Diff: source/usb/bulk/usbd_bulk.c

Revision:

0:01f31e923fe2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/usb/bulk/usbd_bulk.c	Tue Apr 07 12:55:42 2020 +0200
@@ -0,0 +1,109 @@
+/**
+ * @file    usbd_bulk.c
+ * @brief   DAPv2 BULK driver
+ *
+ * DAPLink Interface Firmware
+ * Copyright (c) 2019, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string.h>
+
+#include "rl_usb.h"
+#include "usb_for_lib.h"
+#include "util.h"
+#include "DAP_queue.h"
+
+static U8 *ptrDataIn;
+static U16 DataInReceLen;
+static DAP_queue DAP_Cmd_queue;
+
+static volatile uint8_t  USB_ResponseIdle;
+
+void usbd_bulk_init(void)
+{
+    ptrDataIn     = USBD_Bulk_BulkOutBuf;
+    DataInReceLen = 0;
+    DAP_queue_init(&DAP_Cmd_queue);
+    USB_ResponseIdle = 1;
+}
+
+/*
+ *  USB Device Bulk In Endpoint Event Callback
+ *    Parameters:      event: not used (just for compatibility)
+ *    Return Value:    None
+ */
+
+void USBD_BULK_EP_BULKIN_Event(U32 event)
+{
+    uint8_t * sbuf = 0;
+    int slen;
+    if(DAP_queue_get_send_buf(&DAP_Cmd_queue, &sbuf, &slen)){
+        USBD_WriteEP(usbd_bulk_ep_bulkin | 0x80, sbuf, slen);
+    } else {
+        USB_ResponseIdle = 1;
+    }
+}
+
+
+/*
+ *  USB Device Bulk Out Endpoint Event Callback
+ *    Parameters:      event: not used (just for compatibility)
+ *    Return Value:    None
+ */
+
+void USBD_BULK_EP_BULKOUT_Event(U32 event)
+{
+    U16 bytes_rece;
+    uint8_t * rbuf;
+
+    bytes_rece      = USBD_ReadEP(usbd_bulk_ep_bulkout, ptrDataIn, USBD_Bulk_BulkBufSize - DataInReceLen);
+    ptrDataIn      += bytes_rece;
+    DataInReceLen  += bytes_rece;
+
+    if ((DataInReceLen >= USBD_Bulk_BulkBufSize) ||
+            (bytes_rece    <  usbd_bulk_maxpacketsize[USBD_HighSpeed])) {
+        if (DAP_queue_execute_buf(&DAP_Cmd_queue, USBD_Bulk_BulkOutBuf, DataInReceLen, &rbuf)) {
+            //Trigger the BULKIn for the reply
+            if (USB_ResponseIdle) {
+                USBD_BULK_EP_BULKIN_Event(0);
+                USB_ResponseIdle = 0;
+            }
+        }
+        //revert the input pointers
+        DataInReceLen = 0;
+        ptrDataIn     = USBD_Bulk_BulkOutBuf;
+    }
+}
+
+
+/*
+ *  USB Device Bulk In/Out Endpoint Event Callback
+ *    Parameters:      event: USB Device Event
+ *                       USBD_EVT_OUT: Output Event
+ *                       USBD_EVT_IN:  Input Event
+ *    Return Value:    None
+ */
+
+void USBD_BULK_EP_BULK_Event(U32 event)
+{
+    if (event & USBD_EVT_OUT) {
+        USBD_BULK_EP_BULKOUT_Event(0);
+    }
+
+    if (event & USBD_EVT_IN) {
+        USBD_BULK_EP_BULKIN_Event(0);
+    }
+}