Colony

/**

 *

 *  @author Jason Knichel

 *

 *  3/22/07

 */

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include "includes/Buzzer.h"

Buzzer::Buzzer()

{

}

void Buzzer::printUsage()

{

  printf("\nUsage of the \"buzzer\" command:\n");

  printf("buzzer init\n");

  printf("buzzer setValue <value>\n");

  printf("buzzer setFreq <frequency>\n");

  printf("buzzer chirp\n");

  printf("buzzer off\n");

  printf("\n");

}

int Buzzer::parseCommand(char tokens[MAX_TOKENS][MAX_TOKEN_SIZE], int numTokens, Server server)

{

  if (numTokens < 2)

    {

      printf("Error: The buzzer command did not contain enough fields.\n");

      return -1;

    }

  char buffer[MAX_COMMAND_LEN];

  buffer[0] = '\0';

  snprintf(buffer,MAX_COMMAND_LEN, "%d ", SEND_TO_ROBOT);

  int len = strlen(buffer);

  if (strcmp(tokens[1], "init") == 0)

    {

      snprintf(buffer+len, MAX_COMMAND_LEN - len, "%d", BUZZER_INIT);

    }

  else if (strcmp(tokens[1], "setValue") == 0 || strcmp(tokens[1], "setFreq") == 0)

    {

      if (numTokens < 3)

        {

          printf("Error: That buzzer command needs arguments.\n");

          return -1;

        }

      char * endPtr = NULL;

      int value = strtol(tokens[2], &endPtr, 10);

      if (tokens[2][0] == '\0' || *endPtr != '\0')

        {

          printf("Error: The specified value was invalid.\n");

          return -1;

        }

      if (strcmp(tokens[1], "setValue") == 0)

        {

          snprintf(buffer+len, MAX_COMMAND_LEN - len, "%d %d", BUZZER_SET_VAL, value);

        }

      else

        {

          snprintf(buffer+len, MAX_COMMAND_LEN - len, "%d %d", BUZZER_SET_FREQ, value);

        }

    }

  else if (strcmp(tokens[1], "chirp") == 0)

    {

      snprintf(buffer+len, MAX_COMMAND_LEN - len, "%d", BUZZER_CHIRP);

    }

  else if (strcmp(tokens[1], "off") == 0)

    {

      snprintf(buffer+len, MAX_COMMAND_LEN - len, "%d", BUZZER_OFF);

    }

  else

    {

      printf("Error: invalid buzzer command.\n");

      return -1;

    }

  //TODO: remove this print later

  printf("Command being sent to server:\n%s\n", buffer);

  server.sendMsg(buffer);

  return 0;

}