CW7.0 dsp56f800 - Help- GPIO - SERIAL COMMUNICATION

[dspfusm]

HI!!!

I need any help about the configure of GPIO, i trying to recieve a 0 or 1(from a uC),  and put 0 or 1in this port, how i configure the software to activate this.

Also i need to get data from a PC (RS232 comunication) i'm working with SC0, receive 1 char,( 9600 bds, 8 bits, 1 stop, 0 parity) "AS1recieveChar()" this is the method that i work.

i use the cpu=56f8323 and the cw for dsp56f800 R7.0

 
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Alban Edit: version+target in subject line.

Message Edited by Alban on 2007-05-02 08:03 PM

[admin]

First of all you need to configure GPIO module registers - see chapter 8 of peripheral user manual MC56F83000UM.pdf - you need to configure Data Direction (GPIOn_DDR reg), enable/disable perephiral on corresponding gpio pins (GPIOn_PER reg), if you want to use interrupts configure IENR, IAR, IPOLR register for gpio pin and set interrupt priority (see mc56f8323.pdf datasheet part 5). If you use Processor Expert - there are beans for GPIO and External Interrupt - use them.