dcd: sam3u: add sam3u from template

Signed-off-by: Rafael Silva <[email protected]>

Author: perigoso

src/portable/microchip/sam3u/dcd_sam3u.c

@@ -0,0 +1,131 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018, hathach (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.
+ */
+
+#include "tusb_option.h"
+
+#if CFG_TUSB_MCU == OPT_MCU_NONE
+
+#include "device/dcd.h"
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+//--------------------------------------------------------------------+
+
+
+/*------------------------------------------------------------------*/
+/* Device API
+ *------------------------------------------------------------------*/
+
+// Initialize controller to device mode
+void dcd_init (uint8_t rhport)
+{
+  (void) rhport;
+}
+
+// Enable device interrupt
+void dcd_int_enable (uint8_t rhport)
+{
+  (void) rhport;
+}
+
+// Disable device interrupt
+void dcd_int_disable (uint8_t rhport)
+{
+  (void) rhport;
+}
+
+// Receive Set Address request, mcu port must also include status IN response
+void dcd_set_address (uint8_t rhport, uint8_t dev_addr)
+{
+  (void) rhport;
+  (void) dev_addr;
+}
+
+// Wake up host
+void dcd_remote_wakeup (uint8_t rhport)
+{
+  (void) rhport;
+}
+
+// Connect by enabling internal pull-up resistor on D+/D-
+void dcd_connect(uint8_t rhport)
+{
+  (void) rhport;
+}
+
+// Disconnect by disabling internal pull-up resistor on D+/D-
+void dcd_disconnect(uint8_t rhport)
+{
+  (void) rhport;
+}
+
+//--------------------------------------------------------------------+
+// Endpoint API
+//--------------------------------------------------------------------+
+
+// Configure endpoint's registers according to descriptor
+bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
+{
+  (void) rhport;
+  (void) ep_desc;
+  return false;
+}
+
+// Submit a transfer, When complete dcd_event_xfer_complete() is invoked to notify the stack
+bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
+{
+  (void) rhport;
+  (void) ep_addr;
+  (void) buffer;
+  (void) total_bytes;
+  return false;
+}
+
+// Submit a transfer where is managed by FIFO, When complete dcd_event_xfer_complete() is invoked to notify the stack - optional, however, must be listed in usbd.c
+bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes)
+{
+  (void) rhport;
+  (void) ep_addr;
+  (void) ff;
+  (void) total_bytes;
+  return false;
+}
+
+// Stall endpoint
+void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
+{
+  (void) rhport;
+  (void) ep_addr;
+}
+
+// clear stall, data toggle is also reset to DATA0
+void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
+{
+  (void) rhport;
+  (void) ep_addr;
+}
+
+#endif

src/tusb_option.h

@@ -62,6 +62,7 @@
 #define OPT_MCU_SAMD11            204 ///< MicroChip SAMD11
 #define OPT_MCU_SAML22            205 ///< MicroChip SAML22
 #define OPT_MCU_SAML21            206 ///< MicroChip SAML21
+#define OPT_MCU_SAM3U             207 ///< MicroChip SAM3U
 
 // STM32
 #define OPT_MCU_STM32F0           300 ///< ST STM32F0