circuitpython/ports/nrf/common-hal/bleio/Device.c

119 lines
4.3 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Artur Pacholec
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include "ble_drv.h"
#include "ble_gap.h"
#include "ble_gatt.h"
#include "ble_types.h"
#include "py/runtime.h"
#include "shared-bindings/bleio/Characteristic.h"
#include "shared-bindings/bleio/Device.h"
#include "shared-bindings/bleio/Service.h"
#include "shared-bindings/bleio/UUID.h"
static volatile bool m_disc_evt_received;
STATIC void gap_event_handler(bleio_device_obj_t *device, uint16_t event_id, uint16_t conn_handle, uint16_t length, uint8_t * data) {
if (event_id == BLE_GAP_EVT_CONNECTED) {
device->conn_handle = conn_handle;
} else if (event_id == BLE_GAP_EVT_DISCONNECTED) {
device->conn_handle = BLE_CONN_HANDLE_INVALID;
}
}
STATIC void gatts_event_handler(bleio_device_obj_t *device, uint16_t event_id, uint16_t attr_handle, uint16_t length, uint8_t * data) {
}
STATIC void gattc_event_handler(bleio_device_obj_t *device, uint16_t event_id, uint16_t attr_handle, uint16_t length, uint8_t * data) {
m_disc_evt_received = true;
}
void common_hal_bleio_device_start_advertising(bleio_device_obj_t *device, bleio_advertisement_data_t *adv_data) {
if (adv_data->connectable) {
ble_drv_gap_event_handler_set(device, gap_event_handler);
ble_drv_gatts_event_handler_set(device, gatts_event_handler);
}
ble_drv_advertise_data(adv_data);
}
void common_hal_bleio_device_stop_advertising(bleio_device_obj_t *device) {
(void)device;
ble_drv_advertise_stop();
}
void common_hal_bleio_device_connect(bleio_device_obj_t *device) {
ble_drv_gap_event_handler_set(device, gap_event_handler);
ble_drv_connect(device);
while (device->conn_handle == BLE_CONN_HANDLE_INVALID) {
#ifdef MICROPY_VM_HOOK_LOOP
MICROPY_VM_HOOK_LOOP
#endif
}
ble_drv_gattc_event_handler_set(device, gattc_event_handler);
// TODO: read name
// find services
bool found_service = ble_drv_discover_services(device, BLE_GATT_HANDLE_START);
while (found_service) {
const mp_obj_list_t *service_list = MP_OBJ_TO_PTR(device->service_list);
const bleio_service_obj_t *service = service_list->items[service_list->len - 1];
found_service = ble_drv_discover_services(device, service->end_handle + 1);
}
// find characteristics in each service
const mp_obj_list_t *service_list = MP_OBJ_TO_PTR(device->service_list);
for (size_t i = 0; i < service_list->len; ++i) {
bleio_service_obj_t *service = service_list->items[i];
bool found_char = ble_drv_discover_characteristic(device, service, service->start_handle);
while (found_char) {
const mp_obj_list_t *char_list = MP_OBJ_TO_PTR(service->char_list);
const bleio_characteristic_obj_t *characteristic = char_list->items[char_list->len - 1];
const uint16_t next_handle = characteristic->handle + 1;
if (next_handle >= service->end_handle) {
break;
}
found_char = ble_drv_discover_characteristic(device, service, next_handle);
}
}
}
void common_hal_bleio_device_disconnect(bleio_device_obj_t *device) {
ble_drv_disconnect(device);
}