be41e6b906
get rid of particular compile-time designations by UART index. just hand out the next free index of hardware UARTs, or indicate that none is available any more. use names as keys to register and free UARTs.
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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#include "SerialPortManager.h"
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#include "MessageOutput.h"
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SerialPortManagerClass SerialPortManager;
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void SerialPortManagerClass::init()
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{
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if (ARDUINO_USB_CDC_ON_BOOT != 1) {
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_ports[0] = "Serial Console";
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MessageOutput.println("[SerialPortManager] HW UART port 0 now in use "
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"by 'Serial Console'");
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}
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}
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std::optional<uint8_t> SerialPortManagerClass::allocatePort(std::string const& owner)
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{
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for (size_t i = 0; i < _ports.size(); ++i) {
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if (_ports[i] != "") {
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MessageOutput.printf("[SerialPortManager] HW UART %d already "
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"in use by '%s'\r\n", i, _ports[i].c_str());
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continue;
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}
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_ports[i] = owner;
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MessageOutput.printf("[SerialPortManager] HW UART %d now in use "
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"by '%s'\r\n", i, owner.c_str());
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return i;
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}
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MessageOutput.printf("[SerialPortManager] Cannot assign another HW "
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"UART port to '%s'\r\n", owner.c_str());
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return std::nullopt;
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}
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void SerialPortManagerClass::freePort(std::string const& owner)
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{
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for (size_t i = 0; i < _ports.size(); ++i) {
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if (_ports[i] != owner) { continue; }
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MessageOutput.printf("[SerialPortManager] Freeing HW UART %d, owner "
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"was '%s'\r\n", i, owner.c_str());
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_ports[i] = "";
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}
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}
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