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Add -xvtarg to jtag3.c

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MCUdude
2023-04-17 22:18:04 +02:00
parent 7b5867943d
commit a8b263f1f0
1 changed files with 48 additions and 0 deletions
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48
src/jtag3.c
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@@ -84,6 +84,11 @@ struct pdata
bool vtarg_switch_set;
unsigned char vtarg_switch_data[2];
/* Get/set flags for adjustable target voltage */
bool vtarg_get;
bool vtarg_set;
double vtarg_data;
/* Function to set the appropriate clock parameter */
int (*set_sck)(const PROGRAMMER *, unsigned char *);
};
@@ -1144,6 +1149,26 @@ static int jtag3_initialize(const PROGRAMMER *pgm, const AVRPART *p) {
}
}
// Read or write target voltage
if (PDATA(pgm)->vtarg_get || PDATA(pgm)->vtarg_set) {
// Read current target voltage set value
unsigned char buf[2];
if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_VADJUST, buf, 2) < 0)
return -1;
double vtarg_read = b2_to_u16(buf) / 1000.0;
if (PDATA(pgm)->vtarg_get)
msg_info("Target voltage value read as %.2fV\n", vtarg_read);
// Write target voltage value
else {
u16_to_b2(buf, (unsigned)(PDATA(pgm)->vtarg_data * 1000));
msg_info("Changing target voltage from %.2f to %.2fV\n", vtarg_read, PDATA(pgm)->vtarg_data);
if (jtag3_setparm(pgm, SCOPE_GENERAL, 1, PARM3_VADJUST, buf, sizeof(buf)) < 0) {
msg_warning("Cannot set target voltage %.2fV\n", PDATA(pgm)->vtarg_data);
return -1;
}
}
}
/* set device descriptor data */
if ((p->prog_modes & PM_PDI)) {
struct xmega_device_desc xd;
@@ -1528,6 +1553,29 @@ static int jtag3_parseextparms(const PROGRAMMER *pgm, const LISTID extparms) {
}
}
else if (str_starts(extended_param, "vtarg")) {
if (pgm->extra_features & HAS_VTARG_ADJ) {
// Set target voltage
if (str_starts(extended_param, "vtarg=") ) {
double vtarg_set_val = 0;
int sscanf_success = sscanf(extended_param, "vtarg=%lf", &vtarg_set_val);
PDATA(pgm)->vtarg_data = (double)((int)(vtarg_set_val * 100 + .5)) / 100;
if (sscanf_success < 1 || vtarg_set_val < 0) {
pmsg_error("invalid vtarg value '%s'\n", extended_param);
rv = -1;
break;
}
PDATA(pgm)->vtarg_set = true;
}
// Get target voltage
else if(str_eq(extended_param, "vtarg"))
PDATA(pgm)->vtarg_get = true;
else
break;
continue;
}
}
else if (str_eq(extended_param, "help")) {
char *prg = (char *)ldata(lfirst(pgm->id));
msg_error("%s -c %s extended options:\n", progname, prg);