Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-06-05 07:12:54 +08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

AVR: Back out experimental MEMX build changes. Although they do work, the cause other compilictions.

Browse Source
This commit is contained in:
Gregory Nutt
2016-01-10 08:24:45 -06:00
parent 9e548d34c3
commit 62274e771c
11 changed files with 7 additions and 528 deletions
Download Patch File Download Diff File Expand all files Collapse all files
configs/arduino-mega2560/README.txt
-16
View File
@@ -20,19 +20,3 @@ Toolchain
tool-chain but specify path to the Atmel AVR8 in path. See
arduino-mega2560/hello for example.
MEMX
^^^^
If you use the GCC AVR toolchain from the Atmel Studio, then you can
enable suppport for the MEMX storage:
CONFIG_AVR_HAS_MEMX_PTR=y
If this support is enabled, then all strings will be saved in FLASH and
standard string-oriented interfaces such printf() will change so that
they accept memx pointers.
This means that (1) ALL strings must lie in FLASH, and (2) since the
strings are moved from SRAM to FLASH, you will save a LOT of SRAM usage
in some configurations that use a lot of string memory (such as the
ostest and nsh configurations).