circuitpython/ports/stm32/nimble.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
#include "systick.h"
#include "pendsv.h"
#include "transport/uart/ble_hci_uart.h"
#include "host/ble_hs.h"
#include "extmod/modbluetooth_nimble.h"
extern void nimble_uart_process(void);
extern void os_eventq_run_all(void);
extern void os_callout_process(void);
// Hook for pendsv poller to run this periodically every 128ms
#define NIMBLE_TICK(tick) (((tick) & ~(SYSTICK_DISPATCH_NUM_SLOTS - 1) & 0x7f) == 0)
void nimble_poll(void) {
if (mp_bluetooth_nimble_ble_state == MP_BLUETOOTH_NIMBLE_BLE_STATE_OFF) {
return;
}
nimble_uart_process();
os_callout_process();
os_eventq_run_all();
}
void mod_bluetooth_nimble_poll_wrapper(uint32_t ticks_ms) {
if (NIMBLE_TICK(ticks_ms)) {
pendsv_schedule_dispatch(PENDSV_DISPATCH_NIMBLE, nimble_poll);
}
}
void mp_bluetooth_nimble_port_preinit(void) {
MP_STATE_PORT(bluetooth_nimble_memory) = NULL;
ble_hci_uart_init();
}
void mp_bluetooth_nimble_port_postinit(void) {
}
void mp_bluetooth_nimble_port_deinit(void) {
#ifdef pyb_pin_BT_REG_ON
mp_hal_pin_low(pyb_pin_BT_REG_ON);
#endif
}
void mp_bluetooth_nimble_port_start(void) {
ble_hs_start();
}
#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE