diff options
| author | Michael J. Chudobiak <mjc@avtechpulse.com> | 2012-09-19 11:06:59 -0400 |
|---|---|---|
| committer | Michael J. Chudobiak <mjc@avtechpulse.com> | 2012-09-19 11:06:59 -0400 |
| commit | fd3246c8939d3db256d7aaa85343094df84abfd8 (patch) | |
| tree | 26cd0ac109178925159508d9479f4f2d02cd5c7b /bus.h | |
| parent | 8dd603c8036f4eafd440ac14234d42d6c5eaefab (diff) | |
added a power fail input pin (low = OK, high = bad)
Diffstat (limited to 'bus.h')
| -rw-r--r-- | bus.h | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -18,6 +18,7 @@ #define O_GATE 3 /* gates output */ #define OUTPUT_RELAY 4 /* output enable/disable relay */ #define PW_ENABLE 5 /* TTL enable/disable output */ +#define POWER_FAIL 6 /* pulled low if +24V OK, pulled high if power fails */ // A5, A6 used to select chips #define Octal_DACportCS_low 0x00 |