static BOOL SaveCanSetup(HWND hdlg, struct TMhsCanCfg* cfg)
{
short unBTRVal;
UBTR0 sBtr0Reg;
UBTR1 sBtr1Reg;
UINT unNbt0 = 0;
FLOAT fNbt = 0;
UINT unBrp0 = 0;
UINT unNbt1 = 0;
UINT unBrp1 = 0;
FLOAT fBrp = 0;
WORD unProductNbtNBrp= 0;
DOUBLE dBaudRate = 0;
DOUBLE dblClock = 16;
GetDlgItemTextCpy(cfg->CanSnrStr, hdlg, IDC_SNR_EDIT, MHS_STR_SIZE);
if ( g_bBTRRadioBtnChecked )
{
cfg->CanBtrValue = GetDlgItemHex(hdlg, IDC_BTR_EDIT);
unBTRVal = cfg->CanBtrValue;
sBtr1Reg.ucBTR1 = (0x00FF & unBTRVal);
sBtr0Reg.ucBTR0 = (unBTRVal >> 8);
// Get the baudrate for BTR0 and BTR1 values.
dBaudRate = dCalculateBaudRateFromBTRs(sBtr0Reg.ucBTR0 ,sBtr1Reg.ucBTR1);
// Calculate the NBT and BRP product. and NBT value using BTR0 value
unProductNbtNBrp = (UINT)((dblClock/(dBaudRate/1000))/2.0*
(defFACT_FREQUENCY / defFACT_BAUD_RATE));
unBrp0 = (sBtr0Reg.sBTR0Bit.ucBRPbit+1);
unNbt0 = unProductNbtNBrp/unBrp0;
fNbt = (FLOAT)unProductNbtNBrp/unBrp0;
unNbt1 = (sBtr1Reg.sBTR1Bit.ucTSEG1bit+1)+
(sBtr1Reg.sBTR1Bit.ucTSEG2bit+1)+1;
unBrp1 = unProductNbtNBrp/unNbt1;
fBrp = (FLOAT)unProductNbtNBrp/unNbt1;
//Check if the BTR0 and BTR1 value entered is valid. if Not valid
// Restore the previos value else calculate the new list.
if( unNbt0>defMAX_NBT || unNbt0<defMIN_NBT || fNbt != unNbt0 ||
unBrp1>defMAX_BRP || unBrp1<defMIN_BRP || unBrp1 != fBrp ||
unNbt1>defMAX_NBT || unNbt1<defMIN_NBT )
{
MessageBox(hdlg, "Invalid BTRs Configuration!", "Warning", MB_OK|MB_ICONSTOP);
return FALSE;
}
}
else
{
static void SaveCanSetup(HWND hdlg, struct TMhsCanCfg *cfg)
{
GetDlgItemTextCpy(cfg->CanSnrStr, hdlg, IDC_SNR_EDIT, MHS_STR_SIZE);
cfg->CanBtrValue = GetDlgItemHex(hdlg, IDC_BTR_EDIT);
cfg->CanSpeed = GetComboBox(hdlg, IDC_CAN_SPEED);
}
