M9S12Fpwm问题.doc

我最近在用M9S12XF512的1C做PWM 輸出波形可是不知道為何出來訊號 只有直流電和5V的信號我不知道 我設定問題出錯在哪我適用軟體產 生波行的方式去做可是波行無法出 來有各位高手知道我問題出在哪 嘛？ （這禮拜要把束西做岀來不知道我 問題出在哪請各位幫幫忙拜託） （所有DATASI1EEET我己經寫好了暫 存器可以存入可是就是無法出現波 型） 請各位高手拜託幫忙 ^include M9S12XF512. h〃 /* derivative information */ ^include〈hidef.h〉 /* common defines and macros 氺/ /氺氺 Variable types and common definitions 氺/ ^include ’’typedefs. h” /** CPU definitions */ ^include z，Cpu. h，z /氺氺 Macro definitions for general purpose I/O handling 氺/ ^include ’’GPIO macros, h UINT16 AD_wDatal; UINT16 AD_wData2; UINT16 AD_wData3; UINT8 AD wDataH; void main (void) { int i; /* put your own code here */ Enablelnterrupts; /氺 please make sure that you never leave this function 氺/ vfnClock Settings(); vfnPeripheral_Settings(); f 1^ f %Xr %Xr %Xr %Xr kI# xf^ ?丄，%T %T kL* ?丄，?丄，? 1，k!^ |W |W |W |W |W */ A AD控制暫存器1: AD解析度8位 元*/ ATDCTL1 = 0x00; /* AD控制暫存器2:啟動AD快速轉 換|AD等待模式下轉換*/ ATDCTL2 = (ATDCTL2 AFFC MASK|ATDCTL2 ICLK STP MASK); A AD控制暫存器3:右對齊|轉換序 列長度為3 */ ATDCTL3 = (ATDCTL3 DJM|ATDCTL3 S2C. MASK|A TDCTL3_S1C_MASK); A AD控制暫存器4: AD時脈週期為 4個系統時脈I分頻係數為19 V ATDCTL4 = (ATDCTL4 PRS4 MASK|ATDCTL4 PRS1 _MASK|ATDCTL4_PRS0_MASK): /* AD控制暫存器5:連續採集||通 道AD5開始*/ ATDCTL5 = (ATDCTL5 SCAN MASK|ATDCTL5 CC M ASK|ATDCTL5_CB_MASK); A AD中斷致能暫存器：禁止所有通 道數字輸入緩衝V ATDDIEN = 0x00; PMFCFG0 = 0x01; PMFCFG1 = 0x81; PMFCFG2 = 0x01; PMECEG3 = 0x00; PME0UTC = 0x01; //PWM0 bit can be controled by software PMFOUTB = 0x01; //PWMO active PMFCCTL = 0x00; PMEVALOH = 0x10; //PWM period clock PMFVALOL = 0x10; //PWM period clock PMEVAL1H = 0x10; //PWM period clock PMFVAL1L = 0x10; //PWM period clock PMFENCA = 0x02; //Load new prescaler A PMFFQCA = 0x07; //PWM Frequency mode Ebus/8 PMFMODAH = 0x01; //PWM period clock PMFMODAL = 0xF6; //PWM period clock //LED TOGGLE (D29) ;/* 用于指示 AD中？函？是否?行*/ LED_TOGGLE(D23); //LED TOGGLE(D24); //LED_TOGGLE(D25); //AD wDatal = ATDDRO;/* 采集 */ //AD_wData2 = ATDDR1;/* 采集 */ //AD_wData3 = ATDDR2;/* 采集 */ AD wDataH = ATDDROH; PTT = AD_wDataH ;/* ?端口 B?出采 集的值的高8位用于查看*/ //PT1AD_PT1ADO =