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UPDI pin mode or MVIO mode fuses for AVR-DD #62

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UPDI pin mode or MVIO mode fuses for AVR-DD #62

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b6b8ed4
enable avr-dd updi pin by default
tactical-snacks Jun 6, 2023
637b975
add mvio support for avr-dd
tactical-snacks Jun 6, 2023
1d19f6d
not mess megacorex
tactical-snacks Jun 6, 2023
89e21f5
mvio notify for avr-dd
tactical-snacks Jun 6, 2023
994f915
clean up mvio fuse config
tactical-snacks Jun 6, 2023
c252bed
allow updi pin as gpio
tactical-snacks Sep 8, 2023
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15 changes: 11 additions & 4 deletions builder/fuses.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,14 @@ def get_syscfg0_fuse(eesave, pin, uart):
rstpin_bit = 1
else:
rstpin_bit = 1
return 0xC0 | rstpin_bit << 3 | eesave_bit
if ("dd" in board.get("build.mcu").lower()):
if pin == "gpio":
updipin_bit = 0
else:
updipin_bit = 1
else:
updipin_bit = 0
return 0xC0 | updipin_bit << 4 | rstpin_bit << 3 | eesave_bit

elif core == "megatinycore":
if pin == "gpio":
Expand All @@ -73,9 +80,9 @@ def get_syscfg0_fuse(eesave, pin, uart):
env.Exit(1)


# Handle AVR-DB's differently since these has MVIO pins
# Handle AVR-DB's and DD's differently since these has MVIO pins
def get_syscfg1_fuse(mvio):
if core == "dxcore" and ("db" in board.get("build.mcu").lower()):
if core == "dxcore" and ("db" or "dd" in board.get("build.mcu").lower()):
if(mvio == "yes"):
return 0x0E
else:
Expand Down Expand Up @@ -152,7 +159,7 @@ def calculate_fuses(board_config, predefined_fuses):
print("Oscillator = %s" % oscillator)
print("BOD level = %s" % bod)
print("Save EEPROM = %s" % eesave)
if core == "dxcore" and "db" in board.get("build.mcu").lower():
if core == "dxcore" and ("db" or "dd" in board.get("build.mcu").lower()):
print("MVIO enable = %s" % mvio)
print("%s = %s" % (
"Reset pin mode" if core in ("MegaCoreX", "dxcore") else "UPDI pin mode", pin))
Expand Down