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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-01-11 16:01:18 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-01-11 16:01:18 +0000 |
commit | d8ccf3795d3ea5a60c8d9a5296091f538afbbe82 (patch) | |
tree | 7914f4d3491b05015565a2b7285c355b8295ae4e /nuttx/configs | |
parent | c9b7fefdae9c6d234f201f2f1311c24664f62f1a (diff) | |
download | px4-nuttx-d8ccf3795d3ea5a60c8d9a5296091f538afbbe82.tar.gz px4-nuttx-d8ccf3795d3ea5a60c8d9a5296091f538afbbe82.tar.bz2 px4-nuttx-d8ccf3795d3ea5a60c8d9a5296091f538afbbe82.zip |
For STM32 PWM output on TIM1/8, need to set master output enable (MOE)
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4296 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs')
-rwxr-xr-x | nuttx/configs/stm3240g-eval/README.txt | 70 | ||||
-rwxr-xr-x | nuttx/configs/stm3240g-eval/nsh/defconfig | 12 |
2 files changed, 55 insertions, 27 deletions
diff --git a/nuttx/configs/stm3240g-eval/README.txt b/nuttx/configs/stm3240g-eval/README.txt index f8659ca38..95777bac3 100755 --- a/nuttx/configs/stm3240g-eval/README.txt +++ b/nuttx/configs/stm3240g-eval/README.txt @@ -209,17 +209,45 @@ PWM === The STM3240G-Eval has no real on-board PWM devices, but the board can be -configured to output a pulse train using TIM4 CH2. This pin is used by -FSMC is but is also connected to the Motor Control Connector (CN5) just -for this purpose: +configured to output a pulse train using timer output pins. The following +pins have been use to generate PWM output (see board.h for some other +candidates): - PD13 FSMC_A18 / MC_TIM4_CH2OUT pin 33 (EnB) +TIM4 CH2. Pin PD13 is used by the FSMC (FSMC_A18) and is also connected +to the Motor Control Connector (CN5) just for this purpose. If FSMC is +not enabled, then FSMC_A18 will not be used (and will be tri-stated from +the LCD). -FSMC must be disabled in this case! PD13 is available at: + CONFIGURATION: + + CONFIG_STM32_TIM4=y + CONFIG_PWM=n + CONFIG_PWM_PULSECOUNT=n + CONFIG_STM32_TIM4_PWM=y + CONFIG_STM32_TIM4_CHANNEL=2 + + ACCESS: + + Daughterboard Extension Connector, CN3, pin 32 + Ground is available on CN3, pin1 - Daughterboard Extension Connector, CN3, pin 32 - available - TFT LCD Connector, CN19, pin 17 -- not available without removing the LCD. - Motor Control Connector CN15, pin 33 -- not available unless you bridge SB14. + NOTE: TIM4 hardware will not support pulse counting. + +TIM8 CH4: Pin PC9 is used by the microSD card (MicroSDCard_D1) and I2S +(I2S_CKIN) but can be completely disconnected from both by opening JP16. + + CONFIGURATION: + + CONFIG_STM32_TIM8=y + CONFIG_PWM=n + CONFIG_PWM_PULSECOUNT=y + CONFIG_STM32_TIM8_PWM=y + CONFIG_STM32_TIM8_CHANNEL=4 + + ACCESS: + + Daughterboard Extension Connector, CN3, pin 17 + Ground is available on CN3, pin1 CAN === @@ -592,27 +620,27 @@ Where <subdir> is one of the following: CONFIG_DEBUG_ANALOG 3. This example supports the PWM test (apps/examples/pwm) but this must - be manually enabled by selecting: + be manually enabled by selecting eeither - CONFIG_PWM=y : Enable the generic PWM infrastructure - CONFIG_PWM_PULSECOUNT=n : Disable to support for TIM1/8 pulse counts - CONFIG_STM32_TIM4=y : Enable TIM4 - CONFIG_STM32_TIM4_PWM=y : Use TIM4 to generate PWM output - CONFIG_STM32_TIM4_CHANNEL=2 + CONFIG_PWM=y : Enable the generic PWM infrastructure + CONFIG_PWM_PULSECOUNT=n : Disable to support for TIM1/8 pulse counts + CONFIG_STM32_TIM4=y : Enable TIM4 + CONFIG_STM32_TIM4_PWM=y : Use TIM4 to generate PWM output + CONFIG_STM32_TIM4_CHANNEL=2 : Select output on TIM4, channel 2 If CONFIG_STM32_FSMC is disabled, output will appear on CN3, pin 32. Ground is available on CN3, pin1. Or.. - CONFIG_PWM=y : Enable the generic PWM infrastructure - CONFIG_PWM_PULSECOUNT=y : Enable to support for TIM1/8 pulse counts - CONFIG_STM32_TIM1=y : Enable TIM1 - CONFIG_STM32_TIM1_PWM=y : Use TIM1 to generate PWM output - CONFIG_STM32_TIM1_CHANNEL=1 + CONFIG_PWM=y : Enable the generic PWM infrastructure + CONFIG_PWM_PULSECOUNT=y : Enable to support for TIM1/8 pulse counts + CONFIG_STM32_TIM8=y : Enable TIM8 + CONFIG_STM32_TIM8_PWM=y : Use TIM8 to generate PWM output + CONFIG_STM32_TIM8_CHANNEL=4 : Select output on TIM8, channel 4 - If CONFIG_STM32_FSMC is disabled, output will appear on CN2, pin 24 - Ground is available on CN2, pin1. + If CONFIG_STM32_FSMC is disabled, output will appear on CN3, pin 17 + Ground is available on CN23 pin1. See also include/board.h and apps/examples/README.txt diff --git a/nuttx/configs/stm3240g-eval/nsh/defconfig b/nuttx/configs/stm3240g-eval/nsh/defconfig index daee8cb72..f2eb8a3b6 100755 --- a/nuttx/configs/stm3240g-eval/nsh/defconfig +++ b/nuttx/configs/stm3240g-eval/nsh/defconfig @@ -349,13 +349,13 @@ CONFIG_STM32_ADC3_SAMPLE_FREQUENCY=100 # PWM configuration # # The STM3240G-Eval has no real on-board PWM devices, but the board can be configured to output -# a pulse train using several options (see board.h). Here the default setup is for TIM4, CH2. -# Don't forget to enable CONFIG_STM32_TIM4 +# a pulse train using several options (see board.h). Here the default setup is for TIM8, CH4. +# Don't forget to enable CONFIG_STM32_TIM8. # -CONFIG_PWM=n -CONFIG_PWM_PULSECOUNT=n -CONFIG_STM32_TIM4_PWM=y -CONFIG_STM32_TIM4_CHANNEL=2 +CONFIG_PWM=y +CONFIG_PWM_PULSECOUNT=y +CONFIG_STM32_TIM8_PWM=y +CONFIG_STM32_TIM8_CHANNEL=4 # # General build options |