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SourceVuESP-IDF Framework and ExamplesESP-IDFHID_HostWriteDev()

HID_HostWriteDev() function

* Function HID_HostWriteDev * Description This function is called when the host has a report to send. * report_id: is only used on GET_REPORT transaction if is specified. * only valid when it's a non-zero value. * Returns void

Syntax

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Summary

Declaration

Definition

from hidh_api.h:185

extern tHID_STATUS HID_HostWriteDev(UINT8 dev_handle, UINT8 t_type, UINT8 param, UINT16 data, UINT8 report_id, BT_HDR *pbuf);

Implemented in hidh_api.c:504

Arguments

Argument

dev_handle

t_type

param

data

report_id

pbuf

References

Code

Location

Referrer

tHID_STATUS HID_HostWriteDev( UINT8 dev_handle, UINT8 t_type,

hidh_api.c:504

extern tHID_STATUS HID_HostWriteDev(UINT8 dev_handle, UINT8 t_type,

hidh_api.h:185

if ((HID_HostWriteDev(dev_handle,

bta_hh_act.c:552

bta_hh_open_cmpl_act()

status = HID_HostWriteDev(p_cb->hid_handle, p_data->api_sndcmd.t_type, p_data->api_sndcmd.param,

bta_hh_act.c:1057

bta_hh_write_dev_act()

Call Tree

HID_HostWriteDev() is called by 2 functions and calls 4 functions:

bta_hh_open_cmpl_act()

bta_hh_write_dev_act()

HID_HostWriteDev()

Data Use

HID_HostWriteDev() reads 12 variables:

esp_log_level_t::ESP_LOG_ERROR

::HID_SUCCESS

::HID_ERR_NOT_REGISTERED

::HID_ERR_NO_CONNECTION

::HID_ERR_INVALID_PARAM

::HID_DEV_CONNECTED

per_device_ctb::in_use

per_device_ctb::state

host_ctb::devices

host_ctb::reg_flag

host_ctb::trace_level

hh_cb

HID_HostWriteDev()

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Lifecycle

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