pot4  2.1.0.0
pot4.h
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22 
28 #ifndef POT4_H
29 #define POT4_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_analog_in.h"
52 #include "drv_i2c_master.h"
53 
74 #define POT4_PERCENTS 100
75 #define POT4_ROUND_TO_NEAREST_INT 0.5
76 
81 #define POT4_ADC_RESOLUTION 0x0FFF
82 #define POT4_VREF_3V3 3.3
83 #define POT4_VREF_5V 5.0
84 
90 #define POT4_SET_DEV_ADDR 0x4D
91  // pot4_set
93 
108 #define POT4_MAP_MIKROBUS( cfg, mikrobus ) \
109  cfg.an = MIKROBUS( mikrobus, MIKROBUS_AN ); \
110  cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
111  cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
112  cfg.sw = MIKROBUS( mikrobus, MIKROBUS_INT )
113  // pot4_map // pot4
116 
121 typedef enum
122 {
127 
132 typedef struct
133 {
134  digital_in_t sw;
136  analog_in_t adc;
137  i2c_master_t i2c;
139  uint8_t slave_address;
140  pin_name_t chip_select;
141  float vref;
144 } pot4_t;
145 
150 typedef struct
151 {
152  pin_name_t an;
153  pin_name_t scl;
154  pin_name_t sda;
155  pin_name_t sw;
157  analog_in_resolution_t resolution;
158  float vref;
160  uint32_t i2c_speed;
161  uint8_t i2c_address;
165 } pot4_cfg_t;
166 
171 typedef enum
172 {
173  POT4_OK = 0,
174  POT4_ERROR = -1
175 
177 
194 
210 
224 err_t pot4_init ( pot4_t *ctx, pot4_cfg_t *cfg );
225 
237 err_t pot4_read_raw_adc ( pot4_t *ctx, uint16_t *raw_adc );
238 
250 err_t pot4_read_voltage ( pot4_t *ctx, float *voltage );
251 
263 err_t pot4_set_vref ( pot4_t *ctx, float vref );
264 
273 uint8_t pot4_get_switch_pin ( pot4_t *ctx );
274 
283 uint8_t pot4_convert_voltage_to_percents ( pot4_t *ctx, float voltage );
284 
285 #ifdef __cplusplus
286 }
287 #endif
288 #endif // POT4_H
289  // pot4
291 
292 // ------------------------------------------------------------------------ END
pot4_read_voltage
err_t pot4_read_voltage(pot4_t *ctx, float *voltage)
POT 4 read voltage level function.
POT4_ERROR
@ POT4_ERROR
Definition: pot4.h:174
pot4_cfg_t::resolution
analog_in_resolution_t resolution
Definition: pot4.h:157
pot4_cfg_t::vref
float vref
Definition: pot4.h:158
pot4_get_switch_pin
uint8_t pot4_get_switch_pin(pot4_t *ctx)
POT 4 get switch pin function.
pot4_t::i2c
i2c_master_t i2c
Definition: pot4.h:137
pot4_cfg_t::an
pin_name_t an
Definition: pot4.h:152
pot4_cfg_setup
void pot4_cfg_setup(pot4_cfg_t *cfg)
POT 4 configuration object setup function.
pot4_init
err_t pot4_init(pot4_t *ctx, pot4_cfg_t *cfg)
POT 4 initialization function.
pot4_t::chip_select
pin_name_t chip_select
Definition: pot4.h:140
pot4_cfg_t::scl
pin_name_t scl
Definition: pot4.h:153
pot4_t::adc
analog_in_t adc
Definition: pot4.h:136
POT4_DRV_SEL_ADC
@ POT4_DRV_SEL_ADC
Definition: pot4.h:123
pot4_cfg_t::sw
pin_name_t sw
Definition: pot4.h:155
pot4_cfg_t::drv_sel
pot4_drv_t drv_sel
Definition: pot4.h:163
pot4_cfg_t::i2c_speed
uint32_t i2c_speed
Definition: pot4.h:160
pot4_t::drv_sel
pot4_drv_t drv_sel
Definition: pot4.h:142
pot4_read_raw_adc
err_t pot4_read_raw_adc(pot4_t *ctx, uint16_t *raw_adc)
POT 4 read raw ADC value function.
pot4_t::slave_address
uint8_t slave_address
Definition: pot4.h:139
pot4_cfg_t
POT 4 Click configuration object.
Definition: pot4.h:151
pot4_set_vref
err_t pot4_set_vref(pot4_t *ctx, float vref)
POT 4 set vref function.
pot4_drv_t
pot4_drv_t
POT 4 Click driver selector.
Definition: pot4.h:122
pot4_drv_interface_selection
void pot4_drv_interface_selection(pot4_cfg_t *cfg, pot4_drv_t drv_sel)
POT 4 driver interface setup function.
pot4_t
POT 4 Click context object.
Definition: pot4.h:133
pot4_cfg_t::sda
pin_name_t sda
Definition: pot4.h:154
pot4_return_value_t
pot4_return_value_t
POT 4 Click return value data.
Definition: pot4.h:172
pot4_cfg_t::i2c_address
uint8_t i2c_address
Definition: pot4.h:161
pot4_convert_voltage_to_percents
uint8_t pot4_convert_voltage_to_percents(pot4_t *ctx, float voltage)
POT 4 convert voltage to percents function.
pot4_t::vref
float vref
Definition: pot4.h:141
pot4_t::sw
digital_in_t sw
Definition: pot4.h:134
POT4_OK
@ POT4_OK
Definition: pot4.h:173
POT4_DRV_SEL_I2C
@ POT4_DRV_SEL_I2C
Definition: pot4.h:124