kopia lustrzana https://github.com/micropython/micropython
129 wiersze
4.2 KiB
C
129 wiersze
4.2 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2018-2019 Damien P. George
|
|
*
|
|
* 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/mphal.h"
|
|
#include "nimble/ble.h"
|
|
#include "extmod/nimble/modbluetooth_nimble.h"
|
|
#include "extmod/nimble/hal/hal_uart.h"
|
|
#include "extmod/nimble/nimble/nimble_npl_os.h"
|
|
#include "extmod/mpbthci.h"
|
|
|
|
#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
|
|
|
|
#ifndef MICROPY_PY_BLUETOOTH_HCI_READ_MODE
|
|
#define MICROPY_PY_BLUETOOTH_HCI_READ_MODE MICROPY_PY_BLUETOOTH_HCI_READ_MODE_BYTE
|
|
#endif
|
|
|
|
#define HCI_TRACE (0)
|
|
|
|
static hal_uart_tx_cb_t hal_uart_tx_cb;
|
|
static void *hal_uart_tx_arg;
|
|
static hal_uart_rx_cb_t hal_uart_rx_cb;
|
|
static void *hal_uart_rx_arg;
|
|
|
|
// Provided by the port, and also possibly shared with the driver.
|
|
extern uint8_t mp_bluetooth_hci_cmd_buf[4 + 256];
|
|
|
|
int hal_uart_init_cbs(uint32_t port, hal_uart_tx_cb_t tx_cb, void *tx_arg, hal_uart_rx_cb_t rx_cb, void *rx_arg) {
|
|
hal_uart_tx_cb = tx_cb;
|
|
hal_uart_tx_arg = tx_arg;
|
|
hal_uart_rx_cb = rx_cb;
|
|
hal_uart_rx_arg = rx_arg;
|
|
return 0; // success
|
|
}
|
|
|
|
int hal_uart_config(uint32_t port, uint32_t baudrate, uint32_t bits, uint32_t stop, uint32_t parity, uint32_t flow) {
|
|
return mp_bluetooth_hci_uart_init(port, baudrate);
|
|
}
|
|
|
|
void hal_uart_start_tx(uint32_t port) {
|
|
size_t len = 0;
|
|
for (;;) {
|
|
int data = hal_uart_tx_cb(hal_uart_tx_arg);
|
|
if (data == -1) {
|
|
break;
|
|
}
|
|
mp_bluetooth_hci_cmd_buf[len++] = data;
|
|
}
|
|
|
|
#if HCI_TRACE
|
|
printf("< [% 8d] %02x", (int)mp_hal_ticks_ms(), mp_bluetooth_hci_cmd_buf[0]);
|
|
for (size_t i = 1; i < len; ++i) {
|
|
printf(":%02x", mp_bluetooth_hci_cmd_buf[i]);
|
|
}
|
|
printf("\n");
|
|
#endif
|
|
|
|
mp_bluetooth_hci_uart_write(mp_bluetooth_hci_cmd_buf, len);
|
|
|
|
if (len > 0) {
|
|
// Allow modbluetooth bindings to hook "sent packet" (e.g. to unstall l2cap channels).
|
|
mp_bluetooth_nimble_sent_hci_packet();
|
|
}
|
|
}
|
|
|
|
int hal_uart_close(uint32_t port) {
|
|
return 0; // success
|
|
}
|
|
|
|
STATIC void mp_bluetooth_hci_uart_char_cb(uint8_t chr) {
|
|
#if HCI_TRACE
|
|
printf("> %02x\n", chr);
|
|
#endif
|
|
hal_uart_rx_cb(hal_uart_rx_arg, chr);
|
|
}
|
|
|
|
void mp_bluetooth_nimble_hci_uart_process(bool run_events) {
|
|
bool host_wake = mp_bluetooth_hci_controller_woken();
|
|
|
|
for (;;) {
|
|
#if MICROPY_PY_BLUETOOTH_HCI_READ_MODE == MICROPY_PY_BLUETOOTH_HCI_READ_MODE_BYTE
|
|
int chr = mp_bluetooth_hci_uart_readchar();
|
|
if (chr < 0) {
|
|
break;
|
|
}
|
|
mp_bluetooth_hci_uart_char_cb(chr);
|
|
#elif MICROPY_PY_BLUETOOTH_HCI_READ_MODE == MICROPY_PY_BLUETOOTH_HCI_READ_MODE_PACKET
|
|
if (mp_bluetooth_hci_uart_readpacket(mp_bluetooth_hci_uart_char_cb) < 0) {
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
// Incoming data may result in events being enqueued. If we're in
|
|
// scheduler context then we can run those events immediately.
|
|
if (run_events) {
|
|
mp_bluetooth_nimble_os_eventq_run_all();
|
|
}
|
|
}
|
|
|
|
if (host_wake) {
|
|
mp_bluetooth_hci_controller_sleep_maybe();
|
|
}
|
|
}
|
|
|
|
#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
|