X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Fapps%2Fspi%2Fspi.c;h=b552ae7617a8cbca64a554898fbfd767144b3ba7;hp=e07cdb544a43d8a8674eb51162bf4bc2f478e095;hb=350c674c6bcd97ec2f883b07e0cf49eb8a480183;hpb=5fb0341d348e101b30794945a6c91546e25e8e7b diff --git a/firmware/apps/spi/spi.c b/firmware/apps/spi/spi.c index e07cdb5..b552ae7 100644 --- a/firmware/apps/spi/spi.c +++ b/firmware/apps/spi/spi.c @@ -5,15 +5,23 @@ //Higher level left to client application. -#include "platform.h" + #include "command.h" +#ifdef __MSPGCC__ +#include +#else #include #include #include +#endif #include "spi.h" +#define SPIAPPLICATION + +#include "platform.h" + //! Handles a monitor command. void spi_handle_fn( uint8_t const app, uint8_t const verb, @@ -45,15 +53,14 @@ app_t const spi_app = { //! Set up the pins for SPI mode. void spisetup(){ SETSS; - P5DIR|=MOSI+SCK+BIT0; //BIT0 might be SS - P5DIR&=~MISO; + SPIDIR|=MOSI+SCK+BIT0; //BIT0 might be SS + SPIDIR&=~MISO; DIRSS; - + //Begin a new transaction. - - CLRSS; + + CLRSS; SETSS; - } @@ -62,7 +69,7 @@ unsigned char spitrans8(unsigned char byte){ register unsigned int bit; //This function came from the SPI Wikipedia article. //Minor alterations. - + for (bit = 0; bit < 8; bit++) { /* write MOSI on trailing edge of previous clock */ if (byte & 0x80) @@ -70,11 +77,11 @@ unsigned char spitrans8(unsigned char byte){ else CLRMOSI; byte <<= 1; - + //SPIDELAY(100); SETCLK; //SPIDELAY(100); - + /* read MISO on trailing edge */ byte |= READMISO; CLRCLK; @@ -125,16 +132,16 @@ void spiflash_peekblock(unsigned long adr, unsigned char *buf, unsigned int len){ unsigned char i; - + SETSS; CLRSS; //Drop !SS to begin transaction. spitrans8(0x03);//Flash Read Command - + //Send address spitrans8((adr&0xFF0000)>>16); spitrans8((adr&0xFF00)>>8); spitrans8(adr&0xFF); - + for(i=0;i>16); spitrans8((adr&0xFF00)>>8); @@ -171,7 +178,7 @@ void spiflash_pokeblock(unsigned long adr, for(i=0;i0x100?0x100:len-off); @@ -209,14 +216,14 @@ void spiflash_peek(unsigned char app, len=3;//write 3 byte pointer for(i=0;i