Avr/MarklinController
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add free memory command

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add read and write nfc commands
fix function sending
This commit is contained in:
uvos
2022-03-25 13:41:02 +01:00
parent 58fe96f8b7
commit dca4421674
9 changed files with 115 additions and 31 deletions
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15
main.cpp
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@ -127,6 +127,13 @@ void restore_state()
}
}
int freeRAM()
{
extern int __heap_start, *__brkval;
int v;
return (int) &v - (__brkval == 0 ? (int) &__heap_start: (int) __brkval);
}
inline static void printHelp(Serial* serial)
{
serial->write_p(PSTR("Available Commands: \n\
@ -157,6 +164,7 @@ inline static void printHelp(Serial* serial)
power on : power on the rail\n\
power auto : power off the rail when no trains are moveing\n\
dump : prints epprom contence\n\
free : show amount of free ram\n\
erase : Erase epprom.\n"));
}
@ -299,6 +307,13 @@ void serialDispatch(Serial* serial)
printHelp(serial);
ret = 0;
}
else if(strcmp(token, "free") == 0)
{
serial->write_p(PSTR("Free Ram: "));
serial->write(freeRAM());
serial->write_p(PSTR(" Bytes.\n"));
ret = 0;
}
else
{
serial->putChar('\"');