STM32 + AT45DB161 接USB当U盘，AT45DB161 已经调试通过，可是AT45DB161 换成AT45DB081

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STM32 + AT45DB161 接USB当U盘，AT45DB161 已经调试通过，可是AT45DB161 换成AT45DB081 调试不通过，请问还有还有什么地方需要修改！！！

static rt_err_t rt_spi_flash_control(rt_device_t dev, rt_uint8_t cmd, void *args)
{
RT_ASSERT(dev != RT_NULL);

if (cmd == RT_DEVICE_CTRL_BLK_GETGEOME)
{
struct rt_device_blk_geometry *geometry;

geometry = (struct rt_device_blk_geometry *)args;
if (geometry == RT_NULL) return -RT_ERROR;

geometry->bytes_per_sector = 512;//512
geometry->sector_count = 4096;
geometry->block_size = 4096; /* block erase: 4k */
}

    return RT_EOK;
}
、、+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#define SPI_FLASH_USE_DMA 0
#define SECTOR_SIZE 512//512
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


SPI_HostWriteByte(AT45DB_MM_PAGE_READ);
SPI_HostWriteByte((uint8_t)(page >> 6));
SPI_HostWriteByte((uint8_t)(page << 2));
// SPI_HostWriteByte((uint8_t)(page >> 7));
// SPI_HostWriteByte((uint8_t)(page << 1));
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

    /* SPI_FLASH */
    dev_spi_flash = rt_device_find("spi0");
    Mass_Block_Size[0]  = 512;//512
    Mass_Block_Count[0] = 4096;
    Mass_Memory_Size[0] = 4096*512;//512
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
以上是我已经修改的地方，请问高手，还有什么需要修改的地方！！！