int _user_puts(char *s)
{
while(*s) {
_user_putc(*s++);
}
return 0;
}
// Retrieve a line of console-edited input
const char *_user_gets(void)
{
unsigned char i;
int c;
for (i = 0; i < 100; i++) // Maximum number of iterations (bails out early if no input)
{
c = _user_getc();
if (c <= 0) { break; }
if (c == 13) // CR
{
if (commEcho && c != 10) { _user_putc(c); }
serialBuffer[serialBufferLength] = '\0';
serialBufferLength = 0;
if (commEcho) { _user_putc(10); }
return serialBuffer;
}
else if (c == 8 || c == 127) // BS and DEL
{
if (serialBufferLength > 0)
{
if (commEcho && c != 10) { _user_putc(8); _user_putc(32); _user_putc(8); }
serialBufferLength--;
serialBuffer[serialBufferLength] = '\0';
}
}
else if (c == 10) // LF
{
; // ignore
}
else if (serialBufferLength + 1 < SERIAL_BUFFER_SIZE)
{
if (commEcho && c != 10) { _user_putc(c); }
serialBuffer[serialBufferLength] = (char)c;
serialBufferLength++;
serialBuffer[serialBufferLength] = '\0';
}
else
{
if (commEcho && c != 10) { _user_putc('\a'); }
; // Discard (out of buffer)
}
}
return NULL;
}
//transmit 0x55 to test baud rate of TX
void baud_test(void)
{
char test_byte = 't';
_user_putc(test_byte);
}
void _user_puthex1(int h1)
{
int c = h1 & 0x0f;
if(c>=10) c += ('a' - ('9'+1));
_user_putc('0'+c);
}
