用AVR單片機(jī)設(shè)計(jì)的MP3播放器
功能:
MP3 Player
IDE ATA interface
FAT 32 with long file name support
USB interface
On board power supply (input from 7v to 20v DC)
Bootloader firmware upgradeable via USB port
Infrared bi-directional interface
Remote Control
Back light graphic LCD
worked with only 2x AA batteries
In sleep mode sink less than 1uA (2.5mA in active mode)
5 buttons for easy navigation
Long range (more than 20 feets)
一個(gè)在MASM環(huán)境下開發(fā)的鍵盤模擬鋼琴按鍵的匯編程序,本程序由三個(gè)模塊組成:八度音程的鋼琴程序即 main 通用發(fā)聲程序soundf,它能利用定時(shí)器發(fā)出指定頻率的聲音;還有就是IBM PC AT BIOS中的WAITF子程序,它是一個(gè)與處理器無關(guān)的時(shí)間延遲。
《An Introduction to Ant Colony Optimization》
作者:Marco Dorigo and Krzysztof Socha
時(shí)間:Technical Report No.TR/IRIDIA/2006-010April 2006
一份介紹蟻群系統(tǒng)的英文原版論文報(bào)告