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esp32: mention ./integrate_btstack and old make version

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Matthias Ringwald 2017-09-28 15:11:18 +02:00
parent 405ac779d6
commit 4e60647a0a
1 changed files with 10 additions and 5 deletions
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port/esp32/README.md
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@ -12,11 +12,11 @@ Status: Basic port incl. all examples. BTstack runs on dedicated FreeRTOS thread
In port/esp32, run
./create_examples.py
./integrate_btstack.sh
The script will create project folders for all examples. Each example project folder, e.g. port/esp32/spp_and_le_counter, contains a Makefile.
The script will copy parts of the BTstack tree into the ESP-IDF as $IDF_PATH/components/btstack and then create project folders for all examples. Each example project folder, e.g. port/esp32/examples/spp_and_le_counter, contains a Makefile. Please run the command again after updating the BTstack tree to also update the copy in the ESP-IDF.
To compile the example, run:
To compile an example, run:
make
@ -32,6 +32,11 @@ To get the debug output, run:
You can quit the monitor with CTRL-].
## Old Make Versions
Compilation fails with older versions of the make tool, e.g. make 3.8.1 (from 2006) providedby the current Xcode 9 on macOS.
Interestingly, if you run make a second time, it completes the compilation.
## Configuration
The sdkconfig of the example template disables the original Bluedroid stack by disabling the CONFIG_BLUEDROID_ENABLED kconfig option.
@ -39,9 +44,9 @@ The sdkconfig of the example template disables the original Bluedroid stack by d
## Limitations
### Bug in Host Controller to Host Flow Control implementation
The Link Layer in the ESP32 does not reset the supervision timeout while the Host does not accept new packets (due to slow processing etc..), which will triggger a disconnect based on Connection Timeout (reason 8). See https://github.com/espressif/esp-idf/issues/644#issuecomment-325251315
The Link Layer in the ESP32 does not reset the supervision timeout while the Host does not accept new packets (due to slow processing etc..), which will eventually triggger a disconnect based on Connection Timeout (reason 8). See https://github.com/espressif/esp-idf/issues/644#issuecomment-325251315
For most applications, this won't be an issue, but please keep it in mind.
For most applications, this won't be an issue, but please keep it in mind if you're LE data processing is very slow.
### Multi-Threading