{"id":16146172,"url":"https://github.com/libdriver/ds18b20","last_synced_at":"2025-04-06T19:13:14.313Z","repository":{"id":42041715,"uuid":"366091467","full_name":"libdriver/ds18b20","owner":"libdriver","description":"DS18B20 full function driver library for general MCU and Linux.","archived":false,"fork":false,"pushed_at":"2024-08-31T11:21:30.000Z","size":3660,"stargazers_count":262,"open_issues_count":0,"forks_count":43,"subscribers_count":22,"default_branch":"main","last_synced_at":"2024-10-11T00:19:16.182Z","etag":null,"topics":["c","ds18b20","full-function-driver","linux","mcu","onewire","temperature","thermometer"],"latest_commit_sha":null,"homepage":"https://www.libdriver.com","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/libdriver.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGELOG.md","contributing":"CONTRIBUTING.md","funding":null,"license":"LICENSE","code_of_conduct":"CODE_OF_CONDUCT.md","threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":"SECURITY.md","support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2021-05-10T15:32:27.000Z","updated_at":"2024-09-19T05:12:23.000Z","dependencies_parsed_at":"2023-02-18T21:00:40.156Z","dependency_job_id":"ca8ee9a6-7e67-4a4c-9d98-8394ac510d3b","html_url":"https://github.com/libdriver/ds18b20","commit_stats":null,"previous_names":["libdriver/ds18b20"],"tags_count":2,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/libdriver%2Fds18b20","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/libdriver%2Fds18b20/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/libdriver%2Fds18b20/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/libdriver%2Fds18b20/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/libdriver","download_url":"https://codeload.github.com/libdriver/ds18b20/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247535519,"owners_count":20954576,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["c","ds18b20","full-function-driver","linux","mcu","onewire","temperature","thermometer"],"created_at":"2024-10-10T00:19:19.502Z","updated_at":"2025-04-06T19:13:14.290Z","avatar_url":"https://github.com/libdriver.png","language":"C","readme":"[English](/README.md) | [ 简体中文](/README_zh-Hans.md) | [繁體中文](/README_zh-Hant.md) | [日本語](/README_ja.md) | [Deutsch](/README_de.md) | [한국어](/README_ko.md)\n\n\u003cdiv align=center\u003e\n\u003cimg src=\"/doc/image/logo.svg\" width=\"400\" height=\"150\"/\u003e\n\u003c/div\u003e\n\n## LibDriver DS18B20\n\n[![MISRA](https://img.shields.io/badge/misra-compliant-brightgreen.svg)](/misra/README.md) [![API](https://img.shields.io/badge/api-reference-blue.svg)](https://www.libdriver.com/docs/ds18b20/index.html) [![License](https://img.shields.io/badge/license-MIT-brightgreen.svg)](/LICENSE)\n\nThe DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-Wire bus that by definition requires only one data line (and ground) for communication with a central microprocessor.In addition, the DS18B20 can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply.Each DS18B20 has a unique 64-bit serial code, which allows multiple DS18B20s to function on the same 1-Wire bus. Thus, it is simple to use one microprocessor to control many DS18B20s distributed over a large area.Applications that can benefit from this feature include HVAC environmental controls, temperature monitoring systems inside buildings, equipment, or machinery, and process monitoring and control systems.\n\nLibDriver DS18B20 is a full function DS18B20 driver launched by LibDriver. It provides the functions of temperature reading, ROM matching temperature reading, alarm reading and searching ROM function. LibDriver is MISRA compliant.\n\n### Table of Contents\n\n  - [Instruction](#Instruction)\n  - [Install](#Install)\n  - [Usage](#Usage)\n    - [example basic](#example-basic)\n    - [example match](#example-match)\n    - [example alarm](#example-alarm)\n    - [example search](#example-search)\n  - [Document](#Document)\n  - [Contributing](#Contributing)\n  - [License](#License)\n  - [Contact Us](#Contact-Us)\n\n### Instruction\n\n/src includes LibDriver DS18B20 source files.\n\n/interface includes LibDriver DS18B20 onewire platform independent template.\n\n/test includes LibDriver DS18B20 driver test code and this code can test the chip necessary function simply.\n\n/example includes LibDriver DS18B20 sample code.\n\n/doc includes LibDriver DS18B20 offline document.\n\n/datasheet includes DS18B20 datasheet.\n\n/project includes the common Linux and MCU development board sample code. All projects use the shell script to debug the driver and the detail instruction can be found in each project's README.md.\n\n/misra includes the LibDriver MISRA code scanning results.\n\n### Install\n\nReference /interface onewire platform independent template and finish your platform onewire driver.\n\nAdd the /src directory, the interface driver for your platform, and your own drivers to your project, if you want to use the default example drivers, add the /example directory to your project.\n\n### Usage\n\nYou can refer to the examples in the /example directory to complete your own driver. If you want to use the default programming examples, here's how to use them.\n\n#### example basic\n\n```C\n#include \"driver_ds18b20_basic.h\"\n\nuint8_t res;\nuint8_t i;\nfloat temperature;\n\nres = ds18b20_basic_init();\nif (res != 0)\n{\n    return 1;\n}\n\n...\n\nfor (i = 0; i \u003c 3; i++)\n{\n    ds18b20_interface_delay_ms(2000);\n    res = ds18b20_basic_read((float *)\u0026temperature);\n    if (res != 0)\n    {\n        (void)ds18b20_basic_deinit();\n\n        return 1;\n    }\n    ds18b20_interface_debug_print(\"ds18b20: temperature is %0.2fC.\\n\", temperature);\n    \n    ...\n    \n}\n\n...\n\n(void)ds18b20_basic_deinit();\n\nreturn 0;\n```\n\n#### example match\n\n```C\n#include \"driver_ds18b20_match.h\"\n\nuint8_t res;\nuint8_t i;\nfloat temperature;\nuint8_t rom[8];\n\nres = ds18b20_match_init();\nif (res != 0)\n{\n    return 1;\n}\n\n...\n\nfor (i = 0; i \u003c 3; i++)\n{\n    ds18b20_interface_delay_ms(2000);\n    res = ds18b20_match_read((uint8_t *)rom, (float *)\u0026temperature);\n    if (res != 0)\n    {\n        (void)ds18b20_match_deinit();\n\n        return 1;\n    }\n    ds18b20_interface_debug_print(\"ds18b20: temperature is %0.2fC.\\n\", temperature);\n    \n    ...\n    \n}\n\n...\n\n(void)ds18b20_match_deinit();\n\nreturn 0;\n```\n\n#### example alarm\n\n```C\n#include \"driver_ds18b20_alarm.h\"\n\nuint8_t res;\nuint8_t rom[8][8];\nuint8_t num;\nuint8_t i, j;\n\nres = ds18b20_alarm_init();\nif (res != 0)\n{\n    return 1;\n}\n\n...\n\nnum = 8;\nres = ds18b20_alarm_search((uint8_t (*)[8])rom, (uint8_t *)\u0026num);\nif (res != 0)\n{\n    (void)ds18b20_alarm_deinit();\n\n    return 1;\n}\nds18b20_interface_debug_print(\"ds18b20: find %d alarm rom(s).\\n\", num);\n\n...\n\nfor (i = 0; i \u003c num; i++)\n{\n    for (j = 0; j \u003c 8; j++)\n    {\n        ds18b20_interface_debug_print(\"%02X \", rom[i][j]);\n    }\n    ds18b20_interface_debug_print(\".\\n\");\n    \n    ...\n    \n}\n\n...\n\n(void)ds18b20_alarm_deinit();\n\nreturn 0;\n```\n\n#### example search\n\n```C\n#include \"driver_ds18b20_search.h\"\n\nuint8_t res, i, j;\nuint8_t rom[8][8];\nuint8_t num;\n\nres = ds18b20_search_init();\nif (res != 0)\n{\n    return 1;\n}\n\n...\n\nnum = 8;\nres = ds18b20_search((uint8_t (*)[8])rom, (uint8_t *)\u0026num);\nif (res != 0)\n{\n    (void)ds18b20_search_deinit();\n\n    return 1;\n}\nds18b20_interface_debug_print(\"ds18b20: find %d rom(s).\\n\", num);\n\n...\n\nfor (i = 0; i \u003c num; i++)\n{\n    ds18b20_interface_debug_print(\"ds18b20: %d/%d is \", (uint32_t)(i+1), (uint32_t)num);\n    for (j = 0; j \u003c 8; j++)\n    {\n        ds18b20_interface_debug_print(\"%02X \", rom[i][j]);\n    }\n    ds18b20_interface_debug_print(\".\\n\");\n    \n    ...\n    \n}\n\n...\n    \n(void)ds18b20_search_deinit();\n\nreturn 0;\n```\n\n### Document\n\nOnline documents: [https://www.libdriver.com/docs/ds18b20/index.html](https://www.libdriver.com/docs/ds18b20/index.html).\n\nOffline documents: /doc/html/index.html.\n\n### Contributing\n\nPlease refer to CONTRIBUTING.md.\n\n### License\n\nCopyright (c) 2015 - present LibDriver All rights reserved\n\n\n\nThe MIT License (MIT) \n\n\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\n\nof this software and associated documentation files (the \"Software\"), to deal\n\nin the Software without restriction, including without limitation the rights\n\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n\ncopies of the Software, and to permit persons to whom the Software is\n\nfurnished to do so, subject to the following conditions: \n\n\n\nThe above copyright notice and this permission notice shall be included in all\n\ncopies or substantial portions of the Software. \n\n\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n\nSOFTWARE. \n\n### Contact Us\n\nPlease send an e-mail to lishifenging@outlook.com.","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flibdriver%2Fds18b20","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flibdriver%2Fds18b20","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flibdriver%2Fds18b20/lists"}