TDA4VM: 在测试MCU域中2G switch的port时，发送以太网报文不触发中断

??? ?

Part Number: TDA4VM

Hi @Zhang, Semon

现象：按照demo配置了以太网驱动，然后周期发送以太网报文，但是触发了78次发送中断后，不在触发中断，再继续发送报文时，不能回收buffer，导致后续发送失败。

以下是测试代码，周期发送报文。配置文件同demo中的配置一样。

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
uint8 ArpData_VLAN3[32] =
{
  0x00,0x03,0x08,06,0x00, 0x01, 0x08, 0x00, 0x06, 0x04, 0x00, 0x01, 0x00, 0x03, 0x19, 0x00, 0x00, 0x01,
  0xa9, 0xfe, 0xfe, 0xab, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa9, 0xfe, 0xab, 0xa8
};
uint8 MacDestUncastAddress[8] = {0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0x06};
uint8 *TmpBuffPtr;
void Tx_EthFrame_VLAN3(void)
{
    boolean Txstatus=0; 
    uint16 Tmp_Txlenghth1 = 32;
    
    Global_TempUSage[1] = Eth_ProvideTxBuffer(0, 0, &TmpBuffIdx, &TmpBuffPtr, &Tmp_Txlenghth1);
    ArpData[15] = gCnt++;
    if(TmpBuffPtr != NULL_PTR)
    {
        TxBufferFill(TmpBuffPtr, Tmp_Txlenghth1, ArpData_VLAN3);
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

uint8 ArpData_VLAN3[32] =
{
  0x00,0x03,0x08,06,0x00, 0x01, 0x08, 0x00, 0x06, 0x04, 0x00, 0x01, 0x00, 0x03, 0x19, 0x00, 0x00, 0x01,
  0xa9, 0xfe, 0xfe, 0xab, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa9, 0xfe, 0xab, 0xa8
};
uint8 MacDestUncastAddress[8] = {0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0x06};
uint8 *TmpBuffPtr;

void Tx_EthFrame_VLAN3(void)
{
	boolean Txstatus=0; 
	uint16 Tmp_Txlenghth1 = 32;

    
	Global_TempUSage[1] = Eth_ProvideTxBuffer(0, 0, &TmpBuffIdx, &TmpBuffPtr, &Tmp_Txlenghth1);

	ArpData[15] = gCnt++;

    if(TmpBuffPtr != NULL_PTR)
    {
        TxBufferFill(TmpBuffPtr, Tmp_Txlenghth1, ArpData_VLAN3);
        
        EthDemoRetVal[1] = Eth_Transmit(0, TmpBuffIdx, ETH_VLAN_PROTOCOL, Txstatus, Tmp_Txlenghth1, &MacDestUncastAddress[0]);
    }
    else
        EthDemoRetVal[1] = 1;

}

2 年多前