IOCONFIG_SWITCHECHO.C —This program demonstrates how to set up Serial Ports E an" />
參數(shù)資料
型號(hào)： 20-101-1093
廠商： Rabbit Semiconductor
文件頁(yè)數(shù)： 30/112頁(yè)
文件大?。?/td> 0K
描述： RCM4110 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： RCM4110
產(chǎn)品目錄頁(yè)面： 619 (CN2011-ZH PDF)
其它名稱： 316-1140
20
RabbitCore RCM4100
IOCONFIG_SWITCHECHO.C
—This program demonstrates how to set up Serial Ports E
and F, which then transmit and then receive an ASCII string when switch S2 or S3 is
pressed. The echoed serial data are displayed in the Dynamic C STDIO window.
Note that the I/O lines that carry the Serial Port E and F signals are not the Rabbit 4000
defaults. The Serial Port E and F I/O lines are configured by calling the library function
serEFconfig()
that was generated by the Rabbit 4000 IOCONFIG.EXE utility program.
Serial Port E is configured to use Parallel Port E bits PE6 and PE7. These signals are
available on the Prototyping Board's Module Extension Header (header J2).
Serial Port F is configured to use Parallel Port C bits PC2 and PC3. These signals are
available on the Prototyping Board's RS-232 connector (header J4).
Serial Port D is left in its default configuration, using Parallel Port C bits PC0 and PC1.
These signals are available on the Prototyping Board's RS-232 connector (header J4).
Serial Port D transmits and then receives an ASCII string with Serial Port F when
switch S3 is pressed.
Also note that there are two libraries generated by IOCONFIG.EXE in the Dynamic C
SAMPLES\RCM4100\SERIAL
folder for the 29 MHz RCM4110 and the 58 MHz
RCM4100 and RCM4120.
To set up the Prototyping Board, you will need to tie TxD
and RxC together on the RS-232 header at J4 using the
jumpers supplied in the Development Kit; you will also
tie TxE (PD6) and RxE (PD7) together with a soldered
wire or with a wire jumper if you have soldered in the
IDC header supplied with the accessory parts in the
Development Kit.
Once you have compiled and run this program, press and
release switches S2 or S3 on the Prototyping Board. The data echoed between the serial
ports will be displayed in the STDIO window.
J4
TxC
GND
RxD
TxD
RxC
J2
+3.3 V
/RST_OUT
PE5
PE7
PD1/LN1
PD3/LN3
PD5/LN5
PD7/LN7
VREF
GND
/IORD
PE6
PD0/LN0
PD2/LN2
PD4/LN4
PD6/LN6
CVT
AGND
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