LC_baseTools/serialStr.cpp at master · leftCoast/LC_baseTools · GitHub

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#include "serialStr.h"

#include <resizeBuff.h>

// Constructor, set up all the fun bits and allocate a buffer for the text.

serialStr::serialStr(Stream* inPort,char endChar,int numBytes) {

port = inPort;

index = 0;

EOL = endChar;

bytes = numBytes;

overrun = false;

resizeBuff(numBytes,&buff);

}

// Destructor, recycle the buffer.

serialStr::~serialStr(void) { resizeBuff(0,&buff); }

// Take in the callback function pointer. While we're at it, do the hookup() call for

// doing idle function.

//void serialStr::setCallback(void(*funct)(const char*)) {

void serialStr::setCallback(void(*funct)(char*)) {

callback = funct;

hookup();

}

// All the work happens in idle(). Basically check for a char to come in, save it if we

// can. Or tell the user if its on EOT char and start over.

void serialStr::idle(void) {

char aChar;

if (buff) { // If we have a buffer to put things in..

if (port->available()) { // If there is a char in the waiting to be read..

aChar = port->read(); // Grab and save the char.

if (aChar==EOL) { // If its a newline char..

callback(buff); // Call our callback with the buffer.

overrun = false; // If set, clear the overrun flag.

buff[0] = '\0'; // Clear the inBuff string.

index = 0; // Reset the index to start a new number string.

} else { // Else, it wasn't a newline char..

if (index<(bytes-1)) { // If we have room in the buffer..

buff[index++] = aChar; // So we save the char we got into the c string.

buff[index] = '\0'; // And pop an end of string after it.

} else { // Else, we ran out of room in the buffer!

overrun = true; // Just blew past the buffer.

}

// We can ask if there was an overrun. This will return true if there was. Does not clear

// the overrun. Although it probably should.

bool serialStr::hadOverrun(void) { return overrun; }

LC_baseTools/serialStr.cpp at master · leftCoast/LC_baseTools · GitHub

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