void cams_init_state(void)
{
_BEGIN_ATOMIC_BLOCK();
cams_init_state_variables();
camstate.cam_error = 0; //no errors
//set flag indicating that cam sensor input is available
WRITEBIT(flags, F_CAMSIA, IOCFG_CHECK(IOP_PS));
#ifdef SECU3T /*SECU-3T*/
//interrupt by rising edge
MCUCR|= _BV(ISC11) | _BV(ISC10);
MCUCR|= _BV(ISC01) | _BV(ISC00);
#ifdef PHASE_SENSOR
if (CHECKBIT(flags, F_CAMSIA))
GICR|= _BV(INT0) | _BV(INT1); //INT1 enabled only when cam sensor is utilized in the firmware or input is available
else
GICR|= _BV(INT0);
#else
GICR|= _BV(INT0); //это нам нужно для ДНО
#endif
#endif
_END_ATOMIC_BLOCK();
}
void ckps_set_advance_angle(int16_t angle)
{
int16_t aad = (HALL_ADVANCE - angle);
_BEGIN_ATOMIC_BLOCK();
hall.advance_angle = aad;
_END_ATOMIC_BLOCK();
}
void ckps_init_state(void)
{
_BEGIN_ATOMIC_BLOCK();
ckps_init_state_variables();
CLEARBIT(flags, F_ERROR);
MCUCR|=_BV(ISC11); //falling edge for INT1
MCUCR|=_BV(ISC10);
//set flag indicating that Hall sensor input is available
WRITEBIT(flags, F_HALLSIA, IOCFG_CHECK(IOP_PS));
GICR|= CHECKBIT(flags, F_HALLSIA) ? _BV(INT1) : 0; //INT1 enabled only when Hall sensor input is available
//Compare channels do not connected to lines of ports (normal port mode)
//(Каналы Compare не подключены к линиям портов (нормальный режим портов))
TCCR1A = 0;
//Tune timer 1 (clock = 250kHz)
TCCR1B = _BV(CS11)|_BV(CS10);
//enable overflow interrupt of timer 0
//(разрешаем прерывание по переполнению таймера 0)
TIMSK|= _BV(TOIE0);
_END_ATOMIC_BLOCK();
}
void ckps_init_state_variables(void)
{
_BEGIN_ATOMIC_BLOCK();
hall.stroke_period = 0xFFFF;
hall.advance_angle = hall.shutter_wnd_width; //=0
CLEARBIT(flags, F_STROKE);
CLEARBIT(flags, F_VHTPER);
CLEARBIT(flags, F_HALLEV);
CLEARBIT(flags, F_SPSIGN);
SETBIT(flags, F_IGNIEN);
SETBIT(flags2, F_SHUTTER);
SETBIT(flags2, F_SHUTTER_S);
TIMSK1|=_BV(TOIE1); //enable Timer 1 overflow interrupt. Used for correct calculation of very low RPM
hall.t1oc = 0; //reset overflow counter
hall.t1oc_s = 255; //RPM is very low
#ifdef STROBOSCOPE
hall.strobe = 0;
#endif
hall.knkwnd_mode = 0;
#ifdef DWELL_CONTROL
hall.cr_acc_time = 0;
#endif
#ifdef FUEL_INJECT
hall.cur_chan = 0;
#endif
_END_ATOMIC_BLOCK();
}
void ckps_init_state(void)
{
_BEGIN_ATOMIC_BLOCK();
if ((IOCFG_CB(IOP_CKPS) == (fnptr_t)iocfg_g_ckps) || (IOCFG_CB(IOP_CKPS) == (fnptr_t)iocfg_g_ckpsi))
{
CLEARBIT(flags2, F_SELEDGE); //falling edge
hall.ckps_inpalt = 1; //not remapped
}
else
hall.ckps_inpalt = 0; //CKPS mapped on other input
ckps_init_state_variables();
CLEARBIT(flags, F_ERROR);
//Compare channels do not connected to lines of ports (normal port mode)
//(Каналы Compare не подключены к линиям портов (нормальный режим портов))
TCCR1A = 0;
TCCR1B = _BV(CS11)|_BV(CS10); //Tune timer 1 (clock = 312.5 kHz)
TCCR0B = _BV(CS01)|_BV(CS00); //Tune timer 0 (clock = 312.5 kHz)
if (hall.ckps_inpalt)
TIMSK1|=_BV(ICIE1); //enable input capture interrupt only if CKPS is not remapped
_END_ATOMIC_BLOCK();
}
void ckps_set_advance_angle(int16_t angle)
{
int16_t aad = (hall.shutter_wnd_width - angle);
_BEGIN_ATOMIC_BLOCK();
hall.advance_angle = aad;
_END_ATOMIC_BLOCK();
}
void ckps_init_state_variables(void)
{
_BEGIN_ATOMIC_BLOCK();
hall.stroke_period = 0xFFFF;
hall.advance_angle = HALL_ADVANCE; //=0
CLEARBIT(flags, F_STROKE);
CLEARBIT(flags, F_VHTPER);
CLEARBIT(flags, F_HALLEV);
CLEARBIT(flags, F_SPSIGN);
SETBIT(flags2, F_SHUTTER);
SETBIT(flags2, F_SHUTTER_S);
SETBIT(flags, F_IGNIEN);
TCCR0 = 0; //timer is stopped (останавливаем таймер0)
MCUCR|=_BV(ISC11); //falling edge for INT1
MCUCR|=_BV(ISC10);
TIMSK|=_BV(TOIE1); //enable Timer 1 overflow interrupt. Used for correct calculation of very low RPM
hall.t1oc = 0; //reset overflow counter
hall.t1oc_s = 255; //RPM is very low
#ifdef STROBOSCOPE
hall.strobe = 0;
#endif
hall.knkwnd_mode = 0;
_END_ATOMIC_BLOCK();
}
//Initializes SPI in master mode
static void spi_master_init(void)
{
_BEGIN_ATOMIC_BLOCK();
// enable SPI, master, clock = fck/16, data on falling edge of SCK
SPCR = _BV(SPE)|_BV(MSTR)|_BV(SPR0)|_BV(CPHA);
_END_ATOMIC_BLOCK();
}
void ckps_set_shutter_wnd_width(int16_t width)
{
int16_t begin_d = (width + hall.knock_wnd_begin_v); //start of window
hall.shutter_wnd_width = width; //save it to use in other setters
_BEGIN_ATOMIC_BLOCK();
hall.knock_wnd_begin = begin_d;
_END_ATOMIC_BLOCK();
}
uint8_t ckps_is_cog_changed(void)
{
uint8_t result;
_BEGIN_ATOMIC_BLOCK();
result = CHECKBIT(flags, F_HALLEV) > 0;
CLEARBIT(flags, F_HALLEV);
_END_ATOMIC_BLOCK();
return result;
}
void ckps_set_knock_window(int16_t begin, int16_t end)
{
int16_t begin_d = (HALL_ADVANCE + begin); //start of window
int16_t end_d = (end - begin); //width of window
_BEGIN_ATOMIC_BLOCK();
hall.knock_wnd_begin = begin_d;
hall.knock_wnd_end = end_d;
_END_ATOMIC_BLOCK();
}
void cams_vr_set_edge_type(uint8_t edge_type)
{
_BEGIN_ATOMIC_BLOCK();
if (edge_type)
MCUCR|= _BV(ISC00); //rising
else
MCUCR&= ~_BV(ISC00);//falling
_END_ATOMIC_BLOCK();
}
uint8_t ckps_is_stroke_event_r()
{
uint8_t result;
_BEGIN_ATOMIC_BLOCK();
result = CHECKBIT(flags, F_STROKE) > 0;
CLEARBIT(flags, F_STROKE);
_END_ATOMIC_BLOCK();
return result;
}
uint8_t cams_is_event_r(void)
{
uint8_t result;
_BEGIN_ATOMIC_BLOCK();
result = camstate.event;
camstate.event = 0; //reset event flag
_END_ATOMIC_BLOCK();
return result;
}
void ckps_set_knock_window(int16_t begin, int16_t end)
{
int16_t begin_d = (hall.shutter_wnd_width + begin); //start of window
int16_t end_d = (end - begin); //width of window
hall.knock_wnd_begin_v = begin; //save begin value to use in other setters
_BEGIN_ATOMIC_BLOCK();
hall.knock_wnd_begin = begin_d;
hall.knock_wnd_end = end_d;
_END_ATOMIC_BLOCK();
}
void ckps_set_edge_type(uint8_t edge_type)
{
//Set CKPS input edge only if it is not remapped
if (hall.ckps_inpalt)
{
WRITEBIT(flags2, F_SELEDGE, edge_type); //save selected edge type
_BEGIN_ATOMIC_BLOCK();
if (edge_type)
TCCR1B|= _BV(ICES1); //rising
else
TCCR1B&=~_BV(ICES1); //falling
_END_ATOMIC_BLOCK();
}
}
void ckps_set_shutter_spark(uint8_t i_shutter)
{
_BEGIN_ATOMIC_BLOCK(); //we need this because in ATmega644 this flag is not in I/O register
WRITEBIT(flags2, F_SHUTTER, i_shutter);
_END_ATOMIC_BLOCK();
}
void ckps_set_acc_time(uint16_t i_acc_time)
{
_BEGIN_ATOMIC_BLOCK();
hall.cr_acc_time = i_acc_time;
_END_ATOMIC_BLOCK();
}
void knock_set_gain(uint8_t gain)
{
_BEGIN_ATOMIC_BLOCK();
ksp.ksp_gain = KSP_SET_GAIN | (gain & 0x3F);
_END_ATOMIC_BLOCK();
}
void knock_set_int_time_constant(uint8_t inttime)
{
_BEGIN_ATOMIC_BLOCK();
ksp.ksp_inttime = KSP_SET_INTEGRATOR | (inttime & 0x1F);
_END_ATOMIC_BLOCK();
}
void knock_set_channel(uint8_t channel)
{
_BEGIN_ATOMIC_BLOCK();
ksp.ksp_channel = KSP_SET_CHANNEL | (channel & 0x01);
_END_ATOMIC_BLOCK();
}
void knock_set_band_pass(uint8_t freq)
{
_BEGIN_ATOMIC_BLOCK();
ksp.ksp_bpf = KSP_SET_BANDPASS | (freq & 0x3F);
_END_ATOMIC_BLOCK();
}