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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/**************************************************************************/
/*!
@file AW9523B.h
Author: Manuel Polo (https://about.me/mrmx)
License: MIT (see LICENSE)
*/
/**************************************************************************/
#ifndef _AW9523B_H_
#define _AW9523B_H_
//#include <Arduino.h>
//#include <stdint.h>
//#include <stdbool.h>
#ifdef STM32
#include "stm32l4xx_hal.h"
#endif
/** Registers */
#define AW9523B_I2C_ADDRESS 0x58 ///< I2C base address for AW9523B
#define AW9523B_REG_ID 0x10 ///< id register
#define AW9523B_ID 0x23 ///< id value
#define AW9523B_P0_IN_STATE 0x00 ///< P0 port input state
#define AW9523B_P1_IN_STATE 0x01 ///< P1 port input state
#define AW9523B_P0_OUT_STATE 0x02 ///< P0 port output state
#define AW9523B_P1_OUT_STATE 0x03 ///< P1 port output state
#define AW9523B_P0_CONF_STATE 0x04 ///< P0 port config state
#define AW9523B_P1_CONF_STATE 0x05 ///< P1 port config state
#define AW9523B_REG_GLOB_CTR 0x11 ///< Global control register
#define AW9523B_P0_LED_MODE 0x12 ///< P0 port led mode switch register
#define AW9523B_P1_LED_MODE 0x13 ///< P1 port led mode switch register
#define AW9523B_REG_SOFT_RST 0x7F ///< Soft reset register
/** AW9523B Port constants */
enum AW9523BPort
{
P0 = 0x00, // Port 0
P1 = 0x01, // Port 1
};
enum AW9523BPortMode
{
OPEN_DRAIN = 0x00, // Port 0 open drain mode
PUSH_PULL = 1 << 4 // Port 0 push pull mode
};
/** AW9523B Port0 LED dimmer constants: 256 step dimming range select*/
enum AW9523BLedsDim
{
DIM_MAX = 0x00,//B00, // 0~IMAX 37mA(typical)
DIM_MED = 0x01,//B01, // 0~(IMAX×3/4)
DIM_LOW = 0x02,//B10, // 0~(IMAX×2/4)
DIM_MIN = 0x03,//B11, // 0~(IMAX×1/4)
};
/** AW9523B LED dimm current control registers*/
enum AW9523BLedDimCtrl
{
P1_0 = 0x20, // DIM0
P1_1 = 0x21, // DIM1
P1_2 = 0x22, // DIM2
P1_3 = 0x23, // DIM3
P0_0 = 0x24, // DIM4
P0_1 = 0x25, // DIM5
P0_2 = 0x26, // DIM6
P0_3 = 0x27, // DIM7
P0_4 = 0x28, // DIM8
P0_5 = 0x29, // DIM9
P0_6 = 0x2A, // DIM10
P0_7 = 0x2B, // DIM11
P1_4 = 0x2C, // DIM12
P1_5 = 0x2D, // DIM13
P1_6 = 0x2E, // DIM14
P1_7 = 0x2F, // DIM15
};
// Uncomment to enable debug messages
//#define AW9523B_DEBUG
// Define where debug output will be printed
#define DEBUG_PRINTER Serial
// Setup debug printing macros
#ifdef AW9523B_DEBUG
#define DEBUG_PRINT(...) \
{ \
DEBUG_PRINTER.print(__VA_ARGS__); \
}
#define DEBUG_PRINTLN(...) \
{ \
DEBUG_PRINTER.println(__VA_ARGS__); \
}
#else
#define DEBUG_PRINT(...) \
{ \
}
#define DEBUG_PRINTLN(...) \
{ \
}
#endif
/**************************************************************************/
/*!
@brief AW9523B I2C 16bit GPIO expander and LED driver
*/
/**************************************************************************/
class AW9523B
{
public:
#ifdef STM32
AW9523B(uint8_t address, I2C_HandleTypeDef _i2c_handle); //AD[1:0] address offset
#else
AW9523B(uint8_t address, int _i2c_num); //AD[1:0] address offset
#endif
bool begin();
void configInOut(AW9523BPort port, uint8_t inout);
void configLedGPIO(AW9523BPort port, uint8_t ledGpio);
void setPort0Mode(AW9523BPortMode mode);
void setLedsDim(AW9523BLedsDim value);
void setLed(AW9523BLedDimCtrl led, uint8_t value);
void portIn(AW9523BPort port);
void portOut(AW9523BPort port);
uint8_t read();
uint8_t read(AW9523BPort port);
uint8_t write(uint8_t data);
uint8_t write(AW9523BPort port, uint8_t data);
void reset();
void scanAllAddress(void);
private:
uint8_t writeI2C(uint8_t reg, uint8_t val);
uint8_t readI2C(uint8_t reg);
uint8_t _addr;
uint8_t _portIn = AW9523B_P0_IN_STATE;
uint8_t _portOut = AW9523B_P0_OUT_STATE;
AW9523BPortMode portMode = OPEN_DRAIN;
AW9523BLedsDim ledsDim = DIM_MAX;
#ifdef STM32
I2C_HandleTypeDef i2c_handle;//Michi
#else
/*i2c_port_t*/int i2c_num;
#endif
};
#endif // _AW9523B_H_
|
