errlHndl_t Service::enableAttns()
{
ATTN_SLOW("Service::enableAttns() enter");
errlHndl_t err = configureInterrupts(UP);
ATTN_SLOW("Service::enableAttns() exit");
return err;
}
void initializeSerial(SerialDevice* device) {
if(device != NULL) {
initializeSerialCommon(device);
configurePins();
configureUart();
configureFifo();
configureFlowControl();
configureInterrupts();
CTS_STATE = ACTIVE;
}
}
errlHndl_t Service::stop()
{
ATTN_SLOW("shutting down...");
mutex_lock(&iv_mutex);
tid_t intrTask = iv_intrTask;
tid_t prdTask = iv_prdTask;
msg_q_t q = iv_intrTaskQ;
iv_intrTask = 0;
iv_prdTask = 0;
mutex_unlock(&iv_mutex);
if(intrTask)
{
errlHndl_t err = configureInterrupts(q, DOWN);
if(err)
{
errlCommit(err, ATTN_COMP_ID);
}
msg_t * shutdownMsg = msg_allocate();
shutdownMsg->type = SHUTDOWN;
msg_sendrecv(q, shutdownMsg);
msg_free(shutdownMsg);
task_wait_tid(intrTask, 0, 0);
msg_q_destroy(q);
}
if(prdTask)
{
sync_cond_signal(&iv_cond);
task_wait_tid(prdTask, 0, 0);
}
ATTN_SLOW("..shutdown complete");
return 0;
}
main()
{
// Disable JTAG (on RA0 and RA1 )
mJTAGPortEnable( DEBUG_JTAGPORT_OFF );
// Configure the device for maximum performance but do not change the PBDIV
// Given the options, this function will change the flash wait states, RAM
// wait state and enable prefetch cache but will not change the PBDIV.
// The PBDIV value is already set via the pragma FPBDIV option above..
SYSTEMConfig(GetSystemClock(), SYS_CFG_WAIT_STATES | SYS_CFG_PCACHE);
initializeUART();
initializeADC();
initializeLCD();
initializeRPG();
/* Initialize SD card */
setup_SDSPI();
SD_setStart();
/* Fill tempBuffer[] with int 0 to 63
* Write it to the current block.
* Empty tempBuffer[] to all 0.
* Read from the current block to make sure that it returns the right value.
*/
fillTempBuffer();
testSDReadWrite(tempBuffer);
curr_read_block = curr_block;
ConfigTimer1(); // Enable Timer1 for second counts
configureInterrupts();
// T2CON = 0x8030; // TMR1 on, prescale 1:256 PB
mPORTASetPinsDigitalOut( LED_MASK ); // LEDs = output
mPORTDSetPinsDigitalIn( PB_MASK_D ); // PBs on D = input
curr_state = READY;
// enable interrupts
INTEnableInterrupts();
int i = 0;
while( 1 )
{
if (getPrintToUARTFlag() == 1){
LCDMenuControl();
//mPORTAToggleBits( LED_MASK );
convertAndPrintIntegerToString("i => ", i++);
convertAndPrintIntegerToString("timeElapse => ", timeElapsed);
convertAndPrintIntegerToString("timeElapsedLEDSample => ", timeElapsedLEDSample);
convertAndPrintIntegerToString("timeElapsedLEDTurnedOff => ", timeElapsedLEDTurnedOff);
convertAndPrintIntegerToString("sampleLEDNow => ", sampleLEDNow);
convertAndPrintIntegerToString(" ADC Value => ", getChannel5Value());
printShadowDetect();
printLightLevel();
drawLightDetectedBar();
controlPowerRelay();
switch(curr_state) {
case READY : WriteString("State => READY ");
break;
case SLEEP : WriteString("State => SLEEP ");
break;
case HIBERNATE : WriteString("State => HIBERNATE");
break;
case BUSY : WriteString("State => BUSY ");
break;
}
WriteString("\r");
setPrintToUARTFlag(0);
}
if (NEW_BYTE_RECEIVED == 1){
curr_state = READY;
NEW_BYTE_RECEIVED = 0;
//mPORTAToggleBits( LED_MASK );
char tempArray[] = "g";
tempArray[0] = characterByteReceived;
WriteString(tempArray);
if(curr_state = HIBERNATE) {
addByteToBuffer(characterByteReceived);
}
else {
PutCharacter(characterByteReceived);
}
}
if(bufferIndex == 512) {
SDWriteBlock(currBlock);
currBlock++;
bufferIndex = 0;
}
if((curr_state == READY) && (timeElapsed >= SLEEP_TIMEOUT) && (timeElapsed < HIBERNATE_TIMEOUT)) {
curr_state = SLEEP;
}
else if((curr_state == SLEEP) && (timeElapsed >= HIBERNATE_TIMEOUT)) {
curr_state = HIBERNATE;
timeElapsed = 0;
}
if (transmitDataFromSDCard == 1) {
transmitDataFromSDCard = 0;
forwardDataToPrinter();
}
} // main (while) loop
return 0;
} // main
errlHndl_t Service::start()
{
errlHndl_t err = NULL;
bool cleanStartup = false;
ATTN_SLOW("starting...");
mutex_lock(&iv_mutex);
do {
if(!iv_intrTaskQ) {
// register msg q with interrupt
// service for attention type interrupts
msg_q_t q = msg_q_create();
err = configureInterrupts(q, UP);
if(err)
{
msg_q_destroy(q);
break;
}
iv_intrTaskQ = q;
}
if(!startIntrTask())
{
break;
}
if(!startPrdTask())
{
break;
}
cleanStartup = true;
} while(0);
tid_t prd = iv_prdTask, intr = iv_intrTask;
mutex_unlock(&iv_mutex);
if(!cleanStartup)
{
errlHndl_t err2 = stop();
if(err2)
{
errlCommit(err2, ATTN_COMP_ID);
}
}
else
{
ATTN_SLOW("..startup complete, intr: %d, prd: %d", intr, prd);
}
return err;
}
