eth_status.h

00001 #include "lpc_phy.h"
00002 
00003 /** \brief DP83848 PHY status definitions */
00004 #define DP8_REMOTEFAULT    (1 << 6)   /**< Remote fault */
00005 #define DP8_FULLDUPLEX     (1 << 2)   /**< 1=full duplex */
00006 #define DP8_SPEED10MBPS    (1 << 1)   /**< 1=10MBps speed */
00007 #define DP8_VALID_LINK     (1 << 0)   /**< 1=Link active */
00008 
00009 
00010     // This function returns the current status of connection.
00011 static bool get_link_status()
00012 {
00013     u32_t tmp = lpc_mii_read_data();        
00014     return (tmp & DP8_VALID_LINK) ? true : false;
00015 }
00016 
00017     // This function returns the status of transmission.
00018 static char* get_transmission_status()
00019 {
00020     u32_t tmp = lpc_mii_read_data();
00021     if(tmp & DP8_FULLDUPLEX)
00022     { 
00023         return "FULL DUPLEX"; 
00024     }else
00025     {        
00026         return "HALF DUPLEX";
00027     }
00028 }
00029 
00030     // This function returns the speed of the connection.
00031 static int get_connection_speed()
00032 {
00033     u32_t tmp = lpc_mii_read_data();
00034     return (tmp & DP8_SPEED10MBPS) ? 10 : 100;
00035 }
00036 
00037     // This function returns the current value in the MII data register.
00038 static u32_t mii_read_data()
00039 {
00040     return lpc_mii_read_data();  // 16-bit MRDD - address 0x2008 4030                             
00041 }