基于at89c52單片機(jī)的函數(shù)信號(hào)發(fā)生器的測(cè)量(編輯修改稿)
2024-07-23 18:57 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 ,0xff,0xff,0xff,0xff,0xff,0xff,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,0x89,0x86,0x83,0x80,0x80,0x7c,0x79,0x76,0x72,0x6f,0x6c,0x69,0x66,0x63,0x60,0x5d,0x5a,0x57,0x55,0x51,0x4e,0x4c,0x48,0x45,0x43,0x40,0x3d,0x3a,0x38,0x35,0x33,0x30,0x2e,0x2b,0x29,0x27,0x25,0x22,0x20,0x1e,0x1c,0x1a,0x18,0x16,0x15,0x13,0x11,0x10,0x0e,0x0d,0x0b,0x0a,0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x02,0x02,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0d,0x0e,0x10,0x11,0x13,0x15,0x16,0x18,0x1a,0x1c,0x1e,0x20,0x22,0x25,0x27,0x29,0x2b,0x2e,0x30,0x33,0x35,0x38,0x3a,0x3d,0x40,0x43,0x45,0x48,0x4c,0x4e,0x51,0x55,0x57,0x5a,0x5d,0x60,0x63,0x66 ,0x69,0x6c,0x6f,0x72,0x76,0x79,0x7c,0x80 }。/*正弦波碼 */void delay(uint z) //延時(shí)子程序 { uchar i,j。 for(i=z。i0。i) for(j=110。j0。j)。}void delay1(uint y){ uint i。 for(i=y。i0。i)。}void write_(uchar ) //1602寫(xiě)指令 { lcdrs=0。 P1=。 delay(5)。 lcde=1。 delay(5)。 lcde=0。}void write_data(uchar date) //1602數(shù)據(jù) { lcdrs=1。 P1=date。 delay(5)。 lcde=1。 delay(5)。 lcde=0。} void init() //初始化 { lcdrw=0。 lcde=0。 wr=0。 cs=0。 write_(0x38)。 write_(0x0c)。 write_(0x06)。 write_(0x01)。 write_(0x80+0x00)。 write_data(0x77)。 //寫(xiě)wave: write_data(0x61)。 write_data(0x76)。 write_data(0x65)。 write_data(0x3a)。 write_(0x80+0x40)。 //寫(xiě) f： write_data(0x66)。 write_data(0x3a)。 }void write_f(uint date) //寫(xiě)頻率 { uchar qian,bai,shi,ge。 qian=date/1000。 bai=date/100%10。 shi=date/10%10。 ge=date%10。 write_(0x80+0x42)。 write_data(0
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