108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/runtime.h"
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#include "py/mperrno.h"
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#include "py/mphal.h"
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#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK
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#include "lib/btstack/src/btstack.h"
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#include "lib/btstack/platform/embedded/btstack_run_loop_embedded.h"
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#include "lib/btstack/platform/embedded/hal_cpu.h"
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#include "lib/btstack/platform/embedded/hal_time_ms.h"
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#include "extmod/mpbthci.h"
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#include "extmod/btstack/btstack_hci_uart.h"
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#include "extmod/btstack/modbluetooth_btstack.h"
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// The IRQ functionality in btstack_run_loop_embedded.c is not used, so the
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// following three functions are empty.
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void hal_cpu_disable_irqs(void) {
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}
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void hal_cpu_enable_irqs(void) {
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}
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void hal_cpu_enable_irqs_and_sleep(void) {
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}
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uint32_t hal_time_ms(void) {
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return mp_hal_ticks_ms();
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}
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STATIC const hci_transport_config_uart_t hci_transport_config_uart = {
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HCI_TRANSPORT_CONFIG_UART,
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MICROPY_HW_BLE_UART_BAUDRATE,
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3000000,
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0,
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NULL,
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};
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void mp_bluetooth_hci_poll(void) {
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if (mp_bluetooth_btstack_state == MP_BLUETOOTH_BTSTACK_STATE_OFF) {
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return;
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}
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// Process uart data.
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if (mp_bluetooth_btstack_state != MP_BLUETOOTH_BTSTACK_STATE_HALTING) {
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mp_bluetooth_btstack_hci_uart_process();
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}
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// Call the BTstack run loop.
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btstack_run_loop_embedded_execute_once();
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}
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void mp_bluetooth_btstack_port_init(void) {
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static bool run_loop_init = false;
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if (!run_loop_init) {
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run_loop_init = true;
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btstack_run_loop_init(btstack_run_loop_embedded_get_instance());
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} else {
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btstack_run_loop_embedded_get_instance()->init();
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}
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// hci_dump_open(NULL, HCI_DUMP_STDOUT);
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const hci_transport_t *transport = hci_transport_h4_instance(&mp_bluetooth_btstack_hci_uart_block);
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hci_init(transport, &hci_transport_config_uart);
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// TODO: Probably not necessary for BCM (we have our own firmware loader in the cyw43 driver),
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// but might be worth investigating for other controllers in the future.
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// hci_set_chipset(btstack_chipset_bcm_instance());
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}
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void mp_bluetooth_btstack_port_deinit(void) {
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hci_power_control(HCI_POWER_OFF);
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hci_close();
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}
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void mp_bluetooth_btstack_port_start(void) {
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hci_power_control(HCI_POWER_ON);
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}
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#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK
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