Why not use the MSP430ADCMultiple interface? -Joe
On 12/13/05, 姜瑞豪 Steve Chiang <[EMAIL PROTECTED]> wrote: > > Dear all: > > I am using tmote and writing a program to sample vibration data from 3 > channels (for x, y, z axises). > My purpose is to sample the data for over 200 Hz for at least 10 seconeds. > Thus, I applied the DMA module to speed up the data transfer from ADC > registers to RAM. > > Is it possible to sample three axies in the same time? > If I used 3 DMA interfaces and bind 3 ADC12Single > /* example */ > interface MSP430DMA as DMA0; > interface MSP430DMA as DMA1; > interface MSP430DMA as DMA2; > interface MSP430ADC12Single as ADC0; > > interface MSP430ADC12Single as ADC2; > > interface MSP430ADC12Single as ADC2; > /* end of example */ > > Problems is "The data from the three channels are not synchronous!!" > How to synchronize these sampling data?? > Is there any possible way to do that?? > > Many thanks, Steve Chiang. > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > > > _______________________________________________ Tinyos-help mailing list [email protected] https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
