Amit Gandhi / sensen_copy_2

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targets/hal/TARGET_ARM_SSG/TARGET_MPS2/SDK/mps2_ethernet_api.c@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
80:bdf1132a57cf
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

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
bogdanm 0:9b334a45a8ff 92
bogdanm 0:9b334a45a8ff 93 /*----------------------------------------------------------------------------
bogdanm 0:9b334a45a8ff 94 Ethernet Device initialize
bogdanm 0:9b334a45a8ff 95 *----------------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 96
bogdanm 0:9b334a45a8ff 97 int ethernet_transmission(unsigned char * pkt, unsigned int length)
bogdanm 0:9b334a45a8ff 98 {
bogdanm 0:9b334a45a8ff 99 smsc9220_xmit_packet(pkt, length);
bogdanm 0:9b334a45a8ff 100 return 0;
bogdanm 0:9b334a45a8ff 101 }
bogdanm 0:9b334a45a8ff 102
bogdanm 0:9b334a45a8ff 103 int ethernet_reception(unsigned int *recvbuf, unsigned int *index)
bogdanm 0:9b334a45a8ff 104 {
bogdanm 0:9b334a45a8ff 105 return smsc9220_recv_packet((unsigned int *)recvbuf, index);
bogdanm 0:9b334a45a8ff 106 }
bogdanm 0:9b334a45a8ff 107
bogdanm 0:9b334a45a8ff 108 int ethernet_mac_address(char *mac)
bogdanm 0:9b334a45a8ff 109 {
bogdanm 0:9b334a45a8ff 110 return smsc9220_check_macaddress();
bogdanm 0:9b334a45a8ff 111 }
bogdanm 0:9b334a45a8ff 112
bogdanm 0:9b334a45a8ff 113 unsigned int ethernet_check_ready(void)
bogdanm 0:9b334a45a8ff 114 {
bogdanm 0:9b334a45a8ff 115 return smsc9220_check_ready();
bogdanm 0:9b334a45a8ff 116 }
bogdanm 0:9b334a45a8ff 117
bogdanm 0:9b334a45a8ff 118 unsigned int ethernet_intf()
bogdanm 0:9b334a45a8ff 119 {
bogdanm 0:9b334a45a8ff 120 unsigned int txfifo_inf;
bogdanm 0:9b334a45a8ff 121
bogdanm 0:9b334a45a8ff 122 txfifo_inf = SMSC9220->TX_FIFO_INF;
bogdanm 0:9b334a45a8ff 123
bogdanm 0:9b334a45a8ff 124 return txfifo_inf;
bogdanm 0:9b334a45a8ff 125
bogdanm 0:9b334a45a8ff 126 }
bogdanm 0:9b334a45a8ff 127