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| author | Selene ToyKeeper | 2018-11-03 16:17:50 -0600 |
|---|---|---|
| committer | Selene ToyKeeper | 2018-11-03 16:17:50 -0600 |
| commit | 4df62bd9d7c3b7bbb9a62ab13b78d7f42da99958 (patch) | |
| tree | bfbf997267b276e4a1f7a4580ccd63ae7a5d2772 /bin/flash-tiny25-fuses.sh | |
| parent | Renamed flash/build scripts to better indicate MCU type. (diff) | |
| download | anduril-4df62bd9d7c3b7bbb9a62ab13b78d7f42da99958.tar.gz anduril-4df62bd9d7c3b7bbb9a62ab13b78d7f42da99958.tar.bz2 anduril-4df62bd9d7c3b7bbb9a62ab13b78d7f42da99958.zip | |
Split flashing scripts into firmware vs fuses, to help prevent accidental bricking.
(some people had errors happen during the fuse parts, and ended up with bricks)
Diffstat (limited to 'bin/flash-tiny25-fuses.sh')
| -rwxr-xr-x | bin/flash-tiny25-fuses.sh | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/bin/flash-tiny25-fuses.sh b/bin/flash-tiny25-fuses.sh new file mode 100755 index 0000000..65d5b1d --- /dev/null +++ b/bin/flash-tiny25-fuses.sh @@ -0,0 +1,8 @@ +#/bin/sh +# 8 MHz, 4ms boot delay, enable flashing +# (everything else disabled) +# Use low fuse 0xD2 for 4ms startup delay, +# or 0xE2 for 64ms (useful on a twisty light) +avrdude -c usbasp -p t25 -u -U lfuse:w:0xd2:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m + +# http://www.engbedded.com/cgi-bin/fcx.cgi?P_PREV=ATtiny25&P=ATtiny25&M_LOW_0x3F=0x22&M_HIGH_0x07=0x07&M_HIGH_0x20=0x00&B_SPIEN=P&B_SUT0=P&B_CKSEL3=P&B_CKSEL2=P&B_CKSEL0=P&V_LOW=E2&V_HIGH=DF&V_EXTENDED=FF&O_HEX=Apply+values |