課題9波形發(fā)生器設(shè)計報告(編輯修改稿)
2025-04-22 03:56 本頁面
【文章內(nèi)容簡介】 趣，為今后的學(xué)習(xí)提供了一次良好的學(xué)習(xí)環(huán)境。七、參考文獻[1] [M].[2] [M].[3] [M].[4] 張毅剛, 彭喜圓, 譚曉昀, [M].哈爾濱工業(yè)大學(xué)出版社.[5] [M].高等教育出版社.[6] 張洪潤,[M].清華大學(xué)出版社.[7] 劉樂善, 歐陽星明, [M].華中科技大學(xué)出版社.附錄includedefine uchar unsigned chardefine uint unsigned int//define Fosc 24000000/12000000 //12分頻后的頻率define DAdata P0 //DA數(shù)據(jù)端口sbit DA_S1= P2^0。 // 控制DAC0832的8位輸入寄存器，僅當(dāng)都為0時，可以輸出數(shù)據(jù)(處于直通狀態(tài))，否則，輸出將被鎖存sbit DA_S2= P2^1。 // 控制DAC0832的8位DAC寄存器，僅當(dāng)都為0時，可以輸出數(shù)據(jù)(處于直通狀態(tài))，否則，輸出將被鎖存sbit key= P3^2。uchar wavecount。 //39。抽點39。計數(shù)uchar THtemp,TLtemp。//傳遞頻率的中間變量//uint T_temp。uchar judge=1。 //在方波輸出函數(shù)中用于簡單判別作用uchar waveform。 //當(dāng)其為0、2時，分別代表三種波uchar code freq_unit[3]={1,10,100}。 //三種波的頻率單位uchar idata wavefreq[3]={1,1,1}。 //給每種波定義一個數(shù)組單元，用于存放單位頻率的個數(shù)uchar code lcd_hang1[]={Sine Wave Triangle Wave Square Wave Select Wave: press key! }。uchar idata lcd_hang2[16]={f= Hz }。/*uchar code wave_freq_adjust[]={ //頻率調(diào)整中間值 0xff,0xb8,0x76,0x56,0x43,0x37,0x2e,0x26,0x20,0x1c, //正弦波頻率調(diào)整中間值 0xff,0x8e,0x5a,0x41,0x32,0x28,0x20,0x1b,0x17,0x0e, //三角波頻率調(diào)整中間值 0xff,0x8e,0x5a,0x41,0x32,0x28,0x20,0x1b,0x17,0x0e}。 uint code wave_freq_adjust[]={ //頻率調(diào)整中間值 380,184,118,86,67,55,46,28,38,32, 295,142, 90,65,50,40,32,27,23,14, 295,142, 90,65,50,40,32,27,23,14}。 */ /*uchar code waveTH[]={ 0xfc,0xfe,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xfc,0xfe,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}。uchar code waveTL[]={ 0xf2,0x78,0xfb,0x3c,0x63,0x7d,0x8f,0x9d,0xa8,0xb1, 0x17,0x0b,0xb2,0x05,0x37,0x58,0x70,0x82,0x90,0x9b, 0x4d,0xa7,0xc4,0xd3,0xdc,0xe2,0xe6,0xea,0xec,0xee}。*//***********這兩組數(shù)組很重要，需要根據(jù)波形來調(diào)試，選擇合適的值，使輸出波形達到頻率要求************/uchar code waveTH[]={ 0xfd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xfd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xec,0xf6,0xf9,0xfb,0xfc,0xfc,0xfd,0xfd,0xfd,0xfe}。uchar code waveTL[]={ 0x06,0x8a,0x10,0x4e,0x78,0x93,0xa8,0xb3,0xbe,0xc6, //正弦波頻率調(diào)整中間值 0xac,0xde,0x48,0x7a,0x99,0xaf,0xbb,0xc8,0xd0,0xde, //三角波頻率調(diào)整中間值 0x88,0x50,0x90,0x32,0x34,0xbe,0x4a,0xa3,0xe5,0x2c}。 /*************************************************************************************************/uchar code triangle_tab[]={ //每隔數(shù)字8，采取一次 0x00,0x08,0x10,0x18,0x20,0x28,0x30,0x38,0x40,0x48,0x50,0x58,0x60,0x68,0x70,0x78, 0x80,0x88,0x90,0x98,0xa0,0xa8,0xb0,0xb8,0xc0,0xc8,0xd0,0xd8,0xe0,0xe8,0xf0,0xf8,0xff, 0xf8,0xf0,0xe8,0xe0,0xd8,0xd0,0xc8,0xc0,0xb8,0xb0,0xa8,0xa0,0x98,0x90,0x88,0x80, 0x78,0x70,
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