"""Write bytes by I2C."""
self.writecmd(0x02,0x01,len(bytes),bytes); #SPI/SETUP
return ord(self.data[0]);
-class GoodFETSPI(GoodFET):
- def SPIsetup(self):
- """Move the FET into the SPI application."""
- self.writecmd(0x01,0x10,0,self.data); #SPI/SETUP
-
- def SPItrans8(self,byte):
- """Read and write 8 bits by SPI."""
- data=self.SPItrans([byte]);
- return ord(data[0]);
-
- def SPItrans(self,data):
- """Exchange data by SPI."""
- self.data=data;
- self.writecmd(0x01,0x00,len(data),data);
- return self.data;
-
-class GoodFETSPIFlash(GoodFETSPI):
- JEDECmanufacturers={0xFF: "MISSING",
- 0xEF: "Winbond",
- 0xC2: "MXIC",
- 0x20: "Numonyx/ST"
- };
-
- JEDECdevices={0xFFFFFF: "MISSING",
- 0xEF3014: "W25X80L",
- 0xEF3013: "W25X40L",
- 0xEF3012: "W25X20L",
- 0xEF3011: "W25X10L",
- 0xC22014: "MX25L8005",
- 0xC22013: "MX25L4005",
- 0x204011: "M45PE10"
- };
- JEDECsizes={0x14: 0x100000,
- 0x13: 0x080000,
- 0x12: 0x040000,
- 0x11: 0x020000}
- JEDECsize=0;
-
- def SPIjedec(self):
- """Grab an SPI Flash ROM's JEDEC bytes."""
- data=[0x9f, 0, 0, 0];
- data=self.SPItrans(data);
- #print "Manufacturer: %02x\nType: %02x\nCapacity: %02x" % (ord(data[1]),ord(data[2]),ord(data[3]));
- self.JEDECmanufacturer=ord(data[1]);
- self.JEDECtype=ord(data[2]);
- self.JEDECcapacity=ord(data[3]);
- self.JEDECsize=self.JEDECsizes.get(self.JEDECcapacity);
- if self.JEDECsize==None:
- self.JEDECsize=0;
- self.JEDECdevice=(ord(data[1])<<16)+(ord(data[2])<<8)+ord(data[3]);
- return data;
- def SPIpeek(self,adr):
- """Grab a byte from an SPI Flash ROM."""
- data=[0x03,
- (adr&0xFF0000)>>16,
- (adr&0xFF00)>>8,
- adr&0xFF,
- 0];
- self.SPItrans(data);
- return ord(self.data[4]);
- def SPIpeekblock(self,adr,blocks=1):
- """Grab a few block from an SPI Flash ROM. Block size is unknown"""
- data=[(adr&0xFF0000)>>16,
- (adr&0xFF00)>>8,
- adr&0xFF,
- blocks];
-
- self.writecmd(0x01,0x02,4,data,blocks);
- return self.data;
-
- def SPIpokebyte(self,adr,val):
- self.SPIpokebytes(adr,[val]);
- def SPIpokebytes(self,adr,data):
- #self.SPIwriteenable();
- adranddata=[(adr&0xFF0000)>>16,
- (adr&0xFF00)>>8,
- adr&0xFF
- ]+data;
- self.writecmd(0x01,0x03,
- len(adranddata),adranddata);
-
- def SPIchiperase(self):
- """Mass erase an SPI Flash ROM."""
- self.writecmd(0x01,0x81,0,[]);
- def SPIwriteenable(self):
- """SPI Flash Write Enable"""
- data=[0x06];
- self.SPItrans(data);
-
- def SPIjedecmanstr(self):
- """Grab the JEDEC manufacturer string. Call after SPIjedec()."""
- man=self.JEDECmanufacturers.get(self.JEDECmanufacturer)
- if man==0:
- man="UNKNOWN";
- return man;
-
- def SPIjedecstr(self):
- """Grab the JEDEC manufacturer string. Call after SPIjedec()."""
- man=self.JEDECmanufacturers.get(self.JEDECmanufacturer);
- if man==0:
- man="UNKNOWN";
- device=self.JEDECdevices.get(self.JEDECdevice);
- if device==0:
- device="???"
- return "%s %s" % (man,device);
-
class GoodFETCC(GoodFET):
"""A GoodFET variant for use with Chipcon 8051 Zigbe SoC."""
def CChaltcpu(self):
--- /dev/null
+#!/usr/bin/env python
+# GoodFET SPI and SPIFlash Client Library
+#
+# (C) 2009 Travis Goodspeed <travis at radiantmachines.com>
+#
+# This code is being rewritten and refactored. You've been warned!
+
+import sys, time, string, cStringIO, struct, glob, serial, os;
+
+from GoodFET import GoodFET;
+
+class GoodFETSPI(GoodFET):
+ def SPIsetup(self):
+ """Move the FET into the SPI application."""
+ self.writecmd(0x01,0x10,0,self.data); #SPI/SETUP
+
+ def SPItrans8(self,byte):
+ """Read and write 8 bits by SPI."""
+ data=self.SPItrans([byte]);
+ return ord(data[0]);
+
+ def SPItrans(self,data):
+ """Exchange data by SPI."""
+ self.data=data;
+ self.writecmd(0x01,0x00,len(data),data);
+ return self.data;
+
+class GoodFETSPIFlash(GoodFETSPI):
+ JEDECmanufacturers={0xFF: "MISSING",
+ 0xEF: "Winbond",
+ 0xC2: "MXIC",
+ 0x20: "Numonyx/ST"
+ };
+
+ JEDECdevices={0xFFFFFF: "MISSING",
+ 0xEF3014: "W25X80L",
+ 0xEF3013: "W25X40L",
+ 0xEF3012: "W25X20L",
+ 0xEF3011: "W25X10L",
+ 0xC22014: "MX25L8005",
+ 0xC22013: "MX25L4005",
+ 0x204011: "M45PE10"
+ };
+ JEDECsizes={0x14: 0x100000,
+ 0x13: 0x080000,
+ 0x12: 0x040000,
+ 0x11: 0x020000}
+ JEDECsize=0;
+
+ def SPIjedec(self):
+ """Grab an SPI Flash ROM's JEDEC bytes."""
+ data=[0x9f, 0, 0, 0];
+ data=self.SPItrans(data);
+ #print "Manufacturer: %02x\nType: %02x\nCapacity: %02x" % (ord(data[1]),ord(data[2]),ord(data[3]));
+ self.JEDECmanufacturer=ord(data[1]);
+ self.JEDECtype=ord(data[2]);
+ self.JEDECcapacity=ord(data[3]);
+ self.JEDECsize=self.JEDECsizes.get(self.JEDECcapacity);
+ if self.JEDECsize==None:
+ self.JEDECsize=0;
+ self.JEDECdevice=(ord(data[1])<<16)+(ord(data[2])<<8)+ord(data[3]);
+ return data;
+ def SPIpeek(self,adr):
+ """Grab a byte from an SPI Flash ROM."""
+ data=[0x03,
+ (adr&0xFF0000)>>16,
+ (adr&0xFF00)>>8,
+ adr&0xFF,
+ 0];
+ self.SPItrans(data);
+ return ord(self.data[4]);
+ def SPIpeekblock(self,adr,blocks=1):
+ """Grab a few block from an SPI Flash ROM. Block size is unknown"""
+ data=[(adr&0xFF0000)>>16,
+ (adr&0xFF00)>>8,
+ adr&0xFF,
+ blocks];
+
+ self.writecmd(0x01,0x02,4,data,blocks);
+ return self.data;
+
+ def SPIpokebyte(self,adr,val):
+ self.SPIpokebytes(adr,[val]);
+ def SPIpokebytes(self,adr,data):
+ #self.SPIwriteenable();
+ adranddata=[(adr&0xFF0000)>>16,
+ (adr&0xFF00)>>8,
+ adr&0xFF
+ ]+data;
+ self.writecmd(0x01,0x03,
+ len(adranddata),adranddata);
+
+ def SPIchiperase(self):
+ """Mass erase an SPI Flash ROM."""
+ self.writecmd(0x01,0x81,0,[]);
+ def SPIwriteenable(self):
+ """SPI Flash Write Enable"""
+ data=[0x06];
+ self.SPItrans(data);
+
+ def SPIjedecmanstr(self):
+ """Grab the JEDEC manufacturer string. Call after SPIjedec()."""
+ man=self.JEDECmanufacturers.get(self.JEDECmanufacturer)
+ if man==0:
+ man="UNKNOWN";
+ return man;
+
+ def SPIjedecstr(self):
+ """Grab the JEDEC manufacturer string. Call after SPIjedec()."""
+ man=self.JEDECmanufacturers.get(self.JEDECmanufacturer);
+ if man==0:
+ man="UNKNOWN";
+ device=self.JEDECdevices.get(self.JEDECdevice);
+ if device==0:
+ device="???"
+ return "%s %s" % (man,device);
+
import binascii;
import array;
-from GoodFET import GoodFETSPIFlash;
+from GoodFETSPI import GoodFETSPIFlash;
from intelhex import IntelHex;
if(len(sys.argv)==1):
#include <io.h>
#include <iomacros.h>
-
-//Pins and I/O
-#define SS BIT0
-#define MOSI BIT1
-#define MISO BIT2
-#define SCK BIT3
-
+#include <spi.h>
//This could be more accurate.
//Does it ever need to be?
#define SPISPEED 0
#define SPIDELAY(x) delay(x)
-#define SETMOSI P5OUT|=MOSI
-#define CLRMOSI P5OUT&=~MOSI
-#define SETCLK P5OUT|=SCK
-#define CLRCLK P5OUT&=~SCK
-#define READMISO (P5IN&MISO?1:0)
-
-
//! Set up the pins for SPI mode.
void spisetup(){
//! Enable SPI writing
void spiflash_wrten(){
+ SETSS;
P5OUT&=~SS; //Drop !SS to begin transaction.
spitrans8(0x04);//Write Disable
P5OUT|=SS; //Raise !SS to end transaction.
//! Grab the SPI flash status byte.
void spiflash_setstatus(unsigned char c){
- P5OUT&=~SS; //Drop !SS to begin transaction.
+ SETSS;
+ CLRSS; //Drop !SS to begin transaction.
spitrans8(0x01);//SET STATUS
spitrans8(c);
- P5OUT|=SS; //Raise !SS to end transaction.
+ SETSS; //Raise !SS to end transaction.
//return c;
}
+
+//! Read a block to a buffer.
+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<len;i++)
+ buf[i]=spitrans8(0);
+ SETSS; //Raise !SS to end transaction.
+}
+
+
+//! Read a block to a buffer.
+void spiflash_pokeblock(unsigned long adr,
+ unsigned char *buf,
+ unsigned int len){
+ unsigned char i;
+
+ SETSS;
+
+ spiflash_setstatus(0x02);
+ spiflash_wrten();
+
+ CLRSS; //Drop !SS to begin transaction.
+ spitrans8(0x02); //Poke command.
+
+ //Send address
+ spitrans8((adr&0xFF0000)>>16);
+ spitrans8((adr&0xFF00)>>8);
+ spitrans8(adr&0xFF);
+
+ for(i=0;i<len;i++)
+ spitrans8(buf[i]);
+ SETSS; //Raise !SS to end transaction.
+
+ while(spiflash_status()&0x01)
+ ;
+
+ return;
+}
+
+
//! Peek some blocks.
void spiflash_peek(unsigned char app,
unsigned char verb,
//OCT commands
#define OCT_CMP 0x90
+#define OCT_RES 0x91
//JTAG430 commands
#define JTAG430_HALTCPU 0xA0