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M118 multiserial support (#15176)

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Lucio Tarantino 2019-09-08 07:57:59 +02:00 committed by Scott Lahteine
parent dbee0e9c54
commit 8ac52aedff
1 changed files with 37 additions and 6 deletions
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43
Marlin/src/gcode/host/M118.cpp
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@ -21,24 +21,55 @@
*/
#include "../gcode.h"
#include "../../core/serial.h"
/**
* M118: Display a message in the host console.
*
* A1 Prepend '// ' for an action command, as in OctoPrint
* E1 Have the host 'echo:' the text
* Pn Redirect to another serial port
* 0 : Announce to all ports
* 1-9 : Serial ports 1 to 9
*/
void GcodeSuite::M118() {
bool hasE = false, hasA = false;
#if NUM_SERIAL > 1
int8_t port = -1; // Assume no redirect
#endif
char *p = parser.string_arg;
for (uint8_t i = 2; i--;)
if ((p[0] == 'A' || p[0] == 'E') && p[1] == '1') {
if (p[0] == 'A') hasA = true;
if (p[0] == 'E') hasE = true;
p += 2;
while (*p == ' ') ++p;
for (uint8_t i = 3; i--;) {
// A1, E1, and Pn are always parsed out
if (!( ((p[0] == 'A' || p[0] == 'E') && p[1] == '1') || (p[0] == 'P' && NUMERIC(p[1])) )) break;
switch (p[0]) {
case 'A': hasA = true; break;
case 'E': hasE = true; break;
#if NUM_SERIAL > 1
case 'P': port = p[1] - '0'; break;
#endif
}
p += 2;
while (*p == ' ') ++p;
}
#if NUM_SERIAL > 1
const int8_t old_serial = serial_port_index;
if (WITHIN(port, 0, NUM_SERIAL))
serial_port_index = (
port == 0 ? SERIAL_BOTH
: port == 1 ? SERIAL_PORT
#ifdef SERIAL_PORT_2
: port == 2 ? SERIAL_PORT_2
#endif
: SERIAL_PORT
);
#endif
if (hasE) SERIAL_ECHO_START();
if (hasA) SERIAL_ECHOPGM("// ");
SERIAL_ECHOLN(p);
#if NUM_SERIAL > 1
serial_port_index = old_serial;
#endif
}