stm32 spi dma tft lcd

http://habrahabr.ru/post/139384

http://electronics.stackexchange.com/questions/100685/full-duplex-slave-spi-dma-and-interrupts-on-stm32f103

https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/DispForm.aspx?ID=51426&Source=/public/STe2ecommunities/mcu/Tags.aspx?tags=DMA

http://www.webalice.it/fede.tft/spi_as_lcd_controller/spi_as_lcd_controller.html

http://forums.overclockers.ru/viewtopic.php?f=25&t=323993&start=60

 

__align(32) u8 mem2base[MEM2_MAX_SIZE] __attribute__((at(0X68000000))); //外部SRAM内存池 
用这种方式。