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targets/hal/TARGET_ARM_SSG/TARGET_MPS2/SDK/mps2_ethernet_api.c@80:bdf1132a57cf, 2016-03-02 (annotated)

Committer:
mbed_official
Date:
Wed Mar 02 14:30:11 2016 +0000
Revision:
80:bdf1132a57cf
Parent:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Synchronized with git revision de3b14ec9234d586b155fd24badc22775489a3dc



Full URL: https://github.com/mbedmicro/mbed/commit/de3b14ec9234d586b155fd24badc22775489a3dc/



latest changes to add arduino support, plus fixes for IOTSS BEID

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* mbed Microcontroller Library
bogdanm 0:9b334a45a8ff 2 * Copyright (c) 2006-2015 ARM Limited
bogdanm 0:9b334a45a8ff 3 *
bogdanm 0:9b334a45a8ff 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 0:9b334a45a8ff 5 * you may not use this file except in compliance with the License.
bogdanm 0:9b334a45a8ff 6 * You may obtain a copy of the License at
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 0:9b334a45a8ff 9 *
bogdanm 0:9b334a45a8ff 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 0:9b334a45a8ff 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 0:9b334a45a8ff 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 0:9b334a45a8ff 13 * See the License for the specific language governing permissions and
bogdanm 0:9b334a45a8ff 14 * limitations under the License.
bogdanm 0:9b334a45a8ff 15 */
bogdanm 0:9b334a45a8ff 16 #include <string.h>
bogdanm 0:9b334a45a8ff 17
bogdanm 0:9b334a45a8ff 18 #include "mps2_ethernet_api.h"
bogdanm 0:9b334a45a8ff 19 #include "cmsis.h"
bogdanm 0:9b334a45a8ff 20 #include "mbed_interface.h"
bogdanm 0:9b334a45a8ff 21 #include "toolchain.h"
bogdanm 0:9b334a45a8ff 22 #include "mbed_error.h"
bogdanm 0:9b334a45a8ff 23 #include "ETH_MPS2.h"
bogdanm 0:9b334a45a8ff 24 #include "wait_api.h"
bogdanm 0:9b334a45a8ff 25
bogdanm 0:9b334a45a8ff 26 #define TX_PKT_SIZE 256
bogdanm 0:9b334a45a8ff 27 #define RX_PKT_SIZE 300
bogdanm 0:9b334a45a8ff 28
bogdanm 0:9b334a45a8ff 29 // Types
bogdanm 0:9b334a45a8ff 30 #undef FALSE
bogdanm 0:9b334a45a8ff 31 #undef TRUE
bogdanm 0:9b334a45a8ff 32 #define FALSE 0
bogdanm 0:9b334a45a8ff 33 #define TRUE 1
bogdanm 0:9b334a45a8ff 34
bogdanm 0:9b334a45a8ff 35
bogdanm 0:9b334a45a8ff 36 int smsc9220_check_id(void)
bogdanm 0:9b334a45a8ff 37 {
bogdanm 0:9b334a45a8ff 38 int error;
bogdanm 0:9b334a45a8ff 39 unsigned int id;
bogdanm 0:9b334a45a8ff 40 error = 0;
bogdanm 0:9b334a45a8ff 41
bogdanm 0:9b334a45a8ff 42 id = smsc9220_read_id();
bogdanm 0:9b334a45a8ff 43
bogdanm 0:9b334a45a8ff 44 // If bottom and top halves of the word are the same
bogdanm 0:9b334a45a8ff 45 if(((id >> 16) & 0xFFFF) == (id & 0xFFFF)) {
bogdanm 0:9b334a45a8ff 46 error = 1;
bogdanm 0:9b334a45a8ff 47 return error;
bogdanm 0:9b334a45a8ff 48 }
bogdanm 0:9b334a45a8ff 49 switch(((id >> 16) & 0xFFFF)) {
bogdanm 0:9b334a45a8ff 50 case 0x9220:
bogdanm 0:9b334a45a8ff 51 break;
bogdanm 0:9b334a45a8ff 52
bogdanm 0:9b334a45a8ff 53 default:
bogdanm 0:9b334a45a8ff 54 error = 1;
bogdanm 0:9b334a45a8ff 55 break;
bogdanm 0:9b334a45a8ff 56 }
bogdanm 0:9b334a45a8ff 57
bogdanm 0:9b334a45a8ff 58 return error;
bogdanm 0:9b334a45a8ff 59 }
bogdanm 0:9b334a45a8ff 60
bogdanm 0:9b334a45a8ff 61 int smsc9220_check_macaddress(void)
bogdanm 0:9b334a45a8ff 62 {
bogdanm 0:9b334a45a8ff 63 int error;
bogdanm 0:9b334a45a8ff 64 const unsigned int mac_valid_high = 0xC00A;
bogdanm 0:9b334a45a8ff 65 const unsigned int mac_valid_low = 0x00F70200;
bogdanm 0:9b334a45a8ff 66 unsigned int mac_low;
bogdanm 0:9b334a45a8ff 67 unsigned int mac_high;
bogdanm 0:9b334a45a8ff 68
bogdanm 0:9b334a45a8ff 69 error = 0;
bogdanm 0:9b334a45a8ff 70
bogdanm 0:9b334a45a8ff 71 // Read current mac address.
bogdanm 0:9b334a45a8ff 72 smsc9220_mac_regread(SMSC9220_MAC_ADDRH, &mac_high);
bogdanm 0:9b334a45a8ff 73 smsc9220_mac_regread(SMSC9220_MAC_ADDRL, &mac_low);
bogdanm 0:9b334a45a8ff 74
bogdanm 0:9b334a45a8ff 75 // Writing temporary address:
bogdanm 0:9b334a45a8ff 76 smsc9220_mac_regwrite(SMSC9220_MAC_ADDRH, mac_valid_high);
bogdanm 0:9b334a45a8ff 77 smsc9220_mac_regwrite(SMSC9220_MAC_ADDRL, mac_valid_low);
bogdanm 0:9b334a45a8ff 78
bogdanm 0:9b334a45a8ff 79 // Verify write was correct:
bogdanm 0:9b334a45a8ff 80 smsc9220_mac_regread(SMSC9220_MAC_ADDRH, &mac_high);
bogdanm 0:9b334a45a8ff 81 smsc9220_mac_regread(SMSC9220_MAC_ADDRL, &mac_low);
bogdanm 0:9b334a45a8ff 82
bogdanm 0:9b334a45a8ff 83
bogdanm 0:9b334a45a8ff 84 if(mac_high != mac_valid_high || mac_low != mac_valid_low) {
bogdanm 0:9b334a45a8ff 85 error = TRUE;
bogdanm 0:9b334a45a8ff 86 return error;
bogdanm 0:9b334a45a8ff 87 }
bogdanm 0:9b334a45a8ff 88
bogdanm 0:9b334a45a8ff 89 return error;
bogdanm 0:9b334a45a8ff 90 }
bogdanm 0:9b334a45a8ff 91
mbed_official 80:bdf1132a57cf 92 void smsc9220_print_mac_registers()
mbed_official 80:bdf1132a57cf 93 {
mbed_official 80:bdf1132a57cf 94 unsigned int read;
mbed_official 80:bdf1132a57cf 95 int i;
mbed_official 80:bdf1132a57cf 96
mbed_official 80:bdf1132a57cf 97 i = 0;
mbed_official 80:bdf1132a57cf 98 read = 0;
mbed_official 80:bdf1132a57cf 99
mbed_official 80:bdf1132a57cf 100 for(i = 1; i <= 0xC; i++) {
mbed_official 80:bdf1132a57cf 101 smsc9220_mac_regread(i, &read);
mbed_official 80:bdf1132a57cf 102 }
mbed_official 80:bdf1132a57cf 103 return;
mbed_official 80:bdf1132a57cf 104 }
mbed_official 80:bdf1132a57cf 105
mbed_official 80:bdf1132a57cf 106
mbed_official 80:bdf1132a57cf 107 void smsc9220_print_phy_registers()
mbed_official 80:bdf1132a57cf 108 {
mbed_official 80:bdf1132a57cf 109 unsigned short read;
mbed_official 80:bdf1132a57cf 110 unsigned int i;
mbed_official 80:bdf1132a57cf 111
mbed_official 80:bdf1132a57cf 112 i = 0;
mbed_official 80:bdf1132a57cf 113 read = 0;
mbed_official 80:bdf1132a57cf 114 for(i = 0; i <= 6; i++) {
mbed_official 80:bdf1132a57cf 115 smsc9220_phy_regread(i, &read);
mbed_official 80:bdf1132a57cf 116 }
mbed_official 80:bdf1132a57cf 117 smsc9220_phy_regread(i = 17, &read);
mbed_official 80:bdf1132a57cf 118
mbed_official 80:bdf1132a57cf 119 smsc9220_phy_regread(i = 18, &read);
mbed_official 80:bdf1132a57cf 120
mbed_official 80:bdf1132a57cf 121 smsc9220_phy_regread(i = 27, &read);
mbed_official 80:bdf1132a57cf 122
mbed_official 80:bdf1132a57cf 123 smsc9220_phy_regread(i = 29, &read);
mbed_official 80:bdf1132a57cf 124
mbed_official 80:bdf1132a57cf 125 smsc9220_phy_regread(i = 30, &read);
mbed_official 80:bdf1132a57cf 126
mbed_official 80:bdf1132a57cf 127 smsc9220_phy_regread(i = 31, &read);
mbed_official 80:bdf1132a57cf 128
mbed_official 80:bdf1132a57cf 129 return;
mbed_official 80:bdf1132a57cf 130 }
bogdanm 0:9b334a45a8ff 131
bogdanm 0:9b334a45a8ff 132 /*----------------------------------------------------------------------------
bogdanm 0:9b334a45a8ff 133 Ethernet Device initialize
bogdanm 0:9b334a45a8ff 134 *----------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 135
bogdanm 0:9b334a45a8ff 136 int ethernet_transmission(unsigned char * pkt, unsigned int length)
bogdanm 0:9b334a45a8ff 137 {
mbed_official 80:bdf1132a57cf 138 smsc9220_xmit_packet(pkt, length);
mbed_official 80:bdf1132a57cf 139 return 0;
bogdanm 0:9b334a45a8ff 140 }
bogdanm 0:9b334a45a8ff 141
bogdanm 0:9b334a45a8ff 142 int ethernet_reception(unsigned int *recvbuf, unsigned int *index)
bogdanm 0:9b334a45a8ff 143 {
mbed_official 80:bdf1132a57cf 144 return smsc9220_recv_packet((unsigned int *)recvbuf, index);
bogdanm 0:9b334a45a8ff 145 }
bogdanm 0:9b334a45a8ff 146
bogdanm 0:9b334a45a8ff 147 int ethernet_mac_address(char *mac)
bogdanm 0:9b334a45a8ff 148 {
bogdanm 0:9b334a45a8ff 149 return smsc9220_check_macaddress();
bogdanm 0:9b334a45a8ff 150 }
bogdanm 0:9b334a45a8ff 151
bogdanm 0:9b334a45a8ff 152 unsigned int ethernet_check_ready(void)
bogdanm 0:9b334a45a8ff 153 {
mbed_official 80:bdf1132a57cf 154 return smsc9220_check_ready();
bogdanm 0:9b334a45a8ff 155 }
bogdanm 0:9b334a45a8ff 156
bogdanm 0:9b334a45a8ff 157 unsigned int ethernet_intf()
bogdanm 0:9b334a45a8ff 158 {
bogdanm 0:9b334a45a8ff 159 unsigned int txfifo_inf;
bogdanm 0:9b334a45a8ff 160
mbed_official 80:bdf1132a57cf 161 txfifo_inf = SMSC9220->TX_FIFO_INF;
mbed_official 80:bdf1132a57cf 162
mbed_official 80:bdf1132a57cf 163 return txfifo_inf;
bogdanm 0:9b334a45a8ff 164
bogdanm 0:9b334a45a8ff 165 }
bogdanm 0:9b334a45a8ff 166