X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Finclude%2Fdspic33f.h;fp=firmware%2Finclude%2Fdspic33f.h;h=b6549ea87d4502ab041f87aec7f235ab44d691e1;hp=0000000000000000000000000000000000000000;hb=dbcedaa279472080a2585e959a3146f3c5859556;hpb=3924e6c10611bfeb4c3970a91bbe66c5ba7de6f2

diff --git a/firmware/include/dspic33f.h b/firmware/include/dspic33f.h
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+/*! \file dspic33f.h
+
+  \author Scott Livingston
+
+  \brief Definitions for the dsPIC33F programmer application. Note
+         that the programming for dsPIC33F/PIC24H chips is
+         non-standard 2-wire SPI; hence, I do not use the existing
+         GoodFET SPI routines.
+
+  \date March, April 2010
+
+*/
+
+
+/*! Magic, device family specific constants (these are drawn from the
+    dsPIC33F/PIC24H Flash Programming Specification). Note that the
+    ICSP key is in bit-reversed order, since it is the only thing that
+    is sent MSb first (hence, we flip the bit order and use our usual
+    LSb-first routines). */
+#define ICSP_KEY_LOW 0xC2B2
+#define ICSP_KEY_HIGH 0x8A12
+#define APPID_ADDR 0x8007F0
+
+//! I/O (pin level); follows spi.h
+#define PGD BIT1
+#define PGC BIT3
+#define MCLR BIT0
+
+//Handle bidirectionality of PGD
+#define DIR_PGD_RD P5DIR&=~PGD
+#define DIR_PGD_WR P5DIR|=PGD
+
+#define SET_MCLR P5OUT|=MCLR
+#define CLR_MCLR P5OUT&=~MCLR
+#define SET_PGD P5OUT|=PGD
+#define CLR_PGD P5OUT&=~PGD
+#define SET_PGC P5OUT|=PGC
+#define CLR_PGC P5OUT&=~PGC
+
+#define READ_PGD (P5IN&PGD?1:0)
+
+
+//! Set pins as appropriate for dsPIC33F/PIC24H
+void pic33f_setup();
+
+//! Start ICSP with an attached dsPIC33F/PIC24H
+void pic33f_connect();
+
+/*! Stop ICSP session; maybe not necessary, but cleaner since a
+    minimum delay is required before dropping MCLR pin after last
+    transmission to dsPIC33F/PIC24H chip. */
+void pic33f_disconnect();
+
+//! ICSP SIX command: execute single command on attached dsPIC33F/PIC24H.
+void pic33f_six( unsigned int highb, unsigned int loww );
+
+//! ICSP REGOUT command: read contents of VISI register
+unsigned int pic33f_regout();
+
+//! Execute a list of commands on attached dsPIC33F/PIC24H.
+void pic33f_sixlist( unsigned int list_len );
+
+//! Start Enhanced ICSP session with dsPIC33F/PIC24H (assumes Programming Executive is present).
+void pic33f_eicsp_connect();
+
+/*! Get Application ID (u8), Device ID (i.e. DEVID; u16) and hardware
+    revision (u16). Results are dumped to the host connection (a la
+    txdata, app is PIC and verb is PIC_DEVID33F).
+
+    This function assumes no ICSP (or Enhanced ICSP) session is currently open!
+
+	Returns number of bytes written to cmddata buffer.
+*/
+unsigned int pic33f_getid();
+
+//! Write word
+void pic33f_trans16( unsigned int word );
+
+//! Write byte
+void pic33f_trans8( unsigned char byte );
+
+ 
+//Command codes
+#define PIC_DEVID33F   0x81 //! Read Device and Application ID
+#define PIC_SIX33F     0x82 //! ICSP six command; execute instruction on target.
+#define PIC_REGOUT33F  0x83 //! Read out VISI register.
+#define PIC_SIXLIST33F 0x86 /* Buffers list of instructions to MSP430,
+							   then executes them over ICSP session
+							   with target dsPIC33F/PIC24H chip. */
+
+#define PIC_START33F   0x84 // Start ICSP session
+#define PIC_STOP33F    0x85 // Stop ICSP (basically, drop !MCLR pin and pause briefly)