self.readcmd(blocks); #Uncomment this later, to ensure a response.
def readcmd(self,blocks=1):
"""Read a reply from the GoodFET."""
- self.app=ord(self.serialport.read(1));
- self.verb=ord(self.serialport.read(1));
- self.count=ord(self.serialport.read(1));
- self.data=self.serialport.read(self.count*blocks);
- #print "READ %02x %02x %02x " % (self.app, self.verb, self.count);
- return self.data;
+ while 1:
+ self.app=ord(self.serialport.read(1));
+ self.verb=ord(self.serialport.read(1));
+ self.count=ord(self.serialport.read(1));
+ self.data=self.serialport.read(self.count*blocks);
+ #print "READ %02x %02x %02x " % (self.app, self.verb, self.count);
+
+ #Debugging string; print, but wait.
+ if self.app==0xFF and self.verb==0xFF:
+ print "DEBUG %s" % self.data;
+ else:
+ return self.data;
#Monitor stuff
def out(self,byte):
};
JEDECdevices={0xFFFFFF: "MISSING",
+ 0xEF3015: "W25X16L",
0xEF3014: "W25X80L",
0xEF3013: "W25X40L",
0xEF3012: "W25X20L",
//! Read data from address
unsigned int jtag430x2_readmem(unsigned long adr){
unsigned int toret=0;
+ unsigned int tries=5;
- do{
- jtag_ir_shift8(IR_CNTRL_SIG_CAPTURE);
- }while(!(jtag_dr_shift16(0) & 0x0301));
-
- if(jtag_dr_shift16(0) & 0x0301){
- // Read Memory
- CLRTCLK;
- jtag_ir_shift8(IR_CNTRL_SIG_16BIT);
- if(adr>=0x100){
- jtag_dr_shift16(0x0501);//word read
- }else{
- jtag_dr_shift16(0x0511);//byte read
- }
+ while(1){
+ do{
+ jtag_ir_shift8(IR_CNTRL_SIG_CAPTURE);
+ }while(!(jtag_dr_shift16(0) & 0x0301));
- jtag_ir_shift8(IR_ADDR_16BIT);
- jtag_dr_shift20(adr); //20
-
- jtag_ir_shift8(IR_DATA_TO_ADDR);
- SETTCLK;
- CLRTCLK;
- toret = jtag_dr_shift16(0x0000);
-
- SETTCLK;
-
- //Cycle a bit.
- CLRTCLK;
- SETTCLK;
- }else{
- return 0xBABE;
+ if(jtag_dr_shift16(0) & 0x0301){
+ // Read Memory
+ CLRTCLK;
+ jtag_ir_shift8(IR_CNTRL_SIG_16BIT);
+ if(adr>=0x100){
+ jtag_dr_shift16(0x0501);//word read
+ }else{
+ jtag_dr_shift16(0x0511);//byte read
+ }
+
+ jtag_ir_shift8(IR_ADDR_16BIT);
+ jtag_dr_shift20(adr); //20
+
+ jtag_ir_shift8(IR_DATA_TO_ADDR);
+ SETTCLK;
+ CLRTCLK;
+ toret = jtag_dr_shift16(0x0000);
+
+ SETTCLK;
+
+ //Cycle a bit.
+ CLRTCLK;
+ SETTCLK;
+ return toret;
+ }
}
-
- return toret;
+ //return toret;
}
//! Syncs a POR.
//This could be more accurate.
//Does it ever need to be?
#define SPISPEED 0
-#define SPIDELAY(x) delay(x)
+#define SPIDELAY(x)
+//delay(x)
//! Set up the pins for SPI mode.
spitrans8(buf[i]);
SETSS; //Raise !SS to end transaction.
- while(spiflash_status()&0x01)
- ;
+ //while(spiflash_status()&0x01);
return;
}
unsigned char i;
//Raise !SS to end transaction, just in case we forgot.
- P5OUT|=SS;
+ P5OUT|=SS;
+ spisetup();
switch(verb){
//PEEK and POKE might come later.
#define OCT 0x70
+#define DEBUGAPP 0xFF
#define NOK 0x7E
#define OK 0x7F
+#define DEBUGSTR 0xFF
+
// Monitor Commands
#define MONITOR_CHANGE_BAUD 0x80
#define MONITOR_RAM_PATTERN 0x90
void txstring(unsigned char app,
unsigned char verb,
const char *str);
+//! Transmit a debug string.
+void debugstr(const char *str);
//! Delay
void delay(unsigned int count);
unsigned char cmddata[256];
+
//! Transmit a string.
void txstring(unsigned char app,
unsigned char verb,
serial_tx(*(str++));
}
+//! Transmits a debugging string out of line.
+void debugstr(const char *str){
+ txstring(0xFF,0xFF,str);
+}
+
+
//! Transmit data.
void txdata(unsigned char app,
unsigned char verb,