#include <asio2/serial_port/serial_port.hpp>

int main()

{

#if defined(WIN32) || defined(_WIN32) || defined(_WIN64) || defined(_WINDOWS_)

// Detected memory leaks on windows system

_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);

#endif

std::string_view device = "COM1"; // for windows

//std::string_view device = "/dev/ttyS0"; // for linux

std::string_view baud_rate = "9600";

asio2::serial_port sp;

sp.start_timer(1, std::chrono::seconds(1), []() {});

sp.bind_init([&]()

{

// Set other serial port parameters at here

sp.socket().set_option(asio::serial_port::flow_control(asio::serial_port::flow_control::type::none));

sp.socket().set_option(asio::serial_port::parity(asio::serial_port::parity::type::none));

sp.socket().set_option(asio::serial_port::stop_bits(asio::serial_port::stop_bits::type::one));

sp.socket().set_option(asio::serial_port::character_size(8));

}).bind_recv([&](std::string_view sv)

{

printf("recv : %u %.*s\n", (unsigned)sv.size(), (int)sv.size(), sv.data());

std::string s;

uint8_t len = uint8_t(10 + (std::rand() % 20));

s += '<';

for (uint8_t i = 0; i < len; i++)

{

s += (char)((std::rand() % 26) + 'a');

}

s += '>';

sp.async_send(s, []() {});

}).bind_start([&](asio::error_code ec)

{

printf("start : %d %s\n", ec.value(), ec.message().c_str());

}).bind_stop([&](asio::error_code ec)

{

printf("stop : %d %s\n", ec.value(), ec.message().c_str());

});

//sp.start(device, baud_rate);

sp.start(device, baud_rate, '>');

sp.start(device, baud_rate, '>');

sp.stop();

sp.start(device, baud_rate, '>');

//sp.start(device, baud_rate, "\r\n");

//sp.start(device, baud_rate, match_role);

//sp.start(device, baud_rate, asio::transfer_at_least(1));

//sp.start(device, baud_rate, asio::transfer_exactly(10));

sp.async_send("abc", [](std::size_t bytes_sent)

{

printf("send : %u %d %s\n", (unsigned)bytes_sent,

asio2::last_error_val(), asio2::last_error_msg().c_str());

});

while (std::getchar() != '\n');

return 0;

}