MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_ARM_SSG/TARGET_IOTSS/ethernet_api.c@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2006-2015 ARM Limited
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sahilmgandhi 18:6a4db94011d3 5 * you may not use this file except in compliance with the License.
sahilmgandhi 18:6a4db94011d3 6 * You may obtain a copy of the License at
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * http://www.apache.org/licenses/LICENSE-2.0
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * Unless required by applicable law or agreed to in writing, software
sahilmgandhi 18:6a4db94011d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sahilmgandhi 18:6a4db94011d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sahilmgandhi 18:6a4db94011d3 13 * See the License for the specific language governing permissions and
sahilmgandhi 18:6a4db94011d3 14 * limitations under the License.
sahilmgandhi 18:6a4db94011d3 15 */
sahilmgandhi 18:6a4db94011d3 16 #include <string.h>
sahilmgandhi 18:6a4db94011d3 17
sahilmgandhi 18:6a4db94011d3 18 #include "ethernet_api.h"
sahilmgandhi 18:6a4db94011d3 19 #include "mps2_ethernet_api.h"
sahilmgandhi 18:6a4db94011d3 20 #include "cmsis.h"
sahilmgandhi 18:6a4db94011d3 21 #include "mbed_interface.h"
sahilmgandhi 18:6a4db94011d3 22 #include "mbed_toolchain.h"
sahilmgandhi 18:6a4db94011d3 23 #include "mbed_error.h"
sahilmgandhi 18:6a4db94011d3 24 #include "ETH_MPS2.h"
sahilmgandhi 18:6a4db94011d3 25 #include "mbed_wait_api.h"
sahilmgandhi 18:6a4db94011d3 26
sahilmgandhi 18:6a4db94011d3 27 #define TX_PKT_SIZE 256
sahilmgandhi 18:6a4db94011d3 28 #define RX_PKT_SIZE 300
sahilmgandhi 18:6a4db94011d3 29
sahilmgandhi 18:6a4db94011d3 30 // Types
sahilmgandhi 18:6a4db94011d3 31 #undef FALSE
sahilmgandhi 18:6a4db94011d3 32 #undef TRUE
sahilmgandhi 18:6a4db94011d3 33 #define FALSE 0
sahilmgandhi 18:6a4db94011d3 34 #define TRUE 1
sahilmgandhi 18:6a4db94011d3 35
sahilmgandhi 18:6a4db94011d3 36 /*----------------------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 37 Ethernet Device initialize
sahilmgandhi 18:6a4db94011d3 38 *----------------------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 39 int ethernet_init()
sahilmgandhi 18:6a4db94011d3 40 {
sahilmgandhi 18:6a4db94011d3 41 int error;
sahilmgandhi 18:6a4db94011d3 42 error = 0;
sahilmgandhi 18:6a4db94011d3 43
sahilmgandhi 18:6a4db94011d3 44 if(smsc9220_check_id()) {
sahilmgandhi 18:6a4db94011d3 45 error = TRUE;
sahilmgandhi 18:6a4db94011d3 46 }
sahilmgandhi 18:6a4db94011d3 47
sahilmgandhi 18:6a4db94011d3 48 if(smsc9220_soft_reset()) {
sahilmgandhi 18:6a4db94011d3 49 error = TRUE;
sahilmgandhi 18:6a4db94011d3 50 }
sahilmgandhi 18:6a4db94011d3 51
sahilmgandhi 18:6a4db94011d3 52 smsc9220_set_txfifo(5);
sahilmgandhi 18:6a4db94011d3 53
sahilmgandhi 18:6a4db94011d3 54 // Sets automatic flow control thresholds, and backpressure
sahilmgandhi 18:6a4db94011d3 55 // threshold to defaults specified.
sahilmgandhi 18:6a4db94011d3 56 SMSC9220->AFC_CFG = 0x006E3740;
sahilmgandhi 18:6a4db94011d3 57
sahilmgandhi 18:6a4db94011d3 58 if(smsc9220_wait_eeprom()) {
sahilmgandhi 18:6a4db94011d3 59 error = TRUE;
sahilmgandhi 18:6a4db94011d3 60 }
sahilmgandhi 18:6a4db94011d3 61
sahilmgandhi 18:6a4db94011d3 62 // Configure GPIOs as LED outputs.
sahilmgandhi 18:6a4db94011d3 63 SMSC9220->GPIO_CFG = 0x70070000;
sahilmgandhi 18:6a4db94011d3 64
sahilmgandhi 18:6a4db94011d3 65 smsc9220_init_irqs();
sahilmgandhi 18:6a4db94011d3 66
sahilmgandhi 18:6a4db94011d3 67 /* Configure MAC addresses here if needed. */
sahilmgandhi 18:6a4db94011d3 68
sahilmgandhi 18:6a4db94011d3 69 if(smsc9220_check_phy()) {
sahilmgandhi 18:6a4db94011d3 70 error = TRUE;
sahilmgandhi 18:6a4db94011d3 71 }
sahilmgandhi 18:6a4db94011d3 72
sahilmgandhi 18:6a4db94011d3 73 if(smsc9220_reset_phy()) {
sahilmgandhi 18:6a4db94011d3 74 error = TRUE;
sahilmgandhi 18:6a4db94011d3 75 return error;
sahilmgandhi 18:6a4db94011d3 76 }
sahilmgandhi 18:6a4db94011d3 77
sahilmgandhi 18:6a4db94011d3 78 wait_ms(100);
sahilmgandhi 18:6a4db94011d3 79 // Checking whether phy reset completed successfully.
sahilmgandhi 18:6a4db94011d3 80 {
sahilmgandhi 18:6a4db94011d3 81 unsigned short phyreset;
sahilmgandhi 18:6a4db94011d3 82 phyreset = 0;
sahilmgandhi 18:6a4db94011d3 83 smsc9220_phy_regread(SMSC9220_PHY_BCONTROL, &phyreset);
sahilmgandhi 18:6a4db94011d3 84 if(phyreset & (1 << 15)) {
sahilmgandhi 18:6a4db94011d3 85 error = TRUE;
sahilmgandhi 18:6a4db94011d3 86 return error;
sahilmgandhi 18:6a4db94011d3 87 }
sahilmgandhi 18:6a4db94011d3 88 }
sahilmgandhi 18:6a4db94011d3 89
sahilmgandhi 18:6a4db94011d3 90 /* Advertise capabilities */
sahilmgandhi 18:6a4db94011d3 91 smsc9220_advertise_cap();
sahilmgandhi 18:6a4db94011d3 92
sahilmgandhi 18:6a4db94011d3 93
sahilmgandhi 18:6a4db94011d3 94 /* Begin to establish link */
sahilmgandhi 18:6a4db94011d3 95 smsc9220_establish_link(); // bit [12] of BCONTROL seems self-clearing.
sahilmgandhi 18:6a4db94011d3 96 // Although it's not so in the manual.
sahilmgandhi 18:6a4db94011d3 97
sahilmgandhi 18:6a4db94011d3 98 /* Interrupt threshold */
sahilmgandhi 18:6a4db94011d3 99 SMSC9220->FIFO_INT = 0xFF000000;
sahilmgandhi 18:6a4db94011d3 100
sahilmgandhi 18:6a4db94011d3 101 smsc9220_enable_mac_xmit();
sahilmgandhi 18:6a4db94011d3 102
sahilmgandhi 18:6a4db94011d3 103 smsc9220_enable_xmit();
sahilmgandhi 18:6a4db94011d3 104
sahilmgandhi 18:6a4db94011d3 105 SMSC9220->RX_CFG = 0;
sahilmgandhi 18:6a4db94011d3 106
sahilmgandhi 18:6a4db94011d3 107 smsc9220_enable_mac_recv();
sahilmgandhi 18:6a4db94011d3 108
sahilmgandhi 18:6a4db94011d3 109 // Rx status FIFO level irq threshold
sahilmgandhi 18:6a4db94011d3 110 SMSC9220->FIFO_INT &= ~(0xFF); // Clear 2 bottom nibbles
sahilmgandhi 18:6a4db94011d3 111
sahilmgandhi 18:6a4db94011d3 112 // This sleep is compulsory otherwise txmit/receive will fail.
sahilmgandhi 18:6a4db94011d3 113 wait_ms(2000);
sahilmgandhi 18:6a4db94011d3 114 return error;
sahilmgandhi 18:6a4db94011d3 115
sahilmgandhi 18:6a4db94011d3 116 }
sahilmgandhi 18:6a4db94011d3 117
sahilmgandhi 18:6a4db94011d3 118 /*----------------------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 119 Ethernet Device Uninitialize
sahilmgandhi 18:6a4db94011d3 120 *----------------------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 121 void ethernet_free() {
sahilmgandhi 18:6a4db94011d3 122 }
sahilmgandhi 18:6a4db94011d3 123
sahilmgandhi 18:6a4db94011d3 124 int ethernet_write(const char *data, int size)
sahilmgandhi 18:6a4db94011d3 125 {
sahilmgandhi 18:6a4db94011d3 126 return 0;
sahilmgandhi 18:6a4db94011d3 127 }
sahilmgandhi 18:6a4db94011d3 128
sahilmgandhi 18:6a4db94011d3 129 int ethernet_send()
sahilmgandhi 18:6a4db94011d3 130 {
sahilmgandhi 18:6a4db94011d3 131 return 0;
sahilmgandhi 18:6a4db94011d3 132 }
sahilmgandhi 18:6a4db94011d3 133
sahilmgandhi 18:6a4db94011d3 134 int ethernet_receive()
sahilmgandhi 18:6a4db94011d3 135 {
sahilmgandhi 18:6a4db94011d3 136 return 0;
sahilmgandhi 18:6a4db94011d3 137 }
sahilmgandhi 18:6a4db94011d3 138
sahilmgandhi 18:6a4db94011d3 139 // Read from an recevied ethernet packet.
sahilmgandhi 18:6a4db94011d3 140 // After receive returnd a number bigger than 0 it is
sahilmgandhi 18:6a4db94011d3 141 // possible to read bytes from this packet.
sahilmgandhi 18:6a4db94011d3 142 // Read will write up to size bytes into data.
sahilmgandhi 18:6a4db94011d3 143 // It is possible to use read multible times.
sahilmgandhi 18:6a4db94011d3 144 // Each time read will start reading after the last read byte before.
sahilmgandhi 18:6a4db94011d3 145
sahilmgandhi 18:6a4db94011d3 146 int ethernet_read(char *data, int dlen)
sahilmgandhi 18:6a4db94011d3 147 {
sahilmgandhi 18:6a4db94011d3 148 return 0;
sahilmgandhi 18:6a4db94011d3 149 }
sahilmgandhi 18:6a4db94011d3 150
sahilmgandhi 18:6a4db94011d3 151 void ethernet_address(char *mac) {
sahilmgandhi 18:6a4db94011d3 152 mbed_mac_address(mac);
sahilmgandhi 18:6a4db94011d3 153 }
sahilmgandhi 18:6a4db94011d3 154
sahilmgandhi 18:6a4db94011d3 155 int ethernet_link(void)
sahilmgandhi 18:6a4db94011d3 156 {
sahilmgandhi 18:6a4db94011d3 157 return 0;
sahilmgandhi 18:6a4db94011d3 158 }
sahilmgandhi 18:6a4db94011d3 159
sahilmgandhi 18:6a4db94011d3 160 void ethernet_set_link(int speed, int duplex)
sahilmgandhi 18:6a4db94011d3 161 {
sahilmgandhi 18:6a4db94011d3 162 smsc9220_establish_link();
sahilmgandhi 18:6a4db94011d3 163 }
sahilmgandhi 18:6a4db94011d3 164