| 0,0 → 1,251 |
|---|
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Copyright (c) Holger Buss, Ingo Busker |
| // + Nur für den privaten Gebrauch |
| // + www.MikroKopter.com |
| // + porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation), |
| // + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist. |
| // + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt |
| // + bzgl. der Nutzungsbedingungen aufzunehmen. |
| // + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen, |
| // + Verkauf von Luftbildaufnahmen, usw. |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht, |
| // + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts |
| // + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de" |
| // + eindeutig als Ursprung verlinkt werden |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion |
| // + Benutzung auf eigene Gefahr |
| // + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Die Portierung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur |
| // + mit unserer Zustimmung zulässig |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Redistributions of source code (with or without modifications) must retain the above copyright notice, |
| // + this list of conditions and the following disclaimer. |
| // + * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived |
| // + from this software without specific prior written permission. |
| // + * The use of this project (hardware, software, binary files, sources and documentation) is only permittet |
| // + for non-commercial use (directly or indirectly) |
| // + Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted |
| // + with our written permission |
| // + * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be |
| // + clearly linked as origin |
| // + * porting to systems other than hardware from www.mikrokopter.de is not allowed |
| // + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| // + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| // + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| // + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| // + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| // + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN// + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| // + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| // + POSSIBILITY OF SUCH DAMAGE. |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| #include <inttypes.h> |
| #include <avr/io.h> |
| #include <avr/interrupt.h> |
| #include "eeprom.h" |
| #include "analog.h" |
| #include "main.h" |
| #include "fc.h" |
| #ifdef USE_KILLAGREG |
| #include "mm3.h" |
| #endif |
| #ifdef USE_MK3MAG |
| #include "mk3mag.h" |
| #endif |
| #ifdef USE_RC_SPEKTRUM |
| #include "spectrum.h" |
| #endif |
| |
| |
| volatile uint16_t CountMilliseconds = 0; |
| volatile uint8_t UpdateMotor = 0; |
| volatile uint16_t cntKompass = 0; |
| volatile uint16_t BeepTime = 0; |
| volatile uint16_t BeepModulation = 0xFFFF; |
| |
| #ifdef USE_NAVICTRL |
| volatile uint8_t SendSPI = 0; |
| #endif |
| |
| #define USE_BEEPER |
| |
| |
| /*****************************************************/ |
| /* Initialize Timer 0 */ |
| /*****************************************************/ |
| // timer 0 is used for the PWM generation to control the offset voltage at the air pressure sensor |
| // Its overflow interrupt routine is used to generate the beep signal and the flight control motor update rate |
| void TIMER0_Init(void) |
| { |
| uint8_t sreg = SREG; |
| |
| // disable all interrupts before reconfiguration |
| cli(); |
| |
| // configure speaker port as output |
| if(BoardRelease == 10) |
| { // Speaker at PD2 |
| DDRD |= (1<<DDD2); |
| PORTD &= ~(1<<PORTD2); |
| } |
| else |
| { // Speaker at PC7 |
| DDRC |= (1<<DDC7); |
| PORTC &= ~(1<<PORTC7); |
| } |
| |
| // set PB3 and PB4 as output for the PWM used as offset for the pressure sensor |
| DDRB |= (1<<DDB4)|(1<<DDB3); |
| PORTB &= ~((1<<PORTB4)|(1<<PORTB3)); |
| |
| // Timer/Counter 0 Control Register A |
| |
| // Waveform Generation Mode is Fast PWM (Bits WGM02 = 0, WGM01 = 1, WGM00 = 1) |
| // Clear OC0A on Compare Match, set OC0A at BOTTOM, noninverting PWM (Bits COM0A1 = 1, COM0A0 = 0) |
| // Clear OC0B on Compare Match, set OC0B at BOTTOM, (Bits COM0B1 = 1, COM0B0 = 0) |
| TCCR0A &= ~((1<<COM0A0)|(1<<COM0B0)); |
| TCCR0A |= (1<<COM0A1)|(1<<COM0B1)|(1<<WGM01)|(1<<WGM00); |
| |
| // Timer/Counter 0 Control Register B |
| |
| // set clock divider for timer 0 to SYSKLOCK/8 = 20MHz / 8 = 2.5MHz |
| // i.e. the timer increments from 0x00 to 0xFF with an update rate of 2.5 MHz |
| // hence the timer overflow interrupt frequency is 2.5 MHz / 256 = 9.765 kHz |
| |
| // divider 8 (Bits CS02 = 0, CS01 = 1, CS00 = 0) |
| TCCR0B &= ~((1<<FOC0A)|(1<<FOC0B)|(1<<WGM02)); |
| TCCR0B = (TCCR0B & 0xF8)|(0<<CS02)|(1<<CS01)|(0<<CS00); |
| |
| // initialize the Output Compare Register A & B used for PWM generation on port PB3 & PB4 |
| OCR0A = 0; // for PB3 |
| OCR0B = 120; // for PB4 |
| |
| // init Timer/Counter 0 Register |
| TCNT0 = 0; |
| |
| // Timer/Counter 0 Interrupt Mask Register |
| // enable timer overflow interrupt only |
| TIMSK0 &= ~((1<<OCIE0B)|(1<<OCIE0A)); |
| TIMSK0 |= (1<<TOIE0); |
| |
| SREG = sreg; |
| } |
| |
| |
| |
| /*****************************************************/ |
| /* Interrupt Routine of Timer 0 */ |
| /*****************************************************/ |
| ISR(TIMER0_OVF_vect) // 9.765 kHz |
| { |
| static uint8_t cnt_1ms = 1,cnt = 0; |
| uint8_t Beeper_On = 0; |
| |
| #ifdef USE_NAVICTRL |
| if(SendSPI) SendSPI--; // if SendSPI is 0, the transmit of a byte via SPI bus to and from The Navicontrol is done |
| #endif |
| |
| #ifdef USE_RC_SPEKTRUM |
| if(SpektrumTimer) SpektrumTimer--; |
| #endif |
| |
| if(!cnt--) // every 10th run (9.765kHz/10 = 976Hz) |
| { |
| cnt = 9; |
| cnt_1ms++; |
| cnt_1ms %= 2; |
| if(!cnt_1ms) UpdateMotor = 1; // every 2nd run (976Hz/2 = 488 Hz) |
| CountMilliseconds++; // increment millisecond counter |
| } |
| |
| |
| // beeper on if duration is not over |
| if(BeepTime) |
| { |
| BeepTime--; // decrement BeepTime |
| if(BeepTime & BeepModulation) Beeper_On = 1; |
| else Beeper_On = 0; |
| } |
| else // beeper off if duration is over |
| { |
| Beeper_On = 0; |
| BeepModulation = 0xFFFF; |
| } |
| |
| #ifdef USE_BEEPER |
| // if beeper is on |
| if(Beeper_On) |
| { |
| // set speaker port to high |
| if(BoardRelease == 10) PORTD |= (1<<PORTD2); // Speaker at PD2 |
| else PORTC |= (1<<PORTC7); // Speaker at PC7 |
| } |
| else // beeper is off |
| { |
| // set speaker port to low |
| if(BoardRelease == 10) PORTD &= ~(1<<PORTD2);// Speaker at PD2 |
| else PORTC &= ~(1<<PORTC7);// Speaker at PC7 |
| } |
| #endif |
| |
| #ifndef USE_NAVICTRL |
| // update compass value if this option is enabled in the settings |
| if(ParamSet.Config0 & (CFG0_COMPASS_ACTIVE|CFG0_GPS_ACTIVE)) |
| { |
| #ifdef USE_KILLAGREG |
| MM3_Update(); // read out mm3 board |
| #endif |
| #ifdef USE_MK3MAG |
| MK3MAG_Update(); // read out mk3mag pwm |
| #endif |
| } |
| #endif |
| } |
| |
| |
| |
| // ----------------------------------------------------------------------- |
| uint16_t SetDelay (uint16_t t) |
| { |
| return(CountMilliseconds + t - 1); |
| } |
| |
| // ----------------------------------------------------------------------- |
| int8_t CheckDelay(uint16_t t) |
| { |
| return(((t - CountMilliseconds) & 0x8000) >> 8); // check sign bit |
| } |
| |
| // ----------------------------------------------------------------------- |
| void Delay_ms(uint16_t w) |
| { |
| uint16_t t_stop; |
| t_stop = SetDelay(w); |
| while (!CheckDelay(t_stop)); |
| } |
| |
| // ----------------------------------------------------------------------- |
| void Delay_ms_Mess(uint16_t w) |
| { |
| uint16_t t_stop; |
| t_stop = SetDelay(w); |
| while (!CheckDelay(t_stop)) |
| { |
| if(ADReady) |
| { |
| ADReady = 0; |
| ADC_Enable(); |
| } |
| } |
| } |
| |