'ADC自動觸發源設置
Set Sfior.7 '101 =Timer1 匹配B
Reset Sfior.6
Set Sfior.5
'******************************************************************
On Adcc Adcinterrupt
Dim Wadc As Word
'訪問低字節和高字節:
Dim Wadcl As Byte At Wadc Overlay
Dim Wadch As Byte At Wadc + 1 Overlay
'您可以使用Overlay覆蓋來輕松訪問WORD的低字節和高字節
'(同樣的方法也適用于LONG)
'這就是將其存儲在SRAM中的方式
'+ ----------- + ---------- +
'| 低字節|高字節|
'+ ----------- + ---------- +
Dim Value As Single
Dim Adkorr1 As Single
Dim Adkorr2 As Single
Dim Adc_complete As Bit
Adkorr1 = 2500 / 2501 '沒有補償。應根據實物調試情況修改
Adkorr2 = 0.0065 '這個是不是有點多余?
'......................................................
'Timer1比較->每秒中斷”比較器B被使用,因為它必須用于ADC自動觸發“但是:比較B,比較值必須在Compare1A中!
Dim Seconds As Long
Compare1a = 10'15625
'盡管發生了COMPARE B事件,但仍使用COMPARE1A!
Config Timer1 = Timer , Prescale = 1024 , Clear Timer = 1 , Compare B = Disconnect
On Compare1b Timer1_isr
'Enable Compare1b
TIMSK.OCIE1B=1 '等同Enable Compare1b
'Enable Interrupts
Sreg.7 = 1 '等同Enable Interrupts
'..............................................................................
'ADC準備就緒時,標志Adc_complete為1 ',然后獲取并打印值
Do
If Adc_complete = 1 Then
Adc_complete = 0
Gosub Getvalue
Gosub Printvalues
End If
Loop
'---------------------------------------------------------------
Getvalue: 'Wadc由ADC完整中斷更新,因此我們只需獲取該值
Value = Wadc * 2.56
Value = Value / 1023
Value = Value * Adkorr1 'Adkorr1 2.5v補償系數
Value = Value + Adkorr2 'Adkorr2 0v顯示補償值