gp2x/cpu_speed.c

   1
   2 /*  CPU/LCD/RAM-Tuner for GP2X Version 2.0
   3     Copyright (C) 2006 god_at_hell
   4     original CPU-Overclocker (c) by Hermes/PS2Reality
   5   the gamma-routine was provided by theoddbot
   6
   7     This program is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     This program is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with this program; if not, write to the Free Software
  19     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20
  21 */
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <sys/mman.h>
  29 #include <fcntl.h>
  30 #include <math.h>
  31 #include <time.h>
  32 #include <unistd.h>
  33
  34 #include "display.h"
  35 #include "cpuctrl.h"
  36 #include "gp2xminilib.h"
  37 #include "speedtest.h"
  38 #include "cmdline.h"
  39 #include "daemon.h"
  40
  41 int cpuspeed_exit = 0;
  42
  43 unsigned COLORFONDO=0xB00000; // background-color
  44 unsigned WHITE=0xFFFFFF;
  45 unsigned TEXTBACK=0x0000B0;
  46
  47 unsigned gp2x_nKeys=0;
  48 int oldtime=0;
  49 char pageshift;
  50 short menupoint;
  51 unsigned char cad[256];
  52 short cpusettings[2],dispsettings[3],ramsettings[10];
  53 extern int daemonsettings[8];
  54 extern unsigned MDIV,PDIV,SCALE;
  55
  56 void cleardisp()
  57 {
  58     ClearScreen(COLORFONDO);
  59     sprintf(cad,"gpSP2X v0.9008 with CPU_SPEED");
  60     v_putcad(1,1,WHITE,COLORFONDO,cad);
  61     v_putcad(28,5,WHITE,COLORFONDO,"Item Help");
  62     v_putcad(2,26,WHITE,COLORFONDO,"Start:Quit Stick:UP/DOWN");
  63
  64     DrawBox(WHITE);
  65 }
  66
  67 void itemhelp(char item[])
  68 {
  69   if(strcmp(item, "menu") == 0)
  70   {
  71     v_putcad(26,8,0xffffff,COLORFONDO,"Enter submenu");
  72     v_putcad(26,9,0xffffff,COLORFONDO,"with B.");
  73   }
  74   if(strcmp(item, "cpuclk") == 0)
  75   {
  76     v_putcad(26,8,0xffffff,COLORFONDO,"Choose a");
  77     v_putcad(26,9,0xffffff,COLORFONDO,"clockspeed");
  78     v_putcad(26,10,0xffffff,COLORFONDO,"with R/L or");
  79     v_putcad(26,11,0xffffff,COLORFONDO,"Vol UP/Down.");
  80     v_putcad(26,13,0xffffff,COLORFONDO,"Valid speeds");
  81     v_putcad(26,14,0xffffff,COLORFONDO,"are:");
  82     v_putcad(26,15,0xffffff,COLORFONDO,"33 to 340Mhz");
  83   }
  84   if(strcmp(item, "cpudiv") == 0)
  85   {
  86     v_putcad(26,8,0xffffff,COLORFONDO,"Choose with");
  87     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
  88     v_putcad(26,11,0xffffff,COLORFONDO,"The CPU-clock");
  89     v_putcad(26,12,0xffffff,COLORFONDO,"will be");
  90     v_putcad(26,13,0xffffff,COLORFONDO,"divided by");
  91     v_putcad(26,14,0xffffff,COLORFONDO,"this value.");
  92     v_putcad(26,16,0xffffff,COLORFONDO,"Valid values");
  93     v_putcad(26,17,0xffffff,COLORFONDO,"are from");
  94     v_putcad(26,18,0xffffff,COLORFONDO,"1 to 8");
  95   }
  96   if(strcmp(item, "test") == 0)
  97   {
  98     v_putcad(26,8,0xffffff,COLORFONDO,"Change with");
  99     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 100     v_putcad(26,11,0xffffff,COLORFONDO,"The test");
 101     v_putcad(26,12,0xffffff,COLORFONDO,"checks how");
 102     v_putcad(26,13,0xffffff,COLORFONDO,"high you can");
 103     v_putcad(26,14,0xffffff,COLORFONDO,"clock the");
 104     v_putcad(26,15,0xffffff,COLORFONDO,"CPU.");
 105     v_putcad(26,17,0xffffff,COLORFONDO,"Check the");
 106     v_putcad(26,18,0xffffff,COLORFONDO,"Readme for");
 107     v_putcad(26,19,0xffffff,COLORFONDO,"more infos.");
 108   }
 109   if(strcmp(item, "gotest") == 0)
 110   {
 111     v_putcad(26,8,0xffffff,COLORFONDO,"Start the");
 112     v_putcad(26,9,0xffffff,COLORFONDO,"test with B.");
 113   }
 114   if(strcmp(item, "clockgen") == 0)
 115   {
 116     v_putcad(26,8,0xffffff,COLORFONDO,"Change the");
 117     v_putcad(26,9,0xffffff,COLORFONDO,"clockgen with");
 118     v_putcad(26,10,0xffffff,COLORFONDO,"R/L.");
 119     v_putcad(26,12,0xffffff,COLORFONDO,"FPLL is for");
 120     v_putcad(26,13,0xffffff,COLORFONDO,"FW 1.0");
 121     v_putcad(26,14,0xffffff,COLORFONDO,"UPLL for the");
 122     v_putcad(26,15,0xffffff,COLORFONDO,"rest.");
 123   }
 124   if(strcmp(item, "timing") == 0)
 125   {
 126     v_putcad(26,8,0xffffff,COLORFONDO,"Choose the");
 127     v_putcad(26,9,0xffffff,COLORFONDO,"LCD-Timing");
 128     v_putcad(26,10,0xffffff,COLORFONDO,"with R/L.");
 129     v_putcad(26,12,0xffffff,COLORFONDO,"Valid are");
 130     v_putcad(26,13,0xffffff,COLORFONDO,"values from");
 131     v_putcad(26,14,0xffffff,COLORFONDO,"-20 to 36");
 132     v_putcad(26,15,0xffffff,COLORFONDO,"for FPLL");
 133     v_putcad(26,16,0xffffff,COLORFONDO,"and -6 to 10");
 134     v_putcad(26,17,0xffffff,COLORFONDO,"for UPLL");
 135   }
 136   if(strcmp(item, "gamma") == 0)
 137   {
 138     v_putcad(26,8,0xffffff,COLORFONDO,"Change gamma");
 139     v_putcad(26,9,0xffffff,COLORFONDO,"with R/L or");
 140     v_putcad(26,10,0xffffff,COLORFONDO,"Vol UP/DOWN");
 141     v_putcad(26,12,0xffffff,COLORFONDO,"Valid are");
 142     v_putcad(26,13,0xffffff,COLORFONDO,"values from");
 143     v_putcad(26,14,0xffffff,COLORFONDO,"0.01 to 10.00");
 144   }
 145   if(strcmp(item, "CAS") == 0)
 146   {
 147     v_putcad(26,8,0xffffff,COLORFONDO,"Choose the");
 148     v_putcad(26,9,0xffffff,COLORFONDO,"CAS Latency");
 149     v_putcad(26,10,0xffffff,COLORFONDO,"with R/L");
 150     v_putcad(26,12,0xffffff,COLORFONDO,"Valid are");
 151     v_putcad(26,13,0xffffff,COLORFONDO,"2 or 3 cycles");
 152     v_putcad(26,15,0xffffff,COLORFONDO,"Delay between");
 153     v_putcad(26,16,0xffffff,COLORFONDO,"registration");
 154     v_putcad(26,17,0xffffff,COLORFONDO,"of a READ");
 155     v_putcad(26,18,0xffffff,COLORFONDO,"command and");
 156     v_putcad(26,19,0xffffff,COLORFONDO,"outputdata.");
 157     v_putcad(27,21,0x0000DD,COLORFONDO,"!INSTABLE!");
 158   }
 159   if(strcmp(item, "tRC") == 0)
 160   {
 161     v_putcad(26,8,0xffffff,COLORFONDO,"Change with");
 162     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 163     v_putcad(26,11,0xffffff,COLORFONDO,"Valid are");
 164     v_putcad(26,12,0xffffff,COLORFONDO,"1 to 16");
 165     v_putcad(26,13,0xffffff,COLORFONDO,"cycles.");
 166     v_putcad(26,15,0xffffff,COLORFONDO,"ACTIVE to");
 167     v_putcad(26,16,0xffffff,COLORFONDO,"ACTIVE/");
 168     v_putcad(26,17,0xffffff,COLORFONDO,"AUTOREFRESH");
 169     v_putcad(26,18,0xffffff,COLORFONDO,"command");
 170     v_putcad(26,19,0xffffff,COLORFONDO,"period delay.");
 171   }
 172   if(strcmp(item, "tRAS") == 0)
 173   {
 174     v_putcad(26,8,0xffffff,COLORFONDO,"Change with");
 175     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 176     v_putcad(26,11,0xffffff,COLORFONDO,"Valid are");
 177     v_putcad(26,12,0xffffff,COLORFONDO,"1 to 16");
 178     v_putcad(26,13,0xffffff,COLORFONDO,"cycles.");
 179     v_putcad(26,15,0xffffff,COLORFONDO,"Delay between");
 180     v_putcad(26,16,0xffffff,COLORFONDO,"the ACTIVE");
 181     v_putcad(26,17,0xffffff,COLORFONDO,"and PRECHARGE");
 182     v_putcad(26,18,0xffffff,COLORFONDO,"commands.");
 183   }
 184   if(strcmp(item, "tWR") == 0)
 185   {
 186     v_putcad(26,8,0xffffff,COLORFONDO,"Change with");
 187     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 188     v_putcad(26,11,0xffffff,COLORFONDO,"Valid are");
 189     v_putcad(26,12,0xffffff,COLORFONDO,"1 to 16");
 190     v_putcad(26,13,0xffffff,COLORFONDO,"cycles.");
 191     v_putcad(26,15,0xffffff,COLORFONDO,"Write");
 192     v_putcad(26,16,0xffffff,COLORFONDO,"recovery time");
 193     v_putcad(26,17,0xffffff,COLORFONDO,"in cycles.");
 194   }
 195   if(strcmp(item, "tMRD") == 0)
 196   {
 197     v_putcad(26,8,0xffffff,COLORFONDO,"Change with");
 198     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 199     v_putcad(26,11,0xffffff,COLORFONDO,"Valid are");
 200     v_putcad(26,12,0xffffff,COLORFONDO,"1 to 16");
 201     v_putcad(26,13,0xffffff,COLORFONDO,"cycles.");
 202     v_putcad(26,15,0xffffff,COLORFONDO,"LOAD MODE");
 203     v_putcad(26,16,0xffffff,COLORFONDO,"REGISTER");
 204     v_putcad(26,17,0xffffff,COLORFONDO,"command cycle");
 205     v_putcad(26,18,0xffffff,COLORFONDO,"time.");
 206   }
 207   if(strcmp(item, "tRFC") == 0)
 208   {
 209     v_putcad(26,8,0xffffff,COLORFONDO,"Change with");
 210     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 211     v_putcad(26,11,0xffffff,COLORFONDO,"Valid are");
 212     v_putcad(26,12,0xffffff,COLORFONDO,"1 to 16");
 213     v_putcad(26,13,0xffffff,COLORFONDO,"cycles.");
 214     v_putcad(26,15,0xffffff,COLORFONDO,"AUTOREFRESH");
 215     v_putcad(26,16,0xffffff,COLORFONDO,"command");
 216     v_putcad(26,17,0xffffff,COLORFONDO,"period.");
 217   }
 218   if(strcmp(item, "tRP") == 0)
 219   {
 220     v_putcad(26,8,0xffffff,COLORFONDO,"Change with");
 221     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 222     v_putcad(26,11,0xffffff,COLORFONDO,"Valid are");
 223     v_putcad(26,12,0xffffff,COLORFONDO,"1 to 16");
 224     v_putcad(26,13,0xffffff,COLORFONDO,"cycles.");
 225     v_putcad(26,15,0xffffff,COLORFONDO,"PRECHARGE");
 226     v_putcad(26,16,0xffffff,COLORFONDO,"command");
 227     v_putcad(26,17,0xffffff,COLORFONDO,"period.");
 228   }
 229   if(strcmp(item, "tRCD") == 0)
 230   {
 231     v_putcad(26,8,0xffffff,COLORFONDO,"Change with");
 232     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 233     v_putcad(26,11,0xffffff,COLORFONDO,"Valid are");
 234     v_putcad(26,12,0xffffff,COLORFONDO,"1 to 16");
 235     v_putcad(26,13,0xffffff,COLORFONDO,"cycles.");
 236     v_putcad(26,15,0xffffff,COLORFONDO,"RAS to CAS");
 237     v_putcad(26,16,0xffffff,COLORFONDO,"Delay in");
 238     v_putcad(26,17,0xffffff,COLORFONDO,"cycles.");
 239   }
 240   if(strcmp(item, "REFPERD") == 0)
 241   {
 242     v_putcad(26,8,0xffffff,COLORFONDO,"Choose the");
 243     v_putcad(26,9,0xffffff,COLORFONDO,"RAM Refresh");
 244     v_putcad(26,9,0xffffff,COLORFONDO,"Period");
 245     v_putcad(26,10,0xffffff,COLORFONDO,"with R/L");
 246     v_putcad(26,12,0xffffff,COLORFONDO,"Valid are");
 247     v_putcad(26,13,0xffffff,COLORFONDO,"1 to 65535 ");
 248     v_putcad(26,14,0xffffff,COLORFONDO,"cycles.");
 249     v_putcad(26,16,0xffffff,COLORFONDO,"Max. cycles");
 250     v_putcad(26,17,0xffffff,COLORFONDO,"between");
 251     v_putcad(26,18,0xffffff,COLORFONDO,"AUTOREFRESH");
 252     v_putcad(26,19,0xffffff,COLORFONDO,"commands.");
 253     v_putcad(26,21,0xFFFF,COLORFONDO,"Default ~250");
 254   }
 255   if(strcmp(item, "DCLK_Div") == 0)
 256   {
 257     v_putcad(26,8,0xffffff,COLORFONDO,"Choose with");
 258     v_putcad(26,9,0xffffff,COLORFONDO,"R/L.");
 259     v_putcad(26,11,0xffffff,COLORFONDO,"The CPU-clock");
 260     v_putcad(26,12,0xffffff,COLORFONDO,"will be");
 261     v_putcad(26,13,0xffffff,COLORFONDO,"divided by");
 262     v_putcad(26,14,0xffffff,COLORFONDO,"this value.");
 263     v_putcad(26,15,0xffffff,COLORFONDO,"Valid values");
 264     v_putcad(26,17,0xffffff,COLORFONDO,"are from");
 265     v_putcad(26,18,0xffffff,COLORFONDO,"1 to 8");
 266     v_putcad(26,20,0xffffff,COLORFONDO,"RAM-Clock =");
 267     v_putcad(26,21,0xffffff,COLORFONDO,"CPU-Clock / 2");
 268   }
 269 }
 270
 271 short cpumenu()
 272 {
 273   unsigned sysfreq=0, cpufreq, cpu_div;
 274
 275   short test = 1;
 276
 277   if(cpusettings[0] == -1)
 278   {
 279     //get the setted values from system
 280     cpu_div = get_920_Div();
 281     sysfreq=get_freq_920_CLK();
 282     sysfreq*=cpu_div+1;
 283     cpufreq=sysfreq/1000000;
 284   }
 285   else
 286   {
 287     //use old settings
 288     cpufreq = cpusettings[0];
 289     cpu_div = cpusettings[1];
 290   }
 291
 292   menupoint = 0;
 293
 294   do
 295   {
 296     cleardisp();
 297
 298     //cpu menu
 299     v_putcad(12,2,WHITE,COLORFONDO,"CPU Clock Setup");
 300     sprintf(cad,"CPU Frequency = %uMhz",cpufreq);
 301     if(menupoint==0){v_putcad(2,5,0xffffff,TEXTBACK,cad);itemhelp("cpuclk");}
 302     else v_putcad(2,5,0xffff,COLORFONDO,cad);
 303     sprintf(cad,"CPU Divider: %u",cpu_div+1);
 304     if(menupoint==1){v_putcad(2,7,0xffffff,TEXTBACK,cad);itemhelp("cpudiv");}
 305     else v_putcad(2,7,0xffff,COLORFONDO,cad);
 306     v_putcad(2,12,0xffff00,COLORFONDO,"CPU Speedtest");
 307     if(test==0) sprintf(cad,"Test 2: Primnumber");
 308     if(test==1) sprintf(cad,"Test 1: Walking Ant");
 309     if(menupoint==2){v_putcad(2,15,0xffffff,TEXTBACK,cad);itemhelp("test");}
 310     else v_putcad(2,15,0xffff,COLORFONDO,cad);
 311     if(menupoint==3){v_putcad(8,17,0xffffff,TEXTBACK,"GO!!!");itemhelp("gotest");}
 312     else v_putcad(8,17,0xffff,COLORFONDO,"GO!!!");
 313
 314     gp2x_video_flip();
 315
 316     while(1)
 317     {
 318       gp2x_nKeys=gp2x_joystick_read();
 319
 320       if((gp2x_nKeys & GP2X_START))
 321       {
 322         while(1)
 323         {
 324           gp2x_nKeys=gp2x_joystick_read();
 325           if(!(gp2x_nKeys & GP2X_START)) break;
 326         }
 327         cpusettings[0] = cpufreq;
 328         cpusettings[1] = cpu_div;
 329         return 0;
 330       }
 331
 332       if((gp2x_nKeys & GP2X_DOWN))
 333       {
 334         menupoint++;
 335         if(menupoint>3) menupoint=0;
 336         delay_us(200000);
 337         break;
 338       }
 339
 340       if((gp2x_nKeys & GP2X_UP))
 341       {
 342         menupoint--;
 343         if(menupoint<0) menupoint=3;
 344         delay_us(200000);
 345         break;
 346       }
 347
 348       if((gp2x_nKeys & GP2X_R))
 349       {
 350         if (menupoint == 0)
 351         {
 352           cpufreq+=10;
 353           if (cpufreq > 340) cpufreq = 33;
 354         }
 355         if (menupoint == 1)
 356         {
 357           cpu_div++;
 358           if (cpu_div == 8) cpu_div = 0;
 359         }
 360         if (menupoint == 2)
 361         {
 362           test++;
 363           if (test == 2) test = 0;
 364         }
 365         delay_us(200000);
 366         break;
 367       }
 368
 369       if((gp2x_nKeys & GP2X_L))
 370       {
 371         if (menupoint == 0)
 372         {
 373           cpufreq-=10;
 374           if (cpufreq < 33) cpufreq = 340;
 375         }
 376         if (menupoint == 1)
 377         {
 378           cpu_div--;
 379           if (cpu_div == -1) cpu_div = 7;
 380         }
 381         if (menupoint == 2)
 382         {
 383           cpu_div--;
 384           if (cpu_div == -1) cpu_div = 1;
 385         }
 386         delay_us(200000);
 387         break;
 388       }
 389
 390       if((gp2x_nKeys & GP2X_VOL_DOWN))
 391       {
 392         if (menupoint == 0)
 393         {
 394           cpufreq++;
 395           if (cpufreq == 340) cpufreq = 33;
 396         }
 397         delay_us(200000);
 398         break;
 399       }
 400
 401       if((gp2x_nKeys & GP2X_VOL_UP))
 402       {
 403         if (menupoint == 0)
 404         {
 405           cpufreq--;
 406           if (cpufreq == 32) cpufreq = 340;
 407         }
 408         delay_us(200000);
 409         break;
 410       }
 411
 412       if((gp2x_nKeys & GP2X_B))
 413       {
 414         if (menupoint == 3) speedtest(test);
 415         delay_us(200000);
 416         break;
 417       }
 418     }
 419   }
 420   while(1);
 421 }
 422
 423 short lcdmenu()
 424 {
 425   short clockgen, LCDClk;
 426   float gamma;
 427
 428   if(dispsettings[0] == -1)
 429   {
 430     //get the setted values from system
 431     clockgen = get_Clkgen();
 432     LCDClk = get_LCDClk(clockgen);
 433     gamma = 1.0;
 434   }
 435   else
 436   {
 437     //use old settings
 438     clockgen = dispsettings[0];
 439     LCDClk = dispsettings[1];
 440     gamma = dispsettings[2]/100;
 441   }
 442
 443   menupoint = 0;
 444
 445   do
 446   {
 447     cleardisp();
 448
 449     //display menu
 450     v_putcad(9,2,WHITE,COLORFONDO,"Display Setting Setup");
 451     if (clockgen == 0)
 452     {
 453       sprintf(cad,"Clockgen = FPLL");
 454       if(menupoint==0){v_putcad(2,5,0xffffff,TEXTBACK,cad);itemhelp("clockgen");}
 455       else v_putcad(2,5,0xffff,COLORFONDO,cad);
 456     }
 457     else
 458     {
 459       sprintf(cad,"Clockgen = UPLL");
 460       if(menupoint==0){v_putcad(2,5,0xffffff,TEXTBACK,cad);itemhelp("clockgen");}
 461       else v_putcad(2,5,0xffff,COLORFONDO,cad);
 462     }
 463     sprintf(cad,"Timing: %i",LCDClk);
 464     if(menupoint==1){v_putcad(2,7,0xffffff,TEXTBACK,cad);itemhelp("timing");}
 465     else v_putcad(2,7,0xffff,COLORFONDO,cad);
 466     sprintf(cad,"Gamma: %.2f",gamma);
 467     if(menupoint==2){v_putcad(2,9,0xffffff,TEXTBACK,cad);itemhelp("gamma");}
 468     else v_putcad(2,9,0xffff,COLORFONDO,cad);
 469
 470     gp2x_video_flip();
 471
 472     while(1)
 473     {
 474       gp2x_nKeys=gp2x_joystick_read();
 475
 476       if((gp2x_nKeys & GP2X_START))
 477       {
 478         while(1)
 479         {
 480           gp2x_nKeys=gp2x_joystick_read();
 481           if(!(gp2x_nKeys & GP2X_START)) break;
 482         }
 483         dispsettings[0] = clockgen;
 484         dispsettings[1] = LCDClk;
 485         dispsettings[2] = (int)(gamma*100);
 486         return 0;
 487       }
 488
 489       if((gp2x_nKeys & GP2X_DOWN))
 490       {
 491         menupoint++;
 492         if(menupoint>2) menupoint=0;
 493         delay_us(200000);
 494         break;
 495       }
 496
 497       if((gp2x_nKeys & GP2X_UP))
 498       {
 499         menupoint--;
 500         if(menupoint<0) menupoint=2;
 501         delay_us(200000);
 502         break;
 503       }
 504
 505       if((gp2x_nKeys & GP2X_R))
 506       {
 507         if (menupoint == 0)
 508         {
 509           clockgen++;
 510           if (clockgen == 2) clockgen = 0;
 511         }
 512         if (menupoint == 1)
 513         {
 514           LCDClk++;
 515           if (clockgen == 0)
 516           {
 517             if (LCDClk == 37) LCDClk = -20;
 518             set_add_FLCDCLK(LCDClk);
 519           }
 520           else
 521           {
 522             if (LCDClk == 11) LCDClk = -6;
 523             set_add_ULCDCLK(LCDClk);
 524           }
 525         }
 526         if (menupoint == 2)
 527         {
 528           gamma += 0.2;
 529           if (gamma > 10) gamma = 0.2;
 530           set_gamma(gamma);
 531         }
 532         delay_us(200000);
 533         break;
 534       }
 535
 536       if((gp2x_nKeys & GP2X_L))
 537       {
 538         if (menupoint == 0)
 539         {
 540           clockgen--;
 541           if (clockgen == -1) clockgen = 1;
 542         }
 543         if (menupoint == 1)
 544         {
 545           LCDClk--;
 546           if(clockgen == 0)
 547           {
 548             if (LCDClk == -21) LCDClk = 36;
 549             set_add_FLCDCLK(LCDClk);
 550           }
 551           else
 552           {
 553             if (LCDClk == -7) LCDClk = 10;
 554             set_add_ULCDCLK(LCDClk);
 555           }
 556         }
 557         if (menupoint == 2)
 558         {
 559           gamma -= 0.2;
 560           if (gamma < 0.01) gamma = 10;
 561           set_gamma(gamma);
 562         }
 563         delay_us(200000);
 564         break;
 565       }
 566
 567       if((gp2x_nKeys & GP2X_VOL_DOWN))
 568       {
 569         if (menupoint == 2)
 570         {
 571           gamma += 0.01;
 572           if (gamma > 10) gamma = 0.01;
 573           set_gamma(gamma);
 574         }
 575         delay_us(200000);
 576         break;
 577       }
 578
 579       if((gp2x_nKeys & GP2X_VOL_UP))
 580       {
 581         if (menupoint == 2)
 582         {
 583           gamma -= 0.01;
 584           if (gamma < 0.01) gamma = 10;
 585           set_gamma(gamma);
 586         }
 587         delay_us(200000);
 588         break;
 589       }
 590     }
 591   }
 592   while(1);
 593 }
 594
 595 short rammenu()
 596 {
 597   short CAS,tRC,tRAS,tWR,tMRD,tRFC,tRP,tRCD,DCLK_Div;
 598   int REFPERD;
 599
 600   if(ramsettings[0] == -1)
 601   {
 602     //get the setted values from system
 603     CAS = get_CAS();
 604     tRC = get_tRC();
 605     tRAS = get_tRAS();
 606     tWR = get_tWR();
 607     tMRD = get_tMRD();
 608     tRFC = get_tRFC();
 609     tRP = get_tRP();
 610     tRCD = get_tRCD();
 611     REFPERD = get_REFPERD();
 612     DCLK_Div = get_DCLK_Div();
 613   }
 614   else
 615   {
 616     //use old settings
 617     CAS = ramsettings[0];
 618     tRC = ramsettings[1];
 619     tRAS = ramsettings[2];
 620     tWR = ramsettings[3];
 621     tMRD = ramsettings[4];
 622     tRFC = ramsettings[5];
 623     tRP = ramsettings[6];
 624     tRCD = ramsettings[7];
 625     REFPERD = ramsettings[8];
 626     DCLK_Div = ramsettings[9];
 627   }
 628
 629   pageshift = 0;
 630   menupoint = 0;
 631
 632   do
 633   {
 634     cleardisp();
 635
 636     //ram menu
 637     v_putcad(11,2,WHITE,COLORFONDO,"RAM Setting Setup");
 638     if(pageshift == 0)
 639     {
 640       sprintf(cad,"CAS: %u",CAS+2);
 641       if(menupoint==0){v_putcad(2,5,0xffffff,TEXTBACK,cad);itemhelp("CAS");}
 642       else v_putcad(2,5,0xffff,COLORFONDO,cad);
 643     }
 644     else v_putcad(13,5,0xffff,COLORFONDO,"^");
 645     sprintf(cad,"tRC: %u",tRC+1);
 646     if(menupoint==1){v_putcad(2,7-pageshift,0xffffff,TEXTBACK,cad);itemhelp("tRC");}
 647     else v_putcad(2,7-pageshift,0xffff,COLORFONDO,cad);
 648     sprintf(cad,"tRAS: %u",tRAS+1);
 649     if(menupoint==2){v_putcad(2,9-pageshift,0xffffff,TEXTBACK,cad);itemhelp("tRAS");}
 650     else v_putcad(2,9-pageshift,0xffff,COLORFONDO,cad);
 651     sprintf(cad,"tWR: %u",tWR+1);
 652     if(menupoint==3){v_putcad(2,11-pageshift,0xffffff,TEXTBACK,cad);itemhelp("tWR");}
 653     else v_putcad(2,11-pageshift,0xffff,COLORFONDO,cad);
 654     sprintf(cad,"tMRD: %u",tMRD+1);
 655     if(menupoint==4){v_putcad(2,13-pageshift,0xffffff,TEXTBACK,cad);itemhelp("tMRD");}
 656     else v_putcad(2,13-pageshift,0xffff,COLORFONDO,cad);
 657     sprintf(cad,"tRFC: %u",tRFC+1);
 658     if(menupoint==5){v_putcad(2,15-pageshift,0xffffff,TEXTBACK,cad);itemhelp("tRFC");}
 659     else v_putcad(2,15-pageshift,0xffff,COLORFONDO,cad);
 660     sprintf(cad,"tRP: %u",tRP+1);
 661     if(menupoint==6){v_putcad(2,17-pageshift,0xffffff,TEXTBACK,cad);itemhelp("tRP");}
 662     else v_putcad(2,17-pageshift,0xffff,COLORFONDO,cad);
 663     sprintf(cad,"tRCD: %u",tRCD+1);
 664     if(menupoint==7){v_putcad(2,19-pageshift,0xffffff,TEXTBACK,cad);itemhelp("tRCD");}
 665     else v_putcad(2,19-pageshift,0xffff,COLORFONDO,cad);
 666     sprintf(cad,"Refresh Period: %u",REFPERD+1);
 667     if(menupoint==8){v_putcad(2,21-pageshift,0xffffff,TEXTBACK,cad);itemhelp("REFPERD");}
 668     else v_putcad(2,21-pageshift,0xffff,COLORFONDO,cad);
 669     if(pageshift == 1)
 670     {
 671       sprintf(cad,"RAM Divider: %u",DCLK_Div+1);
 672       if(menupoint==9){v_putcad(2,23,0xffffff,TEXTBACK,cad);itemhelp("DCLK_Div");}
 673       else v_putcad(2,23,0xffff,COLORFONDO,cad);
 674     }
 675     else v_putcad(13,23,0xffff,COLORFONDO,"v");
 676
 677
 678     gp2x_video_flip();
 679
 680     while(1)
 681     {
 682       gp2x_nKeys=gp2x_joystick_read();
 683
 684       if((gp2x_nKeys & GP2X_START))
 685       {
 686         while(1)
 687         {
 688           gp2x_nKeys=gp2x_joystick_read();
 689           if(!(gp2x_nKeys & GP2X_START)) break;
 690         }
 691         ramsettings[0] = CAS;
 692         ramsettings[1] = tRC;
 693         ramsettings[2] = tRAS;
 694         ramsettings[3] = tWR;
 695         ramsettings[4] = tMRD;
 696         ramsettings[5] = tRFC;
 697         ramsettings[6] = tRP;
 698         ramsettings[7] = tRCD;
 699         ramsettings[8] = REFPERD;
 700         ramsettings[9] = DCLK_Div;
 701         return 0;
 702       }
 703
 704       if((gp2x_nKeys & GP2X_DOWN))
 705       {
 706         menupoint++;
 707         if(menupoint==9) pageshift = 1;
 708         if(menupoint>9) {menupoint=0; pageshift = 0;}
 709         delay_us(200000);
 710         break;
 711       }
 712
 713       if((gp2x_nKeys & GP2X_UP))
 714       {
 715         menupoint--;
 716         if(menupoint==0) pageshift = 0;
 717         if(menupoint<0) { menupoint=9; pageshift = 1;}
 718         delay_us(200000);
 719         break;
 720       }
 721
 722       if((gp2x_nKeys & GP2X_R))
 723       {
 724         if (menupoint == 0)
 725         {
 726           CAS++;
 727           if (CAS == 2) CAS = 0;
 728         }
 729         if (menupoint == 1)
 730         {
 731           tRC++;
 732           if (tRC == 16) tRC = 0;
 733         }
 734         if (menupoint == 2)
 735         {
 736           tRAS++;
 737           if (tRAS == 16) tRAS = 0;
 738         }
 739         if (menupoint == 3)
 740         {
 741           tWR++;
 742           if (tWR == 16) tWR = 0;
 743         }
 744         if (menupoint == 4)
 745         {
 746           tMRD++;
 747           if (tMRD == 16) tMRD = 0;
 748         }
 749         if (menupoint == 5)
 750         {
 751           tRFC++;
 752           if (tRFC == 16) tRFC = 0;
 753         }
 754         if (menupoint == 6)
 755         {
 756           tRP++;
 757           if (tRP == 16) tRP = 0;
 758         }
 759         if (menupoint == 7)
 760         {
 761           tRCD++;
 762           if (tRCD == 16) tRCD = 0;
 763         }
 764         if (menupoint == 8)
 765         {
 766           REFPERD += 10;
 767           if (REFPERD == 0xffff) REFPERD = 0;
 768         }
 769         if (menupoint == 9)
 770         {
 771           DCLK_Div++;
 772           if (DCLK_Div == 8) DCLK_Div = 0;
 773         }
 774         delay_us(200000);
 775         break;
 776       }
 777
 778       if((gp2x_nKeys & GP2X_L))
 779       {
 780         if (menupoint == 0)
 781         {
 782           CAS--;
 783           if (CAS == -1) CAS = 1;
 784         }
 785         if (menupoint == 1)
 786         {
 787           tRC--;
 788           if (tRC == -1) tRC = 15;
 789         }
 790         if (menupoint == 2)
 791         {
 792           tRAS--;
 793           if (tRAS == -1) tRAS = 15;
 794         }
 795         if (menupoint == 3)
 796         {
 797           tWR--;
 798           if (tWR == -1) tWR = 15;
 799         }
 800         if (menupoint == 4)
 801         {
 802           tMRD--;
 803           if (tMRD == -1) tMRD = 15;
 804         }
 805         if (menupoint == 5)
 806         {
 807           tRFC--;
 808           if (tRFC == -1) tRFC = 15;
 809         }
 810         if (menupoint == 6)
 811         {
 812           tRP--;
 813           if (tRP == -1) tRP = 15;
 814         }
 815         if (menupoint == 7)
 816         {
 817           tRCD--;
 818           if (tRCD == -1) tRCD = 15;
 819         }
 820         if (menupoint == 8)
 821         {
 822           REFPERD -= 10;
 823           if (REFPERD == -1) REFPERD = 0xfffe;
 824         }
 825         if (menupoint == 9)
 826         {
 827           DCLK_Div--;
 828           if (DCLK_Div == -1) DCLK_Div = 7;
 829         }
 830         delay_us(200000);
 831         break;
 832       }
 833     }
 834   }
 835   while(1);
 836 }
 837
 838 int exit_cpu_speed(char* runfile)
 839 {
 840   gp2x_deinit();
 841   cpuspeed_exit = 1;
 842 #if 0
 843   system("sync");
 844   if(strcmp(runfile, "gp2xmenu") == 0) chdir("/usr/gp2x");
 845   execl(runfile,NULL);
 846   exit(0);
 847 #endif
 848 }
 849
 850 /****************************************************************************************************************************************/
 851 //  MAIN
 852 /****************************************************************************************************************************************/
 853
 854 int main_cpuspeed(int argc, char *argv[])
 855 {
 856   unsigned sysfreq=0;
 857   int cpufreq, n;
 858   short run = 0;
 859   int start_daemon = 0;
 860   short mainmenupoint = 0;
 861   ramsettings[0] = -1;
 862   ramsettings[1] = -1;
 863   ramsettings[2] = -1;
 864   ramsettings[3] = -1;
 865   ramsettings[4] = -1;
 866   ramsettings[5] = -1;
 867   ramsettings[6] = -1;
 868   ramsettings[7] = -1;
 869   ramsettings[8] = -1;
 870   ramsettings[9] = -1;
 871   dispsettings[0] = -1;
 872   dispsettings[1] = -100;
 873   dispsettings[2] = -1;
 874   cpusettings[0] = -1;
 875   cpusettings[1] = -1;
 876   daemonsettings[0] = -1;
 877   daemonsettings[1] = 260;
 878   daemonsettings[2] = 5;
 879   daemonsettings[3] = 5;
 880   daemonsettings[4] = GP2X_L | GP2X_R;
 881   daemonsettings[5] = GP2X_VOL_DOWN;
 882   daemonsettings[6] = GP2X_VOL_UP;
 883   daemonsettings[7] = 1;
 884
 885   char *runfile;
 886
 887   FILE *settings;
 888   char sets[41][40];
 889   char* comps[25] = {
 890       "CPU-Clock\n","CPU-Div\n","FPLL\n","UPLL\n","Gamma\n","CAS\n","tRC\n",
 891       "tRAS\n","tWR\n","tMRD\n","tRFC\n","tRP\n","tRCD\n","Refresh-Period\n","RAM-Div\n","Run\n",
 892       "Daemon-Min\n","Daemon-Max\n","Daemon-Step\n","Daemon-Delay\n","Daemon-Hotkey\n","Daemon-Incr-Key\n","Daemon-Decr-Key\n",
 893       "Daemon-OSD\n","Daemon-Run\n"
 894   };
 895
 896   gp2x_init(16,44100,16,1,50);
 897   cpuctrl_init();  // ATENCION: si no se hace esto, cuelgue seguro (aprovecho la definicion de rlyeh y debe ir despues de gp2x_init)
 898
 899   settings = fopen ("./cpu_speed.cfg", "r");
 900
 901   if (settings == NULL)
 902     {
 903     printf("No file found\n");
 904     }
 905     else
 906     {
 907     char *ReturnCode;
 908     for(n=0; n<40; n++)
 909     {
 910       ReturnCode = fgets(sets[n],40,settings);
 911       if (ReturnCode == NULL)
 912       {
 913         sets[40][0] = (char)n;
 914         break;
 915       }
 916     }
 917
 918     for(n=0; n<(int)sets[40][0]; n=n+2)
 919     {
 920       if(strcmp(sets[n],comps[0]) == 0)
 921       {
 922         if(atoi(sets[n+1]) > 33)
 923         if(atoi(sets[n+1]) < 341)
 924         cpusettings[0] = atoi(sets[n+1]);
 925       }
 926       if(strcmp(sets[n],comps[1]) == 0)
 927       {
 928         if(atoi(sets[n+1]) > 0)
 929         if(atoi(sets[n+1]) < 9)
 930         cpusettings[1] = atoi(sets[n+1])-1;
 931       }
 932       if(strcmp(sets[n],comps[2]) == 0)
 933       {
 934         if(atoi(sets[n+1]) > -21)
 935         if(atoi(sets[n+1]) < 37)
 936         dispsettings[0] = 0;
 937         dispsettings[1] = atoi(sets[n+1]);
 938
 939       }
 940       if(strcmp(sets[n],comps[3]) == 0)
 941       {
 942         if(atoi(sets[n+1]) > -7)
 943         if(atoi(sets[n+1]) < 11)
 944         dispsettings[0] = 1;
 945         dispsettings[1] = atoi(sets[n+1]);
 946       }
 947       if(strcmp(sets[n],comps[4]) == 0)
 948       {
 949         if(atof(sets[n+1]) > 0)
 950         if(atof(sets[n+1]) <= 10)
 951         dispsettings[2] = (int)(atof(sets[n+1])*100);
 952       }
 953       if(strcmp(sets[n],comps[5]) == 0)
 954       {
 955         if(atoi(sets[n+1]) > 1)
 956         if(atoi(sets[n+1]) < 4)
 957         ramsettings[0] = atoi(sets[n+1])-2;
 958       }
 959       if(strcmp(sets[n],comps[6]) == 0)
 960       {
 961         if(atoi(sets[n+1]) > 0)
 962         if(atoi(sets[n+1]) < 17)
 963         ramsettings[1] = atoi(sets[n+1])-1;
 964       }
 965       if(strcmp(sets[n],comps[7]) == 0)
 966       {
 967         if(atoi(sets[n+1]) > 0)
 968         if(atoi(sets[n+1]) < 17)
 969         ramsettings[2] = atoi(sets[n+1])-1;
 970       }
 971       if(strcmp(sets[n],comps[8]) == 0)
 972       {
 973         if(atoi(sets[n+1]) > 0)
 974         if(atoi(sets[n+1]) < 17)
 975         ramsettings[3] = atoi(sets[n+1])-1;
 976       }
 977       if(strcmp(sets[n],comps[9]) == 0)
 978       {
 979         if(atoi(sets[n+1]) > 0)
 980         if(atoi(sets[n+1]) < 17)
 981         ramsettings[4] = atoi(sets[n+1])-1;
 982       }
 983       if(strcmp(sets[n],comps[10]) == 0)
 984       {
 985         if(atoi(sets[n+1]) > 0)
 986         if(atoi(sets[n+1]) < 17)
 987         ramsettings[5] = atoi(sets[n+1])-1;
 988       }
 989       if(strcmp(sets[n],comps[11]) == 0)
 990       {
 991         if(atoi(sets[n+1]) > 0)
 992         if(atoi(sets[n+1]) < 17)
 993         ramsettings[6] = atoi(sets[n+1])-1;
 994       }
 995       if(strcmp(sets[n],comps[12]) == 0)
 996       {
 997         if(atoi(sets[n+1]) > 0)
 998         if(atoi(sets[n+1]) < 17)
 999         ramsettings[7] = atoi(sets[n+1])-1;
1000       }
1001       if(strcmp(sets[n],comps[13]) == 0)
1002       {
1003         if(atoi(sets[n+1]) > 0)
1004         if(atoi(sets[n+1]) < 65536)
1005         ramsettings[8] = atoi(sets[n+1])-1;
1006       }
1007       if(strcmp(sets[n],comps[14]) == 0)
1008       {
1009         if(atoi(sets[n+1]) > 0)
1010         if(atoi(sets[n+1]) < 9)
1011         ramsettings[9] = atoi(sets[n+1])-1;
1012       }
1013       if(strcmp(sets[n],comps[15]) == 0)
1014       {
1015         run = 1;
1016         runfile = sets[n+1];
1017       }
1018       if(strcmp(sets[n],comps[16]) == 0)
1019       {
1020         if(atoi(sets[n+1]) >= 33)
1021         if(atoi(sets[n+1]) <= 340)
1022         daemonsettings[0] = atoi(sets[n+1]);
1023       }
1024       if(strcmp(sets[n],comps[17]) == 0)
1025       {
1026         if(atoi(sets[n+1]) >= 33)
1027         if(atoi(sets[n+1]) <= 340)
1028         daemonsettings[1] = atoi(sets[n+1]);
1029       }
1030       if(strcmp(sets[n],comps[18]) == 0)
1031       {
1032         if(atoi(sets[n+1]) >= daemonsettings[1])
1033         if(atoi(sets[n+1]) <= 340)
1034         daemonsettings[2] = atoi(sets[n+1]);
1035       }
1036       if(strcmp(sets[n],comps[19]) == 0)
1037       {
1038         daemonsettings[3] = (int)(atof(sets[n+1])*10+0.5);
1039         if(daemonsettings[3] < 1)
1040             daemonsettings[3] = 5;
1041       }
1042       if(strcmp(sets[n],comps[20]) == 0)
1043       {
1044         daemonsettings[4] = parse_key_sequence(sets[n+1]);
1045       }
1046       if(strcmp(sets[n],comps[21]) == 0)
1047       {
1048         daemonsettings[5] = parse_key_sequence(sets[n+1]);
1049       }
1050       if(strcmp(sets[n],comps[22]) == 0)
1051       {
1052         daemonsettings[6] = parse_key_sequence(sets[n+1]);
1053       }
1054       if(strcmp(sets[n],comps[23]) == 0)
1055       {
1056         daemonsettings[7] = (sets[n+1][1] == 'n' ? 1 : 0);
1057       }
1058       if(strcmp(sets[n],comps[24]) == 0)
1059       {
1060         start_daemon = 1;
1061       }
1062     }
1063   }
1064
1065   if(run == 1)
1066   {
1067     if (cpusettings[0] > -1) set_FCLK(cpusettings[0]);
1068     if (cpusettings[1] > -1) set_920_Div(cpusettings[1]);
1069     if (dispsettings[0] == 0)
1070     if (dispsettings[1] > -100) set_add_FLCDCLK(dispsettings[1]);
1071     if (dispsettings[0] == 1)
1072     if (dispsettings[1] > -100) set_add_ULCDCLK(dispsettings[1]);
1073     if (dispsettings[2] > -1) set_gamma((float)(dispsettings[2]/100));
1074     if (ramsettings[0] > -1) set_CAS(ramsettings[0]);
1075     if (ramsettings[1] > -1) set_tRC(ramsettings[1]);
1076     if (ramsettings[2] > -1) set_tRAS(ramsettings[2]);
1077     if (ramsettings[3] > -1) set_tWR(ramsettings[3]);
1078     if (ramsettings[4] > -1) set_tMRD(ramsettings[4]);
1079     if (ramsettings[5] > -1) set_tRFC(ramsettings[5]);
1080     if (ramsettings[6] > -1) set_tRP(ramsettings[6]);
1081     if (ramsettings[7] > -1) set_tRCD(ramsettings[7]);
1082     if (ramsettings[8] > -1) set_REFPERD(ramsettings[8]);
1083     if (ramsettings[9] > -1) set_DCLK_Div(ramsettings[9]);
1084     exit_cpu_speed(runfile);
1085     return 0;
1086   }
1087
1088   sysfreq=get_freq_920_CLK();
1089   sysfreq*=get_920_Div()+1;
1090   cpufreq=sysfreq/1000000;
1091
1092 #if 0
1093   if(argc > 1)
1094   {
1095     if(strcmp(argv[1], "0") == 0) fallback(argc, argv);
1096     else if(strcmp(argv[1], "1") == 0) fallback(argc, argv);
1097     else if(strcmp(argv[1], "--help") == 0) cmdhelp();
1098     else if(strcmp(argv[1], "--daemon") == 0) cmd_daemon(argc, argv);
1099     else if(strcmp(argv[1], "--kill-daemon") == 0) kill_running_daemon() || printf("no daemon running\r\n");
1100     else if(strcmp(argv[1], "--kill") == 0) kill_running_daemon() || printf("no daemon running\r\n");
1101     else cmdline(argc, argv);
1102     gp2x_deinit();
1103     return 0;
1104   }
1105 #endif
1106
1107   if(start_daemon)
1108       start_daemon_by_settings();
1109
1110   set_gamma(1.0);
1111
1112   do
1113   {
1114     cleardisp();
1115
1116     //main menu
1117     v_putcad(27,26,WHITE,COLORFONDO,"Y:Save to SD");
1118     v_putcad(2,27,WHITE,COLORFONDO,"Select: Set setting and quit");
1119     itemhelp("menu");
1120     if(mainmenupoint==0) v_putcad(2,6,0xffffff,TEXTBACK,"> CPU Clock");
1121     else v_putcad(2,6,0xffff,COLORFONDO,"> CPU Clock");
1122     if(mainmenupoint==1) v_putcad(2,8,0xffffff,TEXTBACK,"> Display Settings");
1123     else v_putcad(2,8,0xffff,COLORFONDO,"> Display Settings");
1124     if(mainmenupoint==2) v_putcad(2,10,0xffffff,TEXTBACK,"> RAM Settings");
1125     else v_putcad(2,10,0xffff,COLORFONDO,"> RAM Settings");
1126     if(mainmenupoint==3) v_putcad(2,12,0xffffff,TEXTBACK,"> Daemon");
1127     else v_putcad(2,12,0xffff,COLORFONDO,"> Daemon");
1128     v_putcad(2,17,0xffff00,COLORFONDO,"Information:");
1129     sprintf(cad,"Sys.-Frq: %u Hz",sysfreq);
1130     v_putcad(2,19,0xffffff,COLORFONDO,cad);
1131     sprintf(cad,"UCLK-Frq:  %u Hz",get_freq_UCLK());
1132     v_putcad(2,20,0xffffff,COLORFONDO,cad);
1133     sprintf(cad,"ACLK-Frq: %u Hz",get_freq_ACLK());
1134     v_putcad(2,21,0xffffff,COLORFONDO,cad);
1135     gp2x_video_flip();
1136
1137     while(1)
1138     {
1139       gp2x_nKeys=gp2x_joystick_read();
1140
1141       if((gp2x_nKeys & GP2X_START))
1142       {
1143         while(1)
1144         {
1145           gp2x_nKeys=gp2x_joystick_read();
1146           if(!(gp2x_nKeys & GP2X_START)) break;
1147         }
1148         exit_cpu_speed("gp2xmenu");
1149         return 0;
1150       }
1151
1152       if((gp2x_nKeys & GP2X_SELECT))
1153       {
1154         if (cpusettings[0] > -1)
1155         {
1156           set_FCLK(cpusettings[0]);
1157           set_920_Div(cpusettings[1]);
1158         }
1159         if (ramsettings[0] > -1)
1160         {
1161           set_CAS(ramsettings[0]);
1162           set_tRC(ramsettings[1]);
1163           set_tRAS(ramsettings[2]);
1164           set_tWR(ramsettings[3]);
1165           set_tMRD(ramsettings[4]);
1166           set_tRFC(ramsettings[5]);
1167           set_tRP(ramsettings[6]);
1168           set_tRCD(ramsettings[7]);
1169           set_REFPERD(ramsettings[8]);
1170           set_DCLK_Div(ramsettings[9]);
1171         }
1172         while(1)
1173         {
1174           gp2x_nKeys=gp2x_joystick_read();
1175           if(!(gp2x_nKeys & GP2X_START)) break;
1176         }
1177         exit_cpu_speed("gp2xmenu");
1178         return 0;
1179       }
1180
1181       if((gp2x_nKeys & GP2X_DOWN))
1182       {
1183         mainmenupoint=mainmenupoint+1;
1184         if(mainmenupoint>3) mainmenupoint=0;
1185         delay_us(200000);
1186         break;
1187       }
1188
1189       if((gp2x_nKeys & GP2X_UP))
1190       {
1191         mainmenupoint=mainmenupoint-1;
1192         if(mainmenupoint<0) mainmenupoint=3;
1193         delay_us(200000);
1194         break;
1195       }
1196
1197       if((gp2x_nKeys & GP2X_Y))
1198       {
1199         settings = fopen("./cpu_speed.cfg", "w");
1200         if(cpusettings[0] > -1)
1201         {
1202           fprintf(settings,"CPU-Clock\n%u\n", cpusettings[0]);
1203           fprintf(settings,"CPU-Div\n%i\n", cpusettings[1]+1);
1204         }
1205         if(dispsettings[0] > -1)
1206         {
1207           if(dispsettings[0] == 0) fprintf(settings,"FPLL\n%i\n", dispsettings[1]);
1208           if(dispsettings[0] == 1) fprintf(settings,"UPLL\n%i\n", dispsettings[1]);
1209         fprintf(settings,"Gamma\n%.2f\n", (float)(dispsettings[2]/100));
1210         }
1211         if(ramsettings[0] > -1)
1212         {
1213         fprintf(settings,"CAS\n%i\n", ramsettings[0]+2);
1214         fprintf(settings,"tRC\n%i\n", ramsettings[1]+1);
1215         fprintf(settings,"tRAS\n%i\n", ramsettings[2]+1);
1216         fprintf(settings,"tWR\n%i\n", ramsettings[3]+1);
1217         fprintf(settings,"tMRD\n%i\n", ramsettings[4]+1);
1218         fprintf(settings,"tRFC\n%i\n", ramsettings[5]+1);
1219         fprintf(settings,"tRP\n%i\n", ramsettings[6]+1);
1220         fprintf(settings,"tRCD\n%i\n", ramsettings[7]+1);
1221         fprintf(settings,"Refresh-Period\n%i\n", ramsettings[8]+1);
1222         fprintf(settings,"RAM-Div\n%i\n", ramsettings[9]+1);
1223         }
1224         if(daemonsettings[0] > -1)
1225         {
1226             fprintf(settings,"Daemon-Min\n%i\n", daemonsettings[0]);
1227             fprintf(settings,"Daemon-Max\n%i\n", daemonsettings[1]);
1228             fprintf(settings,"Daemon-Step\n%i\n", daemonsettings[2]);
1229             fprintf(settings,"Daemon-Delay\n%.1f\n", daemonsettings[3]/10.f);
1230
1231             char test[256];
1232             sprintf(test,"");
1233             formatkey(test,daemonsettings[4]);
1234             fprintf(settings,"Daemon-Hotkey\n%s\n",test);
1235             sprintf(test,"");
1236             formatkey(test,daemonsettings[5]);
1237             fprintf(settings,"Daemon-Incr-Key\n%s\n",test);
1238             sprintf(test,"");
1239             formatkey(test,daemonsettings[6]);
1240             fprintf(settings,"Daemon-Decr-Key\n%s\n",test);
1241
1242             fprintf(settings,"Daemon-OSD\n%s\n",(daemonsettings[7]?"On":"Off"));
1243             if(!access("/tmp/cpu_daemon.pid",R_OK))
1244                 fprintf(settings,"Daemon-Run\nOn\n");
1245
1246         }
1247
1248
1249         fclose(settings);
1250         system("sync");
1251         while(1)
1252         {
1253           gp2x_nKeys=gp2x_joystick_read();
1254           if(!(gp2x_nKeys & GP2X_Y)) break;
1255         }
1256         break;
1257       }
1258
1259
1260       if((gp2x_nKeys & GP2X_B))
1261       {
1262         if(mainmenupoint==0) cpumenu();
1263         if(mainmenupoint==1) lcdmenu();
1264         if(mainmenupoint==2) rammenu();
1265         if(mainmenupoint==3) daemonmenu();
1266         while(1)
1267         {
1268           gp2x_nKeys=gp2x_joystick_read();
1269           if(!(gp2x_nKeys & GP2X_B)) break;
1270         }
1271         break;
1272       }
1273     }
1274   }
1275   while(cpuspeed_exit == 0);
1276 }