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components/bt/host/bluedroid/btc/profile/std/hid/bta_hh_co.c
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#include "btc_hh.h"
#include "osi/allocator.h"
#include "string.h"
#if HID_HOST_INCLUDED == TRUE
/*******************************************************************************
*
* Function bta_hh_co_open
*
* Description When connection is opened, this call-out function is executed
* by HH to do platform specific initialization.
*
* Returns void.
******************************************************************************/
void bta_hh_co_open(uint8_t dev_handle, uint8_t sub_class, tBTA_HH_ATTR_MASK attr_mask, uint8_t app_id)
{
uint32_t i;
btc_hh_device_t *p_dev = NULL;
if (dev_handle == BTA_HH_INVALID_HANDLE) {
APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __func__, dev_handle);
return;
}
for (i = 0; i < BTC_HH_MAX_HID; i++) {
p_dev = &btc_hh_cb.devices[i];
if (p_dev->dev_status != ESP_HIDH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) {
// We found a device with the same handle. Must be a device reconnected.
APPL_TRACE_WARNING("%s: Found an existing device with the same handle dev_status=%d, "
"dev_handle=0x%2x, attr_mask=0x%04x, sub_class=0x%02x, app_id=%d",
__func__, p_dev->dev_status, dev_handle, p_dev->attr_mask, p_dev->sub_class,
p_dev->app_id);
break;
}
p_dev = NULL;
}
if (p_dev == NULL) {
// Did not find a device reconnection case. Find an empty slot now.
for (i = 0; i < BTC_HH_MAX_HID; i++) {
if (btc_hh_cb.devices[i].dev_status == ESP_HIDH_CONN_STATE_UNKNOWN) {
p_dev = &btc_hh_cb.devices[i];
p_dev->dev_handle = dev_handle;
p_dev->attr_mask = attr_mask;
p_dev->sub_class = sub_class;
p_dev->app_id = app_id;
p_dev->local_vup = false;
btc_hh_cb.device_num++;
break;
}
}
}
if (p_dev == NULL) {
APPL_TRACE_ERROR("%s: Error: too many HID devices are connected", __func__);
return;
}
p_dev->dev_status = ESP_HIDH_CONN_STATE_CONNECTED;
APPL_TRACE_DEBUG("%s: Return device status %d", __func__, p_dev->dev_status);
}
/*******************************************************************************
*
* Function bta_hh_co_close
*
* Description When connection is closed, this call-out function is executed
* by HH to do platform specific finalization.
*
* Parameters dev_handle - device handle
* app_id - application id
*
* Returns void.
******************************************************************************/
void bta_hh_co_close(uint8_t dev_handle, uint8_t app_id)
{
uint32_t i;
btc_hh_device_t *p_dev = NULL;
APPL_TRACE_WARNING("%s: dev_handle = %d, app_id = %d", __func__, dev_handle, app_id);
if (dev_handle == BTA_HH_INVALID_HANDLE) {
APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __func__, dev_handle);
return;
}
for (i = 0; i < BTC_HH_MAX_HID; i++) {
p_dev = &btc_hh_cb.devices[i];
if (p_dev->dev_status != ESP_HIDH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) {
APPL_TRACE_WARNING("%s: Found an existing device with the same handle "
"dev_status = %d, dev_handle =%d",
__func__, p_dev->dev_status, p_dev->dev_handle);
break;
}
}
}
/*******************************************************************************
*
* Function bta_hh_co_data
*
* Description This function is executed by BTA when HID host receive a
* data report on interrupt channel.
*
* Parameters dev_handle - device handle
* *p_rpt - pointer to the report data
* len - length of report data
* mode - Hid host Protocol Mode
* sub_clas - Device Subclass
* app_id - application id
*
* Returns void
******************************************************************************/
void bta_hh_co_data(UINT8 dev_handle, UINT8 *p_rpt, UINT16 len, tBTA_HH_PROTO_MODE mode, UINT8 sub_class, UINT8 ctry_code,
BD_ADDR peer_addr, UINT8 app_id)
{
btc_msg_t msg;
tBTA_HH p_data;
BT_HDR *p_buf = NULL;
bt_status_t status;
tBTA_HH_STATUS ret = BTA_HH_OK;
msg.sig = BTC_SIG_API_CB;
msg.pid = BTC_PID_HH;
msg.act = BTA_HH_DATA_IND_EVT;
APPL_TRACE_DEBUG("%s: dev_handle = %d, subclass = 0x%02X, mode = %d, "
"ctry_code = %d, app_id = %d",
__func__, dev_handle, sub_class, mode, ctry_code, app_id);
do {
if ((p_buf = osi_malloc(sizeof(BT_HDR) + len)) == NULL) {
APPL_TRACE_ERROR("%s malloc failed!", __func__);
ret = BTA_HH_ERR_NO_RES;
break;
}
p_buf->offset = 0;
p_buf->len = len;
p_buf->event = 0;
p_buf->layer_specific = dev_handle;
memcpy(p_buf->data, p_rpt, len);
} while (0);
p_data.int_data.status = ret;
p_data.int_data.handle = dev_handle;
p_data.int_data.p_data = p_buf;
p_data.int_data.proto_mode = mode;
status = btc_transfer_context(&msg, &p_data, sizeof(tBTA_HH), NULL, NULL);
assert(status == BT_STATUS_SUCCESS);
}
#endif /* HID_HOST_INCLUDED == TRUE */
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