micropython/ports/esp32/mpnimbleport.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Jim Mussared
*
* 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 "py/runtime.h"
#include "py/mperrno.h"
#include "py/mphal.h"
#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
#define DEBUG_printf(...) // printf("nimble (esp32): " __VA_ARGS__)
#include "esp_nimble_hci.h"
#include "nimble/nimble_port.h"
#include "nimble/nimble_port_freertos.h"
#include "extmod/nimble/modbluetooth_nimble.h"
STATIC void ble_host_task(void *param) {
DEBUG_printf("ble_host_task\n");
nimble_port_run(); // This function will return only when nimble_port_stop() is executed.
nimble_port_freertos_deinit();
}
void mp_bluetooth_nimble_port_hci_init(void) {
DEBUG_printf("mp_bluetooth_nimble_port_hci_init\n");
esp_nimble_hci_and_controller_init();
}
void mp_bluetooth_nimble_port_hci_deinit(void) {
DEBUG_printf("mp_bluetooth_nimble_port_hci_deinit\n");
esp_nimble_hci_and_controller_deinit();
}
void mp_bluetooth_nimble_port_start(void) {
DEBUG_printf("mp_bluetooth_nimble_port_start\n");
nimble_port_freertos_init(ble_host_task);
}
void mp_bluetooth_nimble_port_shutdown(void) {
DEBUG_printf("mp_bluetooth_nimble_port_shutdown\n");
// Despite the name, these is an ESP32-specific (no other NimBLE ports have these functions).
// Calls ble_hs_stop() and waits for stack shutdown.
nimble_port_stop();
// Shuts down the event queue.
nimble_port_deinit();
// Mark stack as shutdown.
mp_bluetooth_nimble_ble_state = MP_BLUETOOTH_NIMBLE_BLE_STATE_OFF;
}
#endif