void main(void)
{
OSCTUNEbits.PLLEN = 1;
LCDInit();
LCDClear();
InitPins();
ConfigPeriph();
ConfigInterrupts();
while (1) {
received = ReadSerial();
LCDClear();
switch(received) {
case 'a':
received2 = ReadSerial();
sprintf(output,"Received char:%c",received2);
/*
* FIXME : PIC18 doesn't transmit back to RPi
* python script hangs on serial.read(1)
* Same behavior with cat -A /dev/ttyACM0
*
*
* _delay(2); // 2 cycle delay
*while(!PIR1bits.TX1IF);
*sprintf(output,"TRANSMIT");
*LCDWriteLine(output,0);
*TXREG1=received2;
*
*/
break ;
case 'b':
potentiometer = ReadPot();
sprintf(output,"Pot value: %d", potentiometer);
LATD =~ LATD;
break;
case 'c':
received2=ReadSerial();
sprintf(output,"Set LED to 0x%X",received2);
LATD = received2;
break;
default:
sprintf(output, ">>UNKNOWN %c",received);
break;
}
LCDWriteLine(output,0);
}
}
int32_t main(void)
{
int compileErr;
int executionErr;
volatile int value;
SYSTEMConfig(SYS_FREQ, SYS_CFG_ALL);
ConfigInterrupts(true);
platform_init();
// Initialise the Lua state
lua_State *L = luaL_newstate();
// Load the Lua libraries
luaL_openlibs(L);
lua_pushcfunction(L, cCall);
lua_setglobal(L, "cCall");
// Use strlen(script) when using uncompiled scripts.
//compileErr = luaL_loadbuffer(L, script, strlen(script), "Script");
// Use section size from linker file when using byte code scripts.
compileErr = luaL_loadbuffer(L, script, 0x01000, "Script");
executionErr = lua_pcall(L, 0, 0, 0);
if(!compileErr && !executionErr)
{
for(;;)
{
lua_getglobal(L, "HeapUsage");
executionErr = lua_pcall(L, 0, 1, 0);
if(!executionErr)
{
value = (int)lua_tonumber(L, -1);
lua_pop(L, 1);
}
lua_getglobal(L, "CallToC");
lua_pushnumber(L, 11);
lua_pushnumber(L, 22);
executionErr = lua_pcall(L, 2, 0, 0);
if(!executionErr)
{
value = (int)lua_tonumber(L, -1);
}
}
}
return (0);
}