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 "drv_digital_out.h"
36 #include "drv_digital_in.h"
37 #include "drv_uart.h"
38 
59 #define GNSS2_RSP_START "$"
60 #define GNSS2_RSP_DELIMITER ","
61 #define GNSS2_RSP_END_SEQ "\r\n"
62 #define GNSS2_RSP_GPGGA "$GPGGA"
63 
68 #define GNSS2_GPGGA_ELEMENT_SIZE 15
69 #define GNSS2_GPGGA_TIME 1
70 #define GNSS2_GPGGA_LATITUDE 2
71 #define GNSS2_GPGGA_LATITUDE_SIDE 3
72 #define GNSS2_GPGGA_LONGITUDE 4
73 #define GNSS2_GPGGA_LONGITUDE_SIDE 5
74 #define GNSS2_GPGGA_QUALITY_INDICATOR 6
75 #define GNSS2_GPGGA_NUMBER_OF_SATELLITES 7
76 #define GNSS2_GPGGA_H_DILUTION_OF_POS 8
77 #define GNSS2_GPGGA_ALTITUDE 9
78 #define GNSS2_GPGGA_ALTITUDE_UNIT 10
79 #define GNSS2_GPGGA_GEOIDAL_SEPARATION 11
80 #define GNSS2_GPGGA_GEOIDAL_SEPARATION_UNIT 12
81 #define GNSS2_GPGGA_TIME_SINCE_LAST_DGPS 13
82 #define GNSS2_GPGGA_DGPS_REFERENCE_STATION_ID 14
83 
89 #define GNSS2_DRV_TX_BUFFER_SIZE 100
90 #define GNSS2_DRV_RX_BUFFER_SIZE 1000
91  // gnss2_cmd
93 
108 #define GNSS2_MAP_MIKROBUS( cfg, mikrobus ) \
109  cfg.tx_pin = MIKROBUS( mikrobus, MIKROBUS_TX ); \
110  cfg.rx_pin = MIKROBUS( mikrobus, MIKROBUS_RX ); \
111  cfg.fon = MIKROBUS( mikrobus, MIKROBUS_AN ); \
112  cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST ); \
113  cfg.stb = MIKROBUS( mikrobus, MIKROBUS_PWM )
114  // gnss2_map // gnss2
117 
122 typedef struct
123 {
124  // Output pins
125  digital_out_t rst;
126 
127  // Input pins
128  digital_in_t fon;
129  digital_in_t stb;
130 
131  // Modules
132  uart_t uart;
134  // Buffers
135  char uart_rx_buffer[ GNSS2_DRV_RX_BUFFER_SIZE ];
136  char uart_tx_buffer[ GNSS2_DRV_TX_BUFFER_SIZE ];
138 } gnss2_t;
139 
144 typedef struct
145 {
146  // Communication gpio pins
147  pin_name_t rx_pin;
148  pin_name_t tx_pin;
150  // Additional gpio pins
151  pin_name_t rst;
152  pin_name_t fon;
153  pin_name_t stb;
154 
155  // Static variable
156  uint32_t baud_rate;
158  uart_data_bits_t data_bit;
159  uart_parity_t parity_bit;
160  uart_stop_bits_t stop_bit;
162 } gnss2_cfg_t;
163 
168 typedef enum
169 {
170  GNSS2_OK = 0,
171  GNSS2_ERROR = -1
172 
174 
191 
205 err_t gnss2_init ( gnss2_t *ctx, gnss2_cfg_t *cfg );
206 
219 err_t gnss2_generic_write ( gnss2_t *ctx, char *data_in, uint16_t len );
220 
233 err_t gnss2_generic_read ( gnss2_t *ctx, char *data_out, uint16_t len );
234 
244 
254 void gnss2_set_rst_pin ( gnss2_t *ctx, uint8_t state );
255 
264 uint8_t gnss2_get_fon_pin ( gnss2_t *ctx );
265 
274 uint8_t gnss2_get_stb_pin ( gnss2_t *ctx );
275 
287 err_t gnss2_parse_gpgga ( char *rsp_buf, uint8_t gpgga_element, char *element_data );
288 
289 #ifdef __cplusplus
290 }
291 #endif
292 #endif // GNSS2_H
293  // gnss2
295 
296 // ------------------------------------------------------------------------ END
gnss2_cfg_t::fon
pin_name_t fon
Definition: gnss2.h:152
gnss2_t::stb
digital_in_t stb
Definition: gnss2.h:129
gnss2_return_value_t
gnss2_return_value_t
GNSS 2 Click return value data.
Definition: gnss2.h:169
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:125
gnss2_cfg_t::stb
pin_name_t stb
Definition: gnss2.h:153
gnss2_cfg_t::uart_blocking
bool uart_blocking
Definition: gnss2.h:157
gnss2_t
GNSS 2 Click context object.
Definition: gnss2.h:123
GNSS2_DRV_RX_BUFFER_SIZE
#define GNSS2_DRV_RX_BUFFER_SIZE
Definition: gnss2.h:90
GNSS2_ERROR
@ GNSS2_ERROR
Definition: gnss2.h:171
gnss2_cfg_t::tx_pin
pin_name_t tx_pin
Definition: gnss2.h:148
GNSS2_OK
@ GNSS2_OK
Definition: gnss2.h:170
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:151
gnss2_cfg_t::stop_bit
uart_stop_bits_t stop_bit
Definition: gnss2.h:160
gnss2_cfg_t::data_bit
uart_data_bits_t data_bit
Definition: gnss2.h:158
gnss2_t::fon
digital_in_t fon
Definition: gnss2.h:128
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:132
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:145
GNSS2_DRV_TX_BUFFER_SIZE
#define GNSS2_DRV_TX_BUFFER_SIZE
GNSS 2 driver buffer size.
Definition: gnss2.h:89
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:147
gnss2_cfg_t::baud_rate
uint32_t baud_rate
Definition: gnss2.h:156
gnss2_cfg_t::parity_bit
uart_parity_t parity_bit
Definition: gnss2.h:159