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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_bt_hid_host_get_report()

esp_bt_hid_host_get_report() function

Send a GET_REPORT to HID device. When the operation is complete the callback function will be called with ESP_HIDH_GET_RPT_EVT.

Syntax

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Summary

Declaration

from esp_hidh_api.h:447

esp_err_t esp_bt_hid_host_get_report(esp_bd_addr_t bd_addr, esp_hidh_report_type_t report_type, uint8_t report_id, int buffer_size);

Arguments

Argument

Description

bd_addr

Remote device bluetooth device address.

report_type

Report type

report_id

Report id

buffer_size

Buffer size

Return value

- ESP_OK: success - other: failed

References

Code

Location

Referrer

esp_err_t esp_bt_hid_host_get_report(esp_bd_addr_t bd_addr, esp_hidh_report_type_t report_type, uint8_t report_id,

esp_hidh_api.c:190

esp_err_t esp_bt_hid_host_get_report(esp_bd_addr_t bd_addr, esp_hidh_report_type_t report_type, uint8_t report_id,

esp_hidh_api.h:447

ret = esp_bt_hid_host_get_report(dev->addr.bda, report_type, report_id, max_length);

bt_hidh.c:873

esp_bt_hidh_dev_report_read()

Call Tree

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

esp_bt_hidh_dev_report_read()

esp_bt_hid_host_get_report()

esp_bluedroid_get_status()

btc_transfer_context()

Data Use

esp_bt_hid_host_get_report() reads 7 variables and writes 6 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

get_report_arg::bd_addr

btc_hidh_args_t::get_report

BTC_HH_EVT::BTC_HH_GET_REPORT_EVT

esp_bt_hid_host_get_report()

btc_msg::sig

btc_msg::pid

btc_msg::act

get_report_arg::report_type

get_report_arg::report_id

get_report_arg::buffer_size

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