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Discussion Groups | Piclist | about the usart in PIC18
A discussion group for the PICMicro microcontroller. Also called the Microchip PIC, this list is dedicated to the use and abuse of this fine, simple, microcontroller. Close to topic posts are welcome, ie. general electronics.
about the usart in PIC18 - Karlo Campos - Jun 1 21:42:00 2004
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Hi! Is it possible to use the receive module of the USART in interrupt mode and the transmit module in non-interrupt (polling)? Based on the data sheets, (theoretically) is yes. How come when I tried it with my pic it doesn't? Any explanation guys? or work arounds? Reply is greatly appreciated! Thanks! Karlo |
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RE: about the usart in PIC18 - Mauricio D. Jancic - Jun 2 6:44:00 2004
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Yes, of
course you can. Set
up everything on the TXREG and RCREG registers, as you want them to
be. Then,
configure, atleast
this bits: PEIE = 1;
// Peripheral
interrupt enabled RCIE = 1;
// Reception
interrupt enabled TXIE = 0;
// Transmition
interrupts disabled GIE = 1;
// Global
interrupts enabled And thas
about it.
Perhaps the bits have different names, but I don’t have the datasheet
near me right now, anyway, it works. Regards, Mauricio
D. Jancic Janso
Desarrollos -
Microchip Consultant (54) 011
- 4542 - 3519 Lugones 3238
"B" - C1430ECN www.janso.com.ar i...@janso.com.ar MSN:
j...@hotmail.com |
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Real-world software for real-time control. Details Here!
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