PARITY.C —This program demonstrates the use of parity modes by rep" />
參數(shù)資料
型號: 101-1226
廠商: Rabbit Semiconductor
文件頁數(shù): 86/168頁
文件大?。?/td> 0K
描述: RCM3900 DEV KIT UNIVERSAL
標(biāo)準(zhǔn)包裝: 1
系列: RabbitCore 3900
類型: MPU 模塊
適用于相關(guān)產(chǎn)品: RCM3900
所含物品: RabbitCore 模塊、開發(fā)板、交流適配器、纜線和 Dynamic C? 光盤
其它名稱: 316-1137
RabbitCore RCM3900 User’s Manual
24
PARITY.C
—This program demonstrates the use of parity modes by repeatedly sending
byte values 0–127 from Serial Port E to Serial Port F. The program will switch between
generating parity or not on Serial Port E. Serial Port F 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
TxE and RxF together on the RS-232 header at J14 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 TxE, and are received by RxF. The characters are
converted to upper case and are sent out by TxF, are received by RxE, and are displayed
in the Dynamic C STDIO window.
To set up the Prototyping Board, you will need to tie
TxE and RxF together on the RS-232 header at J14, and
you will also tie RxE and TxF together as shown in the
diagram.
SIMPLE5WIRE.C
—This program demonstrates 5-wire RS-232 serial communication
by providing flow control (RTS/CTS) on Serial Port F and data flow on Serial Port E.
To set up the Prototyping Board, you will need to tie
TxE and RxE together on the RS-232 header at J14,
and you will also tie TxF and RxF together as shown in
the diagram.
Once you have compiled and run this program, you can
test flow control by disconnecting TxF from RxF while the program is running. Char-
acters will no longer appear in the STDIO window, and will display again once TxF is
connected back to RxF. (Do not disconnect the data path between TxE and RxE.)
SWITCHCHAR.C
—This program transmits and then receives an ASCII string on Serial
Ports E and F. 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
TxE and RxF together on the RS-232 header at J14, and
you will also tie RxE and TxF together as shown in the
diagram.
Once you have compiled and run this program, press
and release S2 on the Prototyping Board to send a message from Serial Port E to Serial
Port F; press and release S3 on the Prototyping Board to send a message from Serial
Port F to Serial Port E. The data sent between the serial ports will be displayed in the
STDIO
window.
J14
TxE RxE GND TxF RxF 485+ GND 485
J14
TxE RxE GND TxF RxF 485+ GND 485
J14
TxE RxE GND TxF RxF 485+ GND 485
J14
TxE RxE GND TxF RxF 485+ GND 485
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