Damian Gabino / picoGW_hal

Host driver/HAL to build a LoRa Picocell Gateway which communicates through USB with a concentrator board based on Semtech SX1308 multi-channel modem and SX1257/SX1255 RF transceivers.

libloragw/src/loragw_com.c@0:102b50f941d0, 2018-04-11 (annotated)

Committer:
dgabino
Date:
Wed Apr 11 14:38:42 2018 +0000
Revision:
0:102b50f941d0
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dgabino 0:102b50f941d0 1 /*
dgabino 0:102b50f941d0 2 / _____) _ | |
dgabino 0:102b50f941d0 3 ( (____ _____ ____ _| |_ _____ ____| |__
dgabino 0:102b50f941d0 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
dgabino 0:102b50f941d0 5 _____) ) ____| | | || |_| ____( (___| | | |
dgabino 0:102b50f941d0 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
dgabino 0:102b50f941d0 7 (C)2017 Semtech-Cycleo
dgabino 0:102b50f941d0 8
dgabino 0:102b50f941d0 9 Description:
dgabino 0:102b50f941d0 10 A communication bridge layer to abstract linux/windows OS or others.
dgabino 0:102b50f941d0 11 The current project support only linux os
dgabino 0:102b50f941d0 12
dgabino 0:102b50f941d0 13 License: Revised BSD License, see LICENSE.TXT file include in the project
dgabino 0:102b50f941d0 14 */
dgabino 0:102b50f941d0 15
dgabino 0:102b50f941d0 16
dgabino 0:102b50f941d0 17 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 18 /* --- DEPENDANCIES --------------------------------------------------------- */
dgabino 0:102b50f941d0 19
dgabino 0:102b50f941d0 20 #include <stdint.h> /* C99 types */
dgabino 0:102b50f941d0 21 #include <stdio.h> /* printf fprintf */
dgabino 0:102b50f941d0 22 #include <stdlib.h> /* malloc free */
dgabino 0:102b50f941d0 23 #include <unistd.h> /* lseek, close */
dgabino 0:102b50f941d0 24 #include <fcntl.h> /* open */
dgabino 0:102b50f941d0 25 #include <string.h> /* memset */
dgabino 0:102b50f941d0 26 #include <errno.h> /* Error number definitions */
dgabino 0:102b50f941d0 27 #include <termios.h> /* POSIX terminal control definitions */
dgabino 0:102b50f941d0 28 #include <sys/ioctl.h>
dgabino 0:102b50f941d0 29 #include <pthread.h>
dgabino 0:102b50f941d0 30 #include <time.h>
dgabino 0:102b50f941d0 31 #include <sys/select.h>
dgabino 0:102b50f941d0 32
dgabino 0:102b50f941d0 33 #include "loragw_aux.h"
dgabino 0:102b50f941d0 34 #include "loragw_reg.h"
dgabino 0:102b50f941d0 35 #include "loragw_com.h"
dgabino 0:102b50f941d0 36 #include "loragw_com_linux.h"
dgabino 0:102b50f941d0 37
dgabino 0:102b50f941d0 38 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 39 /* --- PRIVATE MACROS ------------------------------------------------------- */
dgabino 0:102b50f941d0 40
dgabino 0:102b50f941d0 41 #if DEBUG_COM == 1
dgabino 0:102b50f941d0 42 #define DEBUG_MSG(str) fprintf(stderr, str)
dgabino 0:102b50f941d0 43 #define DEBUG_PRINTF(fmt, args...) fprintf(stderr,"%s:%d: "fmt, __FUNCTION__, __LINE__, args)
dgabino 0:102b50f941d0 44 #define CHECK_NULL(a) if(a==NULL){fprintf(stderr,"%s:%d: ERROR: NULL POINTER AS ARGUMENT\n", __FUNCTION__, __LINE__);return LGW_COM_ERROR;}
dgabino 0:102b50f941d0 45 #else
dgabino 0:102b50f941d0 46 #define DEBUG_MSG(str)
dgabino 0:102b50f941d0 47 #define DEBUG_PRINTF(fmt, args...)
dgabino 0:102b50f941d0 48 #define CHECK_NULL(a) if(a==NULL){return LGW_COM_ERROR;}
dgabino 0:102b50f941d0 49 #endif
dgabino 0:102b50f941d0 50
dgabino 0:102b50f941d0 51 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 52 /* --- PRIVATE SHARED VARIABLES (GLOBAL) ------------------------------------ */
dgabino 0:102b50f941d0 53
dgabino 0:102b50f941d0 54 extern void *lgw_com_target; /*! generic pointer to the COM device */
dgabino 0:102b50f941d0 55
dgabino 0:102b50f941d0 56 pthread_mutex_t mx_usbbridgesync = PTHREAD_MUTEX_INITIALIZER; /* control access to usbbridge sync offsets */
dgabino 0:102b50f941d0 57
dgabino 0:102b50f941d0 58 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 59 /* --- PRIVATE CONSTANTS ---------------------------------------------------- */
dgabino 0:102b50f941d0 60
dgabino 0:102b50f941d0 61 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 62 /* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */
dgabino 0:102b50f941d0 63
dgabino 0:102b50f941d0 64 int lgw_com_send_cmd(lgw_com_cmd_t cmd, lgw_handle_t handle) {
dgabino 0:102b50f941d0 65 #ifdef _WIN32
dgabino 0:102b50f941d0 66 return lgw_com_send_cmd_win(cmd, handle);
dgabino 0:102b50f941d0 67 #elif __linux__
dgabino 0:102b50f941d0 68 return lgw_com_send_cmd_linux(cmd, handle);
dgabino 0:102b50f941d0 69 #elif __APPLE__
dgabino 0:102b50f941d0 70 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 71 #elif __unix__
dgabino 0:102b50f941d0 72 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 73 #elif __posix__
dgabino 0:102b50f941d0 74 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 75 #else
dgabino 0:102b50f941d0 76 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 77 #endif
dgabino 0:102b50f941d0 78 }
dgabino 0:102b50f941d0 79
dgabino 0:102b50f941d0 80 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
dgabino 0:102b50f941d0 81
dgabino 0:102b50f941d0 82 int lgw_com_receive_ans(lgw_com_ans_t *ans, lgw_handle_t handle) {
dgabino 0:102b50f941d0 83 #ifdef _WIN32
dgabino 0:102b50f941d0 84 return lgw_com_receive_ans_win(ans, handle);
dgabino 0:102b50f941d0 85 #elif __linux__
dgabino 0:102b50f941d0 86 return lgw_com_receive_ans_linux(ans, handle);
dgabino 0:102b50f941d0 87 #elif __APPLE__
dgabino 0:102b50f941d0 88 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 89 #elif __unix__
dgabino 0:102b50f941d0 90 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 91 #elif __posix__
dgabino 0:102b50f941d0 92 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 93 #else
dgabino 0:102b50f941d0 94 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 95 #endif
dgabino 0:102b50f941d0 96 }
dgabino 0:102b50f941d0 97
dgabino 0:102b50f941d0 98 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 99 /* --- PUBLIC FUNCTIONS DEFINITION ------------------------------------------ */
dgabino 0:102b50f941d0 100
dgabino 0:102b50f941d0 101 int lgw_com_open(void **com_target_ptr, const char *com_path) {
dgabino 0:102b50f941d0 102 #ifdef _WIN32
dgabino 0:102b50f941d0 103 return lgw_com_open_win(com_target_ptr);
dgabino 0:102b50f941d0 104 #elif __linux__
dgabino 0:102b50f941d0 105 return lgw_com_open_linux(com_target_ptr, com_path);
dgabino 0:102b50f941d0 106 #elif __APPLE__
dgabino 0:102b50f941d0 107 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 108 #elif __unix__
dgabino 0:102b50f941d0 109 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 110 #elif __posix__
dgabino 0:102b50f941d0 111 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 112 #else
dgabino 0:102b50f941d0 113 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 114 #endif
dgabino 0:102b50f941d0 115 }
dgabino 0:102b50f941d0 116
dgabino 0:102b50f941d0 117 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
dgabino 0:102b50f941d0 118
dgabino 0:102b50f941d0 119 int lgw_com_close(void *com_target) {
dgabino 0:102b50f941d0 120 #ifdef _WIN32
dgabino 0:102b50f941d0 121 return lgw_com_close_win(com_target);
dgabino 0:102b50f941d0 122 #elif __linux__
dgabino 0:102b50f941d0 123 return lgw_com_close_linux(com_target);
dgabino 0:102b50f941d0 124 #elif __APPLE__
dgabino 0:102b50f941d0 125 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 126 #elif __unix__
dgabino 0:102b50f941d0 127 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 128 #elif __posix__
dgabino 0:102b50f941d0 129 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 130 #else
dgabino 0:102b50f941d0 131 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 132 #endif
dgabino 0:102b50f941d0 133 }
dgabino 0:102b50f941d0 134
dgabino 0:102b50f941d0 135 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
dgabino 0:102b50f941d0 136
dgabino 0:102b50f941d0 137 int lgw_com_w(void *com_target, uint8_t com_mux_mode, uint8_t com_mux_target, uint8_t address, uint8_t data) {
dgabino 0:102b50f941d0 138 #ifdef _WIN32
dgabino 0:102b50f941d0 139 return lgw_com_w_win(com_target, com_mux_mode, com_mux_target, address, data);
dgabino 0:102b50f941d0 140 #elif __linux__
dgabino 0:102b50f941d0 141 return lgw_com_w_linux(com_target, com_mux_mode, com_mux_target, address, data);
dgabino 0:102b50f941d0 142 #elif __APPLE__
dgabino 0:102b50f941d0 143 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 144 #elif __unix__
dgabino 0:102b50f941d0 145 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 146 #elif __posix__
dgabino 0:102b50f941d0 147 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 148 #else
dgabino 0:102b50f941d0 149 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 150 #endif
dgabino 0:102b50f941d0 151 }
dgabino 0:102b50f941d0 152
dgabino 0:102b50f941d0 153 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
dgabino 0:102b50f941d0 154
dgabino 0:102b50f941d0 155 int lgw_com_r(void *com_target, uint8_t com_mux_mode, uint8_t com_mux_target, uint8_t address, uint8_t *data) {
dgabino 0:102b50f941d0 156 #ifdef _WIN32
dgabino 0:102b50f941d0 157 return lgw_com_r_win(com_target, com_mux_mode, com_mux_target, address, data);
dgabino 0:102b50f941d0 158 #elif __linux__
dgabino 0:102b50f941d0 159 return lgw_com_r_linux(com_target, com_mux_mode, com_mux_target, address, data);
dgabino 0:102b50f941d0 160 #elif __APPLE__
dgabino 0:102b50f941d0 161 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 162 #elif __unix__
dgabino 0:102b50f941d0 163 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 164 #elif __posix__
dgabino 0:102b50f941d0 165 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 166 #else
dgabino 0:102b50f941d0 167 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 168 #endif
dgabino 0:102b50f941d0 169 }
dgabino 0:102b50f941d0 170
dgabino 0:102b50f941d0 171 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
dgabino 0:102b50f941d0 172
dgabino 0:102b50f941d0 173 int lgw_com_wb(void *com_target, uint8_t com_mux_mode, uint8_t com_mux_target, uint8_t address, uint8_t *data, uint16_t size) {
dgabino 0:102b50f941d0 174 #ifdef _WIN32
dgabino 0:102b50f941d0 175 return lgw_com_wb_win(com_target, com_mux_mode, com_mux_target, address, data, size);
dgabino 0:102b50f941d0 176 #elif __linux__
dgabino 0:102b50f941d0 177 return lgw_com_wb_linux(com_target, com_mux_mode, com_mux_target, address, data, size);
dgabino 0:102b50f941d0 178 #elif __APPLE__
dgabino 0:102b50f941d0 179 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 180 #elif __unix__
dgabino 0:102b50f941d0 181 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 182 #elif __posix__
dgabino 0:102b50f941d0 183 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 184 #else
dgabino 0:102b50f941d0 185 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 186 #endif
dgabino 0:102b50f941d0 187 }
dgabino 0:102b50f941d0 188
dgabino 0:102b50f941d0 189 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
dgabino 0:102b50f941d0 190
dgabino 0:102b50f941d0 191 int lgw_com_rb(void *com_target, uint8_t com_mux_mode, uint8_t com_mux_target, uint8_t address, uint8_t *data, uint16_t size) {
dgabino 0:102b50f941d0 192 #ifdef _WIN32
dgabino 0:102b50f941d0 193 return lgw_com_rb_win(com_target, com_mux_mode, com_mux_target, address, data, size);
dgabino 0:102b50f941d0 194 #elif __linux__
dgabino 0:102b50f941d0 195 return lgw_com_rb_linux(com_target, com_mux_mode, com_mux_target, address, data, size);
dgabino 0:102b50f941d0 196 #elif __APPLE__
dgabino 0:102b50f941d0 197 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 198 #elif __unix__
dgabino 0:102b50f941d0 199 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 200 #elif __posix__
dgabino 0:102b50f941d0 201 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 202 #else
dgabino 0:102b50f941d0 203 DEBUG_PRINTF("System is not recognized.");
dgabino 0:102b50f941d0 204 #endif
dgabino 0:102b50f941d0 205 }
dgabino 0:102b50f941d0 206
dgabino 0:102b50f941d0 207 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
dgabino 0:102b50f941d0 208
dgabino 0:102b50f941d0 209 int lgw_com_send_command(void *com_target, lgw_com_cmd_t cmd, lgw_com_ans_t *ans) {
dgabino 0:102b50f941d0 210 lgw_handle_t handle;
dgabino 0:102b50f941d0 211
dgabino 0:102b50f941d0 212 CHECK_NULL(com_target);
dgabino 0:102b50f941d0 213 CHECK_NULL(ans);
dgabino 0:102b50f941d0 214
dgabino 0:102b50f941d0 215 handle = LGW_GET_HANDLE(com_target);
dgabino 0:102b50f941d0 216
dgabino 0:102b50f941d0 217 pthread_mutex_lock(&mx_usbbridgesync);
dgabino 0:102b50f941d0 218
dgabino 0:102b50f941d0 219 if (lgw_com_send_cmd(cmd, handle) == LGW_COM_ERROR) {
dgabino 0:102b50f941d0 220 pthread_mutex_unlock(&mx_usbbridgesync);
dgabino 0:102b50f941d0 221 return LGW_COM_ERROR;
dgabino 0:102b50f941d0 222 }
dgabino 0:102b50f941d0 223 if (lgw_com_receive_ans(ans, handle) == LGW_COM_ERROR) {
dgabino 0:102b50f941d0 224 pthread_mutex_unlock(&mx_usbbridgesync);
dgabino 0:102b50f941d0 225 return LGW_COM_ERROR;
dgabino 0:102b50f941d0 226 }
dgabino 0:102b50f941d0 227
dgabino 0:102b50f941d0 228 pthread_mutex_unlock(&mx_usbbridgesync);
dgabino 0:102b50f941d0 229
dgabino 0:102b50f941d0 230 return LGW_COM_SUCCESS;
dgabino 0:102b50f941d0 231 }
dgabino 0:102b50f941d0 232
dgabino 0:102b50f941d0 233 /* --- EOF ------------------------------------------------------------------ */