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esp32-sparrow-kit: add support for the LTR308 light sensor
Add support to esp32-sparrow-kit for the LTR308 sensor. This patch also enables the sensor in the default nsh config file. Signed-off-by: Robert-Ionut Alexa <robertalexa2000@gmail.com>
This commit is contained in:
Robert-Ionut Alexa
committed by
Xiang Xiao
Xiang Xiao
parent
3351146c0b
commit
e0374c30e4
85
boards/xtensa/esp32/common/include/esp32_ltr308.h
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85
boards/xtensa/esp32/common/include/esp32_ltr308.h
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@@ -0,0 +1,85 @@
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/****************************************************************************
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* boards/xtensa/esp32/common/include/esp32_ltr308.h
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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_XTENSA_ESP32_COMMON_INCLUDE_ESP32_LTR308_H
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#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_LTR308_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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* Type 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_ltr308_initialize
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*
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* Description:
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* Initialize and register the LTR308 Lite-On ambient light sensors driver.
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*
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* Input Parameters:
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* devno - The device number, used to build the device path as
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* /dev/uorb/sensor_lightN
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* busno - The I2C bus number
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int board_ltr308_initialize(int devno, int 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_XTENSA_ESP32_COMMON_INCLUDE_ESP32_LTR308_H */
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@@ -88,6 +88,10 @@ ifeq ($(CONFIG_SENSORS_MS5611),y)
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CSRCS += esp32_ms5611.c
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endif
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ifeq ($(CONFIG_SENSORS_LTR308),y)
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CSRCS += esp32_ltr308.c
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endif
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ifeq ($(CONFIG_LCD_HT16K33),y)
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CSRCS += esp32_ht16k33.c
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endif
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86
boards/xtensa/esp32/common/src/esp32_ltr308.c
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86
boards/xtensa/esp32/common/src/esp32_ltr308.c
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@@ -0,0 +1,86 @@
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/****************************************************************************
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* boards/xtensa/esp32/common/src/esp32_ltr308.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 <stdio.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/sensors/ltr308.h>
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#include <nuttx/i2c/i2c_master.h>
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#include "esp32_board_i2c.h"
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#include "esp32_i2c.h"
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#include "esp32_ltr308.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_ltr308_initialize
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*
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* Description:
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* Initialize and register the LTR308 Lite-On ambient light sensor driver.
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*
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* Input Parameters:
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* devno - The device number, used to build the device path as
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* /dev/uorb/sensor_lightN
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* busno - The I2C bus number
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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****************************************************************************/
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int board_ltr308_initialize(int devno, int busno)
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{
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struct i2c_master_s *i2c;
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int ret;
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sninfo("Initializing LTR308!\n");
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/* Initialize LTR308 */
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i2c = esp32_i2cbus_initialize(busno);
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if (i2c != NULL)
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{
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/* Then try to register the light sensor in one of the two I2C
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* available controllers.
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*/
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ret = ltr308_register(devno, i2c);
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if (ret < 0)
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{
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snerr("ERROR: Error registering LTR308 in I2C%d\n", busno);
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}
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}
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else
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{
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ret = -ENODEV;
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}
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return ret;
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}
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@@ -20,6 +20,8 @@ CONFIG_ARCH_STACKDUMP=y
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CONFIG_ARCH_XTENSA=y
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CONFIG_BOARD_LOOPSPERMSEC=16717
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CONFIG_BUILTIN=y
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CONFIG_ESP32_I2C0=y
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CONFIG_ESP32_I2C0_SDAPIN=21
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CONFIG_ESP32_UART0=y
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CONFIG_FS_PROCFS=y
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CONFIG_HAVE_CXX=y
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@@ -38,6 +40,8 @@ CONFIG_RAM_SIZE=114688
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CONFIG_RAM_START=0x20000000
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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_LTR308=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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@@ -80,6 +80,10 @@
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# include "esp32_bmp180.h"
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#endif
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#ifdef CONFIG_SENSORS_LTR308
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# include "esp32_ltr308.h"
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#endif
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#ifdef CONFIG_INPUT_BUTTONS
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# include <nuttx/input/buttons.h>
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#endif
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@@ -342,6 +346,17 @@ int esp32_bringup(void)
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}
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#endif
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#ifdef CONFIG_SENSORS_LTR308
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/* Try to register LTR308 device in I2C0 */
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ret = board_ltr308_initialize(0, 0);
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if (ret < 0)
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{
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syslog(LOG_ERR, "Failed to initialize LTR308 driver: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_INPUT_BUTTONS
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/* Register the BUTTON driver */
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