Users Manual
Contents
1. and a inch wrench Once removed there will be four 4 open holes each one quarter 1 4 inch in diameter that the user can utilize to mount the NSSPCM to the existing payload Recommendations are one half 1 2 inch diameter stainless steel bolts The length will be determined by the user Figure 1 NSSPCM Assembly 3 Software The software section is split into two main areas how to connect a debugger to interact with the PCB firmware and how to use the Diagnostic Utility to interact with the RS 485 serial communication bus 3 1 PCB Firmware This manual assumes that TI Code Composer Studio 5 1 0 is used and the TI MSP430 Launchpad USB driver is installed 1 Remove the jumpers from the MSP430 Launchpad 2 Connect the programming cable to the Launchpad a The yellow wire connects to the TEST pin and the orange wire connects to the RST pin on the top side of the board marked EMULATION b Connect the other connector so that the black wire is connected to the middle GND pin on the lower side of the board Figure 2 MSP430 Launchpad 3 Remove the reset jumper from the NSSPCM PCB Figure 3 Reset Jumper 4 Connect the programming cable to the NSSPCM PCBA a b C d The first pin is has no wire connected The second pin is connected to the orange wire RST The third pin is connected to the yellow wire TEST The fourth pin is connected to the black wire GND Figure 4 Firmware Programmi2. A JRE System Library JavaSE 1 6 gt 5 Referenced Libraries gt Ey doc Gy ExtLibs E Version Document 1 5 Figure 10 Eclipse Project 5 Expand the src and View folders and open nsspcmGUI java Click on the green Run button Java Eclipse SDK File Edit Source Refactor Navigate Search ci ua CM t DAER 4 i NSSPCM GUI hudaknet com 4 E src gt Controller gt H Model a i View gt Fj Alertjava 1 2 gt GUL java 111 GuiWindowListener java 1 b MonitorGui java 1 13 gt nsspcmGULjava 1 4 gt JRE System Library JavaSE 1 6 gt BA Referenced Libraries gt Ey doc gt Gy ExtLibs E3 Version Document 1 5 Figure 11 Eclipse Run Button 6 Select the COM port connected to the NSSPCM serial interface Choose COM Port Figure 12 COM Port Selection 7 When the Diagnostic Utility opens click the Ping button of the Update Status button to verify that the communication link is active S NSSPCM GUI Monitor on xX NSSPCM Monitor Enable Logging Save Log To Auto Update Interval or bl Set Auto Update Exit Solar Panel Monitor External Temp Monitor Current 57 8 mA Temperature 22 25 E Update Solar Panel Update Ext Temp Battery Monitor Internal Temp Monitor Voltage 12 63 v Temperature 24 19 Cc Charging Current 0 0 mA Discharging Current 71 21 mA Update Int Temp Update B
3. Excel 10 10 To enable the ability to automatically get the status of the NSSPCM use the dropdown box to select an interval and then click the Set Auto Update button To disable the auto updater choose Off from the dropdown box and click set Auto Update Auto Update Interval O Set Auto Update OT Temperature lar Panel Figure 16 Auto Update selector 11
4. af Seno P12408 NSSPCM s Manual J User V 001 Contents l System OvVervie W esner anrr E EE REEE E 4 2 Mounino DEL ere N 4 I PONE E E E E E E E E 5 3 1 Per WTA ATO e E E E E E E E E A 5 3 2 By eV OS VN enn 7 3 2 1 STAINING the avax COMIN IIDIANY sscksecscaisivcoadudsetarsbacedoanedeiweandsssiausincedonsenessncesesesesouaassecaneanns 7 3 2 2 RUNING the Diagnostic UU eresien a a 8 Po Document Modifications i ss i i lt i is Po Document Modifications i ss i i lt i is ee Date Modifications 2012 05 17 Document Creation 1 System Overview This manual covers the NSSPCM printed circuit board PCB assembly firmware diagnostic utility and mounting information Documentation for microcontrollers or the development board can be found on Texas Instruments website NSSPCM design and build documentation should be consulted for specific information for integrating a payload system with the NSSPCM 2 Mounting Details The NSSPCM is capable of either being suspended below the High Altitude Balloon or mounted directly to the existing payload The standard configuration provides hardware for suspension In order to mount the NSSPCM directly to an existing payload the user must supply hardware The existing payload must have a mounting configuration consistent with that of the suspension configuration of the NSSPCM The suspension hardware can be removed with a screwdriver
5. attery Output Monitor MCU Temp Monitor Voltage 12 0 Vv Temperature 25 83 E Current 0 0 mA Update MCU Temp Update Output MCU VCC Monitor Status Monitor Voltage 33 v Operation Mode M1 Normal Fault Mode No faults present ADC Units Ping Reset Output Update status Figure 13 Diagnostic Utility To enable the ability to log displayed values to a comma separated file click the Enable Logging button or the Save Log To button Once a log file has been specified logging can be enabled or disabled by clicking the Enable Logging or Disable Logging button r j Open wore Sewn IE c Computer c eclipse J Network J LoL c Libraries C MEMS c Homegroup J Power Electronics c3 William CA SCREENSHOTS C Clutter 4_30_12 C Senior Design J Craigslist File Name Log file Files of Type Comma Separated Values v Open Cancel Figure 14 Save Log File dialog box The logging feature produces a comma separated value CSV file which can be easily imported into Excel for chart creation A B C D E 1 Time Stamp Solar Panel Current Battery Voltage Battery Charging Current Battery Discharging Current O 2 5 17 2012 18 16 57 8 12 63 0 71 21 3 5 17 2012 18 17 0 12 55 0 0 4 5 17 2012 18 17 0 12 66 0 109 62 5 5 17 2012 18 17 34 35 12 57 0 77 61 6 5 17 2012 18 18 34 35 12 6 0 103 22 Figure 15 Log File opened in
6. ng Cable 5 Open Code Composer Studio 5 and open the NSSPCM Firmware Project a i gt NSSPCM Firmware Active Debug b gt e Binaries b gt Hi Includes gt G Debug b Ep include b gt F Ink_msp430f2234 cmd 1 1 gt lA main c 1 8 i MSP430F2234 ccxml 1 1 Active EA Version Document tt 1 5 Figure 5 Code Composer Studio Project 6 Open main c and click the Debug Button 7 7 Code Composer Studio will compile the program and load it into the NSSPCM microcontroller memory E Loading Program C Users William workspace_v5_1 NSSPCM Firmware i Loading Program C Users William wo Firmware Debug NSSPCM Firmware out text 0 of 3426 at 0xe000 TI MSP430 USB1 MSP430 Always run in background Run in Background Cancel Details gt gt Figure 6 Loading Firmware Dialog 8 The debug window will open and the program counter will be initialized to the beginning of the main function Press the Play button to begin program operation 9 Once the program is running in the debugger it is safe to disconnect the MSP430 Launchpad from the NSSPCM PCB and replace the reset jumper for normal operation 3 2 Diagnostic Utility This manual continues under the assumption that Eclipse Helios is installed and the selected Java Runtime Environment is 32 bit JRE 6 3 2 1 Installing the javax comm library 1 Download the javax comm library and driver by do
7. wnloading the javax comm zip file from the NSSPCM EDGE webpage 2 Copy the comm jar javax comm properties and win32com dll to the following locations or equivalent a C Program Files Java jre6 bin b C Program Files Java jre6 lib c C Program Files Java jre6 lib ext Note that this location may need to be Program Files x86 3 Copy the win32comm dll to C Windows system32 3 2 2 Running the Diagnostic Utility Figure 7 Diagnostic Utility Hardware 1 Assemble the RS 485 interface when using the MSP430 Launchpad as a UART a Connect Pin 1 RO of the MAX3483 RS 485 Driver IC to P1 1 TXD on the Launchpad b Connect Pin 4 DI of the MAX3483 RS 485 Driver IC to P1 4 on the Launchpad c Connect Pins 2 RE and 3 DE MAX3483 RS 485 Driver IC to P1 6 on the Launchpad d Connect VCC and GND to the MAX3483 RS 485 Driver IC DIP SO Figure 8 MAX3483 RS 485 Driver IC Pinout 2 Connect the B pin on the MAX3483 RS 485 Driver IC to the black wire B of the NSSPCM s communication cable Connect the A pin on the MAX3483 RS 485 Driver IC to the red wire of the NSSPCM s communication cable 3 Place a 120 Ohm resistor across the MAX3483 RS 485 Driver IC A and B pins Figure 9 RS 485 Serial Assembly 4 Open Eclipse and open the NSSPCM GUI project Java Eclipse SDK File Edit Source Refactor Navigate Search rs s v F Q v ay 4 iy NSSPCM GUI hudaknet com gt ER src gt B
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