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Merge pull request #1015 from MCUdude/hv-updi

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Add support for high-voltage UPDI
This commit is contained in:
Stefan Rueger
2022-07-18 14:28:39 +01:00
committed by GitHub
parent 1d3a7591ea dde35018eb
commit 6fa7400e4e
10 changed files with 184 additions and 26 deletions
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40
src/jtag3.c
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@@ -71,6 +71,9 @@ struct pdata
/* Start address of Xmega boot area */
unsigned long boot_start;
/* Flag for triggering HV UPDI */
bool use_hvupdi;
/* Function to set the appropriate clock parameter */
int (*set_sck)(PROGRAMMER *, unsigned char *);
};
@@ -1204,6 +1207,7 @@ static int jtag3_initialize(PROGRAMMER * pgm, AVRPART * p)
u16_to_b2(xd.nvm_base_addr, p->nvm_base);
u16_to_b2(xd.ocd_base_addr, p->ocd_base);
xd.hvupdi_variant = p->hvupdi_variant;
for (ln = lfirst(p->mem); ln; ln = lnext(ln))
{
@@ -1258,6 +1262,29 @@ static int jtag3_initialize(PROGRAMMER * pgm, AVRPART * p)
}
}
// Generate UPDI high-voltage pulse if user asks for it and hardware supports it
LNODEID support;
if (p->flags & AVRPART_HAS_UPDI &&
PDATA(pgm)->use_hvupdi == true &&
p->hvupdi_variant != HV_UPDI_VARIANT_1) {
parm[0] = PARM3_UPDI_HV_NONE;
for (support = lfirst(pgm->hvupdi_support); support != NULL; support = lnext(support)) {
if(*(int *) ldata(support) == p->hvupdi_variant) {
avrdude_message(MSG_NOTICE, "%s: Sending HV pulse to targets %s pin\n",
progname, p->hvupdi_variant == HV_UPDI_VARIANT_0 ? "UPDI" : "RESET");
parm[0] = PARM3_UPDI_HV_SIMPLE_PULSE;
break;
}
if (parm[0] == PARM3_UPDI_HV_NONE) {
avrdude_message(MSG_INFO, "%s: %s does not support sending HV pulse to target %s\n",
progname, pgm->desc, p->desc);
return -1;
}
}
if (jtag3_setparm(pgm, SCOPE_AVR, 3, PARM3_OPT_12V_UPDI_ENABLE, parm, 1) < 0)
return -1;
}
u16_to_b2(xd.default_min_div1_voltage, DEFAULT_MINIMUM_CHARACTERISED_DIV1_VOLTAGE_MV);
u16_to_b2(xd.default_min_div2_voltage, DEFAULT_MINIMUM_CHARACTERISED_DIV2_VOLTAGE_MV);
u16_to_b2(xd.default_min_div4_voltage, DEFAULT_MINIMUM_CHARACTERISED_DIV4_VOLTAGE_MV);
@@ -1483,6 +1510,12 @@ static int jtag3_parseextparms(PROGRAMMER * pgm, LISTID extparms)
continue;
}
else if ((strcmp(extended_param, "hvupdi") == 0) &&
(lsize(pgm->hvupdi_support) > 1)) {
PDATA(pgm)->use_hvupdi = true;
continue;
}
avrdude_message(MSG_INFO, "%s: jtag3_parseextparms(): invalid extended parameter '%s'\n",
progname, extended_param);
rv = -1;
@@ -1630,6 +1663,12 @@ static int jtag3_open_updi(PROGRAMMER * pgm, char * port)
{
avrdude_message(MSG_NOTICE2, "%s: jtag3_open_updi()\n", progname);
LNODEID ln;
avrdude_message(MSG_NOTICE2, "%s: HV UPDI support:", progname);
for (ln = lfirst(pgm->hvupdi_support); ln; ln = lnext(ln))
avrdude_message(MSG_NOTICE2, " %d", *(int *) ldata(ln));
avrdude_message(MSG_NOTICE2, "\n", progname);
if (jtag3_open_common(pgm, port) < 0)
return -1;
@@ -2606,6 +2645,7 @@ void jtag3_updi_initpgm(PROGRAMMER * pgm)
* mandatory functions
*/
pgm->initialize = jtag3_initialize;
pgm->parseextparams = jtag3_parseextparms;
pgm->display = jtag3_display;
pgm->enable = jtag3_enable;
pgm->disable = jtag3_disable;