stepdown10  2.1.0.0
stepdown10.h
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22 
28 #ifndef STEPDOWN10_H
29 #define STEPDOWN10_H
30 
31 #ifdef __cplusplus
32 extern "C"{
33 #endif
34 
35 #include "mikrosdk_version.h"
36 
37 #ifdef __GNUC__
38 #if mikroSDK_GET_VERSION < 20800ul
39 #include "rcu_delays.h"
40 #else
41 #include "delays.h"
42 #endif
43 #endif
44 
45 #include "drv_digital_out.h"
46 #include "drv_digital_in.h"
47 #include "drv_i2c_master.h"
48 
69 #define STEPDOWN10_PFM_PWM_MODE 0x00
70 #define STEPDOWN10_FORCED_PWM_MODE 0x01
71 #define STEPDOWN10_R1_RPROG_ADDRESS 0x00
72  // stepdown10_reg
74 
89 #define STEPDOWN10_R1_VALUE 100000ul
90 #define STEPDOWN10_DIGIPOT_MAX_VALUE 100000ul
91 #define STEPDOWN10_DIGIPOT_RESOLUTION 257
92 #define STEPDOWN10_ROUND_TO_NEAREST_INT 0.5
93 #define STEPDOWN10_R13_VALUE 1000u
94 #define STEPDOWN10_MAX_OUTPUT 20
95 #define STEPDOWN10_MIN_OUTPUT 2
96 
101 #define STEPDOWN10_PIN_STATE_HIGH 0x01
102 #define STEPDOWN10_PIN_STATE_LOW 0x00
103 
109 #define STEPDOWN10_ADDR_A2A1A0_000 0x28
110 #define STEPDOWN10_ADDR_A2A1A0_001 0x29
111 #define STEPDOWN10_ADDR_A2A1A0_010 0x2A
112 #define STEPDOWN10_ADDR_A2A1A0_011 0x2B
113 #define STEPDOWN10_ADDR_A2A1A0_100 0x2C
114 #define STEPDOWN10_ADDR_A2A1A0_101 0x2D
115 #define STEPDOWN10_ADDR_A2A1A0_110 0x2E
116 #define STEPDOWN10_ADDR_A2A1A0_111 0x2F
117  // stepdown10_set
119 
134 #define STEPDOWN10_MAP_MIKROBUS( cfg, mikrobus ) \
135  cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
136  cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
137  cfg.en = MIKROBUS( mikrobus, MIKROBUS_RST ); \
138  cfg.md = MIKROBUS( mikrobus, MIKROBUS_PWM ); \
139  cfg.pg = MIKROBUS( mikrobus, MIKROBUS_INT )
140  // stepdown10_map // stepdown10
143 
148 typedef struct
149 {
150  // Output pins
151  digital_out_t en;
152  digital_out_t md;
154  // Input pins
155  digital_in_t pg;
157  // Modules
158  i2c_master_t i2c;
160  // I2C slave address
161  uint8_t slave_address;
163 } stepdown10_t;
164 
169 typedef struct
170 {
171  pin_name_t scl;
172  pin_name_t sda;
174  pin_name_t en;
175  pin_name_t md;
176  pin_name_t pg;
178  uint32_t i2c_speed;
179  uint8_t i2c_address;
182 
187 typedef enum
188 {
190  STEPDOWN10_ERROR = -1
191 
193 
210 
225 
239 
254 err_t stepdown10_generic_write ( stepdown10_t *ctx, uint8_t reg, uint8_t *data_in, uint8_t len );
255 
270 err_t stepdown10_generic_read ( stepdown10_t *ctx, uint8_t reg, uint8_t *data_out, uint8_t len );
271 
281 void stepdown10_set_en_pin ( stepdown10_t *ctx, uint8_t pin_state );
282 
292 void stepdown10_set_md ( stepdown10_t *ctx, uint8_t mode );
293 
303 
315 err_t stepdown10_set_wiper_pos ( stepdown10_t *ctx, uint16_t wiper_pos );
316 
328 err_t stepdown10_set_r2_resistance ( stepdown10_t *ctx, uint32_t resistance );
329 
341 err_t stepdown10_set_output ( stepdown10_t *ctx, float voltage );
342 
343 #ifdef __cplusplus
344 }
345 #endif
346 #endif // STEPDOWN10_H
347  // stepdown10
349 
350 // ------------------------------------------------------------------------ END
stepdown10_set_md
void stepdown10_set_md(stepdown10_t *ctx, uint8_t mode)
Step Down 10 mode selection function.
stepdown10_cfg_t::en
pin_name_t en
Definition: stepdown10.h:174
stepdown10_cfg_t::i2c_speed
uint32_t i2c_speed
Definition: stepdown10.h:178
stepdown10_t::pg
digital_in_t pg
Definition: stepdown10.h:155
stepdown10_default_cfg
err_t stepdown10_default_cfg(stepdown10_t *ctx)
Step Down 10 default configuration function.
stepdown10_cfg_t::md
pin_name_t md
Definition: stepdown10.h:175
stepdown10_t::md
digital_out_t md
Definition: stepdown10.h:152
stepdown10_cfg_t::sda
pin_name_t sda
Definition: stepdown10.h:172
stepdown10_cfg_t
Step Down 10 Click configuration object.
Definition: stepdown10.h:170
stepdown10_return_value_t
stepdown10_return_value_t
Step Down 10 Click return value data.
Definition: stepdown10.h:188
stepdown10_set_wiper_pos
err_t stepdown10_set_wiper_pos(stepdown10_t *ctx, uint16_t wiper_pos)
Step Down 10 set wiper position.
stepdown10_get_pg_state
uint8_t stepdown10_get_pg_state(stepdown10_t *ctx)
Step Down 10 get PG pin state function.
stepdown10_t
Step Down 10 Click context object.
Definition: stepdown10.h:149
stepdown10_set_output
err_t stepdown10_set_output(stepdown10_t *ctx, float voltage)
Step Down 10 set output voltage.
STEPDOWN10_OK
@ STEPDOWN10_OK
Definition: stepdown10.h:189
stepdown10_t::slave_address
uint8_t slave_address
Definition: stepdown10.h:161
stepdown10_generic_read
err_t stepdown10_generic_read(stepdown10_t *ctx, uint8_t reg, uint8_t *data_out, uint8_t len)
Step Down 10 I2C reading function.
STEPDOWN10_ERROR
@ STEPDOWN10_ERROR
Definition: stepdown10.h:190
stepdown10_set_r2_resistance
err_t stepdown10_set_r2_resistance(stepdown10_t *ctx, uint32_t resistance)
Step Down 10 set potentiometer resistance.
stepdown10_cfg_t::pg
pin_name_t pg
Definition: stepdown10.h:176
stepdown10_cfg_t::scl
pin_name_t scl
Definition: stepdown10.h:171
stepdown10_init
err_t stepdown10_init(stepdown10_t *ctx, stepdown10_cfg_t *cfg)
Step Down 10 initialization function.
stepdown10_set_en_pin
void stepdown10_set_en_pin(stepdown10_t *ctx, uint8_t pin_state)
Step Down 10 set EN pin state function.
stepdown10_generic_write
err_t stepdown10_generic_write(stepdown10_t *ctx, uint8_t reg, uint8_t *data_in, uint8_t len)
Step Down 10 I2C writing function.
stepdown10_cfg_t::i2c_address
uint8_t i2c_address
Definition: stepdown10.h:179
stepdown10_t::en
digital_out_t en
Definition: stepdown10.h:151
stepdown10_cfg_setup
void stepdown10_cfg_setup(stepdown10_cfg_t *cfg)
Step Down 10 configuration object setup function.
stepdown10_t::i2c
i2c_master_t i2c
Definition: stepdown10.h:158