#include <8052.h>
#include "serial_command.h"

#include "temp.h"

typedef unsigned int u16;
typedef unsigned char u8;

u8 cmdCode = 0;
u8 lightCmdCode = 0x0;
u8 tempCmdCode = 0x0;
u8 newCmdFlag = 0;

u16 tim0countAll = 2000;
u16 tim0count = 0;
u8 tim0flag = 0;

char g_mode = 0x01;
char g_bodyMode = 0x00;
#define person = P1_0;
char g_gasMode = 0x00;
#define gasState = P1_1;
char FAS_LIGHT_BLINK = 0x50;
#define beep = P1_5;

u8 m_flag = 0;

// LcdDisplay
#define LSA P2_2
#define LSB P2_3
#define LSC P2_4
u8 DisplayData[8];
// u8 DisplayData[8] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07};
u8 LcdSegment[10] = {
    0x3F,
    0x06,
    0x5B,
    0x4F,
    0x66,
    0x6D,
    0x7D,
    0x07,
    0x7F,
    0x6F
};

#define CLASS_3
#define CLASS_4

void delay(u16 i) {
    while (i--);
}

void Uart1Send(u16 sendData) {
    TI = 0;
    SBUF = (char) (sendData >> 8);
    while (TI == 0) {
    }
    TI = 0;

    SBUF = (char) (sendData & 0xFF);
    while (TI == 0) {
    }
    TI = 0;
    delay(50);
}

void UsartInit(void) {
    SCON = 0x50;
    TMOD = 0x22;
    PCON = 0x80;
    TH1 = 0xF4;
    TL1 = 0xF4;
    ES = 1;
    EA = 1;
    TR1 = 1;
    PS = 1;
}

void Usart(void) __interrupt(4) {
    cmdCode = SBUF;
    newCmdFlag = 1;
    RI = 0;
}

void ProcessCommand(void) {
    if (newCmdFlag) {
#ifdef CLASS_3
        u16 recvData;
        recvData = (cmdCode << 8) + cmdCode;
        Uart1Send(recvData);
#endif
        newCmdFlag = 0;
        switch (cmdCode) {
            case CTRL_CODE_CYCLE_500ms:
                tim0countAll = 2000;
                break;
            case CTRL_CODE_CYCLE_1s:
                tim0countAll = 4000;
                break;
            case CTRL_CODE_CYCLE_2s:
                tim0countAll = 8000;
                break;
            case CTRL_CODE_CYCLE_5s:
                tim0countAll = 20000;
                break;
            case CTRL_CODE_TEMP_Enable:
            case CTRL_CODE_TEMP_Disable:
                tempCmdCode = cmdCode;
                break;
            case CTRL_CODE_BODY_Disable:
            case CTRL_CODE_BODY_Buzzer:
            case CTRL_CODE_BODY_Light:
                g_bodyMode = cmdCode;
                break;
            case CTRL_CODE_SYSMODE_Disable:
            case CTRL_CODE_SYSMODE_Telemetry:
            case CTRL_CODE_SYSMODE_Security:
                g_mode = cmdCode;
                break;
            case CTRL_CODE_GAS_Disable:
            case CTRL_CODE_GAS_State:
            case CTRL_CODE_GAS_Data:
                g_gasMode = cmdCode;
                break;
            default:
                break;
        }
    }
}

void LcdDisplay(void) {
    u8 i;
    for (i = 0; i < 6; i++) {
        switch (i) {
            case 0:
                LSA = 0;
                LSB = 0;
                LSC = 0;
                break;
            case 1:
                LSA = 1;
                LSB = 0;
                LSC = 0;
                break;
            case 2:
                LSA = 0;
                LSB = 1;
                LSC = 0;
                break;
            case 3:
                LSA = 1;
                LSB = 1;
                LSC = 0;
                break;
            case 4:
                LSA = 0;
                LSB = 0;
                LSC = 1;
                break;
            case 5:
                LSA = 1;
                LSB = 0;
                LSC = 1;
                break;
        }
        P0 = DisplayData[5 - i];
        delay(100);
        P0 = 0x00;
    }
}

void TempProc(int temp) {
    float tp;
    u8 i = 0;
    if (temp < 0) {
        DisplayData[0] = 0x40;
        temp = temp - 1;
        temp = ~temp;
        tp = temp;
        temp = tp * 0.0625 * 100 + 0.5;
    } else {
        DisplayData[0] = 0x00;
        tp = temp;
        temp = tp * 0.0625 * 100 + 0.5;
    }
    DisplayData[1] = LcdSegment[temp / 10000];
    DisplayData[2] = LcdSegment[temp % 10000 / 1000];
    DisplayData[3] = LcdSegment[temp % 1000 / 100] | 0x80;
    DisplayData[4] = LcdSegment[temp % 100 / 10];
    DisplayData[5] = LcdSegment[temp % 10];
}

void ProcessTempCmd(void) {
    u16 t_send = 0, tc = 0, td = 0;
    int temp;
#ifdef CLASS_4
    tempCmdCode = CTRL_CODE_TEMP_Enable;
#endif
    if (tempCmdCode == CTRL_CODE_TEMP_Enable) {
        EA = 0;
        temp = Ds18b20ReadTemp();
        EA = 1;
        tc = MCU_CMD_TEMP << 12;
        td = (u16) temp & 0xFFF;
        //t_send = td + tc;
        t_send = temp;
        Uart1Send(t_send);
        TempProc(temp);
    }
}

int ProcessBodyCmd(void) {
    return 0;
}

void ProcessLightCmd(void) {
}

int ProcessGasCmd(void) {
    return 0;
}

void main(void) {
    int gasFlag, bodyFlag;
    UsartInit();
    while (1) {
        ProcessCommand();

#ifdef CLASS_4
        ProcessTempCmd();
        LcdDisplay();
#endif

        if (tim0flag) {
            tim0flag = 0;
            if (g_mode == CTRL_CODE_SYSMODE_Security) {
                bodyFlag = ProcessBodyCmd();
            }
            if ((g_mode == CTRL_CODE_SYSMODE_Security) || (g_mode == CTRL_CODE_SYSMODE_Telemetry)) {
                gasFlag = ProcessGasCmd();
            }
            ProcessLightCmd();
            if (tempCmdCode != CTRL_CODE_TEMP_Disable) {
                ProcessTempCmd();
            }
        }
    }
}