digipot7  2.0.0.0
digipot7.h
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22 
28 #ifndef DIGIPOT7_H
29 #define DIGIPOT7_H
30 
31 #ifdef __cplusplus
32 extern "C"{
33 #endif
34 
39 #ifdef PREINIT_SUPPORTED
40 #include "preinit.h"
41 #endif
42 
43 #ifdef MikroCCoreVersion
44  #if MikroCCoreVersion >= 1
45  #include "delays.h"
46  #endif
47 #endif
48 
49 #include "drv_digital_out.h"
50 #include "drv_digital_in.h"
51 #include "drv_i2c_master.h"
52 
78 #define DIGIPOT7_COMMAND_NOP 0x00
79 #define DIGIPOT7_COMMAND_WRITE_RDAC 0x04
80 #define DIGIPOT7_COMMAND_READ_RDAC 0x08
81 #define DIGIPOT7_COMMAND_STORE_WIPER 0x0C
82 #define DIGIPOT7_COMMAND_SW_RESET 0x10
83 #define DIGIPOT7_COMMAND_READ_50TP 0x14
84 #define DIGIPOT7_COMMAND_READ_MEMORY 0x18
85 #define DIGIPOT7_COMMAND_WRITE_MEMORY 0x1C
86 #define DIGIPOT7_COMMAND_READ_CONTROL 0x20
87 #define DIGIPOT7_COMMAND_SW_SHUTDOWN 0x24
88 
93 #define DIGIPOT7_SHUTDOWN_BIT_MASK 0x01
94 #define DIGIPOT7_NORMAL_MODE 0x00
95 #define DIGIPOT7_SHUTDOWN_MODE 0x01
96 
101 #define DIGIPOT7_CTRL_REG_BIT_MASK 0x0B
102 #define DIGIPOT7_FUSE_PROGRAM_SUCCESSFUL 0x00
103 #define DIGIPOT7_FUSE_PROGRAM_UNSUCCESSFUL 0x08
104 #define DIGIPOT7_WIPER_POS_FROZEN 0x00
105 #define DIGIPOT7_UPDATE_WIPER_POS 0x02
106 #define DIGIPOT7_50T_PROGRAM_DISABLED 0x00
107 #define DIGIPOT7_50T_PROGRAM_ENABLE 0x01
108 
113 #define DIGIPOT7_10_BIT 0x03FF
114 #define DIGIPOT7_DUMMY 0x0000
115 
121 #define DIGIPOT7_I2C_SLAVE_ADDRESS_GND 0x2F
122 #define DIGIPOT7_I2C_SLAVE_ADDRESS_VCC 0x2C
123 #define DIGIPOT7_I2C_SLAVE_ADDRESS_NC 0x2E
124  // digipot7_set
126 
141 #define DIGIPOT7_MAP_MIKROBUS( cfg, mikrobus ) \
142  cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
143  cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
144  cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST )
145  // digipot7_map // digipot7
148 
153 typedef struct
154 {
155  // Output pins
156  digital_out_t rst;
158  // Modules
159  i2c_master_t i2c;
161  // I2C slave address
162  uint8_t slave_address;
164 } digipot7_t;
165 
170 typedef struct
171 {
172  pin_name_t scl;
173  pin_name_t sda;
175  pin_name_t rst;
177  uint32_t i2c_speed;
178  uint8_t i2c_address;
181 
186 typedef enum
187 {
189  DIGIPOT7_ERROR = -1
190 
192 
211 
227 
239 void digipot7_generic_write ( digipot7_t *ctx, uint8_t cmd, uint16_t data_byte );
240 
253 uint16_t digipot7_generic_read ( digipot7_t *ctx, uint8_t cmd, uint8_t wiper_pos );
254 
266 
278 
290 uint16_t digipot7_read_rdac ( digipot7_t *ctx );
291 
304 void digipot7_write_rdac ( digipot7_t *ctx, uint16_t rdac_data );
305 
320 err_t digipot7_set_resistance ( digipot7_t *ctx, uint16_t res_ohm );
321 
333 
345 
357 void digipot7_operating_mode ( digipot7_t *ctx, uint8_t mode );
358 
370 uint16_t digipot7_next_frame_read ( digipot7_t *ctx, uint8_t wiper_location );
371 
384 
396 
397 #ifdef __cplusplus
398 }
399 #endif
400 #endif // DIGIPOT7_H
401  // digipot7
403 
404 // ------------------------------------------------------------------------ END
digipot7_hw_reset
void digipot7_hw_reset(digipot7_t *ctx)
Hardware reset function.
digipot7_cfg_t::i2c_speed
uint32_t i2c_speed
Definition: digipot7.h:177
digipot7_next_frame_read
uint16_t digipot7_next_frame_read(digipot7_t *ctx, uint8_t wiper_location)
Next frame read function.
digipot7_cfg_setup
void digipot7_cfg_setup(digipot7_cfg_t *cfg)
DIGI POT 7 configuration object setup function.
digipot7_cfg_t::rst
pin_name_t rst
Definition: digipot7.h:175
digipot7_sw_reset
void digipot7_sw_reset(digipot7_t *ctx)
Software reset function.
digipot7_read_control
uint8_t digipot7_read_control(digipot7_t *ctx)
Read control register function.
digipot7_enable_write
void digipot7_enable_write(digipot7_t *ctx)
Enable write function.
digipot7_cfg_t
DIGI POT 7 Click configuration object.
Definition: digipot7.h:171
digipot7_generic_write
void digipot7_generic_write(digipot7_t *ctx, uint8_t cmd, uint16_t data_byte)
DIGI POT 7 I2C writing function.
digipot7_t
DIGI POT 7 Click context object.
Definition: digipot7.h:154
digipot7_t::i2c
i2c_master_t i2c
Definition: digipot7.h:159
digipot7_cfg_t::sda
pin_name_t sda
Definition: digipot7.h:173
digipot7_init
err_t digipot7_init(digipot7_t *ctx, digipot7_cfg_t *cfg)
DIGI POT 7 initialization function.
DIGIPOT7_OK
@ DIGIPOT7_OK
Definition: digipot7.h:188
digipot7_operating_mode
void digipot7_operating_mode(digipot7_t *ctx, uint8_t mode)
Set operating mode function.
digipot7_write_rdac
void digipot7_write_rdac(digipot7_t *ctx, uint16_t rdac_data)
Write RDAC function.
digipot7_t::rst
digital_out_t rst
Definition: digipot7.h:156
DIGIPOT7_ERROR
@ DIGIPOT7_ERROR
Definition: digipot7.h:189
digipot7_return_value_t
digipot7_return_value_t
DIGI POT 7 Click return value data.
Definition: digipot7.h:187
digipot7_read_rdac
uint16_t digipot7_read_rdac(digipot7_t *ctx)
Read RDAC function.
digipot7_set_resistance
err_t digipot7_set_resistance(digipot7_t *ctx, uint16_t res_ohm)
Set resistance function.
digipot7_t::slave_address
uint8_t slave_address
Definition: digipot7.h:162
digipot7_generic_read
uint16_t digipot7_generic_read(digipot7_t *ctx, uint8_t cmd, uint8_t wiper_pos)
DIGI POT 7 I2C reading function.
digipot7_store_wiper
void digipot7_store_wiper(digipot7_t *ctx)
Store wiper setting function.
digipot7_cfg_t::i2c_address
uint8_t i2c_address
Definition: digipot7.h:178
digipot7_cfg_t::scl
pin_name_t scl
Definition: digipot7.h:172
digipot7_read_memory
uint16_t digipot7_read_memory(digipot7_t *ctx)
Read memory function.