PCD
the character. If you do not want to hang forever waiting for an incoming character
use kbhit() to test for a character available. If a built-in USART is used the
hardware can buffer 3 characters otherwise GETC must be active while the
character is being received by the PIC?.
If fgetc() is used then the specified stream is used where getc() defaults to STDIN
(the last USE RS232).
Availability: All devices
Requires:
Examples:
Example
Files:
Also See:
#USE RS232
printf("Continue (Y,N)?");
do {
answer=getch();
}while(answer!='Y' && answer!='N');
#use rs232(baud=9600,xmit=pin_c6,
rcv=pin_c7,stream=HOSTPC)
#use rs232(baud=1200,xmit=pin_b1,
rcv=pin_b0,stream=GPS)
#use rs232(baud=9600,xmit=pin_b3,
stream=DEBUG)
...
while(TRUE) {
c=fgetc(GPS);
fputc(c,HOSTPC);
if(c==13)
fprintf(DEBUG,"Got a CR\r\n");
}
putc(), kbhit(), printf(), #USE RS232, input.c, RS232 I/O Overview
gets( ) fgets( )
Syntax:
gets ( string )
value = fgets ( string , stream )
Parameters: string is a pointer to an array of characters.
Stream is a stream identifier (a constant byte)
Returns:
Function:
undefined
Reads characters (using getc()) into the string until a RETURN (value 13) is
encountered. The string is terminated with a 0. Note that INPUT.C has a more
168
相关PDF资料
PCI-EXP-T42G5-N1 IP CORE PCI EXPRESS ORCA 4
PCM18XH2 PROCESSOR MODULE MPLAB-ICE 2000
PCM18XN0 PROCESSOR MODULE FOR ICE2000
PDA-B-24-615-E-2B1-1-C CIRCUIT BREAKER MAG 1P 15A
PFMF.260.2 PFMF PTC FUSE SMT 2.6A 1812
PFNF.200.2 PFNF PTC FUSE SMT 2A 1206
PFRY.375 PTC-FUSE RADIAL 72 VDC
PFSM.150.33.2 FUSE PTC 8A 15V FST-TRIP SMD
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