sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add a test for PWM drivers

Browse Source 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4202 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-12-19 23:06:41 +00:00
parent b4889c86d8
commit 85272b9b41
7 changed files with 285 additions and 111 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
configs/stm3240g-eval/include/board.h
View File

@ -263,6 +263,19 @@
#define GPIO_ETH_RMII_TXD0 GPIO_ETH_RMII_TXD0_2
#define GPIO_ETH_RMII_TXD1 GPIO_ETH_RMII_TXD1_2
/* 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_CH2 pin 33 (EnB)
*
* FSMC must be disabled in this case!
*/
#define GPIO_TIM4_CH2 GPIO_TIM4_CH2_1
/************************************************************************************
* Public Data
************************************************************************************/

4
configs/stm3240g-eval/nsh/appconfig
View File

@ -50,4 +50,8 @@ CONFIGURED_APPS += netutils/webclient
CONFIGURED_APPS += netutils/tftpc
endif
ifeq ($(CONFIG_PWM),y)
CONFIGURED_APPS += examples/pwm
endif

14
configs/stm3240g-eval/nsh/defconfig
View File

@ -302,6 +302,18 @@ CONFIG_STM32_PHYSR_FULLDUPLEX=0x0004
CONFIG_STM32_ETH_PTP=n
CONFIG_STM32_ETHMAC_REGDEBUG=n
#
# PWM configuration
#
# 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.
#
CONFIG_PWM=n
CONFIG_STM32_TIM4=y
CONFIG_STM32_TIM4_PWM=y
CONFIG_STM32_TIM4_CHANNEL=2
#
# General build options
#
@ -1113,7 +1125,7 @@ CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
# CONFIG_NSH_FATNSECTORS - FAT FS number of sectors
# CONFIG_NSH_FATMOUNTPT - FAT FS mountpoint
#
CONFIG_NSH_BUILTIN_APPS=n
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_STRERROR=n
CONFIG_NSH_LINELEN=64

4
configs/stm3240g-eval/src/Makefile
View File

@ -46,6 +46,10 @@ ifeq ($(CONFIG_ADC),y)
CSRCS += up_adc.c
endif
ifeq ($(CONFIG_PWM),y)
CSRCS += up_pwm.c
endif
COBJS = $(CSRCS:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS)

14
configs/stm3240g-eval/src/stm3240g-internal.h
View File

@ -84,6 +84,20 @@
#define GPIO_BTN_TAMPER (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTC|GPIO_PIN13)
#define GPIO_BTN_USER (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTG|GPIO_PIN15)
/* 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_CH2 pin 33 (EnB)
*
* FSMC must be disabled in this case!
*/
#define STM3240G_EVAL_PWMTIMER 4
#define STM3240G_EVAL_PWMCHANNEL 2
/****************************************************************************************************
* Public Types
****************************************************************************************************/

219
configs/stm3240g-eval/src/up_adc.c
View File

@ -1,111 +1,110 @@
/************************************************************************************
* configs/stm3240g-eval/src/up_adc.c
* arch/arm/src/board/up_adc.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <debug.h>
#include <nuttx/analog/adc.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "stm3240g-internal.h"
#ifdef CONFIG_ADC
/************************************************************************************
* Definitions
************************************************************************************/
/* Configuration ************************************************************/
/* Up to 3 ADC interfaces are supported */
#if STM32_NADC < 3
# undef CONFIG_STM32_ADC3
#endif
#if STM32_NADC < 2
# undef CONFIG_STM32_ADC2
#endif
#if STM32_NADC < 1
# undef CONFIG_STM32_ADC1
#endif
#if defined(CONFIG_STM32_ADC1) || defined(CONFIG_STM32_ADC2) || defined(CONFIG_STM32_ADC3)
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: stm32_boardinitialize
*
* Description:
* All STM32 architectures must provide the following entry point. This entry point
* is called early in the intitialization -- after all memory has been configured
* and mapped but before any devices have been initialized.
*
************************************************************************************/
void adc_devinit(void)
{
struct adc_dev_s *adc;
int ret;
/* Call stm32_adcinitialize() to get an instance of the ADC interface */
#warning "Missing Logic"
/* Register the ADC driver at "/dev/adc0" */
ret = adc_register("/dev/adc0", adc);
if (ret < 0)
{
adbg("adc_register failed: %d\n", ret);
}
}
#endif /* CONFIG_STM32_ADC || CONFIG_STM32_ADC2 || CONFIG_STM32_ADC3 */
/************************************************************************************
* configs/stm3240g-eval/src/up_adc.c
* arch/arm/src/board/up_adc.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <debug.h>
#include <nuttx/analog/adc.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "stm3240g-internal.h"
#ifdef CONFIG_ADC
/************************************************************************************
* Definitions
************************************************************************************/
/* Configuration ************************************************************/
/* Up to 3 ADC interfaces are supported */
#if STM32_NADC < 3
# undef CONFIG_STM32_ADC3
#endif
#if STM32_NADC < 2
# undef CONFIG_STM32_ADC2
#endif
#if STM32_NADC < 1
# undef CONFIG_STM32_ADC1
#endif
#if defined(CONFIG_STM32_ADC1) || defined(CONFIG_STM32_ADC2) || defined(CONFIG_STM32_ADC3)
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: adc_devinit
*
* Description:
* All STM32 architectures must provide the following interface to work with
* examples/adc.
*
************************************************************************************/
void adc_devinit(void)
{
struct adc_dev_s *adc;
int ret;
/* Call stm32_adcinitialize() to get an instance of the ADC interface */
#warning "Missing Logic"
/* Register the ADC driver at "/dev/adc0" */
ret = adc_register("/dev/adc0", adc);
if (ret < 0)
{
adbg("adc_register failed: %d\n", ret);
}
}
#endif /* CONFIG_STM32_ADC || CONFIG_STM32_ADC2 || CONFIG_STM32_ADC3 */
#endif /* CONFIG_ADC */

128
configs/stm3240g-eval/src/up_pwm.c Normal file
View File

@ -0,0 +1,128 @@
/************************************************************************************
* configs/stm3240g-eval/src/up_pwm.c
* arch/arm/src/board/up_pwm.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <debug.h>
#include <nuttx/pwm.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "stm32_pwm.h"
#include "stm3240g-internal.h"
/************************************************************************************
* Definitions
************************************************************************************/
/* 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_CH2 pin 33 (EnB)
*
* FSMC must be disabled in this case!
*/
#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
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: pwm_devinit
*
* Description:
* All STM32 architectures must provide the following interface to work with
* examples/pwm.
*
************************************************************************************/
void pwm_devinit(void)
{
struct pwm_lowerhalf_s *pwm;
int ret;
/* Call stm32_pwminitialize() to get an instance of the PWM interface */
pwm = stm32_pwminitialize(STM3240G_EVAL_PWMTIMER);
if (!pwm)
{
dbg("Failed to get the STM32 PWM lower half\n");
return;
}
/* Register the PWM driver at "/dev/pwm0" */
ret = pwm_register("/dev/pwm0", pwm);
if (ret < 0)
{
adbg("pwm_register failed: %d\n", ret);
}
}
#endif /* HAVE_PWM */