Symbols

loading (4/5)...

Files

loading (4/5)...

Summary Syntax Arguments References Call Tree Data Use

SourceVuESP-IDF Framework and ExamplesESP-IDFesp_hf_client_send_chld_cmd()

esp_hf_client_send_chld_cmd() function

Send call hold and multiparty commands, or enhanced call control commands(Use AT+CHLD). As a precondition to use this API, Service Level Connection shall exist with AG.

Syntax

Show:

Summary

Declaration

from esp_hf_client_api.h:504

esp_err_t esp_hf_client_send_chld_cmd(esp_hf_chld_type_t chld, int idx);

Arguments

Argument

Description

chld

AT+CHLD call hold and multiparty handling AT command.

idx

used in Enhanced Call Control Mechanisms, used if chld is ESP_HF_CHLD_TYPE_REL_X or ESP_HF_CHLD_TYPE_PRIV_X

Return value

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

References

Code

Location

esp_err_t esp_hf_client_send_chld_cmd(esp_hf_chld_type_t chld, int idx)

esp_hf_client_api.c:261

esp_err_t esp_hf_client_send_chld_cmd(esp_hf_chld_type_t chld, int idx);

esp_hf_client_api.h:504

Call Tree

esp_hf_client_send_chld_cmd() calls 2 functions:

esp_hf_client_send_chld_cmd()

btc_transfer_context()

esp_bluedroid_get_status()

Data Use

esp_hf_client_send_chld_cmd() reads 6 variables and writes 5 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_CHLD_CMD_EVT

btc_hf_client_args_t::chld

esp_hf_client_send_chld_cmd()

btc_msg::sig

btc_msg::pid

btc_msg::act

send_chld_cmd_args::type

send_chld_cmd_args::idx

Class Tree

All items filtered out

Override Tree

All items filtered out

Implementations

All items filtered out

Instances

Lifecycle

All items filtered out