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Temple University Advisors: Dr. John Helferty Charles Wright Jinyan Chen Billy Cheng Brittany Gray May 21, 2010 1
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Changes Since Last Week Successfully Tested Prototype Electrical System PCB Order Placed 2
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Pictures Schematic Of Power Supply System 3
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Pictures Schematic Of Data Logging And Microcontroller 4
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Pictures Schematic Of ADC And X And Y Accelerometers 5
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Pictures 6
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Prototype 7
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Pictures PCB Layout 8
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Test Description - Electrical Used BS2 Onboard EEPROM As Flash Memory Address Counter Implemented Series Of Steps To Erase, Log, And Read Data 9
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Test Results Data Output Of Accelerometers 10
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To Be Completed Testing Of Mechanical System Outputting Data Into Excel File Component Mounting On PCB Upon Arrival Walkthrough Of Payload Check-Out Procedure First Order Of Business – Documentation Check! 11
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Thank you Questions? 12
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Appendix: Code ' {$STAMP BS2} ' {$PBASIC 2.5} '---------Variables-------------------------- addhi VAR Byte 'high byte of address location addlomi VAR Word 'low 16 bits of address location cmd VAR Byte ' command, to be sent by the Stamp adrs VAR Byte ' which byte on page dat VAR Byte 'data in statOne VAR Byte stat VAR Byte 'status register result VAR Byte ' ADC8031 Result resultOne VAR Byte volts VAR Word ' Volts (0.01 Increments) ix VAR Byte ' general purpose index x VAR Byte ' general purpose byte '-------------------------------------------- '------Connection Lines---------------------- Adc0831 PIN 0 ' ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ' ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ' ADC0831 Data AdcDataOne PIN 12 cs CON 8 ' chip SELECT line clk CON 5 ' clock line so CON 7 ' data output line '---------Variables-------------------------- addhi VAR Byte 'high byte of address location addlomi VAR Word 'low 16 bits of address location cmd VAR Byte ' command, to be sent by the Stamp adrs VAR Byte ' which byte on page dat VAR Byte 'data in statOne VAR Byte stat VAR Byte 'status register result VAR Byte ' ADC8031 Result resultOne VAR Byte volts VAR Word ' Volts (0.01 Increments) ix VAR Byte ' general purpose index x VAR Byte ' general purpose byte '-------------------------------------------- '------Connection Lines---------------------- Adc0831 PIN 0 ' ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ' ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ' ADC0831 Data AdcDataOne PIN 12 cs CON 8 ' chip SELECT line clk CON 5 ' clock line so CON 7 ' data output line si CON 6 ' data input line ' '------------------------------------------------- '---------------Variable Initializing------------- addhi = $00 addlomi = $0000 '------------------------------------------------ '---------Variables-------------------------- addhi VAR Byte 'high byte of address location addlomi VAR Word 'low 16 bits of address location cmd VAR Byte ' command, to be sent by the Stamp adrs VAR Byte ' which byte on page dat VAR Byte 'data in statOne VAR Byte stat VAR Byte 'status register result VAR Byte ' ADC8031 Result resultOne VAR Byte volts VAR Word ' Volts (0.01 Increments) ix VAR Byte ' general purpose index x VAR Byte ' general purpose byte '-------------------------------------------- '------Connection Lines---------------------- Adc0831 PIN 0 ' ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ' ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ' ADC0831 Data AdcDataOne PIN 12 cs CON 8 ' chip SELECT line clk CON 5 ' clock line so CON 7 ' data output line si CON 6 ' data input line ' '------------------------------------------------- '---------------Variable Initializing------------- addhi = $00 addlomi = $0000 '------------------------------------------------ '---------------------Main Program--------------- GOSUB counter END counter: '----------------------------- 'DEBUG CR, DEC addhi 'GOSUB erase 'GOSUB echip GOSUB unprotect GOSUB erase DEBUG "write sensor1 read sensor1 write sensor2 read sensor2", CR DO WHILE (addhi < $20) addlomi = addlomi +$8 IF (addlomi = $0000)THEN addhi = addhi + $1 ENDIF DEBUG HEX addhi," ", HEX addlomi, CR GOSUB prgm GOSUB rd addlomi=addlomi+$8 IF(addlomi=$0000)THEN addhi=addhi+$1 GOSUB erase ENDIF GOSUB prgmOne GOSUB rd DEBUG CR LOOP RETURN enable: '----------------------- 'write enable cmd = $06 'opcode for write enable LOW cs 'CS low SHIFTOUT so, clk, MSBFIRST, [cmd\8] 'sets WEL bit to 1 in status register HIGH cs 'CS high RETURN disable: '---------------- 'disable write cmd = $04 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8] HIGH cs RETURN unprotect: '--------------------------------------- 'performing a global unprotect of flash GOSUB enable cmd = $01 'opcode for global unprotect dat = $00 'sets the status at unprotect LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, dat\8] HIGH cs RETURN rd: '---------------- 'read from memory cmd = $0B LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, 0\8] SHIFTIN si, clk, MSBPRE, [stat\8] HIGH cs DEBUG " ", DEC stat, " " RETURN prgm: '------------------------------------------ '___________________________________________ GOSUB accel GOSUB log GOSUB disable RETURN prgmOne: '------------------------------------------ '___________________________________________ GOSUB accelOne GOSUB logOne GOSUB disable RETURN log: '---------------------------------------------- 'writing commands to the flash GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, result\8] HIGH cs DEBUG " ", DEC result, " " RETURN logOne: GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, resultOne\8] HIGH cs DEBUG DEC resultOne, " " RETURN accel: '------------------------------------------ 'logging accelerometer data into memory HIGH Adc0831 result = 0 LOW Adc0831 SHIFTIN AdcData, AdcClock, MSBPOST, [result\9] HIGH Adc0831 RETURN accelOne: '------------------------------------------ 'logging accelerometer data into memory HIGH Adc0832 resultOne = 0 LOW Adc0832 SHIFTIN AdcDataOne, AdcClockOne, MSBPOST, [resultOne\9] HIGH Adc0832 RETURN '---------------------Main Program--------------- GOSUB counter END counter: '----------------------------- 'DEBUG CR, DEC addhi 'GOSUB erase 'GOSUB echip GOSUB unprotect GOSUB erase DEBUG "write sensor1 read sensor1 write sensor2 read sensor2", CR DO WHILE (addhi < $20) addlomi = addlomi +$8 IF (addlomi = $0000)THEN addhi = addhi + $1 ENDIF DEBUG HEX addhi," ", HEX addlomi, CR GOSUB prgm GOSUB rd addlomi=addlomi+$8 IF(addlomi=$0000)THEN addhi=addhi+$1 GOSUB erase ENDIF GOSUB prgmOne GOSUB rd DEBUG CR LOOP RETURN
![Appendix: Code {$STAMP BS2} {$PBASIC 2.5} Variables addhi VAR Byte high byte of address location addlomi VAR Word low 16 bits of address location cmd VAR Byte command, to be sent by the Stamp adrs VAR Byte which byte on page dat VAR Byte data in statOne VAR Byte stat VAR Byte status register result VAR Byte ADC8031 Result resultOne VAR Byte volts VAR Word Volts (0.01 Increments) ix VAR Byte general purpose index x VAR Byte general purpose byte Connection Lines Adc0831 PIN 0 ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ADC0831 Data AdcDataOne PIN 12 cs CON 8 chip SELECT line clk CON 5 clock line so CON 7 data output line Variables addhi VAR Byte high byte of address location addlomi VAR Word low 16 bits of address location cmd VAR Byte command, to be sent by the Stamp adrs VAR Byte which byte on page dat VAR Byte data in statOne VAR Byte stat VAR Byte status register result VAR Byte ADC8031 Result resultOne VAR Byte volts VAR Word Volts (0.01 Increments) ix VAR Byte general purpose index x VAR Byte general purpose byte Connection Lines Adc0831 PIN 0 ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ADC0831 Data AdcDataOne PIN 12 cs CON 8 chip SELECT line clk CON 5 clock line so CON 7 data output line si CON 6 data input line Variable Initializing addhi = $00 addlomi = $ Variables addhi VAR Byte high byte of address location addlomi VAR Word low 16 bits of address location cmd VAR Byte command, to be sent by the Stamp adrs VAR Byte which byte on page dat VAR Byte data in statOne VAR Byte stat VAR Byte status register result VAR Byte ADC8031 Result resultOne VAR Byte volts VAR Word Volts (0.01 Increments) ix VAR Byte general purpose index x VAR Byte general purpose byte Connection Lines Adc0831 PIN 0 ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ADC0831 Data AdcDataOne PIN 12 cs CON 8 chip SELECT line clk CON 5 clock line so CON 7 data output line si CON 6 data input line Variable Initializing addhi = $00 addlomi = $ Main Program GOSUB counter END counter: DEBUG CR, DEC addhi GOSUB erase GOSUB echip GOSUB unprotect GOSUB erase DEBUG write sensor1 read sensor1 write sensor2 read sensor2 , CR DO WHILE (addhi < $20) addlomi = addlomi +$8 IF (addlomi = $0000)THEN addhi = addhi + $1 ENDIF DEBUG HEX addhi, , HEX addlomi, CR GOSUB prgm GOSUB rd addlomi=addlomi+$8 IF(addlomi=$0000)THEN addhi=addhi+$1 GOSUB erase ENDIF GOSUB prgmOne GOSUB rd DEBUG CR LOOP RETURN enable: write enable cmd = $06 opcode for write enable LOW cs CS low SHIFTOUT so, clk, MSBFIRST, [cmd\8] sets WEL bit to 1 in status register HIGH cs CS high RETURN disable: disable write cmd = $04 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8] HIGH cs RETURN unprotect: performing a global unprotect of flash GOSUB enable cmd = $01 opcode for global unprotect dat = $00 sets the status at unprotect LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, dat\8] HIGH cs RETURN rd: read from memory cmd = $0B LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, 0\8] SHIFTIN si, clk, MSBPRE, [stat\8] HIGH cs DEBUG , DEC stat, RETURN prgm: ___________________________________________ GOSUB accel GOSUB log GOSUB disable RETURN prgmOne: ___________________________________________ GOSUB accelOne GOSUB logOne GOSUB disable RETURN log: writing commands to the flash GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, result\8] HIGH cs DEBUG , DEC result, RETURN logOne: GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, resultOne\8] HIGH cs DEBUG DEC resultOne, RETURN accel: logging accelerometer data into memory HIGH Adc0831 result = 0 LOW Adc0831 SHIFTIN AdcData, AdcClock, MSBPOST, [result\9] HIGH Adc0831 RETURN accelOne: logging accelerometer data into memory HIGH Adc0832 resultOne = 0 LOW Adc0832 SHIFTIN AdcDataOne, AdcClockOne, MSBPOST, [resultOne\9] HIGH Adc0832 RETURN Main Program GOSUB counter END counter: DEBUG CR, DEC addhi GOSUB erase GOSUB echip GOSUB unprotect GOSUB erase DEBUG write sensor1 read sensor1 write sensor2 read sensor2 , CR DO WHILE (addhi < $20) addlomi = addlomi +$8 IF (addlomi = $0000)THEN addhi = addhi + $1 ENDIF DEBUG HEX addhi, , HEX addlomi, CR GOSUB prgm GOSUB rd addlomi=addlomi+$8 IF(addlomi=$0000)THEN addhi=addhi+$1 GOSUB erase ENDIF GOSUB prgmOne GOSUB rd DEBUG CR LOOP RETURN](http://images.slideplayer.com./16/4953757/slides/slide_13.jpg "Appendix: Code {$STAMP BS2} {$PBASIC 2.5} Variables addhi VAR Byte high byte of address location addlomi VAR Word low 16 bits of address location cmd VAR Byte command, to be sent by the Stamp adrs VAR Byte which byte on page dat VAR Byte data in statOne VAR Byte stat VAR Byte status register result VAR Byte ADC8031 Result resultOne VAR Byte volts VAR Word Volts (0.01 Increments) ix VAR Byte general purpose index x VAR Byte general purpose byte Connection Lines Adc0831 PIN 0 ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ADC0831 Data AdcDataOne PIN 12 cs CON 8 chip SELECT line clk CON 5 clock line so CON 7 data output line Variables addhi VAR Byte high byte of address location addlomi VAR Word low 16 bits of address location cmd VAR Byte command, to be sent by the Stamp adrs VAR Byte which byte on page dat VAR Byte data in statOne VAR Byte stat VAR Byte status register result VAR Byte ADC8031 Result resultOne VAR Byte volts VAR Word Volts (0.01 Increments) ix VAR Byte general purpose index x VAR Byte general purpose byte Connection Lines Adc0831 PIN 0 ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ADC0831 Data AdcDataOne PIN 12 cs CON 8 chip SELECT line clk CON 5 clock line so CON 7 data output line si CON 6 data input line Variable Initializing addhi = $00 addlomi = $ Variables addhi VAR Byte high byte of address location addlomi VAR Word low 16 bits of address location cmd VAR Byte command, to be sent by the Stamp adrs VAR Byte which byte on page dat VAR Byte data in statOne VAR Byte stat VAR Byte status register result VAR Byte ADC8031 Result resultOne VAR Byte volts VAR Word Volts (0.01 Increments) ix VAR Byte general purpose index x VAR Byte general purpose byte Connection Lines Adc0831 PIN 0 ADC0831 Chip Select Adc0832 PIN 10 AdcClock PIN 2 ADC0831 Clock AdcClockOne PIN 11 AdcData PIN 1 ADC0831 Data AdcDataOne PIN 12 cs CON 8 chip SELECT line clk CON 5 clock line so CON 7 data output line si CON 6 data input line Variable Initializing addhi = $00 addlomi = $ Main Program GOSUB counter END counter: DEBUG CR, DEC addhi GOSUB erase GOSUB echip GOSUB unprotect GOSUB erase DEBUG write sensor1 read sensor1 write sensor2 read sensor2 , CR DO WHILE (addhi < $20) addlomi = addlomi +$8 IF (addlomi = $0000)THEN addhi = addhi + $1 ENDIF DEBUG HEX addhi, , HEX addlomi, CR GOSUB prgm GOSUB rd addlomi=addlomi+$8 IF(addlomi=$0000)THEN addhi=addhi+$1 GOSUB erase ENDIF GOSUB prgmOne GOSUB rd DEBUG CR LOOP RETURN enable: write enable cmd = $06 opcode for write enable LOW cs CS low SHIFTOUT so, clk, MSBFIRST, [cmd\8] sets WEL bit to 1 in status register HIGH cs CS high RETURN disable: disable write cmd = $04 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8] HIGH cs RETURN unprotect: performing a global unprotect of flash GOSUB enable cmd = $01 opcode for global unprotect dat = $00 sets the status at unprotect LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, dat\8] HIGH cs RETURN rd: read from memory cmd = $0B LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, 0\8] SHIFTIN si, clk, MSBPRE, [stat\8] HIGH cs DEBUG , DEC stat, RETURN prgm: ___________________________________________ GOSUB accel GOSUB log GOSUB disable RETURN prgmOne: ___________________________________________ GOSUB accelOne GOSUB logOne GOSUB disable RETURN log: writing commands to the flash GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, result\8] HIGH cs DEBUG , DEC result, RETURN logOne: GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, resultOne\8] HIGH cs DEBUG DEC resultOne, RETURN accel: logging accelerometer data into memory HIGH Adc0831 result = 0 LOW Adc0831 SHIFTIN AdcData, AdcClock, MSBPOST, [result\9] HIGH Adc0831 RETURN accelOne: logging accelerometer data into memory HIGH Adc0832 resultOne = 0 LOW Adc0832 SHIFTIN AdcDataOne, AdcClockOne, MSBPOST, [resultOne\9] HIGH Adc0832 RETURN Main Program GOSUB counter END counter: DEBUG CR, DEC addhi GOSUB erase GOSUB echip GOSUB unprotect GOSUB erase DEBUG write sensor1 read sensor1 write sensor2 read sensor2 , CR DO WHILE (addhi < $20) addlomi = addlomi +$8 IF (addlomi = $0000)THEN addhi = addhi + $1 ENDIF DEBUG HEX addhi, , HEX addlomi, CR GOSUB prgm GOSUB rd addlomi=addlomi+$8 IF(addlomi=$0000)THEN addhi=addhi+$1 GOSUB erase ENDIF GOSUB prgmOne GOSUB rd DEBUG CR LOOP RETURN")
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enable: '----------------------- 'write enable cmd = $06 'opcode for write enable LOW cs 'CS low SHIFTOUT so, clk, MSBFIRST, [cmd\8] 'sets WEL bit to 1 in status register HIGH cs 'CS high RETURN disable: '---------------- 'disable write cmd = $04 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8] HIGH cs RETURN unprotect: '--------------------------------------- 'performing a global unprotect of flash GOSUB enable cmd = $01 'opcode for global unprotect dat = $00 'sets the status at unprotect LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, dat\8] HIGH cs RETURN rd: '---------------- 'read from memory cmd = $0B LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, 0\8] SHIFTIN si, clk, MSBPRE, [stat\8] HIGH cs DEBUG " ", DEC stat, " " RETURN prgm: '------------------------------------------ '__________________________________________ _ GOSUB accel GOSUB log GOSUB disable RETURN prgmOne: '------------------------------------------ '__________________________________________ _ GOSUB accelOne GOSUB logOne GOSUB disable RETURN log: '---------------------------------------------- 'writing commands to the flash GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, result\8] HIGH cs DEBUG " ", DEC result, " " RETURN logOne: GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, resultOne\8] HIGH cs DEBUG DEC resultOne, " " RETURN accel: '------------------------------------------ 'logging accelerometer data into memory HIGH Adc0831 result = 0 LOW Adc0831 SHIFTIN AdcData, AdcClock, MSBPOST, [result\9] HIGH Adc0831 RETURN accelOne: '------------------------------------------ 'logging accelerometer data into memory HIGH Adc0832 resultOne = 0 LOW Adc0832 SHIFTIN AdcDataOne, AdcClockOne, MSBPOST, [resultOne\9] HIGH Adc0832 RETURN
![enable: write enable cmd = $06 opcode for write enable LOW cs CS low SHIFTOUT so, clk, MSBFIRST, [cmd\8] sets WEL bit to 1 in status register HIGH cs CS high RETURN disable: disable write cmd = $04 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8] HIGH cs RETURN unprotect: performing a global unprotect of flash GOSUB enable cmd = $01 opcode for global unprotect dat = $00 sets the status at unprotect LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, dat\8] HIGH cs RETURN rd: read from memory cmd = $0B LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, 0\8] SHIFTIN si, clk, MSBPRE, [stat\8] HIGH cs DEBUG , DEC stat, RETURN prgm: __________________________________________ _ GOSUB accel GOSUB log GOSUB disable RETURN prgmOne: __________________________________________ _ GOSUB accelOne GOSUB logOne GOSUB disable RETURN log: writing commands to the flash GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, result\8] HIGH cs DEBUG , DEC result, RETURN logOne: GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, resultOne\8] HIGH cs DEBUG DEC resultOne, RETURN accel: logging accelerometer data into memory HIGH Adc0831 result = 0 LOW Adc0831 SHIFTIN AdcData, AdcClock, MSBPOST, [result\9] HIGH Adc0831 RETURN accelOne: logging accelerometer data into memory HIGH Adc0832 resultOne = 0 LOW Adc0832 SHIFTIN AdcDataOne, AdcClockOne, MSBPOST, [resultOne\9] HIGH Adc0832 RETURN](http://images.slideplayer.com./16/4953757/slides/slide_14.jpg "enable: write enable cmd = $06 opcode for write enable LOW cs CS low SHIFTOUT so, clk, MSBFIRST, [cmd\8] sets WEL bit to 1 in status register HIGH cs CS high RETURN disable: disable write cmd = $04 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8] HIGH cs RETURN unprotect: performing a global unprotect of flash GOSUB enable cmd = $01 opcode for global unprotect dat = $00 sets the status at unprotect LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, dat\8] HIGH cs RETURN rd: read from memory cmd = $0B LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, 0\8] SHIFTIN si, clk, MSBPRE, [stat\8] HIGH cs DEBUG , DEC stat, RETURN prgm: __________________________________________ _ GOSUB accel GOSUB log GOSUB disable RETURN prgmOne: __________________________________________ _ GOSUB accelOne GOSUB logOne GOSUB disable RETURN log: writing commands to the flash GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, result\8] HIGH cs DEBUG , DEC result, RETURN logOne: GOSUB enable cmd = $02 LOW cs SHIFTOUT so, clk, MSBFIRST, [cmd\8, addhi\8, addlomi\16, resultOne\8] HIGH cs DEBUG DEC resultOne, RETURN accel: logging accelerometer data into memory HIGH Adc0831 result = 0 LOW Adc0831 SHIFTIN AdcData, AdcClock, MSBPOST, [result\9] HIGH Adc0831 RETURN accelOne: logging accelerometer data into memory HIGH Adc0832 resultOne = 0 LOW Adc0832 SHIFTIN AdcDataOne, AdcClockOne, MSBPOST, [resultOne\9] HIGH Adc0832 RETURN")
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