參數(shù)資料
型號: RCM3200
廠商: Electronic Theatre Controls, Inc.
英文描述: C-Programmable Module with Ethernet
中文描述: C編程與以太網(wǎng)模塊
文件頁數(shù): 23/96頁
文件大?。?/td> 2066K
代理商: RCM3200
User’s Manual
19
3.2.2 Digital I/O
The RCM3200 was designed to interface with other systems, and so there are no drivers
written specifically for the I/O. The general Dynamic C read and write functions allow
you to customize the parallel I/O to meet your specific needs. For example, use
WrPortI(PEDDR, &PEDDRShadow, 0x00);
to set all the Port E bits as inputs, or use
WrPortI(PEDDR, &PEDDRShadow, 0xFF);
to set all the Port E bits as outputs.
When using the auxiliary I/O bus on the Rabbit 3000 chip, add the line
#define PORTA_AUX_IO
// required to enable auxiliary I/O bus
to the beginning of any programs using the auxiliary I/O bus.
The sample programs in the Dynamic C
SAMPLES/RCM3200
directory provide further
examples.
3.2.3 Serial Communication Drivers
Library files included with Dynamic C provide a full range of serial communications sup-
port. The
RS232.LIB
library provides a set of circular-buffer-based serial functions. The
PACKET.LIB
library provides packet-based serial functions where packets can be delim-
ited by the 9th bit, by transmission gaps, or with user-defined special characters. Both
libraries provide blocking functions, which do not return until they are finished transmit-
ting or receiving, and nonblocking functions, which must be called repeatedly until they
are finished. For more information, see the
Dynamic C Function Reference Manual
and
Technical Note 213,
Rabbit 2000 Serial Port Software
.
3.2.4 TCP/IP Drivers
The TCP/IP drivers are located in the
TCPIP
directory.
Complete information on these libraries and the TCP/IP functions is provided in the
Dynamic C TCP/IP User’s Manual
.
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