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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_hf_client_send_btrh_cmd()

esp_hf_client_send_btrh_cmd() function

Send response and hold action command(Send AT+BTRH command) As a precondition to use this API, Service Level Connection shall exist with AG.

Syntax

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Summary

Declaration

from esp_hf_client_api.h:519

esp_err_t esp_hf_client_send_btrh_cmd(esp_hf_btrh_cmd_t btrh);

Arguments

Argument

Description

btrh

response and hold action to send

Return value

- ESP_OK: command AT+BTRH is sent to lower layer - ESP_ERR_INVALID_STATE: if bluetooth stack is not yet enabled - ESP_FAIL: others

Examples

esp_hf_client_send_btrh_cmd() is referenced by 1 libraries and example projects:

hfp_hf sample

References

from 0/1 examples

Code

Location

esp_err_t esp_hf_client_send_btrh_cmd(esp_hf_btrh_cmd_t btrh)

esp_hf_client_api.c:283

esp_err_t esp_hf_client_send_btrh_cmd(esp_hf_btrh_cmd_t btrh);

esp_hf_client_api.h:519

Call Tree

from 0/1 examples

esp_hf_client_send_btrh_cmd() calls 2 functions:

esp_hf_client_send_btrh_cmd()

btc_transfer_context()

esp_bluedroid_get_status()

Data Use

from 0/1 examples

esp_hf_client_send_btrh_cmd() reads 6 variables and writes 4 variables:

btc_sig_t::BTC_SIG_API_CALL

btc_pid_t::BTC_PID_HF_CLIENT

esp_bluedroid_status_t::ESP_BLUEDROID_STATUS_ENABLED

bt_status_t::BT_STATUS_SUCCESS

btc_hf_client_act_t::BTC_HF_CLIENT_SEND_BTRH_CMD_EVT

btc_hf_client_args_t::btrh

esp_hf_client_send_btrh_cmd()

btc_msg::sig

btc_msg::pid

btc_msg::act

send_btrh_cmd_args::cmd

Class Tree

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Override Tree

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Implementations

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Instances

from 0/1 examples

Lifecycle

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