gnss2  2.0.0.0
gnss2.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:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
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.
19  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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.
23  */
24 
33 // ----------------------------------------------------------------------------
34 
35 #ifndef GNSS2_H
36 #define GNSS2_H
37 
38 #include "drv_digital_out.h"
39 #include "drv_digital_in.h"
40 #include "drv_uart.h"
41 
42 
43 // -------------------------------------------------------------- PUBLIC MACROS
53 #define GNSS2_MAP_MIKROBUS( cfg, mikrobus ) \
54  cfg.tx_pin = MIKROBUS( mikrobus, MIKROBUS_TX ); \
55  cfg.rx_pin = MIKROBUS( mikrobus, MIKROBUS_RX ); \
56  cfg.fon = MIKROBUS( mikrobus, MIKROBUS_AN ); \
57  cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST ); \
58  cfg.stb = MIKROBUS( mikrobus, MIKROBUS_PWM )
59 
65 #define GNSS2_RETVAL uint8_t
66 
67 #define GNSS2_OK 0x00
68 #define GNSS2_INIT_ERROR 0xFF
69 
75 #define GNSS2_NEMA_GPGGA 1
76 #define GNSS2_NEMA_GPGLL 3
77 #define GNSS2_NEMA_GPGGA_NUM_ELEMENT 15
78 #define GNSS2_NEMA_GPGLL_NUM_ELEMENT 5
79 
85 #define GNSS2_GPGGA_TIME 1
86 #define GNSS2_GPGGA_LATITUDE 2
87 #define GNSS2_GPGGA_LATITUDE_SIDE 3
88 #define GNSS2_GPGGA_LONGITUDE 4
89 #define GNSS2_GPGGA_LONGITUDE_SIDE 5
90 #define GNSS2_GPGGA_QUALITY_INDICATOR 6
91 #define GNSS2_GPGGA_NUMBER_OF_SATELLITES 7
92 #define GNSS2_GPGGA_H_DILUTION_OF_POS 8
93 #define GNSS2_GPGGA_ALTITUDE 9
94 #define GNSS2_GPGGA_ALTITUDE_UNIT 10
95 #define GNSS2_GPGGA_GEOIDAL_SEPARATION 11
96 #define GNSS2_GPGGA_GEOIDAL_SEPARATION_UNIT 12
97 #define GNSS2_GPGGA_TIME_SINCE_LAST_DGPS 13
98 #define GNSS2_GPGGA_DGPS_REFERENCE_STATION_ID 14
99 
105 #define GNSS2_GPGLL_LATITUDE 1
106 #define GNSS2_GPGLL_LATITUDE_SIDE 2
107 #define GNSS2_GPGLL_LONGITUDE 3
108 #define GNSS2_GPGLL_LONGITUDE_SIDE 4
109 
115 #define GNSS2_ERROR_COMMAND_OR_ELEMENT 0xFF
116 #define GNSS2_ERROR_START_OR_END_COMMAND 0x8F
117 #define GNSS2_ERROR_NEXT_ELEMENT 0x4F
118 #define GNSS2_ERROR_CURRENT_ELEMENT 0x2F
119 #define GNSS2_NO_ERROR 0x00
120 
126 #define DRV_RX_BUFFER_SIZE 500
127  // End group macro
130 // --------------------------------------------------------------- PUBLIC TYPES
138 typedef struct
139 {
140  // Output pins
141 
142  digital_out_t rst;
143 
144  // Input pins
145 
146  digital_in_t fon;
147  digital_in_t stb;
148 
149  // Modules
150 
151  uart_t uart;
152 
153  char uart_rx_buffer[ DRV_RX_BUFFER_SIZE ];
154  char uart_tx_buffer[ DRV_RX_BUFFER_SIZE ];
155 
156 } gnss2_t;
157 
161 typedef struct
162 {
163  // Communication gpio pins
164 
165  pin_name_t rx_pin;
166  pin_name_t tx_pin;
167 
168  // Additional gpio pins
169 
170  pin_name_t fon;
171  pin_name_t rst;
172  pin_name_t stb;
173 
174  // static variable
175 
176  uint32_t baud_rate; // Clock speed.
178  uart_data_bits_t data_bit; // Data bits.
179  uart_parity_t parity_bit; // Parity bit.
180  uart_stop_bits_t stop_bit; // Stop bits.
181 
182 } gnss2_cfg_t;
183 
187 typedef uint8_t gnss2_error_t;
188  // End types group
190 // ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
191 
197 #ifdef __cplusplus
198 extern "C"{
199 #endif
200 
210 
219 
225 
231 uint8_t gnss2_set_stb_pin ( gnss2_t *ctx );
232 
238 void gnss2_set_rst_pin ( gnss2_t *ctx, uint8_t state );
239 
245 uint8_t gnss2_get_fon_pin ( gnss2_t *ctx );
246 
253 void gnss2_generic_write ( gnss2_t *ctx, char *data_buf, uint16_t len );
254 
262 int32_t gnss2_generic_read ( gnss2_t *ctx, char *data_buf, uint16_t max_len );
263 
273 (
274  char *rsp, uint8_t command,
275  uint8_t element, char *parser_buf
276 );
277 
278 #ifdef __cplusplus
279 }
280 #endif
281 #endif // _GNSS2_H_
282  // End public_function group
285 
286 // ------------------------------------------------------------------------- END
gnss2_cfg_t::fon
pin_name_t fon
Definition: gnss2.h:170
DRV_RX_BUFFER_SIZE
#define DRV_RX_BUFFER_SIZE
Definition: gnss2.h:126
gnss2_t::stb
digital_in_t stb
Definition: gnss2.h:147
gnss2_t::rst
digital_out_t rst
Definition: gnss2.h:142
gnss2_set_stb_pin
uint8_t gnss2_set_stb_pin(gnss2_t *ctx)
Get STB pin state.
gnss2_cfg_t::stb
pin_name_t stb
Definition: gnss2.h:172
gnss2_cfg_t::uart_blocking
bool uart_blocking
Definition: gnss2.h:177
gnss2_t
Click ctx object definition.
Definition: gnss2.h:139
gnss2_init
GNSS2_RETVAL gnss2_init(gnss2_t *ctx, gnss2_cfg_t *cfg)
Initialization function.
gnss2_error_t
uint8_t gnss2_error_t
Error type.
Definition: gnss2.h:187
gnss2_cfg_t::tx_pin
pin_name_t tx_pin
Definition: gnss2.h:166
gnss2_set_rst_pin
void gnss2_set_rst_pin(gnss2_t *ctx, uint8_t state)
Set RST ( reset ) pin state.
gnss2_get_fon_pin
uint8_t gnss2_get_fon_pin(gnss2_t *ctx)
Get FON pin state.
gnss2_cfg_t::rst
pin_name_t rst
Definition: gnss2.h:171
gnss2_cfg_t::stop_bit
uart_stop_bits_t stop_bit
Definition: gnss2.h:180
gnss2_cfg_t::data_bit
uart_data_bits_t data_bit
Definition: gnss2.h:178
gnss2_t::fon
digital_in_t fon
Definition: gnss2.h:146
gnss2_t::uart
uart_t uart
Definition: gnss2.h:151
gnss2_module_wakeup
void gnss2_module_wakeup(gnss2_t *ctx)
Wake-up module.
gnss2_cfg_setup
void gnss2_cfg_setup(gnss2_cfg_t *cfg)
Config Object Initialization function.
gnss2_cfg_t
Click configuration structure definition.
Definition: gnss2.h:162
gnss2_generic_parser
gnss2_error_t gnss2_generic_parser(char *rsp, uint8_t command, uint8_t element, char *parser_buf)
Generic parser function.
gnss2_generic_write
void gnss2_generic_write(gnss2_t *ctx, char *data_buf, uint16_t len)
Generic write function.
gnss2_generic_read
int32_t gnss2_generic_read(gnss2_t *ctx, char *data_buf, uint16_t max_len)
Generic read function.
gnss2_cfg_t::rx_pin
pin_name_t rx_pin
Definition: gnss2.h:165
gnss2_cfg_t::baud_rate
uint32_t baud_rate
Definition: gnss2.h:176
GNSS2_RETVAL
#define GNSS2_RETVAL
Definition: gnss2.h:65
gnss2_cfg_t::parity_bit
uart_parity_t parity_bit
Definition: gnss2.h:179