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Support PWM testing on board nucleo-l476.

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This commit is contained in:
Sebastien Lorquet
2016-10-14 18:06:42 +02:00
parent fb1f424e12
commit 49238489fd
4 changed files with 312 additions and 0 deletions
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configs/nucleo-l476rg/include/board.h
+12
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@@ -212,6 +212,18 @@
#define GPIO_TIM2_CH1IN GPIO_TIM2_CH1IN_1
#define GPIO_TIM2_CH2IN GPIO_TIM2_CH2IN_1
/* PWM output for full bridge, uses config 1, because port E is N/A on QFP64
* CH1 | 1(A8) 2(E9)
* CH2 | 1(A9) 2(E11)
* CHN1 | 1(A7) 2(B13) 3(E8)
* CHN2 | 1(B0) 2(B14) 3(E10)
*/
#define GPIO_TIM1_CH1OUT GPIO_TIM1_CH1OUT_1
#define GPIO_TIM1_CH1NOUT GPIO_TIM1_CH1N_1
#define GPIO_TIM1_CH2OUT GPIO_TIM1_CH2OUT_1
#define GPIO_TIM1_CH2NOUT GPIO_TIM1_CH2N_1
/************************************************************************************
* Public Data
************************************************************************************/
configs/nucleo-l476rg/src/Makefile
+4
View File
@@ -66,6 +66,10 @@ ifeq ($(CONFIG_QENCODER),y)
CSRCS += stm32_qencoder.c
endif
ifeq ($(CONFIG_PWM),y)
CSRCS += stm32_pwm.c
endif
ifeq ($(CONFIG_LIB_BOARDCTL),y)
CSRCS += stm32_appinit.c
endif
configs/nucleo-l476rg/src/stm32_appinit.c
+21
View File
@@ -207,3 +207,24 @@ int board_app_initialize(uintptr_t arg)
return OK;
}
#ifdef CONFIG_BOARDCTL_IOCTL
int board_ioctl(unsigned int cmd, uintptr_t arg)
{
return -ENOTTY;
}
#endif
#if defined(CONFIG_BOARDCTL_UNIQUEID)
int board_uniqueid(uint8_t *uniqueid)
{
if (uniqueid == 0)
{
return -EINVAL;
}
stm32l4_get_uniqueid(uniqueid);
return OK;
}
#endif
configs/nucleo-l476rg/src/stm32_pwm.c
+275
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@@ -0,0 +1,275 @@
/************************************************************************************
* configs/nucleo-l476rg/src/stm32_pwm.c
*
* Copyright (C) 2011, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Copyright (C) 2016 Sebastien Lorquet. All rights reserved.
* Author: Sebastien Lorquet <sebastien@lorquet.fr>
*
* 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 <errno.h>
#include <debug.h>
#include <nuttx/board.h>
#include <nuttx/drivers/pwm.h>
#include <arch/board/board.h>
#include "chip.h"
#include "up_arch.h"
#include "stm32l4_pwm.h"
#include "nucleo-l476rg.h"
/************************************************************************************
* Pre-processor 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 variously unused pins on the board for
* PWM output (see board.h for details of pins).
*/
#ifdef CONFIG_PWM
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: board_pwm_setup
*
* Description:
* All STM32L4 architectures must provide the following interface to work with
* examples/pwm.
*
************************************************************************************/
int board_pwm_setup(void)
{
static bool initialized = false;
struct pwm_lowerhalf_s *pwm;
int ret;
/* Have we already initialized? */
if (!initialized)
{
/* Call stm32l4_pwminitialize() to get an instance of the PWM interface */
/* PWM
*
* The Nucleo-l476rg has no real on-board PWM devices, but the board can be
* configured to output a pulse train using TIM1 or 8, or others (see board.h).
* Let's figure out which the user has configured.
*/
# if defined(CONFIG_STM32L4_TIM1_PWM)
pwm = stm32l4_pwminitialize(1);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm0" */
ret = pwm_register("/dev/pwm0", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
# if defined(CONFIG_STM32L4_TIM2_PWM)
pwm = stm32l4_pwminitialize(2);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm1" */
ret = pwm_register("/dev/pwm1", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
# if defined(CONFIG_STM32L4_TIM3_PWM)
pwm = stm32l4_pwminitialize(3);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm2" */
ret = pwm_register("/dev/pwm2", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
# if defined(CONFIG_STM32L4_TIM4_PWM)
pwm = stm32l4_pwminitialize(4);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm3" */
ret = pwm_register("/dev/pwm3", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
# if defined(CONFIG_STM32L4_TIM5_PWM)
pwm = stm32l4_pwminitialize(5);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm4" */
ret = pwm_register("/dev/pwm4", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
# if defined(CONFIG_STM32L4_TIM8_PWM)
pwm = stm32l4_pwminitialize(8);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm5" */
ret = pwm_register("/dev/pwm5", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
# if defined(CONFIG_STM32L4_TIM15_PWM)
pwm = stm32l4_pwminitialize(15);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm6" */
ret = pwm_register("/dev/pwm6", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
# if defined(CONFIG_STM32L4_TIM16_PWM)
pwm = stm32l4_pwminitialize(16);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm7" */
ret = pwm_register("/dev/pwm7", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
# if defined(CONFIG_STM32L4_TIM17_PWM)
pwm = stm32l4_pwminitialize(17);
if (!pwm)
{
aerr("ERROR: Failed to get the STM32L4 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm8" */
ret = pwm_register("/dev/pwm8", pwm);
if (ret < 0)
{
aerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
#endif
/* Now we are initialized */
initialized = true;
}
return OK;
}
#endif /* CONFIG_PWM */