SPI_test例程可以在片上SRAM、片外SDRAM、片外Flash中运行。
注意:在片外Flash中运行时,请先Download到Flash中,启动之前需要将SW801的跳线1-2连接。
打开超级端,运行后会显示如下信息:
AT91F_LowLevelInit() done
======================================
AT91RM9200 SPI DataFlash Test
======================================
Init SPI Interface
Test SPI Device
1:Test Serial DataFlash AT45DB
2:Test DataFlash Card AT45DCB
选择1进行Serial DataFlash AT45DB测试,当SW201跳线连接时,
Serial DataFlash AT45DB连接成功,其测试结果如下(超级终端上显示):
Enter Test Serial DataFlash
Tests Completed: !!!
This sentence is written in your DataFlash... Congratulations
当SW201跳线断开时,Serial DataFlash AT45DB未连接,测试结果如下(超级终端上显示):
Enter Test Serial DataFlash
Tests Completed: !!!
Data flash NOT Ready: !!!
选择2进行DataFlash Card AT45DCB测试,开发板上没连DataFlash Card AT45DCB,其
测试结果如下(超级终端上显示):
Enter Test DataFlash Card in SD/MMC Card Interface Connector
Tests Completed: !!!
Data flash NOT Ready: !!!