diff options
| author | Keith Packard <keithp@keithp.com> | 2015-05-25 13:23:54 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2015-05-25 13:23:54 -0700 |
| commit | 9b268351aee44de959dcc4c792189c10a00428fe (patch) | |
| tree | 2dbf0cc6357c024dbbb6d5acaf681b452a1d67ee /src | |
| parent | 0e76cb2a7d5db24b6cecdccb6fb8d5bf5527fadf (diff) | |
telefire: Report telefire battery voltage over telemetry link
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/ao_pad.c | 2 | ||||
| -rw-r--r-- | src/drivers/ao_pad.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/src/drivers/ao_pad.c b/src/drivers/ao_pad.c index 3ad239cc..ffe46c68 100644 --- a/src/drivers/ao_pad.c +++ b/src/drivers/ao_pad.c @@ -127,6 +127,8 @@ ao_pad_monitor(void) #define VOLTS_TO_PYRO(x) ((int16_t) ((x) * 27.0 / 127.0 / 3.3 * 32767.0)) + /* convert ADC value to voltage in tenths, then add .2 for the diode drop */ + query.battery = (packet->adc.batt + 96) / 192 + 2; cur = 0; if (pyro > VOLTS_TO_PYRO(10)) { query.arm_status = AO_PAD_ARM_STATUS_ARMED; diff --git a/src/drivers/ao_pad.h b/src/drivers/ao_pad.h index 23062899..d77d105a 100644 --- a/src/drivers/ao_pad.h +++ b/src/drivers/ao_pad.h @@ -39,6 +39,7 @@ struct ao_pad_query { uint8_t channels; /* which chanels are present */ uint8_t armed; /* which channels are armed */ uint8_t arm_status; /* status of arming switch */ + uint8_t battery; /* battery voltage in decivolts */ uint8_t igniter_status[AO_PAD_MAX_CHANNELS]; /* status for each igniter */ }; |