diff --git a/docs/hardware/en/logic_analyzer/combo8/faq.md b/docs/hardware/en/logic_analyzer/combo8/faq.md index 451c375b..d7e31f45 100644 --- a/docs/hardware/en/logic_analyzer/combo8/faq.md +++ b/docs/hardware/en/logic_analyzer/combo8/faq.md @@ -2,6 +2,11 @@ title: FAQ keywords: LogicAnalyzer, debugger, link, RISCV, tool update: + - date: 2026-08-12 + version: v0.2 + author: Sipeed + content: + - Updated CH7 floating-waveform and DAPLink serial troubleshooting - date: 2023-09-12 version: v0.1 author: lxo @@ -30,9 +35,9 @@ The following lists some common problems according to the form of Q&A, please tr **A:**This may be the result of unstable contact that causes the device to disconnect, try to re-plug the device and then reconnect it to solve the problem. -**Q:**When using 8-channel sampling, it was found that waveforms also appeared when the D7 channel was not connected. +**Q:**Why is the floating CH7 waveform noisy during 8-channel acquisition? -**A:**This is a problem to be solved, but this problem will not affect the sampled waveforms, and the waveform can still be acquired normally after connecting an external signal to the D7 channel. +**A:**This issue is fixed in `slogic_combo8_pack_202608121500.bin`. [Update to this release or a newer one](./update_firmware.md). A floating input can still pick up environmental noise, so verify acquisition with a known high or low level or an actual signal instead of using a floating channel as a reference. **Q:**When sampling waveforms, the waveforms in the display window do not match the actual waveforms. @@ -58,7 +63,7 @@ The following lists some common problems according to the form of Q&A, please tr **Q:**The serial port function in DAPLink mode does not work properly and messages are echoed back -**A:**Please refer [here](./update_firmware.md) to update the firmware to the latest version before trying again +**A:**This issue is fixed in `slogic_combo8_pack_202608121500.bin`. [Update to this release or a newer one](./update_firmware.md). The new release improves sustained high-speed transfers, serial-setting changes, and recovery after USB reconnection. **Q:**DAPLink error while burning firmware:`Connection refused due to device mismatch!` @@ -76,4 +81,3 @@ None **Q:**The serial terminal cannot open the serial port. **A:**Try using a different serial terminal. For Windows, you can try using XCOM, and for Linux, you can try using Minicom. - diff --git a/docs/hardware/en/logic_analyzer/combo8/update_firmware.md b/docs/hardware/en/logic_analyzer/combo8/update_firmware.md index 3aa76701..87dd1edb 100644 --- a/docs/hardware/en/logic_analyzer/combo8/update_firmware.md +++ b/docs/hardware/en/logic_analyzer/combo8/update_firmware.md @@ -2,6 +2,11 @@ title: Update Firmware keywords: LogicAnalyzer, debugger, link, tool update: + - date: 2026-08-12 + version: v0.2 + author: Sipeed + content: + - Added the fixes in `slogic_combo8_pack_202608121500.bin` and post-upgrade checks - date: 2023-09-01 version: v0.1 author: lxo @@ -17,10 +22,15 @@ Tool: [Click to download](https://dl.sipeed.com/shareURL/SLogic/SLogic_combo_8/4 Firmware: [Click to download](https://dl.sipeed.com/shareURL/SLogic/SLogic_combo_8/4_application/Firmware) -Just select the latest version of the burning tool and firmware, and unzip it after downloading. +Use the latest flashing tool. Select `slogic_combo8_pack_202608121500.bin` or a newer firmware release, then extract the downloaded files. > Note:When the firmware is named `slogic_combo8_pack_202308171404.bin`, the date is 17/08/2023. The date naming rules are similar for other firmware. +`slogic_combo8_pack_202608121500.bin` includes these fixes: + +- LA: fixes the dirty waveform on a floating CH7. +- DAPLink: fixes serial instability and improves sustained high-speed transfers, serial-setting changes, and recovery after USB reconnection. + ## Configure Tool 1. Start the tool @@ -59,4 +69,8 @@ Configure the serial port and baud rate, and click `Create & Download` to downlo ![download_firmware](./../../../zh/logic_analyzer/combo8/assets/download_firmware/download_firmware.png) -After the download is completed, the progress bar displays a green box, indicating that the download is successful and the firmware update is completed. \ No newline at end of file +When the progress bar turns green, power-cycle the device and check the update: + +1. Switch to blue logic-analyzer mode and confirm that the system detects `SLogic8 U2`. +2. Switch to green DAPLink mode and confirm that the system detects `RV CMSIS-DAP`. +3. If the update was intended to resolve DAPLink serial or debug stability, repeat the original test with the same wiring and baud rate. diff --git a/docs/hardware/en/logic_analyzer/combo8/use_daplink_function.md b/docs/hardware/en/logic_analyzer/combo8/use_daplink_function.md index 2eefc7af..e67360ed 100644 --- a/docs/hardware/en/logic_analyzer/combo8/use_daplink_function.md +++ b/docs/hardware/en/logic_analyzer/combo8/use_daplink_function.md @@ -2,6 +2,11 @@ title: Using as DAPLink keywords: LogicAnalyzer, debugger, link, RISCV, tool update: + - date: 2026-08-12 + version: v0.2 + author: Sipeed + content: + - Documented the DAPLink serial stability fix - date: 2023-07-26 version: v0.1 author: ctx @@ -32,10 +37,12 @@ Here's a step-by-step guide on using the STM32F103C8T6 chip with Windows MDK IDE In DAPLink mode, it can simultaneously support one DAPLink interface and one UART interface. -The pins on the left side of the diagram (TXD, RXD) can be used as a UART interface. (note: DTR and RTS are reserved.) +The pins on the left side of the diagram (TXD, RXD) carry UART data. The latest firmware also outputs the CDC DTR and RTS control signals. The pins on the right side of the diagram (TCK, TDI, TDO, TMS) are used for DAPLink debugging. +`slogic_combo8_pack_202608121500.bin` fixes DAPLink serial instability and improves sustained high-speed transfers, serial-setting changes, and recovery after USB reconnection. If data is lost, unexpected echoes appear, or the serial bridge stops transferring, [update to this release or a newer one](./update_firmware.md). + ### Connecting DAPLink using MDK - Set the Reset Options to SYSRESETREQ. - In CMSIS-DAP, locate and select the RV CMSIS-DAP device. @@ -51,4 +58,3 @@ The pins on the right side of the diagram (TCK, TDI, TDO, TMS) are used for DAPL ![start_debugger_in_mdk](./../../../zh/logic_analyzer/combo8/assets/use_daplink_function/start_debugger_in_mdk.png) Thank you for the document contribution from 'dragonforward'. - diff --git a/docs/hardware/en/logic_analyzer/combo8/use_logic_function.md b/docs/hardware/en/logic_analyzer/combo8/use_logic_function.md index 4a3a20b1..3c9bedd2 100644 --- a/docs/hardware/en/logic_analyzer/combo8/use_logic_function.md +++ b/docs/hardware/en/logic_analyzer/combo8/use_logic_function.md @@ -2,6 +2,11 @@ title: Using as a Logic Analyzer keywords: LogicAnalyzer, debugger, link, RISCV, tool update: + - date: 2026-08-12 + version: v0.2 + author: Sipeed + content: + - Updated the device name and removed the resolved floating-CH7 note - date: 2023-07-26 version: v0.1 author: ctx @@ -16,7 +21,7 @@ Press the button to switch the indicator light to blue. As shown below: ![slogic_led_blue](./../../../zh/logic_analyzer/combo8/assets/use_logic_function/slogic_led_blue.png) > To verify if Slogic functionality is enabled: -> Open the device manager in Windows environment, and use the lsusb command in Linux environment to find the "USB TO LA" device +> Check Device Manager on Windows or run `lsusb` on Linux. The device name is `SLogic8 U2`. ## Getting Started @@ -93,8 +98,6 @@ The connection will be made automatically on first startup, or you can choose to ![waveform_fast_of_pulseview](./../../../zh/logic_analyzer/combo8/assets/use_logic_function/waveform_fast_of_pulseview.png) -> Note:If the D7 channel is not used during the sampling process, a level inversion of the channel may be observed, but this is normal and does not affect normal use. - #### Analyze the Sampling Result 1. Open the protocol analysis function diff --git a/docs/hardware/zh/logic_analyzer/combo8/faq.md b/docs/hardware/zh/logic_analyzer/combo8/faq.md index 0bae0fc5..2d47edc7 100644 --- a/docs/hardware/zh/logic_analyzer/combo8/faq.md +++ b/docs/hardware/zh/logic_analyzer/combo8/faq.md @@ -2,6 +2,11 @@ title: 常见问题(FAQ) keywords: LogicAnalyzer, debugger, link, RISCV, tool update: + - date: 2026-08-12 + version: v0.2 + author: Sipeed + content: + - 更新 CH7 悬空波形和 DAPLink 串口问题 - date: 2023-09-12 version: v0.1 author: lxo @@ -31,9 +36,9 @@ update: **A:**这可能是接触不稳定导致设备断连了，尝试重新插拔设备后再重新连接即可 -### 使用8通道采集时发现D7通道在悬空时也会出现波形 +### 使用 8 通道采集时发现 CH7 悬空波形不干净 -**A:**这是一个待解决的问题，但这个问题不会影响采集波形，给D7通道接入外部信号后仍然可以正常采集波形。如果不需要这个通道时也可以隐藏这个通道，很抱歉给您带来了困扰。 +**A:**该问题已在 `slogic_combo8_pack_202608121500.bin` 中修复，请[更新到该版本或更新版本](./update_firmware.md)。悬空输入仍可能拾取环境噪声；判断采集是否正常时，应连接确定的高、低电平或实际待测信号，不要以悬空通道为基准。 ### 波形采集时，波形显示窗口中的波形和实际的波形不一致 @@ -57,7 +62,7 @@ update: ### DAPLink模式的串口功能无法正常使用，出现回显的情况 -**A:**请在更新固件章节中将固件更新到最新版本后再尝试 +**A:**该问题已在 `slogic_combo8_pack_202608121500.bin` 中修复，请[更新到该版本或更新版本](./update_firmware.md)。新版改进了高速连续传输、串口参数切换以及 USB 重新连接后的恢复过程。 ### DAPLink在烧录固件时报错`Connection refused due to device mismatch!` @@ -81,4 +86,3 @@ None ### 串口终端无法打开串口 **A:**尝试一下其他的串口助手，Windows上可以尝试使用XCOM，Linux上可以尝试使用Minicom - diff --git a/docs/hardware/zh/logic_analyzer/combo8/update_firmware.md b/docs/hardware/zh/logic_analyzer/combo8/update_firmware.md index 382fa66e..c3f27bcd 100644 --- a/docs/hardware/zh/logic_analyzer/combo8/update_firmware.md +++ b/docs/hardware/zh/logic_analyzer/combo8/update_firmware.md @@ -2,6 +2,11 @@ title: 更新固件 keywords: LogicAnalyzer, debugger, link, tool update: + - date: 2026-08-12 + version: v0.2 + author: Sipeed + content: + - 增加 `slogic_combo8_pack_202608121500.bin` 修复说明和升级后检查项 - date: 2023-09-01 version: v0.1 author: lxo @@ -17,10 +22,15 @@ update: 固件：[点击下载](https://dl.sipeed.com/shareURL/SLogic/SLogic_combo_8/4_application/Firmware) -烧录工具和固件选择最新版本即可，下载完成后自行解压 +烧录工具选择最新版本。固件请选择 `slogic_combo8_pack_202608121500.bin` 或更新版本，下载完成后自行解压。 > 注：当固件名为`slogic_combo8_pack_202308171404.bin`时，日期为2023年08月17日。其他固件的日期命名规则类似。 +`slogic_combo8_pack_202608121500.bin` 包含以下修复： + +- LA：修复 CH7 悬空时波形不干净的问题； +- DAPLink：修复串口不稳定问题，改进高速连续传输、串口参数切换以及 USB 重新连接后的恢复过程。 + ## 配置烧录工具 1. 启动烧录工具 @@ -59,4 +69,8 @@ update: ![download_firmware](./assets/download_firmware/download_firmware.png) -下载完成后，进度条显示绿框说明下载成功，更新固件完成 \ No newline at end of file +下载完成后，进度条显示绿框说明下载成功。重新上电，并按以下步骤确认更新结果： + +1. 切换到蓝灯逻辑分析仪模式，确认系统识别到 `SLogic8 U2`； +2. 切换到绿灯 DAPLink 模式，确认系统识别到 `RV CMSIS-DAP`； +3. 如果升级是为了解决 DAPLink 串口或调试稳定性问题，请按原连接和速率重新测试。 diff --git a/docs/hardware/zh/logic_analyzer/combo8/use_daplink_function.md b/docs/hardware/zh/logic_analyzer/combo8/use_daplink_function.md index 400a315e..76ca0877 100644 --- a/docs/hardware/zh/logic_analyzer/combo8/use_daplink_function.md +++ b/docs/hardware/zh/logic_analyzer/combo8/use_daplink_function.md @@ -2,6 +2,11 @@ title: 作为DAPLink使用 keywords: LogicAnalyzer, debugger, link, RISCV, tool update: + - date: 2026-08-12 + version: v0.2 + author: Sipeed + content: + - 补充 DAPLink 串口稳定性修复 - date: 2023-07-23 version: v0.1 author: lxo @@ -32,10 +37,12 @@ SLogic Combo 8 具备高速DAP-Link功能，适用于各种常规芯片，尤其 DAPLink模式下可以同时支持一路DAPLink和一路UART -- 上图左侧的引脚（TXD、RXD）可以作为串口使用（注：DTR、RTS 保留未使用） +- 上图左侧的引脚（TXD、RXD）用于串口收发。最新固件也会同步输出 CDC DTR、RTS 控制信号。 - 上图右侧的引脚（TCK(SWCLK)、TDI、TDO、TMS(SWDIO)）作为DAPLink调试使用 +`slogic_combo8_pack_202608121500.bin` 修复了 DAPLink 模式下的串口不稳定问题，改进了高速连续传输、串口参数切换以及 USB 重新连接后的恢复过程。遇到丢数据、异常回显或串口停止收发时，请先[更新到该版本或更新版本](./update_firmware.md)。 + ### 使用MDK连接DAPLink 1. 设置Reset Options为SYSRESETREQ @@ -82,4 +89,4 @@ xpack 版本 openocd 下载链接为https://xpack.github.io/dev-tools/openocd/re ![](./assets/use_daplink_function/dap_clion_not_found.jpg) -感谢群友`dragonforward`的文档贡献 \ No newline at end of file +感谢群友`dragonforward`的文档贡献 diff --git a/docs/hardware/zh/logic_analyzer/combo8/use_logic_function.md b/docs/hardware/zh/logic_analyzer/combo8/use_logic_function.md index 22a18edd..f5908a08 100644 --- a/docs/hardware/zh/logic_analyzer/combo8/use_logic_function.md +++ b/docs/hardware/zh/logic_analyzer/combo8/use_logic_function.md @@ -2,6 +2,11 @@ title: 作为逻辑分析仪使用 keywords: LogicAnalyzer, debugger, link, RISCV, tool update: + - date: 2026-08-12 + version: v0.2 + author: Sipeed + content: + - 更新设备名称并移除已修复的 CH7 悬空通道异常说明 - date: 2023-07-23 version: v0.1 author: lxo @@ -16,7 +21,7 @@ update: ![slogic_led_blue](./assets/use_logic_function/slogic_led_blue.png) > 验证逻辑分析仪功能是否开启: -> Windows环境打开设备管理器，Linux环境使用lsusb命令，可以找到"USB TO LA"设备 +> Windows 环境可在设备管理器中查看，Linux 环境可运行 `lsusb`，设备名称为 `SLogic8 U2`。 ## 开始使用 @@ -91,8 +96,6 @@ PulseView-SLogic-250910-aarch64.dmg ![waveform_fast_of_pulseview](./assets/use_logic_function/waveform_fast_of_pulseview.png) -> 若在采样过程中未使用D7通道，可能会观察到该通道的电平反转现象，该现象为正常情况不影响正常使用 - #### 分析采样结果 1. 打开协议选择栏 @@ -230,4 +233,4 @@ PulseView-SLogic-250910-aarch64.dmg 1. 逻辑分析仪与电脑是共地的，如果待测设备是强电系统，务必使用"USB隔离器"来进行隔离措施。否则，很可能会造成逻辑分析仪或电脑损坏的风险 2. GND 通道与被测系统的 GND 必须可靠连接，尽可能的短 3. 信号通道必须可靠连接至被测系统的待测信号位置，不可随意“嫁接”，导致干扰的引入 -4. 如果不注意接线方式，很可能会引入很多毛刺，导致软件无法分析数据 \ No newline at end of file +4. 如果不注意接线方式，很可能会引入很多毛刺，导致软件无法分析数据