alex/esp-idf
alex/esp-idf
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8 Commits

Author SHA1 Message Date
wanlei
6099844644 examples: support spi master examples on esp32cxx 2022-10-25 12:04:22 +08:00
Roland Dobai
766aa57084 Build & config: Remove leftover files from the unsupported "make" build system 2021-11-11 15:32:36 +01:00
Armando
6aef940cde spi: support spi example on s3 2021-07-30 10:14:16 +08:00
Marius Vikhammer
4de9cbcf0f spi: update examples to use the new GDMA driver 2021-05-13 14:01:05 +08:00
Marius Vikhammer
04df1f3a42 CI: enable example builds for C3 
Enables building C3 examples in CI.

Fixes related warnings/errors and disables examples that cannot run.
 2021-02-09 12:04:02 +08:00
Angus Gratton
66fb5a29bb Whitespace: Automated whitespace fixes (large commit) 
Apply the pre-commit hook whitespace fixes to all files in the repo.

(Line endings, blank lines at end of file, trailing whitespace)
 2020-11-11 07:36:35 +00:00
michael
fdf983e0c4 spi: fix config break and reduce overhead of the bus lock on SPI1 
The SPI bus lock on SPI1 introduces two side effects:

1. The device lock for the main flash requires the
`CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION` to be selected, however this
option is disabled by default in earlier IDF versions. Some developers
may find their project cannot be built by their old sdkconfig files.

2. Usually we don't need the lock on the SPI1 bus, due to it's
restrictions. However the overhead still exists in this case, the IRAM
cost for static version of semaphore functions, and the time cost when
getting and releasing the lock.

This commit:

1. Add a CONFIG_SPI_FLASH_BYPASS_MAIN_LOCK option, which will forbid the
space cost, as well as the initialization of the main bus lock.

2. When the option is not selected, the bus lock is used, the
`CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION` will be selected explicitly.

3. Revert default value of `CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION`
to `n`.

introduced in 49a48644e4.

Closes https://github.com/espressif/esp-idf/issues/5046
 2020-04-22 16:06:13 +08:00
Michael (XIAO Xufeng)
f53812d27a spi: add eeprom example 2020-03-29 12:52:29 +08:00