Install the Acromag APC482 timer card

From SubfireWiki

Installing the driver and support software

1. Download the driver from http://acromag.com/subb_updates_drivers.cfm
   • Get the drivers for the PCI I/O boards
   • You have to sign in with a username and password
   • Get "9500257c.exe Red Hat 9.0 Linux, Kernel 2.4.20-8 (Size: 2188 KB)"
2. Rename 9500257.exe to acromag.zip
3. Open a terminal and run these commands
   1. mv acromag.zip downloaded_drivers
   2. cd drivers
   3. mkdir acromag
   4. cd acromag
   5. unzip ../../downloaded_drivers/acromag.zip
   6. mv "Individual Files" driver_files
   7. cd driver_files
   8. cd pmc482/dev482
   9. gedit makefile
      • replace "/usr/src/linux-2.4.20-8/include/" with /usr/src/linux-2.4/include/"
   10. make
   11. su -c 'mknod /dev/apmc482 c 46 0'
   12. su -c 'chgrp hwtester /dev/apmc482'
   13. su -c 'chmod g+w /dev/apmc482'

Loading the driver

• Manually
  • Open a terminal and run this command
    • cd drivers/acromag/driver_files/pmc482/dev482/
    • su -c 'insmod apmc482.o'
• Automatically
  • Add "insmod "/home/hwtester/drivers/acromag/driver_files/pmc482/dev482/apmc482.o"" to /etc/rc.local

Testing the card

• Open a Terminal and run these commands:
  1. cd "drivers/acromag/driver_files/pmc482/"
  2. make
  3. ./a.out
     • In this tester program, use option 3 to test the counter/timer
     • Enter these numeric commands to generate a square wave that can be seen by reading out of the top port of timer 1.
       1. 3 Set up the counter
       2. 3 Counter Mode
       3. 2 Pulse Width Modulation
       4. 10 Counter Size
       5. 1 32-bit counter
       6. 1 Return to Previous Menu
       7. 4 Configure Control Register
       8. 10 Examine/Change Counter Constat
       9. 2 Change Counter ConstantA
       10. FFF
       11. 3 Change Counter ConstantB
       12. FFF
       13. 1 Return to Previus Menu
       14. 11 Write Counter Constant Register
       15. 7 Sofware Trigger Control
       16. 2 Trigger Single Counter/Timer
       17. 1
     • At this point, your scope should have a square wave visible with M=1.00ms, A=3.80V