Hi, I am trying to read the LIS2DH12 using the I2C and DMA.
I got everything configured via STM32CubeMx.
When I want to read the LIS2DH12 (WHO_AM_I @0x0F) I call:
HAL_I2C_Master_Receive_DMA(&hi2c1, (uint16_t)SLAVE_ADDRESS, (uint8_t *)I2CRxBuf, 1);
I have defined the below:
SLAVE_ADDRESS 0x330F // (slave address 0x33 and read adress 0x0F
I wait for it to complete the receive first:
while (HAL_I2C_GetState(&hi2c1) != HAL_I2C_STATE_READY);
Then print the value on the screen. It always stay zero.
What am I doing wrong?