int main (void)
{
// _DOZE = 0;
_RCDIV = 0;
//pin mapping
PinMapping();
//Initialize the outputs
OutputInit();
// Set up the timer
TimerInit();
_system_flags.uart_hi_speed = 1;
if (_system_flags.uart_hi_speed) {
// divisor=8 for 460800bps
initUART(8);
} else {
initUART(34);
}
//Initialize the system
SYSTEMInit();
ADCinit();
//Initialize the button processes
BtnInit();
//Initialize the system flags
FLAGInit();
// variable to hold number of times we've passed the 50 msec counter without completing a UART receive
char receivedCtr=0;
while (1)
{
// check continuity to PIC
if(uartDataAvailable_receive )
{
// set a flag if we're inside a receive packet
// then, in 50msec timer, if we've not received anything after ~150-200msec,
// clear it and tell uart_getPacket to reset state
_system_flags.PacketisBeingReceived=1;
uart_getPacket(0);
uartDataAvailable_receive = 0;
}
if(_system_flags.TwelveBitflag)
{
if(_system_flags.EndofFrameflag)
{
// if stopped, and all data already pushed out, turn off HTPA
if(_system_flags.Stopflag)
{
while (TX_Sent_Counter!=TX_ToSend_Counter);
TurnOffHTPA();
IEC0bits.U1TXIE = 1; // re-enable UART TX ISR
_system_flags.Standbyflag=1;
_system_flags.RefreshStatusflag = 1;
_system_flags.Stopflag = 0;
}
_system_flags.EndofFrameflag = 0;
}
}
if (ms_flag)// 1ms loop
{
BtnProcessEvents(); // Button debounce processing
StateMachine();
if((_button_press.SW1DBB)&&(!_system_flags.SW1released))
{
SleepCounter = SLEEPTIME;
LaserOutlat = ~LaserOutlat;
LaserCounter=10;
ButtonTimer = 3;
_system_flags.SW1released = 1;
}
if( _system_flags.PacketisReadyforParse)
{
_system_flags.PacketisBeingReceived=0;
receivedCtr=0;
_system_flags.PacketisReadyforParse = 0;
ParsingRXMsg();
}
if (TimeBase50ms()) //increment and check for 50ms software timer
{
if (_system_flags.PacketisBeingReceived)
{
// increment counter
receivedCtr++;
if (receivedCtr>2)
{
receivedCtr=0;
// reset uart_getPacket
_system_flags.PacketisBeingReceived=0;
uart_getPacket(1);
}
}
}//end of 50ms interval
if (TimeBase100ms()) //increment and check for 100ms software timer
{
// if we're in standby, and the change UART flag has been set, change it
if (state==STATE_STANDBY)
{
if (_system_flags.ChangeUARTSpeed)
{
if (_system_flags.PacketisBeingReceived)
{
uart_getPacket(1);
}
_system_flags.ChangeUARTSpeed=0;
// simply toggle UART speed if we get this command
if (_system_flags.uart_hi_speed==1) {
_system_flags.uart_hi_speed=0;
initUART(34);
} else {
_system_flags.uart_hi_speed=1;
initUART(8);
}
FLAGInit();
SYSTEMInit();
}
}
}//end of 100ms
if (TimeBase250ms()) //increment and check for 250ms software timer
{
LED1BlinkingCounter++;
if(LED1BlinkingCounter == 1)
{
LED2lat = 1;//green off
LED1lat = 1; // red is off
}
// blink at double speed if in high speed mode
if(LED1BlinkingCounter > (10-(5*_system_flags.uart_hi_speed))) {
if(state ==STATE_STREAM )
{
LED2lat = 0; // green flashing during streaming
LED1lat = 1; // red is off
}
if(state ==STATE_STANDBY )
{
LED1lat = 0; // red flashing during standby
LED2lat = 1; // green is off
}
LED1BlinkingCounter = 0;
}
if((!_button_press.SW1DBB)&&(_system_flags.SW1released))
{
_system_flags.SW1released = 0;
SleepCounter = SLEEPTIME;
}
if((ButtonTimer==0)&&(_system_flags.SW1released)&&(!_system_flags.InSleepWake))
{
if((_button_press.SW1DBB))
{
if(state==STATE_STREAM)
{
TurnOffHTPA();
}
// nuclear option, reset firmware and start over with clean plate.
asm ("reset");
}
}
}
if (TimeBase1s()) //increment and check for 1000ms software timer
{
if (LaserCounter!=0) LaserCounter--;
if (LaserCounter==0)
{
LaserOutlat = 0;
}
if(ButtonTimer>0)
{
ButtonTimer=ButtonTimer-1;
}
_system_flags.InSleepWake=0;
if(state == STATE_STANDBY)
{
if(SleepCounter>0)
{
SleepCounter=SleepCounter-1;
}
if((SleepCounter==0))
{
// sleep flag will call state=SLEEP above
_system_flags.Sleepflag = 1;
_system_flags.RefreshStatusflag=1;
}
}//stand by mode
}//End of TimeBase1s
if (TimeBase1h())
{
}//end of 1 hour base
ms_flag = 0;
}// End of msflag 1 ms
}// End of while (1)
} //End of main()
int main(void)
{
// Start from displaying of PIC24 banners
_display_state = DISP_HELLO;
// Setup PortA IOs as digital
AD1PCFG = 0xffff;
//IO Mapping for PIC24FJ64GA004
#ifdef __PIC24FJ64GA004__ //Defined by MPLAB when using 24FJ64GA004 device
ioMap();
lockIO();
#endif
// Setup SPI to communicate to EEPROM
SPIMPolInit();
// Setup EEPROM IOs
EEPROMInit();
// Setup the UART
UART2Init();
// Setup the timer
TimerInit();
// Setup the LCD
mLCDInit();
// Setup debounce processing
BtnInit();
// Setup the ADC
ADCInit();
// Setup the banner processing
BannerStart();
// Setup the RTCC
RTCCInit();
while (1) {
LCDProcessEvents();
ADCProcessEvents();
if (TimerIsOverflowEvent()){
// Button debounce processing
BtnProcessEvents();
// State dependent processing
switch (_display_state) {
// Show Microchip banners
case DISP_HELLO: BannerProcessEvents(); break;
// Show clock
case DISP_CLOCK: TBannerProcessEvents(); break;
// Show voltage and temperature
case DISP_VOLTAGE: VBannerProcessEvents(); break;
default: _display_state = DISP_HELLO;
}// End of switch (_display_state)...
// If S6 is pressed show the next example
if (BtnIsPressed(4)) {
// Change state and clear display
if(!TBannerIsSetup()){
_display_state++;
if(_display_state > DISP_MAX)
_display_state = 0;
// Initialize state
switch (_display_state) {
// Microchip banners
case DISP_HELLO: BannerInit(); break;
// Clock
case DISP_CLOCK: TBannerInit(); break;
// Voltage and temperature
case DISP_VOLTAGE: VBannerInit(); break;
default:
_display_state = 0;
}// End of switch (_display_state)...
mLCDClear();
}else
TBannerNext();
// wait for button released
while (BtnIsPressed(4)){
BtnProcessEvents();
}
}// End of if (BtnIsPressed(4)){...
if(_display_state == DISP_CLOCK){
if (BtnIsPressed(1)){
TBannerSetup();
// wait for button released
while (BtnIsPressed(1)) BtnProcessEvents();
}// End of if (BtnIsPressed(1 ...
if(TBannerIsSetup()){
if (BtnIsPressed(2)) {
TBannerChangeField(1);
// wait for button released
while (BtnIsPressed(2)) BtnProcessEvents();
}// End of if (BtnIsPressed(2)){...
if (BtnIsPressed(3)) {
// wait for button released
TBannerChangeField(0);
while (BtnIsPressed(3)) BtnProcessEvents();
}// End of if (BtnIsPressed(3)){...
}// End of if(TBannerIsSetup( ...
}// End of if(_display_state == DISP_SET_CLOCK ...
if(_display_state == DISP_VOLTAGE){
if (BtnIsPressed(2)){
ADCSetFromMemory();
// wait for button released
while (BtnIsPressed(2)){
BtnProcessEvents();
}
}// End of if (BtnIsPressed(2 ...
if (BtnIsPressed(3)){
ADCStoreTemperature();
// wait for button released
while (BtnIsPressed(3)){
BtnProcessEvents();
}
}// End of if (BtnIsPressed(3)){...
}// End of if(_display_state ...
}// End of if (TimerIsOverflowEvent()...
}// End of while(1)...
}// End of main()...
