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configs/nucleo-l496zg: add DAC and missing TIM frequencies

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Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
This commit is contained in:
Juha Niskanen 2017-09-01 10:08:09 +03:00
parent 258fa08e69
commit 06ebe57a63
5 changed files with 162 additions and 0 deletions
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19
configs/nucleo-l496zg/include/board.h
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@ -194,6 +194,25 @@
#endif
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,8,15,16,17 are on APB2, others on APB1
*/
#define BOARD_TIM1_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_TIM2_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM3_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM4_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM5_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM6_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM7_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_TIM8_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_TIM15_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_TIM16_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_TIM17_FREQUENCY STM32L4_HCLK_FREQUENCY
#define BOARD_LPTIM1_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
#define BOARD_LPTIM2_FREQUENCY (STM32L4_HCLK_FREQUENCY / 2)
/* SDMMC dividers. Note that slower clocking is required when DMA is disabled
* in order to avoid RX overrun/TX underrun errors due to delayed responses
* to service FIFOs in interrupt driven mode. These values have not been

4
configs/nucleo-l496zg/src/Makefile
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@ -61,6 +61,10 @@ ifeq ($(CONFIG_ADC),y)
CSRCS += stm32_adc.c
endif
ifeq ($(CONFIG_DAC),y)
CSRCS += stm32_dac.c
endif
ifeq ($(CONFIG_MMCSD),y)
CSRCS += stm32_sdio.c
endif

12
configs/nucleo-l496zg/src/nucleo-144.h
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@ -281,5 +281,17 @@ void stm32_usbinitialize(void);
int stm32_adc_setup(void);
#endif
/************************************************************************************
* Name: stm32_dac_setup
*
* Description:
* Initialize DAC and register the DAC driver.
*
************************************************************************************/
#ifdef CONFIG_DAC
int stm32_dac_setup(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_NUCLEO_L496ZG_SRC_NUCLEO_144_H */

10
configs/nucleo-l496zg/src/stm32_appinitialize.c
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@ -132,6 +132,16 @@ int board_app_initialize(uintptr_t arg)
}
#endif
#ifdef CONFIG_DAC
/* Initialize DAC and register the DAC driver. */
ret = stm32_dac_setup();
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_dac_setup failed: %d\n", ret);
}
#endif
#if defined(CONFIG_FAT_DMAMEMORY)
if (stm32_dma_alloc_init() < 0)
{

117
configs/nucleo-l496zg/src/stm32_dac.c Normal file
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@ -0,0 +1,117 @@
/*****************************************************************************
* configs/nucleo-l496zg/src/stm32_dac.c
*
* Copyright (C) 2017 Haltian Ltd. All rights reserved.
* Authors: Juha Niskanen <juha.niskanen@haltian.com>
*
* 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/analog/dac.h>
#include <arch/board/board.h>
#include "stm32l4_gpio.h"
#include "stm32l4_dac.h"
#include "nucleo-144.h"
#ifdef CONFIG_DAC
/************************************************************************************
* Private Data
************************************************************************************/
#ifdef CONFIG_STM32L4_DAC1
static struct dac_dev_s *g_dac1;
#endif
#ifdef CONFIG_STM32L4_DAC2
static struct dac_dev_s *g_dac2;
#endif
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: stm32_dac_setup
************************************************************************************/
int stm32_dac_setup(void)
{
static bool initialized = false;
if (!initialized)
{
int ret;
#ifdef CONFIG_STM32L4_DAC1
g_dac1 = stm32l4_dacinitialize(0);
if (g_dac1 == NULL)
{
aerr("ERROR: Failed to get DAC1 interface\n");
return -ENODEV;
}
ret = dac_register("/dev/dac0", g_dac1);
if (ret < 0)
{
aerr("ERROR: dac_register failed: %d\n", ret);
return ret;
}
#endif
#ifdef CONFIG_STM32L4_DAC2
g_dac2 = stm32l4_dacinitialize(1);
if (g_dac2 == NULL)
{
aerr("ERROR: Failed to get DAC2 interface\n");
return -ENODEV;
}
ret = dac_register("/dev/dac1", g_dac2);
if (ret < 0)
{
aerr("ERROR: dac_register failed: %d\n", ret);
return ret;
}
#endif
UNUSED(ret);
initialized = true;
}
return OK;
}
#endif /* CONFIG_DAC */