1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
#ifndef TSL2591_H_INCLUDED
#define TSL2591_H_INCLUDED
#include <stdint.h>
#include <stdbool.h>
#define TSL2591_ADDRESS (0x29)
#define TSL2591_COMMAND_BIT (0xA0)
typedef enum TSL2591Register {
TSL2591_REGISTER_ENABLE = 0x00,
TSL2591_REGISTER_CONTROL = 0x01,
TSL2591_REGISTER_DEVICE_ID = 0x12,
TSL2591_REGISTER_CHAN0_LOW = 0x14,
TSL2591_REGISTER_CHAN1_LOW = 0x16,
} TSL2591Register;
typedef enum TSL2591Control {
TSL2591_CONTROL_INTEGRATIONTIME_100MS = 0x00,
TSL2591_CONTROL_INTEGRATIONTIME_200MS = 0x01,
TSL2591_CONTROL_INTEGRATIONTIME_300MS = 0x02,
TSL2591_CONTROL_INTEGRATIONTIME_400MS = 0x03,
TSL2591_CONTROL_INTEGRATIONTIME_500MS = 0x04,
TSL2591_CONTROL_INTEGRATIONTIME_600MS = 0x05,
TSL2591_CONTROL_GAIN_LOW = 0x00,
TSL2591_CONTROL_GAIN_MEDIUM = 0x10,
TSL2591_CONTROL_GAIN_HIGH = 0x20,
TSL2591_CONTROL_GAIN_MAX = 0x30
} TSL2591Control;
typedef enum TSL2591Enable {
TSL2591_ENABLE_POWEROFF = 0x00,
TSL2591_ENABLE_POWERON = 0x01,
TSL2591_ENABLE_AEN = 0x02,
TSL2591_ENABLE_AIEN = 0x10,
TSL2591_ENABLE_NPIEN = 0x80,
} TSL2591Enable;
inline uint16_t make_le_16(uint16_t val) { return (val >> 8) | (val << 8); }
bool tsl2591_init();
void tsl2591_set_gain(TSL2591Control gain);
void tsl2591_set_integration_time(TSL2591Control integration_time);
uint16_t tsl2591_get_visible_light_reading();
#endif // TSL2591_H_INCLUDED
|
