time_handler.c

reference about wireless design which is helpful to everyone

#include "winamp_remote_control.h"


TIME_DATA __xdata timeData;

//extern WINAMP_DISPLAY_DATA __xdata waDispData;
void timeInit() {
    t4mgrInit(T4MGR_TICK_INTERVAL);
    timeData.t4mgrIndex = t4mgrSetupCallback(TIME_T4MGR_PERIOD, timeTickCallback);
} // timeInit




void timeSyncToWinamp(void) {
    BYTE critSect = utilEnterCriticalSection();
    // Minutes
    timeData.minutes = waDispData.minutes;

    // Seconds
    timeData.seconds = waDispData.seconds;

    // Milliseconds
    timeData.milliseconds = waDispData.milliseconds;
    t4mgrModifyCallback(timeData.t4mgrIndex, T4MGR_KEEP_PERIOD, 0);
    utilLeaveCriticalSection(critSect);
} // timeSyncToWinamp




void timeTickCallback(void) {
   BYTE critSect = utilEnterCriticalSection();
   P0_1 = ~P0_1;
    if (waDispData.state & WDD_STATE_PLAYING_BM) {
        timeData.milliseconds += TIME_MSECS_PER_T4MGR_TICK;
        if (timeData.milliseconds >= 1000) {
            timeData.milliseconds -= 1000;
            P0_0 = ~P0_0;
            if (++timeData.seconds == 60) {
                timeData.seconds = 0;
                timeData.minutes++;
            }
            rcData.refreshTime = TRUE;
        }
    }
    utilLeaveCriticalSection(critSect);
} // timeTickCallback