bool TwitterParser::Parse(char a)
{
// move everything in the buffer down a slot
for (int i = 0; i < TWITTER_BUFFER_SIZE-2; i++)
{
m_buffer[i] = m_buffer[i+1];
}
// and add the new character
m_buffer[TWITTER_BUFFER_SIZE-2] = a;
m_buffer[TWITTER_BUFFER_SIZE-1] = '\0';
if (!m_foundTrigger)
{
// keep looking for the 'created_at":"' in the twitter stream
if (strstr(m_buffer, TWITTER_TRIGGER))
{
m_foundTrigger = true;
#ifdef DEBUG
m_printer->println("found trigger");
#endif // #ifdef DEBUG
m_printer->println(" ");
m_counter++;
}
}
else
{
// found 'created_at":"'
// look for tweet time, XX:XX:XX
if (isTimeFormat(m_buffer))
{
#ifdef DEBUG
m_printer->println("found time");
#endif // #ifdef DEBUG
// now found time of tweet, XX:XX:XX
m_foundTrigger = false;
if (m_counter == 1)
{
setTimeFromBuffer(m_time1, m_buffer);
}
else
{
setTimeFromBuffer(m_time2, m_buffer);
if (m_counter >= m_tweetsPerPage - 1)
{
return true;
}
}
}
}
return false;
}
/*
* SERIAL_HandleCalibrationData
* Reads calibration settings from serial and hands off processing to appropriate functions
*/
void SERIAL_HandleCalibrationData()
{
char next_byte = '\0';
if (Serial.available() > 0)
{
while(Serial.available() && next_byte != 'E')
{
next_byte = Serial.read();
s_strBuffer[s_index++] = next_byte;
}
if (next_byte=='E') // We read everything up to the byte 'E' which stands for END
{
int buffer_length = strlen(s_strBuffer); // We also find the length of the string so we know how many char to display
// Depending upon what came before we update different values
// To change the reference number we enter R00E, where 00 can be any number up to 99
for (int i = buffer_length; i>=0; i--) // Check the buffer from the end of the data, working backwards
{
if (s_strBuffer[i]=='R')
{
setReferenceFromBuffer(i);
}
if(s_strBuffer[i]=='T')
{
setTimeFromBuffer(i);
}
if(s_strBuffer[i]=='D')
{
setDateFromBuffer(i);
}
if(s_strBuffer[i]=='S')
{
setSampleTimeFromBuffer(i);
}
if(s_strBuffer[i]=='O')
{
VA_StoreNewCurrentOffset();
}
if(s_strBuffer[i]=='V' && s_strBuffer[i+1]=='1')
{
char temp[] = "000";
temp[0] = s_strBuffer[i+2];
temp[1] = s_strBuffer[i+3];
temp[2] = s_strBuffer[i+4];
int value = atoi(temp);
VA_StoreNewResistor1(value);
}
if(s_strBuffer[i]=='V' && s_strBuffer[i+1]=='2')
{
char temp[] = "000";
temp[0] = s_strBuffer[i+2];
temp[1] = s_strBuffer[i+3];
temp[2] = s_strBuffer[i+4];
int value = atoi(temp);
VA_StoreNewResistor2(value);
}
if(s_strBuffer[i]=='I')
{
char temp[] = "000";
temp[0] = s_strBuffer[i+1];
temp[1] = s_strBuffer[i+2];
temp[2] = s_strBuffer[i+3];
int value = atoi(temp);
VA_StoreNewCurrentGain(value);
}
if(s_strBuffer[i]=='W')
{
if (s_strBuffer[i+1]=='1')
{
WIND_SetWindvanePosition(true);
}
else if (s_strBuffer[i+1]=='0')
{
WIND_SetWindvanePosition(false);
}
}
}
s_strBuffer[0] = '\0';
s_index = 0; // Reset the buffer to be filled again
}
}
}
