gnss2  2.0.0.0
gnss2.h
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22 
28 #ifndef GNSS2_H
29 #define GNSS2_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_uart.h"
48 
69 #define GNSS2_RSP_START "$"
70 #define GNSS2_RSP_DELIMITER ","
71 #define GNSS2_RSP_END_SEQ "\r\n"
72 #define GNSS2_RSP_GPGGA "$GPGGA"
73 
78 #define GNSS2_GPGGA_ELEMENT_SIZE 15
79 #define GNSS2_GPGGA_TIME 1
80 #define GNSS2_GPGGA_LATITUDE 2
81 #define GNSS2_GPGGA_LATITUDE_SIDE 3
82 #define GNSS2_GPGGA_LONGITUDE 4
83 #define GNSS2_GPGGA_LONGITUDE_SIDE 5
84 #define GNSS2_GPGGA_QUALITY_INDICATOR 6
85 #define GNSS2_GPGGA_NUMBER_OF_SATELLITES 7
86 #define GNSS2_GPGGA_H_DILUTION_OF_POS 8
87 #define GNSS2_GPGGA_ALTITUDE 9
88 #define GNSS2_GPGGA_ALTITUDE_UNIT 10
89 #define GNSS2_GPGGA_GEOIDAL_SEPARATION 11
90 #define GNSS2_GPGGA_GEOIDAL_SEPARATION_UNIT 12
91 #define GNSS2_GPGGA_TIME_SINCE_LAST_DGPS 13
92 #define GNSS2_GPGGA_DGPS_REFERENCE_STATION_ID 14
93 
99 #define GNSS2_DRV_TX_BUFFER_SIZE 100
100 #define GNSS2_DRV_RX_BUFFER_SIZE 1000
101  // gnss2_cmd
103 
118 #define GNSS2_MAP_MIKROBUS( cfg, mikrobus ) \
119  cfg.tx_pin = MIKROBUS( mikrobus, MIKROBUS_TX ); \
120  cfg.rx_pin = MIKROBUS( mikrobus, MIKROBUS_RX ); \
121  cfg.fon = MIKROBUS( mikrobus, MIKROBUS_AN ); \
122  cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST ); \
123  cfg.stb = MIKROBUS( mikrobus, MIKROBUS_PWM )
124  // gnss2_map // gnss2
127 
132 typedef struct
133 {
134  // Output pins
135  digital_out_t rst;
136 
137  // Input pins
138  digital_in_t fon;
139  digital_in_t stb;
140 
141  // Modules
142  uart_t uart;
144  // Buffers
145  char uart_rx_buffer[ GNSS2_DRV_RX_BUFFER_SIZE ];
146  char uart_tx_buffer[ GNSS2_DRV_TX_BUFFER_SIZE ];
148 } gnss2_t;
149 
154 typedef struct
155 {
156  // Communication gpio pins
157  pin_name_t rx_pin;
158  pin_name_t tx_pin;
160  // Additional gpio pins
161  pin_name_t rst;
162  pin_name_t fon;
163  pin_name_t stb;
164 
165  // Static variable
166  uint32_t baud_rate;
168  uart_data_bits_t data_bit;
169  uart_parity_t parity_bit;
170  uart_stop_bits_t stop_bit;
172 } gnss2_cfg_t;
173 
178 typedef enum
179 {
180  GNSS2_OK = 0,
181  GNSS2_ERROR = -1
182 
184 
201 
215 err_t gnss2_init ( gnss2_t *ctx, gnss2_cfg_t *cfg );
216 
229 err_t gnss2_generic_write ( gnss2_t *ctx, char *data_in, uint16_t len );
230 
243 err_t gnss2_generic_read ( gnss2_t *ctx, char *data_out, uint16_t len );
244 
254 
264 void gnss2_set_rst_pin ( gnss2_t *ctx, uint8_t state );
265 
274 uint8_t gnss2_get_fon_pin ( gnss2_t *ctx );
275 
284 uint8_t gnss2_get_stb_pin ( gnss2_t *ctx );
285 
297 err_t gnss2_parse_gpgga ( char *rsp_buf, uint8_t gpgga_element, char *element_data );
298 
299 #ifdef __cplusplus
300 }
301 #endif
302 #endif // GNSS2_H
303  // gnss2
305 
306 // ------------------------------------------------------------------------ END
gnss2_cfg_t::fon
pin_name_t fon
Definition: gnss2.h:162
gnss2_t::stb
digital_in_t stb
Definition: gnss2.h:139
gnss2_return_value_t
gnss2_return_value_t
GNSS 2 Click return value data.
Definition: gnss2.h:179
gnss2_get_fon_pin
uint8_t gnss2_get_fon_pin(gnss2_t *ctx)
GNSS 2 get FON pin function.
gnss2_t::rst
digital_out_t rst
Definition: gnss2.h:135
gnss2_cfg_t::stb
pin_name_t stb
Definition: gnss2.h:163
gnss2_cfg_t::uart_blocking
bool uart_blocking
Definition: gnss2.h:167
gnss2_t
GNSS 2 Click context object.
Definition: gnss2.h:133
GNSS2_DRV_RX_BUFFER_SIZE
#define GNSS2_DRV_RX_BUFFER_SIZE
Definition: gnss2.h:100
GNSS2_ERROR
@ GNSS2_ERROR
Definition: gnss2.h:181
gnss2_cfg_t::tx_pin
pin_name_t tx_pin
Definition: gnss2.h:158
GNSS2_OK
@ GNSS2_OK
Definition: gnss2.h:180
gnss2_get_stb_pin
uint8_t gnss2_get_stb_pin(gnss2_t *ctx)
GNSS 2 get STB pin function.
gnss2_generic_read
err_t gnss2_generic_read(gnss2_t *ctx, char *data_out, uint16_t len)
GNSS 2 data reading function.
gnss2_parse_gpgga
err_t gnss2_parse_gpgga(char *rsp_buf, uint8_t gpgga_element, char *element_data)
GNSS 2 parse GPGGA function.
gnss2_init
err_t gnss2_init(gnss2_t *ctx, gnss2_cfg_t *cfg)
GNSS 2 initialization function.
gnss2_cfg_t::rst
pin_name_t rst
Definition: gnss2.h:161
gnss2_cfg_t::stop_bit
uart_stop_bits_t stop_bit
Definition: gnss2.h:170
gnss2_cfg_t::data_bit
uart_data_bits_t data_bit
Definition: gnss2.h:168
gnss2_t::fon
digital_in_t fon
Definition: gnss2.h:138
gnss2_clear_ring_buffers
void gnss2_clear_ring_buffers(gnss2_t *ctx)
GNSS 2 clear ring buffers function.
gnss2_t::uart
uart_t uart
Definition: gnss2.h:142
gnss2_generic_write
err_t gnss2_generic_write(gnss2_t *ctx, char *data_in, uint16_t len)
GNSS 2 data writing function.
gnss2_cfg_t
GNSS 2 Click configuration object.
Definition: gnss2.h:155
GNSS2_DRV_TX_BUFFER_SIZE
#define GNSS2_DRV_TX_BUFFER_SIZE
GNSS 2 driver buffer size.
Definition: gnss2.h:99
gnss2_set_rst_pin
void gnss2_set_rst_pin(gnss2_t *ctx, uint8_t state)
GNSS 2 set RST pin function.
gnss2_cfg_setup
void gnss2_cfg_setup(gnss2_cfg_t *cfg)
GNSS 2 configuration object setup function.
gnss2_cfg_t::rx_pin
pin_name_t rx_pin
Definition: gnss2.h:157
gnss2_cfg_t::baud_rate
uint32_t baud_rate
Definition: gnss2.h:166
gnss2_cfg_t::parity_bit
uart_parity_t parity_bit
Definition: gnss2.h:169