The following sample programs are found in the SAMPLES\RCM410" />
參數(shù)資料
型號(hào)： 20-101-1154
廠商： Rabbit Semiconductor
文件頁(yè)數(shù)： 28/112頁(yè)
文件大?。?/td> 0K
描述： MODULE RCM4120 RABBITCORE
標(biāo)準(zhǔn)包裝： 1
系列： RabbitCore®
模塊/板類型： MPU 核心模塊
適用于相關(guān)產(chǎn)品： RCM4120
其它名稱： 316-1122
18
RabbitCore RCM4100
3.2.1 Serial Communication
The following sample programs are found in the SAMPLES\RCM4100\SERIAL folder.
FLOWCONTROL.C
—This program demonstrates how to configure Serial Port D for
CTS/RTS with serial data coming from Serial Port C (TxC) at 115,200 bps. The serial
data received are displayed in the STDIO window.
To set up the Prototyping Board, you will need to tie TxD and RxD
together on the RS-232 header at J4, and you will also tie TxC and
RxC together using the jumpers supplied in the Development Kit as
shown in the diagram.
A repeating triangular pattern should print out in the STDIO window.
The program will periodically switch flow control on or off to demonstrate the effect of
no flow control.
If you have two Prototyping Boards with modules, run this sample program on the
sending board, then disconnect the programming cable and reset the sending board so
that the module is operating in the Run mode. Connect TxC, TxD, and GND on the
sending board to RxC, RxD, and GND on the other board, then, with the programming
cable attached to the other module, run the sample program.
PARITY.C
—This program demonstrates the use of parity modes by
repeatedly sending byte values 0–127 from Serial Port C to Serial Port D.
The program will switch between generating parity or not on Serial
Port C. Serial Port D will always be checking parity, so parity errors
should occur during every other sequence.
To set up the Prototyping Board, you will need to tie TxC and RxD together on the
RS-232 header at J4 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.
SERDMA.C
—This program demonstrates using DMA to transfer data from the circular
buffer to the serial port and vice versa. The Dynamic C STDIO window is used to view
or clear the buffer.
Before you compile and run the sample program, you
will need to connect the RS-232 header at J4 to your
PC as shown in the diagram using the serial to DB9
cable supplied in the Development Kit.
Once you have compiled and run the sample program,
start Tera Term or another terminal emulation program to
connect to the PC serial port using a baud rate of 115,200
bps. You can observe the output in the
Dynamic C STDIO
window as you type in Tera Term, and you can also
use the Dynamic C STDIO window to clear the buffer.
The Tera Term serial utility can be downloaded from
J4
RxC TxC
GND
TxD RxD
J4
RxC
RxD GND
TxD
TxC
J4
RxC TxC
GND
TxD RxD
Colored
edge
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