// SLIP parse a single character
static void ICACHE_FLASH_ATTR
slip_parse_char(char c) {
if (!slip_inpkt) {
if (c == SLIP_START) {
if (slip_len > 0) console_process(slip_buf, slip_len);
slip_reset();
slip_inpkt = true;
DBG("SLIP: start\n");
return;
}
} else if (slip_escaped) {
// prev char was SLIP_REPL
c = SLIP_ESC(c);
slip_escaped = false;
} else {
switch (c) {
case SLIP_REPL:
slip_escaped = true;
return;
case SLIP_END:
// end of packet, process it and get ready for next one
if (slip_len > 0) slip_process();
slip_reset();
return;
case SLIP_START:
os_printf("SLIP: got SLIP_START while in packet?\n");
//os_printf("SLIP: rcv %d:", slip_len);
//for (int i=0; i<slip_len; i++) os_printf(" %02x", slip_buf[i]);
//os_printf("\n");
slip_reset();
return;
}
}
if (slip_len < SLIP_MAX) slip_buf[slip_len++] = c;
}
static void ICACHE_FLASH_ATTR
CMD_ProtoWrite(uint8_t data) {
switch(data){
case SLIP_START:
case SLIP_END:
case SLIP_REPL:
uart0_write_char(SLIP_REPL);
uart0_write_char(SLIP_ESC(data));
break;
default:
uart0_write_char(data);
}
}
void ESP::write(uint8_t data)
{
switch(data){
case SLIP_START:
case SLIP_END:
case SLIP_REPL:
_serial->write(SLIP_REPL);
_serial->write(SLIP_ESC(data));
break;
default:
_serial->write(data);
}
}