adc3  2.0.0.0
adc3.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:
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13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
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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.
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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.
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24 
33 // ----------------------------------------------------------------------------
34 
35 #ifndef ADC3_H
36 #define ADC3_H
37 
42 #ifdef PREINIT_SUPPORTED
43 #include "preinit.h"
44 #endif
45 
46 #ifdef MikroCCoreVersion
47  #if MikroCCoreVersion >= 1
48  #include "delays.h"
49  #endif
50 #endif
51 
52 #include "drv_digital_out.h"
53 #include "drv_digital_in.h"
54 #include "drv_i2c_master.h"
55 
56 // -------------------------------------------------------------- PUBLIC MACROS
66 #define ADC3_MAP_MIKROBUS( cfg, mikrobus ) \
67  cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
68  cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA )
69 
75 #define ADC3_RETVAL uint8_t
76 
77 #define ADC3_OK 0x00
78 #define ADC3_INIT_ERROR 0xFF
79 
85 #define ADC3_I2C_SLAVE_ADDR 0x68
86 
92 #define ADC3_CFG_REG 0x00
93 
98 #define ADC3_PGA_GAIN_X1 0x00
99 #define ADC3_PGA_GAIN_X2 0x01
100 #define ADC3_PGA_GAIN_X4 0x02
101 #define ADC3_PGA_GAIN_X8 0x03
102 
107 #define ADC3_SAMPLE_RATE_12 0x00
108 #define ADC3_SAMPLE_RATE_14 0x04
109 #define ADC3_SAMPLE_RATE_16 0x08
110 
115 #define ADC3_CONV_ONE_SHOT 0x00
116 #define ADC3_CONV_CONTINOUS 0x10
117 
122 #define ADC3_SELECT_CHANNEL_1 0x00
123 #define ADC3_SELECT_CHANNEL_2 0x20
124 #define ADC3_SELECT_CHANNEL_3 0x40
125 #define ADC3_SELECT_CHANNEL_4 0x60
126 
131 #define ADC3_DATA_START_VALUE 0
132 #define ADC3_DATA_RESOL_RATE_12 0x0F
133 #define ADC3_DATA_RESULT_RATE_12 0x07FF
134 #define ADC3_DATA_RESOL_RATE_14 0x3F
135 #define ADC3_DATA_RESULT_RATE_14 0x1FFF
136 #define ADC3_DATA_RESOL_RATE_16 0xFF
137 #define ADC3_DATA_RESULT_RATE_16 0x7FFF
138 
144 #define ADC3_RDY_SET 0x80
145 #define ADC3_RDY_CLEAR 0x00
146 
151 #define ADC3_GENERAL_CALL_RESET 0x06
152 #define ADC3_GENERAL_CALL_LATCH 0x04
153 #define ADC3_GENERAL_CALL_CONVERSION 0x08
154  // End group macro
157 
158 // --------------------------------------------------------------- PUBLIC TYPES
167 typedef struct
168 {
169  // Modules
170 
171  i2c_master_t i2c;
172 
173  // ctx variable
174 
175  uint8_t slave_address;
176 
177 } adc3_t;
178 
182 typedef struct
183 {
184  // Communication gpio pins
185 
186  pin_name_t scl;
187  pin_name_t sda;
188 
189  // static variable
190 
191  uint32_t i2c_speed;
192  uint8_t i2c_address;
193 
194 } adc3_cfg_t;
195  // End types group
197 // ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
198 
204 #ifdef __cplusplus
205 extern "C"{
206 #endif
207 
217 
227 
235 void adc3_default_cfg ( adc3_t *ctx );
236 
247 void adc3_generic_write ( adc3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
248 
259 void adc3_generic_read ( adc3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
260 
269 void adc3_reset ( adc3_t *ctx );
270 
279 void adc3_latch ( adc3_t *ctx );
280 
290 void adc3_conversion ( adc3_t *ctx );
291 
305 int16_t adc3_read_measurement ( adc3_t *ctx, uint8_t channel, uint8_t resolution, uint8_t gain );
306 
320 float adc3_read_voltage ( adc3_t *ctx, uint8_t channel, uint8_t resolution, uint8_t gain );
321 
322 #ifdef __cplusplus
323 }
324 #endif
325 #endif // _ADC3_H_
326  // End public_function group
329 
330 // ------------------------------------------------------------------------- END
adc3_init
ADC3_RETVAL adc3_init(adc3_t *ctx, adc3_cfg_t *cfg)
Initialization function.
adc3_cfg_setup
void adc3_cfg_setup(adc3_cfg_t *cfg)
Config Object Initialization function.
adc3_cfg_t::i2c_address
uint8_t i2c_address
Definition: adc3.h:192
adc3_conversion
void adc3_conversion(adc3_t *ctx)
General call conversion function.
adc3_cfg_t::scl
pin_name_t scl
Definition: adc3.h:186
adc3_cfg_t::sda
pin_name_t sda
Definition: adc3.h:187
adc3_latch
void adc3_latch(adc3_t *ctx)
General call latch function.
ADC3_RETVAL
#define ADC3_RETVAL
Definition: adc3.h:75
adc3_t::i2c
i2c_master_t i2c
Definition: adc3.h:171
adc3_cfg_t::i2c_speed
uint32_t i2c_speed
Definition: adc3.h:191
adc3_default_cfg
void adc3_default_cfg(adc3_t *ctx)
Click Default Configuration function.
adc3_read_measurement
int16_t adc3_read_measurement(adc3_t *ctx, uint8_t channel, uint8_t resolution, uint8_t gain)
ADC3 read measurement function.
adc3_t
Click ctx object definition.
Definition: adc3.h:168
adc3_reset
void adc3_reset(adc3_t *ctx)
General call reset function.
adc3_cfg_t
Click configuration structure definition.
Definition: adc3.h:183
adc3_t::slave_address
uint8_t slave_address
Definition: adc3.h:175
adc3_generic_read
void adc3_generic_read(adc3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
Generic read function.
adc3_read_voltage
float adc3_read_voltage(adc3_t *ctx, uint8_t channel, uint8_t resolution, uint8_t gain)
Read voltage function.
adc3_generic_write
void adc3_generic_write(adc3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len)
Generic write function.