//-----------------------------------------------------------------------------
static void
vectornav_spi_end_cb(SPIDriver * spip)
{
(void)spip;
switch( async_vn_msg.state )
{
case VN_ASYNC_1ST_SPI_CB:
chSysLockFromISR();
spiUnselectI(VND1.spip);
async_vn_msg.state = VN_ASYNC_1ST_SLEEP;
gptStartOneShotI(VND1.gpdp, VN_SLEEPTIME);
chSysUnlockFromISR();
break;
case VN_ASYNC_2ND_SPI_CB:
chSysLockFromISR();
spiUnselectI(VND1.spip);
// here we have the register
vectornav_dispatch_register(async_vn_msg.reg, async_vn_msg.buf_size, async_vn_msg.buf);
async_vn_msg.state = VN_ASYNC_2ND_SLEEP;
gptStartOneShotI(VND1.gpdp, VN_SLEEPTIME);
chSysUnlockFromISR();
break;
case VN_ASYNC_INACTIVE:
case VN_ASYNC_1ST_SLEEP:
case VN_ASYNC_2ND_SLEEP:
default:
// @TODO: assert?
break;
}
}
/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
/**
* #259 BUG error: not positive timeUs
* Once in a while we night get an interrupt where we do not expect it
*/
if (timeUs <= 0) {
timerFreezeCounter++;
warning(CUSTOM_OBD_42, "local freeze cnt=%d", timerFreezeCounter);
}
if (timeUs < 2)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(timeUs > 0, "not positive timeUs");
efiAssertVoid(timeUs < 10 * US_PER_SECOND, "setHardwareUsTimer() too large");
if (GPTDEVICE.state == GPT_ONESHOT)
gptStopTimerI(&GPTDEVICE);
efiAssertVoid(GPTDEVICE.state == GPT_READY, "hw timer");
if (hasFirmwareError())
return;
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTimeNt = getTimeNowNt();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
setHwTimerCounter++;
/**
* #259 BUG error: not positive timeUs
* Once in a while we night get an interrupt where we do not expect it
*/
if (timeUs <= 0) {
timerFreezeCounter++;
warning(CUSTOM_OBD_LOCAL_FREEZE, "local freeze cnt=%d", timerFreezeCounter);
}
if (timeUs < 2)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(CUSTOM_ERR_6681, timeUs > 0, "not positive timeUs");
if (timeUs >= 10 * US_PER_SECOND) {
firmwareError(CUSTOM_ERR_TIMER_OVERFLOW, "setHardwareUsTimer() too long: %d", timeUs);
return;
}
if (GPTDEVICE.state == GPT_ONESHOT) {
gptStopTimerI(&GPTDEVICE);
}
if (GPTDEVICE.state != GPT_READY) {
firmwareError(CUSTOM_HW_TIMER, "HW timer state %d/%d", GPTDEVICE.state, setHwTimerCounter);
return;
}
if (hasFirmwareError())
return;
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTimeNt = getTimeNowNt();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
/*
* GPT2 callback.
*/
static void gpt2cb(GPTDriver *gptp) {
(void)gptp;
palSetPad(GPIOD, GPIOD_LED5);
chSysLockFromIsr();
gptStartOneShotI(&GPTD3, 1000); /* 0.1 second pulse.*/
chSysUnlockFromIsr();
}
/*
* GPT1 callback.
*/
static void gpt1cb(GPTDriver *gptp) {
(void)gptp;
palClearPad(IOPORT3, GPIOC_LED);
chSysLockFromIsr();
gptStartOneShotI(&GPTD2, 200); /* 0.02 second pulse.*/
chSysUnlockFromIsr();
}
/*
* GPIO_TRIGGER interrupt callback. Start transmit burst, disable additional
* transmit interrupts for TRANSMIT_LOCKOUT.
*/
static void extTransmit(EXTDriver *extp, expchannel_t channel) {
(void)extp;
(void)channel;
//Start transmitting
pwmEnableChannel(&PWMD2, 3, PWM_PERCENTAGE_TO_WIDTH(&PWMD2, 5000));
palClearPad(GPIOA, GPIO_RX);
//Disable Transmit interrupt and start timer to reenable
extChannelDisableI(&EXTD1, 0); //Disable transmit interrupt
gptStartOneShotI(&GPTD1, TRANSMIT_TIME); //Start timer for transmit
gptStartOneShotI(&GPTD3, TRANSMIT_LOCKOUT); //Start timer for transmit unlock
chSysUnlockFromIsr();
}
/*
* GPT7 callback
*/
static void gpt7cb(GPTDriver *gptp)
{
(void)gptp;
palSetPad(GPIOF, GPIOF_LED_RED);
chSysLockFromISR();
gptStartOneShotI(&GPTD1, 31250); /* 0.1 second pulse.*/
chSysUnlockFromISR();
}
void
vexSpiTickDelay(int16_t tick)
{
//gptStart(spiGpt, &gpt2cfg);
//gptPolledDelay(spiGpt, tick);
chSysLock();
spiThread = chThdSelf();
gptStartOneShotI( spiGpt, tick );
chSchGoSleepS(THD_STATE_SUSPENDED);
chSysUnlock();
}
/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
if (timeUs == 1)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(timeUs > 0, "neg timeUs");
efiAssertVoid(timeUs < 10 * US_PER_SECOND, "setHardwareUsTimer() too large");
if (GPTDEVICE.state == GPT_ONESHOT)
gptStopTimerI(&GPTDEVICE);
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTime = getTimeNowUs();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
void
vMBPortTimersEnable( )
{
#ifdef DEBUG_MB
palClearPad (BOARD_LED2_P, BOARD_LED2);
tmStartMeasurement (&tm);
#endif
if (bMBPortIsWithinException() == TRUE) {
gptStopTimerI (&GPTDRIVER);
gptStartOneShotI(&GPTDRIVER, timerout);
} else {
gptStopTimer (&GPTDRIVER);
gptStartOneShot(&GPTDRIVER, timerout);
}
}
void setTimer(uint32_t delay)
{
timer1_interval = delay / DIV;
if (dbg_is_isr())
{
chSysLockFromIsr();
gptStartOneShotI(&GPTD1, timer1_interval);
chSysUnlockFromIsr();
}
else
{
gptStopTimer (&GPTD1);
gptStartOneShot (&GPTD1, timer1_interval);
}
}
static void
_vs_gpt_cb(GPTDriver *gptp)
{
(void)gptp;
chSysLockFromIsr();
if( nextState == kSonarStatePing )
{
nextState = kSonarStateWait;
vexDigitalPinSet( vexSonars[nextSonar].pa, 0 );
gptStartOneShotI( sonarGpt, SONAR_TIMEOUT );
}
else
if( nextState == kSonarStateWait )
{
vexSonars[nextSonar].time_r = 0;
vexSonars[nextSonar].time_f = SONAR_TIMEOUT;
nextState = kSonarStateError;
}
chSysUnlockFromIsr();
}
/**
* @brief Starts the timer in one shot mode.
*
* @param[in] gptp pointer to the @p GPTDriver object
* @param[in] interval time interval in ticks
*
* @api
*/
void gptStartOneShot(GPTDriver *gptp, gptcnt_t interval) {
osalSysLock();
gptStartOneShotI(gptp, interval);
osalSysUnlock();
}