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Trivial changes to README.txt

This commit is contained in:
Gregory Nutt 2016-10-14 11:01:28 -06:00
parent c078573677
commit b669d78f8c
1 changed files with 7 additions and 4 deletions
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11
configs/esp32-core/README.txt
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@ -1,5 +1,5 @@
README for the Expressif ESP32 Core board (V2)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
==============================================
The ESP32 is a dual-core system from Expressif with two Harvard
architecture Xtensa LX6 CPUs. All embedded memory, external memory and
@ -13,7 +13,8 @@ README for the Expressif ESP32 Core board (V2)
"application"), however for most purposes the two CPUs are
interchangeable.
Features:
ESP32 Features
==============
* Address Space
- Symmetric address mapping
@ -43,7 +44,9 @@ README for the Expressif ESP32 Core board (V2)
ESP32 Toolchain
===============
The steps to build toolchain with crosstool-NG on Linux are as follows:
You must use the custom Xtensa toolchain in order to build the ESP32 Core
BSP. The steps to build toolchain with crosstool-NG on Linux are as
follows:
git clone -b xtensa-1.22.x https://github.com/espressif/crosstool-NG.git
cd crosstool-NG
@ -55,5 +58,5 @@ ESP32 Toolchain
These steps are given in setup guide in ESP-IDF repository:
https://github.com/espressif/esp-idf/blob/master/docs/linux-setup.rst#alternative-step-1-compile-the-toolchain-from-source-using-crosstool-ng
NOTE: the xtensa-esp32-elf configuration is only available in the
NOTE: The xtensa-esp32-elf configuration is only available in the
xtensa-1.22.x branch.