51單片機(jī)和dac0832輸出方波、矩形波和正弦波由液晶1602顯示的c語(yǔ)言程序-wenkub
2022-11-14 05:34:12 本頁(yè)面
【正文】 ,0x80, 0x78,0x70,0x68,0x60,0x58,0x50,0x48,0x40,0x38,0x30,0x28,0x20,0x18,0x10,0x08,0x00}。 //給每種波定義一個(gè)數(shù)組單元，用于存放單位頻率的個(gè)數(shù) uchar code lcd_hang1[]={Sine Wave Triangle Wave Square Wave Select Wave: press key! }。//傳遞頻率的中間變量 uchar judge=1。 uchar wavecount。顯示頻率，幅度可調(diào)，可產(chǎn)生四種波形，正弦波，方波，鋸齒波，三角波，希望你能喜歡，給你發(fā)了一張效果圖，喜歡的話別忘了采納我的回答啊 include define uchar unsigned char define uint unsigned int define DAdata P0 //DA 數(shù)據(jù)端口 sbit DA_S1= P2^0。 //39。 //在方波輸出函數(shù)中用于簡(jiǎn)單判別作用 uchar waveform。 uchar idata lcd_hang2[16]={f= Hz }。 uchar code sine_tab[256]={ //輸出電壓從 0 到最大值（正弦波 1/4 部分） 0x80,0x83,0x86,0x89,0x8d,0x90,0x93,0x96,0x99,0x9c,0x9f,0xa2,0xa5,0xa8,0xab,0xae,0xb1,0xb4,0xb7,0xba,0xbc, 0xbf,0xc2,0xc5,0xc7,0xca,0xcc,0xcf,0xd1,0xd4,0xd6,0xd8,0xda,0xdd,0xdf,0xe1,0xe3,0xe5,0xe7,0xe9,0xea,0xec, 0xee,0xef,0xf1,0xf2,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff, //輸出電壓從最大值到 0（正弦波 1/4 部分） 0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfd,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8,0xf7,0xf6,0xf5,0xf4,0xf2,0xf1,0xef, 0xee,0xec,0xea,0xe9,0xe7,0xe5,0xe3,0xe1,0xde,0xdd,0xda,0xd8,0xd6,0xd4,0xd1,0xcf,0xcc,0xca,0xc7,0xc5,0xc2, 0xbf,0xbc,0xba,0xb7,0xb4,0xb1,0xae,0xab,0xa8,0xa5,0xa2,0x9f,0x9c,0x99 ,0x96,0x93,0x90,0x8d,0x89,0x86,0x83,0x80, //輸出電壓從 0 到最小值（正弦波 1/4 部分） 0x80,0x7c,
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