V2.4

2026-08-10 10:47:09 +08:00
parent 804daf39a2
commit dfe5ceea43
150 changed files with 20271 additions and 58 deletions
@@ -535,13 +535,13 @@ void ETH_Configuration( uint8_t *macAddr )
 uint32_t ETH_TxPktChainMode(uint16_t len, uint32_t *pBuff )
 {
     /* Check if the descriptor is owned by the ETHERNET DMA (when set) or CPU (when reset) */
-    if((DMATxDescToSet->Status & ETH_DMATxDesc_OWN))
+    if( DMATxDescToSet->Status & ETH_DMATxDesc_OWN )
    {
-        if((R8_ETH_ECON1 & RB_ETH_ECON1_TXRTS) == 0)       
-        {            
-            DMATxDescToSet->Status &= ~ETH_DMATxDesc_OWN;        
-        } 
-        else return ETH_ERROR;
+        if((R8_ETH_ECON1 & RB_ETH_ECON1_TXRTS) == 0)
+        {
+            DMATxDescToSet->Status &= ~ETH_DMATxDesc_OWN;
+        }
+        else return ETH_ERROR;        /* Return ERROR: OWN bit set */
    }
    DMATxDescToSet->Status |= ETH_DMATxDesc_OWN;
    R16_ETH_ETXLN = len;
@@ -48,7 +48,7 @@
 }while(0)

 /* definition for Ethernet frame */
-#define ETH_MAX_PACKET_SIZE    1536    /* ETH_HEADER + VLAN_TAG + MAX_ETH_PAYLOAD + ETH_CRC */
+#define ETH_MAX_PACKET_SIZE    1524    /* ETH_HEADER + VLAN_TAG + MAX_ETH_PAYLOAD + ETH_CRC */
 #define ETH_HEADER               14    /* 6 byte Dest addr, 6 byte Src addr, 2 byte length/type */
 #define ETH_CRC                   4    /* Ethernet CRC */
 #define ETH_EXTRA                 2    /* Extra bytes in some cases */