.. _program_listing_file_libspookyaction_include_pn532_esp32_hsu.hpp:

Program Listing for File hsu.hpp
================================

|exhale_lsh| :ref:`Return to documentation for file <file_libspookyaction_include_pn532_esp32_hsu.hpp>` (``libspookyaction/include/pn532/esp32/hsu.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   //
   // Created by Pietro Saccardi on 21/12/2020.
   //
   
   #ifndef PN532_ESP32_HSU_HPP
   #define PN532_ESP32_HSU_HPP
   
   #include <driver/gpio.h>
   #include <driver/uart.h>
   #include <pn532/channel.hpp>
   
   namespace pn532::esp32 {
   
       class hsu_channel final : public channel {
           uart_port_t _port;
   
       protected:
           result<> raw_send(mlab::range<bin_data::const_iterator> buffer, ms timeout) override;
   
           result<> raw_receive(mlab::range<bin_data::iterator> buffer, ms timeout) override;
   
           [[nodiscard]] inline comm_rx_mode raw_receive_mode() const override;
   
           bool on_send_prepare(ms timeout) override;
   
       public:
           bool wake() override;
   
           hsu_channel(uart_port_t port, uart_config_t config, gpio_num_t to_device_tx, gpio_num_t to_device_rx);
   
           ~hsu_channel() override;
       };
   }// namespace pn532::esp32
   
   namespace pn532::esp32 {
       comm_rx_mode hsu_channel::raw_receive_mode() const {
           return comm_rx_mode::stream;
       }
   }// namespace pn532::esp32
   
   #endif//PN532_ESP32_HSU_HPP