📄 function.c
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Function : InitTimer(void)
Description : initial timers
Parameter : None
Return : None
***************************************************************************/
void InitTimer(void)
{
TMOD &= 0x0F; /* Timer 1 mode 1 with software gate */
TMOD |= 0x10; /* GATE0=0; C/T0#=0; M10=0; M00=1; */
TL1 = T500USL; /* init values as 500us */
TH1 = T500USH;
ET1=1; /* enable timer1 interrupt */
TR1=1; /* timer1 run */
}
///***************************************************************************
// Function : InitTimer(void)
// Description : initial Keyboard interrupt
// Parameter : None
// Return : None
//***************************************************************************/
//void EnableKeyboardInt(void)
//{
// /* init keyboard */
// KBE = 0x10; // Enable P1.4 I/O as keyboard IO
// KBF = 0x00; // Clear all keyboard flags
// IEN1 |= 0x01; // Enable keyboard interupt
//}
//
///***************************************************************************
// Function : InitTimer(void)
// Description : initial Keyboard interrupt
// Parameter : None
// Return : None
//***************************************************************************/
//void DisableKeyboardInt(void)
//{
// /* init keyboard */
// KBE = 0x00; // Disable P1 I/O as keyboard IO
// KBF = 0x00; // Clear all keyboard flags
// IEN1 &= 0xFE; // Disable keyboard interupt
//}
/***************************************************************************
Function : void ProcLEDBlink1(void)
Description : Process All LED Blinking function 1
Parameter : None
Return : None
***************************************************************************/
void ProcLEDBlink1(void)
{
if ((_bPWRKeyStatus == SW_NORMAL) && (!_fgPWRLEDFlash)) // Power Key released and no flash LED
{
if (!_bPWRLEDBlinkRate) // Power LED Blink Rate time up reset value and flip LED On/Off
{
if (!_fgPWRLEDOn) // Power LED previous off
{
_bPWRLEDBlinkRate = LEDBLINKONRATE; // Reset LED Blink ON rate value
PWRLEDOn(); // Power LED ON
_fgPWRLEDOn = 1; // Set Power LED on flag
}
else // Power LED previous on
{
_bPWRLEDBlinkRate = LEDBLINKOFFRATE; // Reset LED Blink Off rate value
PWRLEDOff(); // Power LED OFF
_fgPWRLEDOn = 0; // Clear Power LED on flag
}
}
else // Blink rate not time up
{
_bPWRLEDBlinkRate--; // Blink rate time count decrement.
}
}
if (_fgExpCardLEDFlash)
{
if (!_bExpCardLEDBlinkRate) // Power LED Blink Rate time up reset value and flip LED On/Off
{
if (!_fgExpCardLEDOn) // Power LED previous off
{
_bExpCardLEDBlinkRate = LEDBLINKONRATE; // Reset LED Blink ON rate value
ExpCardLEDOn(); // Power LED ON
_fgExpCardLEDOn = 1; // Set Power LED on flag
}
else // Power LED previous on
{
_bExpCardLEDBlinkRate = LEDBLINKOFFRATE; // Reset LED Blink Off rate value
ExpCardLEDOff(); // Power LED OFF
_fgExpCardLEDOn = 0; // Clear Power LED on flag
}
}
else // Blink rate not time up
{
_bExpCardLEDBlinkRate--; // Blink rate time count decrement.
}
}
}
/***************************************************************************
Function : void ProcLEDBlink2(void)
Description : Process All LED Blinking function 2
Parameter : None
Return : None
***************************************************************************/
void ProcLEDBlink2(void)
{
if ((_fgMuteLEDFlash) && (_bSystemMode != MUTE_ON)) // Mute off
{
if (!_bMuteLEDBlinkRate) // Mute LED Blink Rate time up reset value and flip LED On/Off
{
if (!_fgMuteLEDOn) // Mute LED previous off
{
_bMuteLEDBlinkRate = LEDBLINKONRATE; // Reset LED Blink ON rate value
MuteLEDOn(); // Mute LED ON
_fgMuteLEDOn = 1; // Set Mute LED on flag
}
else // Mute LED previous on
{
_bMuteLEDBlinkRate = LEDBLINKOFFRATE; // Reset LED Blink Off rate value
MuteLEDOff(); // Mute LED OFF
_fgMuteLEDOn = 0; // Clear Mute LED on flag
}
}
else // Blink rate not time up
{
_bMuteLEDBlinkRate--; // Blink rate time count decrement.
}
}
if ((_fgVolUpLEDFlash) && (_bSystemMode != VOLUME_UP)) // Volume Up Key released
{
if (!_bVolUpLEDBlinkRate) // Volume Up LED Blink Rate time up reset value and flip LED On/Off
{
if (!_fgVolUpLEDOn) // Volume Up LED previous off
{
_bVolUpLEDBlinkRate = LEDBLINKONRATE; // Reset LED Blink ON rate value
VolUpLEDOn(); // Volume Up LED ON
_fgVolUpLEDOn = 1; // Set Volume Up LED on flag
}
else // Volume Up LED previous on
{
_bVolUpLEDBlinkRate = LEDBLINKOFFRATE; // Reset LED Blink Off rate value
VolUpLEDOff(); // Volume Up LED OFF
_fgVolUpLEDOn = 0; // Clear Volume Up LED on flag
}
}
else // Blink rate not time up
{
_bVolUpLEDBlinkRate--; // Blink rate time count decrement.
}
}
if ((_fgVolDnLEDFlash) && (_bSystemMode != VOLUME_DOWN)) // Volume Down Key released
{
if (!_bVolDnLEDBlinkRate) // Volume Down LED Blink Rate time up reset value and flip LED On/Off
{
if (!_fgVolDnLEDOn) // Volume Down LED previous off
{
_bVolDnLEDBlinkRate = LEDBLINKONRATE; // Reset LED Blink ON rate value
VolDnLEDOn(); // Volume Down LED ON
_fgVolDnLEDOn = 1; // Set Volume Down LED on flag
}
else // Volume Down LED previous on
{
_bVolDnLEDBlinkRate = LEDBLINKOFFRATE; // Reset LED Blink Off rate value
VolDnLEDOff(); // Volume Down LED OFF
_fgVolDnLEDOn = 0; // Clear Volume Down LED on flag
}
}
else // Blink rate not time up
{
_bVolDnLEDBlinkRate--; // Blink rate time count decrement.
}
}
}
/************************************************************************
Function : void CheckExpressCard(void)
Description : Check ExpressCard Connector status
Parameter : None
Return : None
************************************************************************/
void CheckExpressCard(void)
{
switch (_bExpCardStatus)
{
case SW_NORMAL:
// Mute SW from H->L
if (_fgOldConnect && (!_fgConnect)) // Mute key just press
{
_bExpCardStatus = SW_PRESS;
}
break;
case SW_PRESS:
// Mute SW from L->L
if (!_fgOldConnect && (!_fgConnect)) // Mute key Hold
{
_bExpCardStatus = SW_HOLD;
}
// Mute SW from L->H
if (!_fgOldConnect && _fgConnect) // Mute key Hold
{
_bExpCardStatus = SW_NORMAL; // for De-bounds
}
if (_fgOldConnect && _fgConnect)
{
_bExpCardStatus = SW_NORMAL;
}
break;
case SW_HOLD:
// Mute SW from L->H
if (!_fgOldConnect && _fgConnect) // Mute key just release
{
_bExpCardStatus = SW_RELEASE;
}
if (_fgOldConnect && _fgConnect)
{
_bExpCardStatus = SW_RELEASE;
}
if (_fgOldConnect && !_fgConnect)
{
_bExpCardStatus = SW_PRESS;
}
break;
case SW_RELEASE:
// Mute SW from H->H
if (_fgOldConnect && _fgConnect) // Mute key Hold
{
_bExpCardStatus = SW_NORMAL;
}
// Mute SW from H->L
if (_fgOldConnect && (!_fgConnect)) // Mute key Hold
{
_bExpCardStatus = SW_HOLD; // for De-bounds
}
break;
}
}
///************************************************************************
// Function : void CheckPEXReset(void)
// Description : Check PEX_RST pin status
// Parameter : None
// Return : None
//************************************************************************/
//void CheckPEXReset(void)
//{
// switch (_bPEXResetStatus)
// {
// case SW_NORMAL:
// // Mute SW from H->L
// if (_fgOldPEXReset && (!_fgPEXReset)) // Mute key just press
// {
// _bPEXResetStatus = SW_PRESS;
// }
// break;
//
// case SW_PRESS:
// // Mute SW from L->L
// if (!_fgOldPEXReset && (!_fgPEXReset)) // Mute key Hold
// {
// _bPEXResetStatus = SW_HOLD;
// }
// // Mute SW from L->H
// if (!_fgOldPEXReset && _fgPEXReset) // Mute key Hold
// {
// _bPEXResetStatus = SW_NORMAL; // for De-bounds
// }
// break;
//
// case SW_HOLD:
// // Mute SW from L->H
// if (!_fgOldPEXReset && _fgPEXReset) // Mute key just release
// {
// _bPEXResetStatus = SW_RELEASE;
// }
// break;
//
// case SW_RELEASE:
// // Mute SW from H->H
// if (_fgOldPEXReset && _fgPEXReset) // Mute key Hold
// {
// _bPEXResetStatus = SW_NORMAL;
// }
// // Mute SW from H->L
// if (_fgOldPEXReset && (!_fgPEXReset)) // Mute key Hold
// {
// _bPEXResetStatus = SW_HOLD; // for De-bounds
// }
// break;
// }
//}
/***************************************************************************
Function : void EnableEX0Int(void)
Description : initial EX0(external interrupt 0) interrupt
Parameter : None
Return : None
***************************************************************************/
void EnableEX0Int(void)
{
IT0 = 1; // Configure interrupt 0 for falling edge on /INT0 (P3.2)
EX0 = 1; // Enable EX0 Interrupt
}
///***************************************************************************
// Function : void DisableEX0Int(void)
// Description : Disable EX0(external interrupt 0) interrupt
// Parameter : None
// Return : None
//***************************************************************************/
//void DisableEX0Int(void)
//{
// IT0 = 0;
// EX0 = 0; // Disable EX0 Interrupt
//}
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