Code for talking to the MAX3420 USB Device Controller.

[goodfet] / firmware / include / spi.h

diff --git a/firmware/include/spi.h b/firmware/include/spi.h
index 590db0e..d940605 100644 (file)
--- a/firmware/include/spi.h
+++ b/firmware/include/spi.h
@@ -3,24 +3,47 @@
   \brief Definitions for the SPI application.
 */
 
+#ifndef SPI_H
+#define SPI_H
 
-//Pins and I/O
-//#define SS BIT0
-#define MOSI BIT1
-#define MISO BIT2
-#define SCK  BIT3
+#include "app.h"
+
+#define SPI 0x01
 
-#define SETMOSI P5OUT|=MOSI
-#define CLRMOSI P5OUT&=~MOSI
-#define SETCLK P5OUT|=SCK
-#define CLRCLK P5OUT&=~SCK
-#define READMISO (P5IN&MISO?1:0)
+//Pins and I/O
+#if (platform == donbfet)
+# define MOSI (1 << PA2)
+# define MISO (1 << PA1)
+# define SCK  (1 << PA0)
+# define SS   (1 << PA3)
+# define TST  (1 << PA4)
+# define XRST (1 << PA5)
+#else
+# define MOSI BIT1
+# define MISO BIT2
+# define SCK  BIT3
+# define TST  BIT0
+# define RST  BIT6
+#endif
 
-#define SETTST P4OUT|=TST
-#define CLRTST P4OUT&=~TST
-#define SETRST P2OUT|=RST
-#define CLRRST P2OUT&=~RST
+#define SETMOSI SPIOUT|=MOSI
+#define CLRMOSI SPIOUT&=~MOSI
+#define SETCLK SPIOUT|=SCK
+#define CLRCLK SPIOUT&=~SCK
+#define READMISO (SPIIN&MISO?1:0)
 
+//FIXME this should be defined by the platform.
+#if (platform == donbfet)
+# define SETTST PORTA|=(1 << PA4);
+# define CLRTST PORTA&=~(1 << PA4);
+# define SETRST PORTA|=(1 << PA5);
+# define CLRRST PORTA&=~(1 << PA5);
+#else
+# define SETTST P4OUT|=TST
+# define CLRTST P4OUT&=~TST
+# define SETRST P2OUT|=RST
+# define CLRRST P2OUT&=~RST
+#endif
 
 //! Set up the pins for SPI mode.
 void spisetup();
@@ -49,3 +72,7 @@ unsigned char spitrans8(unsigned char byte);
 unsigned char spiflash_status();
 //! Erase a sector.
 void spiflash_erasesector(unsigned long adr);
+
+extern app_t const spi_app;
+
+#endif