From c5ba205781809f0a9124a1bd04d78c411f536ebf Mon Sep 17 00:00:00 2001 From: patacongo Date: Mon, 19 Dec 2011 19:24:09 +0000 Subject: Completes coding of the PWM module git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4200 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/configs/stm3210e-eval/README.txt | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'nuttx/configs/stm3210e-eval/README.txt') diff --git a/nuttx/configs/stm3210e-eval/README.txt b/nuttx/configs/stm3210e-eval/README.txt index eb7c49b95..f8868373f 100755 --- a/nuttx/configs/stm3210e-eval/README.txt +++ b/nuttx/configs/stm3210e-eval/README.txt @@ -492,8 +492,6 @@ STM3210E-EVAL-specific Configuration Options CONFIG_STM32_TIM3_PWM CONFIG_STM32_TIM4_PWM CONFIG_STM32_TIM5_PWM - CONFIG_STM32_TIM6_PWM - CONFIG_STM32_TIM7_PWM CONFIG_STM32_TIM8_PWM CONFIG_STM32_TIM1_ADC @@ -514,7 +512,16 @@ STM3210E-EVAL-specific Configuration Options CONFIG_STM32_TIM7_DAC CONFIG_STM32_TIM8_DAC - Alternate pin mappings (should not be used with the STM3210E-EVAL board): + For each timer that is enabled for PWM usage, we need the following additional + configuration settings: + + CONFIG_STM32_TIMx_CHANNEL - Specifies the timer output channel {1,..,4} + + NOTE: The STM32 timers are each capable of generating different signals on + each of the four channels with different duty cycles. That capability is + not supported by this driver: Only one output channel per timer. + + Alternate pin mappings (should not be used with the STM3210E-EVAL board): CONFIG_STM32_TIM1_FULL_REMAP CONFIG_STM32_TIM1_PARTIAL_REMAP -- cgit v1.2.3