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+#ifndef ucoo_hal_usb_usb_cdc_hh
+#define ucoo_hal_usb_usb_cdc_hh
+// ucoolib - Microcontroller object oriented library. {{{
+//
+// Copyright (C) 2016 Nicolas Schodet
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+// }}}
+#include "ucoo/hal/usb/usb_application.hh"
+#include "ucoo/hal/usb/usb_desc.hh"
+#include "ucoo/hal/usb/usb_cdc_def.hh"
+#include "ucoo/intf/stream.hh"
+#include "ucoo/utils/buffer.hh"
+
+#include "config/ucoo/hal/usb.hh"
+
+namespace ucoo {
+
+/// Return a default device descriptor for single CDC ACM device.
+details::UsbDesc
+usb_cdc_default_device_desc ();
+
+/// Return a default configuration descriptor for single CDC ACM device.
+details::UsbDesc
+usb_cdc_default_configuration_desc ();
+
+/// Handle a CDC ACM device, in our case a simple serial port.
+class UsbApplicationCdcAcm : public UsbApplicationWithSetup, public Stream
+{
+ public:
+ UsbApplicationCdcAcm (UsbDriver &driver)
+ : UsbApplicationWithSetup (driver) { }
+ SetupResult handle_setup (uint16_t request_n_type,
+ uint16_t value, uint16_t index,
+ uint16_t length) override;
+ void handle_configuration_set (uint8_t configuration) override;
+ void ep_handle_out (uint8_t ep_address, int bcnt) override;
+ void ep_handle_in (uint8_t ep_address) override;
+ int read (char *buf, int count) override;
+ int write (const char *buf, int count) override;
+ int poll () override;
+ protected:
+ void recv_done () override;
+ private:
+ /// Send serial state over notification end point.
+ void send_serial_state (bool active);
+ private:
+ /// Line coding being received.
+ UsbCdcLineCoding line_coding_;
+ /// Whether serial port is active (always the case now).
+ static const bool active_ = true;
+ /// RX buffer.
+ Buffer<char, CONFIG_UCOO_HAL_USB_EP_SIZE * 2> rx_buffer_;
+ /// TX buffer.
+ Buffer<char, CONFIG_UCOO_HAL_USB_EP_SIZE * 2> tx_buffer_;
+ /// Is ready to exchange data?
+ bool configured_ = false;
+ /// Was serial state requested?
+ bool send_serial_state_ = false;
+};
+
+} // namespace ucoo
+
+#endif // ucoo_hal_usb_usb_cdc_hh