diff options
| author | Keith Packard <keithp@keithp.com> | 2013-06-15 01:20:49 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-06-15 01:21:45 -0700 |
| commit | be9ee9ed2d041c4ab4e77ee2010fe3c7a1ca6597 (patch) | |
| tree | 2ec07a0e0e03157589b51e6d5d67a2e01972af83 /src/lpc/ao_arch_funcs.h | |
| parent | 7361371190bf3805b6d0414e61f697aca7c7cff1 (diff) | |
altos/lpc: Filter ADC inputs
They're amazingly noisy on EasyMini, so just filter them as the only
thing we use them for is battery and pyro numbers.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/lpc/ao_arch_funcs.h')
| -rw-r--r-- | src/lpc/ao_arch_funcs.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h index 179b2f4d..1bbb14f5 100644 --- a/src/lpc/ao_arch_funcs.h +++ b/src/lpc/ao_arch_funcs.h @@ -61,12 +61,10 @@ #define analog_func(id) lpc_token_evaluator_2(LPC_IOCONF_FUNC_AD,id) #define ao_enable_analog(port,bit,id) do { \ - uint32_t _mode; \ ao_enable_port(port); \ lpc_gpio.dir[port] &= ~(1 << bit); \ - _mode = ((analog_func(id) << LPC_IOCONF_FUNC) | \ - (0 << LPC_IOCONF_ADMODE)); \ - lpc_ioconf.analog_reg(port,bit) = _mode; \ + lpc_ioconf.analog_reg(port,bit) = ((analog_func(id) << LPC_IOCONF_FUNC) | \ + (0 << LPC_IOCONF_ADMODE)); \ } while (0) #define ARM_PUSH32(stack, val) (*(--(stack)) = (val)) |