Hi,
I have been reading about different ways to communicate Telosb with external devices through SPI port. I found in TinyOS help LIst one way in which the pin 44,45,46, and 47 in MSP430 are used since they are unused for other functions. I think in this way what would be difficult it would be to be able to connect external wires to those pines because of their so small size. The other option it would be to use MISO pin in memory flash which used SPI port , to GIO in U2 or U28, because this pin is close to the external connector for expansion in Telosb. The problem it is that I do not understand where I have to connect MOSI, CLK and SlaveSelect connections in U2 or U28. I have read that I should use BusArbitration in order to avoid problema which CC2420 and Flash memory which share SPI in the MSP430, how Do I have to use TinyOS component to avoid conflicts with radio communication and flash memory operations? Could anybody show me a real example of how using SPI in Telosb, I mean from Hardware and Software point of view? Thanks in advance -- David Conde Baena CITIC Centro Andaluz de Innovación y Tecnologías de la Información y las Comunicaciones Edificio CITIC, C/ Marie Curie, 6 Parque Tecnológico de Andalucía 29590 - Campanillas (MÁLAGA) Tfno.: +34 952028610 Fax: +34 951231029 <mailto:[email protected]> Email: [email protected] <http://www.citic.es/> Web: www.citic.es
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