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https://github.com/apache/nuttx.git
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boards/stm32f4discovery: Add support to MT6816
This commit add support to use MagTek Magnetic Rotary Encoder MT6816 on STM32F4Discovery board. Signed-off-by: Alan C. Assis <acassis@gmail.com>
This commit is contained in:
Alan Carvalho de Assis
committed by
Alan C. Assis
Alan C. Assis
parent
a1d6016962
commit
928d7682ce
@@ -0,0 +1,75 @@
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/****************************************************************************
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* boards/arm/stm32/common/include/stm32_mt6816.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_STM32_COMMON_INCLUDE_STM32_MT6816_H
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#define __BOARDS_ARM_STM32_COMMON_INCLUDE_STM32_MT6816_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Inline Functions
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: board_mt6816_initialize
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*
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* Description:
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* Initialize the MT6816 encoder driver
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*
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****************************************************************************/
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int board_mt6816_initialize(int devno, int spi_busno);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BOARDS_ARM_STM32_COMMON_INCLUDE_STM32_MT6816_H */
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@@ -82,6 +82,10 @@ if(CONFIG_SENSORS_APDS9960)
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list(APPEND SRCS stm32_apds9960.c)
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endif()
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if(CONFIG_SENSORS_MT6816)
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list(APPEND SRCS stm32_mt6816.c)
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endif()
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if(CONFIG_SENSORS_ZEROCROSS)
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list(APPEND SRCS stm32_zerocross.c)
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endif()
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@@ -86,6 +86,10 @@ ifeq ($(CONFIG_SENSORS_APDS9960),y)
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CSRCS += stm32_apds9960.c
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endif
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ifeq ($(CONFIG_SENSORS_MT6816),y)
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CSRCS += stm32_mt6816.c
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endif
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ifeq ($(CONFIG_INPUT_MPR121_KEYPAD),y)
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CSRCS += stm32_mpr121.c
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endif
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@@ -0,0 +1,91 @@
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/****************************************************************************
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* boards/arm/stm32/common/src/stm32_mt6816.c
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <errno.h>
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#include <nuttx/debug.h>
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#include <stdio.h>
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#include <nuttx/sensors/qencoder.h>
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#include <nuttx/sensors/mt6816.h>
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#include <arch/board/board.h>
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#include <nuttx/spi/spi.h>
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#include "chip.h"
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#include "stm32.h"
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#include "stm32_spi.h"
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#include "arm_internal.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_mt6816_initialize
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*
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* Description:
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* Initialize the MT6816 encoder driver
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*
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****************************************************************************/
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int board_mt6816_initialize(int devno, int spi_busno)
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{
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struct spi_dev_s *spi;
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struct qe_lowerhalf_s *dev;
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char qe_path[12];
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int ret = OK;
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spi = stm32_spibus_initialize(spi_busno);
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if (!spi)
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{
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return -ENODEV;
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}
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dev = mt6816_initialize(spi, (uint16_t) devno);
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if (dev == NULL)
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{
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snerr("ERROR: Failed to initialize MT6816 at SPI%d\n", spi_busno);
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ret = -ENODEV;
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}
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else
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{
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snprintf(qe_path, sizeof(qe_path), "/dev/qe%d", devno);
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ret = qe_register(qe_path, dev);
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if (ret < 0)
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{
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snerr("ERROR: Failed to register MT6816 qe%d driver: %d\n",
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devno, ret);
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ret = -ENODEV;
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}
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}
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return ret;
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}
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@@ -0,0 +1,56 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_ARCH_FPU is not set
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# CONFIG_DEBUG_ERROR is not set
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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CONFIG_ARCH="arm"
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CONFIG_ARCH_BOARD="stm32f4discovery"
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CONFIG_ARCH_BOARD_COMMON=y
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CONFIG_ARCH_BOARD_STM32F4_DISCOVERY=y
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CONFIG_ARCH_BUTTONS=y
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CONFIG_ARCH_CHIP="stm32"
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CONFIG_ARCH_CHIP_STM32=y
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CONFIG_ARCH_CHIP_STM32F407VG=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_BOARD_LATE_INITIALIZE=y
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CONFIG_BOARD_LOOPSPERMSEC=16717
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CONFIG_BUILTIN=y
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CONFIG_DEBUG_FEATURES=y
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CONFIG_DEBUG_SENSORS=y
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CONFIG_EXAMPLES_HELLO=y
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CONFIG_EXAMPLES_QENCODER=y
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CONFIG_FS_PROCFS=y
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_INIT_ENTRYPOINT="nsh_main"
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CONFIG_INTELHEX_BINARY=y
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CONFIG_LINE_MAX=64
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CONFIG_MM_REGIONS=2
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_READLINE=y
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_RAM_SIZE=114688
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CONFIG_RAM_START=0x20000000
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CONFIG_RAW_BINARY=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_SENSORS=y
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CONFIG_SENSORS_MT6816=y
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CONFIG_START_DAY=6
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CONFIG_START_MONTH=12
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CONFIG_START_YEAR=2011
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CONFIG_STM32_JTAG_SW_ENABLE=y
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CONFIG_STM32_PWR=y
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CONFIG_STM32_SPI1=y
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CONFIG_STM32_USART2=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_USART2_RXBUFSIZE=128
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CONFIG_USART2_SERIAL_CONSOLE=y
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CONFIG_USART2_TXBUFSIZE=128
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@@ -455,6 +455,11 @@
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#define BOARD_MPR121_GPIO_INT GPIO_MPR121_INT
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/* Pin for Magnetic Encoder MT6816 */
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#define GPIO_CS_MT6816 (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|\
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GPIO_OUTPUT_SET|GPIO_PORTE|GPIO_PIN3)
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/* LIS3DSH */
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#define GPIO_LIS3DSH_EXT0 \
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@@ -60,6 +60,10 @@
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#include "stm32_apds9960.h"
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#endif
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#ifdef CONFIG_SENSORS_MT6816
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#include "stm32_mt6816.h"
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#endif
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#ifdef CONFIG_INPUT_MPR121_KEYPAD
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#include "stm32_mpr121.h"
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#endif
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@@ -268,6 +272,16 @@ int stm32_bringup(void)
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board_zerocross_initialize(0);
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#endif
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#ifdef CONFIG_SENSORS_MT6816
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/* Initialize MT6816 as /dev/qe0 on SPI1 */
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ret = board_mt6816_initialize(0, 1);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: board_mt6816_initialize failed: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_LEDS_MAX7219
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ret = stm32_max7219init("/dev/numdisp0");
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if (ret < 0)
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@@ -77,6 +77,10 @@ void weak_function stm32_spidev_initialize(void)
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stm32_configgpio(GPIO_CS_MFRC522); /* MFRC522 chip select */
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#endif
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#if defined(CONFIG_STM32_SPI1) && defined(CONFIG_SENSORS_MT6816)
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stm32_configgpio(GPIO_CS_MT6816);
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#endif
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#if defined(CONFIG_STM32_SPI2) && defined(CONFIG_SENSORS_MAX31855)
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stm32_configgpio(GPIO_MAX31855_CS); /* MAX31855 chip select */
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#endif
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@@ -192,6 +196,13 @@ void stm32_spi1select(struct spi_dev_s *dev, uint32_t devid,
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}
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#endif
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#if defined (CONFIG_SENSORS_MT6816)
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if (devid == SPIDEV_MAG_ENCODER(0))
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{
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stm32_gpiowrite(GPIO_CS_MT6816, !selected);
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}
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#endif
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#if defined(CONFIG_CL_MFRC522)
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if (devid == SPIDEV_CONTACTLESS(0))
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{
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