:::
Browsing this Thread:
1 Anonymous Users
|
Re: ADC
|
||||
|---|---|---|---|---|
|
資深會員
 
|
國偉兄:
你提出來的問題真是令人Orz... ~新年快樂~星期六記得去投票. 你同學的前男友留.
發表於: 2008/1/11 17:27
|
|||
|
||||
|
Re: ADC
|
||||
|---|---|---|---|---|
|
版主
 
|
bcf STATUS,C ; 因為要將轉換到的AD (8-bit) 值除 2 ，所以要要向右旋轉的指令，因為 rrf 旋轉時會讓 C 旗號轉到 b7 所以就先將 C 清零，以確保值的正確。
rrf ADRESH,W ; AD 8-bit 結果除 2 後放在 W Reg. movwf CCPR1L : 送出50%duty cycle ; 因為 PR2= ADRESH，CCPR1L = 1/2 ADRESH。 movf ADRESH,W banksel PR2 movwf PR2 ; 更改 PWM 的 Period banksel 0
發表於: 2008/1/11 10:59
|
|||
|
||||
|
ADC
|
||||
|---|---|---|---|---|
|
初級會員
 
|
Loop bsf ADCON0,GO btfsc ADCON0,NOT_DONE goto $-1 movf ADRESH,W ; move ADC result into W movwf PORTD ;ADC result output to LEDs =========================== 你好： 這是201 ASP ADC 範例 想請問一下轉換後為例要清除進位狀態．謝謝 bcf STATUS,C rrf ADRESH,W movwf CCPR1L movf ADRESH,W banksel PR2 movwf PR2 banksel 0 goto Loop 
發表於: 2008/1/10 22:04
|
|||
|
||||
You can view topic.
你 不可以 發起新主題
You cannot reply to posts.
You cannot edit your posts.
You cannot delete your posts.
You cannot add new polls.
You cannot vote in polls.
You cannot attach files to posts.
You cannot post without approval.
You cannot use topic type.
You cannot use HTML syntax.
You cannot use signature.
You cannot create PDF files.
You cannot get print page.
