2 FreeRTOS V8.2.0 - Copyright (C) 2015 Real Time Engineers Ltd.
\r
5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
\r
7 This file is part of the FreeRTOS distribution.
\r
9 FreeRTOS is free software; you can redistribute it and/or modify it under
\r
10 the terms of the GNU General Public License (version 2) as published by the
\r
11 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
\r
13 ***************************************************************************
\r
14 >>! NOTE: The modification to the GPL is included to allow you to !<<
\r
15 >>! distribute a combined work that includes FreeRTOS without being !<<
\r
16 >>! obliged to provide the source code for proprietary components !<<
\r
17 >>! outside of the FreeRTOS kernel. !<<
\r
18 ***************************************************************************
\r
20 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
\r
21 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
\r
22 FOR A PARTICULAR PURPOSE. Full license text is available on the following
\r
23 link: http://www.freertos.org/a00114.html
\r
25 ***************************************************************************
\r
27 * FreeRTOS provides completely free yet professionally developed, *
\r
28 * robust, strictly quality controlled, supported, and cross *
\r
29 * platform software that is more than just the market leader, it *
\r
30 * is the industry's de facto standard. *
\r
32 * Help yourself get started quickly while simultaneously helping *
\r
33 * to support the FreeRTOS project by purchasing a FreeRTOS *
\r
34 * tutorial book, reference manual, or both: *
\r
35 * http://www.FreeRTOS.org/Documentation *
\r
37 ***************************************************************************
\r
39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
\r
40 the FAQ page "My application does not run, what could be wrong?". Have you
\r
41 defined configASSERT()?
\r
43 http://www.FreeRTOS.org/support - In return for receiving this top quality
\r
44 embedded software for free we request you assist our global community by
\r
45 participating in the support forum.
\r
47 http://www.FreeRTOS.org/training - Investing in training allows your team to
\r
48 be as productive as possible as early as possible. Now you can receive
\r
49 FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
\r
50 Ltd, and the world's leading authority on the world's leading RTOS.
\r
52 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
\r
53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
\r
54 compatible FAT file system, and our tiny thread aware UDP/IP stack.
\r
56 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
\r
57 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
\r
59 http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
\r
60 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
\r
61 licenses offer ticketed support, indemnification and commercial middleware.
\r
63 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
\r
64 engineered and independently SIL3 certified version for use in safety and
\r
65 mission critical applications that require provable dependability.
\r
69 /* Standard includes. */
\r
72 /* Scheduler includes. */
\r
73 #include "FreeRTOS.h"
\r
77 #include "lcd_message.h"
\r
80 #include "hw_types.h"
\r
83 #include "uip_arp.h"
\r
86 #include "clock-arch.h"
\r
87 #include "hw_ethernet.h"
\r
88 #include "ethernet.h"
\r
89 #include "hw_memmap.h"
\r
90 #include "lmi_flash.h"
\r
93 /* Demo includes. */
\r
95 #include "partest.h"
\r
97 /*-----------------------------------------------------------*/
\r
99 /* IP address configuration. */
\r
100 #define uipIP_ADDR0 192
\r
101 #define uipIP_ADDR1 168
\r
102 #define uipIP_ADDR2 0
\r
103 #define uipIP_ADDR3 201
\r
105 /* Netmask configuration. */
\r
106 #define uipNETMASK_0 255
\r
107 #define uipNETMASK_1 255
\r
108 #define uipNETMASK_2 255
\r
109 #define uipNETMASK_3 0
\r
111 /* How long to wait before attempting to connect the MAC again. */
\r
112 #define uipINIT_WAIT 100
\r
114 /* Shortcut to the header within the Rx buffer. */
\r
115 #define xHeader ((struct uip_eth_hdr *) &uip_buf[ 0 ])
\r
117 /* Standard constant. */
\r
118 #define uipTOTAL_FRAME_HEADER_SIZE 54
\r
120 /*-----------------------------------------------------------*/
\r
123 * Send the uIP buffer to the MAC.
\r
125 static void prvENET_Send(void);
\r
128 * Setup the MAC address in the MAC itself, and in the uIP stack.
\r
130 static void prvSetMACAddress( void );
\r
133 * Port functions required by the uIP stack.
\r
135 void clock_init( void );
\r
136 clock_time_t clock_time( void );
\r
138 /*-----------------------------------------------------------*/
\r
140 /* The semaphore used by the ISR to wake the uIP task. */
\r
141 extern SemaphoreHandle_t xEMACSemaphore;
\r
143 /*-----------------------------------------------------------*/
\r
145 void clock_init(void)
\r
147 /* This is done when the scheduler starts. */
\r
149 /*-----------------------------------------------------------*/
\r
151 clock_time_t clock_time( void )
\r
153 return xTaskGetTickCount();
\r
157 void vuIP_Task( void *pvParameters )
\r
160 uip_ipaddr_t xIPAddr;
\r
161 struct timer periodic_timer, arp_timer;
\r
162 extern void ( vEMAC_ISR )( void );
\r
164 /* Enable/Reset the Ethernet Controller */
\r
165 SysCtlPeripheralEnable( SYSCTL_PERIPH_ETH );
\r
166 SysCtlPeripheralReset( SYSCTL_PERIPH_ETH );
\r
168 /* Create the semaphore used by the ISR to wake this task. */
\r
169 vSemaphoreCreateBinary( xEMACSemaphore );
\r
171 /* Initialise the uIP stack. */
\r
172 timer_set( &periodic_timer, configTICK_RATE_HZ / 2 );
\r
173 timer_set( &arp_timer, configTICK_RATE_HZ * 10 );
\r
175 uip_ipaddr( xIPAddr, uipIP_ADDR0, uipIP_ADDR1, uipIP_ADDR2, uipIP_ADDR3 );
\r
176 uip_sethostaddr( xIPAddr );
\r
177 uip_ipaddr( xIPAddr, uipNETMASK_0, uipNETMASK_1, uipNETMASK_2, uipNETMASK_3 );
\r
178 uip_setnetmask( xIPAddr );
\r
181 while( vInitEMAC() != pdPASS )
\r
183 vTaskDelay( uipINIT_WAIT );
\r
185 prvSetMACAddress();
\r
190 /* Is there received data ready to be processed? */
\r
191 uip_len = uiGetEMACRxData( uip_buf );
\r
195 /* Standard uIP loop taken from the uIP manual. */
\r
197 if( xHeader->type == htons( UIP_ETHTYPE_IP ) )
\r
202 /* If the above function invocation resulted in data that
\r
203 should be sent out on the network, the global variable
\r
204 uip_len is set to a value > 0. */
\r
211 else if( xHeader->type == htons( UIP_ETHTYPE_ARP ) )
\r
215 /* If the above function invocation resulted in data that
\r
216 should be sent out on the network, the global variable
\r
217 uip_len is set to a value > 0. */
\r
226 if( timer_expired( &periodic_timer ) )
\r
228 timer_reset( &periodic_timer );
\r
229 for( i = 0; i < UIP_CONNS; i++ )
\r
233 /* If the above function invocation resulted in data that
\r
234 should be sent out on the network, the global variable
\r
235 uip_len is set to a value > 0. */
\r
243 /* Call the ARP timer function every 10 seconds. */
\r
244 if( timer_expired( &arp_timer ) )
\r
246 timer_reset( &arp_timer );
\r
252 /* We did not receive a packet, and there was no periodic
\r
253 processing to perform. Block for a fixed period. If a packet
\r
254 is received during this period we will be woken by the ISR
\r
255 giving us the Semaphore. */
\r
256 xSemaphoreTake( xEMACSemaphore, configTICK_RATE_HZ / 2 );
\r
261 /*-----------------------------------------------------------*/
\r
263 static void prvENET_Send(void)
\r
266 vIncrementTxLength( uip_len );
\r
267 vSendBufferToMAC();
\r
269 vIncrementTxLength( uip_len );
\r
270 vSendBufferToMAC();
\r
272 /*-----------------------------------------------------------*/
\r
274 static void prvSetMACAddress( void )
\r
276 unsigned long ulUser0, ulUser1;
\r
277 unsigned char pucMACArray[8];
\r
278 struct uip_eth_addr xAddr;
\r
280 /* Get the device MAC address from flash */
\r
281 FlashUserGet(&ulUser0, &ulUser1);
\r
283 /* Convert the MAC address from flash into sequence of bytes. */
\r
284 pucMACArray[0] = ((ulUser0 >> 0) & 0xff);
\r
285 pucMACArray[1] = ((ulUser0 >> 8) & 0xff);
\r
286 pucMACArray[2] = ((ulUser0 >> 16) & 0xff);
\r
287 pucMACArray[3] = ((ulUser1 >> 0) & 0xff);
\r
288 pucMACArray[4] = ((ulUser1 >> 8) & 0xff);
\r
289 pucMACArray[5] = ((ulUser1 >> 16) & 0xff);
\r
291 /* Program the MAC address. */
\r
292 EthernetMACAddrSet(ETH_BASE, pucMACArray);
\r
294 xAddr.addr[ 0 ] = pucMACArray[0];
\r
295 xAddr.addr[ 1 ] = pucMACArray[1];
\r
296 xAddr.addr[ 2 ] = pucMACArray[2];
\r
297 xAddr.addr[ 3 ] = pucMACArray[3];
\r
298 xAddr.addr[ 4 ] = pucMACArray[4];
\r
299 xAddr.addr[ 5 ] = pucMACArray[5];
\r
300 uip_setethaddr( xAddr );
\r
302 /*-----------------------------------------------------------*/
\r
304 void vApplicationProcessFormInput( char *pcInputString, portBASE_TYPE xInputLength )
\r
307 static char cMessageForDisplay[ 32 ];
\r
308 extern QueueHandle_t xOLEDQueue;
\r
309 xOLEDMessage xOLEDMessage;
\r
311 /* Process the form input sent by the IO page of the served HTML. */
\r
313 c = strstr( pcInputString, "?" );
\r
317 /* Turn LED's on or off in accordance with the check box status. */
\r
318 if( strstr( c, "LED0=1" ) != NULL )
\r
320 vParTestSetLED( 0, 1 );
\r
324 vParTestSetLED( 0, 0 );
\r
327 /* Find the start of the text to be displayed on the LCD. */
\r
328 pcText = strstr( c, "LCD=" );
\r
329 pcText += strlen( "LCD=" );
\r
331 /* Terminate the file name for further processing within uIP. */
\r
334 /* Terminate the LCD string. */
\r
335 c = strstr( pcText, " " );
\r
341 /* Add required spaces. */
\r
342 while( ( c = strstr( pcText, "+" ) ) != NULL )
\r
347 /* Write the message to the LCD. */
\r
348 strcpy( cMessageForDisplay, pcText );
\r
349 xOLEDMessage.pcMessage = cMessageForDisplay;
\r
350 xQueueSend( xOLEDQueue, &xOLEDMessage, portMAX_DELAY );
\r