{"id":24091875,"url":"https://github.com/Prry/rtt-tmp1075","last_synced_at":"2025-09-17T01:32:30.801Z","repository":{"id":113689156,"uuid":"259673393","full_name":"Prry/rtt-tmp1075","owner":"Prry","description":"tmp1075 driver for 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TMP1075 温度传感器驱动软件包\n\n\n\n## 1 简介\n\ntmp1075 软件包是基于RT-Thread sensor框架实现的一个驱动包。基于该软件包，RT-Thread应用程序可以使用标准的sensor接口访问tmp1075，获取传感器数据。\n\n\n\n### 1.1 目录结构\n\n| 名称       | 说明                  |\n| ---------- | --------------------- |\n| docs       | 文档目录              |\n| examples   | 例子目录              |\n| inc        | 头文件目录            |\n| src        | 源代码目录            |\n| LICENSE    | 许可证文件            |\n| SConscript | RT-Thread默认构建脚本 |\n\n\n\n### 1.2 许可证\n\ntmp1075 软件包遵循 Apache license v2.0 许可，详见 `LICENSE` 文件。\n\n\u003cbr\u003e\n\n## 2 传感器介绍\n\ntmp1075 是 Texas Instruments（德州仪器）公司开发的一款i2c接口的数字式温度传感器，具有供电范围广、功耗低、精度高优点。tmp1075与经典lm75、tmp75等xx75系列的温度传感器硬件上pin对pin完全兼容，软上基本兼容，稍作修改代码即可兼容使用。\n\n\n\n| 功能 | 量程     | 分辨率  | 精度 |\n| ---- | -------- | ------- | ---- |\n| 温度 | -55—127℃ | 0.0625℃ | ±1℃  |\n\n\u003cbr\u003e\n\n## 3 支持情况\n\n\n\n| 包含设备     | 温度计 |\n| ------------ | ------ |\n| **通信接口** |        |\n| IIC          | √      |\n| SPI          |        |\n| **工作模式** |        |\n| 轮询         | √      |\n| 中断         |        |\n| FIFO         |        |\n| **电源模式** |        |\n| 掉电         | √      |\n| 低功耗       |        |\n| 普通         | √      |\n\n\n\n\u003cbr\u003e\n\n## 4 使用说明\n\n### 4.1 依赖\n\n- RT-Thread 4.0.0+\n\n- sensor 框架组件\n\n- I2C 驱动，tmp1075设备使用 I2C 进行数据通讯，需要系统 I2C 驱动框架支持\n\n  \n\n### 4.2 获取软件包\n\n使用 tmp1075 package 需要在 RT-Thread 的包管理器中选择它，具体路径如下。然后让 RT-Thread 的包管理器自动更新，或者使用 `pkgs --update` 命令更新包到 BSP 中。如需使用示例程序，则使能\u003ccode\u003eEnable tmp1075 sample\u003c/code\u003e。\n\n```\nRT-Thread online packages ---\u003e\n    peripheral libraries and drivers ---\u003e\n        sensors drivers ---\u003e\n            [*] TMP1075 digital temperature sensor for i2c interface.\n            \t\t[*] Enable tmp1075 sample\n                    Version (latest)  ---\u003e\n```\n\n\u003e  **Version**：软件包版本选择，默认选择最新版本。 \n\n\n\n### 4.3 初始化\n\ntmp1075软件包初始化函数如下所示：\n\n```\nint rt_hw_tmp1075_init(const char *name, struct rt_sensor_config *cfg);\n```\n\n该函数需要由用户调用，函数主要完成的功能有:\n\n- 根据配置信息配置i2c名称、i2c地址等（可增加其他配置信息），然后初始化设备\n\n- 注册相应的传感器设备，完成 tmp1075设备的注册\n\n  \n\n**参考示例：**\n\n```\n#include \"tmp1075.h\"\n\nstatic int rt_hw_tmp1075_port(void)\n{\n    struct rt_sensor_config cfg;\n    \t\n\tcfg.intf.dev_name = \"i2c1\"; \t\t/* i2c bus */\n    cfg.intf.user_data = (void *)0x48;\t/* i2c slave addr */\n    rt_hw_tmp1075_init(\"tmp1075\", \u0026cfg);/* tmp1075 */\n\n    return RT_EOK;\n}\nINIT_COMPONENT_EXPORT(rt_hw_tmp1075_port);\n```\n\n\n\n### 4.4 读取数据\n\ntmp1075软件包基于sensor框架，sensor框架继承于RT-Thread标准设备框架，可以使用RT-Thread标准设备接口\"open/read\"读取传感器数据。\n\n\n\n**参考伪代码:**\n\n```\ntemp_dev = rt_device_find(\"temp_tmp1075\");\nrt_device_open(temp_dev, RT_DEVICE_FLAG_RDONLY)；\nrt_device_read(temp_dev, 0, \u0026sensor_data, 1);\n```\n\n\n\n### 4.5 msh/finsh测试\n\n#### 查看设备注册\n\n```\nmsh \u003elist_device\ndevice           type         ref count\n-------- -------------------- ----------\ntemp_tmp Sensor Device        1            \ni2c1     I2C Bus              0       \npin      Miscellaneous Device 0       \nuart4    Character Device     2       \n```\n\n\u003e注：\n\u003e\n\u003e完整设备名称为“temp_tmp1075”，终端显示有长度限制\n\n\n\n#### 运行例程周期打印数据\n\n```\n \\ | /\n- RT -     Thread Operating System\n / | \\     4.0.1 build Apr 28 2020\n 2006 - 2019 Copyright by rt-thread team\n[I/sensor] rt_sensor init success\ntemp[27.1C],timestamp[2]\nmsh \u003etemp[27.1C],timestamp[502]\ntemp[27.1C],timestamp[1002]\ntemp[27.0C],timestamp[1502]\n```\n\n\n\n#### 使用RTT自带的测试命令\n\n* 探测设备\n\n```\nmsh \u003esensor probe temp_tmp1075\n[I/sensor.cmd] device id: 0x7500!\n```\n\n\u003e 注：\n\u003e\n\u003e tmp1075设备id是16bit，“sensor”函数中，存放设备id变量为8bit，需改更改为16bit，否则输出id有误。sensor框架默认设备id为8bit？\n\n* 获取传感器信息\n\n```\nmsh \u003esensor info\nvendor :11\nmodel  :tmp1075_temp\nunit   :8\nrange_max :1250\nrange_min :-550\nperiod_min:100\nfifo_max  :0\n```\n\n\u003e 注：\n\u003e\n\u003e tmp1075器件厂商为德州仪器，sensor框架暂未提供，现暂定序号为11，已在RT-Thread源码上PR。\n\n* 读取温度数据\n\n```\nmsh \u003esensor read 3\n[I/sensor.cmd] num:  0, temp: 27.8C, timestamp: 3679\n[I/sensor.cmd] num:  1, temp: 27.9C, timestamp: 3690\n[I/sensor.cmd] num:  2, temp: 28.0C, timestamp: 3700\n```\n\n\u003cbr\u003e\n\n## 5 注意事项\n\n暂无\n\n\u003cbr\u003e\n\n## 6 联系方式\n\n- 维护：[Acuity](https://github.com/Prry)\n- 主页：\u003chttps://github.com/Prry/rtt-tmp1075\u003e    ","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FPrry%2Frtt-tmp1075","html_url":"https://awesome.ecosyste.ms/projects/github.com%2FPrry%2Frtt-tmp1075","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FPrry%2Frtt-tmp1075/lists"}