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_mode3k(setup.am_mode3k);
  66     akc6955_set_freq(setup.amfreq);
  67 }
  68
  69 static void setfreq_updown_fmsub(void)
  70 {
  71     if(setup.fmband >= AKC6955_BAND_FMEND) {
  72         setup.fmband = 0;
  73     }
  74     akc6955_set_fmband(setup.fmband);
  75     setup.fmfreq = setup.fmfreq_bank[setup.fmband];
  76 //    idle_time_62_5ms(); // 62.5ms
  77     ClrWdt();
  78     akc6955_set_freq(setup.fmfreq);
  79 }
  80
  81 static void setband_updown(unsigned char updown)
  82 {
  83     unsigned char band;
  84     if(setup.fm == 0){  // MW
  85         band = setup.amband + 1;
  86         if(setup.amband == AKC6955_BAND_AMUSER){
  87             userband.am_usrbands[setup.am_userbandnum].freq = setup.amfreq;
  88         }
  89         setup.amfreq_bank[setup.amband] = setup.amfreq;
  90         if(updown == 0) { // down
  91             if(band <= 1) {
  92                 band = AKC6955_BAND_AMEND + 1;
  93             }
  94             band -= 2;
  95         }
  96         setup.amband = band;
  97         switch(setup.amband) {
  98          case AKC6955_BAND_LW:
  99          case AKC6955_BAND_MW2:
 100            setup.am_mode3k = 0xff;
 101            break;
 102          case AKC6955_BAND_AMUSER:
 103            call_userband(setup.am_userbandnum);
 104            break;
 105          default:
 106            setup.am_mode3k = 0x00;
 107            break;
 108         }
 109         setfreq_updown_amsub();
 110     } else { // FM
 111         if(setup.fmband == AKC6955_BAND_FMUSER){
 112             userband.fm_usrbands[setup.fm_userbandnum].freq = setup.fmfreq;
 113         }
 114         band = setup.fmband + 1;
 115         setup.fmfreq_bank[setup.fmband] = setup.fmfreq;
 116         if(updown == 0) { // down
 117             if(band <= 1) {
 118                 band = AKC6955_BAND_FMEND + 1;
 119             }
 120             band -= 2;
 121         }
 122         setup.fmband = band;
 123         if(setup.fmband == AKC6955_BAND_FMUSER){
 124    //         setup.fmfreq = fm_usrbands[fm_userbandnum].freq;
 125             call_userband(setup.fm_userbandnum);
 126         }
 127         setfreq_updown_fmsub();
 128     }
 129 }
 130
 131 void setfreq_updown(unsigned char ctlword)
 132 {
 133     unsigned int freq;
 134     unsigned int start, end;
 135
 136     backlight_reset(ctlword);
 137
 138     update_status();
 139     switch(ctlword){
 140         case charcode_8: // Up band
 141             setband_updown(0xff);
 142             break;
 143         case charcode_2: // Down band
 144             setband_updown(0x00);
 145             break;
 146         case charcode_6: // Up Middle;
 147         case charcode_4: // Down Middle;
 148             freq = 9; // 27KHz@3K/9KStep.
 149             if(setup.fm != 0) {
 150                switch(setup.fm_tunepitch & 3) {
 151                 case 3:
 152                   freq = 20; // 500KHz excepts TV1/TV2.
 153                   if((setup.fmband == AKC6955_BAND_TV1) || (setup.fmband == AKC6955_BAND_TV2)) {
 154                        freq = 10; // 250KHz
 155                   }
 156                   break;
 157                 default:
 158                   freq = 10; // 250KHz
 159                   break;
 160                }
 161             } else if(setup.am_mode3k == 0){
 162                 freq = 6; // 30KHz
 163             }
 164             if(ctlword == charcode_6) {
 165                akc6955_up_freq(freq); // 225 or 27 or 45KHz
 166             } else {
 167                akc6955_down_freq(freq); // 225 or 27 or 45KHz
 168             }
 169             break;
 170         case charcode_9: // Up Fast;
 171         case charcode_7: // Down Fast;
 172             freq = 33; // 99KHz@3K/9KStep.
 173             if(setup.fm != 0){
 174                switch(setup.fm_tunepitch & 3) {
 175                 case 3:
 176                   freq = 80; // 2MHz excepts TV1/TV2.
 177                   if((setup.fmband == AKC6955_BAND_TV1) || (setup.fmband == AKC6955_BAND_TV2)) {
 178                        freq = 40; // 1MHz
 179                   }
 180                   break;
 181                 default:
 182                   freq = 40; // 1MHz
 183                   break;
 184                }
 185             } else if(setup.am_mode3k == 0){
 186                 freq = 20; // 100KHz
 187             }
 188             if(ctlword == charcode_9) {
 189                akc6955_up_freq(freq); // 825 or 90 or 165KHz
 190             } else {
 191                akc6955_down_freq(freq); // 825 or 90 or 165KHz
 192             }
 193             break;
 194         case charcode_3: // Up Slow;
 195         case charcode_1: // Down Slow;
 196             if(setup.fm != 0){
 197                switch(setup.fm_tunepitch & 3) {
 198                 case 0:
 199                   freq = 1; // 25KHz
 200                   break;
 201                 case 1:
 202                   freq = 2; // 50KHz
 203                   break;
 204                 case 2:
 205                   freq = 4; // 100KHz
 206                   break;
 207                 default:
 208                   freq = 8; // 200KHz excepts TV1/TV2.
 209                   if((setup.fmband == AKC6955_BAND_TV1) || (setup.fmband == AKC6955_BAND_TV2)) {
 210                        freq = 4; // 100KHz
 211                   }
 212                   break;
 213                }
 214             } else {
 215                 freq = 1; // 5KHz or 3KHz
 216                 if(setup.amband == AKC6955_BAND_MW2) {
 217                     freq = 3; // 9KHz
 218                 } else if((setup.amband == AKC6955_BAND_MW3) || (setup.amband == AKC6955_BAND_MW4)) {
 219                     freq = 2; // 10KHz
 220                 }
 221             }
 222             if(ctlword == charcode_1) {
 223                akc6955_down_freq(freq);
 224             } else {
 225                akc6955_up_freq(freq);
 226             }
 227             break;
 228         case charcode_0: // Step
 229             setup.threshold_width++;
 230             akc6955_set_thresh_width(setup.threshold_width);
 231             akc6955_do_tune();
 232             break;
 233         case charcode_a: // Toggle FM
 234             toggle_amfm();
 235             break;
 236         case charcode_b:
 237 //            set_volume();
 238              on_updown_userfreq();
 239             break;
 240         case charcode_c:
 241             // Scan
 242             scan_start();
 243             break;
 244         case charcode_d:
 245             // FM Narrow/Wide
 246             set_stereo();
 247             break;
 248         case charcode_5:
 249             main_menu();
 250             break;
 251         case charcode_f:
 252             updown_help();
 253             _CLS();
 254             _LOCATE(0,0);
 255             break;
 256         default:
 257             break;
 258     }
 259 }