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_aux.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?
User | Revision | Line number | New 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 | LoRa concentrator HAL auxiliary functions |
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 | /* -------------------------------------------------------------------------- */ |
dgabino | 0:102b50f941d0 | 18 | /* --- DEPENDANCIES --------------------------------------------------------- */ |
dgabino | 0:102b50f941d0 | 19 | |
dgabino | 0:102b50f941d0 | 20 | /* fix an issue between POSIX and C99 */ |
dgabino | 0:102b50f941d0 | 21 | #if __STDC_VERSION__ >= 199901L |
dgabino | 0:102b50f941d0 | 22 | #define _XOPEN_SOURCE 600 |
dgabino | 0:102b50f941d0 | 23 | #else |
dgabino | 0:102b50f941d0 | 24 | #define _XOPEN_SOURCE 500 |
dgabino | 0:102b50f941d0 | 25 | #endif |
dgabino | 0:102b50f941d0 | 26 | |
dgabino | 0:102b50f941d0 | 27 | #include <stdio.h> /* printf fprintf */ |
dgabino | 0:102b50f941d0 | 28 | #include <time.h> /* clock_nanosleep */ |
dgabino | 0:102b50f941d0 | 29 | |
dgabino | 0:102b50f941d0 | 30 | /* -------------------------------------------------------------------------- */ |
dgabino | 0:102b50f941d0 | 31 | /* --- PRIVATE MACROS ------------------------------------------------------- */ |
dgabino | 0:102b50f941d0 | 32 | |
dgabino | 0:102b50f941d0 | 33 | #if DEBUG_AUX == 1 |
dgabino | 0:102b50f941d0 | 34 | #define DEBUG_MSG(str) fprintf(stderr, str) |
dgabino | 0:102b50f941d0 | 35 | #define DEBUG_PRINTF(fmt, args...) fprintf(stderr,"%s:%d: "fmt, __FUNCTION__, __LINE__, args) |
dgabino | 0:102b50f941d0 | 36 | #else |
dgabino | 0:102b50f941d0 | 37 | #define DEBUG_MSG(str) |
dgabino | 0:102b50f941d0 | 38 | #define DEBUG_PRINTF(fmt, args...) |
dgabino | 0:102b50f941d0 | 39 | #endif |
dgabino | 0:102b50f941d0 | 40 | |
dgabino | 0:102b50f941d0 | 41 | /* -------------------------------------------------------------------------- */ |
dgabino | 0:102b50f941d0 | 42 | /* --- PUBLIC FUNCTIONS DEFINITION ------------------------------------------ */ |
dgabino | 0:102b50f941d0 | 43 | |
dgabino | 0:102b50f941d0 | 44 | /* This implementation is POSIX-pecific and require a fix to be compatible with C99 */ |
dgabino | 0:102b50f941d0 | 45 | |
dgabino | 0:102b50f941d0 | 46 | |
dgabino | 0:102b50f941d0 | 47 | void wait_ms_linux(unsigned long a) { |
dgabino | 0:102b50f941d0 | 48 | struct timespec dly; |
dgabino | 0:102b50f941d0 | 49 | struct timespec rem; |
dgabino | 0:102b50f941d0 | 50 | |
dgabino | 0:102b50f941d0 | 51 | dly.tv_sec = a / 1000; |
dgabino | 0:102b50f941d0 | 52 | dly.tv_nsec = ((long)a % 1000) * 1000000; |
dgabino | 0:102b50f941d0 | 53 | |
dgabino | 0:102b50f941d0 | 54 | DEBUG_PRINTF("NOTE dly: %ld sec %ld ns\n", dly.tv_sec, dly.tv_nsec); |
dgabino | 0:102b50f941d0 | 55 | |
dgabino | 0:102b50f941d0 | 56 | if((dly.tv_sec > 0) || ((dly.tv_sec == 0) && (dly.tv_nsec > 100000))) { |
dgabino | 0:102b50f941d0 | 57 | clock_nanosleep(CLOCK_MONOTONIC, 0, &dly, &rem); |
dgabino | 0:102b50f941d0 | 58 | DEBUG_PRINTF("NOTE remain: %ld sec %ld ns\n", rem.tv_sec, rem.tv_nsec); |
dgabino | 0:102b50f941d0 | 59 | } |
dgabino | 0:102b50f941d0 | 60 | return; |
dgabino | 0:102b50f941d0 | 61 | } |
dgabino | 0:102b50f941d0 | 62 | |
dgabino | 0:102b50f941d0 | 63 | void wait_ns_linux(unsigned long a) { |
dgabino | 0:102b50f941d0 | 64 | struct timespec dly; |
dgabino | 0:102b50f941d0 | 65 | struct timespec rem; |
dgabino | 0:102b50f941d0 | 66 | |
dgabino | 0:102b50f941d0 | 67 | dly.tv_sec = 0; |
dgabino | 0:102b50f941d0 | 68 | dly.tv_nsec = a; |
dgabino | 0:102b50f941d0 | 69 | |
dgabino | 0:102b50f941d0 | 70 | DEBUG_PRINTF("NOTE dly: %ld sec %ld ns\n", dly.tv_sec, dly.tv_nsec); |
dgabino | 0:102b50f941d0 | 71 | |
dgabino | 0:102b50f941d0 | 72 | if((dly.tv_sec > 0) || ((dly.tv_sec == 0) && (dly.tv_nsec > 1))) { |
dgabino | 0:102b50f941d0 | 73 | clock_nanosleep(CLOCK_MONOTONIC, 0, &dly, &rem); |
dgabino | 0:102b50f941d0 | 74 | DEBUG_PRINTF("NOTE remain: %ld sec %ld ns\n", rem.tv_sec, rem.tv_nsec); |
dgabino | 0:102b50f941d0 | 75 | } |
dgabino | 0:102b50f941d0 | 76 | return; |
dgabino | 0:102b50f941d0 | 77 | } |
dgabino | 0:102b50f941d0 | 78 | |
dgabino | 0:102b50f941d0 | 79 | void wait_ms(unsigned long a) { |
dgabino | 0:102b50f941d0 | 80 | #ifdef _WIN32 |
dgabino | 0:102b50f941d0 | 81 | return wait_ms_win(a) ; |
dgabino | 0:102b50f941d0 | 82 | #elif __linux__ |
dgabino | 0:102b50f941d0 | 83 | return wait_ms_linux(a) ; |
dgabino | 0:102b50f941d0 | 84 | #elif __APPLE__ |
dgabino | 0:102b50f941d0 | 85 | DEBUG_PRINTF("System is not recognized."); |
dgabino | 0:102b50f941d0 | 86 | #elif __unix__ |
dgabino | 0:102b50f941d0 | 87 | DEBUG_PRINTF("System is not recognized."); |
dgabino | 0:102b50f941d0 | 88 | #elif __posix__ |
dgabino | 0:102b50f941d0 | 89 | DEBUG_PRINTF("System is not recognized."); |
dgabino | 0:102b50f941d0 | 90 | #else |
dgabino | 0:102b50f941d0 | 91 | DEBUG_PRINTF("System is not recognized."); |
dgabino | 0:102b50f941d0 | 92 | #endif |
dgabino | 0:102b50f941d0 | 93 | } |
dgabino | 0:102b50f941d0 | 94 | void wait_ns(unsigned long a) { |
dgabino | 0:102b50f941d0 | 95 | #ifdef _WIN32 |
dgabino | 0:102b50f941d0 | 96 | return wait_ns_win(a) ; |
dgabino | 0:102b50f941d0 | 97 | #elif __linux__ |
dgabino | 0:102b50f941d0 | 98 | return wait_ns_linux(a) ; |
dgabino | 0:102b50f941d0 | 99 | #elif __APPLE__ |
dgabino | 0:102b50f941d0 | 100 | DEBUG_PRINTF("System is not recognized."); |
dgabino | 0:102b50f941d0 | 101 | #elif __unix__ |
dgabino | 0:102b50f941d0 | 102 | DEBUG_PRINTF("System is not recognized."); |
dgabino | 0:102b50f941d0 | 103 | #elif __posix__ |
dgabino | 0:102b50f941d0 | 104 | DEBUG_PRINTF("System is not recognized."); |
dgabino | 0:102b50f941d0 | 105 | #else |
dgabino | 0:102b50f941d0 | 106 | DEBUG_PRINTF("System is not recognized."); |
dgabino | 0:102b50f941d0 | 107 | #endif |
dgabino | 0:102b50f941d0 | 108 | } |
dgabino | 0:102b50f941d0 | 109 | |
dgabino | 0:102b50f941d0 | 110 | /* --- EOF ------------------------------------------------------------------ */ |