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Add submodules for F4/F7 libs

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Luca Marchesano
2018-06-29 09:31:01 +02:00
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parent 047229d6d3
commit 0833dba9bd
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STM32F4XX_Lib/README.txt
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STM32F4XX library for MMDVM project
This is the STM32F4XX_Lib directory structure with just the needed code for MMDVM.
Copy this STM32F4XX_Lib directory inside the MMDVM source code project. You have to
conserve the STM32F4XX_Lib folder name: MMDVM/STM32F4XX_Lib
The source of this package can be found here:
http://www.st.com/en/embedded-software/stsw-stm32065.html
In order to run the MMDVM firmware correctly, there are the following modifications
already done in this package:
1) STM32F4XX_Lib/Device/startup/startup_stm32f4xx.c :
- Added C++ global constructors support
- Changed initial stack pointer
2) STM32F4XX_Lib/Device/system_stm32f4xx.c :
- Changed PLL_M definition (support "integer" only crystal frequencies: 8, 12, 16 MHz, etc)
3) STM32F4XX_Lib/Device/stm32f4xx_conf.h :
- Peripheral header file inclusions