firmware: Enable BOD in ATtiny841 fuse settings

2 files changed, 5 insertions, 80 deletions

diff --git a/firmware/configuration/Nanite841/Makefile.inc b/firmware/configuration/Nanite841/Makefile.inc
index e147248..bea42da 100644
--- a/firmware/configuration/Nanite841/Makefile.inc
+++ b/firmware/configuration/Nanite841/Makefile.inc
@@ -17,44 +17,5 @@ DEVICE = attiny841
 # - round that down to 94 - our new bootloader address is 94 * 64 = 6016, in hex = 1780
 BOOTLOADER_ADDRESS = 1980
 
-FUSEOPT = -U lfuse:w:0xe2:m -U hfuse:w:0xdd:m -U efuse:w:0xfe:m
-FUSEOPT_DISABLERESET =  # TODO
-
-#---------------------------------------------------------------------
-# ATtiny841
-#---------------------------------------------------------------------
-# Fuse extended byte:
-# 0xFE = 1 1 1 1   1 1 1 0
-#                        ^
-#                        |
-#                        +---- SELFPRGEN (enable self programming flash)
-#
-# Fuse high byte:
-# 0xdd = 1 1 0 1   1 1 0 1
-#        ^ ^ ^ ^   ^ \-+-/ 
-#        | | | |   |   +------ BODLEVEL 2..0 (brownout trigger level -> 2.7V)
-#        | | | |   +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
-#        | | | +-------------- WDTON (watchdog timer always on -> disable)
-#        | | +---------------- SPIEN (enable serial programming -> enabled)
-#        | +------------------ DWEN (debug wire enable)
-#        +-------------------- RSTDISBL (disable external reset -> enabled)
-#
-# Fuse high byte ("no reset": external reset disabled, can't program through SPI anymore)
-# 0x5d = 0 1 0 1   1 1 0 1
-#        ^ ^ ^ ^   ^ \-+-/ 
-#        | | | |   |   +------ BODLEVEL 2..0 (brownout trigger level -> 2.7V)
-#        | | | |   +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
-#        | | | +-------------- WDTON (watchdog timer always on -> disable)
-#        | | +---------------- SPIEN (enable serial programming -> enabled)
-#        | +------------------ DWEN (debug wire enable)
-#        +-------------------- RSTDISBL (disable external reset -> disabled!)
-#
-# Fuse low byte:
-# 0xe2 = 1 1 1 0   0 0 1 0
-#        ^ ^ \+/   \--+--/
-#        | |  |       +------- CKSEL 3..0 (clock selection -> RC Oscillator)
-#        | |  +--------------- SUT 1..0 (BOD enabled, fast rising power)
-#        | +------------------ CKOUT (clock output on CKOUT pin -> disabled)
-#        +-------------------- CKDIV8 (divide clock by 8 -> don't divide)
-
-
+FUSEOPT = -U lfuse:w:0xe2:m -U hfuse:w:0xdd:m -U efuse:w:0xf4:m
+FUSEOPT_DISABLERESET =  # Not supported
diff --git a/firmware/configuration/t841_default/Makefile.inc b/firmware/configuration/t841_default/Makefile.inc
index e147248..47fd747 100644
--- a/firmware/configuration/t841_default/Makefile.inc
+++ b/firmware/configuration/t841_default/Makefile.inc
@@ -4,7 +4,7 @@
 #
 # Controller type: ATtiny 841 
 # Configuration:   Default configuration - 12 Mhz RC oscillator
-# Last Change:     Mar 16,2014
+# Last Change:     April 27,2016
  
 
 F_CPU = 12000000
@@ -17,44 +17,8 @@ DEVICE = attiny841
 # - round that down to 94 - our new bootloader address is 94 * 64 = 6016, in hex = 1780
 BOOTLOADER_ADDRESS = 1980
 
-FUSEOPT = -U lfuse:w:0xe2:m -U hfuse:w:0xdd:m -U efuse:w:0xfe:m
-FUSEOPT_DISABLERESET =  # TODO
+FUSEOPT = -U lfuse:w:0xe2:m -U hfuse:w:0xdd:m -U efuse:w:0xf4:m
+FUSEOPT_DISABLERESET =  # Not implemented
 
-#---------------------------------------------------------------------
-# ATtiny841
-#---------------------------------------------------------------------
-# Fuse extended byte:
-# 0xFE = 1 1 1 1   1 1 1 0
-#                        ^
-#                        |
-#                        +---- SELFPRGEN (enable self programming flash)
-#
-# Fuse high byte:
-# 0xdd = 1 1 0 1   1 1 0 1
-#        ^ ^ ^ ^   ^ \-+-/ 
-#        | | | |   |   +------ BODLEVEL 2..0 (brownout trigger level -> 2.7V)
-#        | | | |   +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
-#        | | | +-------------- WDTON (watchdog timer always on -> disable)
-#        | | +---------------- SPIEN (enable serial programming -> enabled)
-#        | +------------------ DWEN (debug wire enable)
-#        +-------------------- RSTDISBL (disable external reset -> enabled)
-#
-# Fuse high byte ("no reset": external reset disabled, can't program through SPI anymore)
-# 0x5d = 0 1 0 1   1 1 0 1
-#        ^ ^ ^ ^   ^ \-+-/ 
-#        | | | |   |   +------ BODLEVEL 2..0 (brownout trigger level -> 2.7V)
-#        | | | |   +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
-#        | | | +-------------- WDTON (watchdog timer always on -> disable)
-#        | | +---------------- SPIEN (enable serial programming -> enabled)
-#        | +------------------ DWEN (debug wire enable)
-#        +-------------------- RSTDISBL (disable external reset -> disabled!)
-#
-# Fuse low byte:
-# 0xe2 = 1 1 1 0   0 0 1 0
-#        ^ ^ \+/   \--+--/
-#        | |  |       +------- CKSEL 3..0 (clock selection -> RC Oscillator)
-#        | |  +--------------- SUT 1..0 (BOD enabled, fast rising power)
-#        | +------------------ CKOUT (clock output on CKOUT pin -> disabled)
-#        +-------------------- CKDIV8 (divide clock by 8 -> don't divide)