Pout3_AP1

Pout3_AP1 - Outcome 3 Primary Assessment Analysis Problem...

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; ; Outcome 3 Primary Assessment - Analysis Problem 1 (AP1) ; ;*********************************************************************** ; ; For this problem you are to: ; ; (a) Calculate the input sampling frequency and the output sampling frequency ; ; (b) Finish the "tim_isr" routine ; ; (c) Answer the MC questions 21-25 on the exam document ; ;*********************************************************************** ; ; Resources used: ; - TIM TC7 - interrupt used to initiate ATD conversion ; - ATD Ch 0 - audio input ; - ATD Ch 1 - potentiometer input for digital volume control ; - PWM Ch 0 - audio output ; ;*********************************************************************** ; ; 9S12C32 REGISTER MAP INITRM EQU $0010 ; INITRM - INTERNAL RAM POSITION REGISTER INITRG EQU $0011 ; INITRG - INTERNAL REGISTER POSITION REGISTER ; ==== CRG - Clock and Reset Generator SYNR EQU $0034 ; CRG synthesizer register REFDV EQU $0035 ; CRG reference divider register CRGFLG EQU $0037 ; CRG flags register CRGINT EQU $0038 CLKSEL EQU $0039 ; CRG clock select register PLLCTL EQU $003A ; CRG PLL control register RTICTL EQU $003B COPCTL EQU $003C ; ==== ATD (analog to Digital) Converter / Pushbutton Digital Inputs ATDCTL2 EQU $0082 ; ATDCTL2 control register ATDCTL3 EQU $0083 ; ATDCTL3 control register ATDCTL4 EQU $0084 ; ATDCTL4 control register ATDCTL5 EQU $0085 ; ATDCTL5 control register ATDSTAT EQU $0086 ; ATDSTAT0 status register ATDDR0 EQU $0090 ; result register array (16-bit values) ATDDR1 EQU $0092 ; ==== TIM - Timer module TIOS EQU $0040 ;TIOS - TIMER INPUT CAPTURE/OUTPUT COMPARE SELECT TCNT EQU $0044 TSCR1 EQU $0046 ; TSCR1 - TIMER SYSTEM CONTROL REGISTER 1 TSCR2 EQU $004D ; TSCR2 - TIMER SYSTEM CONTROL REGISTER 2 TIE EQU $004C ; TIE - TIMER INTERRUPT ENABLE REGISTER TFLG1 EQU $004E ; TFLG1 - TIMER INTERRUPT FLAG 1 TFLG2 EQU $004F ; TFLG2 - TIMER INTERRUPT FLAG 2
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Pout3_AP1 - Outcome 3 Primary Assessment Analysis Problem...

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