SPI flash quad I/O mode快速讀取 (4MB read one time)

Platform: N9H30Platform resource link: https://www.nuvoton.com/hq/products/app ... _locale=en
BSP link: https://github.com/OpenNuvoton/N9H30_emWin_NonOS
Sample code brief: Utilize emWin to display text result of accessing SPI flash in quad mode (4MB read one time)
IDE: Keil professional
http://forum.nuvoton.com/viewtopic.php?f=31&t=3849&sid=6191195c09fbb643810587f52528ee3f
Please note that to run the sample code we need to download the latest version of N9H30 BSP from OpenNuvoton.

1.continuous read
2.SPI I/F clock set to 18.75MHz
3.Enable Quad mode
4.Tx_BIT_LEN=32
5.Tx_NUM=4