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.

util_boot/src/util_boot.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 Utility to jump to the PicoCell MCU bootloader
dgabino 0:102b50f941d0 11
dgabino 0:102b50f941d0 12 License: Revised BSD License, see LICENSE.TXT file include in the project
dgabino 0:102b50f941d0 13 */
dgabino 0:102b50f941d0 14
dgabino 0:102b50f941d0 15
dgabino 0:102b50f941d0 16 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 17 /* --- DEPENDANCIES --------------------------------------------------------- */
dgabino 0:102b50f941d0 18
dgabino 0:102b50f941d0 19 /* fix an issue between POSIX and C99 */
dgabino 0:102b50f941d0 20 #if __STDC_VERSION__ >= 199901L
dgabino 0:102b50f941d0 21 #define _XOPEN_SOURCE 600
dgabino 0:102b50f941d0 22 #else
dgabino 0:102b50f941d0 23 #define _XOPEN_SOURCE 500
dgabino 0:102b50f941d0 24 #endif
dgabino 0:102b50f941d0 25
dgabino 0:102b50f941d0 26 #include <stdint.h> /* C99 types */
dgabino 0:102b50f941d0 27 #include <stdio.h> /* printf fprintf sprintf fopen fputs */
dgabino 0:102b50f941d0 28 #include <unistd.h> /* getopt access */
dgabino 0:102b50f941d0 29 #include <stdlib.h> /* EXIT_FAILURE */
dgabino 0:102b50f941d0 30
dgabino 0:102b50f941d0 31 #include "loragw_com.h"
dgabino 0:102b50f941d0 32
dgabino 0:102b50f941d0 33 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 34 /* --- PRIVATE MACROS ------------------------------------------------------- */
dgabino 0:102b50f941d0 35
dgabino 0:102b50f941d0 36 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
dgabino 0:102b50f941d0 37 #define MSG(args...) fprintf(stderr, args) /* message that is destined to the user */
dgabino 0:102b50f941d0 38
dgabino 0:102b50f941d0 39 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 40 /* --- PRIVATE CONSTANTS ---------------------------------------------------- */
dgabino 0:102b50f941d0 41
dgabino 0:102b50f941d0 42 #define COM_PATH_DEFAULT "/dev/ttyACM0"
dgabino 0:102b50f941d0 43
dgabino 0:102b50f941d0 44 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 45 /* --- PRIVATE VARIABLES (GLOBAL) ------------------------------------------- */
dgabino 0:102b50f941d0 46
dgabino 0:102b50f941d0 47 void *lgw_com_target = NULL; /*! generic pointer to the COM device */
dgabino 0:102b50f941d0 48
dgabino 0:102b50f941d0 49 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 50 /* --- PRIVATE FUNCTIONS DECLARATION ---------------------------------------- */
dgabino 0:102b50f941d0 51
dgabino 0:102b50f941d0 52 void usage (void);
dgabino 0:102b50f941d0 53
dgabino 0:102b50f941d0 54 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 55 /* --- PRIVATE FUNCTIONS DEFINITION ----------------------------------------- */
dgabino 0:102b50f941d0 56
dgabino 0:102b50f941d0 57 /* describe command line options */
dgabino 0:102b50f941d0 58 void usage(void) {
dgabino 0:102b50f941d0 59 MSG("Available options:\n");
dgabino 0:102b50f941d0 60 MSG(" -h print this help\n");
dgabino 0:102b50f941d0 61 MSG(" -d <path> COM device to be used to access the concentrator board\n");
dgabino 0:102b50f941d0 62 MSG(" => default path: " COM_PATH_DEFAULT "\n");
dgabino 0:102b50f941d0 63 }
dgabino 0:102b50f941d0 64
dgabino 0:102b50f941d0 65 /* -------------------------------------------------------------------------- */
dgabino 0:102b50f941d0 66 /* --- MAIN FUNCTION -------------------------------------------------------- */
dgabino 0:102b50f941d0 67
dgabino 0:102b50f941d0 68 int main(int argc, char **argv) {
dgabino 0:102b50f941d0 69 int i, x;
dgabino 0:102b50f941d0 70 lgw_com_cmd_t cmd;
dgabino 0:102b50f941d0 71 lgw_com_ans_t ans;
dgabino 0:102b50f941d0 72 /* COM interfaces */
dgabino 0:102b50f941d0 73 const char com_path_default[] = COM_PATH_DEFAULT;
dgabino 0:102b50f941d0 74 const char *com_path = com_path_default;
dgabino 0:102b50f941d0 75
dgabino 0:102b50f941d0 76 while ((i = getopt (argc, argv, "hd:")) != -1) {
dgabino 0:102b50f941d0 77 switch (i) {
dgabino 0:102b50f941d0 78 case 'h':
dgabino 0:102b50f941d0 79 usage();
dgabino 0:102b50f941d0 80 return EXIT_FAILURE;
dgabino 0:102b50f941d0 81 break;
dgabino 0:102b50f941d0 82
dgabino 0:102b50f941d0 83 case 'd':
dgabino 0:102b50f941d0 84 if (optarg != NULL) {
dgabino 0:102b50f941d0 85 com_path = optarg;
dgabino 0:102b50f941d0 86 }
dgabino 0:102b50f941d0 87 break;
dgabino 0:102b50f941d0 88
dgabino 0:102b50f941d0 89 default:
dgabino 0:102b50f941d0 90 MSG("ERROR: argument parsing use -h option for help\n");
dgabino 0:102b50f941d0 91 usage();
dgabino 0:102b50f941d0 92 return EXIT_FAILURE;
dgabino 0:102b50f941d0 93 }
dgabino 0:102b50f941d0 94 }
dgabino 0:102b50f941d0 95
dgabino 0:102b50f941d0 96 /* Open communication bridge */
dgabino 0:102b50f941d0 97 x = lgw_com_open(&lgw_com_target, com_path);
dgabino 0:102b50f941d0 98 if (x == LGW_COM_ERROR) {
dgabino 0:102b50f941d0 99 printf("ERROR: FAIL TO CONNECT BOARD ON %s\n", com_path);
dgabino 0:102b50f941d0 100 return -1;
dgabino 0:102b50f941d0 101 }
dgabino 0:102b50f941d0 102
dgabino 0:102b50f941d0 103 /* prepare command to jump to bootloader */
dgabino 0:102b50f941d0 104 cmd.id = 'n';
dgabino 0:102b50f941d0 105 cmd.len_msb = 0;
dgabino 0:102b50f941d0 106 cmd.len_lsb = 0;
dgabino 0:102b50f941d0 107 cmd.address = 0;
dgabino 0:102b50f941d0 108 /* send command to MCU */
dgabino 0:102b50f941d0 109 x = lgw_com_send_command(lgw_com_target, cmd, &ans);
dgabino 0:102b50f941d0 110 if (x == LGW_COM_ERROR) {
dgabino 0:102b50f941d0 111 printf("ERROR: FAIL TO SEND COMMAND\n");
dgabino 0:102b50f941d0 112 return -1;
dgabino 0:102b50f941d0 113 }
dgabino 0:102b50f941d0 114
dgabino 0:102b50f941d0 115 /* Close communication bridge */
dgabino 0:102b50f941d0 116 x = lgw_com_close(lgw_com_target);
dgabino 0:102b50f941d0 117 if (x == LGW_COM_ERROR) {
dgabino 0:102b50f941d0 118 printf("ERROR: FAIL TO DISCONNECT BOARD\n");
dgabino 0:102b50f941d0 119 return -1;
dgabino 0:102b50f941d0 120 }
dgabino 0:102b50f941d0 121
dgabino 0:102b50f941d0 122 return EXIT_SUCCESS;
dgabino 0:102b50f941d0 123 }
dgabino 0:102b50f941d0 124
dgabino 0:102b50f941d0 125 /* --- EOF ------------------------------------------------------------------ */
dgabino 0:102b50f941d0 126
dgabino 0:102b50f941d0 127