Merge pull request #1520 from stefanrueger/prodsig-isp

Enable prodsig read for stk500v2 based programmers
avrdudes · Oct 17, 2023 · 8f2fcf6 · 8f2fcf6
2 parents cbac634 + 61daaa3
commit 8f2fcf6
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/stk500v2.c b/src/stk500v2.c
@@ -2326,6 +2326,11 @@ static int stk500hv_read_byte(const PROGRAMMER *pgm, const AVRPART *p, const AVR
     buf[0] = mode == PPMODE? CMD_READ_OSCCAL_PP: CMD_READ_OSCCAL_HVSP;
   } else if (str_eq(mem->desc, "signature")) {
     buf[0] = mode == PPMODE? CMD_READ_SIGNATURE_PP: CMD_READ_SIGNATURE_HVSP;
+  } else if (str_eq(mem->desc, "prodsig")) {
+    buf[0] = addr&1?
+      (mode == PPMODE? CMD_READ_OSCCAL_PP: CMD_READ_OSCCAL_HVSP):
+      (mode == PPMODE? CMD_READ_SIGNATURE_PP: CMD_READ_SIGNATURE_HVSP);
+    addr /= 2;
   }
 
   /*
@@ -2455,8 +2460,11 @@ static int stk500isp_read_byte(const PROGRAMMER *pgm, const AVRPART *p, const AV
     buf[0] = CMD_READ_OSCCAL_ISP;
   } else if (str_eq(mem->desc, "signature")) {
     buf[0] = CMD_READ_SIGNATURE_ISP;
+  } else if (str_eq(mem->desc, "prodsig")) {
+    buf[0] = addr&1? CMD_READ_OSCCAL_ISP: CMD_READ_SIGNATURE_ISP;
   }
 
+
   if ((op = mem->op[AVR_OP_READ]) == NULL) {
     pmsg_error("invalid operation AVR_OP_READ on %s memory\n", mem->desc);
     return -1;