嵌入式安全与1-Wire

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by zhongsheng
嵌入式安全与1-Wire

Latest 7 months ago by ADIYX
430 2 0
Answered
ds2482读取个别18b20，温度返回0x7FF 0
Answered

用DS2482驱动18B20，大多数18B20读取温度正常，但有的18B20读取温度异常，返回0x7FF。针对该问题进行了一下排查工作 1.异常的18B20用onewireviewer可正常读取温度，证明18B20本身无问题； 2.异常的18B20的ID匹配正常，DS2482可识别到温度异常的18B20存在； 3.用示波器抓取了单总线上波形，发现18B20实际返回温度的就是0x7ff； 4.DS2482挂接1个或多个18B20，异常的18B20返回温度都是0x7FF。请问可能是什么原因造成的该现象...

hardware 1-Wire Interface Products DS2482-100 1-Wire Devices

430 2 0
by shenshen
嵌入式安全与1-Wire

Latest 8 months ago by ADIYX
156 1 0
Answered
DS28E01P的family code是什么？ 0
Answered

我读取到的DS28E01P的ROMID是 2F CE 3F 39 03 00 00 F5，这个ROMID是对的吗， DS28E01P的family code是2F吗？

Datasheet/Specs DS28E01P 1-Wire Memory (EPROM 1-Wire Devices ROM ID Show More

156 1 0
by MINGHE
嵌入式安全与1-Wire

Latest 9 months ago by ADIYX
885 8 0
Answered
ds2484 读取max1888 程序，怎么不能读取温度和IO口状态 0
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ds2484 读取max1888 程序，怎么不能读取温度和IO口状态 /* Includes ------------------------------------------------------------------*/ #include "DS2484_MAX31888.h" #include "DS2484_DS18B20.h" void DS2484_MAX31888_delay(uint32_t nCount) { for (; nCount != 0; nCount-...

ds2484 读取max1888 程序，怎么不能读取温度和IO口状态 1-Wire Interface Products 1-Wire Devices

885 8 0
by yuufjnh
嵌入式安全与1-Wire

Latest 9 months ago by yuufjnh
567 4 0
Answered
软件 0
Answered

ibutton数据无法全部读取，这东西不是显示最高能存几万个数据吗，我用它记录了4000多个数据，但读取时只能读取出2048个数据，怎么办啊

software ibutton数据无法全部读取 iButton

567 4 0
by DS28E01P
嵌入式安全与1-Wire

Latest 9 months ago by ADIYX
197 1 0
Answered
DS28E01P drv verilog code 0
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DS28E01P FPGA drv code

software DS28E01P 00

197 1 0

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ds2482读取个别18b20，温度返回0x7FF 0
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DS28E01P的family code是什么？ 0
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ds2484 读取max1888 程序，怎么不能读取温度和IO口状态 0
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DS28E01P drv verilog code 0
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Answered ds2482读取个别18b20，温度返回0x7FF 0 Answered

Answered DS28E01P的family code是什么？ 0 Answered

Answered ds2484 读取max1888 程序，怎么不能读取温度和IO口状态 0 Answered

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Answered DS28E01P drv verilog code 0 Answered

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ds2482读取个别18b20，温度返回0x7FF 0
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DS28E01P的family code是什么？ 0
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ds2484 读取max1888 程序，怎么不能读取温度和IO口状态 0
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软件 0
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DS28E01P drv verilog code 0
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