? PARITY.C —This program demonstrates the use of parity modes by
repeatedly sending byte values 0–127 from Serial Port D to Serial Port
C. The program will switch between generating parity or not on Serial
Port D. Serial Port C will always be checking parity, so parity errors
RxC TxC
J5
TxD RxD GND
should occur during every other sequence.
To set up the Prototyping Board, you will need to tie TxD and RxC together on the
RS-232 header at J5 using one of the jumpers supplied in the Development Kit as
shown in the diagram.
The Dynamic C STDIO window will display the error sequence.
? SIMPLE3WIRE.C —This program demonstrates basic RS-232 serial
communication. Lower case characters are sent by TxC, and are
received by RxD. The characters are converted to upper case and are
sent out by TxD, are received by RxC, and are displayed in the
RxC TxC
TxD RxD GND
J5
Dynamic C STDIO window.
To set up the Prototyping Board, you will need to tie TxD and RxC together on the
RS-232 header at J5, and you will also tie RxD and TxC together using the jumpers
supplied in the Development Kit as shown in the diagram.
? SIMPLE5WIRE.C —This program demonstrates 5-wire RS-232 serial communication
with flow control on Serial Port C and data flow on Serial Port D.
To set up the Prototyping Board, you will need to tie TxD and RxD
together on the RS-232 header at J5, and you will also tie TxC and
RxC together using the jumpers supplied in the Development Kit as
shown in the diagram.
RxC TxC
J5
TxD RxD GND
Once you have compiled and run this program, you can test flow con-
trol by disconnecting TxC from RxC while the program is running. Characters will no
longer appear in the STDIO window, and will display again once TxC is connected
back to RxC.
? SWITCHCHAR.C —This program demonstrates transmitting and then receiving an
ASCII string on Serial Ports D and C. It also displays the serial data received from both
ports in the STDIO window.
To set up the Prototyping Board, you will need to tie TxD and RxC
together on the RS-232 header at J5, and you will also tie RxD and
TxC together using the jumpers supplied in the Development Kit as
shown in the diagram.
RxC TxC
TxD RxD GND
J5
Once you have compiled and run this program, press and release S2
and S3 on the Prototyping Board. The data sent between the serial ports will be dis-
played in the STDIO window.
Two sample programs, SIMPLE485MASTER.C and SIMPLE485SLAVE.C , are available to
illustrate RS-485 master/slave communication. To run these sample programs, you will
need a second Rabbit-based system with RS-485.
16
RabbitCore RCM3400
相关PDF资料
101-0589 CLONING BOARD RABBIT
101-0688 CARD D/A EXPANSION RN1300
101-0954 KIT DEV RABBIT RCM3360/3370 INTL
101-1050-BE-00025 ADPT USB 2 A FEMALE-2 5PIN .25M
10112627-101LF MINI-SAS HD 1X2 EXT PCB
10112628-101LF MINI-SAS HD 1X4 EXT PCB
10136-3000PC CONN MINI-D 36POS SOLDER PLUG
10136-6000EC CONN MDR PLUG 36POS IDC GOLD
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