i2cmux4  2.0.0.0
i2cmux4.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 I2CMUX4_H
36 #define I2CMUX4_H
37 
38 #include "mikrosdk_version.h"
39 
40 #ifdef __GNUC__
41 #if mikroSDK_GET_VERSION < 20800ul
42 #include "rcu_delays.h"
43 #else
44 #include "delays.h"
45 #endif
46 #endif
47 
48 #include "drv_digital_out.h"
49 #include "drv_digital_in.h"
50 #include "drv_i2c_master.h"
51 
52 // -------------------------------------------------------------- PUBLIC MACROS
62 #define I2CMUX4_MAP_MIKROBUS( cfg, mikrobus ) \
63  cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
64  cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
65  cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST ); \
66  cfg.int_pin = MIKROBUS( mikrobus, MIKROBUS_INT )
67 
73 #define I2CMUX4_RETVAL uint8_t
74 
75 #define I2CMUX4_OK 0x00
76 #define I2CMUX4_INIT_ERROR 0xFF
77 
83 #define I2CMUX4_I2C_SLAVE_ADDRESS_0 0x70
84 #define I2CMUX4_I2C_SLAVE_ADDRESS_1 0x71
85 #define I2CMUX4_I2C_SLAVE_ADDRESS_2 0x72
86 #define I2CMUX4_I2C_SLAVE_ADDRESS_3 0x73
87 
93 #define I2CMUX4_ENABLE_POWER_OFF 0x00
94 #define I2CMUX4_ENABLE_POWER_ON 0x01
95 
101 #define I2CMUX4_SEL_CH_ALL_DISABLE 0x00
102 #define I2CMUX4_SEL_CH_0 0x01
103 #define I2CMUX4_SEL_CH_1 0x02
104 
110 #define I2CMUX4_INTERRUPT_CH_0 0x10
111 #define I2CMUX4_INTERRUPT_CH_1 0x20
112 #define I2CMUX4_INTERRUPT_BIT_MASK 0x30
113  // End group macro
116 // --------------------------------------------------------------- PUBLIC TYPES
125 typedef struct
126 {
127  // Output pins
128 
129  digital_out_t rst;
130 
131  // Input pins
132 
133  digital_in_t int_pin;
134 
135  // Modules
136 
137  i2c_master_t i2c;
138 
139  // ctx variable
140 
141  uint8_t slave_address;
142  uint8_t rmt_slave_addr;
143 
144 } i2cmux4_t;
145 
149 typedef struct
150 {
151  // Communication gpio pins
152 
153  pin_name_t scl;
154  pin_name_t sda;
155 
156  // Additional gpio pins
157 
158  pin_name_t rst;
159  pin_name_t int_pin;
160 
161  // static variable
162 
163  uint32_t i2c_speed;
164  uint8_t i2c_address;
165 
166 } i2cmux4_cfg_t;
167  // End types group
169 // ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
170 
176 #ifdef __cplusplus
177 extern "C"{
178 #endif
179 
189 
198 
209 void i2cmux4_generic_write ( i2cmux4_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
210 
222 void i2cmux4_generic_read ( i2cmux4_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
223 
232 void i2cmux4_power_on ( i2cmux4_t *ctx, uint8_t enable );
233 
245 
257 void i2cmux4_write_cmd ( i2cmux4_t *ctx, uint8_t cmd_data );
258 
271 uint8_t i2cmux4_read_cmd ( i2cmux4_t *ctx );
272 
293 void i2cmux4_set_channel ( i2cmux4_t *ctx, uint8_t sel_ch, uint8_t ch_slave_addr );
294 
307 
326 void i2cmux4_rmt_write_bytes ( i2cmux4_t *ctx, uint8_t reg, uint8_t *p_tx_data, uint8_t n_bytes );
327 
346 void i2cmux4_rmt_read_bytes ( i2cmux4_t *ctx, uint8_t reg, uint8_t *p_rx_data, uint8_t n_bytes );
347 
359 uint8_t i2cmux4_check_int ( i2cmux4_t *ctx );
360 
361 #ifdef __cplusplus
362 }
363 #endif
364 #endif // _I2CMUX4_H_
365  // End public_function group
368 
369 // ------------------------------------------------------------------------- END
i2cmux4_t::rmt_slave_addr
uint8_t rmt_slave_addr
Definition: i2cmux4.h:142
I2CMUX4_RETVAL
#define I2CMUX4_RETVAL
Definition: i2cmux4.h:73
i2cmux4_t::rst
digital_out_t rst
Definition: i2cmux4.h:129
i2cmux4_write_cmd
void i2cmux4_write_cmd(i2cmux4_t *ctx, uint8_t cmd_data)
Write command function.
i2cmux4_cfg_t::scl
pin_name_t scl
Definition: i2cmux4.h:153
i2cmux4_cfg_t::i2c_address
uint8_t i2c_address
Definition: i2cmux4.h:164
i2cmux4_t::int_pin
digital_in_t int_pin
Definition: i2cmux4.h:133
i2cmux4_set_channel
void i2cmux4_set_channel(i2cmux4_t *ctx, uint8_t sel_ch, uint8_t ch_slave_addr)
Set channel function.
i2cmux4_t::slave_address
uint8_t slave_address
Definition: i2cmux4.h:141
i2cmux4_power_on
void i2cmux4_power_on(i2cmux4_t *ctx, uint8_t enable)
Power On function.
i2cmux4_t
Click ctx object definition.
Definition: i2cmux4.h:126
i2cmux4_cfg_setup
void i2cmux4_cfg_setup(i2cmux4_cfg_t *cfg)
Config Object Initialization function.
i2cmux4_hw_reset
void i2cmux4_hw_reset(i2cmux4_t *ctx)
Hardware reset function.
i2cmux4_cfg_t::int_pin
pin_name_t int_pin
Definition: i2cmux4.h:159
i2cmux4_read_cmd
uint8_t i2cmux4_read_cmd(i2cmux4_t *ctx)
Read command function.
i2cmux4_rmt_read_bytes
void i2cmux4_rmt_read_bytes(i2cmux4_t *ctx, uint8_t reg, uint8_t *p_rx_data, uint8_t n_bytes)
Generic read data function.
i2cmux4_cfg_t::rst
pin_name_t rst
Definition: i2cmux4.h:158
i2cmux4_generic_write
void i2cmux4_generic_write(i2cmux4_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
Generic write function.
i2cmux4_check_int
uint8_t i2cmux4_check_int(i2cmux4_t *ctx)
Check interrupt function.
i2cmux4_cfg_t::i2c_speed
uint32_t i2c_speed
Definition: i2cmux4.h:163
i2cmux4_get_ch_interrupt
uint8_t i2cmux4_get_ch_interrupt(i2cmux4_t *ctx)
Get channel interrupt function.
i2cmux4_rmt_write_bytes
void i2cmux4_rmt_write_bytes(i2cmux4_t *ctx, uint8_t reg, uint8_t *p_tx_data, uint8_t n_bytes)
Generic rmt write data function.
i2cmux4_cfg_t::sda
pin_name_t sda
Definition: i2cmux4.h:154
i2cmux4_generic_read
void i2cmux4_generic_read(i2cmux4_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
Generic read function.
i2cmux4_cfg_t
Click configuration structure definition.
Definition: i2cmux4.h:150
i2cmux4_init
I2CMUX4_RETVAL i2cmux4_init(i2cmux4_t *ctx, i2cmux4_cfg_t *cfg)
Initialization function.
i2cmux4_t::i2c
i2c_master_t i2c
Definition: i2cmux4.h:137