mirror of https://github.com/ARMmbed/mbed-os.git
62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
/* mbed Microcontroller Library
|
|
* Copyright (c) 2018-2018 ARM Limited
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "stdint.h"
|
|
#include "USBSerial.h"
|
|
|
|
int USBSerial::_putc(int c)
|
|
{
|
|
return send((uint8_t *)&c, 1) ? 1 : 0;
|
|
}
|
|
|
|
int USBSerial::_getc()
|
|
{
|
|
uint8_t c = 0;
|
|
if (receive(&c, sizeof(c))) {
|
|
return c;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
void USBSerial::data_rx()
|
|
{
|
|
assert_locked();
|
|
|
|
//call a potential handler
|
|
if (rx) {
|
|
rx.call();
|
|
}
|
|
}
|
|
|
|
uint8_t USBSerial::available()
|
|
{
|
|
USBCDC::lock();
|
|
|
|
uint8_t size = 0;
|
|
if (!_rx_in_progress) {
|
|
size = _rx_size > 0xFF ? 0xFF : _rx_size;
|
|
}
|
|
|
|
USBCDC::unlock();
|
|
return size;
|
|
}
|
|
|
|
bool USBSerial::connected()
|
|
{
|
|
return _terminal_connected;
|
|
}
|