1 \r
2 /*\r
3 * Copyright (C) 2009-2016 Texas Instruments Incorporated - http://www.ti.com/\r
4 *\r
5 *\r
6 * Redistribution and use in source and binary forms, with or without\r
7 * modification, are permitted provided that the following conditions\r
8 * are met:\r
9 *\r
10 * Redistributions of source code must retain the above copyright\r
11 * notice, this list of conditions and the following disclaimer.\r
12 *\r
13 * Redistributions in binary form must reproduce the above copyright\r
14 * notice, this list of conditions and the following disclaimer in the\r
15 * documentation and/or other materials provided with the\r
16 * distribution.\r
17 *\r
18 * Neither the name of Texas Instruments Incorporated nor the names of\r
19 * its contributors may be used to endorse or promote products derived\r
20 * from this software without specific prior written permission.\r
21 *\r
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\r
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\r
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\r
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\r
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\r
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
33 *\r
34 */\r
35 \r
36 #include "PCIeEDMA.h"\r
37 \r
38 \r
39 /* Flag variable to check transfer completion on channel 1 */\r
40 volatile short irqRaised1 = 0;\r
41 \r
42 /* Callback functions are used to handle interrupts. This is currently not enabled in this exmaple code.\r
43 * To see how the callback function is used, refer to the EDMA LLD example project.\r
44 */\r
45 \r
46 /* Callback function 1 */\r
47 void pcie_edma_cb_isr1 (uint32_t tcc, EDMA3_RM_TccStatus status,\r
48 void *appData)\r
49 {\r
50 (void)tcc;\r
51 (void)appData;\r
52 \r
53 switch (status)\r
54 {\r
55 case EDMA3_RM_XFER_COMPLETE:\r
56 /* Transfer completed successfully */\r
57 irqRaised1 = 1;\r
58 break;\r
59 case EDMA3_RM_E_CC_DMA_EVT_MISS:\r
60 /* Transfer resulted in DMA event miss error. */\r
61 irqRaised1 = -1;\r
62 break;\r
63 case EDMA3_RM_E_CC_QDMA_EVT_MISS:\r
64 /* Transfer resulted in QDMA event miss error. */\r
65 irqRaised1 = -2;\r
66 break;\r
67 default:\r
68 break;\r
69 }\r
70 }\r
71 \r