WIZ820io(W5200) network interface、EthernetNetIf compatible.
example
#include "WIZ820ioNetIf.h" #include "HTTPClient.h" #include "HTTPServer.h" #if defined(TARGET_KL25Z) WIZ820ioNetIf eth(PTD2,PTD3,PTD1,PTD0,PTD5); #endif HTTPClient http; HTTPStream stream; void callback(HTTPResult r){ printf("callback %d %s\n", r, HTTPClient::ResultStr(r)); } int main() { int err = eth.setup(); if (err < 0) { printf("setup error %d\n", err); exit(-1); } HTTPServer svr; svr.addHandler<SimpleHandler>("/"); svr.bind(80); const char* uri = "http://va009039-mbed.appspot.com/kl25z/"; http.get(uri, &stream, callback); uint8_t buf[256]; int total = 0; stream.readNext(buf, sizeof(buf)); while(1) { if(stream.readable()) { int len = stream.readLen(); total += len; printf("%d %d\n", total, len); stream.readNext(buf, sizeof(buf)); } Net::poll(); } }
w5200.cpp@1:22b9052d864d, 2013-03-24 (annotated)
- Committer:
- va009039
- Date:
- Sun Mar 24 11:25:31 2013 +0000
- Revision:
- 1:22b9052d864d
WIZ820io(W8200) ethernet interface, EthernetNetIf compatible.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 1:22b9052d864d | 1 | /* |
va009039 | 1:22b9052d864d | 2 | * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st> |
va009039 | 1:22b9052d864d | 3 | * |
va009039 | 1:22b9052d864d | 4 | * This file is free software; you can redistribute it and/or modify |
va009039 | 1:22b9052d864d | 5 | * it under the terms of either the GNU General Public License version 2 |
va009039 | 1:22b9052d864d | 6 | * or the GNU Lesser General Public License version 2.1, both as |
va009039 | 1:22b9052d864d | 7 | * published by the Free Software Foundation. |
va009039 | 1:22b9052d864d | 8 | */ |
va009039 | 1:22b9052d864d | 9 | |
va009039 | 1:22b9052d864d | 10 | #include <stdio.h> |
va009039 | 1:22b9052d864d | 11 | #include <string.h> |
va009039 | 1:22b9052d864d | 12 | #include "mbed.h" |
va009039 | 1:22b9052d864d | 13 | #include "w5200.h" |
va009039 | 1:22b9052d864d | 14 | |
va009039 | 1:22b9052d864d | 15 | SPI* pSPI; |
va009039 | 1:22b9052d864d | 16 | DigitalOut* pCS; |
va009039 | 1:22b9052d864d | 17 | void initSS(){ pCS->write(1); } |
va009039 | 1:22b9052d864d | 18 | void setSS() { pCS->write(0); } |
va009039 | 1:22b9052d864d | 19 | void resetSS() { pCS->write(1); } |
va009039 | 1:22b9052d864d | 20 | |
va009039 | 1:22b9052d864d | 21 | // W5200 controller instance |
va009039 | 1:22b9052d864d | 22 | W5200Class W5200; |
va009039 | 1:22b9052d864d | 23 | |
va009039 | 1:22b9052d864d | 24 | #define TX_RX_MAX_BUF_SIZE 2048 |
va009039 | 1:22b9052d864d | 25 | #define TX_BUF 0x1100 |
va009039 | 1:22b9052d864d | 26 | #define RX_BUF (TX_BUF + TX_RX_MAX_BUF_SIZE) |
va009039 | 1:22b9052d864d | 27 | |
va009039 | 1:22b9052d864d | 28 | #define TXBUF_BASE 0x8000 |
va009039 | 1:22b9052d864d | 29 | #define RXBUF_BASE 0xC000 |
va009039 | 1:22b9052d864d | 30 | |
va009039 | 1:22b9052d864d | 31 | #if defined(TARGET_KL25Z) |
va009039 | 1:22b9052d864d | 32 | #define RESET_PIN PTD5 |
va009039 | 1:22b9052d864d | 33 | #define CS_PIN PTD0 |
va009039 | 1:22b9052d864d | 34 | #define MOSI_PIN PTD2 |
va009039 | 1:22b9052d864d | 35 | #define MISO_PIN PTD3 |
va009039 | 1:22b9052d864d | 36 | #define SCLK_PIN PTD1 |
va009039 | 1:22b9052d864d | 37 | #endif |
va009039 | 1:22b9052d864d | 38 | |
va009039 | 1:22b9052d864d | 39 | void W5200Class::init(void) |
va009039 | 1:22b9052d864d | 40 | { |
va009039 | 1:22b9052d864d | 41 | if (!pSPI) { |
va009039 | 1:22b9052d864d | 42 | pSPI = new SPI(MOSI_PIN, MISO_PIN, SCLK_PIN); // mosi, miso, sclk |
va009039 | 1:22b9052d864d | 43 | } |
va009039 | 1:22b9052d864d | 44 | if (!pCS) { |
va009039 | 1:22b9052d864d | 45 | pCS = new DigitalOut(CS_PIN); |
va009039 | 1:22b9052d864d | 46 | } |
va009039 | 1:22b9052d864d | 47 | initSS(); |
va009039 | 1:22b9052d864d | 48 | writeMR(1<<RST); |
va009039 | 1:22b9052d864d | 49 | |
va009039 | 1:22b9052d864d | 50 | for (int i=0; i<MAX_SOCK_NUM; i++) { |
va009039 | 1:22b9052d864d | 51 | write((0x4000 + i * 0x100 + 0x001F), 2); |
va009039 | 1:22b9052d864d | 52 | write((0x4000 + i * 0x100 + 0x001E), 2); |
va009039 | 1:22b9052d864d | 53 | } |
va009039 | 1:22b9052d864d | 54 | |
va009039 | 1:22b9052d864d | 55 | for (int i=0; i<MAX_SOCK_NUM; i++) { |
va009039 | 1:22b9052d864d | 56 | SBASE[i] = TXBUF_BASE + SSIZE * i; |
va009039 | 1:22b9052d864d | 57 | RBASE[i] = RXBUF_BASE + RSIZE * i; |
va009039 | 1:22b9052d864d | 58 | } |
va009039 | 1:22b9052d864d | 59 | } |
va009039 | 1:22b9052d864d | 60 | |
va009039 | 1:22b9052d864d | 61 | uint16_t W5200Class::getTXFreeSize(SOCKET s) |
va009039 | 1:22b9052d864d | 62 | { |
va009039 | 1:22b9052d864d | 63 | uint16_t val=0, val1=0; |
va009039 | 1:22b9052d864d | 64 | do { |
va009039 | 1:22b9052d864d | 65 | val1 = readSnTX_FSR(s); |
va009039 | 1:22b9052d864d | 66 | if (val1 != 0) |
va009039 | 1:22b9052d864d | 67 | val = readSnTX_FSR(s); |
va009039 | 1:22b9052d864d | 68 | } |
va009039 | 1:22b9052d864d | 69 | while (val != val1); |
va009039 | 1:22b9052d864d | 70 | return val; |
va009039 | 1:22b9052d864d | 71 | } |
va009039 | 1:22b9052d864d | 72 | |
va009039 | 1:22b9052d864d | 73 | uint16_t W5200Class::getRXReceivedSize(SOCKET s) |
va009039 | 1:22b9052d864d | 74 | { |
va009039 | 1:22b9052d864d | 75 | uint16_t val=0,val1=0; |
va009039 | 1:22b9052d864d | 76 | do { |
va009039 | 1:22b9052d864d | 77 | val1 = readSnRX_RSR(s); |
va009039 | 1:22b9052d864d | 78 | if (val1 != 0) |
va009039 | 1:22b9052d864d | 79 | val = readSnRX_RSR(s); |
va009039 | 1:22b9052d864d | 80 | } |
va009039 | 1:22b9052d864d | 81 | while (val != val1); |
va009039 | 1:22b9052d864d | 82 | return val; |
va009039 | 1:22b9052d864d | 83 | } |
va009039 | 1:22b9052d864d | 84 | |
va009039 | 1:22b9052d864d | 85 | |
va009039 | 1:22b9052d864d | 86 | void W5200Class::send_data_processing(SOCKET s, const uint8_t *data, uint16_t len) |
va009039 | 1:22b9052d864d | 87 | { |
va009039 | 1:22b9052d864d | 88 | // This is same as having no offset in a call to send_data_processing_offset |
va009039 | 1:22b9052d864d | 89 | send_data_processing_offset(s, 0, data, len); |
va009039 | 1:22b9052d864d | 90 | } |
va009039 | 1:22b9052d864d | 91 | |
va009039 | 1:22b9052d864d | 92 | void W5200Class::send_data_processing_offset(SOCKET s, uint16_t data_offset, const uint8_t *data, uint16_t len) |
va009039 | 1:22b9052d864d | 93 | { |
va009039 | 1:22b9052d864d | 94 | uint16_t ptr = readSnTX_WR(s); |
va009039 | 1:22b9052d864d | 95 | ptr += data_offset; |
va009039 | 1:22b9052d864d | 96 | uint16_t offset = ptr & SMASK; |
va009039 | 1:22b9052d864d | 97 | uint16_t dstAddr = offset + SBASE[s]; |
va009039 | 1:22b9052d864d | 98 | |
va009039 | 1:22b9052d864d | 99 | if (offset + len > SSIZE) |
va009039 | 1:22b9052d864d | 100 | { |
va009039 | 1:22b9052d864d | 101 | // Wrap around circular buffer |
va009039 | 1:22b9052d864d | 102 | uint16_t size = SSIZE - offset; |
va009039 | 1:22b9052d864d | 103 | write(dstAddr, data, size); |
va009039 | 1:22b9052d864d | 104 | write(SBASE[s], data + size, len - size); |
va009039 | 1:22b9052d864d | 105 | } |
va009039 | 1:22b9052d864d | 106 | else { |
va009039 | 1:22b9052d864d | 107 | write(dstAddr, data, len); |
va009039 | 1:22b9052d864d | 108 | } |
va009039 | 1:22b9052d864d | 109 | |
va009039 | 1:22b9052d864d | 110 | ptr += len; |
va009039 | 1:22b9052d864d | 111 | writeSnTX_WR(s, ptr); |
va009039 | 1:22b9052d864d | 112 | } |
va009039 | 1:22b9052d864d | 113 | |
va009039 | 1:22b9052d864d | 114 | |
va009039 | 1:22b9052d864d | 115 | void W5200Class::recv_data_processing(SOCKET s, uint8_t *data, uint16_t len, uint8_t peek) |
va009039 | 1:22b9052d864d | 116 | { |
va009039 | 1:22b9052d864d | 117 | uint16_t ptr; |
va009039 | 1:22b9052d864d | 118 | ptr = readSnRX_RD(s); |
va009039 | 1:22b9052d864d | 119 | read_data(s, (uint8_t *)ptr, data, len); |
va009039 | 1:22b9052d864d | 120 | if (!peek) |
va009039 | 1:22b9052d864d | 121 | { |
va009039 | 1:22b9052d864d | 122 | ptr += len; |
va009039 | 1:22b9052d864d | 123 | writeSnRX_RD(s, ptr); |
va009039 | 1:22b9052d864d | 124 | } |
va009039 | 1:22b9052d864d | 125 | } |
va009039 | 1:22b9052d864d | 126 | |
va009039 | 1:22b9052d864d | 127 | void W5200Class::read_data(SOCKET s, volatile uint8_t *src, volatile uint8_t *dst, uint16_t len) |
va009039 | 1:22b9052d864d | 128 | { |
va009039 | 1:22b9052d864d | 129 | uint16_t size; |
va009039 | 1:22b9052d864d | 130 | uint16_t src_mask; |
va009039 | 1:22b9052d864d | 131 | uint16_t src_ptr; |
va009039 | 1:22b9052d864d | 132 | |
va009039 | 1:22b9052d864d | 133 | //src_mask = (uint16_t)src & RMASK; |
va009039 | 1:22b9052d864d | 134 | src_mask = (int)src & RMASK; |
va009039 | 1:22b9052d864d | 135 | src_ptr = RBASE[s] + src_mask; |
va009039 | 1:22b9052d864d | 136 | |
va009039 | 1:22b9052d864d | 137 | if( (src_mask + len) > RSIZE ) |
va009039 | 1:22b9052d864d | 138 | { |
va009039 | 1:22b9052d864d | 139 | size = RSIZE - src_mask; |
va009039 | 1:22b9052d864d | 140 | read(src_ptr, (uint8_t *)dst, size); |
va009039 | 1:22b9052d864d | 141 | dst += size; |
va009039 | 1:22b9052d864d | 142 | read(RBASE[s], (uint8_t *) dst, len - size); |
va009039 | 1:22b9052d864d | 143 | } |
va009039 | 1:22b9052d864d | 144 | else |
va009039 | 1:22b9052d864d | 145 | read(src_ptr, (uint8_t *) dst, len); |
va009039 | 1:22b9052d864d | 146 | } |
va009039 | 1:22b9052d864d | 147 | |
va009039 | 1:22b9052d864d | 148 | |
va009039 | 1:22b9052d864d | 149 | uint8_t W5200Class::write(uint16_t _addr, uint8_t _data) |
va009039 | 1:22b9052d864d | 150 | { |
va009039 | 1:22b9052d864d | 151 | setSS(); |
va009039 | 1:22b9052d864d | 152 | |
va009039 | 1:22b9052d864d | 153 | pSPI->write(_addr >> 8); |
va009039 | 1:22b9052d864d | 154 | pSPI->write(_addr & 0xFF); |
va009039 | 1:22b9052d864d | 155 | pSPI->write(0x80); |
va009039 | 1:22b9052d864d | 156 | pSPI->write(0x01); |
va009039 | 1:22b9052d864d | 157 | pSPI->write(_data); |
va009039 | 1:22b9052d864d | 158 | resetSS(); |
va009039 | 1:22b9052d864d | 159 | return 1; |
va009039 | 1:22b9052d864d | 160 | } |
va009039 | 1:22b9052d864d | 161 | |
va009039 | 1:22b9052d864d | 162 | uint16_t W5200Class::write(uint16_t _addr, const uint8_t *_buf, uint16_t _len) |
va009039 | 1:22b9052d864d | 163 | { |
va009039 | 1:22b9052d864d | 164 | setSS(); |
va009039 | 1:22b9052d864d | 165 | pSPI->write(_addr >> 8); |
va009039 | 1:22b9052d864d | 166 | pSPI->write(_addr & 0xFF); |
va009039 | 1:22b9052d864d | 167 | pSPI->write((0x80 | ((_len & 0x7F00) >> 8))); |
va009039 | 1:22b9052d864d | 168 | pSPI->write(_len & 0x00FF); |
va009039 | 1:22b9052d864d | 169 | |
va009039 | 1:22b9052d864d | 170 | for (uint16_t i=0; i<_len; i++) |
va009039 | 1:22b9052d864d | 171 | { |
va009039 | 1:22b9052d864d | 172 | pSPI->write(_buf[i]); |
va009039 | 1:22b9052d864d | 173 | } |
va009039 | 1:22b9052d864d | 174 | resetSS(); |
va009039 | 1:22b9052d864d | 175 | |
va009039 | 1:22b9052d864d | 176 | return _len; |
va009039 | 1:22b9052d864d | 177 | } |
va009039 | 1:22b9052d864d | 178 | |
va009039 | 1:22b9052d864d | 179 | uint8_t W5200Class::read(uint16_t _addr) |
va009039 | 1:22b9052d864d | 180 | { |
va009039 | 1:22b9052d864d | 181 | setSS(); |
va009039 | 1:22b9052d864d | 182 | pSPI->write(_addr >> 8); |
va009039 | 1:22b9052d864d | 183 | pSPI->write(_addr & 0xFF); |
va009039 | 1:22b9052d864d | 184 | pSPI->write(0x00); |
va009039 | 1:22b9052d864d | 185 | pSPI->write(0x01); |
va009039 | 1:22b9052d864d | 186 | uint8_t _data = pSPI->write(0); |
va009039 | 1:22b9052d864d | 187 | resetSS(); |
va009039 | 1:22b9052d864d | 188 | return _data; |
va009039 | 1:22b9052d864d | 189 | } |
va009039 | 1:22b9052d864d | 190 | |
va009039 | 1:22b9052d864d | 191 | uint16_t W5200Class::read(uint16_t _addr, uint8_t *_buf, uint16_t _len) |
va009039 | 1:22b9052d864d | 192 | { |
va009039 | 1:22b9052d864d | 193 | setSS(); |
va009039 | 1:22b9052d864d | 194 | pSPI->write(_addr >> 8); |
va009039 | 1:22b9052d864d | 195 | pSPI->write(_addr & 0xFF); |
va009039 | 1:22b9052d864d | 196 | pSPI->write((0x00 | ((_len & 0x7F00) >> 8))); |
va009039 | 1:22b9052d864d | 197 | pSPI->write(_len & 0x00FF); |
va009039 | 1:22b9052d864d | 198 | |
va009039 | 1:22b9052d864d | 199 | for (uint16_t i=0; i<_len; i++) |
va009039 | 1:22b9052d864d | 200 | { |
va009039 | 1:22b9052d864d | 201 | _buf[i] = pSPI->write(0); |
va009039 | 1:22b9052d864d | 202 | } |
va009039 | 1:22b9052d864d | 203 | resetSS(); |
va009039 | 1:22b9052d864d | 204 | return _len; |
va009039 | 1:22b9052d864d | 205 | } |
va009039 | 1:22b9052d864d | 206 | |
va009039 | 1:22b9052d864d | 207 | void W5200Class::execCmdSn(SOCKET s, SockCMD _cmd) { |
va009039 | 1:22b9052d864d | 208 | // Send command to socket |
va009039 | 1:22b9052d864d | 209 | writeSnCR(s, _cmd); |
va009039 | 1:22b9052d864d | 210 | // Wait for command to complete |
va009039 | 1:22b9052d864d | 211 | while (readSnCR(s)) |
va009039 | 1:22b9052d864d | 212 | ; |
va009039 | 1:22b9052d864d | 213 | } |