nuttx/drivers/sensors/bh1749nuc_base.h
2024-05-20 10:13:42 +08:00

101 lines
3.6 KiB
C

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