electro/bluepill-i2c-gw
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add readme & switch to production build

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MightyPork
2022-04-02 04:03:55 +02:00
parent 01a18ef9cb
commit 08dc4e3c9e
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Makefile
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@@ -24,7 +24,7 @@ TARGET = bluepill-i2c-gw
# debug build? # debug build?
DEBUG = 1 DEBUG = 1
# optimization # optimization
OPT = -Og OPT = -Os
####################################### #######################################
README.md
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# Bluepill USB-I2C gateway
## Hardware
This is a firmware for STM32F103R8T6 Bluepill.
## Customization
The project can be customized using STM32CubeMX.
there's some changes in the i2c HAL driver, careful!
line 6364
```
// HACK - ignore HAL_I2C_ERROR_AF
if (hi2c->ErrorCode != HAL_I2C_ERROR_NONE && hi2c->ErrorCode != HAL_I2C_ERROR_AF)
```
this allows receiving frames of unknown length
## Building & programming
use the makefile and flash using a st-link dongle.
Requires: Make, arm-none-eabi-gcc, st-flash
```
make -j
make flash
```