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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
*
* 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 "supervisor/shared/bluetooth.h"
#include "supervisor/bluetooth.h"
// This happens in an interrupt so we need to be quick.
bool supervisor_bluetooth_hook(ble_evt_t *ble_evt) {
#if CIRCUITPY_BLE_FILE_SERVICE
// Catch writes to filename or contents. Length is read-only.
bool done = false;
switch (ble_evt->header.evt_id) {
case BLE_GAP_EVT_CONNECTED:
// We run our background task even if it wasn't us connected to because we may want to
// advertise if the user code stopped advertising.
run_ble_background = true;
break;
case BLE_GAP_EVT_DISCONNECTED:
run_ble_background = true;
break;
case BLE_GATTS_EVT_WRITE: {
// A client wrote to a characteristic.
ble_gatts_evt_write_t *evt_write = &ble_evt->evt.gatts_evt.params.write;
// Event handle must match the handle for my characteristic.
if (evt_write->handle == supervisor_ble_contents_characteristic.handle) {
// Handle events
// write_to_ringbuf(self, evt_write->data, evt_write->len);
// First packet includes a uint16_t le for length at the start.
uint16_t current_length = ((uint16_t *)current_command)[0];
memcpy(((uint8_t *)current_command) + current_offset, evt_write->data, evt_write->len);
current_offset += evt_write->len;
current_length = ((uint16_t *)current_command)[0];
if (current_offset == current_length) {
run_ble_background = true;
done = true;
}
} else if (evt_write->handle == supervisor_ble_filename_characteristic.handle) {
new_filename = true;
run_ble_background = true;
done = true;
} else {
return done;
}
break;
}
default:
// For debugging.
// mp_printf(&mp_plat_print, "Unhandled peripheral event: 0x%04x\n", ble_evt->header.evt_id);
break;
}
return done;
#else
return false;
#endif
}
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