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只需要一根线就可以完成uart协议分析,如下是RX的信号采样。 双方协商好的数据格式如图两处,格式是 1个起始位+8个数据位+1个停止位。 第一个字符是0x1B + 中间传输三个字符“C” “U” “S” + 最后一个字符0x0A 附录:一个比较好的资料:https://dreamsourcelab.cn/logic-analyzer/uart/ 2.spi 常用的是...
UPDATE with the logic analyzer: I finally got to take a look at what is actually leaving the receiver. The upper one is the "electronically-uninverted", raw output signal straight from the receiver. The lower one is inverted via the mosfet. That seems to be a little too ...
Parameter 都设置为 -pSTM32F103C8 (后面跟的是芯片型号) 2.点击方框内,开始调试,并打开logic analyzer窗口,进行波形分析 3.点击 Setup 选项,点击蓝色方框,输入USART1_SR,类型设置为比特流,并可以选择设置波形颜色。设置完就可以点击下方 Close 退出了 4.点击编译 5.查看波形 六、总结...
(typical, approximate) Crystal: +/-20ppm, 24MHz Error/Accuracy: pulse-width measurement: +/- 42ns (at 24MHz) Features: |Electronic Data Gathering Analysis And Retrieval| **Advanced Data Gathering and Analysis** The USB Logic Analyzer Device is a versatile tool designed for electronic data ...
The attached image shows what it looks like on my logic analyzer. BLE_Uart_Rx_Wake_Dummy_CYBLE-022001.cyprj_.Archive01.zip Like 3,276 0 3 Anonymous Not applicable 11 Jul 2016 In response to Anonymous Hi jrow, Interestingly your solution logic looks very similar to my final ...
The UART works fine with the logic analyzer, as shown in the attached screenshots. The DSView tool correctly detects the sentence I sent: “AAAAAAAA11:Process_Thread is busy working.” However, when I connected a USB UART bridge to the same pins and used Tera Term...
UART Block Diagram# The UART block diagram consists of two components namely the transmitter & receiver that is shown below. The transmitter section includes three blocks namely transmit hold register, shift register and also control logic. Likewise, the receiver section includes a receive hold regist...
Have you scoped the UART communication using an logic analyzer to verify the data you send to the device? Closing/Reopening might simply be resetting your buffers, hiding another issue which is not directly related to the software. Also, can you confirm your UART settings wit...
We want the logic analyzer to be able to tell us when a pin is high (1) and when it is low (0). To do this the analyzer device needs to have a reference to what the target device (our router) sees as low. A quick and easy way to do this is to connect the ground wire on...