big gap between CS and SPI transmit
// CS pin go low to select HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6, GPIO_PIN_RESET); HAL_SPI_Transmit(&hspi1, (uint8_t *)spi_buf, 3, 10); // CS pin go high to release HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6, GPIO_PIN_SET);I use the above code t...