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@gjhenrique
Created Nov 21, 2021
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Craft a HCI_Enhanced_Setup_Synchronous_Connection command to decrease the eSCO call connection. Not working for me
ogf = '0x01' # Opcode Group Field
ocf = '0x003d' # Opcode Command Field
# Change this according to the handle
handle = 266
def binary(data)
data[2..-1].split("").each_slice(2).map { |i| "#{i.join}" }.reverse
end
def calculate_handle(handle)
hex_handle = handle.to_s(16)
diff = 4 - hex_handle.length
"0x#{"0" * diff}#{hex_handle}"
end
args = [
calculate_handle(handle),
'0x00001F40', # tx_bandwidth
'0x00001F40', # rx_bandwidth
'0x0000000005', # tx_coding_format
'0x0000000005', # rx_coding_format
'0x003C', # tx_codec_frame
'0x003C', # rx_codec_frame
'0x00007D00', # input_bandwidth
'0x00007D00', # output_bandwidth
'0x0000000004', # input_coding_format
'0x0000000004', # output_coding_format
'0x0010', # input_codec_size
'0x0010', # output_codec_size
'0x02', # input_pcm_format
'0x02', # input_pcm_format
'0x00', # input_pcm_sample
'0x00', # output_pcm_sample
'0x01', # input_data_path
'0x01', # output_data_path
'0x00', # input_transport
'0x00', # output_transport
'0x000D', # max_latency
'0x0308', # packet_type
'0x02', # retransmission_effort
]
data = args.map { |n| binary(n) }.flatten.join(" ")
cmd = "hcitool cmd #{ogf} #{ocf} #{data}"
puts cmd
puts `#{cmd}`
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