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Finish PWM pulse count configuration

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4287 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-01-09 21:34:58 +00:00
parent f28db5c1c3
commit d83819e4bb
7 changed files with 107 additions and 64 deletions
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nuttx/configs/stm3240g-eval/src/stm3240g-internal.h
+11 -13
View File
@@ -113,21 +113,19 @@
/* 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:
*
* PD13 FSMC_A18 / MC_TIM4_CH2OUT pin 33 (EnB)
*
* FSMC must be disabled in this case! PD13 is available at:
*
* 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.
* configured to output a pulse train using TIM4, TIM1, or TIM8 (see board.h).
* Let's figure out which the user has configured.
*/
#define STM3240G_EVAL_PWMTIMER 4
#define STM3240G_EVAL_PWMCHANNEL 2
#ifdef CONFIG_PWM
# if defined(CONFIG_STM32_TIM1_PWM)
# define STM3240G_EVAL_PWMTIMER 1
# elif defined(CONFIG_STM32_TIM4_PWM)
# define STM3240G_EVAL_PWMTIMER 4
# elif defined(CONFIG_STM32_TIM8_PWM)
# define STM3240G_EVAL_PWMTIMER 8
# endif
#endif
/****************************************************************************************************
* Public Types
nuttx/configs/stm3240g-eval/src/up_pwm.c
+5 -27
View File
@@ -57,34 +57,12 @@
/* Configuration *******************************************************************/
/* 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 connect to CN5 just for this
* purpose:
*
* PD13 FSMC_A18 / MC_TIM4_CH2OUT pin 33 (EnB)
*
* FSMC must be disabled in this case!
* The STM3240G-Eval has no real on-board PWM devices, but the board can be
* configured to output a pulse train using variously unused pins on the board for
* PWM output (see board.h for details of pins).
*/
#define HAVE_PWM 1
#ifndef CONFIG_PWM
# undef HAVE_PWM
#endif
#ifndef CONFIG_STM32_TIM4
# undef HAVE_PWM
#endif
#ifndef CONFIG_STM32_TIM4_PWM
# undef HAVE_PWM
#endif
#if CONFIG_STM32_TIM4_CHANNEL != STM3240G_EVAL_PWMCHANNEL
# undef HAVE_PWM
#endif
#ifdef HAVE_PWM
#ifdef CONFIG_PWM
/************************************************************************************
* Private Functions
@@ -139,4 +117,4 @@ int pwm_devinit(void)
return OK;
}
#endif /* HAVE_PWM */
#endif /* CONFIG_PWM */