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#include "furi-hal-bt-hid.h"
#include "dev_info_service.h"
#include "battery_service.h"
#include "hid_service.h"
#include <furi.h>
#define FURI_HAL_BT_INFO_BASE_USB_SPECIFICATION (0x0101)
#define FURI_HAL_BT_INFO_COUNTRY_CODE (0x00)
#define FURI_HAL_BT_HID_INFO_FLAG_REMOTE_WAKE_MSK (0x01)
#define FURI_HAL_BT_HID_INFO_FLAG_NORMALLY_CONNECTABLE_MSK (0x02)
#define FURI_HAL_BT_HID_KB_KEYS_MAX (6)
typedef struct {
// uint8_t report_id;
uint8_t mods;
uint8_t reserved;
uint8_t key[FURI_HAL_BT_HID_KB_KEYS_MAX];
} FuriHalBtHidKbReport;
typedef struct {
uint8_t report_id;
uint8_t key;
} FuriHalBtHidMediaReport;
// TODO make composite HID device
static uint8_t furi_hal_bt_hid_report_map_data[] = {
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x06, // Usage (Keyboard)
0xA1, 0x01, // Collection (Application)
// 0x85, 0x01, // Report ID (1)
0x05, 0x07, // Usage Page (Key Codes)
0x19, 0xe0, // Usage Minimum (224)
0x29, 0xe7, // Usage Maximum (231)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x08, // Report Count (8)
0x81, 0x02, // Input (Data, Variable, Absolute)
0x95, 0x01, // Report Count (1)
0x75, 0x08, // Report Size (8)
0x81, 0x01, // Input (Constant) reserved byte(1)
0x95, 0x05, // Report Count (5)
0x75, 0x01, // Report Size (1)
0x05, 0x08, // Usage Page (Page# for LEDs)
0x19, 0x01, // Usage Minimum (1)
0x29, 0x05, // Usage Maximum (5)
0x91, 0x02, // Output (Data, Variable, Absolute), Led report
0x95, 0x01, // Report Count (1)
0x75, 0x03, // Report Size (3)
0x91, 0x01, // Output (Data, Variable, Absolute), Led report padding
0x95, 0x06, // Report Count (6)
0x75, 0x08, // Report Size (8)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x65, // Logical Maximum (101)
0x05, 0x07, // Usage Page (Key codes)
0x19, 0x00, // Usage Minimum (0)
0x29, 0x65, // Usage Maximum (101)
0x81, 0x00, // Input (Data, Array) Key array(6 bytes)
0x09, 0x05, // Usage (Vendor Defined)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8 bit)
0x95, 0x02, // Report Count (2)
0xB1, 0x02, // Feature (Data, Variable, Absolute)
0xC0, // End Collection (Application)
// 0x05, 0x0C, // Usage Page (Consumer)
// 0x09, 0x01, // Usage (Consumer Control)
// 0xA1, 0x01, // Collection (Application)
// 0x85, 0x02, // Report ID (2)
// 0x05, 0x0C, // Usage Page (Consumer)
// 0x15, 0x00, // Logical Minimum (0)
// 0x25, 0x01, // Logical Maximum (1)
// 0x75, 0x01, // Report Size (1)
// 0x95, 0x07, // Report Count (7)
// 0x09, 0xB5, // Usage (Scan Next Track)
// 0x09, 0xB6, // Usage (Scan Previous Track)
// 0x09, 0xB7, // Usage (Stop)
// 0x09, 0xB8, // Usage (Eject)
// 0x09, 0xCD, // Usage (Play/Pause)
// 0x09, 0xE2, // Usage (Mute)
// 0x09, 0xE9, // Usage (Volume Increment)
// 0x09, 0xEA, // Usage (Volume Decrement)
// 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
// 0xC0, // End Collection
};
FuriHalBtHidKbReport* kb_report = NULL;
FuriHalBtHidMediaReport* media_report = NULL;
void furi_hal_bt_hid_start() {
// Start device info
if(!dev_info_svc_is_started()) {
dev_info_svc_start();
}
// Start battery service
if(!battery_svc_is_started()) {
battery_svc_start();
}
// Start HID service
if(!hid_svc_is_started()) {
hid_svc_start();
}
// Configure HID Keyboard
kb_report = furi_alloc(sizeof(FuriHalBtHidKbReport));
media_report = furi_alloc(sizeof(FuriHalBtHidMediaReport));
// Configure Report Map characteristic
hid_svc_update_report_map(furi_hal_bt_hid_report_map_data, sizeof(furi_hal_bt_hid_report_map_data));
// Configure HID Information characteristic
uint8_t hid_info_val[4] = {
FURI_HAL_BT_INFO_BASE_USB_SPECIFICATION & 0x00ff,
(FURI_HAL_BT_INFO_BASE_USB_SPECIFICATION & 0xff00) >> 8,
FURI_HAL_BT_INFO_COUNTRY_CODE,
FURI_HAL_BT_HID_INFO_FLAG_REMOTE_WAKE_MSK | FURI_HAL_BT_HID_INFO_FLAG_NORMALLY_CONNECTABLE_MSK,
};
hid_svc_update_info(hid_info_val, sizeof(hid_info_val));
}
void furi_hal_bt_hid_stop() {
furi_assert(kb_report);
// Stop all services
if(dev_info_svc_is_started()) {
dev_info_svc_stop();
}
if(battery_svc_is_started()) {
battery_svc_stop();
}
if(hid_svc_is_started()) {
hid_svc_stop();
}
free(kb_report);
free(media_report);
media_report = NULL;
kb_report = NULL;
}
bool furi_hal_bt_hid_kb_press(uint16_t button) {
furi_assert(kb_report);
// kb_report->report_id = 0x01;
for (uint8_t i = 0; i < FURI_HAL_BT_HID_KB_KEYS_MAX; i++) {
if (kb_report->key[i] == 0) {
kb_report->key[i] = button & 0xFF;
break;
}
}
kb_report->mods |= (button >> 8);
return hid_svc_update_input_report((uint8_t*)kb_report, sizeof(FuriHalBtHidKbReport));
}
bool furi_hal_bt_hid_kb_release(uint16_t button) {
furi_assert(kb_report);
// kb_report->report_id = 0x01;
for (uint8_t i = 0; i < FURI_HAL_BT_HID_KB_KEYS_MAX; i++) {
if (kb_report->key[i] == (button & 0xFF)) {
kb_report->key[i] = 0;
break;
}
}
kb_report->mods &= ~(button >> 8);
return hid_svc_update_input_report((uint8_t*)kb_report, sizeof(FuriHalBtHidKbReport));
}
bool furi_hal_bt_hid_kb_release_all() {
furi_assert(kb_report);
// kb_report->report_id = 0x01;
memset(kb_report, 0, sizeof(FuriHalBtHidKbReport));
return hid_svc_update_input_report((uint8_t*)kb_report, sizeof(FuriHalBtHidKbReport));
}
bool furi_hal_bt_hid_media_press(uint8_t button) {
furi_assert(media_report);
media_report->report_id = 0x02;
media_report->key |= (0x01 << button);
return hid_svc_update_input_report((uint8_t*)media_report, sizeof(FuriHalBtHidMediaReport));
}
bool furi_hal_bt_hid_media_release(uint8_t button) {
furi_assert(media_report);
media_report->report_id = 0x02;
media_report->key &= ~(0x01 << button);
return hid_svc_update_input_report((uint8_t*)media_report, sizeof(FuriHalBtHidMediaReport));
}
bool furi_hal_bt_hid_media_release_all() {
furi_assert(media_report);
media_report->report_id = 0x02;
media_report->key = 0x00;
return hid_svc_update_input_report((uint8_t*)media_report, sizeof(FuriHalBtHidMediaReport));
}
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