Temple University Advisors: Dr. John Helferty Charles Wright Jinyan Chen Billy Cheng Brittany Gray May 21,
Changes Since Last Week Successfully Tested Prototype Electrical System PCB Order Placed 2
Pictures Schematic Of Power Supply System 3
Pictures Schematic Of Data Logging And Microcontroller 4
Pictures Schematic Of ADC And X And Y Accelerometers 5
Pictures 6
Prototype 7
Pictures PCB Layout 8
Test Description - Electrical Used BS2 Onboard EEPROM As Flash Memory Address Counter Implemented Series Of Steps To Erase, Log, And Read Data 9
Test Results Data Output Of Accelerometers 10
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
Thank you Questions? 12
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
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