ui_updown.c

   1 /*
   2  * OpenI2CRADIO
   3  * Up-down UI routine.
   4  * Copyright (C) 2013-06-10 K.Ohta <whatisthis.sowhat ai gmail.com>
   5  * License: GPL2+LE
   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,
  10  *  or (at your option) any later version.
  11  *  This library / program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14  *  See the GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this library; see the file COPYING. If not, write to the
  18  *  Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
  19  *  MA 02110-1301, USA.
  20  *
  21  *  As a special exception, if you link this(includeed from sdcc) library
  22  *  with other files, some of which are compiled with SDCC,
  23  *  to produce an executable, this library does not by itself cause
  24  *  the resulting executable to be covered by the GNU General Public License.
  25  *  This exception does not however invalidate any other reasons why
  26  *  the executable file might be covered by the GNU General Public License.
  27  */
  28
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #if defined(__SDCC)
  34 #include <sdcc-lib.h>
  35 #include <pic18fregs.h> /* ONLY FOR PIC18x */
  36 #include <delay.h>
  37 #else
  38 #include <xc.h>
  39 #endif
  40 #include <signal.h>
  41
  42 #include "iodef.h"
  43 #include "idle.h"
  44 #include "i2c_io.h"
  45 #include "akc6955.h"
  46 #include "lcd_acm1602.h"
  47 #include "ui.h"
  48 #include "eeprom.h"
  49 #include "ioports.h"
  50 #include "menu.h"
  51 #include "menu_memoryfreq.h"
  52 #include "power.h"
  53 #include "adc_int.h"
  54 #include "backlight.h"
  55
  56 static void setfreq_updown_amsub(void)
  57 {
  58     if(setup.amband >= AKC6955_BAND_AMEND) {
  59         setup.amband = 0;
  60     }
  61     akc6955_set_amband(setup.amband);
  62     setup.amfreq = setup.amfreq_bank[setup.amband];
  63 //    idle_time_62_5ms(); // 62.5ms
  64     ClrWdt();
  65     akc6955_set_freq(setup.amfreq);
  66 }
  67
  68 static void setfreq_updown_fmsub(void)
  69 {
  70     if(setup.fmband >= AKC6955_BAND_FMEND) {
  71         setup.fmband = 0;
  72     }
  73     akc6955_set_fmband(setup.fmband);
  74     setup.fmfreq = setup.fmfreq_bank[setup.fmband];
  75 //    idle_time_62_5ms(); // 62.5ms
  76     ClrWdt();
  77     akc6955_set_freq(setup.fmfreq);
  78 }
  79
  80 static void setband_updown(unsigned char updown)
  81 {
  82     unsigned char band;
  83     if(setup.fm == 0){  // MW
  84         band = setup.amband + 1;
  85         if(setup.amband == AKC6955_BAND_AMUSER){
  86             userband.am_usrbands[setup.am_userbandnum].freq = setup.amfreq;
  87         }
  88         setup.amfreq_bank[setup.amband] = setup.amfreq;
  89         if(updown == 0) { // down
  90             if(band <= 1) {
  91                 band = AKC6955_BAND_AMEND + 1;
  92             }
  93             band -= 2;
  94         }
  95         setup.amband = band;
  96         switch(setup.amband) {
  97          case AKC6955_BAND_LW:
  98          case AKC6955_BAND_MW2:
  99            setup.am_mode3k = 0xff;
 100            break;
 101          case AKC6955_BAND_MW1:
 102          case AKC6955_BAND_MW3:
 103          case AKC6955_BAND_MW4:
 104            setup.am_mode3k = 0x00;
 105            break;
 106          case AKC6955_BAND_AMUSER:
 107            call_userband(setup.am_userbandnum);
 108            break;
 109          default:
 110            break;
 111         }
 112         setfreq_updown_amsub();
 113     } else { // FM
 114         if(setup.fmband == AKC6955_BAND_FMUSER){
 115             userband.fm_usrbands[setup.fm_userbandnum].freq = setup.fmfreq;
 116         }
 117         band = setup.fmband + 1;
 118         setup.fmfreq_bank[setup.fmband] = setup.fmfreq;
 119         if(updown == 0) { // down
 120             if(band <= 1) {
 121                 band = AKC6955_BAND_FMEND + 1;
 122             }
 123             band -= 2;
 124         }
 125         setup.fmband = band;
 126         if(setup.fmband == AKC6955_BAND_FMUSER){
 127    //         setup.fmfreq = fm_usrbands[fm_userbandnum].freq;
 128             call_userband(setup.fm_userbandnum);
 129         }
 130         setfreq_updown_fmsub();
 131     }
 132 }
 133
 134 void setfreq_updown(unsigned char ctlword)
 135 {
 136     unsigned int freq;
 137     unsigned int start, end;
 138
 139     backlight_reset(ctlword);
 140
 141     update_status();
 142     switch(ctlword){
 143         case charcode_8: // Up band
 144             setband_updown(0xff);
 145             break;
 146         case charcode_2: // Down band
 147             setband_updown(0x00);
 148             break;
 149         case charcode_6: // Up Middle;
 150         case charcode_4: // Down Middle;
 151             freq = 9; // 27KHz@3K/9KStep.
 152             if(setup.fm != 0) {
 153                switch(setup.fm_tunepitch & 3) {
 154                 case 3:
 155                   freq = 20; // 500KHz excepts TV1/TV2.
 156                   if((setup.fmband == AKC6955_BAND_TV1) || (setup.fmband == AKC6955_BAND_TV2)) {
 157                        freq = 10; // 250KHz
 158                   }
 159                   break;
 160                 default:
 161                   freq = 10; // 250KHz
 162                   break;
 163                }
 164             } else if(setup.am_mode3k == 0){
 165                 freq = 6; // 30KHz
 166             }
 167             if(ctlword == charcode_6) {
 168                akc6955_up_freq(freq); // 225 or 27 or 45KHz
 169             } else {
 170                akc6955_down_freq(freq); // 225 or 27 or 45KHz
 171             }
 172             break;
 173         case charcode_9: // Up Fast;
 174         case charcode_7: // Down Fast;
 175             freq = 33; // 99KHz@3K/9KStep.
 176             if(setup.fm != 0){
 177                switch(setup.fm_tunepitch & 3) {
 178                 case 3:
 179                   freq = 80; // 2MHz excepts TV1/TV2.
 180                   if((setup.fmband == AKC6955_BAND_TV1) || (setup.fmband == AKC6955_BAND_TV2)) {
 181                        freq = 40; // 1MHz
 182                   }
 183                   break;
 184                 default:
 185                   freq = 40; // 1MHz
 186                   break;
 187                }
 188             } else if(setup.am_mode3k == 0){
 189                 freq = 20; // 100KHz
 190             }
 191             if(ctlword == charcode_9) {
 192                akc6955_up_freq(freq); // 825 or 90 or 165KHz
 193             } else {
 194                akc6955_down_freq(freq); // 825 or 90 or 165KHz
 195             }
 196             break;
 197         case charcode_3: // Up Slow;
 198         case charcode_1: // Down Slow;
 199             if(setup.fm != 0){
 200                switch(setup.fm_tunepitch & 3) {
 201                 case 0:
 202                   freq = 1; // 25KHz
 203                   break;
 204                 case 1:
 205                   freq = 2; // 50KHz
 206                   break;
 207                 case 2:
 208                   freq = 4; // 100KHz
 209                   break;
 210                 default:
 211                   freq = 8; // 200KHz excepts TV1/TV2.
 212                   if((setup.fmband == AKC6955_BAND_TV1) || (setup.fmband == AKC6955_BAND_TV2)) {
 213                        freq = 4; // 100KHz
 214                   }
 215                   break;
 216                }
 217             } else {
 218                 freq = 1; // 5KHz or 3KHz
 219                 if(setup.amband == AKC6955_BAND_MW2) {
 220                     freq = 3; // 9KHz
 221                 } else if((setup.amband == AKC6955_BAND_MW3) || (setup.amband == AKC6955_BAND_MW4)) {
 222                     freq = 2; // 10KHz
 223                 }
 224             }
 225             if(ctlword == charcode_1) {
 226                akc6955_down_freq(freq);
 227             } else {
 228                akc6955_up_freq(freq);
 229             }
 230             break;
 231         case charcode_0: // Step
 232             setup.threshold_width++;
 233             akc6955_set_thresh_width(setup.threshold_width);
 234             akc6955_do_tune();
 235             break;
 236         case charcode_a: // Toggle FM
 237             toggle_amfm();
 238             break;
 239         case charcode_b:
 240 //            set_volume();
 241              on_updown_userfreq();
 242             break;
 243         case charcode_c:
 244             // Scan
 245             scan_start();
 246             break;
 247         case charcode_d:
 248             // FM Narrow/Wide
 249             set_stereo();
 250             break;
 251         case charcode_5:
 252             main_menu();
 253             break;
 254         case charcode_f:
 255             updown_help();
 256             _CLS();
 257             _LOCATE(0,0);
 258             break;
 259         default:
 260             break;
 261     }
 262 }