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| author | Nicolas Reinecke <nr@das-labor.org> | 2016-05-15 20:11:18 +0200 |
|---|---|---|
| committer | Nicolas Reinecke <nr@das-labor.org> | 2016-05-15 20:21:20 +0200 |
| commit | 4a36fb944b854eb91e74ce18a7b2cb0cedf7d0d1 (patch) | |
| tree | 216ab41dc7a48990d09b4bedec95e5a54f99ec90 /os/hal/ports/STM32 | |
| parent | ec6cada170e3640bb42a1e7a5fb3f052b4b6ea47 (diff) | |
| download | ChibiOS-Contrib-4a36fb944b854eb91e74ce18a7b2cb0cedf7d0d1.tar.gz ChibiOS-Contrib-4a36fb944b854eb91e74ce18a7b2cb0cedf7d0d1.tar.bz2 ChibiOS-Contrib-4a36fb944b854eb91e74ce18a7b2cb0cedf7d0d1.zip | |
qei driver: fix potential overflow in qeiUpdateI
when quiUpdate isn't called for while an cnt(uint16_t) is above 32767
delta(int16_t) can overflow.
Diffstat (limited to 'os/hal/ports/STM32')
| -rw-r--r-- | os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h b/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h index 05f0ea7..d0cb683 100644 --- a/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h +++ b/os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h @@ -238,7 +238,7 @@ typedef uint16_t qeicnt_t; /**
* @brief QEI delta type.
*/
-typedef int16_t qeidelta_t;
+typedef int32_t qeidelta_t;
/**
* @brief Driver configuration structure.
|