About BNara.1

BNara.1 · 2020-01-13

I use the HAL library function to transmit the wake up command to its I2C address.#define I2C_ADDRESS 0xC0HAL_I2C_Master_Transmit(&hi2c1, I2C_ADDRESS, 0x00, 4, 1000)but my code always return HAL_ERROR and the chip never acknowledges. I'm fairly new t...

BNara.1 · 2020-01-13

Hi did you find a way to way to send a wake command ? I tried using the HAL_I2C_Master_Transmit function for sending 0x00 to the I2C address, but no luck :( Kindly share if you have found a way. Thanks! @workingStudent

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Hi I'm using STM32F030R8 and trying to communicate with atecc508a using I2C. The datasheet of atecc508a says that it needs a wake up command by transmitting 0x00 at its I2C address 0xC0.

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