Diff: EMAC/uIP/lpc17xx_port/main.c

Revision:

0:bf7b9fba3924

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EMAC/uIP/lpc17xx_port/main.c	Sun Mar 20 05:38:56 2011 +0000
@@ -0,0 +1,262 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "debug_frmwrk.h"
+#include "clock-arch.h"
+#include "timer.h"
+#include "uip-conf.h"
+#include "uipopt.h"
+#include "uip_arp.h"
+#include "uip.h"
+#include "emac.h"
+#include "lpc_types.h"
+#include "lpc17xx_libcfg.h"
+#include "lpc17xx_pinsel.h"
+#include "lpc17xx_gpio.h"
+
+
+#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
+
+#define LED_PIN 	(1<<6)
+#define LED2_MASK	((1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6))
+#define LED1_MASK	((1<<28) | (1<<29) | (1<<31))
+
+
+/* For debugging... */
+#include <stdio.h>
+#define DB	_DBG((uint8_t *)_db)
+char _db[64];
+
+void LED_Init (void)
+{
+	PINSEL_CFG_Type PinCfg;
+
+	uint8_t temp;
+
+	PinCfg.Funcnum = 0;
+	PinCfg.OpenDrain = 0;
+	PinCfg.Pinmode = 0;
+	PinCfg.Portnum = 2;
+	for (temp = 2; temp <= 6; temp++){
+		PinCfg.Pinnum = temp;
+		PINSEL_ConfigPin(&PinCfg);
+	}
+
+	PinCfg.Funcnum = 0;
+	PinCfg.OpenDrain = 0;
+	PinCfg.Pinmode = 0;
+	PinCfg.Portnum = 1;
+	PinCfg.Pinnum = 28;
+	PINSEL_ConfigPin(&PinCfg);
+	PinCfg.Pinnum = 29;
+	PINSEL_ConfigPin(&PinCfg);
+	PinCfg.Pinnum = 31;
+	PINSEL_ConfigPin(&PinCfg);
+
+	// Set direction to output
+	GPIO_SetDir(2, LED2_MASK, 1);
+	GPIO_SetDir(1, LED1_MASK, 1);
+
+	/* Turn off all LEDs */
+	GPIO_ClearValue(2, LED2_MASK);
+	GPIO_ClearValue(1, LED1_MASK);
+}
+
+/*************************************************************************
+ * Function Name: uip_log
+ * Parameters: none
+ *
+ * Return: none
+ *
+ * Description: Events logging
+ *
+ *************************************************************************/
+void uip_log (char *m)
+{
+	_DBG("uIP log message: ");
+	_DBG(m);
+	_DBG_("");
+}
+
+/*************************************************************************
+ * Function Name: main
+ * Parameters: none
+ *
+ * Return: none
+ *
+ * Description: main
+ *
+ *************************************************************************/
+int c_entry(void)
+{
+	UNS_32 i, delay;
+	uip_ipaddr_t ipaddr;
+	struct timer periodic_timer, arp_timer;
+
+	/* Initialize debug via UART0
+	 * – 115200bps
+	 * – 8 data bit
+	 * – No parity
+	 * – 1 stop bit
+	 * – No flow control
+	 */
+	debug_frmwrk_init();
+
+	_DBG_("Hello NXP Semiconductors");
+	_DBG_("uIP porting on LPC17xx");
+
+
+	// Initialize LED for system tick timer
+	LED_Init();
+
+	_DBG_("Init Clock");
+	// Sys timer init 1/100 sec tick
+	clock_init();
+
+	timer_set(&periodic_timer, CLOCK_SECOND / 2); /*0.5s */
+	timer_set(&arp_timer, CLOCK_SECOND * 10);	/*10s */
+
+	_DBG_("Init EMAC");
+	// Initialize the ethernet device driver
+	while(!tapdev_init()){
+		// Delay for a while then continue initializing EMAC module
+		_DBG_("Error during initializing EMAC, restart after a while");
+		for (delay = 0x100000; delay; delay--);
+	}
+
+
+#if 1
+
+	_DBG_("Init uIP");
+	// Initialize the uIP TCP/IP stack.
+	uip_init();
+
+	// init MAC address
+	uip_ethaddr.addr[0] = EMAC_ADDR0;
+	uip_ethaddr.addr[1] = EMAC_ADDR1;
+	uip_ethaddr.addr[2] = EMAC_ADDR2;
+	uip_ethaddr.addr[3] = EMAC_ADDR3;
+	uip_ethaddr.addr[4] = EMAC_ADDR4;
+	uip_ethaddr.addr[5] = EMAC_ADDR5;
+	uip_setethaddr(uip_ethaddr);
+
+
+	uip_ipaddr(ipaddr, 192,168,0,100);
+	sprintf(_db, "Set own IP address: %d.%d.%d.%d \n\r", \
+			((uint8_t *)ipaddr)[0], ((uint8_t *)ipaddr)[1], \
+			((uint8_t *)ipaddr)[2], ((uint8_t *)ipaddr)[3]);
+	DB;
+	uip_sethostaddr(ipaddr);
+
+	uip_ipaddr(ipaddr, 192,168,0,1);
+	sprintf(_db, "Set Router IP address: %d.%d.%d.%d \n\r", \
+			((uint8_t *)ipaddr)[0], ((uint8_t *)ipaddr)[1], \
+			((uint8_t *)ipaddr)[2], ((uint8_t *)ipaddr)[3]);
+	DB;
+	uip_setdraddr(ipaddr);
+
+	uip_ipaddr(ipaddr, 255,255,255,0);
+	sprintf(_db, "Set Subnet mask: %d.%d.%d.%d \n\r", \
+			((uint8_t *)ipaddr)[0], ((uint8_t *)ipaddr)[1], \
+			((uint8_t *)ipaddr)[2], ((uint8_t *)ipaddr)[3]);
+	DB;
+	uip_setnetmask(ipaddr);
+
+	// Initialize the HTTP server ----------------------------
+	_DBG_("Init HTTP");
+	httpd_init();
+	_DBG_("Init complete!");
+
+  while(1)
+  {
+    uip_len = tapdev_read(uip_buf);
+    if(uip_len > 0)
+    {
+      if(BUF->type == htons(UIP_ETHTYPE_IP))
+      {
+	      uip_arp_ipin();
+	      uip_input();
+	      /* If the above function invocation resulted in data that
+	         should be sent out on the network, the global variable
+	         uip_len is set to a value > 0. */
+
+	      if(uip_len > 0)
+        {
+	        uip_arp_out();
+	        tapdev_send(uip_buf,uip_len);
+	      }
+      }
+      else if(BUF->type == htons(UIP_ETHTYPE_ARP))
+      {
+        uip_arp_arpin();
+	      /* If the above function invocation resulted in data that
+	         should be sent out on the network, the global variable
+	         uip_len is set to a value > 0. */
+	      if(uip_len > 0)
+        {
+	        tapdev_send(uip_buf,uip_len);
+	      }
+      }
+    }
+    else if(timer_expired(&periodic_timer))
+    {
+      timer_reset(&periodic_timer);
+      for(i = 0; i < UIP_CONNS; i++)
+      {
+      	uip_periodic(i);
+        /* If the above function invocation resulted in data that
+           should be sent out on the network, the global variable
+           uip_len is set to a value > 0. */
+        if(uip_len > 0)
+        {
+          uip_arp_out();
+          tapdev_send(uip_buf,uip_len);
+        }
+      }
+#if UIP_UDP
+      for(i = 0; i < UIP_UDP_CONNS; i++) {
+        uip_udp_periodic(i);
+        /* If the above function invocation resulted in data that
+           should be sent out on the network, the global variable
+           uip_len is set to a value > 0. */
+        if(uip_len > 0) {
+          uip_arp_out();
+          tapdev_send();
+        }
+      }
+#endif /* UIP_UDP */
+      /* Call the ARP timer function every 10 seconds. */
+      if(timer_expired(&arp_timer))
+      {
+        timer_reset(&arp_timer);
+        uip_arp_timer();
+      }
+    }
+  }
+#endif
+
+  while (1);
+}
+
+int main(void)
+{
+	return c_entry();
+}
+
+#ifdef  DEBUG
+/*******************************************************************************
+* @brief		Reports the name of the source file and the source line number
+* 				where the CHECK_PARAM error has occurred.
+* @param[in]	file Pointer to the source file name
+* @param[in]    line assert_param error line source number
+* @return		None
+*******************************************************************************/
+void check_failed(uint8_t *file, uint32_t line)
+{
+	/* User can add his own implementation to report the file name and line number,
+	 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+
+	/* Infinite loop */
+	while(1);
+}
+#endif