25281ef4de
- Adds HID Host support in Buedroid - Adds BLE HID Host and Device support - Adds some general HID utilities and definitions to help integrate with other stacks and native USB
122 lines
4.2 KiB
C
122 lines
4.2 KiB
C
// Copyright 2017-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _ESP_HIDH_PRIVATE_H_
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#define _ESP_HIDH_PRIVATE_H_
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#include "esp_hidh.h"
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#if CONFIG_BLUEDROID_ENABLED
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#include "esp_gap_bt_api.h"
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#endif /* CONFIG_BLUEDROID_ENABLED */
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "esp_event.h"
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#include "sys/queue.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief HIDH device report data
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*/
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typedef struct esp_hidh_dev_report_s {
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struct esp_hidh_dev_report_s *next;
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uint8_t map_index; //the index of the report map
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uint8_t report_id; //the id of the report
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uint8_t report_type; //input, output or feature
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uint8_t protocol_mode; //boot or report
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size_t value_len; //maximum len of value by report map
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esp_hid_usage_t usage; //generic, keyboard or mouse
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//BLE properties
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uint16_t handle; //handle to the value
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uint16_t ccc_handle; //handle to client config
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uint8_t permissions; //report permissions
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} esp_hidh_dev_report_t;
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/**
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* @brief HIDH device data
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*/
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struct esp_hidh_dev_s {
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struct esp_hidh_dev_s *next;
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esp_hid_device_config_t config;
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esp_hid_usage_t usage;
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esp_hid_transport_t transport; //BT, BLE or USB
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bool connected; //we have all required data to communicate
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bool opened; //we opened the device manually, else the device connected to us
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int status; //status of the last command
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size_t reports_len;
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esp_hidh_dev_report_t *reports;
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void *tmp;
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size_t tmp_len;
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xSemaphoreHandle semaphore;
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esp_err_t (*close) (esp_hidh_dev_t *dev);
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esp_err_t (*report_write) (esp_hidh_dev_t *dev, size_t map_index, size_t report_id, int report_type, uint8_t *data, size_t len);
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esp_err_t (*report_read) (esp_hidh_dev_t *dev, size_t map_index, size_t report_id, int report_type, size_t max_length, uint8_t *value, size_t *value_len);
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void (*dump) (esp_hidh_dev_t *dev, FILE *fp);
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#if CONFIG_BLUEDROID_ENABLED
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esp_bd_addr_t bda;
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#endif /* CONFIG_BLUEDROID_ENABLED */
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union {
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#if CONFIG_BT_HID_HOST_ENABLED
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struct {
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esp_bt_cod_t cod;
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int handle;
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uint8_t sub_class;
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uint8_t app_id;
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uint16_t attr_mask;
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} bt;
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#endif /* CONFIG_BT_HID_HOST_ENABLED */
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#if CONFIG_GATTC_ENABLE
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struct {
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esp_ble_addr_type_t address_type;
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int conn_id;
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uint16_t appearance;
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uint16_t battery_handle;
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uint16_t battery_ccc_handle;
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} ble;
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#endif /* CONFIG_GATTC_ENABLE */
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};
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TAILQ_ENTRY(esp_hidh_dev_s) devices;
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};
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typedef TAILQ_HEAD(esp_hidh_dev_head_s, esp_hidh_dev_s) esp_hidh_dev_head_t;
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esp_hidh_dev_t *esp_hidh_dev_malloc(void);
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#if CONFIG_BLUEDROID_ENABLED
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esp_hidh_dev_t *esp_hidh_dev_get_by_bda(esp_bd_addr_t bda); //BT/BLE
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esp_hidh_dev_t *esp_hidh_dev_get_by_handle(int handle); //BT Only
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esp_hidh_dev_t *esp_hidh_dev_get_by_conn_id(uint16_t conn_id); //BLE Only
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#endif /* CONFIG_BLUEDROID_ENABLED */
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esp_hidh_dev_report_t *esp_hidh_dev_get_report_by_id_and_type(esp_hidh_dev_t *dev, size_t map_index, size_t report_id, int report_type);
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esp_hidh_dev_report_t *esp_hidh_dev_get_input_report_by_id_and_proto(esp_hidh_dev_t *dev, size_t report_id, int protocol_mode);
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esp_hidh_dev_report_t *esp_hidh_dev_get_report_by_handle(esp_hidh_dev_t *dev, uint16_t handle); //BLE Only
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ESP_HIDH_PRIVATE_H_ */
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