Resolved! HAL_I2C_Master_Transmit() may overrun 1byte.
Posted on October 19, 2016 at 06:03Hi!Attached stm32f4xx_hal_i2c.c is from stm32cube_fw_f4_v1131.zip. line 657, if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (Size != 0U)) It looks better to be hi2c->XferCount or hi2c->XferSize, than S...