328 lines
7.3 KiB
C
328 lines
7.3 KiB
C
#include "system.h"
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#include "rgb.h"
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#include "ui.h"
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#include "../Drivers/lcd.h"
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void GPIO_Init(void)
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{
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IE = 0x00;
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IE2 = 0x00;
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TCON = 0x00;
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TMOD &= 0xF0;
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TR0 = 0;
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ET0 = 0;
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AUXR = 0x00;
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INTCLKO = 0x00;
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P_SW1 = 0x00;
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P_SW2 = 0x80; // 开启 EAXFR=1，允许访问 P0PU/P2PU/P0INTE/P2INTE 等扩展 SFR 寄存器
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P_SW3 = 0x00;
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// 配置 P0.0 (BAT_ADC) 为高阻输入模式
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P0M1 |= (1 << 0);
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P0M0 &= ~(1 << 0);
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// 配置 P0.1 (KEY_UP), P0.2 (KEY_CONFIRM), P0.3 (KEY_DOWN) 为准双向口模式并置 1
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P0M1 &= ~((1 << 1) | (1 << 2) | (1 << 3));
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P0M0 &= ~((1 << 1) | (1 << 2) | (1 << 3));
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KEY_UP = 1;
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KEY_CONFIRM = 1;
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KEY_DOWN = 1;
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// 配置 P2.3 (RGB_DIN) 为推挽输出模式
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P2M1 &= ~(1 << 3);
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P2M0 |= (1 << 3);
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RGB_DIN = 0;
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// 配置 P2.5 (MOTOR) 为推挽输出模式
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P2M1 &= ~(1 << 5);
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P2M0 |= (1 << 5);
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MOTOR = 0;
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// 配置 P2.6 (KEY_SOS) 为准双向口模式并置 1
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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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// 配置 P2.2 (SHUT) 为推挽输出模式
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P2M1 &= ~(1 << 2);
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P2M0 |= (1 << 2);
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SHUT = 1; // 默认拉高开启射频接收芯片工作
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// 开启按键引脚 P0.1, P0.2, P0.3 和 P2.6 的内部上拉电阻，避免引脚抖动误唤醒
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P0PU |= 0x0E;
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P2PU |= 0x40;
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// 配置 P2.7 (DET) 为高阻输入模式
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P2M1 |= (1 << 7);
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P2M0 &= ~(1 << 7);
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// 配置 P3.0 (TXD), P3.1 (RXD) 和 P3.4 (SGM_CTRL)
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P3M1 &= ~((1 << 0) | (1 << 1) | (1 << 4));
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P3M0 &= ~(1 << 0);
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P3M0 |= ((1 << 1) | (1 << 4));
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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 = 12000; j > 0; j--);
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}
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void Delay10us(void)
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{
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unsigned char data i;
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_nop_();
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i = 30;
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while (--i);
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}
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u16 GetTimer0_Safe(void)
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{
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u8 h1, l, h2;
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do {
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h1 = TH0;
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l = TL0;
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h2 = TH0;
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} while (h1 != h2);
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return ((u16)h1 << 8) | l;
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}
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void Delay_us(u16 us)
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{
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u16 ticks = (u16)((u32)us * (MAIN_Fosc / 1000000UL) / 12UL);
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TL0 = 0;
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TH0 = 0;
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TR0 = 1;
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while (GetTimer0_Safe() < ticks);
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TR0 = 0;
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}
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void Uart1_Init(void)
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{
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u16 reload = (u16)(65536UL - (MAIN_Fosc / 4 / 115200UL));
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SCON = 0x50;
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AUXR |= 0x01;
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AUXR |= 0x04;
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T2L = (u8)reload;
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T2H = (u8)(reload >> 8);
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AUXR |= 0x10;
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TI = 0;
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}
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void Uart_SendByte(u8 dat)
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{
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REN = 0;
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SBUF = dat;
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while (!TI);
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TI = 0;
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RI = 0;
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REN = 1;
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}
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void Uart_SendString(char *s)
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{
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REN = 0;
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while (*s) {
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SBUF = *s++;
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while (!TI);
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TI = 0;
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}
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RI = 0;
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REN = 1;
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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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char c = SBUF;
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RI = 0;
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return c;
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}
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return 0;
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}
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void Uart_SendHex4(u8 val)
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{
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val &= 0x0F;
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if (val < 10)
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Uart_SendByte((u8)('0' + val));
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else
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Uart_SendByte((u8)('A' + (val - 10)));
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}
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void Uart_SendHex8(u8 val)
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{
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Uart_SendHex4(val >> 4);
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Uart_SendHex4(val);
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}
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void Uart_SendHex20(u32 val)
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{
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Uart_SendHex4((u8)(val >> 16));
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Uart_SendHex8((u8)(val >> 8));
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Uart_SendHex8((u8)val);
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}
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void Uart_SendHex32(u32 val)
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{
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Uart_SendHex8((u8)(val >> 24));
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Uart_SendHex8((u8)(val >> 16));
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Uart_SendHex8((u8)(val >> 8));
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Uart_SendHex8((u8)val);
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}
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void Uart_SendHex16(u16 val)
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{
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Uart_SendHex8((u8)(val >> 8));
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Uart_SendHex8((u8)val);
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}
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void FormatHex(u32 val, char *buf)
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{
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u8 i;
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buf[0] = 'A'; buf[1] = 'D'; buf[2] = 'D'; buf[3] = 'R'; buf[4] = ':';
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buf[5] = ' '; buf[6] = '0'; buf[7] = 'x';
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for (i = 0; i < 5; i++) {
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u8 nibble = (val >> (4 * (4 - i))) & 0x0F;
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if (nibble < 10)
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buf[8 + i] = '0' + nibble;
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else
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buf[8 + i] = 'A' + (nibble - 10);
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}
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buf[13] = '\0';
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}
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void Enter_Low_Power_Sleep(void)
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{
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// 串口打印进入休眠提示
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Uart_SendString("[SYS] Entering low power sleep...\r\n");
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// 1. 熄灭 FCOB 双幻彩灯条
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RGB_Send(0, 0, 0, 0, 0, 0);
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// 2. 向屏幕发送 Display OFF (0x28) 彻底关闭像素发光显示
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WriteComm(0x28);
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Delay_ms(20);
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// 3. AMOLED 屏控制器写入 Sleep In (0x10) 睡眠指令
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WriteComm(0x10);
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Delay_ms(20);
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// 4. 拉低 SGM_CTRL 彻底断开 SGM3833 负压升压芯片的供电
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SGM_CTRL = 0;
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// 5. 将 AMOLED 控制总线所有 IO 拉低，以防由于 IO 寄生二极管对屏幕倒灌电导致常亮
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LCD_CS = 0;
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LCD_RST = 0;
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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. 休眠状态下不能关闭接收芯片，保持 SHUT 为高电平 (1) 工作状态
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SHUT = 1;
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// 确保开启扩展寄存器访问 (EAXFR = 1)，以便能正确配置端口唤醒使能扩展寄存器
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P_SW2 |= 0x80;
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// 7. 配置 P0.1, P0.2, P0.3 为 低电平触发 唤醒
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P0IM1 |= 0x0E;
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P0IM0 &= ~0x0E;
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P0INTE |= 0x0E;
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// 8. 配置 P2.6 (KEY_SOS) 为 低电平触发 唤醒
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P2IM1 |= 0x40;
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P2IM0 &= ~0x40;
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P2INTE |= 0x40;
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// ===== 配置端口掉电唤醒使能寄存器 PxWKUE =====
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P0WKUE |= 0x0E; // 使使能 P0.1/P0.2/P0.3 掉电唤醒
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P2WKUE |= 0x40; // 使使能 P2.6 掉电唤醒
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// 9. 不允许外部中断 2 (RF_RX_DATA) 沿触发唤醒源
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EX2 = 0;
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// 10. 清除端口中断的悬挂/标志位，防误触
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P0INTF = 0x00;
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P2INTF = 0x00;
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// 11. 关闭 Timer1 中断，保持 EA=1 让端口中断能唤醒
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ET1 = 0;
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EA = 1;
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// 12. 写入 PCON 掉电模式位，使 MCU 进入深度 Power-Down 挂起状态
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Uart_SendString("[SYS] Entering Power-Down mode...\r\n");
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PCON |= 0x02; // PD = 1
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_nop_();
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_nop_();
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_nop_();
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_nop_();
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// 13. 唤醒并执行完 ISR 后，CPU 从这里继续执行
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Wakeup_Restore();
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}
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void Wakeup_Restore(void)
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{
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u8 p0_flag;
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u8 p2_flag;
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// 确保 EAXFR=1 才能访问扩展 SFR (P0INTF/P2INTF/P0INTE/P2INTE)
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EAXFR = 1;
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// [诊断] 在清除标志位之前先读取，判断唤醒来源
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p0_flag = P0INTF;
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p2_flag = P2INTF;
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// 1. 立即禁用端口中断和唤醒，防止继续触发
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P0INTE = 0x00;
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P2INTE = 0x00;
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P0WKUE = 0x00; // 清除 P0 唤醒允许
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P2WKUE = 0x00; // 清除 P2 唤醒允许
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P0INTF = 0x00;
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P2INTF = 0x00;
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EX2 = 0;
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// 1b. 关闭掉电唤醒定时器
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WKTCH = 0x00;
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WKTCL = 0x00;
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// 2. 重新开启全局中断与 Timer1 中断
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EA = 1;
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ET1 = 1;
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// [诊断] 打印唤醒来源
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if (p0_flag & 0x0E) {
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Uart_SendString("[WR] Woken by KEY P0 (P0INTF=0x");
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Uart_SendHex8(p0_flag);
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Uart_SendString(")\r\n");
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} else if (p2_flag & 0x40) {
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Uart_SendString("[WR] Woken by KEY P2 (P2INTF=0x");
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Uart_SendHex8(p2_flag);
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Uart_SendString(")\r\n");
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} else {
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Uart_SendString("[WR] Woken by TIMER (no key flag)\r\n");
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}
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// 3. 保持 SHUT 开启射频接收芯片工作
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SHUT = 1;
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// 4. 拉高 SGM_CTRL 并发送脉冲使能 SGM3833 升压
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SGM_CTRL = 1;
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SGM_SendPulse(27);
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// 5. 等待负压电轨充分稳定
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Delay_ms(200);
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// 6. 重做屏控制器 RM69310 寄存器组的初始化
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LCD_Init();
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// 7. 重置闲置倒计时
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inactivity_timer = 0;
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// 8. 直接绘制时钟界面（绕过 AppManager 早期返回保护）
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current_state = STATE_NORMAL;
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UI_ShowClockPage(current_state, current_hour, current_min);
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Uart_SendString("[SYS] Wakeup restored!\r\n");
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}
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