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(); } }
Diff: w5100.cpp
- Revision:
- 1:22b9052d864d
- Parent:
- 0:bdeec5f86894
--- a/w5100.cpp Fri Mar 22 11:51:24 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,272 +0,0 @@ -/* - * Copyright (c) 2010 by Cristian Maglie <c.maglie@bug.st> - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of either the GNU General Public License version 2 - * or the GNU Lesser General Public License version 2.1, both as - * published by the Free Software Foundation. - */ - -#include <stdio.h> -#include <string.h> -#include "mbed.h" -#include "w5100.h" -#ifndef MBED -#include <avr/interrupt.h> -#endif //MBED - -// W5100 controller instance -W5100Class W5100; - -#define TX_RX_MAX_BUF_SIZE 2048 -#define TX_BUF 0x1100 -#define RX_BUF (TX_BUF + TX_RX_MAX_BUF_SIZE) - -#ifdef W5200 -#define TXBUF_BASE 0x8000 -#define RXBUF_BASE 0xC000 -#else -#define TXBUF_BASE 0x4000 -#define RXBUF_BASE 0x6000 -#endif - -#ifdef MBED - -SPI* pSPI = NULL; -DigitalOut* pCS = NULL; - -inline void delay(int n) { wait_ms(n); } -inline static void initSS(){ pCS->write(1); } -inline static void setSS() { pCS->write(0); } -inline static void resetSS() { pCS->write(1); } - -#endif //MBED - -void W5100Class::init(void) -{ - if (!pSPI) { - pSPI = new SPI(p11, p12, p13); // mosi, miso, sclk - } - if (!pCS) { - pCS = new DigitalOut(p14); - } - initSS(); - writeMR(1<<RST); - -#ifdef W5200 - for (int i=0; i<MAX_SOCK_NUM; i++) { - write((0x4000 + i * 0x100 + 0x001F), 2); - write((0x4000 + i * 0x100 + 0x001E), 2); - } -#else - writeTMSR(0x55); - writeRMSR(0x55); -#endif - - for (int i=0; i<MAX_SOCK_NUM; i++) { - SBASE[i] = TXBUF_BASE + SSIZE * i; - RBASE[i] = RXBUF_BASE + RSIZE * i; - } -} - -uint16_t W5100Class::getTXFreeSize(SOCKET s) -{ - uint16_t val=0, val1=0; - do { - val1 = readSnTX_FSR(s); - if (val1 != 0) - val = readSnTX_FSR(s); - } - while (val != val1); - return val; -} - -uint16_t W5100Class::getRXReceivedSize(SOCKET s) -{ - uint16_t val=0,val1=0; - do { - val1 = readSnRX_RSR(s); - if (val1 != 0) - val = readSnRX_RSR(s); - } - while (val != val1); - return val; -} - - -void W5100Class::send_data_processing(SOCKET s, const uint8_t *data, uint16_t len) -{ - // This is same as having no offset in a call to send_data_processing_offset - send_data_processing_offset(s, 0, data, len); -} - -void W5100Class::send_data_processing_offset(SOCKET s, uint16_t data_offset, const uint8_t *data, uint16_t len) -{ - uint16_t ptr = readSnTX_WR(s); - ptr += data_offset; - uint16_t offset = ptr & SMASK; - uint16_t dstAddr = offset + SBASE[s]; - - if (offset + len > SSIZE) - { - // Wrap around circular buffer - uint16_t size = SSIZE - offset; - write(dstAddr, data, size); - write(SBASE[s], data + size, len - size); - } - else { - write(dstAddr, data, len); - } - - ptr += len; - writeSnTX_WR(s, ptr); -} - - -void W5100Class::recv_data_processing(SOCKET s, uint8_t *data, uint16_t len, uint8_t peek) -{ - uint16_t ptr; - ptr = readSnRX_RD(s); - read_data(s, (uint8_t *)ptr, data, len); - if (!peek) - { - ptr += len; - writeSnRX_RD(s, ptr); - } -} - -void W5100Class::read_data(SOCKET s, volatile uint8_t *src, volatile uint8_t *dst, uint16_t len) -{ - uint16_t size; - uint16_t src_mask; - uint16_t src_ptr; - -#ifdef MBED - src_mask = (int)src & RMASK; -#else - src_mask = (uint16_t)src & RMASK; -#endif //MBED - src_ptr = RBASE[s] + src_mask; - - if( (src_mask + len) > RSIZE ) - { - size = RSIZE - src_mask; - read(src_ptr, (uint8_t *)dst, size); - dst += size; - read(RBASE[s], (uint8_t *) dst, len - size); - } - else - read(src_ptr, (uint8_t *) dst, len); -} - - -uint8_t W5100Class::write(uint16_t _addr, uint8_t _data) -{ - setSS(); - -#ifdef W5200 - pSPI->write(_addr >> 8); - pSPI->write(_addr & 0xFF); - pSPI->write(0x80); - pSPI->write(0x01); -#else - pSPI->write(0xF0); - pSPI->write(_addr >> 8); - pSPI->write(_addr & 0xFF); -#endif - pSPI->write(_data); - resetSS(); - return 1; -} - -uint16_t W5100Class::write(uint16_t _addr, const uint8_t *_buf, uint16_t _len) -{ - -#ifdef W5200 - setSS(); - pSPI->write(_addr >> 8); - pSPI->write(_addr & 0xFF); - pSPI->write((0x80 | ((_len & 0x7F00) >> 8))); - pSPI->write(_len & 0x00FF); - - for (uint16_t i=0; i<_len; i++) - { - pSPI->write(_buf[i]); - - } - resetSS(); -#else - - for (uint16_t i=0; i<_len; i++) - { - setSS(); - pSPI->write(0xF0); - pSPI->write(_addr >> 8); - pSPI->write(_addr & 0xFF); - _addr++; - pSPI->write(_buf[i]); - resetSS(); - } -#endif - - return _len; -} - -uint8_t W5100Class::read(uint16_t _addr) -{ - setSS(); -#ifdef W5200 - pSPI->write(_addr >> 8); - pSPI->write(_addr & 0xFF); - pSPI->write(0x00); - pSPI->write(0x01); -#else - pSPI->write(0x0F); - pSPI->write(_addr >> 8); - pSPI->write(_addr & 0xFF); -#endif - - uint8_t _data = pSPI->write(0); - resetSS(); - return _data; -} - -uint16_t W5100Class::read(uint16_t _addr, uint8_t *_buf, uint16_t _len) -{ -#ifdef W5200 - setSS(); - pSPI->write(_addr >> 8); - pSPI->write(_addr & 0xFF); - pSPI->write((0x00 | ((_len & 0x7F00) >> 8))); - pSPI->write(_len & 0x00FF); - - for (uint16_t i=0; i<_len; i++) - { - _buf[i] = pSPI->write(0); - - } - resetSS(); - -#else - - for (uint16_t i=0; i<_len; i++) - { - setSS(); - pSPI->write(0x0F); - pSPI->write(_addr >> 8); - pSPI->write(_addr & 0xFF); - _addr++; - _buf[i] = pSPI->write(0); - resetSS(); - } -#endif - return _len; -} - -void W5100Class::execCmdSn(SOCKET s, SockCMD _cmd) { - // Send command to socket - writeSnCR(s, _cmd); - // Wait for command to complete - while (readSnCR(s)) - ; -}