| commit | author | age | ||
| e30a4c | 1 | /********************************************************************************* |
| GW | 2 | * Copyright: (C) 2019 LingYun IoT System Studio |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Filename: hal.c | |
| 6 | * Description: This file is RPi HAL(Hardware Abstract Layer) initial functions | |
| 7 | * | |
| 8 | * Version: 1.0.0(2019年06月24日) | |
| 9 | * Author: Guo Wenxue <guowenxue@gmail.com> | |
| 10 | * ChangeLog: 1, Release initial version on "2019年06月24日 23时46分47秒" | |
| 11 | * | |
| 12 | ********************************************************************************/ | |
| 13 | ||
| 14 | #include <stdio.h> | |
| 15 | #include <stdlib.h> | |
| 16 | #include <unistd.h> | |
| 17 | #include <fcntl.h> | |
| 18 | #include <dirent.h> | |
| 19 | #include <string.h> | |
| 20 | #include <time.h> | |
| 21 | #include <errno.h> | |
| 22 | ||
| 23 | #include "logger.h" | |
| 24 | #include "hal.h" | |
| 25 | ||
| 26 | int hal_init(hal_ctx_t *ctx) | |
| 27 | { | |
| 28 | if(!ctx) | |
| 29 | { | |
| 30 | log_error("Invalid input arguments\n"); | |
| 31 | return -1; | |
| 32 | } | |
| 33 | ||
| 34 | if( ctx->sht2x_enable ) | |
| 35 | { | |
| 36 | if( sht2x_init()< 0 ) | |
| 37 | { | |
| 38 | log_error("R&H sensor SHT2X initialise failure\n"); | |
| 39 | return -2; | |
| 40 | } | |
| 41 | else | |
| 42 | { | |
| 43 | log_info("R&H sensor SHT2X initialise okay\n"); | |
| 44 | } | |
| 45 | } | |
| 46 | ||
| 47 | if( ctx->lux_enable ) | |
| 48 | { | |
| 49 | if( tsl2561_init() < 0 ) | |
| 50 | { | |
| 51 | log_error("LUX sensor TSL2561 initialise failure\n"); | |
| 52 | return -2; | |
| 53 | } | |
| 54 | else | |
| 55 | { | |
| 56 | log_info("LUX sensor TSL2561 initialise okay\n"); | |
| 57 | } | |
| 58 | } | |
| 59 | ||
| 60 | gpio_init(&ctx->gpio); | |
| 61 | ||
| 62 | return 0; | |
| 63 | } | |
| 64 | ||
| 65 | ||
| 66 | void hal_term(hal_ctx_t *ctx) | |
| 67 | { | |
| 68 | if(!ctx) | |
| 69 | { | |
| 70 | log_error("Invalid input arguments\n"); | |
| 71 | return ; | |
| 72 | } | |
| 73 | ||
| 74 | ||
| 75 | if( ctx->sht2x_enable ) | |
| 76 | { | |
| 77 | sht2x_term(); | |
| 78 | } | |
| 79 | ||
| 80 | if( ctx->lux_enable ) | |
| 81 | { | |
| 82 | tsl2561_term(); | |
| 83 | } | |
| 84 | ||
| 85 | gpio_term(); | |
| 86 | ||
| 87 | return ; | |
| 88 | } | |
| 89 | ||
