103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/****************************************************************************
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* drivers/sensors/bh1749nuc_base.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 __INCLUDE_NUTTX_SENSORS_BH1749NUC_BASE_H
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#define __INCLUDE_NUTTX_SENSORS_BH1749NUC_BASE_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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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/kmalloc.h>
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#include <nuttx/i2c/i2c_master.h>
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#include <nuttx/sensors/bh1749nuc.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define BH1749NUC_I2C_FREQ 400000
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#define BH1749NUC_MANUFACTID 0xE0 /* Manufact ID */
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#define BH1749NUC_PARTID 0x0D /* Part ID */
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/* BH1749NUC Registers */
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#define BH1749NUC_SYSTEM_CONTROL 0x40
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#define BH1749NUC_MODE_CONTROL1 0x41
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#define BH1749NUC_MODE_CONTROL2 0x42
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#define BH1749NUC_RED_DATA_LSB 0x50
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#define BH1749NUC_GREEN_DATA_LSB 0x52
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#define BH1749NUC_BLUE_DATA_LSB 0x54
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#define BH1749NUC_IR_DATA_LSB 0x58
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#define BH1749NUC_GREEN2_DATA_LSB 0x5a
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#define BH1749NUC_MANUFACTURER_ID 0x92
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/* Register SYSTEM_CONTROL */
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#define BH1749NUC_SYSTEM_CONTROL_SW_RESET (1 << 7)
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#define BH1749NUC_SYSTEM_CONTROL_INT_RESET (1 << 6)
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/* Register MODE_CONTROL1 */
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#define BH1749NUC_MODE_CONTROL1_IR_GAIN_X1 (0x20)
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#define BH1749NUC_MODE_CONTROL1_IR_GAIN_X32 (0x60)
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#define BH1749NUC_MODE_CONTROL1_RGB_GAIN_X1 (0x08)
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#define BH1749NUC_MODE_CONTROL1_RGB_GAIN_X32 (0x18)
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#define BH1749NUC_MODE_CONTROL1_MEAS_TIME160MS (0x02)
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/* Register MODE_CONTROL2 */
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#define BH1749NUC_MODE_CONTROL2_RGBI_EN (1 << 4)
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#define BH1749NUC_MODE_CONTROL2_VALID (1 << 7)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Structure for bh1749nuc device */
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struct bh1749nuc_dev_s
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{
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FAR struct i2c_master_s *i2c; /* I2C interface */
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int freq; /* Frequency */
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uint8_t addr; /* I2C address */
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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uint8_t bh1749nuc_getreg8(FAR struct bh1749nuc_dev_s *priv, uint8_t regaddr);
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uint16_t bh1749nuc_read16(FAR struct bh1749nuc_dev_s *priv, uint8_t regaddr);
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void bh1749nuc_putreg8(FAR struct bh1749nuc_dev_s *priv,
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uint8_t regaddr, uint8_t regval);
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int bh1749nuc_checkid(FAR struct bh1749nuc_dev_s *priv);
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#endif /* __INCLUDE_NUTTX_SENSORS_BH1749NUC_BASE_H */
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