AVaRICE / Patches / #3 Daisy chain support (for both mkI & mkII)

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Hi,

I just noticed your answer because I was looking for my own
patch again ;)

I can however still download it here, but I'll add it in
plaintext:

diff -r -u avarice-orig/src/jtag1.h avarice-patch/src/jtag1.h
--- avarice-orig/src/jtag1.h 2005-06-14
21:20:03.000000000 +0200
+++ avarice-patch/src/jtag1.h 2005-06-14
21:20:47.000000000 +0200
@@ -81,6 +81,7 @@
virtual bool synchroniseAt(int bitrate);
virtual void startJtagLink(void);
virtual void deviceAutoConfig(void);
+ virtual void configDaisyChain(void);

uchar *getJtagResponse(int responseSize);
SendResult sendJtagCommand(uchar *command, int
commandSize, int *tries);
diff -r -u avarice-orig/src/jtag2.h avarice-patch/src/jtag2.h
--- avarice-orig/src/jtag2.h 2005-06-14
21:20:03.000000000 +0200
+++ avarice-patch/src/jtag2.h 2005-06-14
21:20:47.000000000 +0200
@@ -76,6 +76,7 @@
virtual bool synchroniseAt(int bitrate);
virtual void startJtagLink(void);
virtual void deviceAutoConfig(void);
+ virtual void configDaisyChain(void);

void sendFrame(uchar *command, int commandSize);
int recvFrame(unsigned char *&msg, unsigned short &seqno);
diff -r -u avarice-orig/src/jtag2io.cc
avarice-patch/src/jtag2io.cc
--- avarice-orig/src/jtag2io.cc 2005-06-14
21:20:03.000000000 +0200
+++ avarice-patch/src/jtag2io.cc 2005-06-14
21:20:47.000000000 +0200
@@ -485,6 +485,9 @@
// Auto config
debugOut("Automatic device detection: ");

+ /* Set daisy chain information */
+ configDaisyChain();
+
/* Read in the JTAG device ID to determine device */
getJtagParameter(PAR_JTAGID, resp, respSize);
jtagCheck(respSize == 4);
@@ -639,3 +642,20 @@
setJtagParameter(PAR_TIMERS_RUNNING, &timers, 1);
resetProgram();
}
+
+void jtag2::configDaisyChain(void)
+{
+ unsigned char buf[4];
+
+ if((dchain.units_before>0) ||
+ (dchain.units_after>0) ||
+ (dchain.bits_before>0) ||
+ (dchain.bits_after>0) ){
+ buf[0] = dchain.units_before;
+ buf[1] = dchain.units_after;
+ buf[2] = dchain.bits_before;
+ buf[3] = dchain.bits_after;
+ setJtagParameter(PAR_DAISY_CHAIN_INFO, buf, 4);
+ }
+}
+
diff -r -u avarice-orig/src/jtag.h avarice-patch/src/jtag.h
--- avarice-orig/src/jtag.h 2005-06-14 21:20:03.000000000 +0200
+++ avarice-patch/src/jtag.h 2005-06-14
21:20:47.000000000 +0200
@@ -624,6 +624,14 @@
// Name of the device controlled by the JTAG ICE
char *device_name;

+ // Daisy chain info
+ struct{
+ unsigned char units_before;
+ unsigned char units_after;
+ unsigned char bits_before;
+ unsigned char bits_after;
+ } dchain;
+
protected:
int safewrite(const void *b, int count);
void changeLocalBitRate(int newBitRate);
diff -r -u avarice-orig/src/jtagio.cc
avarice-patch/src/jtagio.cc
--- avarice-orig/src/jtagio.cc 2005-06-14
21:20:03.000000000 +0200
+++ avarice-patch/src/jtagio.cc 2005-06-14
21:20:47.000000000 +0200
@@ -313,6 +313,9 @@

// Auto config
debugOut("Automatic device detection: ");
+
+ /* Set daisy chain information */
+ configDaisyChain();

/* Read in the JTAG device ID to determine device */
device_id = getJtagParameter(JTAG_P_JTAGID_BYTE0);
@@ -477,3 +480,17 @@
setJtagParameter(JTAG_P_TIMERS_RUNNING, 0x00);
resetProgram();
}
+
+void jtag1::configDaisyChain(void)
+{
+ /* Set daisy chain information (if needed) */
+ if(dchain.units_before>0)
+
setJtagParameter(JTAG_P_UNITS_BEFORE,dchain.units_before);
+ if(dchain.units_after>0)
+
setJtagParameter(JTAG_P_UNITS_BEFORE,dchain.units_before);
+ if(dchain.units_after>0)
+ setJtagParameter(JTAG_P_UNITS_AFTER,dchain.units_after);
+ if(dchain.bits_before>0)
+ setJtagParameter(JTAG_P_BIT_BEFORE,dchain.bits_before);
+ if(dchain.bits_after>0)
+ setJtagParameter(JTAG_P_BIT_AFTER,dchain.bits_after);
+}
+
diff -r -u avarice-orig/src/main.cc avarice-patch/src/main.cc
--- avarice-orig/src/main.cc 2005-06-14
21:20:03.000000000 +0200
+++ avarice-patch/src/main.cc 2005-06-14
21:22:08.000000000 +0200
@@ -179,6 +179,9 @@
" -l, --read-lockbits Read lock bits.\n");
fprintf(stderr,
" -L, --write-lockbits <ll> Write lock
bits.\n");
+ fprintf(stderr,
+ " -c, --daisy-chain <c,c,c,c> Daisy chain
settings:\n"
+ " <units before,
units after, bits before, bits after>\n");
fprintf(stderr,
" -P, --part <name> Target device
name (e.g."
" atmega16)\n\n");
@@ -212,6 +215,7 @@
{ "detach", 0, 0, 'D' },
{ "capture", 0, 0, 'C' },
{ "file", 1, 0, 'f' },
+ { "daisy-chain", 1, 0, 'c'},
{ 0, 0, 0, 0 }
};

@@ -243,6 +247,10 @@
char *progname = argv[0];
int protocol = 1; // default to mkI protocol
int option_index;
+ unsigned int units_before = 0;
+ unsigned int units_after = 0;
+ unsigned int bits_before = 0;
+ unsigned int bits_after = 0;

statusOut("AVaRICE version %s, %s %s\n\n",
PACKAGE_VERSION, __DATE__, __TIME__);
@@ -253,7 +261,7 @@

while (1)
{
- int c = getopt_long (argc, argv,
"12VhdDCIf:j:B:pverW:lL:P:",
+ int c = getopt_long (argc, argv,
"12VhdDCIf:j:B:pverW:lL:P:c:",
long_opts, &option_index);
if (c == -1)
break; /* no more options */
@@ -315,8 +323,11 @@
case 'P':
device_name = optarg;
break;
- case 'V':
- exit(0);
+ case 'c':
+
sscanf(optarg,"%u,%u,%u,%u",&units_before,&units_after,&bits_before,&bits_after);
+ break;
+ case 'V':
+ exit(0);
default:
fprintf (stderr, "getop() did something
screwey");
exit (1);
@@ -407,6 +418,12 @@
exit(1);
}

+ /* Set Daisy-chain variables */
+ theJtagICE->dchain.units_before = (unsigned char)
units_before;
+ theJtagICE->dchain.units_after = (unsigned char)
units_after;
+ theJtagICE->dchain.bits_before = (unsigned char)
bits_before;
+ theJtagICE->dchain.bits_after = (unsigned char) bits_after;
+
// Init JTAG box.
theJtagICE->initJtagBox();
}

Daisy chain support (for both mkI & mkII)

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#3 Daisy chain support (for both mkI & mkII)

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