I am working with CAN transmission on MM9Z1_638 with demo board RD9Z1_638_4Li Rev 1.2, We establish CAN communication between MM9Z1_638 and MICROCHIP CAN analyzer with demo code (RD9Z1_638_12VLA_CAN_demo). The data is transmitting from MM9Z1_638 to CAN analyzer is ok and receiving data from CAN analyzer to MM9Z1_638 is also working ok. But what is the below sleep mode(CAN_IBS_Control.u16Var&0x8000), calibration mode(CAN_IBS_Control.u16Var&0x1000) & normal mode(CAN_IBS_Control.u16Var&0x2000) commands and Please help me to understanding these commands.
Here i am attching the code
// read message object .....
(void) Check_CAN_MB_Status(CAN0, CANBUF3, &mbStat);
if((mbStat.Status == NEWDATA) || (mbStat.Status == OVERRUN)) { //Wait for the Receive ISR to finish and change the buffer status, NEWDATA indicates that the buffer has receive a new data
err_status = Read_CAN_MB_Data(CAN0, CANBUF3, CAN_IBS_Control.byte);//Copy the received data in msCAN channel 0 buffer 2 to data_rec;
CAN_IBS_Control.u16Var = u16Swap(CAN_IBS_Control.u16Var);
//Clear buffer_status[0]
//err_status = Read_CAN_MB_Data(CAN0, CANBUF3, rec_data);
err_status = Load_CAN_MB(CAN0, CANBUF1, CAN_IBS_Control.byte);
err_status = Transmit_CAN_MB(CAN0, CANBUF1);
mbStat.Status = NODATA;
if(CAN_IBS_Control.u16Var&0x8000) { // Goto Sleep Request
// goto sleep
err_status = Sleep_CAN(CAN0, CMPTX); // request CAN channel 0 go to sleep with completing transmission scheduled
do {
err_status = Check_CAN_Status(CAN0,CAN_status); // read the channel 0 status
}while (!(CAN_status[1]&SLPAK)); // wait till SLPAK bit set
//B_PCR_WUEH_WUPTB4 = 1; // enable PTB4 wakeup
ADCDisable();
TsenseDisable();
B_GPIO_VSENSE = 0;
CAN_STDBY(STANDBYMODE);
PTA_PTA1 = 0;
PCREnterStopMode();
// .....zzzzzzzzzzz (stop mode)
// after wakeup the code continues to run here....
// but first the D2D Interrupt service routine will be run
B_WD_CTL = WD_OFF;
VsenseInit(&(vList[0]), &vListEntries, &(vValues[0]));
CsenseInit(&(cList[0]), &cListEntries, &(cValues[0]));
TsenseInit(&(tList[0]), &tListEntries, &(tValues[0]));
ADCInit();
CAN_STDBY(NORMALMODE);
}
if(CAN_IBS_Control.u16Var&0x1000) { // Goto Calib mode
Battery.tMode = BM_CALIBRATION;
CAN_IBS_Data.BatMode = Battery.tMode;
err_status = Load_CAN_MB(CAN0, CANBUF1, CAN_IBS_Data.byte);
err_status = Transmit_CAN_MB(CAN0, CANBUF1);
err_status = Config_CAN_MB (CAN0, 8, RXDF, 8);
err_status = Config_CAN_MB (CAN0, 9, TXDF, 9);
}
if(CAN_IBS_Control.u16Var&0x2000) { // Goto normal mode
Battery.tMode = BM_DRIVING;
VsenseInit(&(vList[0]), &vListEntries, &(vValues[0]));
CsenseInit(&(cList[0]), &cListEntries, &(cValues[0]));
TsenseInit(&(tList[0]), &tListEntries, &(tValues[0]));
ADCInit();
}