说明：  TESTSHYAN嵌入式 单片机软件开发
(FlexSPI_NorFlash_Erase_Sector(kFLEXSPI_PortB1,(pos + OFFSET + i)*spi_flash_device.geometry.bytes_per_sector); page_write((pos + OFFSET + i)*spi_flash_device.geometry.bytes_per_sector,ptr); //rt_kprintf("pos = %ld\r\n",pos); ptr += PAGE_SIZE;)