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I talked about Micro-controller in KosenConf. in Sendai2. This is about that.
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Kosen_conf_in_Sendai2_20130806
1.
How do you
like Wednesday? â âãŸããã ? ä»å°é«çå°éåŠæ ¡ æ å ±ãããã¯ãŒã¯å·¥åŠç§ 3幎 æ©æ¬é倧 ãŸãããã©ãã§ããã
2.
About me... â ããã±ã¿ã (@GuRaMbo_SA) SNCT-h æ å ±ãããã¯ãŒã¯å·¥åŠç§ çãŸãã¯åæµ·é å®®åçä»å°åžåšäœ â ä»ïŒäœããŠãïŒ â ã¢ããã¥ã¢ç¡ç·(JP7FKF)ïŒ â é»åå·¥äœ â etc... ãšã«ãããã®ã¥ããã奜ãã§ã
3.
Have you ever
heard ãã of â âãŸããã ? ïŒ1 âŠåãããã¯èããããšãããã㺠ïŒïŒ
4.
ä»ãšãªã£ãŠã¯æ¥åžžç掻ã«æ¬ ãããªããã®! ãŸãããã£ãŠïŒ ãïŒãã€ã»ã³ã³ãã¥ãŒã¿ïŒ ãŸãããâãMicro-controller ãªã¢ã³ã³ãšãããžã¿ã«æèšïŒæºåž¯é»è©±ãšãïŒ ãããããã ã¿ããªå€§å¥œãé¢æ°é»åã«ãå ¥ã£ãŠãïŒ What can
do with itïŒ âçµã¿èŸŒã¿ã·ã¹ãã (Embedded System)ãäœããïŒ Microcomputer??
5.
What is Embedded
System? âå®çŸ©ã¯ããã€ããããããããããç¹å®ã®æ©èœãå®çŸããããã«å®¶é»è£œå ãæ©æ¢°ãè£ çœ®ã«çµã¿èŸŒãŸããã³ã³ãã¥ãŒã¿ã·ã¹ãã ã®ããšãæããPCçã® æ±çšçãªã·ã¹ãã ãšå¯Ÿæ¯ãããããšãå€ãïŒWikipediaããïŒ To sum up... ããŒããŠã§ã¢ïŒã¢ãŒã¿ãŒãšãã»ã³ãµãšãïŒ ããããããããããã䜿ã£ããããŠïŒ ããããããšã ãã ãããããããããããšãã§ããã·ã¹ãã
6.
ã©ããªãŸããããããã®ïŒ â ARM â æºåž¯é»è©±ãšãã«ã䜿ãããŠãã ããé«éãªãã€ã³ã³ïŒã¡ãã£ãšé«ãïŒ â AVR â Arduinoãšãã«äœ¿ãããŠãããã€ã³ã³ éçºç°å¢ã®æ§ç¯ã容æ â PIC â ããã»ã©é«éã§ããªãã ããéçºç°å¢ã®æ§ç¯ãç¹å¥ç°¡åã§ã¯ãªãïŒ âŠãããããããããããããã ïŒ ä»ã«ãH8,LPCãšããããããããŸãïŒ
7.
å®ãïŒïŒ Strong point of
PIC ãã£ã¹ã³ã³(discontinued) ã«ãªãã«ããïŒ 1ååäœã§è²·ããïŒ éçºããããïŒ 1å80åïœ ä»ãŸã§éçºããŠãã人ã倧å¢ããïŒ CèšèªïŒã¢ã»ã³ããªãšãã§éçºã§ããïŒ ç§èåã§åºé ã§ãã©å£²ãã㊠ãïŒ Microchip瀟ãããããŠãããŠãïŒ
8.
What functions included
in it ? â Digital I/O â ON-OFFã®å ¥åºåãã§ãã â Analog Input (A/D Converter) â PWM(Pulse Width Modulation) â Comparator â å ¥åé»å§ãæ¯èŒã§ããæ©èœ â Timer â å²ã蟌ã¿åŠçãšãã«äœ¿ã â Communication Unit â (USART(serial),I2C,etc...)
9.
What is A/D
Converter? â å ¥åé»å§ãããžã¿ã«å€æã§ããæ©èœ åºæºãšãªãé»å§ã 2ã€æå®ããŠïŒ ãã®éãåå²ãïŒ æ°å€åããããšã§ïŒ ã¢ããã°ä¿¡å·ãã©ã®ãã ãã®é»å§ãªã®ãã ããžã¿ã«ã®æ°å€ãšããŠæ± ãããšãã§ãã PICã§ã¯ïŒ8bit(256)ã 10bit(1024)ããããŸã§å å²ã§ãã
10.
What is PWM? â ãã«ã¹ã®å¹ ãå€ããŠåºåã調æŽã§ããæ©èœ ïŒãã«ã¹ïŒ Pulse
Width Modulation?? 100% 50% ãã®æ©èœãå©çšããããš ã§ïŒ LEDã®æããã調ç¯ãã ãïŒ ã¢ãŒã¿ãŒã®å転æ°ã®èª¿ç¯ãª ã©ãã§ããïŒ ON-OFFã®æ¯ãå€ããã ã ã®ç°¡åãªãä»äº æ¯çã¯256段éãªã©ïŒçŽ°ã ãåããããšãå¯èœïŒ
11.
What is âå²ã蟌ã¿(interrupt)â? â
ããæ¡ä»¶ãæã£ããšãã«ïŒå®è¡äžã®åŠçã äžæŠæ¢ããŠç¹å®ã®åŠçãå®è¡ããïŒ â å€éšå²èŸŒã¿(external interrupt) â I/OããŒãããã®å ¥åã«ãã£ãŠ ããããããããããå²ã蟌ã¿ãããã â å éšå²èŸŒã¿(internal interrupt) â ã¿ã€ãã§ã®äžå®æéçµéãïŒ å éšã§ã®æŒç®çµæã«ãã£ãŠå²ã蟌ã¿ãããã
12.
âŠããã ãã§ã ? ex)äžå®æéçµéããšã«(å²ã蟌ã¿) ãããã£ãããšè²ãå€ãã(PWM) ããããLEDã䜿ã£ãã€ã«ãããŒã·ã§ã³ ex2)æµæå€ïŒé»å§ïŒã®å€åïŒA/D converter)㧠ã¢ãŒã¿ãŒã®å転æ°ãå€ãã(PWM) ãã¡ã³ã³ã³ãããŒã© (ãã¹ã¯ãããPCãšãã«ãããšããŠã)
13.
Let's develop! ãã€ã³ã³ïŒé¢çœãã§ããïŒ ã ããïŒãã£ãŠã¿ãŸãããïŒ åãæãã®ã¯ïœ¥ïœ¥ïœ¥ ãããããããã ïŒ
14.
åŸ¡æž èŽããããšãããããŸããïŒ
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