RS-232 flow control on an RS-232 port is initiated in software using the serXflowcon-
參數(shù)資料
型號: 20-101-1246
廠商: Rabbit Semiconductor
文件頁數(shù): 10/120頁
文件大小: 0K
描述: CORE MODULE RCM5400W
產品培訓模塊: WiFi Authentication
特色產品: RCM5400 Family RabbitCore?
標準包裝: 50
系列: RabbitCore®
模塊/板類型: MPU 核心模塊
適用于相關產品: RCM5400W
其它名稱: 316-1148
OEM User’s Manual
101
RS-232 flow control on an RS-232 port is initiated in software using the serXflowcon-
trolOn
function call from RS232.LIB, where X is the serial port (C or D). The locations
of the flow control lines are specified using a set of five macros.
SERX_RTS_PORT
—Data register for the parallel port that the RTS line is on (e.g., PCDR).
SERA_RTS_SHADOW
—Shadow register for the RTS line's parallel port (e.g., PCDRShadow).
SERA_RTS_BIT
—The bit number for the RTS line.
SERA_CTS_PORT
—Data register for the parallel port that the CTS line is on (e.g., PCDRShadow).
SERA_CTS_BIT
—The bit number for the CTS line.
Standard 3-wire RS-232 communication using Serial Ports C and D is illustrated in the
following sample code.
#define CINBUFSIZE
15
// set size of circular buffers in bytes
#define COUTBUFSIZE 15
#define DINBUFSIZE
15
#define DOUTBUFSIZE 15
#define MYBAUD 115200
// set baud rate
#endif
main(){
serCopen(_MYBAUD);
// open Serial Ports C and D
serDopen(_MYBAUD);
serCwrFlush();
// flush their input and transmit buffers
serCrdFlush();
serDwrFlush();
serDrdFlush();
serCclose(_MYBAUD);
// close Serial Ports C and D
serDclose(_MYBAUD);
}
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