i2cmux3  2.0.0.0
i2cmux3.h
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1 /*
2  * MikroSDK - MikroE Software Development Kit
3  * Copyright© 2020 MikroElektronika d.o.o.
4  *
5  * Permission is hereby granted, free of charge, to any person
6  * obtaining a copy of this software and associated documentation
7  * files (the "Software"), to deal in the Software without restriction,
8  * including without limitation the rights to use, copy, modify, merge,
9  * publish, distribute, sublicense, and/or sell copies of the Software,
10  * and to permit persons to whom the Software is furnished to do so,
11  * subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
22  * OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
33 // ----------------------------------------------------------------------------
34 
35 #ifndef I2CMUX3_H
36 #define I2CMUX3_H
37 
42 #ifdef PREINIT_SUPPORTED
43 #include "preinit.h"
44 #endif
45 
46 #ifdef MikroCCoreVersion
47  #if MikroCCoreVersion >= 1
48  #include "delays.h"
49  #endif
50 #endif
51 
52 #include "drv_digital_out.h"
53 #include "drv_digital_in.h"
54 #include "drv_i2c_master.h"
55 
56 // -------------------------------------------------------------- PUBLIC MACROS
66 #define I2CMUX3_MAP_MIKROBUS( cfg, mikrobus ) \
67  cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
68  cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
69  cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST )
70 
76 #define I2CMUX3_RETVAL uint8_t
77 
78 #define I2CMUX3_OK 0x00
79 #define I2CMUX3_INIT_ERROR 0xFF
80 
86 #define I2CMUX3_DEV_ADR_0 0x70
87 #define I2CMUX3_DEV_ADR_1 0x71
88 #define I2CMUX3_DEV_ADR_2 0x72
89 #define I2CMUX3_DEV_ADR_3 0x73
90 #define I2CMUX3_DEV_ADR_4 0x74
91 #define I2CMUX3_DEV_ADR_5 0x75
92 #define I2CMUX3_DEV_ADR_6 0x76
93 #define I2CMUX3_DEV_ADR_7 0x77
94 
100 #define I2CMUX3_DIS_ALL_CH 0x00
101 #define I2CMUX3_SEL_CH_0 0x01
102 #define I2CMUX3_SEL_CH_1 0x02
103 #define I2CMUX3_SEL_CH_2 0x04
104 #define I2CMUX3_SEL_CH_3 0x08
105 #define I2CMUX3_SEL_CH_4 0x10
106 #define I2CMUX3_SEL_CH_5 0x20
107 #define I2CMUX3_SEL_CH_6 0x40
108 #define I2CMUX3_SEL_CH_7 0x80
109 
115 #define I2CMUX3_DEV_DIS 0x00
116 #define I2CMUX3_DEV_EN 0x01
117  // End group macro
120 // --------------------------------------------------------------- PUBLIC TYPES
129 typedef struct
130 {
131  // Output pins
132 
133  digital_out_t rst;
134 
135  // Modules
136 
137  i2c_master_t i2c;
138 
139  // ctx variable
140 
141  uint8_t slave_address;
142 
143 } i2cmux3_t;
144 
148 typedef struct
149 {
150  // Communication gpio pins
151 
152  pin_name_t scl;
153  pin_name_t sda;
154 
155  // Additional gpio pins
156 
157  pin_name_t rst;
158 
159  // static variable
160 
161  uint32_t i2c_speed;
162  uint8_t i2c_address;
163 
164 } i2cmux3_cfg_t;
165  // End types group
167 // ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
168 
174 #ifdef __cplusplus
175 extern "C"{
176 #endif
177 
187 
196 
207 void i2cmux3_generic_write ( i2cmux3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
208 
220 void i2cmux3_generic_read ( i2cmux3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
221 
230 void i2cmux3_write_ctl ( i2cmux3_t *ctx, uint8_t wr_data );
231 
241 uint8_t i2cmux3_read_ctl ( i2cmux3_t *ctx );
242 
253 void i2cmux3_ch_sel ( i2cmux3_t *ctx, uint8_t sel_ch );
254 
268 void i2cmux3_wr_slv ( i2cmux3_t *ctx, uint8_t slv_sel_adr, uint8_t reg, uint8_t *p_wr_data,
269  uint8_t n_bytes );
270 
284 void i2cmux3_rd_slv ( i2cmux3_t *ctx, uint8_t slv_sel_adr, uint8_t reg, uint8_t *p_rd_data,
285  uint8_t n_bytes );
286 
297 void i2cmux3_dev_enable ( i2cmux3_t *ctx, uint8_t stat );
298 
307 void i2cmux3_hw_rst ( i2cmux3_t *ctx );
308 
309 #ifdef __cplusplus
310 }
311 #endif
312 #endif // _I2CMUX3_H_
313  // End public_function group
316 
317 // ------------------------------------------------------------------------- END
i2cmux3_generic_write
void i2cmux3_generic_write(i2cmux3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
Generic write function.
i2cmux3_init
I2CMUX3_RETVAL i2cmux3_init(i2cmux3_t *ctx, i2cmux3_cfg_t *cfg)
Initialization function.
i2cmux3_dev_enable
void i2cmux3_dev_enable(i2cmux3_t *ctx, uint8_t stat)
Device enable function.
i2cmux3_write_ctl
void i2cmux3_write_ctl(i2cmux3_t *ctx, uint8_t wr_data)
Write Control Register function.
i2cmux3_cfg_t::i2c_address
uint8_t i2c_address
Definition: i2cmux3.h:162
i2cmux3_t::rst
digital_out_t rst
Definition: i2cmux3.h:133
i2cmux3_cfg_t::i2c_speed
uint32_t i2c_speed
Definition: i2cmux3.h:161
i2cmux3_hw_rst
void i2cmux3_hw_rst(i2cmux3_t *ctx)
Hardware reset function.
i2cmux3_t::i2c
i2c_master_t i2c
Definition: i2cmux3.h:137
i2cmux3_wr_slv
void i2cmux3_wr_slv(i2cmux3_t *ctx, uint8_t slv_sel_adr, uint8_t reg, uint8_t *p_wr_data, uint8_t n_bytes)
Slave Device Write function.
I2CMUX3_RETVAL
#define I2CMUX3_RETVAL
Definition: i2cmux3.h:76
i2cmux3_generic_read
void i2cmux3_generic_read(i2cmux3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
Generic read function.
i2cmux3_cfg_t::rst
pin_name_t rst
Definition: i2cmux3.h:157
i2cmux3_rd_slv
void i2cmux3_rd_slv(i2cmux3_t *ctx, uint8_t slv_sel_adr, uint8_t reg, uint8_t *p_rd_data, uint8_t n_bytes)
Slave Device Read function.
i2cmux3_cfg_t::scl
pin_name_t scl
Definition: i2cmux3.h:152
i2cmux3_t
Click ctx object definition.
Definition: i2cmux3.h:130
i2cmux3_cfg_setup
void i2cmux3_cfg_setup(i2cmux3_cfg_t *cfg)
Config Object Initialization function.
i2cmux3_read_ctl
uint8_t i2cmux3_read_ctl(i2cmux3_t *ctx)
Read Control Register function.
i2cmux3_cfg_t::sda
pin_name_t sda
Definition: i2cmux3.h:153
i2cmux3_ch_sel
void i2cmux3_ch_sel(i2cmux3_t *ctx, uint8_t sel_ch)
Select Channel function.
i2cmux3_cfg_t
Click configuration structure definition.
Definition: i2cmux3.h:149
i2cmux3_t::slave_address
uint8_t slave_address
Definition: i2cmux3.h:141