From c7119405a3dd7128120374a2a001bc98ef523619 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sat, 7 Apr 2012 00:25:26 -0700 Subject: [PATCH] altos: Make ao_freq_to_set reentrant Save a bunch of data space this way. Signed-off-by: Keith Packard --- src/core/ao.h | 2 +- src/core/ao_freq.c | 13 +++++++++---- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/src/core/ao.h b/src/core/ao.h index 67efa437..150c0817 100644 --- a/src/core/ao.h +++ b/src/core/ao.h @@ -1892,7 +1892,7 @@ ao_sqrt(uint32_t op); * ao_freq.c */ -int32_t ao_freq_to_set(int32_t freq, int32_t cal); +int32_t ao_freq_to_set(int32_t freq, int32_t cal) __reentrant; #include diff --git a/src/core/ao_freq.c b/src/core/ao_freq.c index 67b0b037..12496f6f 100644 --- a/src/core/ao_freq.c +++ b/src/core/ao_freq.c @@ -25,10 +25,15 @@ * frequency, and updating the radio setting along the way */ -int32_t ao_freq_to_set(int32_t freq, int32_t cal) { - __pdata int32_t set = 0; - uint8_t neg = 0; - __pdata int32_t error = -434550 / 2; +int32_t ao_freq_to_set(int32_t freq, int32_t cal) __reentrant +{ + static __pdata int32_t set; + static __pdata uint8_t neg; + static __pdata int32_t error; + + set = 0; + neg = 0; + error = -434550 / 2; if ((freq -= 434550) < 0) { neg = 1; -- 2.30.2