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32 lines
551 B
32 lines
551 B
# Bluepill USB-I2C gateway
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## Hardware
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This is a firmware for STM32F103R8T6 Bluepill.
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## Customization
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The project can be customized using STM32CubeMX.
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there's some changes in the i2c HAL driver, careful!
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line 6364
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```
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// HACK - ignore HAL_I2C_ERROR_AF
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if (hi2c->ErrorCode != HAL_I2C_ERROR_NONE && hi2c->ErrorCode != HAL_I2C_ERROR_AF)
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```
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this allows receiving frames of unknown length
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## Building & programming
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use the makefile and flash using a st-link dongle.
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Requires: Make, arm-none-eabi-gcc, st-flash
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```
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make -j
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make flash
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```
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