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+#ifndef ucoo_hal_usb_usb_dwc_otg_stm32_hh
+#define ucoo_hal_usb_usb_dwc_otg_stm32_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_driver.hh"
+
+namespace ucoo {
+
+/// Low level USB driver.
+class UsbDriverDwcOtg : public UsbDriver
+{
+ public:
+ enum
+ {
+ END_POINT_NB = 4,
+ };
+ enum class Instance
+ {
+ OTG_FS,
+ OTG_HS,
+ };
+ public:
+ /// Constructor for a USB OTG instance.
+ template<typename DeviceDesc, typename ConfigurationDesc,
+ typename... StringDescs>
+ UsbDriverDwcOtg (Instance inst,
+ const DeviceDesc &device_desc,
+ const ConfigurationDesc &configuration_desc,
+ const details::UsbDescs<StringDescs...> &string_descs);
+ /// Destructor, disable.
+ ~UsbDriverDwcOtg () { disable (); }
+ void enable () override;
+ void disable () override;
+ int ep_write (uint8_t address, const char *data, int size) override;
+ void ep_write_ready (uint8_t address) override;
+ int ep_read (uint8_t address, char *data, int size) override;
+ void ep_read_ready (uint8_t address, int size) override;
+ void ep_stall (uint8_t address, bool stall = true) override;
+ void set_address (uint8_t address) override;
+ protected:
+ void ep_setup (uint8_t address, EpType type, int size) override;
+ public:
+ void isr ();
+ private:
+ void isr_rx_fifo ();
+ private:
+ Instance inst_;
+ bool enabled_ = false;
+ const int rx_fifo_size_ = 512;
+ int rx_ep_ = -1;
+ int rx_length_ = -1;
+ int ep_out_size_[END_POINT_NB];
+ int ep_in_size_[END_POINT_NB];
+ uint32_t ep_out_doeptsiz_[END_POINT_NB];
+ int fifo_used_ = 0;
+ uint32_t setup_buf_[2];
+};
+
+template<typename DeviceDesc, typename ConfigurationDesc,
+ typename... StringDescs>
+UsbDriverDwcOtg::UsbDriverDwcOtg (
+ Instance inst,
+ const DeviceDesc &device_desc,
+ const ConfigurationDesc &configuration_desc,
+ const details::UsbDescs<StringDescs...> &string_descs)
+ : UsbDriver (device_desc, configuration_desc, string_descs),
+ inst_ (inst)
+{
+}
+
+} // namespace ucoo
+
+#endif // ucoo_hal_usb_usb_dwc_otg_stm32_hh