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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + www.MikroKopter.com
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + Software Nutzungsbedingungen (english version: see below)
// + der Fa. HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland - nachfolgend Lizenzgeber genannt -
// + Der Lizenzgeber räumt dem Kunden ein nicht-ausschließliches, zeitlich und räumlich* unbeschränktes Recht ein, die im den
// + Mikrocontroller verwendete Firmware für die Hardware Flight-Ctrl, Navi-Ctrl, BL-Ctrl, MK3Mag & PC-Programm MikroKopter-Tool
// + - nachfolgend Software genannt - nur für private Zwecke zu nutzen.
// + Der Einsatz dieser Software ist nur auf oder mit Produkten des Lizenzgebers zulässig.
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + Die vom Lizenzgeber gelieferte Software ist urheberrechtlich geschützt. Alle Rechte an der Software sowie an sonstigen im
// + Rahmen der Vertragsanbahnung und Vertragsdurchführung überlassenen Unterlagen stehen im Verhältnis der Vertragspartner ausschließlich dem Lizenzgeber zu.
// + Die in der Software enthaltenen Copyright-Vermerke, Markenzeichen, andere Rechtsvorbehalte, Seriennummern sowie
// + sonstige der Programmidentifikation dienenden Merkmale dürfen vom Kunden nicht verändert oder unkenntlich gemacht werden.
// + Der Kunde trifft angemessene Vorkehrungen für den sicheren Einsatz der Software. Er wird die Software gründlich auf deren
// + Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt.
// + Die Haftung des Lizenzgebers wird - soweit gesetzlich zulässig - begrenzt in Höhe des typischen und vorhersehbaren
// + Schadens. Die gesetzliche Haftung bei Personenschäden und nach dem Produkthaftungsgesetz bleibt unberührt. Dem Lizenzgeber steht jedoch der Einwand
// + des Mitverschuldens offen.
// + Der Kunde trifft angemessene Vorkehrungen für den Fall, dass die Software ganz oder teilweise nicht ordnungsgemäß arbeitet.
// + Er wird die Software gründlich auf deren Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt.
// + Der Kunde wird er seine Daten vor Einsatz der Software nach dem Stand der Technik sichern.
// + Der Kunde ist darüber unterrichtet, dass der Lizenzgeber seine Daten im zur Vertragsdurchführung erforderlichen Umfang
// + und auf Grundlage der Datenschutzvorschriften erhebt, speichert, verarbeitet und, sofern notwendig, an Dritte übermittelt.
// + *) Die räumliche Nutzung bezieht sich nur auf den Einsatzort, nicht auf die Reichweite der programmierten Software.
// + #### ENDE DER NUTZUNGSBEDINGUNGEN ####'
// + Hinweis: Informationen über erweiterte Nutzungsrechte (wie z.B. Nutzung für nicht-private Zwecke) sind auf Anfrage per Email an info(@)hisystems.de verfügbar.
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + Software LICENSING TERMS
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + of HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland, Germany - the Licensor -
// + The Licensor grants the customer a non-exclusive license to use the microcontroller firmware of the Flight-Ctrl, Navi-Ctrl, BL-Ctrl, and MK3Mag hardware
// + (the Software) exclusively for private purposes. The License is unrestricted with respect to time and territory*.
// + The Software may only be used with the Licensor's products.
// + The Software provided by the Licensor is protected by copyright. With respect to the relationship between the parties to this
// + agreement, all rights pertaining to the Software and other documents provided during the preparation and execution of this
// + agreement shall be the property of the Licensor.
// + The information contained in the Software copyright notices, trademarks, other legal reservations, serial numbers and other
// + features that can be used to identify the program may not be altered or defaced by the customer.
// + The customer shall be responsible for taking reasonable precautions
// + for the safe use of the Software. The customer shall test the Software thoroughly regarding its suitability for the
// + intended purpose before implementing it for actual operation. The Licensor's liability shall be limited to the extent of typical and
// + foreseeable damage to the extent permitted by law, notwithstanding statutory liability for bodily injury and product
// + liability. However, the Licensor shall be entitled to the defense of contributory negligence.
// + The customer will take adequate precautions in the case, that the software is not working properly. The customer will test
// + the software for his purpose before any operational usage. The customer will backup his data before using the software.
// + The customer understands that the Licensor collects, stores and processes, and, where required, forwards, customer data
// + to third parties to the extent necessary for executing the agreement, subject to applicable data protection and privacy regulations.
// + *) The territory aspect only refers to the place where the Software is used, not its programmed range.
// + #### END OF LICENSING TERMS ####
// + Note: For information on license extensions (e.g. commercial use), please contact us at info(@)hisystems.de.
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#include "main.h"
#define MULTIPLYER 4
volatile unsigned int CountMilliseconds = 0;
volatile unsigned int tim_main;
volatile unsigned char UpdateMotor = 0;
volatile unsigned int cntKompass = 0;
volatile unsigned int beeptime = 0;
volatile unsigned char BytegapSPI = 0, ServoActive = 0, CalculateServoSignals = 1;
unsigned char JustMK3MagConnected = 0;
uint16_t RemainingPulse = 0;
volatile int16_t ServoNickOffset = (255 / 2) * MULTIPLYER * 16; // initial value near center positon
volatile int16_t ServoRollOffset = (255 / 2) * MULTIPLYER * 16; // initial value near center positon
unsigned int BeepMuster = 0xffff;
signed int NickServoValue = 128 * MULTIPLYER * 16;
volatile int16_t ServoNickValue = 0;
volatile int16_t ServoRollValue = 0;
enum {
STOP = 0,
CK = 1,
CK8 = 2,
CK64 = 3,
CK256 = 4,
CK1024 = 5,
T0_FALLING_EDGE = 6,
T0_RISING_EDGE = 7
};
ISR(TIMER0_OVF_vect) // 9,7kHz
{
static unsigned char cnt_1ms = 1,cnt = 0;
unsigned char pieper_ein = 0;
if(BytegapSPI) BytegapSPI--;
if(SpektrumTimer) SpektrumTimer--;
if(!cnt--)
{
cnt = 9;
CountMilliseconds++;
cnt_1ms++;
cnt_1ms %= 2;
if(!cnt_1ms) if(UpdateMotor < 4) UpdateMotor++;
if(!(PINC & 0x10)) JustMK3MagConnected = 1;
if(beeptime)
{
if(beeptime > 10) beeptime -= 10; else beeptime = 0;
if(beeptime & BeepMuster)
{
pieper_ein = 1;
}
else pieper_ein = 0;
}
else
{
pieper_ein = 0;
BeepMuster = 0xffff;
}
#if (defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__))
if(pieper_ein) PORTC |= (1<<7); // Speaker an PORTC.7
else PORTC &= ~(1<<7);
#else
if(pieper_ein)
{
if(PlatinenVersion == 10) PORTD |= (1<<2); // Speaker an PORTD.2
else PORTC |= (1<<7); // Speaker an PORTC.7
}
else
{
if(PlatinenVersion == 10) PORTD &= ~(1<<2);
else PORTC &= ~(1<<7);
}
#endif
}
if(JustMK3MagConnected && !NaviDataOkay && Parameter_GlobalConfig & CFG_KOMPASS_AKTIV)
{
if(PINC & 0x10)
{
if(++cntKompass > 1000) JustMK3MagConnected = 0;
}
else
{
if((cntKompass) && (cntKompass < 362))
{
cntKompass += cntKompass / 41;
if(cntKompass > 10) KompassValue = cntKompass - 10; else KompassValue = 0;
// KompassRichtung = ((540 + KompassValue - KompassSollWert) % 360) - 180;
}
cntKompass = 0;
}
}
}
// -----------------------------------------------------------------------
unsigned int SetDelay(unsigned int t)
{
// TIMSK0 &= ~_BV(TOIE0);
return(CountMilliseconds + t + 1);
// TIMSK0 |= _BV(TOIE0);
}
// -----------------------------------------------------------------------
char CheckDelay(unsigned int t)
{
// TIMSK0 &= ~_BV(TOIE0);
return(((t - CountMilliseconds) & 0x8000) >> 9);
// TIMSK0 |= _BV(TOIE0);
}
// -----------------------------------------------------------------------
void Delay_ms(unsigned int w)
{
unsigned int akt;
akt = SetDelay(w);
while (!CheckDelay(akt));
}
void Delay_ms_Mess(unsigned int w)
{
unsigned int akt;
akt = SetDelay(w);
while (!CheckDelay(akt)) if(AdReady) {AdReady = 0; ANALOG_ON;}
}
/*****************************************************/
/* Initialize Timer 2 */
/*****************************************************/
// The timer 2 is used to generate the PWM at PD7 (J7)
// to control a camera servo for nick compensation.
void TIMER2_Init(void)
{
uint8_t sreg = SREG;
// disable all interrupts before reconfiguration
cli();
PORTD &= ~(1<<PORTD7); // set PD7 to low
DDRC |= (1<<DDC6); // set PC6 as output (Reset for HEF4017)
HEF4017Reset_ON;
// Timer/Counter 2 Control Register A
// Timer Mode is FastPWM with timer reload at OCR2A (Bits: WGM22 = 1, WGM21 = 1, WGM20 = 1)
// PD7: Normal port operation, OC2A disconnected, (Bits: COM2A1 = 0, COM2A0 = 0)
// PD6: Normal port operation, OC2B disconnected, (Bits: COM2B1 = 0, COM2B0 = 0)
TCCR2A &= ~((1<<COM2A1)|(1<<COM2A0)|(1<<COM2B1)|(1<<COM2B0));
TCCR2A |= (1<<WGM21)|(1<<WGM20);
// Timer/Counter 2 Control Register B
// Set clock divider for timer 2 to SYSKLOCK/32 = 20MHz / 32 = 625 kHz
// The timer increments from 0x00 to 0xFF with an update rate of 625 kHz or 1.6 us
// hence the timer overflow interrupt frequency is 625 kHz / 256 = 2.44 kHz or 0.4096 ms
// divider 32 (Bits: CS022 = 0, CS21 = 1, CS20 = 1)
TCCR2B &= ~((1<<FOC2A)|(1<<FOC2B)|(1<<CS22));
TCCR2B |= (1<<CS21)|(1<<CS20)|(1<<WGM22);
// Initialize the Timer/Counter 2 Register
TCNT2 = 0;
// Initialize the Output Compare Register A used for PWM generation on port PD7.
OCR2A = 255;
TCCR2A |= (1<<COM2A1); // set or clear at compare match depends on value of COM2A0
// Timer/Counter 2 Interrupt Mask Register
// Enable timer output compare match A Interrupt only
TIMSK2 &= ~((1<<OCIE2B)|(1<<TOIE2));
TIMSK2 |= (1<<OCIE2A);
SREG = sreg;
}
//----------------------------
void Timer_Init(void)
{
tim_main = SetDelay(10);
TCCR0B = CK8;
// TCCR0A = (1<<COM0A1)|(1<<COM0B1)|3;//fast PWM
TCCR0A = (1<<COM0A1)|(1<<COM0B1)|(1<<COM0B0)|3;//fast PWM
OCR0B = 255;
OCR0A = 180;
TCNT0 = (unsigned char)-TIMER_RELOAD_VALUE; // reload
//OCR1 = 0x00;
TIMSK0 |= _BV(TOIE0);
}
/*****************************************************/
/* Control Servo Position */
/*****************************************************/
void CalcNickServoValue(void)
{
signed int max, min;
if(EE_Parameter.ServoCompInvert & SERVO_RELATIVE) // relative moving of the servo value
{
max = ((unsigned int) EE_Parameter.ServoNickMax * MULTIPLYER * 15);
min = ((unsigned int) EE_Parameter.ServoNickMin * MULTIPLYER * 20);
NickServoValue -= ((signed char) (Parameter_ServoNickControl - 128) / 4) * 6;
LIMIT_MIN_MAX(NickServoValue,min, max);
}
else NickServoValue = (int16_t)Parameter_ServoNickControl * (MULTIPLYER*16); // direct poti control
}
void CalculateServo(void)
{
signed char cosinus, sinus;
signed long nick, roll;
cosinus = sintab[EE_Parameter.CamOrientation + 6];
sinus = sintab[EE_Parameter.CamOrientation];
if(CalculateServoSignals == 1)
{
if(EE_Parameter.GlobalConfig3 & CFG3_SERVO_NICK_COMP_OFF) nick = 0;
else nick = (cosinus * IntegralNick) / 128L - (sinus * IntegralRoll) / 128L;
nick -= POI_KameraNick * 7;
nick = ((long)Parameter_ServoNickComp * nick) / 512L;
// offset (Range from 0 to 255 * 3 = 765)
if(EE_Parameter.ServoCompInvert & SERVO_RELATIVE) ServoNickOffset = NickServoValue;
else ServoNickOffset += (NickServoValue - ServoNickOffset) / EE_Parameter.ServoManualControlSpeed;
if(EE_Parameter.ServoCompInvert & SERVO_NICK_INV) // inverting movement of servo
{
nick = ServoNickOffset / 16 + nick;
}
else
{ // inverting movement of servo
nick = ServoNickOffset / 16 - nick;
}
if(EE_Parameter.ServoFilterNick) ServoNickValue = ((ServoNickValue * EE_Parameter.ServoFilterNick) + nick) / (EE_Parameter.ServoFilterNick + 1);
else ServoNickValue = nick;
// limit servo value to its parameter range definition
if(ServoNickValue < ((int16_t)EE_Parameter.ServoNickMin * MULTIPLYER))
{
ServoNickValue = (int16_t)EE_Parameter.ServoNickMin * MULTIPLYER;
}
else
if(ServoNickValue > ((int16_t)EE_Parameter.ServoNickMax * MULTIPLYER))
{
ServoNickValue = (int16_t)EE_Parameter.ServoNickMax * MULTIPLYER;
}
if(PlatinenVersion < 20) CalculateServoSignals = 0; else CalculateServoSignals++;
}
else
{
roll = (cosinus * IntegralRoll) / 128L + (sinus * IntegralNick) / 128L;
roll = ((long)Parameter_ServoRollComp * roll) / 512L;
ServoRollOffset += ((int16_t)Parameter_ServoRollControl * (MULTIPLYER*16) - ServoRollOffset) / EE_Parameter.ServoManualControlSpeed;
if(EE_Parameter.ServoCompInvert & SERVO_ROLL_INV)
{ // inverting movement of servo
roll = ServoRollOffset / 16 + roll;
}
else
{ // inverting movement of servo
roll = ServoRollOffset / 16 - roll;
}
if(EE_Parameter.ServoFilterRoll) ServoRollValue = ((ServoRollValue * EE_Parameter.ServoFilterRoll) + roll) / (EE_Parameter.ServoFilterRoll + 1);
else ServoRollValue = roll;
// limit servo value to its parameter range definition
if(ServoRollValue < ((int16_t)EE_Parameter.ServoRollMin * MULTIPLYER))
{
ServoRollValue = (int16_t)EE_Parameter.ServoRollMin * MULTIPLYER;
}
else
if(ServoRollValue > ((int16_t)EE_Parameter.ServoRollMax * MULTIPLYER))
{
ServoRollValue = (int16_t)EE_Parameter.ServoRollMax * MULTIPLYER;
}
CalculateServoSignals = 0;
}
}
ISR(TIMER2_COMPA_vect)
{
// frame len 22.5 ms = 14063 * 1.6 us
// stop pulse: 0.3 ms = 188 * 1.6 us
// min servo pulse: 0.6 ms = 375 * 1.6 us
// max servo pulse: 2.4 ms = 1500 * 1.6 us
// resolution: 1500 - 375 = 1125 steps
#define IRS_RUNTIME 127
#define PPM_STOPPULSE 188
#define PPM_FRAMELEN (1757 * EE_Parameter.ServoNickRefresh)
#define MINSERVOPULSE 375
#define MAXSERVOPULSE 1500
#define SERVORANGE (MAXSERVOPULSE - MINSERVOPULSE)
static uint8_t PulseOutput = 0;
static uint16_t ServoFrameTime = 0;
static uint8_t ServoIndex = 0;
if(PlatinenVersion < 20)
{
//---------------------------
// Nick servo state machine
//---------------------------
if(!PulseOutput) // pulse output complete
{
if(TCCR2A & (1<<COM2A0)) // we had a low pulse
{
TCCR2A &= ~(1<<COM2A0);// make a high pulse
RemainingPulse = MINSERVOPULSE + SERVORANGE/2; // center position ~ 1.5ms
RemainingPulse += ServoNickValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position
// range servo pulse width
if(RemainingPulse > MAXSERVOPULSE ) RemainingPulse = MAXSERVOPULSE; // upper servo pulse limit
else if(RemainingPulse < MINSERVOPULSE ) RemainingPulse = MINSERVOPULSE; // lower servo pulse limit
// accumulate time for correct update rate
ServoFrameTime = RemainingPulse;
}
else // we had a high pulse
{
TCCR2A |= (1<<COM2A0); // make a low pulse
RemainingPulse = PPM_FRAMELEN - ServoFrameTime;
CalculateServoSignals = 1;
}
// set pulse output active
PulseOutput = 1;
}
} // EOF Nick servo state machine
else
{
//-----------------------------------------------------
// PPM state machine, onboard demultiplexed by HEF4017
//-----------------------------------------------------
if(!PulseOutput) // pulse output complete
{
if(TCCR2A & (1<<COM2A0)) // we had a low pulse
{
TCCR2A &= ~(1<<COM2A0);// make a high pulse
if(ServoIndex == 0) // if we are at the sync gap
{
RemainingPulse = PPM_FRAMELEN - ServoFrameTime; // generate sync gap by filling time to full frame time
ServoFrameTime = 0; // reset servo frame time
HEF4017Reset_ON; // enable HEF4017 reset
}
else // servo channels
if(ServoIndex > EE_Parameter.ServoNickRefresh)
{
RemainingPulse = 10; // end it here
}
else
{
RemainingPulse = MINSERVOPULSE + SERVORANGE/2; // center position ~ 1.5ms
switch(ServoIndex) // map servo channels
{
case 1: // Nick Compensation Servo
RemainingPulse += ServoNickValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position
break;
case 2: // Roll Compensation Servo
RemainingPulse += ServoRollValue - (256 / 2) * MULTIPLYER; // shift ServoNickValue to center position
break;
case 3:
RemainingPulse += ((int16_t)Parameter_Servo3 * MULTIPLYER) - (256 / 2) * MULTIPLYER;
break;
case 4:
RemainingPulse += ((int16_t)Parameter_Servo4 * MULTIPLYER) - (256 / 2) * MULTIPLYER;
break;
case 5:
RemainingPulse += ((int16_t)Parameter_Servo5 * MULTIPLYER) - (256 / 2) * MULTIPLYER;
break;
default: // other servo channels
RemainingPulse += 2 * PPM_in[ServoIndex]; // add channel value, factor of 2 because timer 1 increments 3.2µs
break;
}
// range servo pulse width
if(RemainingPulse > MAXSERVOPULSE) RemainingPulse = MAXSERVOPULSE; // upper servo pulse limit
else if(RemainingPulse < MINSERVOPULSE) RemainingPulse = MINSERVOPULSE; // lower servo pulse limit
// substract stop pulse width
RemainingPulse -= PPM_STOPPULSE;
// accumulate time for correct sync gap
ServoFrameTime += RemainingPulse;
}
}
else // we had a high pulse
{
TCCR2A |= (1<<COM2A0); // make a low pulse
// set pulsewidth to stop pulse width
RemainingPulse = PPM_STOPPULSE;
// accumulate time for correct sync gap
ServoFrameTime += RemainingPulse;
if((ServoActive && SenderOkay) || ServoActive == 2) HEF4017Reset_OFF; // disable HEF4017 reset
else HEF4017Reset_ON;
ServoIndex++;
if(ServoIndex > EE_Parameter.ServoNickRefresh+1)
{
CalculateServoSignals = 1;
ServoIndex = 0; // reset to the sync gap
}
}
// set pulse output active
PulseOutput = 1;
}
} // EOF PPM state machine
// General pulse output generator
if(RemainingPulse > (255 + IRS_RUNTIME))
{
OCR2A = 255;
RemainingPulse -= 255;
}
else
{
if(RemainingPulse > 255) // this is the 2nd last part
{
if((RemainingPulse - 255) < IRS_RUNTIME)
{
OCR2A = 255 - IRS_RUNTIME;
RemainingPulse -= 255 - IRS_RUNTIME;
}
else // last part > ISR_RUNTIME
{
OCR2A = 255;
RemainingPulse -= 255;
}
}
else // this is the last part
{
OCR2A = RemainingPulse;
RemainingPulse = 0;
PulseOutput = 0; // trigger to stop pulse
}
} // EOF general pulse output generator
}