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serial_port add set_stop_bits/get_stop_bits #264

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Merged
klemens-morgenstern merged 1 commit into from
Feb 5, 2026
Merged

serial_port add set_stop_bits/get_stop_bits #264

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5 changes: 5 additions & 0 deletions include/boost/cobalt/io/serial_port.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,11 @@ struct BOOST_SYMBOL_VISIBLE serial_port final : stream
[[nodiscard]] BOOST_COBALT_IO_DECL system::result<void> set_parity(parity rate);
[[nodiscard]] BOOST_COBALT_IO_DECL system::result<parity> get_parity();

using stop_bits = asio::serial_port_base::stop_bits::type;

[[nodiscard]] BOOST_COBALT_IO_DECL system::result<void> set_stop_bits(stop_bits stop_bits);
[[nodiscard]] BOOST_COBALT_IO_DECL system::result<stop_bits> get_stop_bits();

using native_handle_type = typename asio::basic_serial_port<executor>::native_handle_type;
native_handle_type native_handle() {return serial_port_.native_handle();}

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15 changes: 15 additions & 0 deletions src/io/serial_port.cpp
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Expand Up @@ -95,6 +95,21 @@ auto serial_port::get_parity() -> system::result<parity>
return ec ? ec : system::result<parity>(br.value());
}

system::result<void> serial_port::set_stop_bits(stop_bits stop_bits)
{
system::error_code ec;
serial_port_.set_option(asio::serial_port_base::stop_bits(stop_bits), ec);
return ec ? ec : boost::system::result<void>();
}

auto serial_port::get_stop_bits() -> system::result<stop_bits>
{
system::error_code ec;
asio::serial_port_base::stop_bits sb;
serial_port_.get_option(sb, ec);
return ec ? ec : boost::system::result<stop_bits>(sb.value());
}

serial_port::serial_port(const cobalt::executor & executor)
: serial_port_(executor) {}
serial_port::serial_port(std::string_view device, const cobalt::executor & executor)
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