/* mbed Microcontroller Library * Copyright (c) 2006-2015 ARM Limited * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <string.h> #include "mps2_ethernet_api.h" #include "cmsis.h" #include "mbed_interface.h" #include "mbed_toolchain.h" #include "mbed_error.h" #include "ETH_MPS2.h" #include "mbed_wait_api.h" #define TX_PKT_SIZE 256 #define RX_PKT_SIZE 300 // Types #undef FALSE #undef TRUE #define FALSE 0 #define TRUE 1 int smsc9220_check_id(void) { int error; unsigned int id; error = 0; id = smsc9220_read_id(); // If bottom and top halves of the word are the same if(((id >> 16) & 0xFFFF) == (id & 0xFFFF)) { error = 1; return error; } switch(((id >> 16) & 0xFFFF)) { case 0x9220: break; default: error = 1; break; } return error; } int smsc9220_check_macaddress(void) { int error; const unsigned int mac_valid_high = 0xC00A; const unsigned int mac_valid_low = 0x00F70200; unsigned int mac_low; unsigned int mac_high; error = 0; // Read current mac address. smsc9220_mac_regread(SMSC9220_MAC_ADDRH, &mac_high); smsc9220_mac_regread(SMSC9220_MAC_ADDRL, &mac_low); // Writing temporary address: smsc9220_mac_regwrite(SMSC9220_MAC_ADDRH, mac_valid_high); smsc9220_mac_regwrite(SMSC9220_MAC_ADDRL, mac_valid_low); // Verify write was correct: smsc9220_mac_regread(SMSC9220_MAC_ADDRH, &mac_high); smsc9220_mac_regread(SMSC9220_MAC_ADDRL, &mac_low); if(mac_high != mac_valid_high || mac_low != mac_valid_low) { error = TRUE; return error; } return error; } void smsc9220_print_mac_registers() { unsigned int read; int i; i = 0; read = 0; for(i = 1; i <= 0xC; i++) { smsc9220_mac_regread(i, &read); } return; } void smsc9220_print_phy_registers() { unsigned short read; unsigned int i; i = 0; read = 0; for(i = 0; i <= 6; i++) { smsc9220_phy_regread(i, &read); } smsc9220_phy_regread(i = 17, &read); smsc9220_phy_regread(i = 18, &read); smsc9220_phy_regread(i = 27, &read); smsc9220_phy_regread(i = 29, &read); smsc9220_phy_regread(i = 30, &read); smsc9220_phy_regread(i = 31, &read); return; } /*---------------------------------------------------------------------------- Ethernet Device initialize *----------------------------------------------------------------------------*/ int ethernet_transmission(unsigned char * pkt, unsigned int length) { smsc9220_xmit_packet(pkt, length); return 0; } int ethernet_reception(unsigned int *recvbuf, unsigned int *index) { return smsc9220_recv_packet((unsigned int *)recvbuf, index); } int ethernet_mac_address(char *mac) { return smsc9220_check_macaddress(); } unsigned int ethernet_check_ready(void) { return smsc9220_check_ready(); } unsigned int ethernet_intf() { unsigned int txfifo_inf; txfifo_inf = SMSC9220->TX_FIFO_INF; return txfifo_inf; }