mirror of https://github.com/ARMmbed/mbed-os.git
93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
/*
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* Copyright (c) 2018-2019, Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdint.h"
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#include "USBSerial.h"
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#include "usb_phy_api.h"
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USBSerial::USBSerial(bool connect_blocking, uint16_t vendor_id, uint16_t product_id, uint16_t product_release):
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USBCDC(get_usb_phy(), vendor_id, product_id, product_release)
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{
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_settings_changed_callback = 0;
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if (connect_blocking) {
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connect();
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wait_ready();
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} else {
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init();
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}
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}
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USBSerial::USBSerial(USBPhy *phy, uint16_t vendor_id, uint16_t product_id, uint16_t product_release):
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USBCDC(phy, vendor_id, product_id, product_release)
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{
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_settings_changed_callback = 0;
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}
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USBSerial::~USBSerial()
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{
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deinit();
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}
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int USBSerial::_putc(int c)
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{
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if (send((uint8_t *)&c, 1)) {
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return c;
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} else {
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return -1;
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}
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}
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int USBSerial::_getc()
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{
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uint8_t c = 0;
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if (receive(&c, sizeof(c))) {
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return c;
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} else {
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return -1;
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}
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}
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void USBSerial::data_rx()
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{
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assert_locked();
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//call a potential handler
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if (rx) {
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rx.call();
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}
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}
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uint8_t USBSerial::available()
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{
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USBCDC::lock();
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uint8_t size = 0;
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if (!_rx_in_progress) {
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size = _rx_size > 0xFF ? 0xFF : _rx_size;
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}
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USBCDC::unlock();
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return size;
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}
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bool USBSerial::connected()
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{
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return _terminal_connected;
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}
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