dc550_phonesm_program.c

一款经典的数字电话设计资料

                phonesm_program_cursorfield--;
                phonesm_program_menu_display();
              }
            }
            break;
          case MENU_TIMEDATEFORMAT_ENTRY:
            switch(phonesm_program_enteredformat) {
              case TIMEDATEFORMAT_NONE:
                phonesm_program_enteredformat = TIMEDATEFORMAT_DD_MMM_HH_MM;
                break;
              case TIMEDATEFORMAT_MM_DD_YY_HH_MMP:
                phonesm_program_enteredformat = TIMEDATEFORMAT_NONE;
                break;
              case TIMEDATEFORMAT_DD_MM_YY_HH_MMP:
                phonesm_program_enteredformat = TIMEDATEFORMAT_MM_DD_YY_HH_MMP;
                break;
              case TIMEDATEFORMAT_MMM_DD_HH_MMP:
                phonesm_program_enteredformat = TIMEDATEFORMAT_DD_MM_YY_HH_MMP;
                break;
              case TIMEDATEFORMAT_DD_MMM_HH_MMP:
                phonesm_program_enteredformat = TIMEDATEFORMAT_MMM_DD_HH_MMP;
                break;
              case TIMEDATEFORMAT_MMM_DD_HH_MM:
                phonesm_program_enteredformat = TIMEDATEFORMAT_DD_MMM_HH_MMP;
                break;
              case TIMEDATEFORMAT_DD_MMM_HH_MM:
              default:
                phonesm_program_enteredformat = TIMEDATEFORMAT_MMM_DD_HH_MM;
                break;
            }
            phonesm_program_menu_display();
            break;
          case MENU_TIMEDATESET_ENTRY:
            switch(phonesm_program_cursorfield) {
              case 10:
                phonesm_program_cursorfield = 8;
                phonesm_program_menu_display();
                break;
              case 9:
              case 8:
                phonesm_program_cursorfield = 6;
                phonesm_program_menu_display();
                break;
              case 7:
              case 6:
                phonesm_program_cursorfield = 4;
                phonesm_program_menu_display();
                break;
              case 5:
              case 4:
                phonesm_program_cursorfield = 2;
                phonesm_program_menu_display();
                break;
              case 3:
              case 2:
              default:
                phonesm_program_cursorfield = 0;
                phonesm_program_menu_display();
                break;
            }
            break;
          case MENU_PREDIAL_ENTRY:
            if(phonesm_program_enteredpredial)
              phonesm_program_enteredpredial = FALSE;
            else
              phonesm_program_enteredpredial = TRUE;
            phonesm_program_menu_display();
            break;
          case MENU_CALLTIMER_ENTRY:          
            if(phonesm_program_enteredcalltimer)
              phonesm_program_enteredcalltimer = FALSE;
            else
              phonesm_program_enteredcalltimer = TRUE;
            phonesm_program_menu_display();
            break;
          case MENU_AUTOMUTE_ENTRY:
            if(phonesm_program_enteredautomute)
              phonesm_program_enteredautomute = FALSE;
            else
              phonesm_program_enteredautomute = TRUE;
            phonesm_program_menu_display();
            break;
        }
        return 0;
        
      /***** VOLUME UP KEY ***************************************************/
      case KEYPAD_VOLUME_UP:
        phonesm_program_periodtimeout = PHONESM_PROGRAM_TIMEOUT;
        switch(phonesm_program_currentmenu) {
          case MENU_ALERTERVOLUME_ENTRY:
          case MENU_HANDSETVOLUME_ENTRY:
          case MENU_HEADSETVOLUME_ENTRY:
          case MENU_SPEAKERVOLUME_ENTRY:
            if(phonesm_program_currentvolumelevel < 15) {
              phonesm_program_currentvolumelevel += 1;
              phonesm_program_menu_display();
            }
            break;
          default:
            break;
        }
        return 0;

      /***** VOLUME DOWN KEY *************************************************/
      case KEYPAD_VOLUME_DOWN:
        phonesm_program_periodtimeout = PHONESM_PROGRAM_TIMEOUT;
        switch(phonesm_program_currentmenu) {
          case MENU_ALERTERVOLUME_ENTRY:
          case MENU_HANDSETVOLUME_ENTRY:
          case MENU_HEADSETVOLUME_ENTRY:
          case MENU_SPEAKERVOLUME_ENTRY:
            if(phonesm_program_currentvolumelevel > 0) {
              phonesm_program_currentvolumelevel -= 1;
              phonesm_program_menu_display();
            }
            break;
          default:
            break;
        }
        return 0;
      
      // These keys exit the Program State
      case KEYPAD_AUDIO_HEADSET:
      case KEYPAD_AUDIO_SPEAKER:
        phonesm_program_state_exit();
        phonesm_deactivate_state(PHONESM_STATE_PROGRAM);
        return 1;
      
      // These keys do nothing
      case KEYPAD_FEATURE_01:
      case KEYPAD_FEATURE_02:
      case KEYPAD_FEATURE_03:
      case KEYPAD_FEATURE_04:
      case KEYPAD_FEATURE_05:
      case KEYPAD_FEATURE_06:
      case KEYPAD_FEATURE_07:
      case KEYPAD_FEATURE_08:
      case KEYPAD_FEATURE_09:
      case KEYPAD_FEATURE_10:
      case KEYPAD_FEATURE_11:
      case KEYPAD_FEATURE_VOICEMAIL:
      case KEYPAD_LOCAL_STORENUM:
      case KEYPAD_LOCAL_MEMORY:
      case KEYPAD_FEATURE_HOLD:
      case KEYPAD_AUDIO_MUTE:
        return 0;
    }
  }
  
  return 0;
}


/******************************************************************************
 *  FUNCTION: BOOL phonesm_program_exec_modemcommand(DC550MDCMessage command)
 ******************************************************************************
 *  DESCRIPTION:
 *  This function is called when the phone receives a modem command while
 *  in the Program State.  This function returns 1 if the keypress causes a
 *  Phone SM state change and 0 otherwise.  This function evaluates the
 *  command against every possible modem command.  If code efficiency were
 *  not as much of a concern, this function might have been split into
 *  several functions.
 *****************************************************************************/
BOOL phonesm_program_exec_modemcommand(DC550MDCMessage command) {
  switch(command) {
    // The Reset commands will simply propagate down to the Idle State
    case MDC_DMS_SOFT_RESET:
    case MDC_DMS_HARD_RESET:
    case MDC_DMS_SAVE_INDICATOR_RESET:
      switch(phonesm_program_exitstate) {
        case PHONESM_STATE_IDLE:
          phonesm_idle_exec_modemcommand(command);
          return 0;
        default:
          // This should never happen
          // Exit this state
          phonesm_program_state_exit();
          phonesm_deactivate_state(PHONESM_STATE_PROGRAM);
          return 1;
      }

    // The Open Echo, Close Echo, Voice Off, Handset Off, Handsfree Off, Alert 
    // Off, and Buzzer Off commands should never be received in this state.  If
    // they are received, nothing happens.
    case MDC_DMS_OPEN_ECHO:
    case MDC_DMS_CLOSE_ECHO:
    case MDC_DMS_VOICE_OFF:
    case MDC_DMS_HANDSET_OFF:
    case MDC_DMS_HANDSFREE_OFF:
    case MDC_DMS_ALERT_OFF:
    case MDC_DMS_BUZZER_OFF:
      // These commands should do nothing
      return 0;

    // The commands that turn audio on will cause the phone to exit the Program
    // State.  In general, these commands are used for incoming calls, incoming
    // intercoms, and the like.
    case MDC_DMS_VOICE_ON:
    case MDC_DMS_HANDSET_ON:
    case MDC_DMS_HANDSFREE_ON:
    case MDC_DMS_ALERT_ON:
    case MDC_DMS_BUZZER_ON:
      phonesm_program_state_exit();
      phonesm_deactivate_state(PHONESM_STATE_PROGRAM);
      return 1;
      
    // All of the LED commands will simply be passed down to the Idle State
    case MDC_DMS_INDICATOR_KEY01_OFF:
    case MDC_DMS_INDICATOR_KEY01_WINK:
    case MDC_DMS_INDICATOR_KEY01_FLASH:
    case MDC_DMS_INDICATOR_KEY01_ON:
    case MDC_DMS_INDICATOR_KEY02_OFF:
    case MDC_DMS_INDICATOR_KEY02_WINK:
    case MDC_DMS_INDICATOR_KEY02_FLASH:
    case MDC_DMS_INDICATOR_KEY02_ON:
    case MDC_DMS_INDICATOR_KEY03_OFF:
    case MDC_DMS_INDICATOR_KEY03_WINK:
    case MDC_DMS_INDICATOR_KEY03_FLASH:
    case MDC_DMS_INDICATOR_KEY03_ON:
    case MDC_DMS_INDICATOR_KEY04_OFF:
    case MDC_DMS_INDICATOR_KEY04_WINK:
    case MDC_DMS_INDICATOR_KEY04_FLASH:
    case MDC_DMS_INDICATOR_KEY04_ON:
    case MDC_DMS_INDICATOR_KEY05_OFF:
    case MDC_DMS_INDICATOR_KEY05_WINK:
    case MDC_DMS_INDICATOR_KEY05_FLASH:
    case MDC_DMS_INDICATOR_KEY05_ON:
    case MDC_DMS_INDICATOR_KEY06_OFF:
    case MDC_DMS_INDICATOR_KEY06_WINK:
    case MDC_DMS_INDICATOR_KEY06_FLASH:
    case MDC_DMS_INDICATOR_KEY06_ON:
    case MDC_DMS_INDICATOR_KEY07_OFF:
    case MDC_DMS_INDICATOR_KEY07_WINK:
    case MDC_DMS_INDICATOR_KEY07_FLASH:
    case MDC_DMS_INDICATOR_KEY07_ON:
    case MDC_DMS_INDICATOR_KEY08_OFF:
    case MDC_DMS_INDICATOR_KEY08_WINK:
    case MDC_DMS_INDICATOR_KEY08_FLASH:
    case MDC_DMS_INDICATOR_KEY08_ON:
    case MDC_DMS_INDICATOR_KEY09_OFF:
    case MDC_DMS_INDICATOR_KEY09_WINK:
    case MDC_DMS_INDICATOR_KEY09_FLASH:
    case MDC_DMS_INDICATOR_KEY09_ON:
    case MDC_DMS_INDICATOR_KEY10_OFF:
    case MDC_DMS_INDICATOR_KEY10_WINK:
    case MDC_DMS_INDICATOR_KEY10_FLASH:
    case MDC_DMS_INDICATOR_KEY10_ON:
    case MDC_DMS_INDICATOR_KEY11_OFF:
    case MDC_DMS_INDICATOR_KEY11_WINK:
    case MDC_DMS_INDICATOR_KEY11_FLASH:
    case MDC_DMS_INDICATOR_KEY11_ON:
    case MDC_DMS_INDICATOR_KEY12_OFF:    // The Idle State always owns the
    case MDC_DMS_INDICATOR_KEY12_WINK:   // Voicemail Key except when the
    case MDC_DMS_INDICATOR_KEY12_FLASH:  // Active State is active
    case MDC_DMS_INDICATOR_KEY12_ON:
    case MDC_DMS_INDICATOR_KEY13_OFF:
    case MDC_DMS_INDICATOR_KEY13_WINK:
    case MDC_DMS_INDICATOR_KEY13_FLASH:
    case MDC_DMS_INDICATOR_KEY13_ON:
    case MDC_DMS_INDICATOR_KEY14_OFF:
    case MDC_DMS_INDICATOR_KEY14_WINK:
    case MDC_DMS_INDICATOR_KEY14_FLASH:
    case MDC_DMS_INDICATOR_KEY14_ON:
      switch(phonesm_program_exitstate) {
        case PHONESM_STATE_IDLE:
          phonesm_idle_exec_modemcommand(command);
          return 0;
        default:
          // This should never happen
          // Exit this state
          phonesm_program_state_exit();
          phonesm_deactivate_state(PHONESM_STATE_PROGRAM);
          return 1;
      }
 
    // The display commands will cause the phone to exit the Program State
    case MDC_DMS_CLEAR_WORKING_BUFFER:
    case MDC_DMS_CLEAR_DISPLAY:
    case MDC_DMS_CLEAR_WB_LINE0:
    case MDC_DMS_CLEAR_WB_LINE1:
    case MDC_DMS_ENABLE_DIGIT_ECHOING_TYPE1:
    case MDC_DMS_ENABLE_DIGIT_ECHOING_TYPE2:
    case MDC_DMS_CLEAR_WB_IN12SECONDS:
    case MDC_DMS_DISABLE_DISPLAY_CURSOR:
    case MDC_DMS_DISABLE_DISPLAY_ECHOING:
    case MDC_DMS_DISABLE_DISPLAY:
    case MDC_DMS_POWER_DOWN_DISPLAY:
    case MDC_DMS_ENABLE_DISPLAY:
    case MDC_DMS_ENABLE_DISPLAY_CURSOR:
    case MDC_DMS_DISPLAY_RESET:
    case MDC_DMS_RESUME_DIGIT_ECHOING:
    case MDC_DMS_TRANSMIT_DISPLAY_STATUS:
    case MDC_DMS_WB_CURSOR_TO_P0:
    case MDC_DMS_WB_CURSOR_TO_P24:
      phonesm_program_state_exit();
      phonesm_deactivate_state(PHONESM_STATE_PROGRAM);
      return 1;
    default:
      if(command >= MDC_DMC_CHARACTER_MASK) {
        phonesm_program_state_exit();
        phonesm_deactivate_state(PHONESM_STATE_PROGRAM);
        return 1;
      }
      else
        // This is an unrecognized command.
        return 0;
  }
}


/******************************************************************************
 *  FUNCTION:
 *  BOOL phonesm_program_exec_periodic(BOOL firstline, BOOL secondline)
 ******************************************************************************
 *  DESCRIPTION:
 *  This function is called periodically when the phone is in Program State.
 *  This function does two things:
 *  1. If the predial state is on top, decrement the period counter and exit
 *     the state if the period counter reaches 0