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targets/TARGET_ARM_SSG/TARGET_MPS2/ethernet_api.c@153:9398a535854b, 2016-12-22 (annotated)
- Committer:
- fwndz
- Date:
- Thu Dec 22 05:12:40 2016 +0000
- Revision:
- 153:9398a535854b
- Parent:
- 149:156823d33999
device target maximize
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 80:bdf1132a57cf | 1 | /* mbed Microcontroller Library |
mbed_official | 80:bdf1132a57cf | 2 | * Copyright (c) 2006-2015 ARM Limited |
mbed_official | 80:bdf1132a57cf | 3 | * |
mbed_official | 80:bdf1132a57cf | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 80:bdf1132a57cf | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 80:bdf1132a57cf | 6 | * You may obtain a copy of the License at |
mbed_official | 80:bdf1132a57cf | 7 | * |
mbed_official | 80:bdf1132a57cf | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 80:bdf1132a57cf | 9 | * |
mbed_official | 80:bdf1132a57cf | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 80:bdf1132a57cf | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 80:bdf1132a57cf | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 80:bdf1132a57cf | 13 | * See the License for the specific language governing permissions and |
mbed_official | 80:bdf1132a57cf | 14 | * limitations under the License. |
mbed_official | 80:bdf1132a57cf | 15 | */ |
mbed_official | 80:bdf1132a57cf | 16 | #include <string.h> |
mbed_official | 80:bdf1132a57cf | 17 | |
mbed_official | 80:bdf1132a57cf | 18 | #include "ethernet_api.h" |
mbed_official | 80:bdf1132a57cf | 19 | #include "mps2_ethernet_api.h" |
mbed_official | 80:bdf1132a57cf | 20 | #include "cmsis.h" |
mbed_official | 80:bdf1132a57cf | 21 | #include "mbed_interface.h" |
mbed_official | 80:bdf1132a57cf | 22 | #include "toolchain.h" |
mbed_official | 80:bdf1132a57cf | 23 | #include "mbed_error.h" |
mbed_official | 80:bdf1132a57cf | 24 | #include "ETH_MPS2.h" |
mbed_official | 80:bdf1132a57cf | 25 | #include "wait_api.h" |
mbed_official | 80:bdf1132a57cf | 26 | |
mbed_official | 80:bdf1132a57cf | 27 | #define TX_PKT_SIZE 256 |
mbed_official | 80:bdf1132a57cf | 28 | #define RX_PKT_SIZE 300 |
mbed_official | 80:bdf1132a57cf | 29 | |
mbed_official | 80:bdf1132a57cf | 30 | // Types |
mbed_official | 80:bdf1132a57cf | 31 | #undef FALSE |
mbed_official | 80:bdf1132a57cf | 32 | #undef TRUE |
mbed_official | 80:bdf1132a57cf | 33 | #define FALSE 0 |
mbed_official | 80:bdf1132a57cf | 34 | #define TRUE 1 |
mbed_official | 80:bdf1132a57cf | 35 | |
mbed_official | 80:bdf1132a57cf | 36 | /*---------------------------------------------------------------------------- |
mbed_official | 80:bdf1132a57cf | 37 | Ethernet Device initialize |
mbed_official | 80:bdf1132a57cf | 38 | *----------------------------------------------------------------------------*/ |
mbed_official | 80:bdf1132a57cf | 39 | int ethernet_init() |
mbed_official | 80:bdf1132a57cf | 40 | { |
mbed_official | 80:bdf1132a57cf | 41 | int error; |
mbed_official | 80:bdf1132a57cf | 42 | error = 0; |
mbed_official | 80:bdf1132a57cf | 43 | |
mbed_official | 80:bdf1132a57cf | 44 | if(smsc9220_check_id()) { |
mbed_official | 80:bdf1132a57cf | 45 | error = TRUE; |
mbed_official | 80:bdf1132a57cf | 46 | } |
mbed_official | 80:bdf1132a57cf | 47 | |
mbed_official | 80:bdf1132a57cf | 48 | if(smsc9220_soft_reset()) { |
mbed_official | 80:bdf1132a57cf | 49 | error = TRUE; |
mbed_official | 80:bdf1132a57cf | 50 | } |
mbed_official | 80:bdf1132a57cf | 51 | |
mbed_official | 80:bdf1132a57cf | 52 | smsc9220_set_txfifo(5); |
mbed_official | 80:bdf1132a57cf | 53 | |
mbed_official | 80:bdf1132a57cf | 54 | // Sets automatic flow control thresholds, and backpressure |
mbed_official | 80:bdf1132a57cf | 55 | // threshold to defaults specified. |
mbed_official | 80:bdf1132a57cf | 56 | SMSC9220->AFC_CFG = 0x006E3740; |
mbed_official | 80:bdf1132a57cf | 57 | |
mbed_official | 80:bdf1132a57cf | 58 | if(smsc9220_wait_eeprom()) { |
mbed_official | 80:bdf1132a57cf | 59 | error = TRUE; |
mbed_official | 80:bdf1132a57cf | 60 | } |
mbed_official | 80:bdf1132a57cf | 61 | |
mbed_official | 80:bdf1132a57cf | 62 | // Configure GPIOs as LED outputs. |
mbed_official | 80:bdf1132a57cf | 63 | SMSC9220->GPIO_CFG = 0x70070000; |
mbed_official | 80:bdf1132a57cf | 64 | |
mbed_official | 80:bdf1132a57cf | 65 | smsc9220_init_irqs(); |
mbed_official | 80:bdf1132a57cf | 66 | |
mbed_official | 80:bdf1132a57cf | 67 | /* Configure MAC addresses here if needed. */ |
mbed_official | 80:bdf1132a57cf | 68 | |
mbed_official | 80:bdf1132a57cf | 69 | if(smsc9220_check_phy()) { |
mbed_official | 80:bdf1132a57cf | 70 | error = TRUE; |
mbed_official | 80:bdf1132a57cf | 71 | } |
mbed_official | 80:bdf1132a57cf | 72 | |
mbed_official | 80:bdf1132a57cf | 73 | if(smsc9220_reset_phy()) { |
mbed_official | 80:bdf1132a57cf | 74 | error = TRUE; |
mbed_official | 80:bdf1132a57cf | 75 | return error; |
mbed_official | 80:bdf1132a57cf | 76 | } |
mbed_official | 80:bdf1132a57cf | 77 | |
mbed_official | 80:bdf1132a57cf | 78 | wait_ms(100); |
mbed_official | 80:bdf1132a57cf | 79 | // Checking whether phy reset completed successfully. |
mbed_official | 80:bdf1132a57cf | 80 | { |
mbed_official | 80:bdf1132a57cf | 81 | unsigned short phyreset; |
mbed_official | 80:bdf1132a57cf | 82 | phyreset = 0; |
mbed_official | 80:bdf1132a57cf | 83 | smsc9220_phy_regread(SMSC9220_PHY_BCONTROL, &phyreset); |
mbed_official | 80:bdf1132a57cf | 84 | if(phyreset & (1 << 15)) { |
mbed_official | 80:bdf1132a57cf | 85 | error = TRUE; |
mbed_official | 80:bdf1132a57cf | 86 | return error; |
mbed_official | 80:bdf1132a57cf | 87 | } |
mbed_official | 80:bdf1132a57cf | 88 | } |
mbed_official | 80:bdf1132a57cf | 89 | |
mbed_official | 80:bdf1132a57cf | 90 | /* Advertise capabilities */ |
mbed_official | 80:bdf1132a57cf | 91 | smsc9220_advertise_cap(); |
mbed_official | 80:bdf1132a57cf | 92 | |
mbed_official | 80:bdf1132a57cf | 93 | |
mbed_official | 80:bdf1132a57cf | 94 | /* Begin to establish link */ |
mbed_official | 80:bdf1132a57cf | 95 | smsc9220_establish_link(); // bit [12] of BCONTROL seems self-clearing. |
mbed_official | 80:bdf1132a57cf | 96 | // Although it's not so in the manual. |
mbed_official | 80:bdf1132a57cf | 97 | |
mbed_official | 80:bdf1132a57cf | 98 | /* Interrupt threshold */ |
mbed_official | 80:bdf1132a57cf | 99 | SMSC9220->FIFO_INT = 0xFF000000; |
mbed_official | 80:bdf1132a57cf | 100 | |
mbed_official | 80:bdf1132a57cf | 101 | smsc9220_enable_mac_xmit(); |
mbed_official | 80:bdf1132a57cf | 102 | |
mbed_official | 80:bdf1132a57cf | 103 | smsc9220_enable_xmit(); |
mbed_official | 80:bdf1132a57cf | 104 | |
mbed_official | 80:bdf1132a57cf | 105 | SMSC9220->RX_CFG = 0; |
mbed_official | 80:bdf1132a57cf | 106 | |
mbed_official | 80:bdf1132a57cf | 107 | smsc9220_enable_mac_recv(); |
mbed_official | 80:bdf1132a57cf | 108 | |
mbed_official | 80:bdf1132a57cf | 109 | // Rx status FIFO level irq threshold |
mbed_official | 80:bdf1132a57cf | 110 | SMSC9220->FIFO_INT &= ~(0xFF); // Clear 2 bottom nibbles |
mbed_official | 80:bdf1132a57cf | 111 | |
mbed_official | 80:bdf1132a57cf | 112 | // This sleep is compulsory otherwise txmit/receive will fail. |
mbed_official | 80:bdf1132a57cf | 113 | wait_ms(2000); |
mbed_official | 80:bdf1132a57cf | 114 | return error; |
mbed_official | 80:bdf1132a57cf | 115 | |
mbed_official | 80:bdf1132a57cf | 116 | } |
mbed_official | 80:bdf1132a57cf | 117 | |
mbed_official | 80:bdf1132a57cf | 118 | /*---------------------------------------------------------------------------- |
mbed_official | 80:bdf1132a57cf | 119 | Ethernet Device Uninitialize |
mbed_official | 80:bdf1132a57cf | 120 | *----------------------------------------------------------------------------*/ |
mbed_official | 80:bdf1132a57cf | 121 | void ethernet_free() { |
mbed_official | 80:bdf1132a57cf | 122 | } |
mbed_official | 80:bdf1132a57cf | 123 | |
mbed_official | 80:bdf1132a57cf | 124 | int ethernet_write(const char *data, int size) |
mbed_official | 80:bdf1132a57cf | 125 | { |
mbed_official | 80:bdf1132a57cf | 126 | return 0; |
mbed_official | 80:bdf1132a57cf | 127 | } |
mbed_official | 80:bdf1132a57cf | 128 | |
mbed_official | 80:bdf1132a57cf | 129 | int ethernet_send() |
mbed_official | 80:bdf1132a57cf | 130 | { |
mbed_official | 80:bdf1132a57cf | 131 | return 0; |
mbed_official | 80:bdf1132a57cf | 132 | } |
mbed_official | 80:bdf1132a57cf | 133 | |
mbed_official | 80:bdf1132a57cf | 134 | int ethernet_receive() |
mbed_official | 80:bdf1132a57cf | 135 | { |
mbed_official | 80:bdf1132a57cf | 136 | return 0; |
mbed_official | 80:bdf1132a57cf | 137 | } |
mbed_official | 80:bdf1132a57cf | 138 | |
mbed_official | 80:bdf1132a57cf | 139 | // Read from an recevied ethernet packet. |
mbed_official | 80:bdf1132a57cf | 140 | // After receive returnd a number bigger than 0 it is |
mbed_official | 80:bdf1132a57cf | 141 | // possible to read bytes from this packet. |
mbed_official | 80:bdf1132a57cf | 142 | // Read will write up to size bytes into data. |
mbed_official | 80:bdf1132a57cf | 143 | // It is possible to use read multible times. |
mbed_official | 80:bdf1132a57cf | 144 | // Each time read will start reading after the last read byte before. |
mbed_official | 80:bdf1132a57cf | 145 | |
mbed_official | 80:bdf1132a57cf | 146 | int ethernet_read(char *data, int dlen) |
mbed_official | 80:bdf1132a57cf | 147 | { |
mbed_official | 80:bdf1132a57cf | 148 | return 0; |
mbed_official | 80:bdf1132a57cf | 149 | } |
mbed_official | 80:bdf1132a57cf | 150 | |
mbed_official | 80:bdf1132a57cf | 151 | void ethernet_address(char *mac) { |
mbed_official | 80:bdf1132a57cf | 152 | mbed_mac_address(mac); |
mbed_official | 80:bdf1132a57cf | 153 | } |
mbed_official | 80:bdf1132a57cf | 154 | |
mbed_official | 80:bdf1132a57cf | 155 | int ethernet_link(void) |
mbed_official | 80:bdf1132a57cf | 156 | { |
mbed_official | 80:bdf1132a57cf | 157 | return 0; |
mbed_official | 80:bdf1132a57cf | 158 | } |
mbed_official | 80:bdf1132a57cf | 159 | |
mbed_official | 80:bdf1132a57cf | 160 | void ethernet_set_link(int speed, int duplex) |
mbed_official | 80:bdf1132a57cf | 161 | { |
mbed_official | 80:bdf1132a57cf | 162 | smsc9220_establish_link(); |
mbed_official | 80:bdf1132a57cf | 163 | } |
mbed_official | 80:bdf1132a57cf | 164 |