SOS ? '1' : '0'));
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Uart_SendString("\r\n");
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// 3. 检查 P1.3 电池电压检测与百分比
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vbat_mv = ADC_GetBatteryVoltage_mV();
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percent = ADC_GetBatteryPercent();
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batt_adc_raw = ADC_ReadFiltered(ADC_CHANNEL_BATTERY);
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Uart_SendString("[SELF-TEST] Battery Raw ADC: ");
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Uart_SendByte((u8)('0' + (batt_adc_raw / 1000) % 10));
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Uart_SendByte((u8)('0' + (batt_adc_raw / 100) % 10));
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Uart_SendByte((u8)('0' + (batt_adc_raw / 10) % 10));
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Uart_SendByte((u8)('0' + (batt_adc_raw % 10)));
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Uart_SendString(" -> Voltage: ");
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Uart_SendByte((u8)('0' + (vbat_mv / 1000) % 10));
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Uart_SendByte('.');
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Uart_SendByte((u8)('0' + (vbat_mv / 100) % 10));
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Uart_SendByte((u8)('0' + (vbat_mv / 10) % 10));
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Uart_SendString(" V, Capacity: ");
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Uart_SendByte((u8)('0' + (percent / 100) % 10));
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Uart_SendByte((u8)('0' + (percent / 10) % 10));
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Uart_SendByte((u8)('0' + (percent % 10)));
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Uart_SendString("% [OK]\r\n");
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// 4. 检查充电状态
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{
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u16 det_adc = ADC_ReadFiltered(ADC_CHANNEL_CHRG_DET);
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u16 det_mv = (det_adc * 3300UL) / 4095UL;
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Uart_SendString("[SELF-TEST] CHRG_DET (P1.2) ADC: ");
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Uart_SendByte((u8)('0' + (det_adc / 1000) % 10));
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Uart_SendByte((u8)('0' + (det_adc / 100) % 10));
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Uart_SendByte((u8)('0' + (det_adc / 10) % 10));
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Uart_SendByte((u8)('0' + (det_adc % 10)));
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Uart_SendString(" -> Voltage: ");
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Uart_SendByte((u8)('0' + (det_mv / 1000) % 10));
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Uart_SendByte('.');
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Uart_SendByte((u8)('0' + (det_mv / 100) % 10));
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Uart_SendByte((u8)('0' + (det_mv / 10) % 10));
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Uart_SendString(" V -> ");
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if (det_mv >= 800 && det_mv <= 1800) {
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Uart_SendString("CHARGING [OK]\r\n");
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} else if (det_mv >= 2200 && det_mv <= 2800) {
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Uart_SendString("FULLY CHARGED [OK]\r\n");
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} else {
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Uart_SendString("NOT CHARGING [OK]\r\n");
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}
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}
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Uart_SendString("[SELF-TEST] Self Test Completed Successfully!\r\n");
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Uart_SendString("========================================\r\n\r\n");
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}
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/**
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* @brief 执行关机断电流程
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* @details 关断外设、震动提示并拉低 PWR_HOLD 引脚切断总电源
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*/
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void Power_Off(void)
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{
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Uart_SendString("[SYS] Executing Power Off sequence...\r\n");
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// 马达震动反馈 100ms
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MOTOR = 1;
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Delay_ms(100);
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MOTOR = 0;
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// 关断屏幕背光与 RGB 灯光
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SGM_CTRL = 1; // 高电平断电，关闭背光灭屏
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RGB_Send(0, 0, 0, 0, 0, 0);
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// 拉低 PWR_HOLD 切断电源锁存使总电源关闭
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PWR_HOLD = 0;
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// 进入死循环等待电源物理切断
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while (1) {
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PWR_HOLD = 0;
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}
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}
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/**
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* @brief 系统切入低功耗停机休眠模式
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*/
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void Enter_Low_Power_Sleep(void)
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{
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Uart_SendString("[SYS] Entering low power sleep...\r\n");
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// 1. 关闭/熄灭 RGB 灯
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RGB_Send(0, 0, 0, 0, 0, 0);
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// 2. 向 LCD 芯片写入 Display OFF 指令 (0x28) 关显示
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WriteComm(0x28);
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Delay_ms(20);
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// 3. 向 LCD 芯片写入 Sleep In 指令 (0x10) 关内部电荷泵
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WriteComm(0x10);
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Delay_ms(20);
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// 4. 关闭背光（高电平断电，关闭背光灭屏）
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SGM_CTRL = 1;
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// 5. 屏幕接口防漏电处理
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LCD_CS = 1;
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LCD_RST = 1;
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LCD_DCX = 0;
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LCD_SCL = 0;
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LCD_SDI = 0;
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// 6. 射频设置为关闭接收模式（低功耗，SHUT=0, RF_SetMode(0)）
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RF_SetMode(0);
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// 使能访问扩展特殊功能寄存器
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P_SW2 |= 0x80;
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// 7. 配置 Port0 中断唤醒源 (KEY_UP=P0.1, KEY_CONFIRM=P0.2, KEY_DOWN=P0.3)
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P0IM1 |= 0x0E;
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P0IM0 &= ~0x0E; // 下降沿触发
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P0INTF = 0x00; // 清除挂起的中断标志
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P0INTE |= 0x0E; // 开启 P0.1, P0.2, P0.3 中断允许
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P0WKUE |= 0x0E; // 使能 P0.1, P0.2, P0.3 掉电唤醒
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// 8. 配置 Port2 中断唤醒源 (SOS=P2.6)
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P2IM1 |= 0x40;
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P2IM0 &= ~0x40; // 下降沿触发
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P2INTF = 0x00; // 清除挂起标志
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P2INTE |= 0x40; // 开启 P2.6 中断允许
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P2WKUE |= 0x40; // 使能 P2.6 掉电唤醒
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// 9. 配置 Port3 掉电唤醒源 (RF_RX_DATA=P3.6)
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// 双边沿触发与 P3INTE 中断允许现已在 RF_Init() 中常态开启 (供正常运行期间的边沿解码使用)，
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// 此处只需重新武装 P3WKUE (掉电唤醒使能，会被 Wakeup_Restore() 清零) 与清除挂起标志
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P3INTF = 0x00; // 清除挂起标志
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P3WKUE |= 0x40; // 使能 P3.6 掉电唤醒
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// 确保引脚上拉和输入使能，防止因浮空产生的功耗泄漏
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P2PU |= 0x40;
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P2IE |= 0x40;
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P3PU &= ~0x40;
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P3IE |= 0x40;
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// 清零各个唤醒检测标志位
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P0INTF = 0x00;
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P2INTF = 0x00;
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P3INTF = 0x00;
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p0_wakeup_flag = 0;
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p2_wakeup_flag = 0;
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p3_wakeup_flag = 0;
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rf_wakeup_flag = 0;
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// 10. 关闭系统滴答定时器 Timer1 与 RF 时间戳基准 Timer0 的中断，防止休眠时被定时器误唤醒
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// (Power Down 模式下主振荡器本应整体停振，Timer0/1 都会随之停止计数；这里仍显式关闭
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// 中断允许作为防御性保险，与 ET1 的处理方式保持一致)
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ET0 = 0;
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ET1 = 0;
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EA = 1; // 开启全局中断
|
||
|
||
// 配置 PCON 挂起单片机，切入停机 (Power Down) 模式
|
||
PCON |= 0x02; // PD = 1
|
||
_nop_(); _nop_(); _nop_(); _nop_();
|
||
|
||
// ====== 被外部中断唤醒后，在此处继续运行 ======
|
||
Wakeup_Restore();
|
||
}
|
||
|
||
/**
|
||
* @brief 休眠唤醒恢复
|
||
*/
|
||
void Wakeup_Restore(void)
|
||
{
|
||
EAXFR = 1;
|
||
// 1. 立即关闭 P0/P2 掉电外部中断允许与全部唤醒允许，防止重入；
|
||
// P3INTE 的 P3.6 位不清零 —— 该中断常态用于正常运行期间的 RF 边沿解码，唤醒后仍需保持开启
|
||
P0INTE = 0x00;
|
||
P2INTE = 0x00;
|
||
P3INTE = 0x40;
|
||
// P3.6 的悬空钳位已改用内部下拉 (P3PD，在 RF_Init() 里一次性永久开启，Power Down 期间
|
||
// SFR 状态保持不变，无需在这里重新配置)；此处不再恢复上拉，避免上拉与下拉同时使能相互打架
|
||
|
||
P0WKUE = 0x00;
|
||
P2WKUE = 0x00;
|
||
P3WKUE = 0x00;
|
||
P0INTF = 0x00;
|
||
P2INTF = 0x00;
|
||
P3INTF = 0x00;
|
||
|
||
// 2. 清零掉电唤醒定时器
|
||
WKTCH = 0x00;
|
||
WKTCL = 0x00;
|
||
|
||
// 3. 开启全局中断并重启系统滴答定时器 Timer1 与 RF 时间戳基准 Timer0
|
||
EA = 1;
|
||
ET0 = 1;
|
||
ET1 = 1;
|
||
|
||
// 4. 恢复射频芯片工作模式
|
||
RF_SetMode(1);
|
||
|
||
// 打印唤醒调试日志
|
||
if ((p0_wakeup_flag & 0x0E) || (p2_wakeup_flag & 0x40)) {
|
||
Uart_SendString("[WR] Woken by KEY (P0=");
|
||
Uart_SendHex8(p0_wakeup_flag);
|
||
Uart_SendString(", P2=");
|
||
Uart_SendHex8(p2_wakeup_flag);
|
||
Uart_SendString(")\r\n");
|
||
} else if ((p3_wakeup_flag & 0x40) || rf_wakeup_flag) {
|
||
rf_wakeup_flag = 1;
|
||
Uart_SendString("[WR] Woken by RF (P3.6)!\r\n");
|
||
} else {
|
||
Uart_SendString("[WR] Woken by TIMER/Other\r\n");
|
||
}
|
||
|
||
// 5. 恢复屏幕供电与背光（低电平上电，恢复背光亮屏）
|
||
SGM_CTRL = 0;
|
||
|
||
// 6. 延时 200ms 等待液晶稳压板上电稳定后，重新对 LCD 寄存器初始化
|
||
Delay_ms(200);
|
||
LCD_Init();
|
||
|
||
// 7. 充零闲置计时器
|
||
inactivity_timer = 0;
|
||
}
|
||
|
||
/**
|
||
* @brief 安全获取 Timer0 计数器值 (防高字节滚动跳变)
|
||
*/
|
||
u16 GetTimer0_Safe(void)
|
||
{
|
||
u8 high1, high2, low;
|
||
do {
|
||
high1 = TH0;
|
||
low = TL0;
|
||
high2 = TH0;
|
||
} while (high1 != high2);
|
||
return (((u16)high1 << 8) | low);
|
||
}
|
||
|
||
/**
|
||
* @brief 串口 1 发送 4 位十六进制字符 (0x0~0xF)
|
||
*/
|
||
void Uart_SendHex4(u8 val)
|
||
{
|
||
val &= 0x0F;
|
||
if (val < 10) {
|
||
Uart_SendByte('0' + val);
|
||
} else {
|
||
Uart_SendByte('A' + (val - 10));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief 串口 1 发送 8 位十六进制 (0x00~0xFF)
|
||
*/
|
||
void Uart_SendHex8(u8 val)
|
||
{
|
||
Uart_SendHex4(val >> 4);
|
||
Uart_SendHex4(val);
|
||
}
|
||
|
||
/**
|
||
* @brief 串口 1 发送 16 位十六进制 (0x0000~0xFFFF)
|
||
*/
|
||
void Uart_SendHex16(u16 val)
|
||
{
|
||
Uart_SendHex8((u8)(val >> 8));
|
||
Uart_SendHex8((u8)val);
|
||
}
|
||
|
||
/**
|
||
* @brief 串口 1 发送 20 位十六进制 (用于射频 5 位 ID 打印)
|
||
*/
|
||
void Uart_SendHex20(u32 val)
|
||
{
|
||
Uart_SendHex4((u8)(val >> 16));
|
||
Uart_SendHex16((u16)val);
|
||
}
|
||
|
||
/**
|
||
* @brief 串口 1 发送 32 位十六进制
|
||
*/
|
||
void Uart_SendHex32(u32 val)
|
||
{
|
||
Uart_SendHex16((u16)(val >> 16));
|
||
Uart_SendHex16((u16)val);
|
||
}
|