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;**** **** **** **** **** ; ; BLHeli program for controlling brushless motors in helicopters and multirotors ; ; Copyright 2011, 2012 Steffen Skaug ; This program is distributed under the terms of the GNU General Public License ; ; This file is part of BLHeli. ; ; BLHeli is free software: you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation, either version 3 of the License, or ; (at your option) any later version. ; ; BLHeli is distributed in the hope that it will be useful, ; but WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ; GNU General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with BLHeli. If not, see <http://www.gnu.org/licenses/>.
; ;**** **** **** **** **** ; ; SuperSimple 20A hardware definition file ; ; Notes: None ; ;**** **** **** **** ****
;********************* ; Device Atmega8L ;********************* .INCLUDE "m8def.inc"
;**** **** **** **** **** ; Fuses must be set to external oscillator = 16Mhz ;**** **** **** **** ****
;**** **** **** **** **** ; Constant definitions ;**** **** **** **** **** .ESEG ; EEprom segment .ORG 0x40 Eep_ESC_Layout: .DB "#SuperS_20A# " ; ESC layout tag .ORG 0x50 Eep_ESC_MCU: .DB "#BLHELI#Am8L# " ; Project and MCU tag (16 Bytes)
.EQU HIGH_BEC_VOLTAGE = 0 ; Set to 1 or more if high BEC voltage is supported .EQU DAMPED_MODE_ENABLE = 0 ; Set to 1 if fully damped mode is supported .EQU NFETON_DELAY = 30 ; Wait delay from pfets off to nfets on .EQU PFETON_DELAY = 9 ; Wait delay from nfets off to pfets on .EQU ADC_LIMIT_L = 101 ; 4.3k/47k divider. Power supply measurement ADC value for which motor power is limited (low byte) .EQU ADC_LIMIT_H = 0 ; 4.3k/47k divider. Power supply measurement ADC value for which motor power is limited (2 MSBs) .EQU TEMP_LIMIT = 0 ; No sensor. Temperature measurement ADC value for which main motor power is limited .EQU TEMP_LIMIT_STEP = 0 ; No sensor. Temperature measurement ADC value increment for which main motor power is further limited
;**** **** **** **** **** ; ESC specific defaults ;**** **** **** **** **** .EQU DEFAULT_PGM_MAIN_SPOOLUP_TIME = 10 ; Main motor spoolup time .EQU DEFAULT_PGM_MAIN_STARTUP_PWR = 10 ; 1=0.031 2=0.047 3=0.063 4=0.094 5=0.125 6=0.188 7=0.25 8=0.38 9=0.50 10=0.75 11=1.00 12=1.25 13=1.50 .EQU DEFAULT_PGM_TAIL_STARTUP_PWR = 10 ; 1=0.031 2=0.047 3=0.063 4=0.094 5=0.125 6=0.188 7=0.25 8=0.38 9=0.50 10=0.75 11=1.00 12=1.25 13=1.50 .EQU DEFAULT_PGM_MULTI_STARTUP_PWR = 10 ; 1=0.031 2=0.047 3=0.063 4=0.094 5=0.125 6=0.188 7=0.25 8=0.38 9=0.50 10=0.75 11=1.00 12=1.25 13=1.50
;********************* ; PORT D definitions * ;********************* .EQU BpFET = 7 ;o ;.EQU = 6 ;i .EQU ApFET = 5 ;o .EQU CpFET = 4 ;o .EQU CnFET = 3 ;o .EQU Rcp_In = 2 ;i .EQU BnFET = 1 ;o .EQU AnFET = 0 ;o
.equ INIT_PD = 0x00 .equ DIR_PD = (1<<AnFET)+(1<<BnFET)+(1<<CnFET)+(1<<ApFET)+(1<<BpFET)+(1<<CpFET)
.MACRO Get_Rcp_Capture_Values in @0, TCNT1L in @1, TCNT1H .ENDMACRO .MACRO Read_Rcp_Int in @0, PIND sbrc Flags3, PGM_RCP_PWM_POL ; Is pwm polarity negative? com @0 ; Yes - invert .ENDMACRO .MACRO Get_Rcp_Int_Enable_State in @0, GICR ; Get int0 enable state (giving 0 is off, anything else is on) andi @0, (1<<INT0) .ENDMACRO .MACRO Rcp_Int_Enable ldi @0, (1<<INT0) ; Enable int0 out GICR, @0 .ENDMACRO .MACRO Rcp_Int_Disable ldi @0, 0 ; Disable int0 out GICR, @0 .ENDMACRO .MACRO Rcp_Int_First ldi @0, (1<<ISC01)+(1<<ISC00); Default - set next int0 to rising sbrc Flags3, PGM_RCP_PWM_POL ; Is pwm polarity negative? ldi @0, (1<<ISC01) ; Yes - set next int0 to falling out MCUCR, @0 .ENDMACRO .MACRO Rcp_Int_Second ldi @0, (1<<ISC01) ; Default - set next int0 to falling sbrc Flags3, PGM_RCP_PWM_POL ; Is pwm polarity negative? ldi @0, (1<<ISC01)+(1<<ISC00); Yes - set next int0 to rising out MCUCR, @0 .ENDMACRO .MACRO Rcp_Clear_Int_Flag clr @0 sbr @0, (1<<INTF0) ; Clear ext0int flag out GIFR, @0 .ENDMACRO
.MACRO T0_Int_Disable in @0, TIMSK ; Disable timer0 interrupts cbr @0, (1<<TOIE0) out TIMSK, @0 .ENDMACRO .MACRO T0_Int_Enable in @0, TIMSK ; Enable timer0 interrupts sbr @0, (1<<TOIE0) out TIMSK, @0 .ENDMACRO .MACRO T1oca_Clear_Int_Flag ldi @0, (1<<OCF1A) ; Clear oc1a flag out TIFR, @0 .ENDMACRO .MACRO T1oca_Int_Disable in @0, TIMSK ; Disable oc1a interrupts cbr @0, (1<<OCIE1A) out TIMSK, @0 .ENDMACRO .MACRO T1oca_Int_Enable in @0, TIMSK ; Enable oc1a interrupts sbr @0, (1<<OCIE1A) out TIMSK, @0 .ENDMACRO .MACRO T2_Clear_Int_Flag clr @0 sbr @0, (1<<TOV2) ; Clear tov2 flag out TIFR, @0 .ENDMACRO
;********************* ; PORT C definitions * ;********************* .EQU Volt_Ip = 7 ; i ;.EQU = 6 ; i ;.EQU = 5 ; i .EQU Mux_C = 4 ; i .EQU Mux_B = 3 ; i .EQU Mux_A = 2 ; i ;.EQU = 1 ; i ;.EQU = 0 ; i
.equ INIT_PC = 0x00 .equ DIR_PC = 0x00
.MACRO AnFET_on sbi PORTD, AnFET .ENDMACRO .MACRO AnFET_off cbi PORTD, AnFET .ENDMACRO .MACRO BnFET_on sbi PORTD, BnFET .ENDMACRO .MACRO BnFET_off cbi PORTD, BnFET .ENDMACRO .MACRO CnFET_on sbi PORTD, CnFET .ENDMACRO .MACRO CnFET_off cbi PORTD, CnFET .ENDMACRO .MACRO All_nFETs_Off cbi PORTD, AnFET cbi PORTD, BnFET cbi PORTD, CnFET .ENDMACRO
.MACRO ApFET_on sbi PORTD, ApFET .ENDMACRO .MACRO ApFET_off cbi PORTD, ApFET .ENDMACRO .MACRO BpFET_on sbi PORTD, BpFET .ENDMACRO .MACRO BpFET_off cbi PORTD, BpFET .ENDMACRO .MACRO CpFET_on sbi PORTD, CpFET .ENDMACRO .MACRO CpFET_off cbi PORTD, CpFET .ENDMACRO .MACRO All_pFETs_Off cbi PORTD, ApFET cbi PORTD, BpFET cbi PORTD, CpFET .ENDMACRO
.MACRO Brake_FETs_On AnFET_on BnFET_on CnFET_on .ENDMACRO .MACRO Damping_FET_On lds @0, DampingFET sbrc @0, 0 sbi PORTD, ApFET sbrc @0, 1 sbi PORTD, BpFET sbrc @0, 2 sbi PORTD, CpFET .ENDMACRO
.MACRO Comp_Init in @0, SFIOR ; Toggle Analog Comparator Multiplexer Enable cbr @0, (1<<ACME) out SFIOR, @0 Read_Comp_Out @0 in @0, SFIOR sbr @0, (1<<ACME) out SFIOR, @0 .ENDMACRO .MACRO Set_Comp_Phase_A ldi @0, Mux_A ; Set comparator multiplexer to phase A ori @0, (1<<REFS1)+(1<<REFS0) out ADMUX, @0 .ENDMACRO .MACRO Set_Comp_Phase_B ldi @0, Mux_B ; Set comparator multiplexer to phase B ori @0, (1<<REFS1)+(1<<REFS0) out ADMUX, @0 .ENDMACRO .MACRO Set_Comp_Phase_C ldi @0, Mux_C ; Set comparator multiplexer to phase C ori @0, (1<<REFS1)+(1<<REFS0) out ADMUX, @0 .ENDMACRO .MACRO Read_Comp_Out in @0, ACSR ; Read comparator output .ENDMACRO
;********************* ; PORT B definitions * ;********************* ;.EQU = 7 ; i ;.EQU = 6 ; i ;.EQU = 5 ; i .EQU DebugPin = 4 ; o ;.EQU = 3 ; i ;.EQU = 2 ; i ;.EQU = 1 ; i ;.EQU = 0 ; i
.EQU INIT_PB = 0x00 .EQU DIR_PB = (1<<DebugPin)
;********************** ; MCU specific macros * ;********************** .MACRO Interrupt_Table_Definition rjmp reset rjmp rcp_int ; ext_int0 nop ; ext_int1 nop ; t2oc_int rjmp t2_int ; t2ovfl_int nop ; icp1_int rjmp t1oca_int ; t1oca_int nop ; t1ocb_int nop ; t1ovfl_int rjmp t0_int ; t0ovfl_int nop ; spi_int nop ; urxc nop ; udre nop ; utxc ; nop ; adc_int ; nop ; eep_int ; nop ; aci_int ; nop ; wire2_int ; nop ; spmc_int .ENDMACRO
.MACRO Disable_Watchdog cli ; Disable interrupts wdr ; Reset watchdog timer in @0, WDTCR ; Write logical one to WDCE and WDE ori @0, (1<<WDCE)|(1<<WDE) out WDTCR, @0 ldi @0, (0<<WDE) ; Turn off WDT out WDTCR, @0 .ENDMACRO .MACRO Enable_Watchdog ldi @0, (1<<WDE) ; Turn on WDT out WDTCR, @0 .ENDMACRO
.MACRO Initialize_MCU .ENDMACRO
.MACRO Initialize_Interrupts ldi @0, (1<<TOIE0)+(1<<OCIE1A)+(1<<TOIE2) out TIFR, @0 ; Clear interrupts out TIMSK, @0 ; Enable interrupts .ENDMACRO
.MACRO Initialize_Adc ldi @0, Volt_Ip ori @0, (1<<REFS1)+(1<<REFS0) out ADMUX, @0 ; Set ADMUX register in @0, ADCSRA ; Set ADCSRA register (1MHz clock) sbr @0, (1<<ADPS2) sbr @0, (1<<ADEN) ; Enable ADC out ADCSRA, @0 .ENDMACRO
.MACRO Set_Adc_Ip_Volt cbr Flags1, (1<<ADC_READ_TEMP) .ENDMACRO .MACRO Set_Adc_Ip_Temp sbr Flags1, (1<<ADC_READ_TEMP) .ENDMACRO .MACRO Start_Adc ldi @0, Volt_Ip sbrc Flags1, ADC_READ_TEMP ldi @0, Volt_Ip ; No temp sensor ori @0, (1<<REFS1)+(1<<REFS0) out ADMUX, @0 ; Set ADMUX register (2.56V reference, selected input) in @0, ADCSRA sbr @0, (1<<ADEN) ; Enable ADC sbr @0, (1<<ADSC) ; Start ADC conversion out ADCSRA, @0 .ENDMACRO .MACRO Get_Adc_Status in @0, ADCSRA .ENDMACRO .MACRO Read_Adc_Result in @0, ADCL in @1, ADCH .ENDMACRO .MACRO Stop_Adc in @0, ADCSRA cbr @0, (1<<ADEN) ; Disable ADC out ADCSRA, @0 .ENDMACRO
.MACRO Set_Timer0_CS0 out TCCR0, @0 .ENDMACRO .MACRO Set_Timer1_CS1 out TCCR1B, @0 .ENDMACRO .MACRO Set_Timer2_CS2 out TCCR2, @0 .ENDMACRO
.MACRO Read_TCNT1L in @0, TCNT1L .ENDMACRO .MACRO Read_TCNT1H in @0, TCNT1H .ENDMACRO .MACRO Set_OCR1AL out OCR1AL, @0 .ENDMACRO .MACRO Set_OCR1AH out OCR1AH, @0 .ENDMACRO
.MACRO Read_TCNT2 in @0, TCNT2 .ENDMACRO .MACRO Set_TCNT2 out TCNT2, @0 .ENDMACRO
.MACRO Check_Eeprom_Ready sbic EECR, EEWE .ENDMACRO .MACRO Set_Eeprom_Address out EEARL, @0 out EEARH, @1 .ENDMACRO .MACRO Start_Eeprom_Write sbi EECR, EEMWE sbi EECR, EEWE .ENDMACRO
.MACRO Prepare_Lock_Or_Fuse_Read ldi @0, ((1<<BLBSET)+(1<<SPMEN)) out SPMCR, @0 .ENDMACRO
.MACRO xcall rcall @0 .ENDMACRO
.MACRO Set_RPM_Out .ENDMACRO .MACRO Clear_RPM_Out .ENDMACRO
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