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Merge pull request #1046 from stefanrueger/stk500 

Deprecate original STK500 v1 protocol in favour of optiboot and Arduino as ISP
This commit is contained in:
Stefan Rueger 2022-08-02 18:30:21 +01:00 committed by GitHub
parent 7f63632c6e 3d06457a16
commit 310b801c59
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 66 additions and 60 deletions
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82
src/stk500.c
View File

@ -91,8 +91,6 @@ int stk500_getsync(PROGRAMMER * pgm)
int attempt;
int max_sync_attempts;
/*
* get in sync */
buf[0] = Cmnd_STK_GET_SYNC;
buf[1] = Sync_CRC_EOP;
@ -119,11 +117,12 @@ int stk500_getsync(PROGRAMMER * pgm)
usleep(50*1000);
stk500_drain(pgm, 0);
}
stk500_send(pgm, buf, 2);
stk500_recv(pgm, resp, 1);
if (resp[0] == Resp_STK_INSYNC){
resp[0] = 0;
if(stk500_recv(pgm, resp, 1) >= 0 && resp[0] == Resp_STK_INSYNC)
break;
}
avrdude_message(MSG_INFO, "%s: stk500_getsync() attempt %d of %d: not in sync: resp=0x%02x\n",
progname, attempt + 1, max_sync_attempts, resp[0]);
}
@ -204,15 +203,14 @@ static int stk500_chip_erase(PROGRAMMER * pgm, AVRPART * p)
}
if (p->op[AVR_OP_CHIP_ERASE] == NULL) {
avrdude_message(MSG_INFO, "chip erase instruction not defined for part \"%s\"\n",
p->desc);
avrdude_message(MSG_INFO, "%s: chip erase instruction not defined for part \"%s\"\n",
progname, p->desc);
return -1;
}
pgm->pgm_led(pgm, ON);
memset(cmd, 0, sizeof(cmd));
avr_set_bits(p->op[AVR_OP_CHIP_ERASE], cmd);
pgm->cmd(pgm, cmd, res);
usleep(p->chip_erase_delay);
@ -745,8 +743,8 @@ static int stk500_loadaddr(PROGRAMMER * pgm, AVRMEM * mem, unsigned int addr)
if (lext != NULL) {
ext_byte = (addr >> 16) & 0xff;
if (ext_byte != PDATA(pgm)->ext_addr_byte) {
/* Either this is the first addr load, or a 64K word boundary is
* crossed, so set the ext addr byte */
/* Either this is the first addr load, or a different 64K word section */
memset(buf, 0, 4);
avr_set_bits(lext, buf);
avr_set_addr(lext, buf, addr);
stk500_cmd(pgm, buf, buf);
@ -782,13 +780,12 @@ static int stk500_loadaddr(PROGRAMMER * pgm, AVRMEM * mem, unsigned int addr)
if (stk500_recv(pgm, buf, 1) < 0)
return -1;
if (buf[0] == Resp_STK_OK) {
if (buf[0] == Resp_STK_OK)
return 0;
}
avrdude_message(MSG_INFO, "%s: loadaddr(): (b) protocol error, "
avrdude_message(MSG_INFO, "%s: stk500_loadaddr(): (b) protocol error, "
"expect=0x%02x, resp=0x%02x\n",
progname, Resp_STK_INSYNC, buf[0]);
progname, Resp_STK_OK, buf[0]);
return -1;
}
@ -808,19 +805,20 @@ static int stk500_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
if (strcmp(m->desc, "flash") == 0) {
memtype = 'F';
}
else if (strcmp(m->desc, "eeprom") == 0) {
a_div = 2;
} else if (strcmp(m->desc, "eeprom") == 0) {
memtype = 'E';
}
else {
/*
* The STK original 500 v1 protocol actually expects a_div = 1, but the
* v1.x FW of the STK500 kit has been superseded by v2 FW in the mid
* 2000s. Since optiboot, arduino as ISP and others assume a_div = 2,
* better use that. See https://github.com/avrdudes/avrdude/issues/967
*/
a_div = 2;
} else {
return -2;
}
if ((m->op[AVR_OP_LOADPAGE_LO]) || (m->op[AVR_OP_READ_LO]))
a_div = 2;
else
a_div = 1;
n = addr + n_bytes;
#if 0
avrdude_message(MSG_INFO, "n_bytes = %d\n"
@ -828,7 +826,7 @@ static int stk500_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
"a_div = %d\n"
"page_size = %d\n",
n_bytes, n, a_div, page_size);
#endif
#endif
for (; addr < n; addr += block_size) {
// MIB510 uses fixed blocks size of 256 bytes
@ -875,13 +873,13 @@ static int stk500_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
progname, Resp_STK_INSYNC, buf[0]);
return -4;
}
if (stk500_recv(pgm, buf, 1) < 0)
return -1;
if (buf[0] != Resp_STK_OK) {
avrdude_message(MSG_INFO, "\n%s: stk500_paged_write(): (a) protocol error, "
avrdude_message(MSG_INFO, "\n%s: stk500_paged_write(): (b) protocol error, "
"expect=0x%02x, resp=0x%02x\n",
progname, Resp_STK_INSYNC, buf[0]);
progname, Resp_STK_OK, buf[0]);
return -5;
}
}
@ -902,19 +900,20 @@ static int stk500_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
if (strcmp(m->desc, "flash") == 0) {
memtype = 'F';
}
else if (strcmp(m->desc, "eeprom") == 0) {
a_div = 2;
} else if (strcmp(m->desc, "eeprom") == 0) {
memtype = 'E';
}
else {
/*
* The STK original 500 v1 protocol actually expects a_div = 1, but the
* v1.x FW of the STK500 kit has been superseded by v2 FW in the mid
* 2000s. Since optiboot, arduino as ISP and others assume a_div = 2,
* better use that. See https://github.com/avrdudes/avrdude/issues/967
*/
a_div = 2;
} else {
return -2;
}
if ((m->op[AVR_OP_LOADPAGE_LO]) || (m->op[AVR_OP_READ_LO]))
a_div = 2;
else
a_div = 1;
n = addr + n_bytes;
for (; addr < n; addr += block_size) {
// MIB510 uses fixed blocks size of 256 bytes
@ -973,7 +972,7 @@ static int stk500_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
}
else {
if (buf[0] != Resp_STK_OK) {
avrdude_message(MSG_INFO, "\n%s: stk500_paged_load(): (a) protocol error, "
avrdude_message(MSG_INFO, "\n%s: stk500_paged_load(): (b) protocol error, "
"expect=0x%02x, resp=0x%02x\n",
progname, Resp_STK_OK, buf[0]);
return -5;
@ -1037,7 +1036,8 @@ static int stk500_set_fosc(PROGRAMMER * pgm, double v)
static unsigned ps[] = {
1, 8, 32, 64, 128, 256, 1024
};
int idx, rc;
size_t idx;
int rc;
prescale = cmatch = 0;
if (v > 0.0) {
@ -1155,7 +1155,7 @@ static int stk500_getparm(PROGRAMMER * pgm, unsigned parm, unsigned * value)
return -3;
}
else if (buf[0] != Resp_STK_OK) {
avrdude_message(MSG_INFO, "\n%s: stk500_getparm(): (a) protocol error, "
avrdude_message(MSG_INFO, "\n%s: stk500_getparm(): (b) protocol error, "
"expect=0x%02x, resp=0x%02x\n",
progname, Resp_STK_OK, buf[0]);
return -3;
@ -1214,9 +1214,9 @@ static int stk500_setparm(PROGRAMMER * pgm, unsigned parm, unsigned value)
return -3;
}
else {
avrdude_message(MSG_INFO, "\n%s: stk500_setparm(): (a) protocol error, "
avrdude_message(MSG_INFO, "\n%s: stk500_setparm(): (b) protocol error, "
"expect=0x%02x, resp=0x%02x\n",
progname, Resp_STK_INSYNC, buf[0]);
progname, Resp_STK_OK, buf[0]);
return -3;
}
}

44
src/stk500v2.c
View File

@ -392,9 +392,7 @@ static int stk500v2_send_mk2(PROGRAMMER * pgm, unsigned char * data, size_t len)
static unsigned short get_jtagisp_return_size(unsigned char cmd)
{
int i;
for (i = 0; i < sizeof jtagispcmds / sizeof jtagispcmds[0]; i++)
for (size_t i = 0; i < sizeof jtagispcmds / sizeof jtagispcmds[0]; i++)
if (jtagispcmds[i].cmd == cmd)
return jtagispcmds[i].size;
@ -481,7 +479,6 @@ static int stk500v2_jtag3_send(PROGRAMMER * pgm, unsigned char * data, size_t le
static int stk500v2_send(PROGRAMMER * pgm, unsigned char * data, size_t len)
{
unsigned char buf[275 + 6]; // max MESSAGE_BODY of 275 bytes, 6 bytes overhead
int i;
if (PDATA(pgm)->pgmtype == PGMTYPE_AVRISP_MKII ||
PDATA(pgm)->pgmtype == PGMTYPE_STK600)
@ -500,12 +497,13 @@ static int stk500v2_send(PROGRAMMER * pgm, unsigned char * data, size_t len)
// calculate the XOR checksum
buf[5+len] = 0;
for (i=0;i<5+len;i++)
for (size_t i=0; i<5+len; i++)
buf[5+len] ^= buf[i];
DEBUG("STK500V2: stk500v2_send(");
for (i=0;i<len+6;i++) DEBUG("0x%02x ",buf[i]);
DEBUG(", %d)\n",len+6);
for (size_t i=0; i<len+6; i++)
DEBUG("0x%02x ", buf[i]);
DEBUG(", %d)\n", (int) len+6);
if (serial_send(&pgm->fd, buf, len+6) != 0) {
avrdude_message(MSG_INFO, "%s: stk500_send(): failed to send command to serial port\n",progname);
@ -551,9 +549,9 @@ static int stk500v2_jtagmkII_recv(PROGRAMMER * pgm, unsigned char *msg,
progname);
return -1;
}
if (rv - 1 > maxsize) {
if ((size_t) rv - 1 > maxsize) {
avrdude_message(MSG_INFO, "%s: stk500v2_jtagmkII_recv(): got %u bytes, have only room for %u bytes\n",
progname, (unsigned)rv - 1, (unsigned)maxsize);
progname, (unsigned) rv - 1, (unsigned) maxsize);
rv = maxsize;
}
switch (jtagmsg[0]) {
@ -597,9 +595,9 @@ static int stk500v2_jtag3_recv(PROGRAMMER * pgm, unsigned char *msg,
implementation of JTAGICE3, as they always request a full 512
octets from the ICE. Thus, only complain at high verbose
levels. */
if (rv - 1 > maxsize) {
if ((size_t) rv - 1 > maxsize) {
avrdude_message(MSG_DEBUG, "%s: stk500v2_jtag3_recv(): got %u bytes, have only room for %u bytes\n",
progname, (unsigned)rv - 1, (unsigned)maxsize);
progname, (unsigned) rv - 1, (unsigned) maxsize);
rv = maxsize;
}
if (jtagmsg[0] != SCOPE_AVR_ISP) {
@ -814,13 +812,13 @@ retry:
static int stk500v2_command(PROGRAMMER * pgm, unsigned char * buf,
size_t len, size_t maxlen) {
int i;
int tries = 0;
int status;
DEBUG("STK500V2: stk500v2_command(");
for (i=0;i<len;i++) DEBUG("0x%02x ",buf[i]);
DEBUG(", %d)\n",len);
for (size_t i=0; i<len; i++)
DEBUG("0x%02x ",buf[i]);
DEBUG(", %d)\n", (int) len);
retry:
tries++;
@ -991,6 +989,7 @@ static int stk500v2_chip_erase(PROGRAMMER * pgm, AVRPART * p)
buf[0] = CMD_CHIP_ERASE_ISP;
buf[1] = p->chip_erase_delay / 1000;
buf[2] = 0; // use delay (?)
memset(buf+3, 0, 4);
avr_set_bits(p->op[AVR_OP_CHIP_ERASE], buf+3);
result = stk500v2_command(pgm, buf, 7, sizeof(buf));
usleep(p->chip_erase_delay);
@ -1121,8 +1120,8 @@ retry:
buf[5] = p->bytedelay;
buf[6] = p->pollvalue;
buf[7] = p->pollindex;
memset(buf+8, 0, 4);
avr_set_bits(p->op[AVR_OP_PGM_ENABLE], buf+8);
buf[10] = buf[11] = 0;
rv = stk500v2_command(pgm, buf, 12, sizeof(buf));
@ -1957,12 +1956,12 @@ static int stk500isp_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
buf[0] = CMD_READ_SIGNATURE_ISP;
}
memset(buf + 1, 0, 5);
if ((op = mem->op[AVR_OP_READ]) == NULL) {
avrdude_message(MSG_INFO, "%s: stk500isp_read_byte(): invalid operation AVR_OP_READ on %s memory\n",
progname, mem->desc);
return -1;
}
memset(buf+2, 0, 4);
avr_set_bits(op, buf + 2);
if ((pollidx = avr_get_output_index(op)) == -1) {
avrdude_message(MSG_INFO, "%s: stk500isp_read_byte(): cannot determine pollidx to read %s memory\n",
@ -2314,6 +2313,7 @@ static int stk500v2_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
progname, p->desc);
return -1;
}
memset(cmds, 0, sizeof cmds);
avr_set_bits(m->op[AVR_OP_LOADPAGE_LO], cmds);
commandbuf[5] = cmds[0];
@ -2322,6 +2322,8 @@ static int stk500v2_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
progname, p->desc);
return -1;
}
memset(cmds, 0, sizeof cmds);
avr_set_bits(m->op[AVR_OP_WRITEPAGE], cmds);
commandbuf[6] = cmds[0];
@ -2335,6 +2337,7 @@ static int stk500v2_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
progname, p->desc);
return -1;
}
memset(cmds, 0, sizeof cmds);
avr_set_bits(wop, cmds);
commandbuf[5] = cmds[0];
commandbuf[6] = 0;
@ -2346,6 +2349,7 @@ static int stk500v2_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
progname, p->desc);
return -1;
}
memset(cmds, 0, sizeof cmds);
avr_set_bits(rop, cmds);
commandbuf[7] = cmds[0];
@ -2549,6 +2553,7 @@ static int stk500v2_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
progname, p->desc);
return -1;
}
memset(cmds, 0, sizeof cmds);
avr_set_bits(rop, cmds);
commandbuf[3] = cmds[0];
@ -2753,7 +2758,8 @@ static int stk500v2_set_fosc(PROGRAMMER * pgm, double v)
static unsigned ps[] = {
1, 8, 32, 64, 128, 256, 1024
};
int idx, rc;
size_t idx;
int rc;
prescale = cmatch = 0;
if (v > 0.0) {
@ -2774,7 +2780,7 @@ static int stk500v2_set_fosc(PROGRAMMER * pgm, double v)
fosc = (unsigned)v;
for (idx = 0; idx < sizeof(ps) / sizeof(ps[0]); idx++) {
if (fosc >= STK500V2_XTAL / (256 * ps[idx] * 2)) {
if ((unsigned) fosc >= STK500V2_XTAL / (256 * ps[idx] * 2)) {
/* this prescaler value can handle our frequency */
prescale = idx + 1;
cmatch = (unsigned)(STK500V2_XTAL / (2 * fosc * ps[idx])) - 1;
@ -2821,7 +2827,7 @@ static double avrispmkIIfreqs[] = {
static int stk500v2_set_sck_period_mk2(PROGRAMMER * pgm, double v)
{
int i;
size_t i;
for (i = 0; i < sizeof(avrispmkIIfreqs) / sizeof(avrispmkIIfreqs[0]); i++) {
if (1 / avrispmkIIfreqs[i] >= v)