Diff: eth_status.h

Revision:

0:149b394928f3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eth_status.h	Wed Jul 20 20:24:15 2016 +0000
@@ -0,0 +1,54 @@
+#include "lpc_phy.h"
+
+/** \brief DP83848 PHY status definitions */
+#define DP8_REMOTEFAULT    (1 << 6)   /**< Remote fault */
+#define DP8_FULLDUPLEX     (1 << 2)   /**< 1=full duplex */
+#define DP8_SPEED10MBPS    (1 << 1)   /**< 1=10MBps speed */
+#define DP8_VALID_LINK     (1 << 0)   /**< 1=Link active */
+
+
+    // This function returns the current status of connection.
+static bool get_link_status()
+{
+    u32_t tmp = lpc_mii_read_data();        
+    return (tmp & DP8_VALID_LINK) ? true : false;
+}
+
+    // This function returns the status of transmission.
+static char* get_transmission_status()
+{
+    u32_t tmp = lpc_mii_read_data();
+    if(tmp & DP8_FULLDUPLEX)
+    { 
+        return "FULL DUPLEX"; 
+    }else
+    {        
+        return "HALF DUPLEX";
+    }
+}
+
+    // This function returns the speed of the connection.
+static int get_connection_speed()
+{
+    u32_t tmp = lpc_mii_read_data();
+    return (tmp & DP8_SPEED10MBPS) ? 10 : 100;
+}
+
+    // This function returns the current value in the MII data register.
+static u32_t mii_read_data()
+{
+    return lpc_mii_read_data();  // 16-bit MRDD - address 0x2008 4030 
+    // 16661 = 100000100010101 (full duplex - 100Mbps)   // 16659 = 100000100010011 (half duplex - 10Mbps)                           
+}
+
+
+/*
+// Starts a read operation via the MII link (non-blocking) 
+u32_t lpc_mii_read_data(void)
+{
+    u32_t data = LPC_EMAC->MRDD;
+    LPC_EMAC->MCMD = 0;
+
+    return data;
+}
+*/