X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Finclude%2Fspi.h;h=590db0e40e1b1f9c7f048bdf4210ebda6a5d1b08;hp=8cd488aa6ff60fb29f0cd33d1a3b2904e9ea3c57;hb=ea94279f763800d71e86d9bb25d140bf78dfb4ea;hpb=8c6abfea1a9e8225746fed39bcb8ffeba01670a9

diff --git a/firmware/include/spi.h b/firmware/include/spi.h
index 8cd488a..590db0e 100644
--- a/firmware/include/spi.h
+++ b/firmware/include/spi.h
@@ -1,17 +1,51 @@
-/** SPI **/
+/*! \file spi.h
+  \author Travis Goodspeed
+  \brief Definitions for the SPI application.
+*/
 
 
 //Pins and I/O
-#define SS   BIT0
+//#define SS BIT0
 #define MOSI BIT1
 #define MISO BIT2
 #define SCK  BIT3
 
-#define SETSS P5OUT|=SS
-#define CLRSS P5OUT&=~SS
-
 #define SETMOSI P5OUT|=MOSI
 #define CLRMOSI P5OUT&=~MOSI
 #define SETCLK P5OUT|=SCK
 #define CLRCLK P5OUT&=~SCK
 #define READMISO (P5IN&MISO?1:0)
+
+#define SETTST P4OUT|=TST
+#define CLRTST P4OUT&=~TST
+#define SETRST P2OUT|=RST
+#define CLRRST P2OUT&=~RST
+
+
+//! 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);