check in Jun 26 update of Dan's OSPi interval_program
add back the source folder for OSPi interval_program
check in OSPi v1.2 hardware design files and update README.txt
check in OSPi v1.2 hardware design files and update README.txt
check in Dan's OSPi interval_program Jul 10 update
check in Dan's OSPi interval_program Jul 10 update
check in Dan's OSPi interval_program July 19 update
check in Dan's OSPi interval_program July 19 update