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Update STM32 configuration to use TIM8 instead of TIM2 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4423 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2012-02-25 00:36:28 +00:00
parent 4b07a75072
commit 3193476539
2 changed files with 7 additions and 4 deletions
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6
nuttx/configs/stm32f4discovery/README.txt
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@ -358,8 +358,10 @@ Quadrature Encode Timer Inputs
------------------------------
If enabled (by setting CONFIG_QENCODER=y), then quadrature encoder will
user TIM2 (see nsh/defconfig) and input pins PA15, and PA1 for CH1 and
CH2, respectively (see include board.h).
use either TIM2 or TIM8 (see nsh/defconfig). If TIM2 is selected, the input
pins PA15 and PA1 for CH1 and CH2, respectively). If TIM8 is selected, then
PC6 and PI5 will be used for CH1 and CH2 (see include board.h for pin
definitions).
FPU
===

5
nuttx/configs/stm32f4discovery/nsh/defconfig
View File

@ -327,11 +327,12 @@ CONFIG_STM32_TIM4_CHANNEL=2
#
# Quadrature Encoder configuration.
#
# Uses TIM2 (CONFIG_STM32_TIM2=y above)
# Uses TIM2 or TIM8. TIM2 also needs CONFIG_STM32_TIM2=y; TIM8 needs CONFIG_STM_TIM8 above.
#
#
CONFIG_QENCODER=n
CONFIG_STM32_TIM2_QE=y
CONFIG_STM32_TIM2_QE=n
CONFIG_STM32_TIM8_QE=y
#
# General build options