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authorSelene ToyKeeper2021-04-01 17:12:06 -0600
committerSelene ToyKeeper2021-04-01 17:12:06 -0600
commit757eb4836b733821d84b3941f9ee56c42810296e (patch)
treef41966eab7c0832298092ddcbf8e07b3125a1166 /README
parentmerged gchart's Tiny1 series branch for tiny1616 support (diff)
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Added attiny1616 info to the README, and made bin/build.sh support more flexible.
Set ATTINY_DFP environment variable in your shell to the location of the unzipped DFP files.
Diffstat (limited to 'README')
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diff --git a/README b/README
index 59e1c8e..324e489 100644
--- a/README
+++ b/README
@@ -115,3 +115,26 @@ build Crescendo for an attiny25-based driver and then flash it:
../../bin/flash-tiny25.sh crescendo.hex
Other useful tools are in bin/ too, so they might be worth a look.
+
+
+ATtiny Series 1 (tiny1616) Support
+==================================
+
+As of early 2021, the Debian packages for gcc-avr and avrdude do not include
+support for the Tiny1 series chips. Extra steps are required to get these
+working.
+
+ - Download the Atmel ATtiny Series Device Support pack:
+ http://packs.download.atmel.com/
+
+ - Unzip the pack somewhere on your build computer
+
+ - Set ATTINY_DFP=/path/to/where/you/unzipped/the/pack
+ (either in your shell, or in this repo's bin/build.sh script)
+
+ - Make sure you're using gcc-avr 1:5.4.0+Atmel3.6.2 or newer.
+ 3.6.1 will not work. It gives errors like:
+ /usr/lib/gcc/avr/5.4.0/../../../avr/bin/ld: address 0x80381e of anduril.elf section `.data' is not within region `data'
+ This requires debian/bullseye or newer; buster has 3.6.1.
+
+This should at least allow the code to compile.