mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-02-21 12:40:42 +00:00
add hid_mouse_demo example
This commit is contained in:
Matthias Ringwald
parent
fbf7b2f339
commit
aa29f5873d
@ -118,6 +118,7 @@ EXAMPLES = \
|
||||
hfp_ag_demo \
|
||||
hfp_hf_demo \
|
||||
hid_keyboard_demo \
|
||||
hid_mouse_demo \
|
||||
hog_keyboard_demo \
|
||||
hog_mouse_demo \
|
||||
hsp_ag_demo \
|
||||
@ -261,6 +262,9 @@ hfp_hf_demo: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ${SDP_CLIENT} ${SBC_DECODE
|
||||
hid_keyboard_demo: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ${SDP_CLIENT} btstack_ring_buffer.o hid_device.o hid_keyboard_demo.o
|
||||
${CC} $^ ${CFLAGS} -I${BTSTACK_ROOT}/platform/posix ${LDFLAGS} -o $@
|
||||
|
||||
hid_mouse_demo: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ${SDP_CLIENT} btstack_ring_buffer.o hid_device.o hid_mouse_demo.o
|
||||
${CC} $^ ${CFLAGS} -I${BTSTACK_ROOT}/platform/posix ${LDFLAGS} -o $@
|
||||
|
||||
a2dp_source_demo: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ${SDP_CLIENT} ${SBC_ENCODER_OBJ} ${SBC_DECODER_OBJ} ${AVDTP_OBJ} ${HXCMOD_PLAYER_OBJ} avrcp.o avrcp_target.o a2dp_source_demo.c
|
||||
${CC} $^ ${CFLAGS} -I${BTSTACK_ROOT}/platform/posix ${LDFLAGS} -o $@
|
||||
|
||||
|
||||
319
example/hid_mouse_demo.c
Normal file
319
example/hid_mouse_demo.c
Normal file
@ -0,0 +1,319 @@
|
||||
/*
|
||||
* Copyright (C) 2014 BlueKitchen GmbH
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the copyright holders nor the names of
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
* 4. Any redistribution, use, or modification is done solely for
|
||||
* personal benefit and not for any commercial purpose or for
|
||||
* monetary gain.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
|
||||
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
||||
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* Please inquire about commercial licensing options at
|
||||
* contact@bluekitchen-gmbh.com
|
||||
*
|
||||
*/
|
||||
|
||||
#define __BTSTACK_FILE__ "hid_mouse_demo.c"
|
||||
|
||||
// *****************************************************************************
|
||||
/* EXAMPLE_START(hid_device_demo): HID Device (Server) Demo
|
||||
*
|
||||
* Status: Basic implementation. HID Request from Host are not answered yet. Works with iOS.
|
||||
*
|
||||
* @text This HID Device example demonstrates how to implement
|
||||
* an HID keyboard. Without a HAVE_BTSTACK_STDIN, a fixed demo text is sent
|
||||
* If HAVE_BTSTACK_STDIN is defined, you can type from the terminal
|
||||
*/
|
||||
// *****************************************************************************
|
||||
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
|
||||
#include "btstack.h"
|
||||
|
||||
#ifdef HAVE_BTSTACK_STDIN
|
||||
#include "btstack_stdin.h"
|
||||
#endif
|
||||
|
||||
// to enable demo text on POSIX systems
|
||||
// #undef HAVE_BTSTACK_STDIN
|
||||
|
||||
static uint8_t hid_service_buffer[250];
|
||||
static const char hid_device_name[] = "BTstack HID Mouse";
|
||||
static btstack_packet_callback_registration_t hci_event_callback_registration;
|
||||
static uint16_t hid_cid;
|
||||
|
||||
// from USB HID Specification 1.1, Appendix B.2
|
||||
const uint8_t hid_descriptor_mouse_boot_mode[] = {
|
||||
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
|
||||
0x09, 0x02, // USAGE (Mouse)
|
||||
0xa1, 0x01, // COLLECTION (Application)
|
||||
|
||||
0x09, 0x01, // USAGE (Pointer)
|
||||
0xa1, 0x00, // COLLECTION (Physical)
|
||||
|
||||
0x05, 0x09, // USAGE_PAGE (Button)
|
||||
0x19, 0x01, // USAGE_MINIMUM (Button 1)
|
||||
0x29, 0x03, // USAGE_MAXIMUM (Button 3)
|
||||
0x15, 0x00, // LOGICAL_MINIMUM (0)
|
||||
0x25, 0x01, // LOGICAL_MAXIMUM (1)
|
||||
0x95, 0x03, // REPORT_COUNT (3)
|
||||
0x75, 0x01, // REPORT_SIZE (1)
|
||||
0x81, 0x02, // INPUT (Data,Var,Abs)
|
||||
0x95, 0x01, // REPORT_COUNT (1)
|
||||
0x75, 0x05, // REPORT_SIZE (5)
|
||||
0x81, 0x03, // INPUT (Cnst,Var,Abs)
|
||||
|
||||
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
|
||||
0x09, 0x30, // USAGE (X)
|
||||
0x09, 0x31, // USAGE (Y)
|
||||
0x15, 0x81, // LOGICAL_MINIMUM (-127)
|
||||
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
|
||||
0x75, 0x08, // REPORT_SIZE (8)
|
||||
0x95, 0x02, // REPORT_COUNT (2)
|
||||
0x81, 0x06, // INPUT (Data,Var,Rel)
|
||||
|
||||
0xc0, // END_COLLECTION
|
||||
0xc0 // END_COLLECTION
|
||||
};
|
||||
|
||||
// HID Report sending
|
||||
static void send_report(uint8_t buttons, int8_t dx, int8_t dy){
|
||||
uint8_t report[] = { 0xa1, buttons, (uint8_t) dx, (uint8_t) dy};
|
||||
hid_device_send_interrupt_message(hid_cid, &report[0], sizeof(report));
|
||||
printf("Mouse: %d/%d - buttons: %02x\n", dx, dy, buttons);
|
||||
}
|
||||
|
||||
static int dx;
|
||||
static int dy;
|
||||
static uint8_t buttons;
|
||||
|
||||
static void mousing_can_send_now(void){
|
||||
send_report(buttons, dx, dy);
|
||||
// reset
|
||||
dx = 0;
|
||||
dy = 0;
|
||||
if (buttons){
|
||||
buttons = 0;
|
||||
hid_device_request_can_send_now_event(hid_cid);
|
||||
}
|
||||
}
|
||||
|
||||
// Demo Application
|
||||
|
||||
#ifdef HAVE_BTSTACK_STDIN
|
||||
|
||||
static const int MOUSE_SPEED = 30;
|
||||
|
||||
// On systems with STDIN, we can directly type on the console
|
||||
|
||||
static void stdin_process(char character){
|
||||
|
||||
if (!hid_cid) {
|
||||
printf("Mouse not connected, ignoring '%c'\n", character);
|
||||
return;
|
||||
}
|
||||
|
||||
switch (character){
|
||||
case 'a':
|
||||
dx -= MOUSE_SPEED;
|
||||
break;
|
||||
case 's':
|
||||
dy += MOUSE_SPEED;
|
||||
break;
|
||||
case 'd':
|
||||
dx += MOUSE_SPEED;
|
||||
break;
|
||||
case 'w':
|
||||
dy -= MOUSE_SPEED;
|
||||
break;
|
||||
case 'l':
|
||||
buttons |= 1;
|
||||
break;
|
||||
case 'r':
|
||||
buttons |= 2;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
hid_device_request_can_send_now_event(hid_cid);
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
// On embedded systems, simulate clicking on 4 corners of a square
|
||||
|
||||
#define MOUSE_PERIOD_MS 15
|
||||
|
||||
static int step;
|
||||
static const int STEPS_PER_DIRECTION = 50;
|
||||
static const int MOUSE_SPEED = 10;
|
||||
|
||||
static struct {
|
||||
int dx;
|
||||
int dy;
|
||||
} directions[] = {
|
||||
{ 1, 0 },
|
||||
{ 0, 1 },
|
||||
{ -1, 0 },
|
||||
{ 0, -1 },
|
||||
};
|
||||
|
||||
static btstack_timer_source_t mousing_timer;
|
||||
|
||||
static void mousing_timer_handler(btstack_timer_source_t * ts){
|
||||
|
||||
if (con_handle == HCI_CON_HANDLE_INVALID) return;
|
||||
|
||||
// simulate left click when corner reached
|
||||
if (step % STEPS_PER_DIRECTION == 0){
|
||||
buttons |= 1;
|
||||
}
|
||||
// simulate move
|
||||
int direction_index = step / STEPS_PER_DIRECTION;
|
||||
dx += directions[direction_index].dx * MOUSE_SPEED;
|
||||
dy += directions[direction_index].dy * MOUSE_SPEED;
|
||||
|
||||
// next
|
||||
step++;
|
||||
if (step >= STEPS_PER_DIRECTION * 4) {
|
||||
step = 0;
|
||||
}
|
||||
|
||||
// trigger send
|
||||
hids_device_request_can_send_now_event(con_handle);
|
||||
|
||||
// set next timer
|
||||
btstack_run_loop_set_timer(ts, MOUSE_PERIOD_MS);
|
||||
btstack_run_loop_add_timer(ts);
|
||||
}
|
||||
|
||||
static void hid_embedded_start_mousing(void){
|
||||
printf("Start mousing..\n");
|
||||
|
||||
step = 0;
|
||||
|
||||
// set one-shot timer
|
||||
mousing_timer.process = &mousing_timer_handler;
|
||||
btstack_run_loop_set_timer(&mousing_timer, MOUSE_PERIOD_MS);
|
||||
btstack_run_loop_add_timer(&mousing_timer);
|
||||
}
|
||||
#endif
|
||||
|
||||
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * packet, uint16_t packet_size){
|
||||
UNUSED(channel);
|
||||
UNUSED(packet_size);
|
||||
switch (packet_type){
|
||||
case HCI_EVENT_PACKET:
|
||||
switch (packet[0]){
|
||||
case HCI_EVENT_USER_CONFIRMATION_REQUEST:
|
||||
// ssp: inform about user confirmation request
|
||||
log_info("SSP User Confirmation Request with numeric value '%06"PRIu32"'\n", hci_event_user_confirmation_request_get_numeric_value(packet));
|
||||
log_info("SSP User Confirmation Auto accept\n");
|
||||
break;
|
||||
|
||||
case HCI_EVENT_HID_META:
|
||||
switch (hci_event_hid_meta_get_subevent_code(packet)){
|
||||
case HID_SUBEVENT_CONNECTION_OPENED:
|
||||
if (hid_subevent_connection_opened_get_status(packet)) return;
|
||||
hid_cid = hid_subevent_connection_opened_get_hid_cid(packet);
|
||||
#ifdef HAVE_BTSTACK_STDIN
|
||||
printf("HID Connected, control mouse using 'a','s',''d', 'w' keys for movement and 'l' and 'r' for buttons...\n");
|
||||
#else
|
||||
printf("HID Connected, simulating mouse movements...\n");
|
||||
hid_embedded_start_typing();
|
||||
#endif
|
||||
break;
|
||||
case HID_SUBEVENT_CONNECTION_CLOSED:
|
||||
printf("HID Disconnected\n");
|
||||
hid_cid = 0;
|
||||
break;
|
||||
case HID_SUBEVENT_CAN_SEND_NOW:
|
||||
mousing_can_send_now();
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* @section Main Application Setup
|
||||
*
|
||||
* @text Listing MainConfiguration shows main application code.
|
||||
* To run a HID Device service you need to initialize the SDP, and to create and register HID Device record with it.
|
||||
* At the end the Bluetooth stack is started.
|
||||
*/
|
||||
|
||||
/* LISTING_START(MainConfiguration): Setup HID Device */
|
||||
|
||||
int btstack_main(int argc, const char * argv[]);
|
||||
int btstack_main(int argc, const char * argv[]){
|
||||
(void)argc;
|
||||
(void)argv;
|
||||
|
||||
// register for HCI events
|
||||
hci_event_callback_registration.callback = &packet_handler;
|
||||
hci_add_event_handler(&hci_event_callback_registration);
|
||||
hci_register_sco_packet_handler(&packet_handler);
|
||||
|
||||
gap_discoverable_control(1);
|
||||
gap_set_class_of_device(0x2540);
|
||||
gap_set_local_name("HID Mouse Demo 00:00:00:00:00:00");
|
||||
|
||||
// L2CAP
|
||||
l2cap_init();
|
||||
|
||||
// SDP Server
|
||||
sdp_init();
|
||||
memset(hid_service_buffer, 0, sizeof(hid_service_buffer));
|
||||
// hid sevice subclass 2540 Keyboard, hid counntry code 33 US, hid virtual cable off, hid reconnect initiate off, hid boot device off
|
||||
hid_create_sdp_record(hid_service_buffer, 0x10001, 0x2540, 33, 0, 0, 0, hid_descriptor_mouse_boot_mode, sizeof(hid_descriptor_mouse_boot_mode), hid_device_name);
|
||||
printf("SDP service record size: %u\n", de_get_len( hid_service_buffer));
|
||||
sdp_register_service(hid_service_buffer);
|
||||
|
||||
// HID Device
|
||||
hid_device_init();
|
||||
hid_device_register_packet_handler(&packet_handler);
|
||||
|
||||
#ifdef HAVE_BTSTACK_STDIN
|
||||
btstack_stdin_setup(stdin_process);
|
||||
#endif
|
||||
// turn on!
|
||||
hci_power_control(HCI_POWER_ON);
|
||||
return 0;
|
||||
}
|
||||
/* LISTING_END */
|
||||
/* EXAMPLE_END */
|
||||
Loading…
x
Reference in New Issue
Block a user