projects
/
fw
/
altos
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
altos: Add wiring docs to st-7565 header
[fw/altos]
/
src
/
kernel
/
ao_convert_volt.c
diff --git
a/src/kernel/ao_convert_volt.c
b/src/kernel/ao_convert_volt.c
index c5dfd22d0d6bcf6da48744fdee3e1a19c7b4bc38..1f04df64a98f174a14e193a1931d94041e979fba 100644
(file)
--- a/
src/kernel/ao_convert_volt.c
+++ b/
src/kernel/ao_convert_volt.c
@@
-19,8
+19,8
@@
#include "ao.h"
#define MUL(p,m) ((int32_t) AO_ADC_REFERENCE_DV * ((p) + (m)))
#include "ao.h"
#define MUL(p,m) ((int32_t) AO_ADC_REFERENCE_DV * ((p) + (m)))
-#define ADD(p,m) (MUL(p,m)/2)
#define DIV(p,m) ((int32_t) AO_ADC_MAX * (m))
#define DIV(p,m) ((int32_t) AO_ADC_MAX * (m))
+#define ADD(p,m) (DIV(p,m) / 2)
#define scale(v,p,m) (((int32_t) (v) * MUL(p,m) + ADD(p,m)) / DIV(p,m))
#if HAS_APRS || HAS_BATTERY_REPORT
#define scale(v,p,m) (((int32_t) (v) * MUL(p,m) + ADD(p,m)) / DIV(p,m))
#if HAS_APRS || HAS_BATTERY_REPORT