#include "furi-hal-bt-hid.h" #include "dev_info_service.h" #include "battery_service.h" #include "hid_service.h" #include #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)); }