On Wednesday 30 January 2008, zhang zhilong wrote:
> hi,everyone.
>
> i found the spi speed can't set like this:
>
> void iodata_transfer(int fd,int len)
> {
> ...
> struct spi_ioc_transfer xfer[1];
> memset(xfer,0,sizeof xfer);
> xfer[0].rx_buf=(__u64) buf;
> xfer[0].delay_usecs=0;
> xfer[0].len=len;
> xfer[0].speed_hz=12*1000*1000;//this will make error.
What do you mean "this will make error"?
The compiler complains?
>
> }
> the max speed is 15000000hz;
> how can i do?
Were you trying to do what SPI_IOC_WR_MAX_SPEED_HZ does?
- Dave
> thanks a lot;
> --
> zhang.zhilong
>
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