![]() ![]() Variable length data payload (0-65535 bytes, as indicated by Size parameter). Simple checksum of part of the data field (only used for some commands, see Checksum). Inside the packet, the packet consists of a header and a variable-length body. Command Packet Įach command is a SLIP packet initiated by the host and results in a response packet. The replacing is to be done after the checksum and lengths are calculated, so the packet length may be longer than the size field below. Within the packet, all occurrences of 0xC0 and 0xDB are replaced with 0xDB 0xDC and 0xDB 0xDD, respectively. The bootloader protocol uses SLIP packet framing for data transmissions in both directions.Įach SLIP packet begins and ends with 0xC0. The ESP chip responds to the request with a SLIP encoded response packet, including status information and any data as a payload. ![]() ![]() The host computer sends a SLIP encoded command request to the ESP chip. There are differences in the serial protocol between ESP chips! To switch to documentation for a different chip, choose the desired target from the dropdown menu in the upper left corner. ![]()
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