2018-03-09 08:25:23 +00:00
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// Copyright 2017-2018 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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#include "esp_hidd_prf_api.h"
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#include "hidd_le_prf_int.h"
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#include "hid_dev.h"
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#include <stdlib.h>
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#include <string.h>
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2018-04-26 12:02:14 +00:00
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#include "esp_log.h"
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2018-03-09 08:25:23 +00:00
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// HID keyboard input report length
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#define HID_KEYBOARD_IN_RPT_LEN 8
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// HID LED output report length
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#define HID_LED_OUT_RPT_LEN 1
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// HID mouse input report length
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#define HID_MOUSE_IN_RPT_LEN 5
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// HID consumer control input report length
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#define HID_CC_IN_RPT_LEN 2
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esp_err_t esp_hidd_register_callbacks(esp_hidd_event_cb_t callbacks)
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{
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esp_err_t hidd_status;
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if(callbacks != NULL) {
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hidd_le_env.hidd_cb = callbacks;
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} else {
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return ESP_FAIL;
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}
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if((hidd_status = hidd_register_cb()) != ESP_OK) {
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return hidd_status;
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}
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esp_ble_gatts_app_register(BATTRAY_APP_ID);
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if((hidd_status = esp_ble_gatts_app_register(HIDD_APP_ID)) != ESP_OK) {
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return hidd_status;
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}
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return hidd_status;
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}
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esp_err_t esp_hidd_profile_init(void)
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{
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if (hidd_le_env.enabled) {
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2018-04-26 12:02:14 +00:00
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ESP_LOGE(HID_LE_PRF_TAG, "HID device profile already initialized");
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2018-03-09 08:25:23 +00:00
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return ESP_FAIL;
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}
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// Reset the hid device target environment
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memset(&hidd_le_env, 0, sizeof(hidd_le_env_t));
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hidd_le_env.enabled = true;
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return ESP_OK;
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}
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esp_err_t esp_hidd_profile_deinit(void)
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{
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uint16_t hidd_svc_hdl = hidd_le_env.hidd_inst.att_tbl[HIDD_LE_IDX_SVC];
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if (!hidd_le_env.enabled) {
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2018-04-26 12:02:14 +00:00
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ESP_LOGE(HID_LE_PRF_TAG, "HID device profile already initialized");
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2018-03-09 08:25:23 +00:00
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return ESP_OK;
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}
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if(hidd_svc_hdl != 0) {
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esp_ble_gatts_stop_service(hidd_svc_hdl);
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esp_ble_gatts_delete_service(hidd_svc_hdl);
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} else {
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return ESP_FAIL;
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}
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/* register the HID device profile to the BTA_GATTS module*/
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esp_ble_gatts_app_unregister(hidd_le_env.gatt_if);
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return ESP_OK;
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}
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uint16_t esp_hidd_get_version(void)
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{
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return HIDD_VERSION;
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}
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void esp_hidd_send_consumer_value(uint16_t conn_id, uint8_t key_cmd, bool key_pressed)
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{
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uint8_t buffer[HID_CC_IN_RPT_LEN] = {0, 0};
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if (key_pressed) {
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ESP_LOGD(HID_LE_PRF_TAG, "hid_consumer_build_report");
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2018-03-09 08:25:23 +00:00
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hid_consumer_build_report(buffer, key_cmd);
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}
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2018-04-26 12:02:14 +00:00
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ESP_LOGD(HID_LE_PRF_TAG, "buffer[0] = %x, buffer[1] = %x", buffer[0], buffer[1]);
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2018-03-09 08:25:23 +00:00
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hid_dev_send_report(hidd_le_env.gatt_if, conn_id,
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HID_RPT_ID_CC_IN, HID_REPORT_TYPE_INPUT, HID_CC_IN_RPT_LEN, buffer);
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return;
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}
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void esp_hidd_send_keyboard_value(uint16_t conn_id, key_mask_t special_key_mask, uint8_t *keyboard_cmd, uint8_t num_key)
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{
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if (num_key > HID_KEYBOARD_IN_RPT_LEN - 2) {
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2018-04-26 12:02:14 +00:00
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ESP_LOGE(HID_LE_PRF_TAG, "%s(), the number key should not be more than %d", __func__, HID_KEYBOARD_IN_RPT_LEN);
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2018-03-09 08:25:23 +00:00
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return;
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}
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uint8_t buffer[HID_KEYBOARD_IN_RPT_LEN] = {0};
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buffer[0] = special_key_mask;
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for (int i = 0; i < num_key; i++) {
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buffer[i+2] = keyboard_cmd[i];
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}
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2018-04-26 12:02:14 +00:00
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ESP_LOGD(HID_LE_PRF_TAG, "the key vaule = %d,%d,%d, %d, %d, %d,%d, %d", buffer[0], buffer[1], buffer[2], buffer[3], buffer[4], buffer[5], buffer[6], buffer[7]);
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2018-03-09 08:25:23 +00:00
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hid_dev_send_report(hidd_le_env.gatt_if, conn_id,
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HID_RPT_ID_KEY_IN, HID_REPORT_TYPE_INPUT, HID_KEYBOARD_IN_RPT_LEN, buffer);
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return;
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}
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void esp_hidd_send_mouse_value(uint16_t conn_id, uint8_t mouse_button, int8_t mickeys_x, int8_t mickeys_y)
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{
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uint8_t buffer[HID_MOUSE_IN_RPT_LEN];
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buffer[0] = mouse_button; // Buttons
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buffer[1] = mickeys_x; // X
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buffer[2] = mickeys_y; // Y
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buffer[3] = 0; // Wheel
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buffer[4] = 0; // AC Pan
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hid_dev_send_report(hidd_le_env.gatt_if, conn_id,
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HID_RPT_ID_MOUSE_IN, HID_REPORT_TYPE_INPUT, HID_MOUSE_IN_RPT_LEN, buffer);
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return;
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}
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