mirror of
https://github.com/HamletDuFromage/aio-switch-updater.git
synced 2024-11-25 11:02:01 +00:00
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
|
|
* Ambient light sensor driver for Nintendo Switch's Rohm BH1730
|
|
*
|
|
* Copyright (c) 2018 CTCaer
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __ALS_H_
|
|
#define __ALS_H_
|
|
|
|
#include <utils/types.h>
|
|
|
|
#define BH1730_I2C_ADDR 0x29
|
|
|
|
#define BH1730_CMD_MAGIC 0x80
|
|
#define BH1730_CMD_SETADDR 0x00
|
|
#define BH1730_CMD_SPECCMD 0x60
|
|
#define BH1730_SPECCMD_RESET 0x4
|
|
|
|
#define BH1730_CONTROL_REG 0x00
|
|
#define BH1730_CTL_ADC_VALID 0x10
|
|
#define BH1730_CTL_ONE_TIME 0x08
|
|
#define BH1730_CTL_DAT0_ONLY 0x04
|
|
#define BH1730_CTL_ADC_EN 0x02
|
|
#define BH1730_CTL_POWER_ON 0x01
|
|
#define BH1730_TIMING_REG 0x01
|
|
#define BH1730_GAIN_REG 0x07
|
|
#define BH1730_GAIN_1X 0x00
|
|
#define BH1730_GAIN_2X 0x01
|
|
#define BH1730_GAIN_64X 0x02
|
|
#define BH1730_GAIN_128X 0x03
|
|
#define BH1730_DATA0LOW_REG 0x14
|
|
#define BH1730_DATA0HIGH_REG 0x15
|
|
#define BH1730_DATA1LOW_REG 0x16
|
|
#define BH1730_DATA1HIGH_REG 0x17
|
|
|
|
#define BH1730_ADDR(reg) (BH1730_CMD_MAGIC | BH1730_CMD_SETADDR | reg)
|
|
#define BH1730_SPEC(cmd) (BH1730_CMD_MAGIC | BH1730_CMD_SPECCMD | cmd)
|
|
|
|
typedef struct _als_table_t
|
|
{
|
|
float lux;
|
|
bool over_limit;
|
|
u32 vi_light;
|
|
u32 ir_light;
|
|
u8 gain;
|
|
u8 itime;
|
|
} als_table_t;
|
|
|
|
void set_als_cfg(als_table_t *als_val, u8 gain, u8 itime);
|
|
void get_als_lux(als_table_t *als_val);
|
|
u8 als_init(als_table_t *als_val);
|
|
|
|
#endif /* __ALS_H_ */
|