joycon-slave/main.c

#include "Beep.h"
#include "STC15F2K60S2.H"
#include "adc.h"
#include "const.h"
#include "displayer.h"
#include "key.h"
#include "sys.h"
#include "uart1.h"
#include "uart2.h"
#include "universal_decode_table.h"

code unsigned long SysClock = 11059200; //必须。定义系统工作时钟频率(Hz)，用户必须修改成与实际工作频率（下载时选择的）一致

char onlineStatus = 0; // 0: offline, 1: online, 2: trying handshake

char buf1[8], buf2[8] = {0}, match[1] = {PROTOCOL_HEADER}, deviceNum = 2, status;

void tryHandshake() // try handshaking with master
{
    if (onlineStatus != 1) // already online, or not confirmed device num
    {
        return;
    }
    buf2[0] = PROTOCOL_HEADER;
    buf2[1] = DEVICE_SPECIAL_PROTOCOL;
    buf2[2] = KEY_REGISTER_SLAVE;
    buf2[3] = KEY_ACTION_SLAVE_REQUEST;
    buf2[4] = deviceNum;
    Uart2Print(buf2, 8);
#ifdef DEBUG
    Uart1Print(buf2, 8);
#endif
}

void registerHandshake() // receive handshake confirmation from master
{
    if (onlineStatus != 1 ||
        buf1[1] != DEVICE_SPECIAL_PROTOCOL ||
        buf1[2] != KEY_REGISTER_SLAVE ||
        buf1[3] != KEY_ACTION_SLAVE_OK ||
        buf1[4] != deviceNum) // not confirmed device num or not proper message
    {
        return;
    }
    SetBeep(500, 10);
    buf2[4] = 0x0;
    onlineStatus = 2;
    return;
}

void navEvent()
{
    switch (onlineStatus)
    {
    case 0:                                     // set device number
        status = GetAdcNavAct(enumAdcNavKeyUp); // increase device number
        if (status == enumKeyPress)
        {
            deviceNum++;
            if (deviceNum > DEVICE_NUM_MAX)
            {
                deviceNum = DEVICE_NUM_MIN;
            }
            return;
        }
        status = GetAdcNavAct(enumAdcNavKeyDown); // reduce device number
        if (status == enumKeyPress)
        {
            deviceNum--;
            if (deviceNum < DEVICE_NUM_MIN)
            {
                deviceNum = DEVICE_NUM_MAX;
            }
            return;
        }
        status = GetAdcNavAct(enumAdcNavKeyCenter); // confirm device number
        if (status == enumKeyPress)
        {
            onlineStatus = 1;
            return;
        }
        break;
    case 2: // send key event
        buf2[0] = PROTOCOL_HEADER;
        buf2[1] = deviceNum;
        status = GetAdcNavAct(enumAdcNavKeyUp);
        switch (status)
        {
        case enumKeyPress:
            buf2[2] = KEY_UP;
            buf2[3] = KEY_ACTION_PRESS;
            goto navSend;
        case enumKeyRelease:
            buf2[2] = KEY_UP;
            buf2[3] = KEY_ACTION_RELEASE;
            goto navSend;
        }
        status = GetAdcNavAct(enumAdcNavKeyDown);
        switch (status)
        {
        case enumKeyPress:
            buf2[2] = KEY_DOWN;
            buf2[3] = KEY_ACTION_PRESS;
            goto navSend;
        case enumKeyRelease:
            buf2[2] = KEY_DOWN;
            buf2[3] = KEY_ACTION_RELEASE;
            goto navSend;
        }
        status = GetAdcNavAct(enumAdcNavKeyLeft);
        switch (status)
        {
        case enumKeyPress:
            buf2[2] = KEY_LEFT;
            buf2[3] = KEY_ACTION_PRESS;
            goto navSend;
        case enumKeyRelease:
            buf2[2] = KEY_LEFT;
            buf2[3] = KEY_ACTION_RELEASE;
            goto navSend;
        }
        status = GetAdcNavAct(enumAdcNavKeyRight);
        switch (status)
        {
        case enumKeyPress:
            buf2[2] = KEY_RIGHT;
            buf2[3] = KEY_ACTION_PRESS;
            goto navSend;
        case enumKeyRelease:
            buf2[2] = KEY_RIGHT;
            buf2[3] = KEY_ACTION_RELEASE;
            goto navSend;
        }
        status = GetAdcNavAct(enumAdcNavKeyCenter);
        switch (status)
        {
        case enumKeyPress:
            buf2[2] = KEY_OK;
            buf2[3] = KEY_ACTION_PRESS;
            goto navSend;
        case enumKeyRelease:
            buf2[2] = KEY_OK;
            buf2[3] = KEY_ACTION_RELEASE;
            goto navSend;
        }
        status = GetAdcNavAct(enumAdcNavKey3);
        switch (status)
        {
        case enumKeyPress:
            buf2[2] = KEY3;
            buf2[3] = KEY_ACTION_PRESS;
            goto navSend;
        case enumKeyRelease:
            buf2[2] = KEY3;
            buf2[3] = KEY_ACTION_RELEASE;
            goto navSend;
        }
        break;
    }
navSend:
    Uart2Print(buf2, 8);
#ifdef DEBUG
    Uart1Print(buf2, 8);
#endif
    return;
}

void displaySet()
{
    Seg7Print(deviceNum, 0, 0, 0, 0, 0, 0, 0);
}

void keyEvent()
{
    buf2[0] = PROTOCOL_HEADER;
    buf2[1] = deviceNum;
    status = GetKeyAct(enumKey1);
    switch (status)
    {
    case enumKeyPress:
        buf2[2] = KEY1;
        buf2[3] = KEY_ACTION_PRESS;
        goto keySend;
    case enumKeyRelease:
        buf2[2] = KEY1;
        buf2[3] = KEY_ACTION_RELEASE;
        goto keySend;
    }
    status = GetKeyAct(enumKey2);
    switch (status)
    {
    case enumKeyPress:
        buf2[2] = KEY2;
        buf2[3] = KEY_ACTION_PRESS;
        goto keySend;
    case enumKeyRelease:
        buf2[2] = KEY2;
        buf2[3] = KEY_ACTION_RELEASE;
        goto keySend;
    }
keySend:
    Uart2Print(buf2, 8);
#ifdef DEBUG
    Uart1Print(buf2, 8);
#endif
    return;
}

void main()
{
    MySTC_Init();
    Uart2Init(4800, Uart2Usedfor485ModBus);
    DisplayerInit();
    BeepInit();
    AdcInit(ADCexpEXT);
    LedPrint(0);
    SetDisplayerArea(0, 1);
    Seg7Print(deviceNum, 0, 0, 0, 0, 0, 0, 0);
    KeyInit();
    SetUart2Rxd(buf1, 8, match, 1);
#ifdef DEBUG
    Uart1Init(4800);
    SetUart1Rxd(buf1, 8, match, 1);
    SetEventCallBack(enumEventUart1Rxd, registerHandshake);
    Uart1Print(buf2, 8);
#endif
    SetEventCallBack(enumEventUart2Rxd, registerHandshake);
    SetEventCallBack(enumEventKey, keyEvent);
    SetEventCallBack(enumEventNav, navEvent);
    SetEventCallBack(enumEventSys100mS, displaySet);
    SetEventCallBack(enumEventSys1S, tryHandshake);
    while (1)
    {
        MySTC_OS();
    }
}