;-----------------------------------------------------------------------------------------------; ; Program: Kurz PC-2 ; ; Developed by David J. Brown ; ; Copyright (c) April 13, 2004 David J. Brown ; ; Email: davebr@earthlink.net ; ; Web site: http://modularsynthesis.com ; ;-----------------------------------------------------------------------------------------------; ; LICENSE AGREEMENT: ; ; This program is free software. You can redistribute it and/or modify it. ; ; ; ; This program 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. ; ;-----------------------------------------------------------------------------------------------; ; ; Description: ; This is a Kurzweil PC-2 ribbon controller. This program will output a ribbon ; control voltage, trigger (on first contact) and gate. The control voltage ; range is 0 to 10 volts. The control voltage will revert to 5 volts on no ; contact. This voltage may be fine tuned with IN-1. ; ; Output priority will be for contact with the most right section of the ribbon. ; The STOP led indicates contact with the ribbon. The output voltage is sent to ; the display. The variables diode, off_lm, and off_mr may need to be adjusted ; for various ribbon & diodes. ; ; The SpeakJet says "ouch - that hurt" on contact. ; ; Inputs: ; Start = ; Stop = ; In-1 = 5 volt adjust (no contact) ; In-2 = ribbon left ; In-3 = ribbon middle ; In-4 = ribbon right ; Aux = ; Midi-In = ; ; Outputs: ; Out-1 = cv out ; Out-2 = gate (5 volts) ; Out-3 = trigger (15 mS @ 5 volts) ; Out-4 = ribbon power ; Aux = ; Midi-Out= ; Speakjet= says "ouch" on contact ; ; Display = displays program name ; Run led = toggles @ 0.5 S (timer interrupts enabled) ; Stop led= ribbon contact ; ; Revision: 0.2S2 ; Date Sept 24, 2010 ; History: 0.2S2 changed serial for Studio 2 ; 0.2S changed i2cout and shiftout for Studio ; 0.2 removed debug_led and updated hex2ascii, send_cc, ; display_in, and display_out to eliminiate push/pop ; 0.1 changed speakjet to i2c protocol, speak program name on start ; 0.0 initial release of program ; Written: April 14, 2006 ; ;---------ENABLE MIDI INTERRUPT CONDITIONAL COMPILE OPTION--------------------------------------; ; Note: speakjet and console serial output is not compatible with interrupts ; ; ; ; COMMENT OUT NEXT LINE TO DISABLE MIDI INTERRUPTS/ENABLE POLLED ; midi_int_en con 1 ;define to enable midi interrupts ; ; ;comment to set polled midi mode ; ;-----------------------------------------------------------------------------------------------; ;---------ENABLE AUX_IN RISING EDGE INTERRUPT CONDITIONAL COMPILE OPTION------------------------; ; ; ; COMMENT OUT NEXT LINE TO DISABLE AUX INPUT RISING EDGE INTERRUPTS ; ;aux_int_en con 1 ;define to enable aux_in rising edge interrupts ; ; ;comment to disable aux_in rising edge interrupts ; ;-----------------------------------------------------------------------------------------------; ;---------ENABLE TIMER INTERRUPT CONDITIONAL COMPILE OPTION-------------------------------------; ; Notes: run led will blink to verify timer operation ; ; speakjet and console serial output is not compatible with interrupts ; ; ; ; COMMENT OUT NEXT LINE TO DISABLE TIMER INTERRUPTS ; timer_int_en con 1 ;define to enable timer interrupts ; ; ;comment to disable timer interrupts ; ; ; ; ;------ENABLE AVERAGED ANALOG-IN IN TIMER INTERRUPT CONDITIONAL COMPILE OPTION------------; ; ; ; Note: requires timer_int_en to be defined. ; ; ; ; ; ; ; ; COMMENT OUT NEXT LINE TO DISABLE ANALOG-IN ON TIMER INTERRUPTS/ENABLE POLLED ANALOG-IN ; ; ;input_int_en con 1 ;define to enable input interrupt mode ; ; ; ; ;comment to set polled input mode ; ; ; ;-----------------------------------------------------------------------------------------; ; ; ; ; ;------ENABLE RISING EDGE DETECT IN TIMER INTERRUPT CONDITIONAL COMPILE OPTION------------; ; ; ; Note: requires timer_int_en to be defined. ; ; ; ; ; ; ; ; COMMENT OUT NEXT LINE TO DISABLE RISING EDGE DETECT IN TIMER INTERRUPTS ; ; ;edge_int_en con 1 ;define to enable rising edge detect mode ; ; ; ; ;comment to disable rising edge detect mode ; ; ; ; UNCOMMENT ONE OF NEXT THREE LINES TO SELECT INPUT FOR RISING EDGE DETECT ; ; ;edge_in var in4 ;use start jack for rising edge detect input ; ; ;edge_in var in5 ;use stop jack for rising edge detect input ; ; ;edge_in var in8 ;use aux jack for rising edge detect input ; ; ; ;-----------------------------------------------------------------------------------------; ; ; ; ;-----------------------------------------------------------------------------------------------; ; Program: PSIM Template ; Developed by David J. Brown ; Revision: 0.66 ; Date: March 14, 2006 ; History: 0.66 added edge_flg to detect rising edges in timer isr, ; added aux_cnt for aux_in rising edge interrupts, added ; display command summary ; 0.65 added display_in to display four input voltages, ; added display_out to display four output voltages, ; programmed voltage characters, updated sample code, ; added GPL ; 0.64 added hex2ascii for conversion with leading 0's, ; default display message, removed serial hex_led routine ; 0.63 removed 'high midi_sdata' command which limited ; TxD (P15) to V(ol)=1.5 volts ; 0.62 added hex_lcd routine, changed debug_data to ; data_hex, changed debug_speakjet to hex_speakjet, ; debug_led to hex_led, and debug_console to hex_console, ; added start message ; 0.61 change dirs command for MIDI out pin, changed ; load_outputs to 'or' instead of 'add' ; 0.6 changed midi drivers to use hserial interrupt ; mechanism ; 0.51 changed midi-out during timer interrupt to use ; timerA on 512 uS ; 0.5 added midi-out during timer interrupt, added ; put_tx_bfr, modified send_midi routine, added ; conditional midi-out compile option, added send_cc ; 0.44 streamlined debug_speakjet routine, changed ; gra divisor from 2000 to 2001 for accurate time ; 0.43 corrected send_speakjet pin label error, changed ; display_led to debug_led, changed send_console to ; debug_console, added debug_speakjet routine, changed ; led_data and con_data to debug_data ; 0.42 renamed start_b to start_j, renamed stop_b to ; stop_j, added push/pop to display_led, changed ; comment delimiter to semicolon, added send_console ; routine, re-aliased input pins, sends midi all notes ; off during initialization, added midi program change ; 0.41 upper case conversion to lower, variables and ; labels renamed ; 0.4 added averaged input input driver (polled or ; interrupt mode), display_led driver (for debug), ; speakjet driver, renamed program to djb template ; 0.3 added program header information, modified ; pin initialization ; 0.2 initialize aux output low and speakjet pins ; 0.1 added DAC & led initialization, 1 mS timestamp, ; stop led blinks when midi data received, run ; led toggles @ 0.5 S for health indication ; 0.0 initial release of midi input & output program ; Written: April 13, 2004 ; ;-----------------------------------------------------------------------------------------------; ; BasicMicro AtomPro24 PSIM pins ; ;-----------------------------------------------------------------------------------------------; ; P0 - in-1 ; ; P1 - in-2 ; ; P2 - in-3 ; ; P3 - in-4 ; ; P4 - start button (0=normal, 1=depressed) ; ; P5 - stop button (0=normal, 1=depressed) ; ; P6 - speakjet buffer (1=half full) ; ; P7 - speakjet out ; ; P8 - aux digital input or output ; ; P9 - stop led (low=off, hi=on) ; ; P10 - run led (low=off hi=on) ; ; P11 - dac load_dacs ; ; P12 - dac ser_data ; ; P13 - dac clock ; ; P14 - midi-in ; ; P15 - midi-out ; ;-----------------------------------------------------------------------------------------------; ; DJB-LCD commands ; ;-----------------------------------------------------------------------------------------------; ; $08 - (backspace) moves the active display position one backwards ; ; $09 - (tab) moves the active display position one forward ; ; $0a - (line feed) clears the display & sets active display position to beginning of line 1 ; ; $0b - (vertical tab) sets the active display position to beginning of line 2 ; ; $0c - (form feed) vlears the display & sets active display position to beginning of line 2 ; ; $0d - (carriage return) Sets the active display position to beginning of line 1 ; ; $0e - (shift out) selects the lower characters set for display ; ; $0f - (shift in) selects the upper characters set for display ; ; $10 - program character0 row7, row6 ... row0 (bottom) ; ; $11 - program character1 row7, row6 ... row0 (bottom) ; ; $12 - program character2 row7, row6 ... row0 (bottom) ; ; $13 - program character3 row7, row6 ... row0 (bottom) ; ; $14 - program character4 row7, row6 ... row0 (bottom) ; ; $15 - program character5 row7, row6 ... row0 (bottom) ; ; $16 - program character6 row7, row6 ... row0 (bottom) ; ; $17 - program character7 row7, row6 ... row0 (bottom) ; ; $18 - sets the display mode to overwrite. New characters overwrite previous ; ; $19 - sets the display mode to scroll. Display scrolls for new characters ; ; $1a - reserved ; ; $1b - reserved ; ; $1c - set Out1 data (0=no change, 1=reset to low, 2=set to high, 3=toggle) ; ; $1d - set Out2 data (0=no change, 1=reset to low, 2=set to high, 3=toggle) ; ; $1e - set Out3 data (0=no change, 1=reset to low, 2=set to high, 3=toggle) ; ; $1f - set Out4 data (0=no change, 1=reset to low, 2=set to high, 3=toggle) ; ;-----------------------------------------------------------------------------------------------; ;pin declarations pin_j1 con p0 ;in-1 pin pin_j2 con p1 ;in-2 pin pin_j3 con p2 ;in-3 pin pin_j4 con p3 ;in-4 pin start_j var in4 ;start jack and switch stop_j var in5 ;stop jack and switch spkj_full var in6 ;speakjet buffer half full spkj_sdata con p7 ;speakjet data aux_j con p8 ;aux jack (output mode) aux_in var in8 ;aux jack (input mode) stop_led con p9 ;stop led (red) stop_led_out var out9 ;stop led alias used for let statement run_led con p10 ;run led (green) run_led_out var out10 ;run led alias used for let statement load_dacs con p11 ;load dac pin ser_data con p12 ;dac serial data input pin clock con p13 ;dac clock pin midi_sdata con p15 ;midi data serial output ;i/o declarations in_j1 var word ;in-1 value: get_inputs, get_inputs_avg, avg1 in_j2 var word ;in-2 value: get_inputs, get_inputs_avg, avc2 in_j3 var word ;in-3 value: get_inputs, get_inputs_avg, avg3 in_j4 var word ;in-4 value: get_inputs, get_inputs_avg, avg4 out_j1 var word ;out-1 value: load_outputs out_j2 var word ;out-2 value: load_outputs out_j3 var word ;out-3 value: load_outputs out_j4 var word ;out-4 value: load_outputs ;midi variable declarations note_off con $80 ;midi note-off command: send_note_on, send_note_off note_on con $90 ;midi note-on command: send_note_on, send_note_off cont_ctr con $b0 ;midi continuous controller; send_all_off, send_cc pgm_chg con $c0 ;midi program change command:send_prog_change midi_chan var nib ;midi channel (0 - 15): send_note_on, send_note_off midi_note var byte ;midi note value: send_note_on, send_note_off midi_vel var byte ;midi velocity value: send_note_on, send_note_off midi_pgm var byte ;midi program change value:send_prog_change midi_cc var byte ;midi continuous controller number: send_cc ;midi driver variable declarations midi_data var byte ;variable: check_midi, send_midi, get_rcx_bfr, send_note_on, send_note_off rcx_data_flg var bit ;received data flag (1=data, 0=no data): get_rcx_bfr #ifndef midi_int_en rcx_status var byte ;variable: check_midi, send_midi rcx_data var byte ;variable: check_midi rcx_ptr_strt var byte ;received data start pointer (first data in buffer): get_rcx_bfr rcx_ptr_end var byte ;received data end pointer (last data in buffer+1): check_midi, midi_in_isr rcx_bfr_num var byte ;number of bytes in data buffer: check_midi, get_rcx_bfr, midi_in_isr rcx_bfr_len con 128 ;midi-in buffer length: rcx_bfr rcx_bfr var byte(rcx_bfr_len) ;midi-in data buffer: check_midi, get_rcx_bfr, midi_in_isr tx_status var byte ;variable: send_midi #endif ;timer declarations #ifdef timer_int_en time_count var long ;1 mS timer count value: tm_isr turn_off var long ;time value to turn off stop led: tm_isr #endif ;edge detect declarations #ifdef edge_int_en edge_state var byte ;eight samples of edge input: tm_isr edge_flg var byte ;edge flag (1=rising edge, 0=no rising edge): tm_isr #endif #ifdef aux_int_en aux_cnt var word ;aux interrupt count: aux_isr #endif ;input buffer declarations in_j1_ptr var byte ;in-1 buffer pointer: avgx, get_inputs_avg #ifdef input_int_en in_j2_ptr var byte ;in-2 buffer pointer: avgx in_j3_ptr var byte ;in-3 buffer pointer: avgx in_j4_ptr var byte ;in-4 buffer pointer: avgx isr_cnt var nib ;timer pass counter: tm_isr #endif in_j1_tmp var long ;in-1 temporary variable: avgx, get_inputs_avg in_j2_tmp var long ;in-2 temporary variable: avgx, get_inputs_avg in_j3_tmp var long ;in-3 temporary variable: avgx, get_inputs_avg in_j4_tmp var long ;in-4 temporary variable: avgx, get_inputs_avg in_j1_bfr var long(2) ;in-1 last 4 samples buffer: avgx, get_inputs_avg in_j2_bfr var long(2) ;in-2 last 4 samples buffer: avgx, get_inputs_avg in_j3_bfr var long(2) ;in-3 last 4 samples buffer: avgx, get_inputs_avg in_j4_bfr var long(2) ;in-4 last 4 samples buffer: avgx, get_inputs_avg ;display declarations num_data var byte ;data for ascii conversion: hex2ascii huns var byte ;hundreds digit: hex2ascii tens var byte ;tens digit: hex2ascii, display_in, display_out ones var byte ;ones digit: hex2ascii, display_in, display_out ;misc declarations tempb var byte ;temp byte tempb2 var byte ;temp byte tempw var word ;temp word spkj_data var byte ;variable: send_speakjet data_hex var byte ;variable: debug_led, debug_console, out_speakjet p_index var byte ;phrase index counter: out_speakjet fivevolts con 1920 ;5 volt output value contact var byte ;flag for ribbon contact (0=no contact, 1=contact) trigger var byte ;flag for trigger (1=first contact) first var byte ;flag for speakjet ;ribbon-specific declarations ;you will need to adjust these for various configurations diode con 61 ;diode drop 61 * 10 / 1023 = 0.596 volts (measured) off_lm con 341 ;offset for left to middle transition off_mr con 642 ;offset for middle to right transition ;debug phrase declarations ;terminate speakjet phrase data with 255 ;bytetable length MUST be even for offsets so pad with extra 255 if necessary ;&%!/# compiler cannot calculate offsets so must define each phrase length ;written by David J. Brown len_0 con 8 ;length of data_0 phrase: 'zero' data_0 bytetable 167, 007, 128, 007, 149, 164, 006, 255 len_1 con 8 ;length of data_1 phrase: 'one' data_1 bytetable 147, 014, 136, 008, 141, 006, 255, 255 len_2 con 6 ;length of data_2 phrase: 'two' data_2 bytetable 008, 191, 162, 006, 255, 255 len_3 con 8 ;length of data_3 phrase: 'three' data_3 bytetable 008, 190, 148, 008, 128, 006, 255, 255 len_4 con 6 ;length of data_4 phrase: 'four' data_4 bytetable 186, 007, 137, 153, 006, 255 len_5 con 6 ;length of data_5 phrase: 'five' data_5 bytetable 186, 157, 166, 006, 255, 255 len_6 con 10 ;length of data_6 phrase: 'six' data_6 bytetable 008, 187, 129, 014, 194, 007, 187, 006, 255, 255 len_7 con 10 ;length of data_7 phrase: 'seven' data_7 bytetable 008, 187, 007, 131, 166, 131, 141, 006, 255, 255 len_8 con 6 ;length of data_8 phrase: 'eight' data_8 bytetable 154, 004, 191, 006, 255, 255 len_9 con 6 ;length of data_9 phrase: 'nine' data_9 bytetable 141, 014, 157, 141, 006, 255 len_A con 4 ;length of data_A phrase: 'A' data_A bytetable 154, 128, 006, 255 len_B con 6 ;length of data_B phrase: 'B' data_B bytetable 170, 128, 128, 006, 255, 255 len_C con 6 ;length of data_C phrase: 'C' data_C bytetable 187, 187, 128, 128, 006, 255 len_D con 6 ;length of data_D phrase: 'D' data_D bytetable 175, 128, 128, 006, 255, 255 len_E con 6 ;length of data_E phrase: 'E' data_E bytetable 128, 128, 128, 128, 006, 255 len_F con 6 ;length of data_F phrase: 'F' data_F bytetable 008, 131, 186, 006, 255, 255 ;phrase offset calculations for table off_0 con 0 ;offset to data_0 off_1 con off_0+len_0 ;offset to data_1 off_2 con off_1+len_1 ;offset to data_2 off_3 con off_2+len_2 ;offset to data_3 off_4 con off_3+len_3 ;offset to data_4 off_5 con off_4+len_4 ;offset to data_5 off_6 con off_5+len_5 ;offset to data_6 off_7 con off_6+len_6 ;offset to data_7 off_8 con off_7+len_7 ;offset to data_8 off_9 con off_8+len_8 ;offset to data_9 off_A con off_9+len_9 ;offset to data_A off_B con off_A+len_A ;offset to data_B off_C con off_B+len_B ;offset to data_C off_D con off_C+len_C ;offset to data_D off_E con off_D+len_D ;offset to data_E off_F con off_E+len_E ;offset to data_F ; Debug phrase offset table p_len bytetable off_0,off_1,off_2,off_3,off_4,off_5,off_6,off_7,| off_8,off_9,off_A,off_B,off_C,off_D,off_E,off_F ; ;-----------------------------------------------------------------------------------------------; ; Start of program ; ;-----------------------------------------------------------------------------------------------; ; ;initialize pins ;note: setting midi-out, i2c_clock, and i2c_data to outputs can send glitches so initialize as inputs dirs=%0011111000000000 ;configure pin direction (1=output, 0=input) ;inputs: midi-in, aux, start, stop, in-4, in-3, in-2, in-1 ;outputs: load_dacs, ser_data, clock, stop led, run led, i2c clock & data low run_led ;set run led off low stop_led ;set stop led off high load_dacs ;set dac load-0 high low ser_data ;set dac data low low clock ;set dac clock low let out_j1=0 ;set out-1 low let out_j2=0 ;set out-2 low let out_j3=0 ;set out-3 low let out_j4=0 ;set out-4 low gosub load_outputs ;initialize misc variables let midi_chan=0 ;set midi channel to 0 let midi_note=0 ;set midi note to 0 let midi_vel=$40 ;set default velocity let data_hex=0 ;set data_hex to 0 let in_j1_ptr=0 ;set in-1 pointer to 0 #ifdef input_int_en let in_j2_ptr=0 ;set in-2 pointer to 0 let in_j3_ptr=0 ;set in-3 pointer to 0 let in_j4_ptr=0 ;set in-4 pointer to 0 let isr_cnt=0 ;set isr pass counter to 0 #endif let in_j1_bfr(0)=0 ;set in-1 buffer data to 0 let in_j1_bfr(1)=0 let in_j2_bfr(0)=0 ;set in-2 buffer data to 0 let in_j2_bfr(1)=0 let in_j3_bfr(0)=0 ;set in-3 buffer data to 0 let in_j3_bfr(1)=0 let in_j4_bfr(0)=0 ;set in-4 buffer data to 0 let in_j4_bfr(1)=0 #ifdef edge_int_en let edge_state=0 ;set current state to 0 let edge_flg=0 ;reset edge flag #endif #ifndef midi_int_en let rcx_ptr_strt=0 ;set receive start pointer let rcx_ptr_end=0 ;set receive end pointer let rcx_bfr_num=0 ;set receive buffer to empty ;initialize midi hardware let scr3=%00000000 ;reset Serial Control Register let smr=%00000000 ;set Serial Mode Register ; asynchronous ; 8 bits ; parity disabled ; even parity (disabled) ; 1 stop bit ; multiprocessor mode disabled ; brr clock source direct let brr=15 ;set Bit Rate Register for 31500 baud pauseus 100 ;let brr settle for 50 uS let scr3=%00110000 ;set Serial Control Register ; transmit or receive interrupts disabled ; transmit and receive enabled ; multiprocessor interrupt disabled ; transmit end interrupt disabled ; internal baud rate generator let pmr1=%00001110 ;set Port Mode Register to enable serial i/o ; P17 general I/O port ; P16 general I/O port ; P15 general I/O port ; P14 general I/O port ; txd output ; P10 general I/O port #endif ;enable aux_in rising edge interrupts #ifdef aux_int_en let aux_cnt=0 ;reset count let pmr1=pmr1|%00100000 ;set Port Mode Register to enable irq1 let iegr1=iegr1|%00000010 ;set irq1 to rising edge let irr1=irr1&%11111101 ;clear any pending interrupt oninterrupt irq1int,aux_isr enable irq1int ;enable rising edge interrupts #endif ;initialize timerW hardware for 1 mS interrupts #ifdef timer_int_en let tmrw=%10001000 ;set Timer Mode Register to enable count let tcrw=%10110000 ;set Timer Control Register ; clear on compare match A ; 16 MHz clock /8 prescalar S = 2 MHz timer clock let gra=2003 ;2 MHz / 2000 = 1 mS (adjusted to measurement) ;enable timerW interrupt let time_count=0 ;set real time counter to 0 let turn_off=0 ;set time to turn off to time_count oninterrupt timerwint_imiea, tm_isr enable timerwint_imiea ;enable timer interrupt #endif ;enable midi interrupts #ifdef midi_int_en pause 250 ;let processors initialize sethserial1 h31200,h8databits,hnoparity,h1stopbits hserout [$f0,$7d,$0a,$18,"KurzPC-2",$f7] ;clear, overwrite, program name #endif ;speak program name i2cout p6,p7,($48<<1),["kurzweil p c 2 ribbon program rev 0.1",$02,| "written by Dave Brown",$02,"ree turn to center mode enabled",$02,"ready",$0d] gosub send_all_off ;ensure no stuck notes ;program voltage characters hserout [$f0,$7d,$10,$01,$1f,$09,$00,$11,$1f,$11,$f7] ;character0 "I1" hserout [$f0,$7d,$11,$0d,$15,$17,$00,$11,$1f,$11,$f7] ;character1 "I2" hserout [$f0,$7d,$12,$0e,$15,$15,$00,$11,$1f,$11,$f7] ;character2 "I3" hserout [$f0,$7d,$13,$1f,$04,$1c,$00,$11,$1f,$11,$f7] ;character3 "I4" hserout [$f0,$7d,$14,$01,$1f,$09,$00,$0e,$11,$0e,$f7] ;character4 "O1" hserout [$f0,$7d,$15,$0d,$15,$17,$00,$0e,$11,$0e,$f7] ;character5 "O2" hserout [$f0,$7d,$16,$0e,$15,$15,$00,$0e,$11,$0e,$f7] ;character6 "O3" hserout [$f0,$7d,$17,$1f,$04,$1c,$00,$0e,$11,$0e,$f7] ;character7 "O4" ; ;-----------------------------------------------------------------------------------------------; ; Main program ; ;-----------------------------------------------------------------------------------------------; ; let trigger=0 ;reset trigger flag let first=0 ;reset first flag let out_j4=2150 ;set pots at 5.6 volts loop: gosub get_inputs let contact=0 ;reset gate let out_j1=fivevolts+(in_j1/64)-8 ;center output with offset if in_j2>(diode/2) then let in_j2=in_j2-diode ;subtract diode drop let out_j1=in_j2*5/2 ;set output from left ribbon let contact=1 ;set gate endif if in_j3>(diode/2) then let in_j3=(512+diode)-in_j3 ;reverse middle and subtract diode drop let out_j1=((in_j3*10/15)+off_lm)*15/4 ;set output from middle ribbon let contact=1 ;set gate endif if in_j4>(diode/2) then let in_j1=in_j4-diode ;subtract diode drop let out_j1=((in_j4*10/15)+off_mr)*15/4 ;set output from right ribbon let contact=1 ;set gate endif let out_j2=fivevolts*contact ;set gate if contact made if trigger=0 and contact=1 then let out_j3=fivevolts*contact ;set trigger if first contact if first=0 then i2cout p6,p7,($48<<1),["ouch",$02,"that hurt",$0d] ;send out i2c let first=1 ;don't speak again endif else let out_j3=0 endif gosub load_outputs let trigger=contact ;set trigger to contact let stop_led_out=contact pause 15 let out_j3=0 ;reset trigger gosub load_outputs let out_j1=((out_j1/4)*25)/24 ;convert to 4 digit voltage let ones=out_j1/100 ;convert to integer digits let tens=(out_j1-(ones*100))/10 if ones=10 then let ones=$11 ;convert 10 to A endif hserout [$f0,$7d,$0b,"Vout=",ones+$30,".",dec tens,$f7] ;home2 & display out_j1 voltage goto loop ; ;-----------------------------------------------------------------------------------------------; ; Subroutines ; ;-----------------------------------------------------------------------------------------------; ; ;output midi note-on command send_note_on: let midi_data=note_on+midi_chan gosub send_midi let midi_data=midi_note gosub send_midi let midi_data=midi_vel gosub send_midi return ; ;output midi note-off command send_note_off: let midi_data=note_off+midi_chan gosub send_midi let midi_data=midi_note gosub send_midi let midi_data=0 gosub send_midi return ; ;output midi all notes off command send_all_off: let midi_data=cont_ctr+midi_chan ;send all notes off gosub send_midi let midi_data=$7b gosub send_midi let midi_data=0 gosub send_midi return ; ;output midi program change command send_prog_change: let midi_data=pgm_chg+midi_chan gosub send_midi let midi_data=midi_pgm gosub send_midi return ; ;output midi continuous controller command ;midi_cc is controller number ;midi_data is controller data send_cc: let tempb=midi_data let midi_data=cont_ctr+midi_chan gosub send_midi let midi_data=midi_cc gosub send_midi let midi_data=tempb gosub send_midi return ; #ifndef midi_int_en ;poll midi-in ;puts data into buffer and sets rcx_bfr_num to number of entries ;written by David J. Brown check_midi: let rcx_status=ssr if rcx_status&%01000000 then ;data has been received let rcx_data=rdr ;read Receiver Data Register if rcx_data<>$fe then ;ignore active status ;put midi_data into receive buffer ;check to see if buffer full if rcx_bfr_num=rcx_bfr_len then ;buffer is full ;simply loose data else ;buffer has space let rcx_bfr(rcx_ptr_end)=rcx_data let rcx_bfr_num=rcx_bfr_num+1 let rcx_ptr_end=rcx_ptr_end+1 if rcx_ptr_end=rcx_bfr_len then rcx_ptr_end=0 ;wrap pointer at max value endif endif endif else ;no data received ;check if error if rcx_status&%00111000 then ;error condition let rcx_status=rcx_status&%10000111 let ssr=rcx_status ;reset error bits endif endif return #endif ; ;gets midi_data from buffer ;rcx_data_flg=1 if successful, rcx_data_flg=0 if no data in buffer ;written by David J. Brown get_rcx_bfr: #ifndef midi_int_en ;check to see if buffer empty if rcx_bfr_num=0 then ;buffer is empty let rcx_data_flg=0 ;set empty flag else ;buffer has data let midi_data=rcx_bfr(rcx_ptr_strt) let rcx_bfr_num=rcx_bfr_num-1 let rcx_ptr_strt=rcx_ptr_strt+1 if rcx_ptr_strt=rcx_bfr_len then let rcx_ptr_strt=0 ;wrap pointer at max value endif let rcx_data_flg=1 ;set data returned flag endif return #else hserin get_rcx_bfr1,0,[midi_data] if midi_data=$fe then get_rcx_bfr ;ignore active status let rcx_data_flg=1 ;set data returned flag return get_rcx_bfr1: let rcx_data_flg=0 ;set empty flag return #endif ; ;send midi_data ;waits until transmitter ready if polled ;puts data in buffer if interrupt enabled ;written by David J. Brown send_midi: #ifndef midi_int_en ;enable midi-out on timer interrupts let tx_status=ssr ;poll midi-out if tx_status&%10000000 then ;check transmitter ready ;ready to transmit let tdr=midi_data ;send data to tdr return endif goto send_midi #else hserout [midi_data] ;put data in transmit buffer return #endif ; ;send spkj_data via i2c send_speakjet: if spkj_data="X" then ;X terminates pass through let spkj_data=89 endif i2cout p6,p7,($48<<1),[spkj_data] ;send out i2c return ; ;convert byte num_data to three ascii digits ;updates huns, tens, ones variables ;use to generate leading zeros for fixed column display ;written by David J. Brown hex2ascii: let tempb=num_data ;save data if num_data >99 then let huns=num_data/100 ;calculate hundreds let num_data=num_data-(huns*100) ;prepare for tens let huns=huns+$30 ;convert to ascii else let huns=$30 ;leading 0 in ascii endif if num_data >9 then let tens=num_data/10 ;calculate tens let num_data=num_data-(tens*10) ;prepare for ones let tens=tens+$30 ;convert to ascii else let tens=$30 ;leading 0 in ascii endif let ones=num_data+$30 ;convert to ascii let num_data=tempb ;restore data return ; ;update display with four input voltages in_jx ;written by David J. Brown display_in: let tempb=ones let tempb2=tens ;*100)/1023 is divide by 10.23 and *10)/1023 is divide by 102.3 let ones=(in_j1*10)/1023 ;convert to integer digits let tens=((in_j1-((ones*1023)/10))*100)/1023 hserout [$f0,$7d,$0d,$00,dec ones,".",dec tens] ;home1 and display in_j1 voltage let ones=(in_j2*10)/1023 ;convert to integer digits let tens=((in_j2-((ones*1023)/10))*100)/1023 hserout [$01,dec ones,".",dec tens] ;display in_j2 voltage let ones=(in_j3*10)/1023 ;convert to integer digits let tens=((in_j3-((ones*1023)/10))*100)/1023 hserout [$02,dec ones,".",dec tens] ;display in_j3 voltage let ones=(in_j4*10)/1023 ;convert to integer digits let tens=((in_j4-((ones*1023)/10))*100)/1023 hserout [$03,dec ones,".",dec tens,$f7] ;display in_j4 voltage and end sysex let tens=tempb2 let ones=tempb return ; ;update display with four output voltages out_jx ;note: 10 displays as "A" (e.g. A.6 volts) ;written by David J. Brown display_out: let tempb=ones let tempb2=tens ;/4)*25)/24 is divide by 3.84 to convert 4095 to 1066 (10.66 volts) let tempw=out_j1 let out_j1=((out_j1/4)*25)/24 ;convert to 4 digit voltage let ones=out_j1/100 ;convert to integer digits let tens=(out_j1-(ones*100))/10 if ones=10 then let ones=$11 ;convert 10 to A endif let out_j1=tempw hserout [$f0,$7d,$0d,$04,ones+$30,".",dec tens] ;home1 and display out_j1 voltage let tempw=out_j2 let out_j2=((out_j2/4)*25)/24 ;convert to 4 digit voltage let ones=out_j2/100 ;convert to integer digits let tens=(out_j2-(ones*100))/10 if ones=10 then let ones=$11 ;convert 10 to A endif let out_j2=tempw hserout [$05,ones+$30,".",dec tens] ;display out_j2 voltage let tempw=out_j3 let out_j3=((out_j3/4)*25)/24 ;convert to 4 digit voltage let ones=out_j3/100 ;convert to integer digits let tens=(out_j3-(ones*100))/10 if ones=10 then let ones=$11 ;convert 10 to A endif let out_j3=tempw hserout [$06,ones+$30,".",dec tens] ;display out_j3 let tempw=out_j4 let out_j4=((out_j4/4)*25)/24 ;convert to 4 digit voltage let ones=out_j4/100 ;convert to integer digits let tens=(out_j4-(ones*100))/10 if ones=10 then let ones=$11 ;convert 10 to A endif let out_j4=tempw hserout [$07,ones+$30,".",dec tens,$f7] ;display out_j4 voltage and end sysex let tens=tempb2 let ones=tempb return ; #ifndef input_int_en ;sample in-1 to in-4 ;in_jx is input value (0 - 1023) ;150 uS execution time get_inputs: adin pin_j1,in_j1 adin pin_j2,in_j2 adin pin_j3,in_j3 adin pin_j4,in_j4 return ; ;sample and average in-1 to in-4 ;in_jx is input value averaged over last four samples (0 - 1023) ;in_jx_bfr(0) & in_jx_bfr(1) are last four word samples ;600 uS execution time ;written by David J. Brown get_inputs_avg: adin pin_j1,in_j1_bfr.word1(in_j1_ptr) ;get in-1 into buffer let in_j1_tmp=in_j1_bfr(0)+in_j1_bfr(1) ;add two high words together and low words together let in_j1=(in_j1_tmp.word1+in_j1_tmp.word0)/4 adin pin_j2,in_j2_bfr.word1(in_j1_ptr) ;get in-2 into buffer let in_j2_tmp=in_j2_bfr(0)+in_j2_bfr(1) ;add two high words together and low words together let in_j2=(in_j2_tmp.word1+in_j2_tmp.word0)/4 adin pin_j3,in_j3_bfr.word1(in_j1_ptr) ;get in-3 into buffer let in_j3_tmp=in_j3_bfr(0)+in_j3_bfr(1) ;add two high words together and low words together let in_j3=(in_j3_tmp.word1+in_j3_tmp.word0)/4 adin pin_j4,in_j4_bfr.word1(in_j1_ptr) ;get in-4 into buffer let in_j4_tmp=in_j4_bfr(0)+in_j4_bfr(1) ;add two high words together and low words together let in_j4=(in_j4_tmp.word1+in_j4_tmp.word0)/4 let in_j1_ptr=(in_j1_ptr+1)&$03 ;increment pointer and wrap at 3 return #endif ; ;send data_hex to console ;written by David J. Brown hex_console: #ifdef midi_int_en ;interrupts must be off for correct timing disable ;how to disable hserial? #endif #ifdef aux_int_en disable irq1int #endif #ifdef timer_int_en disable timerwint_imiea #endif serout s_out,i38400,[hex data_hex,13] #ifdef timer_int_en enable timerwint_imiea #endif #ifdef aux_int_en enable irq1int #endif #ifdef midi_int_en enable #endif return ; ;send data_hex to speakjet ;written by David J. Brown hex_speakjet let tempb=data_hex ;save data let data_hex=data_hex>>4 ;get high nibble let p_index=p_len(data_hex) ;get offset to phrase let spkj_data=data_0(p_index) ;get first byte while spkj_data<>255 ;output until 255 gosub send_speakjet let p_index=p_index+1 ;increment pointer let spkj_data=data_0(p_index) ;get next byte wend let data_hex=tempb let data_hex=data_hex&$0f ;get bottom nibble let p_index=p_len(data_hex) ;get offset to phrase let spkj_data=data_0(p_index) ;get first byte while spkj_data<>255 ;output until 255 gosub send_speakjet let p_index=p_index+1 ;increment pointer let spkj_data=data_0(p_index) ;get next byte wend let data_hex=tempb ;restore data return ; ;output out_jx values to dacs ;750 uS execution time load_outputs: ;add dac address to out_jx values and shift 16 bits using mode 4 shiftout ser_data,clock,fastmsbpre,[(out_j1|$c000)\16] pulsout load_dacs,1 ;clock loaddacs shiftout ser_data,clock,fastmsbpre,[(out_j2|$8000)\16] pulsout load_dacs,1 ;clock loaddacs shiftout ser_data,clock,fastmsbpre,[(out_j3|$4000)\16] pulsout load_dacs,1 ;clock loaddacs shiftout ser_data,clock,fastmsbpre,[out_j4\16] pulsout load_dacs,1 ;clock loaddacs return ; ;-----------------------------------------------------------------------------------------------; ; Interrupt service routines ; ;-----------------------------------------------------------------------------------------------; ; #ifdef aux_int_en ;interrupt service routine for aux input rising edge aux_isr: let aux_cnt=aux_cnt+1 ;count number of aux interrupts resume ;ignore overflow #endif ; #ifdef timer_int_en ;interrupt service routine for timer ;increments time_count value ;turn off stop led at turn_off value ;toggle run led at 512 mS intervals ;written by David J. Brown tm_isr: let time_count=time_count+1 ;increment real time count if time_count=turn_off then ;value to turn off stop led low stop_led endif let run_led_out=time_count.bit9 ;toggle run led at 512 mS intervals #endif #ifdef edge_int_en ;check for trigger rising edge ;pulse width must be > 1ms timer interval let edge_state=edge_state<<1 ;shift previous state left let edge_state.bit0=edge_in ;set low bit to current input state if edge_state=$01 then ;edge detect requires 7 previous lows and current high let edge_flg=1 ;set edge flag endif #endif #ifndef input_int_en resume ;resume if input polled mode #else ;sample in-1 - in-4 at specific intervals ;injx is input averaged over last 4 samples (0 - 1023) ;injx_bfr(0) & injx_bfr(1) are last 4 word samples ;written by David J. Brown let isr_cnt=isr_cnt+1 ;change the following table to modify the scan rate for each input ;175 uS execution time so maximum of one sample and average per interrupt ;currently set for: in-1 @ 2 mS, in-2 @ 4 mS, in-3 @ 8 mS, in-4 @ 8 mS branch isr_cnt, [avg1,avg2,avg1,avg3,avg1,avg2,avg1,avg4,avg1,avg2,avg1,avg3,avg1,avg2,avg1,avg4] ;sample in-1 avg1: adin pin_j1,in_j1_bfr.word1(in_j1_ptr) ;get in-1 into buffer let in_j1_tmp=in_j1_bfr(0)+in_j1_bfr(1) ;add two high words together and low words together let in_j1=(in_j1_tmp.word1+in_j1_tmp.word0)/4 let in_j1_ptr=(in_j1_ptr+1)&$03 ;increment pointer and wrap at 3 resume ;sample in-2 avg2: adin pin_j2,in_j2_bfr.word1(in_j2_ptr) ;get in-2 into buffer let in_j2_tmp=in_j2_bfr(0)+in_j2_bfr(1) ;add two high words together and low words together let in_j2=(in_j2_tmp.word1+in_j2_tmp.word0)/4 let in_j2_ptr=(in_j2_ptr+1)&$03 ;increment pointer and wrap at 3 resume ;sample in-3 avg3: adin pin_j3,in_j3_bfr.word1(in_j3_ptr) ;get in-3 into buffer let in_j3_tmp=in_j3_bfr(0)+in_j3_bfr(1) ;add two high words together and low words together let in_j3=(in_j3_tmp.word1+in_j3_tmp.word0)/4 let in_j3_ptr=(in_j3_ptr+1)&$03 ;increment pointer and wrap at 3 resume ;sample in-4 avg4: adin pin_j4,in_j4_bfr.word1(in_j4_ptr) ;get in-4 into buffer let in_j4_tmp=in_j4_bfr(0)+in_j4_bfr(1) ;add two high words together and low words together let in_j4=(in_j4_tmp.word1+in_j4_tmp.word0)/4 let in_j4_ptr=(in_j4_ptr+1)&$03 ;increment pointer and wrap at 3 resume #endif ; ;-----------------------------------------------------------------------------------------------; ; End of program ; ;-----------------------------------------------------------------------------------------------;