1 files changed, 114 insertions, 0 deletions
diff --git a/tinyusb/src/device/usbd_pvt.h b/tinyusb/src/device/usbd_pvt.h
new file mode 100755
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+++ b/tinyusb/src/device/usbd_pvt.h
@@ -0,0 +1,114 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * 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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+#ifndef USBD_PVT_H_
+#define USBD_PVT_H_
+
+#include "osal/osal.h"
+#include "common/tusb_fifo.h"
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+//--------------------------------------------------------------------+
+// Class Driver API
+//--------------------------------------------------------------------+
+
+typedef struct
+{
+  #if CFG_TUSB_DEBUG >= 2
+  char const* name;
+  #endif
+
+  void     (* init             ) (void);
+  void     (* reset            ) (uint8_t rhport);
+  uint16_t (* open             ) (uint8_t rhport, tusb_desc_interface_t const * desc_intf, uint16_t max_len);
+  bool     (* control_xfer_cb  ) (uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
+  bool     (* xfer_cb          ) (uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
+  void     (* sof              ) (uint8_t rhport); /* optional */
+} usbd_class_driver_t;
+
+// Invoked when initializing device stack to get additional class drivers.
+// Can optionally implemented by application to extend/overwrite class driver support.
+// Note: The drivers array must be accessible at all time when stack is active
+usbd_class_driver_t const* usbd_app_driver_get_cb(uint8_t* driver_count) TU_ATTR_WEAK;
+
+typedef bool (*usbd_control_xfer_cb_t)(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
+
+//--------------------------------------------------------------------+
+// USBD Endpoint API
+//--------------------------------------------------------------------+
+
+// Open an endpoint
+bool usbd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep);
+
+// Close an endpoint
+void usbd_edpt_close(uint8_t rhport, uint8_t ep_addr);
+
+// Submit a usb transfer
+bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes);
+
+// Submit a usb ISO transfer by use of a FIFO (ring buffer) - all bytes in FIFO get transmitted
+bool usbd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes);
+
+// Claim an endpoint before submitting a transfer.
+// If caller does not make any transfer, it must release endpoint for others.
+bool usbd_edpt_claim(uint8_t rhport, uint8_t ep_addr);
+
+// Release an endpoint without submitting a transfer
+bool usbd_edpt_release(uint8_t rhport, uint8_t ep_addr);
+
+// Check if endpoint transferring is complete
+bool usbd_edpt_busy(uint8_t rhport, uint8_t ep_addr);
+
+// Stall endpoint
+void usbd_edpt_stall(uint8_t rhport, uint8_t ep_addr);
+
+// Clear stalled endpoint
+void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr);
+
+// Check if endpoint is stalled
+bool usbd_edpt_stalled(uint8_t rhport, uint8_t ep_addr);
+
+TU_ATTR_ALWAYS_INLINE static inline
+bool usbd_edpt_ready(uint8_t rhport, uint8_t ep_addr)
+{
+  return !usbd_edpt_busy(rhport, ep_addr) && !usbd_edpt_stalled(rhport, ep_addr);
+}
+
+/*------------------------------------------------------------------*/
+/* Helper
+ *------------------------------------------------------------------*/
+
+bool usbd_open_edpt_pair(uint8_t rhport, uint8_t const* p_desc, uint8_t ep_count, uint8_t xfer_type, uint8_t* ep_out, uint8_t* ep_in);
+void usbd_defer_func( osal_task_func_t func, void* param, bool in_isr );
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* USBD_PVT_H_ */