C++ (Cpp) MAC_RD_CMD Exemples

Exemple #1

Fichier : smsc911x.c Projet : bengras/umon

//--------------------------------------------------------------------------
//  smsc911x_mac_read()
//
//  Reads a register mapped through the MAC_CSR register
//--------------------------------------------------------------------------
static ulong smsc911x_mac_read(int reg)
{
    while(MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
        continue;
    }

    MAC_CSR_CMD = MAC_RD_CMD(reg);

    while(MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
        continue;
    }

    return MAC_CSR_DATA;
}

Exemple #2

Fichier : smsc9118.c Projet : BGCX261/zjutuboot-svn-to-git

static ulong
GetMacReg(int Reg)
{
	  ulong RegVal = 0xffffffff;

	  if (*MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
			LAN9118_WARN("GetMacReg: previous command not complete\n");
			goto done;
	  }

	  *MAC_CSR_CMD = MAC_RD_CMD(Reg);
	  DELAY(1);

	  if (MacBusy(MAC_TIMEOUT) == TRUE) {
			LAN9118_WARN("GetMacReg: timeout waiting for response "
				  "from MAC\n");
			goto done;
	  }

	  RegVal = *MAC_CSR_DATA;
done:
	  return (RegVal);
}