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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_bt_hid_host_set_protocol()

esp_bt_hid_host_set_protocol() function

Set the HID proto mode. When the operation is complete the callback function will be called with ESP_HIDH_SET_PROTO_EVT.

Syntax

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Summary

Declaration

from esp_hidh_api.h:409

esp_err_t esp_bt_hid_host_set_protocol(esp_bd_addr_t bd_addr, esp_hidh_protocol_mode_t protocol_mode);

Arguments

Argument

Description

bd_addr

Remote device bluetooth device address.

protocol_mode

Protocol mode type.

Return value

- ESP_OK: success - other: failed

References

Code

Location

Referrer

esp_err_t esp_bt_hid_host_set_protocol(esp_bd_addr_t bd_addr, esp_hidh_protocol_mode_t protocol_mode)

esp_hidh_api.c:140

esp_err_t esp_bt_hid_host_set_protocol(esp_bd_addr_t bd_addr, esp_hidh_protocol_mode_t protocol_mode);

esp_hidh_api.h:409

ret = esp_bt_hid_host_set_protocol(dev->addr.bda, protocol_mode);

bt_hidh.c:967

esp_bt_hidh_dev_set_protocol()

Call Tree

esp_bt_hid_host_set_protocol() is called by 1 function and calls 2 functions:

esp_bt_hidh_dev_set_protocol()

esp_bt_hid_host_set_protocol()

esp_bluedroid_get_status()

btc_transfer_context()

Data Use

esp_bt_hid_host_set_protocol() reads 7 variables and writes 4 variables:

esp_bluedroid_status_t::ESP_BLUEDROID_STATUS_ENABLED

bt_status_t::BT_STATUS_SUCCESS

btc_sig_t::BTC_SIG_API_CALL

btc_pid_t::BTC_PID_HH

set_protocol_arg::bd_addr

btc_hidh_args_t::set_protocol

BTC_HH_EVT::BTC_HH_SET_PROTO_EVT

esp_bt_hid_host_set_protocol()

btc_msg::sig

btc_msg::pid

btc_msg::act

set_protocol_arg::protocol_mode

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