micropython/ports/unix/mpbtstackport_common.c

96 lines
3.2 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 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_BTSTACK
#include "lib/btstack/src/btstack.h"
#include "lib/btstack/platform/embedded/btstack_run_loop_embedded.h"
#include "lib/btstack/platform/embedded/hal_cpu.h"
#include "lib/btstack/platform/embedded/hal_time_ms.h"
#include "extmod/btstack/modbluetooth_btstack.h"
#include "mpbtstackport.h"
// Called by the UART polling thread in mpbthciport.c, or by the USB polling thread in mpbtstackport_usb.c.
bool mp_bluetooth_hci_poll(void) {
if (mp_bluetooth_btstack_state == MP_BLUETOOTH_BTSTACK_STATE_STARTING || mp_bluetooth_btstack_state == MP_BLUETOOTH_BTSTACK_STATE_ACTIVE || mp_bluetooth_btstack_state == MP_BLUETOOTH_BTSTACK_STATE_HALTING) {
// Pretend like we're running in IRQ context (i.e. other things can't be running at the same time).
mp_uint_t atomic_state = MICROPY_BEGIN_ATOMIC_SECTION();
#if MICROPY_BLUETOOTH_BTSTACK_H4
mp_bluetooth_hci_poll_h4();
#endif
btstack_run_loop_embedded_execute_once();
MICROPY_END_ATOMIC_SECTION(atomic_state);
return true;
}
return false;
}
bool mp_bluetooth_hci_active(void) {
return mp_bluetooth_btstack_state != MP_BLUETOOTH_BTSTACK_STATE_OFF
&& mp_bluetooth_btstack_state != MP_BLUETOOTH_BTSTACK_STATE_TIMEOUT;
}
// The IRQ functionality in btstack_run_loop_embedded.c is not used, so the
// following three functions are empty.
void hal_cpu_disable_irqs(void) {
}
void hal_cpu_enable_irqs(void) {
}
void hal_cpu_enable_irqs_and_sleep(void) {
}
uint32_t hal_time_ms(void) {
return mp_hal_ticks_ms();
}
void mp_bluetooth_btstack_port_init(void) {
btstack_run_loop_init(btstack_run_loop_embedded_get_instance());
// hci_dump_open(NULL, HCI_DUMP_STDOUT);
#if MICROPY_BLUETOOTH_BTSTACK_H4
mp_bluetooth_btstack_port_init_h4();
#endif
#if MICROPY_BLUETOOTH_BTSTACK_USB
mp_bluetooth_btstack_port_init_usb();
#endif
}
#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK