yulei a037cedfdc fixed I2C driver support for stm32f4 (#7526) ... * correct i2c driver for stm32f4 * update pin mode definitions * update macro definition		2019-12-12 17:20:04 -08:00
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i2c_master.c
i2c_master.h
ws2812_pwm.c
ws2812_spi.c
ws2812.c
ws2812.h