diff options
| author | Keith Packard <keithp@keithp.com> | 2019-06-18 00:11:49 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2019-06-18 00:11:49 -0700 |
| commit | 8ec178bbc3babb072b8d53975632cf6294626e98 (patch) | |
| tree | 470375cb325aff1573576407233458c6111e4723 /src/micropeak-v2.0/ao_micropeak.c | |
| parent | 77df3f636ef8bf461800f5e08c28c09bfb69c48b (diff) | |
altos/micropeak-v2.0: Wait for the power supply to stabilize before measuring
If we don't wait before measuring the battery, it will often read
under 3.2V right at boot time, which puts MicroPeak in flight mode
instead of USB mode.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/micropeak-v2.0/ao_micropeak.c')
| -rw-r--r-- | src/micropeak-v2.0/ao_micropeak.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/micropeak-v2.0/ao_micropeak.c b/src/micropeak-v2.0/ao_micropeak.c index 6343be9f..7ba5cb95 100644 --- a/src/micropeak-v2.0/ao_micropeak.c +++ b/src/micropeak-v2.0/ao_micropeak.c @@ -243,6 +243,11 @@ ao_hsi_init(void) void main(void) { + int i; + + for (i = 0; i < 100000; i++) + ao_arch_nop(); + if (ao_battery_voltage() < 320) ao_on_battery = 1; |