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File: [local] / funnyos / sys / bus_spi.h (download)
Revision 1.4, Fri Dec 21 17:40:29 2007 UTC (16 years, 6 months ago) by nbrk
add spi_cs{low,high}() to set CS line to low/high logic level. |
/* * $Id: bus_spi.h,v 1.4 2007/12/21 17:40:29 nbrk Exp $ */ #ifndef _SYS_BUS_SPI_H #define _SYS_BUS_SPI_H #include <sys/types.h> struct spi_bus_handle { uint8_t (*sb_transmitfunc)(void *dd, uint8_t data); void (*sb_cslowfunc)(void *dd); void (*sb_cshighfunc)(void *dd); void *sb_dd; /* controller's devdata */ }; uint8_t spi_transmit(struct spi_bus_handle *sbh, uint8_t data); void spi_cs_low(struct spi_bus_handle *sbh); void spi_cs_high(struct spi_bus_handle *sbh); #endif /* !_SYS_BUS_SPI_H */