47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
#ifndef TSL2591_H_INCLUDED
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#define TSL2591_H_INCLUDED
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#include <stdint.h>
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#include <stdbool.h>
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#define TSL2591_ADDRESS (0x29)
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#define TSL2591_COMMAND_BIT (0xA0)
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typedef enum TSL2591Register {
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TSL2591_REGISTER_ENABLE = 0x00,
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TSL2591_REGISTER_CONTROL = 0x01,
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TSL2591_REGISTER_DEVICE_ID = 0x12,
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TSL2591_REGISTER_CHAN0_LOW = 0x14,
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TSL2591_REGISTER_CHAN1_LOW = 0x16,
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} TSL2591Register;
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typedef enum TSL2591Control {
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TSL2591_CONTROL_INTEGRATIONTIME_100MS = 0x00,
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TSL2591_CONTROL_INTEGRATIONTIME_200MS = 0x01,
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TSL2591_CONTROL_INTEGRATIONTIME_300MS = 0x02,
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TSL2591_CONTROL_INTEGRATIONTIME_400MS = 0x03,
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TSL2591_CONTROL_INTEGRATIONTIME_500MS = 0x04,
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TSL2591_CONTROL_INTEGRATIONTIME_600MS = 0x05,
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TSL2591_CONTROL_GAIN_LOW = 0x00,
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TSL2591_CONTROL_GAIN_MEDIUM = 0x10,
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TSL2591_CONTROL_GAIN_HIGH = 0x20,
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TSL2591_CONTROL_GAIN_MAX = 0x30
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} TSL2591Control;
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typedef enum TSL2591Enable {
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TSL2591_ENABLE_POWEROFF = 0x00,
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TSL2591_ENABLE_POWERON = 0x01,
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TSL2591_ENABLE_AEN = 0x02,
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TSL2591_ENABLE_AIEN = 0x10,
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TSL2591_ENABLE_NPIEN = 0x80,
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} TSL2591Enable;
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inline uint16_t make_le_16(uint16_t val) { return (val >> 8) | (val << 8); }
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bool tsl2591_init();
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void tsl2591_set_gain(TSL2591Control gain);
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void tsl2591_set_integration_time(TSL2591Control integration_time);
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uint16_t tsl2591_get_visible_light_reading();
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#endif // TSL2591_H_INCLUDED
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