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Enable prodsig read for avrftdi_jtag type programmers

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Stefan Rueger
2023-10-16 21:01:33 +01:00
parent f2378875b0
commit 03e7ffda90
1 changed files with 9 additions and 0 deletions
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9
src/avrftdi.c
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@@ -1591,6 +1591,15 @@ static int avrftdi_jtag_read_byte(const PROGRAMMER *pgm, const AVRPART *p,
avrftdi_jtag_dr_out(pgm, 0x3600, 15);
*value = avrftdi_jtag_dr_inout(pgm, 0x3700, 15) & 0xff;
} else if (str_eq(m->desc, "prodsig")) {
avrftdi_jtag_ir_out(pgm, JTAG_IR_PROG_COMMANDS);
avrftdi_jtag_dr_out(pgm, 0x2300 | JTAG_DR_PROG_SIGCAL_READ, 15);
avrftdi_jtag_dr_out(pgm, 0x0300 | (addr/2 & 0xff), 15);
/* Read prodsig byte either through signature (even addr) or calibration (odd) */
avrftdi_jtag_dr_out(pgm, addr&1? 0x3600: 0x3200, 15);
*value = avrftdi_jtag_dr_inout(pgm, addr&1? 0x3700: 0x3300, 15) & 0xff;
} else {
return -1;
}