[BUG]nrf 52840 dongle使用python库出错 #10
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你能不能把报错的完整信息截张图？你这个一堆的乱码，我从中看了一些信息，这个应该不是找不到串口，应该是你配置不当导致的 |
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不好意思，忘改格式了。 |
xiaolongba
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不好意思，我没有搞过这个python库，你的这个问题，官方的论坛也有人遇到，点我跳转 |
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好像问题不太一样，我问了下官方，官方回复说可能是因为版本问题导致的，要使用5.版本，我想问下这个dongle的hex版本是多少呢？ |
这个我要回去用nrf connect看看能不能读出版本号，目前建议你用最新的nRF Connect然后更新你手头上的Dongle Frimware |
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你可以将Dongle的插入PC中，然后打开电脑端的nRF Connect，然后你就可以读到你目前Dongle当前的固件版本，下图是我手上这个Dongle的Firmware版本： |
你好，我想升级这个版本到v5版本，要如何操作才能升级呢？ |
这个你可能要参考如何修复或者更新nRF52840 Dongle固件,然后使用最新的SDK去更新这个固件 |
当我在运行nrf官方python库中心率的例子时，我会出现下面这个错误，这是什么导致了驱动程序不能识别串口？但我在NRF connect桌面和命令行找到了这个设备。
python3 heart_rate_collector.py NRF52 /dev/tty.usbmodemC8A5C57A42372 ['heart_rate_collector.py', 'NRF52', '/dev/tty.usbmodemC8A5C57A42372'] Serial port used: /dev/tty.usbmodemC8A5C57A42372 2020-05-07 16:40:30,680 [123145336700928/LogThread] Successfully opened /dev/tty.usbmodemC8A5C57A42372. Baud rate: 1000000. Flow control: none. Parity: none. 2020-05-07 16:40:30,680 [123145336700928/LogThread] evt> severity(20) message(Successfully opened /dev/tty.usbmodemC8A5C57A42372. Baud rate: 1000000. Flow control: none. Parity: none.) 2020-05-07 16:40:30,681 [123145341956096/StatusThread] RpcAppStatus.resetPerformed: Target Reset performed 2020-05-07 16:40:30,681 [123145341956096/StatusThread] evt> status code(RpcAppStatus.resetPerformed) message(Target Reset performed) 2020-05-07 16:40:31,889 [123145341956096/StatusThread] RpcAppStatus.connectionActive: Connection active 2020-05-07 16:40:31,890 [123145341956096/StatusThread] evt> status code(RpcAppStatus.connectionActive) message(Connection active) 2020-05-07 16:40:31,995 [123145341956096/StatusThread] RpcAppStatus.ioResourcesUnavailable: serial port read failed on port /dev/tty.usbmodemC8A5C57A42372. Error: Device not configured [6] 2020-05-07 16:40:31,995 [123145341956096/StatusThread] evt> status code(RpcAppStatus.ioResourcesUnavailable) message(serial port read failed on port /dev/tty.usbmodemC8A5C57A42372. Error: Device not configured [6]) 2020-05-07 16:40:33,391 [123145336700928/LogThread] Failed to receive response for command Traceback (most recent call last): File "heart_rate_collector.py", line 222, in 2020-05-07 16:40:33,392 [123145336700928/LogThread] evt> severity(30) message(Failed to receive response for command) 2020-05-07 16:40:33,393 [123145341956096/StatusThread] RpcAppStatus.pktSendError: Error sending packet to target. Code: 0x8016 2020-05-07 16:40:33,393 [123145341956096/StatusThread] evt> status code(RpcAppStatus.pktSendError) message(Error sending packet to target. Code: 0x8016) main(serial_port) File "heart_rate_collector.py", line 178, in main collector.open() File "heart_rate_collector.py", line 103, in open self.adapter.driver.ble_cfg_set(BLEConfig.conn_gatt, gatt_cfg) File "/usr/local/lib/python3.7/site-packages/pc_ble_driver_py/ble_driver.py", line 107, in wrapper error_code=err_code, pc_ble_driver_py.exceptions.NordicSemiException: Failed to ble_cfg_set. Error code: NRF_ERROR_SD_RPC_SEND
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