Synchronous serial 4-line LCD display that can display characters and mixed character, and left-aligned, right-aligned, centered, freedom to display everything. Exceptions also include stm32f103 of i2c, spi, already a queue has been applied. Absolutely reliable

Lcd.c
key.C
i2c.h
i2c.c
flash.h
flash.c
queue.h
queue.c

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