ARM, RISC-V контроллеры

void AT24C_ReadBytes (uint16_t addr, uint8_t *buf, uint16_t bytes_count)
{
  uint16_t i;
  //Disable Pos
  LL_I2C_DisableBitPOS(I2C1);
  LL_I2C_AcknowledgeNextData(I2C1, LL_I2C_ACK);
  LL_I2C_GenerateStartCondition(I2C1);
  while(!LL_I2C_IsActiveFlag_SB(I2C1)){};
  //read state
  (void) I2C1->SR1;
  LL_I2C_TransmitData8(I2C1, SLAVE_OWN_ADDRESS | I2C_REQUEST_WRITE);
  while(!LL_I2C_IsActiveFlag_ADDR(I2C1)){};
  LL_I2C_ClearFlag_ADDR(I2C1);
  LL_I2C_TransmitData8(I2C1, (uint8_t) (addr>>8));
  while(!LL_I2C_IsActiveFlag_TXE(I2C1)){};
  LL_I2C_TransmitData8(I2C1, (uint8_t) addr);
  while(!LL_I2C_IsActiveFlag_TXE(I2C1)){};
  LL_I2C_GenerateStartCondition(I2C1);
  while(!LL_I2C_IsActiveFlag_SB(I2C1)){};
  (void) I2C1->SR1;
  LL_I2C_TransmitData8(I2C1, SLAVE_OWN_ADDRESS | I2C_REQUEST_READ);
  while (!LL_I2C_IsActiveFlag_ADDR(I2C1)){};
  LL_I2C_ClearFlag_ADDR(I2C1);
  for(i=0;i<bytes_count;i++)
  {
    if(i<(bytes_count-1))
    {
      while(!LL_I2C_IsActiveFlag_RXNE(I2C1)){};
      buf[i] = LL_I2C_ReceiveData8(I2C1);
    }
    else
    {
      LL_I2C_AcknowledgeNextData(I2C1, LL_I2C_NACK);
      LL_I2C_GenerateStopCondition(I2C1);
      while(!LL_I2C_IsActiveFlag_RXNE(I2C1)){};
      buf[i] = LL_I2C_ReceiveData8(I2C1);
    }
  }
 
}