SPI Driver

Hi,I am newbie in NetOS thread-X. I am developing SPI driver and application between Net9750 and Cypress microcontrollers. I am using naSPI application with few modification and Driver for SPI communication which is given in BSP. my problem is I can not recive the data on Cypress side, 1) My question is "The driver in BSP for SPi is interrupt driven? 2) Is driver is taking care of CS logic in spi coomunication Mode0 thanks & regards Rajeev