1ad3a22ad5
Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
/****************************************************************************
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* boards/arm/stm32l4/nucleo-l452re/src/stm32_bringup.c
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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 <sys/types.h>
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#include <debug.h>
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#include <nuttx/input/buttons.h>
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#include <nuttx/i2c/i2c_master.h>
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#include <nuttx/leds/userled.h>
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#include <nuttx/board.h>
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#include <nuttx/fs/fs.h>
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#include "stm32l4_i2c.h"
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#include "nucleo-l452re.h"
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#include <arch/board/board.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#undef HAVE_I2C_DRIVER
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#if defined(CONFIG_STM32L4_I2C1) && defined(CONFIG_I2C_DRIVER)
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# define HAVE_I2C_DRIVER 1
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: stm32_bringup
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*
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* Description:
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* Perform architecture-specific initialization
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*
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* CONFIG_BOARD_LATE_INITIALIZE=y :
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* Called from board_late_initialize().
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*
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* CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
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* Called from the NSH library
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*
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****************************************************************************/
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int stm32_bringup(void)
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{
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#ifdef HAVE_I2C_DRIVER
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FAR struct i2c_master_s *i2c;
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#endif
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int ret;
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#ifdef CONFIG_FS_PROCFS
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/* Mount the procfs file system */
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ret = nx_mount(NULL, "/proc", "procfs", 0, NULL);
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if (ret < 0)
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{
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ferr("ERROR: Failed to mount procfs at /proc: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_BUTTONS
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#ifdef CONFIG_BUTTONS_LOWER
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iinfo("Initializing button driver\n");
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/* Register the BUTTON driver */
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ret = btn_lower_initialize("/dev/buttons");
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if (ret < 0)
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{
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ierr("ERROR: btn_lower_initialize() failed: %d\n", ret);
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}
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#else
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/* Enable BUTTON support for some other purpose */
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board_button_initialize();
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#endif
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#endif /* CONFIG_BUTTONS */
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#ifdef HAVE_I2C_DRIVER
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/* Get the I2C lower half instance */
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i2c = stm32l4_i2cbus_initialize(1);
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if (i2c == NULL)
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{
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i2cerr("ERROR: Initialize I2C1: %d\n", ret);
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}
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else
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{
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/* Register the I2C character driver */
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ret = i2c_register(i2c, 1);
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if (ret < 0)
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{
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i2cerr("ERROR: Failed to register I2C1 device: %d\n", ret);
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}
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}
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#endif
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#ifdef CONFIG_DAC
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ainfo("Initializing DAC\n");
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stm32l4_dac_setup();
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#endif
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#ifdef CONFIG_ADC
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ainfo("Initializing ADC\n");
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stm32l4_adc_setup();
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#endif
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UNUSED(ret);
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return OK;
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}
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