]> git.sur5r.net Git - freertos/blob - Demo/CORTEX_A2F200_SoftConsole/WebServer/EMAC.c
Add in basic uIP files into the A2F demo. Ping is working, but nothing else has...
[freertos] / Demo / CORTEX_A2F200_SoftConsole / WebServer / EMAC.c
1 /*\r
2     FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.\r
3 \r
4     ***************************************************************************\r
5     *                                                                         *\r
6     * If you are:                                                             *\r
7     *                                                                         *\r
8     *    + New to FreeRTOS,                                                   *\r
9     *    + Wanting to learn FreeRTOS or multitasking in general quickly       *\r
10     *    + Looking for basic training,                                        *\r
11     *    + Wanting to improve your FreeRTOS skills and productivity           *\r
12     *                                                                         *\r
13     * then take a look at the FreeRTOS books - available as PDF or paperback  *\r
14     *                                                                         *\r
15     *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *\r
16     *                  http://www.FreeRTOS.org/Documentation                  *\r
17     *                                                                         *\r
18     * A pdf reference manual is also available.  Both are usually delivered   *\r
19     * to your inbox within 20 minutes to two hours when purchased between 8am *\r
20     * and 8pm GMT (although please allow up to 24 hours in case of            *\r
21     * exceptional circumstances).  Thank you for your support!                *\r
22     *                                                                         *\r
23     ***************************************************************************\r
24 \r
25     This file is part of the FreeRTOS distribution.\r
26 \r
27     FreeRTOS is free software; you can redistribute it and/or modify it under\r
28     the terms of the GNU General Public License (version 2) as published by the\r
29     Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
30     ***NOTE*** The exception to the GPL is included to allow you to distribute\r
31     a combined work that includes FreeRTOS without being obliged to provide the\r
32     source code for proprietary components outside of the FreeRTOS kernel.\r
33     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT\r
34     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
35     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for\r
36     more details. You should have received a copy of the GNU General Public\r
37     License and the FreeRTOS license exception along with FreeRTOS; if not it\r
38     can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
39     by writing to Richard Barry, contact details for whom are available on the\r
40     FreeRTOS WEB site.\r
41 \r
42     1 tab == 4 spaces!\r
43 \r
44     http://www.FreeRTOS.org - Documentation, latest information, license and\r
45     contact details.\r
46 \r
47     http://www.SafeRTOS.com - A version that is certified for use in safety\r
48     critical systems.\r
49 \r
50     http://www.OpenRTOS.com - Commercial support, development, porting,\r
51     licensing and training services.\r
52 */\r
53 \r
54 /* FreeRTOS includes. */\r
55 #include "FreeRTOS.h"\r
56 #include "task.h"\r
57 #include "semphr.h"\r
58 \r
59 /* Hardware driver includes. */\r
60 #include "mss_ethernet_mac.h"\r
61 \r
62 /* uIP includes. */\r
63 #include "net/uip.h"\r
64 \r
65 static void prvEMACEventListener( unsigned long ulEvents );\r
66 \r
67 #define emacPHY_ADDRESS 1\r
68 \r
69 /*-----------------------------------------------------------*/\r
70 \r
71 /* The buffer used by the uIP stack to both receive and send.  This points to\r
72 one of the Ethernet buffers when its actually in use. */\r
73 unsigned char *uip_buf = NULL;\r
74 \r
75 const unsigned char ucMACAddress[] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };\r
76 \r
77 /*-----------------------------------------------------------*/\r
78 \r
79 void vInitEmac( void )\r
80 {\r
81 unsigned long ulMACCfg;\r
82 \r
83         MSS_MAC_init( emacPHY_ADDRESS );\r
84 \r
85         ulMACCfg = MSS_MAC_get_configuration();\r
86 \r
87         ulMACCfg &= ~( MSS_MAC_CFG_STORE_AND_FORWARD | MSS_MAC_CFG_PASS_BAD_FRAMES );\r
88         ulMACCfg |=     ( MSS_MAC_CFG_RECEIVE_ALL | MSS_MAC_CFG_PROMISCUOUS_MODE | MSS_MAC_CFG_FULL_DUPLEX_MODE | MSS_MAC_CFG_TRANSMIT_THRESHOLD_MODE | MSS_MAC_CFG_THRESHOLD_CONTROL_00 );\r
89         MSS_MAC_configure( ulMACCfg );\r
90         MSS_MAC_set_mac_address( ( unsigned char *) ucMACAddress );\r
91         MSS_MAC_set_callback( prvEMACEventListener );\r
92 }\r
93 /*-----------------------------------------------------------*/\r
94 \r
95 void vEMACWrite( void )\r
96 {\r
97         MSS_MAC_tx_packet( uip_buf, uip_len, 0 );\r
98 }\r
99 /*-----------------------------------------------------------*/\r
100 \r
101 unsigned long ulEMACRead( void )\r
102 {\r
103         return MSS_MAC_rx_packet( &uip_buf, ( MSS_RX_BUFF_SIZE + 4 ), 0UL );\r
104 }\r
105 /*-----------------------------------------------------------*/\r
106 \r
107 long lEMACWaitForLink( void )\r
108 {\r
109 long lReturn = pdFAIL;\r
110 unsigned long ulStatus;\r
111 \r
112         ulStatus = MSS_MAC_link_status();\r
113         if( ( ulStatus & ( unsigned long ) MSS_MAC_LINK_STATUS_LINK ) != 0UL )\r
114         {\r
115                 lReturn = pdPASS;\r
116         }\r
117 \r
118         return lReturn;\r
119 }\r
120 /*-----------------------------------------------------------*/\r
121 \r
122 static void prvEMACEventListener( unsigned long ulEvents )\r
123 {\r
124 extern xSemaphoreHandle xEMACSemaphore;\r
125 long lHigherPriorityTaskWoken = pdFALSE;\r
126 \r
127         if( xEMACSemaphore != NULL )\r
128         {\r
129                 if( ( ulEvents & MSS_MAC_EVENT_PACKET_SEND ) != 0UL )\r
130                 {\r
131                         /* Handle send event. */\r
132                 }\r
133 \r
134                 if( ( ulEvents & MSS_MAC_EVENT_PACKET_RECEIVED ) != 0UL )\r
135                 {\r
136                         /* Wake the uIP task as new data has arrived. */\r
137                         xSemaphoreGiveFromISR( xEMACSemaphore, &lHigherPriorityTaskWoken );\r
138                 }\r
139         }\r
140 \r
141         portEND_SWITCHING_ISR( lHigherPriorityTaskWoken );\r
142 }\r
143 \r
144 \r
145 \r