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boards/arm/stm32/olimex-stm32-p407: Add support for the CS4344 audio

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driver.
This commit is contained in:
Ouss4 2020-06-03 15:45:41 +01:00 committed by Alan Carvalho de Assis
parent 8da4b02350
commit d001c82bc6
6 changed files with 313 additions and 0 deletions
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78
boards/arm/stm32/olimex-stm32-p407/configs/audio/defconfig Normal file
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@ -0,0 +1,78 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
CONFIG_ARCH="arm"
CONFIG_ARCH_BOARD="olimex-stm32-p407"
CONFIG_ARCH_BOARD_OLIMEX_STM32P407=y
CONFIG_ARCH_BUTTONS=y
CONFIG_ARCH_CHIP="stm32"
CONFIG_ARCH_CHIP_STM32=y
CONFIG_ARCH_CHIP_STM32F407ZG=y
CONFIG_ARCH_IRQBUTTONS=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_AUDIO=y
CONFIG_AUDIO_CS4344=y
CONFIG_AUDIO_EXCLUDE_TONE=y
CONFIG_AUDIO_EXCLUDE_VOLUME=y
CONFIG_AUDIO_I2S=y
CONFIG_BOARD_LATE_INITIALIZE=y
CONFIG_BOARD_LOOPSPERMSEC=16717
CONFIG_BUILTIN=y
CONFIG_DRIVERS_AUDIO=y
CONFIG_FAT_LCNAMES=y
CONFIG_FAT_LFN=y
CONFIG_FS_FAT=y
CONFIG_FS_PROCFS=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_INTELHEX_BINARY=y
CONFIG_MAX_TASKS=16
CONFIG_MAX_WDOGPARMS=2
CONFIG_NFILE_DESCRIPTORS=8
CONFIG_NFILE_STREAMS=8
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_DISABLE_GET=y
CONFIG_NSH_DISABLE_IFUPDOWN=y
CONFIG_NSH_DISABLE_PUT=y
CONFIG_NSH_DISABLE_WGET=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_LINELEN=64
CONFIG_NSH_READLINE=y
CONFIG_NXPLAYER_DEFAULT_MEDIADIR="/mnt/music"
CONFIG_PREALLOC_MQ_MSGS=4
CONFIG_PREALLOC_TIMERS=4
CONFIG_PREALLOC_WDOGS=8
CONFIG_RAM_SIZE=131072
CONFIG_RAM_START=0x20000000
CONFIG_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_HPWORK=y
CONFIG_SCHED_HPWORKPRIORITY=192
CONFIG_SCHED_WAITPID=y
CONFIG_SDCLONE_DISABLE=y
CONFIG_START_YEAR=2013
CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y
CONFIG_STM32_DMA1=y
CONFIG_STM32_I2S3=y
CONFIG_STM32_I2S3_TX=y
CONFIG_STM32_I2S_MCK=y
CONFIG_STM32_JTAG_SW_ENABLE=y
CONFIG_STM32_OTGFS=y
CONFIG_STM32_PWR=y
CONFIG_STM32_SPI3=y
CONFIG_STM32_SPI3_DMA=y
CONFIG_STM32_SPI_DMA=y
CONFIG_STM32_USART3=y
CONFIG_STM32_USBHOST=y
CONFIG_SYSTEM_NSH=y
CONFIG_SYSTEM_NSH_CXXINITIALIZE=y
CONFIG_SYSTEM_NXPLAYER=y
CONFIG_TASK_NAME_SIZE=32
CONFIG_USART3_SERIAL_CONSOLE=y
CONFIG_USBHOST_MSC=y
CONFIG_USER_ENTRYPOINT="nsh_main"
CONFIG_WDOG_INTRESERVE=1

18
boards/arm/stm32/olimex-stm32-p407/include/board.h
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@ -341,4 +341,22 @@
#define BOARD_DHTXX_GPIO_OUTPUT GPIO_DHTXX_PIN_OUTPUT
#define BOARD_DHTXX_FRTIMER 1 /* Free-run timer 1 */
/* SPI3 DMA -- As used for I2S DMA transfer with the audio configuration */
#define GPIO_SPI3_MISO GPIO_SPI3_MISO_1
#define GPIO_SPI3_MOSI GPIO_SPI3_MOSI_1
#define GPIO_SPI3_SCK GPIO_SPI3_SCK_1
#define DMACHAN_SPI3_RX DMAMAP_SPI3_RX_1
#define DMACHAN_SPI3_TX DMAMAP_SPI3_TX_1
/* I2S3 - CS4344 configuration uses I2S3 */
#define GPIO_I2S3_SD GPIO_I2S3_SD_1
#define GPIO_I2S3_CK GPIO_I2S3_CK_1
#define GPIO_I2S3_WS GPIO_I2S3_WS_2
#define DMACHAN_I2S3_RX DMAMAP_SPI3_RX_2
#define DMACHAN_I2S3_TX DMAMAP_SPI3_TX_2
#endif /* __BOARDS_ARM_STM32_OLIMEX_STM32_P407_INCLUDE_BOARD_H */

4
boards/arm/stm32/olimex-stm32-p407/src/Make.defs
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@ -67,6 +67,10 @@ ifeq ($(CONFIG_CAN),y)
CSRCS += stm32_can.c
endif
ifeq ($(CONFIG_AUDIO_CS4344),y)
CSRCS += stm32_cs4344.c
endif
DEPPATH += --dep-path board
VPATH += :board
CFLAGS += $(shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)board)

34
boards/arm/stm32/olimex-stm32-p407/src/olimex-stm32-p407.h
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@ -48,6 +48,7 @@
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
#include <arch/stm32/chip.h>
/****************************************************************************
* Pre-processor Definitions
@ -187,6 +188,18 @@
# define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_FLOAT|GPIO_PORTB|GPIO_PIN10)
#endif
/* The CS4344 depends on the CS4344 driver and I2S3 support */
#if defined(CONFIG_AUDIO_CS4344) && defined(CONFIG_STM32_I2S3)
# define HAVE_CS4344
#endif
#ifdef HAVE_CS4344
/* The CS4344 transfers data on I2S3 */
# define CS4344_I2S_BUS 3
#endif
#ifndef __ASSEMBLY__
/****************************************************************************
@ -290,5 +303,26 @@ int stm32_adc_setup(void);
int stm32_can_setup(void);
#endif
/****************************************************************************
* Name: stm32_cs4344_initialize
*
* Description:
* This function is called by platform-specific, setup logic to configure
* and register the CS4344 device. This function will register the driver
* as /dev/audio/pcm[x] where x is determined by the minor device number.
*
* Input Parameters:
* minor - The input device minor number
*
* Returned Value:
* Zero is returned on success. Otherwise, a negated errno value is
* returned to indicate the nature of the failure.
*
****************************************************************************/
#ifdef CONFIG_AUDIO_CS4344
int stm32_cs4344_initialize(int minor);
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_STM32_OLIMEX_STM32_P407_SRC_H */

10
boards/arm/stm32/olimex-stm32-p407/src/stm32_bringup.c
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@ -213,6 +213,16 @@ int stm32_bringup(void)
}
#endif
#ifdef HAVE_CS4344
/* Configure CS4344 audio */
ret = stm32_cs4344_initialize(1);
if (ret != OK)
{
serr("Failed to initialize CS43L22 audio: %d\n", ret);
}
#endif
UNUSED(ret);
return OK;
}

169
boards/arm/stm32/olimex-stm32-p407/src/stm32_cs4344.c Normal file
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@ -0,0 +1,169 @@
/****************************************************************************
* boards/arm/stm32/stm32f4discovery/src/stm32_cs4344.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <stdio.h>
#include <debug.h>
#include <assert.h>
#include <errno.h>
#include <nuttx/irq.h>
#include <nuttx/audio/i2s.h>
#include <nuttx/audio/pcm.h>
#include <nuttx/audio/cs4344.h>
#include <arch/board/board.h>
#include "stm32.h"
#include "olimex-stm32-p407.h"
#ifdef HAVE_CS4344
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_cs4344_initialize
*
* Description:
* This function is called by platform-specific, setup logic to configure
* and register the CS4344 device. This function will register the driver
* as /dev/audio/pcm[x] where x is determined by the minor device number.
*
* Input Parameters:
* minor - The input device minor number
*
* Returned Value:
* Zero is returned on success. Otherwise, a negated errno value is
* returned to indicate the nature of the failure.
*
****************************************************************************/
int stm32_cs4344_initialize(int minor)
{
FAR struct audio_lowerhalf_s *cs4344;
FAR struct audio_lowerhalf_s *pcm;
FAR struct i2s_dev_s *i2s;
static bool initialized = false;
char devname[12];
int ret;
audinfo("minor %d\n", minor);
DEBUGASSERT(minor >= 0 && minor <= 25);
/* Have we already initialized? Since we never uninitialize we must prevent
* multiple initializations. This is necessary, for example, when the
* touchscreen example is used as a built-in application in NSH and can be
* called numerous time. It will attempt to initialize each time.
*/
if (!initialized)
{
/* Get an instance of the I2S interface for the CS4344 data channel */
i2s = stm32_i2sbus_initialize(CS4344_I2S_BUS);
if (!i2s)
{
auderr("ERROR: Failed to initialize I2S%d\n", CS4344_I2S_BUS);
ret = -ENODEV;
goto errout;
}
/* Now we can use this I2S interface to initialize the CS4344 which
* will return an audio interface.
*/
cs4344 = cs4344_initialize(i2s);
if (!cs4344)
{
auderr("ERROR: Failed to initialize the CS4344\n");
ret = -ENODEV;
goto errout;
}
/* No we can embed the CS4344/I2S conglomerate into a PCM decoder
* instance so that we will have a PCM front end for the the CS4344
* driver.
*/
pcm = pcm_decode_initialize(cs4344);
if (!pcm)
{
auderr("ERROR: Failed create the PCM decoder\n");
ret = -ENODEV;
goto errout;
}
/* Create a device name */
snprintf(devname, 12, "pcm%d", minor);
/* Finally, we can register the PCM/CS4344/I2S audio device.
*
* Is anyone young enough to remember Rube Goldberg?
*/
ret = audio_register(devname, pcm);
if (ret < 0)
{
auderr("ERROR: Failed to register /dev/%s device: %d\n",
devname, ret);
goto errout;
}
/* Now we are initialized */
initialized = true;
}
return OK;
errout:
return ret;
}
#endif /* HAVE_CS4344 */