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read characteristic value about gatt-python HOT 4 OPEN

getsenic avatar getsenic commented on July 22, 2024
read characteristic value

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Comments (4)

abhatikar avatar abhatikar commented on July 22, 2024 1

I didn't use the gatt-python. I wrote a C application to interact with BLE device.

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abhatikar avatar abhatikar commented on July 22, 2024

Please let me know if I am missing something

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abhatikar avatar abhatikar commented on July 22, 2024

gatttool utility seems to work. Please help how to use this library. Thanks in advance,

gatttool -b "aa:4f:9f:55:30:00" -I
[aa:4f:9f:55:30:00][LE]> connect
Attempting to connect to aa:4f:9f:55:30:00
Connection successful
[aa:4f:9f:55:30:00][LE]> char-desc
handle: 0x0001, uuid: 00002800-0000-1000-8000-00805f9b34fb
handle: 0x0002, uuid: 00002803-0000-1000-8000-00805f9b34fb
handle: 0x0003, uuid: 00002a00-0000-1000-8000-00805f9b34fb
handle: 0x0004, uuid: 00002803-0000-1000-8000-00805f9b34fb
handle: 0x0005, uuid: 00002a01-0000-1000-8000-00805f9b34fb
handle: 0x0006, uuid: 00002800-0000-1000-8000-00805f9b34fb
handle: 0x0007, uuid: 00002803-0000-1000-8000-00805f9b34fb
handle: 0x0008, uuid: 00002a05-0000-1000-8000-00805f9b34fb
handle: 0x0009, uuid: 00002902-0000-1000-8000-00805f9b34fb
handle: 0x000a, uuid: 00002800-0000-1000-8000-00805f9b34fb
handle: 0x000b, uuid: 00002803-0000-1000-8000-00805f9b34fb
handle: 0x000c, uuid: 00002a19-0000-1000-8000-00805f9b34fb
handle: 0x000d, uuid: 00002902-0000-1000-8000-00805f9b34fb
[aa:4f:9f:55:30:00][LE]> char-write-req 0x000d 0100
Characteristic value was written successfully
Notification handle = 0x000c value: 05
Notification handle = 0x000c value: 04
Notification handle = 0x000c value: 05
Notification handle = 0x000c value: 06
Notification handle = 0x000c value: 05
Notification handle = 0x000c value: 04
Notification handle = 0x000c value: 05
Notification handle = 0x000c value: 06
Notification handle = 0x000c value: 05
Notification handle = 0x000c value: 06
Notification handle = 0x000c value: 05
Notification handle = 0x000c value: 04
Notification handle = 0x000c value: 05
Notification handle = 0x000c value: 04
Notification handle = 0x000c value: 05
[aa:4f:9f:55:30:00][LE]> disconnect

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retorik avatar retorik commented on July 22, 2024

Hi, same issue for me ! Have you found a solution ? Thx Jeremy

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