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38 #include "drv_digital_out.h"
39 #include "drv_spi_master.h"
52 #define DIGIPOT_MAP_MIKROBUS( cfg, mikrobus ) \
53 cfg.miso = MIKROBUS( mikrobus, MIKROBUS_MISO ); \
54 cfg.mosi = MIKROBUS( mikrobus, MIKROBUS_MOSI ); \
55 cfg.sck = MIKROBUS( mikrobus, MIKROBUS_SCK ); \
56 cfg.cs = MIKROBUS( mikrobus, MIKROBUS_CS )
63 #define DIGIPOT_RETVAL uint8_t
65 #define DIGIPOT_OK 0x00
66 #define DIGIPOT_INIT_ERROR 0xFF
73 #define DIGIPOT_VOLATILE_WIPER_0 0x00
74 #define DIGIPOT_VOLATILE_WIPER_1 0x01
75 #define DIGIPOT_NON_VOLATILE_WIPER_0 0x02
76 #define DIGIPOT_NON_VOLATILE_WIPER_1 0x03
77 #define DIGIPOT_VOLATILE_TCON_REGISTER 0x04
78 #define DIGIPOT_STATUS_REGISTER 0x05
85 #define DIGIPOT_DATA_EEPROM_6 0x06
86 #define DIGIPOT_DATA_EEPROM_7 0x07
87 #define DIGIPOT_DATA_EEPROM_8 0x08
88 #define DIGIPOT_DATA_EEPROM_9 0x09
89 #define DIGIPOT_DATA_EEPROM_A 0x0A
90 #define DIGIPOT_DATA_EEPROM_B 0x0B
91 #define DIGIPOT_DATA_EEPROM_C 0x0C
92 #define DIGIPOT_DATA_EEPROM_D 0x0D
93 #define DIGIPOT_DATA_EEPROM_E 0x0E
94 #define DIGIPOT_DATA_EEPROM_F 0x0F
95 #define DIGIPOT_DATA_WRITE_CMD 0x20
184 uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len );
212 #endif // _DIGIPOT_H_
spi_master_t spi
Definition: digipot.h:116
pin_name_t cs
Definition: digipot.h:131
void digipot_set_wiper_positions(digipot_t *ctx, uint8_t wiper_pos)
Set wiper position.
spi_master_chip_select_polarity_t cs_polarity
Definition: digipot.h:137
Click ctx object definition.
Definition: digipot.h:108
DIGIPOT_RETVAL digipot_init(digipot_t *ctx, digipot_cfg_t *cfg)
Initialization function.
digital_out_t cs
Definition: digipot.h:112
uint8_t wiper_pos
Definition: main.c:31
float digipot_convert_output(uint16_t adc_val, float v_ref)
Convert ADC value to volatage.
void digipot_generic_transfer(digipot_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len)
Generic transfer function.
void digipot_cfg_setup(digipot_cfg_t *cfg)
Config Object Initialization function.
pin_name_t miso
Definition: digipot.h:128
pin_name_t mosi
Definition: digipot.h:129
#define DIGIPOT_RETVAL
Definition: digipot.h:63
spi_master_mode_t spi_mode
Definition: digipot.h:136
pin_name_t chip_select
Definition: digipot.h:117
pin_name_t sck
Definition: digipot.h:130
Click configuration structure definition.
Definition: digipot.h:124
uint32_t spi_speed
Definition: digipot.h:135