| /* sensor_isl29035.h - header file for ISL29035 light sensor driver */ |
| |
| /* |
| * Copyright (c) 2016 Intel Corporation |
| * |
| * Licensed 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 _SENSOR_ISL29035_H_ |
| #define _SENSOR_ISL29035_H_ |
| |
| #include <device.h> |
| #include <nanokernel.h> |
| #include <sensor.h> |
| |
| #ifndef CONFIG_SENSOR_DEBUG |
| #define DBG(...) { ; } |
| #else |
| #include <misc/printk.h> |
| #define DBG printk |
| #endif /* CONFIG_SENSOR_DEBUG */ |
| |
| #define ISL29035_I2C_ADDRESS 0x44 |
| |
| #define ISL29035_COMMAND_I_REG 0x00 |
| #define ISL29035_OPMODE_SHIFT 5 |
| #define ISL29035_OPMODE_MASK (7 << ISL29035_OPMODE_SHIFT) |
| #define ISL29035_INT_BIT_SHIFT 2 |
| #define ISL29035_INT_BIT_MASK (1 << ISL29035_INT_BIT_SHIFT) |
| #define ISL29035_INT_PRST_SHIFT 0 |
| #define ISL29035_INT_PRST_MASK (3 << ISL29035_INT_BIT_SHIFT) |
| |
| #define ISL29035_OPMODE_OFF 0 |
| #define ISL29035_OPMODE_ALS_ONCE 1 |
| #define ISL29035_OPMODE_IR_ONCE 2 |
| #define ISL29035_OPMODE_ALS_CONT 5 |
| #define ISL29035_OPMODE_IR_CONT 6 |
| |
| #define ISL29035_COMMAND_II_REG 0x01 |
| #define ISL29035_LUX_RANGE_SHIFT 0 |
| #define ISL29035_LUX_RANGE_MASK (3 << ISL29035_LUX_RANGE_SHIFT) |
| #define ISL29035_ADC_RES_SHIFT 2 |
| #define ISL29035_ADC_RES_MASK (3 << ISL29035_ADC_RES_SHIFT) |
| |
| #define ISL29035_DATA_LSB_REG 0x02 |
| #define ISL29035_DATA_MSB_REG 0x03 |
| #define ISL29035_INT_LT_LSB_REG 0x04 |
| #define ISL29035_INT_LT_MSB_REG 0x05 |
| #define ISL29035_INT_HT_LSB_REG 0x06 |
| #define ISL29035_INT_HT_MSB_REG 0x07 |
| |
| #define ISL29035_ID_REG 0x0F |
| #define ISL29035_BOUT_SHIFT 7 |
| #define ISL29035_BOUT_MASK (1 << ISL29035_BOUT_SHIFT) |
| #define ISL29035_ID_SHIFT 3 |
| #define ISL29035_ID_MASK (3 << ISL29035_ID_SHIFT) |
| |
| #if CONFIG_ISL29035_MODE_ALS |
| #define ISL29035_ACTIVE_OPMODE ISL29035_OPMODE_ALS_CONT |
| #define ISL29035_ACTIVE_CHAN SENSOR_CHAN_LIGHT |
| #elif CONFIG_ISL29035_MODE_IR |
| #define ISL29035_ACTIVE_OPMODE ISL29035_OPMODE_IR_CONT |
| #define ISL29035_ACTIVE_CHAN SENSOR_CHAN_IR |
| #endif |
| |
| #if CONFIG_ISL29035_LUX_RANGE_1K |
| #define ISL29035_LUX_RANGE_IDX 0 |
| #define ISL29035_LUX_RANGE 1000 |
| #elif CONFIG_ISL29035_LUX_RANGE_4 |
| #define ISL29035_LUX_RANGE_IDX 1 |
| #define ISL29035_LUX_RANGE 4000 |
| #elif CONFIG_ISL29035_LUX_RANGE_16K |
| #define ISL29035_LUX_RANGE_IDX 2 |
| #define ISL29035_LUX_RANGE 16000 |
| #elif CONFIG_ISL29035_LUX_RANGE_64K |
| #define ISL29035_LUX_RANGE_IDX 3 |
| #define ISL29035_LUX_RANGE 64000 |
| #endif |
| |
| #if CONFIG_ISL29035_INTEGRATION_TIME_26 |
| #define ISL29035_ADC_RES_IDX 3 |
| #elif CONFIG_ISL29035_INTEGRATION_TIME_410 |
| #define ISL29035_ADC_RES_IDX 2 |
| #elif CONFIG_ISL29035_INTEGRATION_TIME_6500 |
| #define ISL29035_ADC_RES_IDX 1 |
| #elif CONFIG_ISL29035_INTEGRATION_TIME_105K |
| #define ISL29035_ADC_RES_IDX 0 |
| #endif |
| |
| #define ISL29035_ADC_DATA_BITS (16 - 4 * ISL29035_ADC_RES_IDX) |
| #define ISL29035_ADC_DATA_MASK (0xFFFF >> (16 - ISL29035_ADC_DATA_BITS)) |
| |
| #if CONFIG_ISL29035_INT_PERSIST_1 |
| #define ISL29035_INT_PRST_IDX 0 |
| #define ISL29035_INT_PRST_CYCLES 1 |
| #elif CONFIG_ISL29035_INT_PERSIST_4 |
| #define ISL29035_INT_PRST_IDX 1 |
| #define ISL29035_INT_PRST_CYCLES 4 |
| #elif CONFIG_ISL29035_INT_PERSIST_8 |
| #define ISL29035_INT_PRST_IDX 2 |
| #define ISL29035_INT_PRST_CYCLES 8 |
| #elif CONFIG_ISL29035_INT_PERSIST_16 |
| #define ISL29035_INT_PRST_IDX 3 |
| #define ISL29035_INT_PRST_CYCLES 16 |
| #endif |
| |
| struct isl29035_driver_data { |
| struct device *i2c; |
| uint16_t data_sample; |
| |
| #if CONFIG_ISL29035_TRIGGER |
| struct device *gpio; |
| |
| struct sensor_trigger th_trigger; |
| sensor_trigger_handler_t th_handler; |
| |
| #if defined(CONFIG_ISL29035_TRIGGER_OWN_FIBER) |
| char __stack fiber_stack[CONFIG_ISL29035_FIBER_STACK_SIZE]; |
| struct nano_sem gpio_sem; |
| #elif defined(CONFIG_ISL29035_TRIGGER_GLOBAL_FIBER) |
| struct sensor_work work; |
| #endif |
| |
| #endif /* CONFIG_ISL29035_TRIGGER */ |
| }; |
| |
| #ifdef CONFIG_ISL29035_TRIGGER |
| int isl29035_write_reg(struct isl29035_driver_data *drv_data, |
| uint8_t reg, uint8_t val); |
| |
| int isl29035_read_reg(struct isl29035_driver_data *drv_data, |
| uint8_t reg, uint8_t *val); |
| |
| int isl29035_update_reg(struct isl29035_driver_data *drv_data, |
| uint8_t reg, uint8_t mask, uint8_t val); |
| |
| int isl29035_attr_set(struct device *dev, |
| enum sensor_channel chan, |
| enum sensor_attribute attr, |
| const struct sensor_value *val); |
| |
| int isl29035_trigger_set(struct device *dev, |
| const struct sensor_trigger *trig, |
| sensor_trigger_handler_t handler); |
| |
| int isl29035_init_interrupt(struct device *dev); |
| #endif |
| |
| #endif /* _SENSOR_ISL29035_H_ */ |