diff options
| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 |
| commit | cb5473205206c7f14cbb1e747f28ec75b48826e2 (patch) | |
| tree | 8f4808d60917100b18a10b05230f7638a0a9bbcc /board/trab/tsc2000.c | |
| parent | baf449fc5ff96f071bb0e3789fd3265f6d4fd9a0 (diff) | |
| parent | 92c78a3bbcb2ce508b4bf1c4a1e0940406a024bb (diff) | |
Merge branch 'fixes' into cleanups
Conflicts:
board/atmel/atngw100/atngw100.c
board/atmel/atstk1000/atstk1000.c
cpu/at32ap/at32ap700x/gpio.c
include/asm-avr32/arch-at32ap700x/clk.h
include/configs/atngw100.h
include/configs/atstk1002.h
include/configs/atstk1003.h
include/configs/atstk1004.h
include/configs/atstk1006.h
include/configs/favr-32-ezkit.h
include/configs/hammerhead.h
include/configs/mimc200.h
Diffstat (limited to 'board/trab/tsc2000.c')
| -rw-r--r-- | board/trab/tsc2000.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/board/trab/tsc2000.c b/board/trab/tsc2000.c index 382a85b35..f13a5a9dc 100644 --- a/board/trab/tsc2000.c +++ b/board/trab/tsc2000.c @@ -27,6 +27,7 @@ #include <common.h> #include <s3c2400.h> +#include <div64.h> #include "tsc2000.h" #include "Pt1000_temp_data.h" @@ -332,6 +333,7 @@ void tsc2000_reg_init (void) int tsc2000_interpolate(long value, long data[][2], long *result) { int i; + unsigned long long val; /* the data is sorted and the first element is upper * limit so we can easily check for out-of-band values @@ -347,10 +349,10 @@ int tsc2000_interpolate(long value, long data[][2], long *result) result in 'long long'. */ - *result = data[i-1][1] + - ((unsigned long long)(data[i][1] - data[i-1][1]) - * (unsigned long long)(value - data[i-1][0])) - / (data[i][0] - data[i-1][0]); + val = ((unsigned long long)(data[i][1] - data[i-1][1]) + * (unsigned long long)(value - data[i-1][0])); + do_div(val, (data[i][0] - data[i-1][0])); + *result = data[i-1][1] + val; return 0; } |