Lanner LVC-5000(N4) Manual de usuario descargar pdf (Pagina 38)

Programming Watchdog Timer

Embedded and Industrial Computing

Appendix E

“ Watchdog Set

Watchdog timer.\n”\

“ CaseOpen Check case opened state.\n”\

“ CaseOpen_Clear Clear case open state.\n”\

“ port_number The port number.\n”\

“ value 1 for on and 0 for off.\n”\

“ seconds The

watchdog count down seconds. 0 for disable.\n”\

“ milliseconds Milliseconds to

delay\n”

#define RETMSG(a,b) {printf (b) ; return a;}

#define CHECK_ARGC(a) {if (argc

!= a) throw PARAMETER_HELP ;}

// Translate Hex string to a long value

LONG Hex2Long (char *str)

{

LONG nLong ;

if (scanf (str, “%x”, &nLong) != 1)

throw “Error parsing parameter\n” ;

return nLong ;

}

// Make sure the argument is numeric

void CheckNumeric (char *szBuf)

{

int nLen = strlen (szBuf ) ;

for (int i = 0 ; i < nLen ; i++)

if (!strchr (“01234567890ABCDEFabcdef”, szBuf[i]) )

throw “Wrong argument\n” ;

}

// Common GPIO output function definition

#define GPIO_OUT(a,b,c) \

int a (int argc, char *argv[]) \

{

CHECK_ARGC (4) ;

CheckNumeric (argv[2]) ; \

CheckNumeric (argv[3]) ; \

int nPort = atoi (argv[2]) ; \

int nValue = atoi (argv[3]) ; \

c (nPort, nValue) ;

printf (b “ #%d = %d\n”, nPort, nValue) ; \

return 0

; \

}

// Function generate by common function definition

GPIO_OUT (mDIO_

OUT , “DIO_OUT” , Write_DIO)

G P I O _ O U T

(mPIO , “DIO_OUT” , PIO)

G P I O _ O U T

(mRunLED , “RunLED” , RunLED)

G P I O _ O U T

(mAlarmLED , “AlarmLED” , AlarmLED)

GPIO_OUT (mGPS_

LED , “GPS_LED” , GPS_LED)

G P I O _ O U T

(mWirelessLED , “WirelessLED” , WirelessLED)

// Check case open

int mCaseOpen (int argc, char* argv[])

{

CHECK_ARGC (2) ;

BOOL bOpen = CaseOpen () ;

printf (“Case is %s\n”, bOpen ? “Open” : “Close”) ;

return bOpen ;

}

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