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[ARM] [help] i2c ds1307 stm32f4 hal driver

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Ahmad Edi Saputra

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hi, i have no idea about I2C HAL Driver STM32F4, is there any example i can find?
for DS1307 i use HAL_I2C_Mem_Read(), i always got an error. in debuging mode, i know that it return after sending I2C device address(DS1307 address = 0xD0), so i tried to modify in 7bit mode (0x68) still got error
 

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