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3 Commits

Author SHA1 Message Date
Damien George c33f538066 esp32/modmachine: Add support for changing the CPU frequency. 2019-02-07 22:51:55 +11:00
Damien George f431795caf esp32/boards: Use auto xtal freq config instead of default 40MHz. 
Auto-detection of the crystal frequency is convenient and allows for a
single binary for many different boards.  But it can be unreliable in
certain situations so in production, for a given board, it's recommended to
configure the correct fixed frequency.
 2019-01-28 20:42:12 +11:00
Damien George 3d49b157b8 esp32: Update to latest ESP IDF using sdkconfig and new ldgen procedure. 
Configuration for the build is now specified using sdkconfig rather than
sdkconfig.h, which allows for much easier configuration with defaults from
the ESP IDF automatically applied.  sdkconfig.h is generated using the new
ESP IDF kconfig_new tool written in Python.  Custom configuration for a
particular ESP32 board can be specified via the make variable SDKCONFIG.

The esp32.common.ld file is also now generated using the standard ESP IDF
ldgen.py tool.
 2019-01-28 12:44:03 +11:00