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void spi_task() {
    uint8_t send_byte = 0x00;
    uint8_t recv_byte = 0x00;

    spi_slave_transaction_t t;
    memset(&t, 0, sizeof(t));
    
    t.length=8; // 8 Bits of Data
    t.tx_buffer=&send_byte;
    t.rx_buffer=&recv_byte;

    while(1) {
        recv_byte = 0x00;

        spi_slave_transmit(SPI2_HOST, &t, portMAX_DELAY);

		// Code here that picks new send_byte based on recv_byte
		// Removed due to hard coding send_byte for testing
		
        send_byte = 0b01010101;
    }
}

//Main application
void app_main(void)
{
    //Configuration for the SPI bus
    spi_bus_config_t buscfg={
        .mosi_io_num=GPIO_MOSI,
        .miso_io_num=GPIO_MISO,
        .sclk_io_num=GPIO_SCLK,
    };

    //Configuration for the SPI slave interface
    spi_slave_interface_config_t slvcfg={
        .mode=0,
        .spics_io_num=GPIO_CS,
        .queue_size=1,
        .flags=0,
        .post_setup_cb=my_post_setup_cb,
        .post_trans_cb=my_post_trans_cb
    };

    // Set Up GPIO
    gpio_setup(); // (Custom Function Removed for Brevity)

    //Initialize SPI slave interface
    spi_slave_initialize(SPI2_HOST, &buscfg, &slvcfg, SPI_DMA_DISABLED);

    // Initialize the SPI Task
    xTaskCreate(&spi_task, "SPI_TASK", 4096, NULL, 1, NULL);
}