getch.c

AT91RM9200-U-Boot at91rm9200u-boot移植源代码

    {KB_leftSquareBrace     ,"KB_leftSquareBrace"},
    {KB_rightSquareBrace    ,"KB_rightSquareBrace"},
    {KB_enter               ,"KB_enter"},
    {KB_A                   ,"KB_A"},
    {KB_S                   ,"KB_S"},
    {KB_D                   ,"KB_D"},
    {KB_F                   ,"KB_F"},
    {KB_G                   ,"KB_G"},
    {KB_H                   ,"KB_H"},
    {KB_J                   ,"KB_J"},
    {KB_K                   ,"KB_K"},
    {KB_L                   ,"KB_L"},
    {KB_semicolon           ,"KB_semicolon"},
    {KB_apostrophe          ,"KB_apostrophe"},
    {KB_Z                   ,"KB_Z"},
    {KB_X                   ,"KB_X"},
    {KB_C                   ,"KB_C"},
    {KB_V                   ,"KB_V"},
    {KB_B                   ,"KB_B"},
    {KB_N                   ,"KB_N"},
    {KB_M                   ,"KB_M"},
    {KB_comma               ,"KB_comma"},
    {KB_period              ,"KB_period"},
    {KB_divide              ,"KB_divide"},
    {KB_space               ,"KB_space"},
    {KB_tilde               ,"KB_tilde"},
    {0                      ,"KB_unknown"},
    };

/****************************************************************************
PARAMETERS:
x   - X coordinate of the mouse cursor position (screen coordinates)
y   - Y coordinate of the mouse cursor position (screen coordinates)

REMARKS:
This gets called periodically to move the mouse. It will get called when
the mouse may not have actually moved, so check if it has before redrawing
it.
****************************************************************************/
void EVTAPI moveMouse(
    int x,
    int y)
{
}

/****************************************************************************
PARAMETERS:
code    - Code to translate
keys    - Table of translation key values to look up

REMARKS:
Simple function to look up the printable name for the keyboard code.
****************************************************************************/
KeyEntry *FindKey(
    int code,
    KeyEntry *keys)
{
    KeyEntry    *key;

    for (key = keys; key->code != 0; key++) {
        if (key->code == code)
            break;
        }
    return key;
}

/****************************************************************************
PARAMETERS:
evt - Event to display modifiers for

REMARKS:
Function to display shift modifiers flags
****************************************************************************/
void DisplayModifiers(
    event_t *evt)
{
    if (evt->modifiers & EVT_LEFTBUT)
        printf(", LBUT");
    if (evt->modifiers & EVT_RIGHTBUT)
        printf(", RBUT");
    if (evt->modifiers & EVT_MIDDLEBUT)
        printf(", MBUT");
    if (evt->modifiers & EVT_SHIFTKEY) {
        if (evt->modifiers & EVT_LEFTSHIFT)
            printf(", LSHIFT");
        if (evt->modifiers & EVT_RIGHTSHIFT)
            printf(", RSHIFT");
        }
    if (evt->modifiers & EVT_CTRLSTATE) {
        if (evt->modifiers & EVT_LEFTCTRL)
            printf(", LCTRL");
        if (evt->modifiers & EVT_RIGHTCTRL)
            printf(", RCTRL");
        }
    if (evt->modifiers & EVT_ALTSTATE) {
        if (evt->modifiers & EVT_LEFTALT)
            printf(", LALT");
        if (evt->modifiers & EVT_RIGHTALT)
            printf(", RALT");
        }
}

/****************************************************************************
PARAMETERS:
msg - Message to display for type of event
evt - Event to display

REMARKS:
Function to display the status of the keyboard event to the screen.
****************************************************************************/
void DisplayKey(
    char *msg,
    event_t *evt)
{
    KeyEntry    *ascii,*scan;
    char        ch = EVT_asciiCode(evt->message);

    ascii = FindKey(ch,ASCIICodes);
    scan = FindKey(EVT_scanCode(evt->message),ScanCodes);
    printf("%s: 0x%04X -> %s, %s, '%c'",
        msg, (int)evt->message & 0xFFFF, scan->name, ascii->name, isprint(ch) ? ch : ' ');
    DisplayModifiers(evt);
    printf("\n");
}

/****************************************************************************
PARAMETERS:
msg - Message to display for type of event
evt - Event to display

REMARKS:
Function to display the status of the mouse event to the screen.
****************************************************************************/
void DisplayMouse(
    char *msg,
    event_t *evt)
{
    printf("%s: ", msg);
    if (evt->message & EVT_LEFTBMASK)
        printf("LEFT ");
    if (evt->message & EVT_RIGHTBMASK)
        printf("RIGHT ");
    if (evt->message & EVT_MIDDLEBMASK)
        printf("MIDDLE ");
    printf("abs(%d,%d), rel(%d,%d)", evt->where_x, evt->where_y, evt->relative_x, evt->relative_y);
    DisplayModifiers(evt);
    if (evt->message & EVT_DBLCLICK)
        printf(", DBLCLICK");
    printf("\n");
}

/****************************************************************************
PARAMETERS:
msg - Message to display for type of event
evt - Event to display

REMARKS:
Function to display the status of the joystick event to the screen.
****************************************************************************/
void DisplayJoy(
    char *msg,
    event_t *evt)
{
    printf("%s: Joy1(%4d,%4d,%c%c), Joy2(%4d,%4d,%c%c)\n", msg,
        evt->where_x,evt->where_y,
        (evt->message & EVT_JOY1_BUTTONA) ? 'A' : 'a',
        (evt->message & EVT_JOY1_BUTTONB) ? 'B' : 'b',
        evt->relative_x,evt->relative_y,
        (evt->message & EVT_JOY2_BUTTONA) ? 'A' : 'a',
        (evt->message & EVT_JOY2_BUTTONB) ? 'B' : 'b');
}

/****************************************************************************
REMARKS:
Joystick calibration routine
****************************************************************************/
void CalibrateJoy(void)
{
  event_t evt;
  if(EVT_joyIsPresent()){
    printf("Joystick Calibration\nMove the joystick to the upper left corner and press any button.\n");
    EVT_halt(&evt, EVT_JOYCLICK);
    EVT_halt(&evt, EVT_JOYCLICK);
    EVT_joySetUpperLeft();
    printf("Move the joystick to the lower right corner and press any button.\n");
    EVT_halt(&evt, EVT_JOYCLICK);
    EVT_halt(&evt, EVT_JOYCLICK);
    EVT_joySetLowerRight();
    printf("Move the joystick to center position and press any button.\n");
    EVT_halt(&evt, EVT_JOYCLICK);
    EVT_halt(&evt, EVT_JOYCLICK);
    EVT_joySetCenter();
    printf("Joystick calibrated\n");
  }
}

/****************************************************************************
REMARKS:
Main program entry point
****************************************************************************/
int main(void)
{
    event_t     evt;
    ibool       done = false;
    PM_HWND     hwndConsole;

    hwndConsole = PM_openConsole(0,0,0,0,0,true);
    EVT_init(&moveMouse);
    EVT_setMouseRange(1024,768);
    CalibrateJoy();
    do {
        EVT_pollJoystick();
        if (EVT_getNext(&evt,EVT_EVERYEVT)) {
            switch (evt.what) {
                case EVT_KEYDOWN:
                    DisplayKey("EVT_KEYDOWN  ", &evt);
                    if (EVT_scanCode(evt.message) == KB_esc)
                        done = true;
                    break;
                case EVT_KEYREPEAT:
                    DisplayKey("EVT_KEYREPEAT", &evt);
                    break;
                case EVT_KEYUP:
                    DisplayKey("EVT_KEYUP    ", &evt);
                    break;
                case EVT_MOUSEDOWN:
                    DisplayMouse("EVT_MOUSEDOWN", &evt);
                    break;
                case EVT_MOUSEAUTO:
                    DisplayMouse("EVT_MOUSEAUTO", &evt);
                    break;
                case EVT_MOUSEUP:
                    DisplayMouse("EVT_MOUSEUP  ", &evt);
                    break;
                case EVT_MOUSEMOVE:
                    DisplayMouse("EVT_MOUSEMOVE", &evt);
                    break;
                case EVT_JOYCLICK:
                    DisplayJoy("EVT_JOYCLICK ", &evt);
                    break;
                case EVT_JOYMOVE:
                    DisplayJoy("EVT_JOYMOVE  ", &evt);
                    break;
                }
            }
        } while (!done);
    EVT_exit();
    PM_closeConsole(hwndConsole);
    return 0;
}