// main function; program starts here
void main(void)
{
unsigned char data = 0;
unsigned int battery_voltage = 0; // ADC reading of battery voltage
ports_initialize(); // set up ports
ADC_initialize(); // configure ADC
SPI_initialize(); // set up SPI module
sleep_initialize(); // set up sleep mode
ISR_initialize(); // set up ISR
while(1)
{
SLEEP(); // sleep PIC until WDT expires
time++; // increment time (+16s)
battery_voltage = ADC_read(0x09); // read battery voltage
if ( time >= 1 ) // 1*16s=16s
{
time = 0; // reset time
if(battery_voltage >= 690) //690 = 11v
{
LATCbits.LATC4 = 1; // turn relay on
SPI_enable(); // turn on SPI module
while( data != 0xDA ) // wait for shutdown command to be received
{
while(!SSP1STATbits.BF) // wait till data is in the buffer
{
CLRWDT();
}
data = SSP1BUF; // read data outside
}
data = 0x00;
SPI_disable(); // turn off SPI module
__delay_ms(10000); // wait for R Pi to shutdown
LATCbits.LATC4 = 0; // turn relay off
}
}
}
}
int main()
{
InitializeLEDs();
SPI_initialize();
uint8_t data = 0xaa;
SPI_Write(0x20, 0xC4);
while(1)
{
data = SPI_Read(0x2d);
}
while(1)
{
}
}
static void initPLJavaClasses(void)
{
jfieldID tlField;
JNINativeMethod backendMethods[] =
{
{
"isCallingJava",
"()Z",
Java_org_postgresql_pljava_internal_Backend_isCallingJava
},
{
"isReleaseLingeringSavepoints",
"()Z",
Java_org_postgresql_pljava_internal_Backend_isReleaseLingeringSavepoints
},
{
"_getLibraryPath",
"()Ljava/lang/String;",
Java_org_postgresql_pljava_internal_Backend__1getLibraryPath
},
{
"_getConfigOption",
"(Ljava/lang/String;)Ljava/lang/String;",
Java_org_postgresql_pljava_internal_Backend__1getConfigOption
},
{
"_getStatementCacheSize",
"()I",
Java_org_postgresql_pljava_internal_Backend__1getStatementCacheSize
},
{
"_log",
"(ILjava/lang/String;)V",
Java_org_postgresql_pljava_internal_Backend__1log
},
{
"_clearFunctionCache",
"()V",
Java_org_postgresql_pljava_internal_Backend__1clearFunctionCache
},
{
"_isCreatingExtension",
"()Z",
Java_org_postgresql_pljava_internal_Backend__1isCreatingExtension
},
{ 0, 0, 0 }
};
Exception_initialize();
elog(DEBUG2, "checking for a PL/Java Backend class on the given classpath");
s_Backend_class = PgObject_getJavaClass(
"org/postgresql/pljava/internal/Backend");
elog(DEBUG2, "successfully loaded Backend class");
PgObject_registerNatives2(s_Backend_class, backendMethods);
tlField = PgObject_getStaticJavaField(s_Backend_class, "THREADLOCK", "Ljava/lang/Object;");
JNI_setThreadLock(JNI_getStaticObjectField(s_Backend_class, tlField));
Invocation_initialize();
Exception_initialize2();
SPI_initialize();
Type_initialize();
Function_initialize();
Session_initialize();
PgSavepoint_initialize();
XactListener_initialize();
SubXactListener_initialize();
SQLInputFromChunk_initialize();
SQLOutputToChunk_initialize();
SQLInputFromTuple_initialize();
SQLOutputToTuple_initialize();
InstallHelper_initialize();
s_setTrusted = PgObject_getStaticJavaMethod(s_Backend_class, "setTrusted", "(Z)V");
}
