97 lines
3.3 KiB
C
97 lines
3.3 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 "uart.h"
|
||
|
|
#include "pendsv.h"
|
||
|
|
#include "drivers/cyw43/cywbt.h"
|
||
|
|
|
||
|
|
#if MICROPY_BLUETOOTH_NIMBLE
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
// UART
|
||
|
|
pyb_uart_obj_t bt_hci_uart_obj;
|
||
|
|
static uint8_t hci_uart_rxbuf[512];
|
||
|
|
|
||
|
|
extern void nimble_poll(void);
|
||
|
|
|
||
|
|
mp_obj_t mp_uart_interrupt(mp_obj_t self_in) {
|
||
|
|
pendsv_schedule_dispatch(PENDSV_DISPATCH_NIMBLE, nimble_poll);
|
||
|
|
return mp_const_none;
|
||
|
|
}
|
||
|
|
MP_DEFINE_CONST_FUN_OBJ_1(mp_uart_interrupt_obj, mp_uart_interrupt);
|
||
|
|
|
||
|
|
int nimble_hci_uart_set_baudrate(uint32_t baudrate) {
|
||
|
|
uart_init(&bt_hci_uart_obj, baudrate, UART_WORDLENGTH_8B, UART_PARITY_NONE, UART_STOPBITS_1, UART_HWCONTROL_RTS | UART_HWCONTROL_CTS);
|
||
|
|
uart_set_rxbuf(&bt_hci_uart_obj, sizeof(hci_uart_rxbuf), hci_uart_rxbuf);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int nimble_hci_uart_configure(uint32_t port) {
|
||
|
|
// bits (8), stop (1), parity (none) and flow (rts/cts) are assumed to match MYNEWT_VAL_BLE_HCI_UART_ constants in syscfg.h.
|
||
|
|
bt_hci_uart_obj.base.type = &pyb_uart_type;
|
||
|
|
bt_hci_uart_obj.uart_id = port;
|
||
|
|
bt_hci_uart_obj.is_static = true;
|
||
|
|
bt_hci_uart_obj.timeout = 2;
|
||
|
|
bt_hci_uart_obj.timeout_char = 2;
|
||
|
|
MP_STATE_PORT(pyb_uart_obj_all)[bt_hci_uart_obj.uart_id - 1] = &bt_hci_uart_obj;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int nimble_hci_uart_activate(void) {
|
||
|
|
// Interrupt on RX chunk received (idle)
|
||
|
|
// Trigger nimble poll when this happens
|
||
|
|
mp_obj_t uart_irq_fn = mp_load_attr(&bt_hci_uart_obj, MP_QSTR_irq);
|
||
|
|
mp_obj_t uargs[] = {
|
||
|
|
MP_OBJ_FROM_PTR(&mp_uart_interrupt_obj),
|
||
|
|
MP_OBJ_NEW_SMALL_INT(UART_FLAG_IDLE),
|
||
|
|
mp_const_true,
|
||
|
|
};
|
||
|
|
mp_call_function_n_kw(uart_irq_fn, 3, 0, uargs);
|
||
|
|
|
||
|
|
#if MICROPY_PY_NETWORK_CYW43
|
||
|
|
cywbt_init();
|
||
|
|
cywbt_activate();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
mp_uint_t nimble_hci_uart_rx_any() {
|
||
|
|
return uart_rx_any(&bt_hci_uart_obj);
|
||
|
|
}
|
||
|
|
|
||
|
|
int nimble_hci_uart_rx_char() {
|
||
|
|
return uart_rx_char(&bt_hci_uart_obj);
|
||
|
|
}
|
||
|
|
|
||
|
|
void nimble_hci_uart_tx_strn(const char *str, uint len) {
|
||
|
|
uart_tx_strn(&bt_hci_uart_obj, str, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // MICROPY_BLUETOOTH_NIMBLE
|