/*------------------------------------------------------------------------------
*
* FUNCTION DESCRIPTION:
* Initialization of Application parameters.
*
*------------------------------------------------------------------------------
*/
void vAppInitial(void)
{
// Disable the Matrix and Roff modes on GPIO[3:1]
PORT_CTRL &= ~(M_PORT_MATRIX | M_PORT_ROFF | M_PORT_STROBE);
PORT_CTRL |= M_PORT_STROBE;
PORT_CTRL &= (~M_PORT_STROBE);
// Turn LED control off
GPIO_LED = 0;
// Set LED intensity .. acceptable values are 0 (off) or 1, 2, and 3
vSys_LedIntensity( 0 );
// Initial debouce time.
bIsr_DebounceCount = 0;
// debounce time definition, the unit is defined by the RTC interrupt time
//(5ms in the demo).It means that the interval between calls to the
// vBsr_Service() function is 5*8=40ms.
// BSR parameters initialization
rBsrSetup.bButtonMask = 0x1F; // GPIO0 only
rBsrSetup.pbPtsReserveHead = abBsrPtsPlaceHolder;
rBsrSetup.bPtsSize = 10;
rBsrSetup.bPushQualThresh = 3;
// Setup the PA.
// fAlpha and fBeta has to be set based on antenna configuration.
// Chose a PA level and nominal cap. Both values come from
// the calculation spreadsheet.
rPaSetup.fAlpha = 0.0;
rPaSetup.fBeta = 0.3593;
rPaSetup.bLevel = 0;
rPaSetup.wNominalCap = 10;
rPaSetup.bMaxDrv = 0;
// Setup the ODS
rOdsSetup.bModulationType = bRke_OokMod_c; // Use OOK
// rOdsSetup.bModulationType = bRke_FskMod_c; // Use FSK
rOdsSetup.bClkDiv = 5;
rOdsSetup.bEdgeRate = 0;
// Set group width to 7, which means 8 bits/encoded byte to be transmitted.
// The value must match the output width of the data encoding function
// set by the vStl_EncodeSetup() below!
rOdsSetup.bGroupWidth = 7;
// 24MHz / (bClkDiv+1) / 9.6kbps = 417
rOdsSetup.wBitRate = 1600; // 1,25kbps
// Configure the warm up intervals LC: 8, DIV: 4, PA: 4
rOdsSetup.bLcWarmInt = 8;
rOdsSetup.bDivWarmInt = 5;
rOdsSetup.bPaWarmInt = 4;
// Set external crystal oscillator parameters - 10MHz, 12pF
// currently XO is not used in this example
rFCast_XoSetup.fXoFreq = 10000000;//12729633;
rFCast_XoSetup.bLowCap = 1;
return;
}
void main (void)
{
/*------------------------------------------------------------------------------
* SETUP PHASE
*------------------------------------------------------------------------------
*/
//Set DMD interrupt to high priority,
// any other interrupts have to stay low priority
PDMD=1;
// Disable the Matrix and Roff modes on GPIO[3:1]
PORT_CTRL &= ~(M_PORT_MATRIX | M_PORT_ROFF | M_PORT_STROBE);
PORT_CTRL |= M_PORT_STROBE;
PORT_CTRL &= (~M_PORT_STROBE);
// Turn LED control off
GPIO_LED = 0;
vSys_Setup( 10 );
vSys_SetMasterTime(0);
// Setup the bandgap
vSys_BandGapLdo( 1 );
if ((PROT0_CTRL & M_NVM_BLOWN) > 1) //if part is burned to user or run mode.
{
// Check the first power up bit meaning keyfob is powered on by battery insertion
if ( 0 != (SYSGEN & M_POWER_1ST_TIME) )
{
vSys_FirstPowerUp(); // Function will shutdown.
}
}
// Set LED intensity. Valid values are 0 (off), 1, 2 and 3
vSys_LedIntensity( 3 );
lLEDOnTime=20;
//Get part ID (4byte factory burned unique serial number)
lPartID = lSys_GetProdId();
// Initialize isr call counter
bIsr_DebounceCount = 0;
// BSR parameters initialization
rBsrSetup.bButtonMask = bButtonMask_c;
#ifdef CRYSTAL
rBsrSetup.bButtonMask &= 0xFE;// clear bit0; GPIO0 will be used by crystal
#endif
rBsrSetup.pbPtsReserveHead = abBsrPtsPlaceHolder;
rBsrSetup.bPtsSize = 3;
rBsrSetup.bPushQualThresh = 3;
// Setup the BSR
vBsr_Setup( &rBsrSetup );
// Setup the RTC to tick every 5ms and clear it. Keep it disabled.
RTC_CTRL = (0x07 << B_RTC_DIV) | M_RTC_CLR;
// Enable the RTC
RTC_CTRL |= M_RTC_ENA;
// Enable the RTC interrupt and global interrupt enable
ERTC = 1;
EA = 1;
fDesiredFreqOOK = f_433_RkeFreqOOK_c;
fDesiredFreqFSK = f_433_RkeFreqFSK_c;
bFskDev = b_433_RkeFskDev_c;
// Setup the PA.
rPaSetup.bLevel = b_433_PaLevel_c;
rPaSetup.wNominalCap = b_433_PaNominalCap_c;
rPaSetup.bMaxDrv = b_433_PaMaxDrv_c;
rPaSetup.fAlpha = 0.0;
rPaSetup.fBeta = 0.0;
vPa_Setup( &rPaSetup );
#ifdef OOK
rOdsSetup.bModulationType = bModOOK_c;
// Setup the STL encoding for Manchester. No user encoding function therefore the pointer is NULL.
vStl_EncodeSetup( bEncodeManchester_c, NULL );
fDesiredFreq = fDesiredFreqOOK;
bPreamble = bPreambleManch_c;
#else //FSK
rOdsSetup.bModulationType = bModFSK_c;
// Setup the STL encoding for none. No user encoding function therefore the pointer is NULL.
vStl_EncodeSetup( bEnc_NoneNrz_c, NULL );
fDesiredFreq = fDesiredFreqFSK;
bPreamble = bPreambleNrz_c;
#endif
// Setup the ODS
// Set group width to 7, which means 8 bits/encoded byte to be transmitted.
// The value must match the output width of the data encoding function
// set by vStl_EncodeSetup()!
rOdsSetup.bGroupWidth = 7;
rOdsSetup.bClkDiv = 5;
rOdsSetup.bEdgeRate = 0;
// Configure the warm up intervals
rOdsSetup.bLcWarmInt = 0;
rOdsSetup.bDivWarmInt = 5;
rOdsSetup.bPaWarmInt = 4;
// 24MHz / (bClkDiv+1) / 9.6kbps = 417
rOdsSetup.wBitRate = 417;
vOds_Setup( &rOdsSetup );
// Setup frequency casting .. needed to be called once per boot
vFCast_Setup();
#ifdef CRYSTAL
//XO Setup
rXoSetup.fXoFreq = 10000000.0; // Frequency of the external crystal [Hz]
rXoSetup.bLowCap = 1; // Capacitance setup of crystal 0 = above 14pf, 1 = below 14pf
vFCast_XoSetup( &rXoSetup );
#endif
// Measure the battery voltage in mV, only once per boot to save power
// Make loaded measurement .. bBatteryWait_c * 17ms wait after loading
iBatteryMv = iMVdd_Measure( bBatteryWait_c );
if (iBatteryMv < iLowBatMv_c)
{
bBatStatus = 0;
}
else
{
bBatStatus = 1;
}
// Setup the DMD temperature sensor for temperature mode
vDmdTs_RunForTemp( 3 ); // Skip first 3 samples
// Wait until there is a valid DMD temp sensor sample
while ( 0 == bDmdTs_GetSamplesTaken() )
{
//wait
}
/*------------------------------------------------------------------------------
* TRANSMISSION LOOP PHASE
*------------------------------------------------------------------------------
*/
// Application loop, including push button state analyzation and transmission.
while(1)
{
// Buttons analyzation
vButtonCheck();
if (bButtonState)
{
// Packet transmit repeat counter
bRepeatCount = bRepeatCount_c;
// Transmit.
vRepeatTxLoop();
//Sync counter increment
}
else if( (lSys_GetMasterTime() >> 5) > bMaxWaitForPush_c )
{
if ((PROT0_CTRL & M_NVM_BLOWN) > 1) //if part is burned to user or run mode.
{
//Disable all interrupts
EA = 0;
#ifdef CRYSTAL
// Disable XO
bXO_CTRL = 0 ;
// Wait 20us for XO to stop
vSys_16BitDecLoop( 20 );
#endif
// Shutdown
vSys_Shutdown();
}
}
}
}
