Refactoring, beginning AVR application.

[goodfet] / firmware / include / spi.h

diff --git a/firmware/include/spi.h b/firmware/include/spi.h
index c39766d..f5c0d8e 100644 (file)
--- a/firmware/include/spi.h
+++ b/firmware/include/spi.h
@@ -18,3 +18,20 @@
 #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);