📄 html.java
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/* * Copyright (c) Martin Schoeberl, martin@jopdesign.com * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Martin Schoeberl * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */package ejip;import util.Dbg;import com.jopdesign.sys.Const;import com.jopdesign.sys.Native;/*** a very SIMPLE HTML server class.*/public class Html { public static String prot; public static String end; public static int[] val; public static int[] tmp; private static int hits; private static int[] outVal; private static int[] valArr; public static int[] msg; private static final int MAX_MSG = 80; private static String text;/*** allocate buffers.*/ public static void init() { val = new int[5]; tmp = new int[1500]; msg = new int[MAX_MSG]; outVal = new int[1]; for (int i=0; i<MAX_MSG; ++i) msg[i] = ' '; // hits = 17800; // 10.3.2003 auch jetzt bei ACEX // hits = 18320; // 14.3.2003 // hits = 18750; // 20.3.2003 // hits = 19720; // 31.3.2003 // hits = 19990; // 10.4.2003 // hits = 22030; // 15.5.2003 // hits = 27472; // 22.7.2003 // hits = 30104; // 23.9.2003 // hits = 30390; // 1.10.2003 // hits = 30477; // 6.10.2003 // hits = 32914; // 13.2.2004 // hits = 37038; // 27.4.2004 // hits = 38175; // 13.7.2004 // hits = 38800; // 17.8.2004 hits = 39291; // 9.9.2004 hits = 0; outVal[0] = 0; Native.wr(outVal[0], Const.IO_OUT); text =/* "<html><head></head><body>"+ "<h2>Hej Rasmus and DDM class</h2>"+ "<h3>Greetings from Vienna.</h3>"+ "<h3>Have fun,</h3>"+ "<h3>Martin</h3>"+ "</body></html>";*//* "<html><head></head><body><h2>BG 263</h2>"+ "Some Communication Statistics<p>"+ "sent packets #0<br>"+ "sent bytes #1<br>"+ "rcvd packets #2<br>"+ "rcvd bytes #3<br>"+ "wrong packets #4<br>"+ "</body></html>";*/ "<html><head></head><body>"+// "<h2>TAL TeleAlarm</h2>"+ "<h2><a href=\"http://www.jopdesign.com/\">JOP</a> Web Server on Altera Cyclone EP1C6</h2>"+ "Analog 1: !a1 mA<br>"+ "Analog 2: !a2 mA<br>"+ "Vbat: !a3 V<p>"+ "input 1: !i1<br>"+ "input 2: !i2<br>"+ "input 3: !i3<br>"+ "input 4: !i4<br>"+ "input 5: !i5<br>"+ "input 6: !i6<br>"+ "input 7: !i7<br>"+ "input 8: !i8<br>"+ "input 9: !i9<br>"+ "input 10: !i:<br>"+ "<form method=\"get\">"+ "output 1: !o1 <input type=\"checkbox\" name=\"o1\">set 1<br>"+ "output 2: !o2 <input type=\"checkbox\" name=\"o2\">set 2<br>"+ "output 3: !o3 <input type=\"checkbox\" name=\"o3\">set 3<br>"+ "output 4: !o4 <input type=\"checkbox\" name=\"o4\">set 4"+ "<p><input type=\"submit\" value=\"Set outputs\">"+ "</form>"+ "<p><sub>!ht</sub>"+ "</body></html>"; prot = "HTTP/1.0 200 OK\r\n\r\n"; end = "\r\n\r\n"; }/*** set value array*/ public static void setValArray(int[] vals) { valArr = vals; } public static void setOutValArray(int[] out) { outVal = out; } private static int append(int[] buf, int pos, String str) { int ret, len; len = str.length(); for (ret=0; ret<len; ++ret) { buf[pos+ret] = str.charAt(ret); } return ret; } private static int append(int[] buf, int pos, int[] str) { int ret; for (ret=0; ret<str.length; ++ret) { buf[pos+ret] = str[ret]; } return ret; } private static int[] getTemp() { int i = Native.rd(Const.IO_ADC1);// Dbg.intVal(i>>>16); i &= 0xffff;// Dbg.wr('T');// Dbg.intVal(i); i = (i-600)/17+27;// Dbg.intVal(i); if (i>99) i = 99; if (i<0) { i = -i; val[0] = '-'; } else { val[0] = ' '; } val[1] = '0'+i/10; val[2] = '0'+i%10; val[3] = ' '; val[4] = ' '; return val; } private static void setInt(int val, int[] buf) { int i; for (i=buf.length-1; i>=0; --i) { buf[i] = val%10+'0'; val /= 10; if (val==0) break; } --i; for (; i>=0; --i) { buf[i] = ' '; } } private static int[] getAnalog(int channel) { int i = 0; if (channel==1) { i = Native.rd(Const.IO_ADC1); // I = ADCout * 3.3 / (100 * (2^16-1)) i *= 100; i /= 19859; } else if (channel==2) { i = Native.rd(Const.IO_ADC2); i *= 100; i /= 19859; } else if (channel==3) { i = Native.rd(Const.IO_ADC3); // U = 11 * ADCout * 3.3 / (2^16-1) i *= 100; i /= 18054; } // value is now in 1/10 mA or 1/10 V // setInt(i, val);/* i += 100; i /= 201;*/ val[4] = ' '; val[3] = '0'+i%10; val[2] = '.'; i /= 10; val[1] = '0'+i%10; val[0] = '0'+i/10; return val; } private static int[] getHit() { int j; for (j=0; j<5; ++j) { val[j] = ' '; } val[0] = '0'+hits/10000%10; val[1] = '0'+hits/1000%10; val[2] = '0'+hits/100%10; val[3] = '0'+hits/10%10; val[4] = '0'+hits%10; return val; } private static int[] getDigital() { setInt(Native.rd(Const.IO_IN), val); return val; } private static void setMsg(int[] buf, int pos) { int i, j; for (i=0; i<MAX_MSG; ++i) { msg[i] = ' '; }// Dbg.wr('m');// Dbg.wr(':'); for (i=0; i<MAX_MSG; ++i) { j = buf[pos+i]; if (j==' ') break; if (j=='+') j=' '; msg[i] = j;//Dbg.wr(j); } } private static final int HTML_START = 0x90000; // start at first address (should be changed!) private static int getChar(int pos) { // data from Flash // return Native.rdMem(HTML_START+pos); // data from String if (pos>=text.length()) return 0; return text.charAt(pos); } public static int setText(int[] buf, int req_pos, int req_len, int ret_pos) { int i, j, k;//Dbg.wr('\n');//Dbg.wr('h');//Dbg.wr('t');//Dbg.wr('m');//Dbg.wr('l');//Dbg.wr(':');//Dbg.intVal(hits); // copy request to 'byte' buffer for (i=0; i<req_len; i+=4) { j = buf[req_pos+(i>>2)]; tmp[i] = j>>>24; tmp[i+1] = (j>>>16)&0xff; tmp[i+2] = (j>>>8)&0xff; tmp[i+3] = j&0xff; }Dbg.wr('\n');for (i=0; i<req_len; ++i) Dbg.wr(tmp[i]); int ret = 0; if (tmp[0]!='G' || tmp[1]!='E') return 0; k = tmp[5]; if (k=='T') { // request for 'Tal.class' ret = setClassFile(tmp); } else { processRequest(tmp, 5); ret += append(tmp, ret, prot); if (k=='d') { // request for 'data.txt' ret += setData(tmp, ret); } else { ++hits; for (i=0; i<1000; ++i) { j = getChar(i); if (j==0) break; // EOF reached if (j=='!') { ++i; j = getChar(i); ++i; k = getChar(i); ret += setSpecial(tmp, ret, j, k); } else if (j=='#') { ++i; j = getChar(i)-'0'; if (valArr!=null && j>=0 && j<valArr.length) { ret += setVal(tmp, ret, valArr[j]); } } else { tmp[ret] = j; ++ret; } } } ret += append(tmp, ret, end); } // copy replay to word buffer/*Dbg.wr('\n');for (i=0; i<ret; ++i) Dbg.wr(tmp[i]);Dbg.wr('\n');*/ tmp[ret] = 0; // make shure last bytes are 0 for checksum tmp[ret+1] = 0; tmp[ret+2] = 0; k = 0; for (i=0; i<(ret+3)>>2; ++i) { j = (tmp[k]<<24) + (tmp[k+1]<<16) + (tmp[k+2]<<8) + tmp[k+3]; buf[ret_pos+i] = j; k += 4; } return ret; }/*** Handle one HTTP request.*/ private static void processRequest(int[] buf, int pos) { if (buf[pos+0]!='?') return; // nothing to do! int i = pos+1; if (buf[i]=='m') { setMsg(buf, i+2); } else { // set/reset outValuts outVal[0] = 0; for(; i<100; ++i) { if (buf[i]=='o') { ++i; int j = buf[i]-'1'; if (j>=0 && j<=3) { outVal[0] |= 1<<j; } } else if (buf[i]=='\r') { break; } } Native.wr(outVal[0], Const.IO_OUT); } } private static int setVal(int[] buf, int pos, int val) { int j; for (j=0; j<5; ++j) { buf[pos+j] = ' '; } buf[pos+0] = '0'+val/1000000%10; buf[pos+1] = '0'+val/100000%10; buf[pos+2] = '0'+val/10000%10; buf[pos+3] = '0'+val/1000%10; buf[pos+4] = '0'+val/100%10; buf[pos+5] = '0'+val/10%10; buf[pos+6] = '0'+val%10; return 7; } private static int setSpecial(int[] buf, int pos, int ch1, int ch2) { int i, j; if (ch1=='m') { return append(buf, pos, msg); } else if (ch1=='a') { return append(buf, pos, getAnalog(ch2-'0')); } else if (ch1=='t') { return append(buf, pos, getTemp()); } else if (ch1=='h') { return append(buf, pos, getHit()); } else if (ch1=='i') { i = Native.rd(Const.IO_IN); j = ch2-'1'; if ((i&(1<<j))!=0) { return append(buf, pos, "on"); } else { return append(buf, pos, "off"); } } else if (ch1=='o') { i = outVal[0]; j = ch2-'1'; if ((i&(1<<j))!=0) { return append(buf, pos, "on"); } else { return append(buf, pos, "off"); } } return 0; } private static int setData(int[] buf, int pos) { int ret = 0; ret += append(buf, pos+ret, getAnalog(1)); ret += append(buf, pos+ret, getAnalog(2)); ret += append(buf, pos+ret, getDigital()); buf[pos+ret] = ' '; ++ret; ret += append(buf, pos+ret, getHit()); return ret; } private static final int APPL_START = 0x80000 + 0x30000; // start of class file // load Applet Tal.class private static int setClassFile(int[] buf) { int ret = Native.rdMem(APPL_START)<<8; ret += Native.rdMem(APPL_START+1); for (int i=0; i<ret; ++i) { buf[i] = Native.rdMem(APPL_START+2+i); } return ret; }}⌨️ 快捷键说明
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