Add a fixed delay for AVR Dragon and Arduino Nano Every on port close

MCUdude · Jan 29, 2024 · 129aba5 · 129aba5
1 parent 68dd7db
commit 129aba5
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diff --git a/src/avrdude.conf.in b/src/avrdude.conf.in
@@ -2965,9 +2965,11 @@ programmer # c2n232i
 
 # JTAG2UPDI
 # https://github.com/ElTangas/jtag2updi
+# Arduino Nano Every (jtag2updi with 1200 baud touch, -r)
+# https://github.com/arduino/ArduinoCore-megaavr/tree/master/firmwares/MuxTO
 
 programmer # jtag2updi
-    id                     = "jtag2updi";
+    id                     = "jtag2updi", "nanoevery";
     desc                   = "JTAGv2 to UPDI bridge";
     type                   = "jtagmkii_updi";
     prog_modes             = PM_UPDI;

diff --git a/src/jtagmkII.c b/src/jtagmkII.c
@@ -1797,6 +1797,15 @@ void jtagmkII_close(PROGRAMMER * pgm)
 
   serial_close(&pgm->fd);
   pgm->fd.ifd = -1;
+
+  /* The AVR Dragon and the Arduino Nano Every needs a delay
+   * after a programming session has ended before Avrdude can
+   * communicate with the programmer again.
+   */
+  if (str_casestarts(pgmid, "dragon"))
+    sleep(1.5);
+  else if (str_caseeq(pgmid, "nanoevery"))
+    sleep(0.5);
 }
 
 static int jtagmkII_page_erase(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m,