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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D278716 O. Hartmann <ohartmann@walstatt.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|uslcom serial driver: |ucom(4)/uslcom(4)/uchcom(4) |communcation problem with |serial driver: communcation |FBSD > 13.2-RELENG |problem with FBSD > | |13.2-RELENG Component|kern |usb --- Comment #2 from O. Hartmann <ohartmann@walstatt.org> --- Another ESP32, this time with CH340 (uchcom(4)) chipset. On the Fujitsu Esprimo D538, attached with a Micro-USB cabling, consecutive connect attempts results in partial errors, while the CH340 seems to send at least something, while CP2102/CP2104 seems to give me nothing (see PR report above): [...] ohartmann@hebe:~ $ esptool.py --chip esp32 --baud 115200 --port /dev/cuaU0 read_mac esptool.py v4.7.0 Serial port /dev/cuaU0 Connecting....... Chip is ESP32-D0WD-V3 (revision v3.0) Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Sc= heme None Crystal is 40MHz MAC: XX:XX:XX:XX:XX:XX Uploading stub... A fatal error occurred: Invalid head of packet (0xAC): Possible serial nois= e or corruption. ohartmann@hebe:~ $ esptool.py --chip esp32 --baud 115200 --port /dev/cuaU0 read_mac esptool.py v4.7.0 Serial port /dev/cuaU0 Connecting.................... Chip is ESP32-D0WD-V3 (revision v3.0) Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Sc= heme None Crystal is 40MHz MAC: XX:XX:XX:XX:XX:XX Uploading stub... A fatal error occurred: Invalid head of packet (0x00): Possible serial nois= e or corruption. ohartmann@hebe:~ $ esptool.py --chip esp32 --baud 115200 --port /dev/cuaU0 read_mac esptool.py v4.7.0 Serial port /dev/cuaU0 Connecting..... Chip is ESP32-D0WD-V3 (revision v3.0) Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Sc= heme None Crystal is 40MHz MAC: XX:XX:XX:XX:XX:XX Uploading stub... Running stub... Stub running... MAC: 9XX:XX:XX:XX:XX:XX Hard resetting via RTS pin... ohartmann@hebe:~ $=20 [...] --=20 You are receiving this mail because: You are the assignee for the bug.=
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