kopia lustrzana https://github.com/micropython/micropython
104 wiersze
2.9 KiB
C
104 wiersze
2.9 KiB
C
![]() |
/*
|
||
|
* This file is part of the MicroPython project, http://micropython.org/
|
||
|
*
|
||
|
* The MIT License (MIT)
|
||
|
*
|
||
|
* Copyright (c) 2019 Damien P. George
|
||
|
* 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/mphal.h"
|
||
|
#include "tusb.h"
|
||
|
|
||
|
#include CPU_HEADER_H
|
||
|
|
||
|
#if MICROPY_KBD_EXCEPTION
|
||
|
|
||
|
void tud_cdc_rx_wanted_cb(uint8_t itf, char wanted_char) {
|
||
|
(void)itf;
|
||
|
(void)wanted_char;
|
||
|
tud_cdc_read_char(); // discard interrupt char
|
||
|
mp_keyboard_interrupt();
|
||
|
}
|
||
|
|
||
|
void mp_hal_set_interrupt_char(int c) {
|
||
|
tud_cdc_set_wanted_char(c);
|
||
|
}
|
||
|
|
||
|
#endif
|
||
|
|
||
|
void mp_hal_delay_ms(mp_uint_t ms) {
|
||
|
ms += 1;
|
||
|
uint32_t t0 = systick_ms;
|
||
|
while (systick_ms - t0 < ms) {
|
||
|
MICROPY_EVENT_POLL_HOOK
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void mp_hal_delay_us(mp_uint_t us) {
|
||
|
uint32_t ms = us / 1000 + 1;
|
||
|
uint32_t t0 = systick_ms;
|
||
|
while (systick_ms - t0 < ms) {
|
||
|
__WFI();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
int mp_hal_stdin_rx_chr(void) {
|
||
|
for (;;) {
|
||
|
// TODO
|
||
|
// if (USARTx->USART.INTFLAG.bit.RXC) {
|
||
|
// return USARTx->USART.DATA.bit.DATA;
|
||
|
// }
|
||
|
if (tud_cdc_connected() && tud_cdc_available()) {
|
||
|
uint8_t buf[1];
|
||
|
uint32_t count = tud_cdc_read(buf, sizeof(buf));
|
||
|
if (count) {
|
||
|
return buf[0];
|
||
|
}
|
||
|
}
|
||
|
__WFI();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
|
||
|
if (tud_cdc_connected()) {
|
||
|
for (size_t i = 0; i < len;) {
|
||
|
uint32_t n = len - i;
|
||
|
uint32_t n2 = tud_cdc_write(str + i, n);
|
||
|
if (n2 < n) {
|
||
|
while (!tud_cdc_write_flush()) {
|
||
|
__WFI();
|
||
|
}
|
||
|
}
|
||
|
i += n2;
|
||
|
}
|
||
|
while (!tud_cdc_write_flush()) {
|
||
|
__WFI();
|
||
|
}
|
||
|
}
|
||
|
// TODO
|
||
|
// while (len--) {
|
||
|
// while (!(USARTx->USART.INTFLAG.bit.DRE)) { }
|
||
|
// USARTx->USART.DATA.bit.DATA = *str++;
|
||
|
// }
|
||
|
}
|