esp-idf/docs/_static/diagrams/ring-buffer/ring_buffer_send_byte_buf.diag

#Diagram demonstrating sending in byte buffer
#Buffer of 128 bytes, and 3 items of size 18, 3, and 27 bytes sent

packetdiag ring_buffer_send_byte_buf {
    node_width = 6
    node_height = 24
    default_fontsize = 12
    colwidth = 128

    #Add 18 byte item
    0-17: 18 [color = lightyellow];
    18-127: 110 Free

    #Add 3 byte item
    128-148: 21 [color = lightyellow];
    149-255: 107 Free

    #Add 27 byte item
    256-303: 48 [color = lightyellow];
    304-383: 80 Free
}