X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=firmware%2Finclude%2Fspi.h;h=e96bef3795180be369ccadf2577cb88e94ba0938;hb=15750ecb20e3f348c419f0666452534c8b6a0b8e;hp=c39766d5ea501bdf78de425510bbb0bfe154959f;hpb=ae09939eb8c62c83f244527e7916cee5f9145e6c;p=goodfet diff --git a/firmware/include/spi.h b/firmware/include/spi.h index c39766d..e96bef3 100644 --- a/firmware/include/spi.h +++ b/firmware/include/spi.h @@ -18,3 +18,31 @@ #define SETCLK P5OUT|=SCK #define CLRCLK P5OUT&=~SCK #define READMISO (P5IN&MISO?1:0) + +//! Set up the pins for SPI mode. +void spisetup(); + +//! Read and write an SPI byte. +unsigned char spitrans8(unsigned char byte); + +//! Read a block to a buffer. +void spiflash_peekblock(unsigned long adr, + unsigned char *buf, + unsigned int len); + + +//! Write many blocks to the SPI Flash. +void spiflash_pokeblocks(unsigned long adr, + unsigned char *buf, + unsigned int len); + + +//! Enable SPI writing +void spiflash_wrten(); + +//! Read and write an SPI byte. +unsigned char spitrans8(unsigned char byte); +//! Grab the SPI flash status byte. +unsigned char spiflash_status(); +//! Erase a sector. +void spiflash_erasesector(unsigned long adr);