STC实验箱4 IAP15W4K58S4 Keil uVision V5.29.0.0 PK51 Prof.Developers Kit Version:9.60.0.0
库函数
比较器的库函数仅在官方例程中发现，未与其他库函数放在一起，笔者也未对其进行测试，请谨慎使用。
compare.c /*---------------------------------------------------------------------*//* --- STC MCU International Limited ----------------------------------*//* --- STC 1T Series MCU Demo Programme -------------------------------*//* --- Mobile: (86)13922805190 ----------------------------------------*//* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*//* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*//* --- Web: www.GXWMCU.com --------------------------------------------*//* --- QQ: 800003751 -------------------------------------------------*//* 如果要在程序中使用此代码,请在程序中注明使用了宏晶科技的资料及程序 *//*---------------------------------------------------------------------*/#include "compare.h"//========================================================================// 函数:voidCMP_Inilize(CMP_InitDefine *CMPx)// 描述: 比较器初始化程序.// 参数: CMPx: 结构参数,请参考compare.h里的定义.// 返回: 成功返回0, 空操作返回1,错误返回2.// 版本: V1.0, 2012-10-22//========================================================================voidCMP_Inilize(CMP_InitDefine *CMPx){CMPCR1 = 0;CMPCR2 = CMPx->CMP_OutDelayDuty & 0x3f;//比较结果变化延时周期数, 0~63if(CMPx->CMP_EN == ENABLE)CMPCR1 |= CMPEN;//允许比较器ENABLE,DISABLEif(CMPx->CMP_RiseInterruptEn == ENABLE)CMPCR1 |= PIE;//允许上升沿中断ENABLE,DISABLEif(CMPx->CMP_FallInterruptEn == ENABLE)CMPCR1 |= NIE;//允许下降沿中断ENABLE,DISABLEif(CMPx->CMP_P_Select == CMP_P_ADCIS)CMPCR1 |= PIS;//比较器输入正极性选择, CMP_P_P55: 选择内部P5.5做正输入, CMP_P_ADCIS: 由ADCIS[2:0]所选择的ADC输入端做正输入.if(CMPx->CMP_N_Select == CMP_N_P54)CMPCR1 |= NIS;//比较器输入负极性选择, CMP_N_BGv: 选择内部BandGap电压BGv做负输入, CMP_N_P54: 选择外部P5.4做输入.if(CMPx->CMP_OutptP12_En == ENABLE)CMPCR1 |= CMPOE;//允许比较结果输出到P1.2, ENABLE,DISABLEif(CMPx->CMP_InvCMPO == ENABLE)CMPCR2 |= INVCMPO;//比较器输出取反, ENABLE,DISABLEif(CMPx->CMP_100nsFilter == DISABLE)CMPCR2 |= DISFLT;//内部0.1uF滤波, ENABLE,DISABLE//u8CMP_Polity;//中断优先级, PolityLow,PolityHigh}/********************* 比较器中断函数************************/void CMP_int (void) interrupt CMP_VECTOR{P13 = ~P13;if((CMPCR1 & CMPRES) > 0)P14 = ~P14;elseP15 = ~P15;CMPCR1 &= ~CMPIF;//清除中断标志} compare.h /*---------------------------------------------------------------------*//* --- STC MCU International Limited ----------------------------------*//* --- STC 1T Series MCU Demo Programme -------------------------------*//* --- Mobile: (86)13922805190 ----------------------------------------*//* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*//* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*//* --- Web: www.GXWMCU.com --------------------------------------------*//* --- QQ: 800003751 -------------------------------------------------*//* 如果要在程序中使用此代码,请在程序中注明使用了宏晶科技的资料及程序 *//*---------------------------------------------------------------------*/#ifndef__COMPARE_H#define__COMPARE_H#include"config.h"//CMPCR1#defineCMPEN0x80//1: 允许比较器, 0: 禁止,关闭比较器电源#defineCMPIF0x40//比较器中断标志, 包括上升沿或下降沿中断, 软件清0#definePIE0x20//1: 比较结果由0变1, 产生上升沿中断#defineNIE0x10//1: 比较结果由1变0, 产生下降沿中断#definePIS0x08#defineNIS0x04//输入负极性选择, 0: 选择内部BandGap电压BGv做负输入, 1: 选择外部P5.4做输入.#defineCMPOE0x02//1: 允许比较结果输出到P1.2, 0: 禁止.#defineCMPRES0x01//比较结果, 1: CMP+电平高于CMP-, 0: CMP+电平低于CMP-, 只读//CMPCR2#defineINVCMPO0x80//1: 比较器输出取反, 0: 不取反#defineDISFLT0x40//1: 关闭0.1uF滤波, 0: 允许#defineLCDTY0x00//0~63, 比较结果变化延时周期数#defineCMP_P_P550#defineCMP_P_ADCIS1#defineCMP_N_P541#defineCMP_N_BGv0typedef struct{ u8CMP_EN;//比较器允许或禁止, ENABLE,DISABLEu8CMP_Interrupt;//比较器中断允许或禁止, ENABLE,DISABLEu8CMP_RiseInterruptEn;//比较器上升沿中断允许或禁止, ENABLE,DISABLE u8CMP_FallInterruptEn;//比较器下降沿中断允许或禁止, ENABLE,DISABLEu8CMP_P_Select;//比较器输入正极性选择, CMP_P_P55: 选择内部P5.5做正输入, CMP_P_ADCIS: 由ADCIS[2:0]所选择的ADC输入端做正输入.u8CMP_N_Select;//比较器输入负极性选择, CMP_N_BGv: 选择内部BandGap电压BGv做负输入, CMP_N_P54: 选择外部P5.4做输入.u8CMP_OutptP12_En;//允许比较结果输出到P1.2, ENABLE,DISABLEu8CMP_Polity;//中断优先级, PolityLow,PolityHighu8CMP_InvCMPO;//比较器输出取反, ENABLE,DISABLEu8CMP_100nsFilter;//内部0.1uF滤波, ENABLE,DISABLEu8CMP_OutDelayDuty;//0~63, 比较结果变化延时周期数} CMP_InitDefine; voidCMP_Inilize(CMP_InitDefine *CMPx);#endif STC15Fxxxx.H该头文件版本补充了比较器的寄存器。
/*---------------------------------------------------------------------*//* --- STC MCU International Limited ----------------------------------*//* --- STC 1T Series MCU Demo Programme -------------------------------*//* --- Mobile: (86)13922805190 ----------------------------------------*//* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*//* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*//* --- Web: www.GXWMCU.com --------------------------------------------*//* --- QQ: 800003751 -------------------------------------------------*//* 如果要在程序中使用此代码,请在程序中注明使用了宏晶科技的资料及程序 *//*---------------------------------------------------------------------*/#ifndef_STC15Fxxxx_H#define_STC15Fxxxx_H#include <intrins.h>/* BYTE Registers */sfr P0 = 0x80;sfr SP = 0x81;sfr DPL = 0x82;sfr DPH = 0x83;sfrS4CON = 0x84;sfrS4BUF = 0x85;sfr PCON = 0x87;sfr TCON = 0x88;sfr TMOD = 0x89;sfr TL0 = 0x8A;sfr TL1 = 0x8B;sfr TH0 = 0x8C;sfr TH1 = 0x8D;sfrAUXR = 0x8E;sfr WAKE_CLKO = 0x8F;sfr INT_CLKO = 0x8F;sfrAUXR2 = 0x8F;sfr RL_TL0 = 0x8A;sfr RL_TL1 = 0x8B;sfr RL_TH0 = 0x8C;sfr RL_TH1 = 0x8D;sfr P1 = 0x90;sfr P1M1 = 0x91;//P1M1.n,P1M0.n =00--->Standard,01--->push-pull实际上1T的都一样sfr P1M0 = 0x92;//=10--->pure input,11--->open drainsfr P0M1 = 0x93;//P0M1.n,P0M0.n =00--->Standard,01--->push-pullsfr P0M0 = 0x94;//=10--->pure input,11--->open drainsfr P2M1 = 0x95;//P2M1.n,P2M0.n =00--->Standard,01--->push-pullsfr P2M0 = 0x96;//=10--->pure input,11--->open drainsfr CLK_DIV = 0x97;sfr PCON2 = 0x97;sfr SCON = 0x98;sfr SBUF = 0x99;sfr S2CON = 0x9A;//sfr S2BUF = 0x9B;//sfr P1ASF = 0x9D;//只写，模拟输入(AD或LVD)选择sfr P2 = 0xA0;sfr BUS_SPEED = 0xA1;sfr AUXR1 = 0xA2;sfr P_SW1 = 0xA2;sfr IE = 0xA8;sfr SADDR = 0xA9;sfr WKTCL = 0xAA;//唤醒定时器低字节sfr WKTCH = 0xAB;//唤醒定时器高字节sfrS3CON = 0xAC;sfr S3BUF = 0xAD;sfr IE2 = 0xAF;//STC12C5A60S2系列sfr P3 = 0xB0;sfr P3M1 = 0xB1;//P3M1.n,P3M0.n =00--->Standard,01--->push-pullsfr P3M0 = 0xB2;//=10--->pure input,11--->open drainsfr P4M1 = 0xB3;//P4M1.n,P4M0.n =00--->Standard,01--->push-pullsfr P4M0 = 0xB4;//=10--->pure input,11--->open drainsfr IP2 = 0xB5;//STC12C5A60S2系列sfr IPH2 = 0xB6;//STC12C5A60S2系列sfr IPH = 0xB7;sfr IP = 0xB8;sfr SADEN = 0xB9;sfrP_SW2 = 0xBA;sfr ADC_CONTR = 0xBC;//带AD系列sfr ADC_RES = 0xBD;//带AD系列sfr ADC_RESL = 0xBE;//带AD系列sfr P4 = 0xC0;sfr WDT_CONTR = 0xC1;sfr IAP_DATA = 0xC2;sfr IAP_ADDRH = 0xC3;sfr IAP_ADDRL = 0xC4;sfr IAP_CMD = 0xC5;sfr IAP_TRIG = 0xC6;sfr IAP_CONTR = 0xC7;sfr ISP_DATA = 0xC2;sfr ISP_ADDRH = 0xC3;sfr ISP_ADDRL = 0xC4;sfr ISP_CMD = 0xC5;sfr ISP_TRIG = 0xC6;sfr ISP_CONTR = 0xC7;sfr P5 = 0xC8;//sfr P5M1 = 0xC9;//P5M1.n,P5M0.n =00--->Standard,01--->push-pullsfr P5M0 = 0xCA;//=10--->pure input,11--->open drainsfr P6M1 = 0xCB;//P5M1.n,P5M0.n =00--->Standard,01--->push-pullsfr P6M0 = 0xCC;//=10--->pure input,11--->open drainsfr SPSTAT = 0xCD;//sfr SPCTL = 0xCE;//sfr SPDAT = 0xCF;//sfr PSW = 0xD0;sfrT4T3M = 0xD1;sfrT4H = 0xD2;sfrT4L = 0xD3;sfrT3H = 0xD4;sfrT3L = 0xD5;sfrT2H = 0xD6;sfrT2L = 0xD7;sfrTH4 = 0xD2;sfrTL4 = 0xD3;sfrTH3 = 0xD4;sfrTL3 = 0xD5;sfrTH2 = 0xD6;sfrTL2 = 0xD7;sfrRL_T4H 0xD2;sfrRL_T4L = 0xD3;sfrRL_T3H = 0xD4;sfrRL_T3L = 0xD5;sfrRL_T2H = 0xD6;sfrRL_T2L = 0xD7;sfr CCON = 0xD8;//sfr CMOD = 0xD9;//sfr CCAPM0 = 0xDA;//PCA模块0的工作模式寄存器。sfr CCAPM1 = 0xDB;//PCA模块1的工作模式寄存器。sfr CCAPM2 = 0xDC;//PCA模块2的工作模式寄存器。sfr ACC = 0xE0;sfrP7M1 = 0xE1;sfrP7M0 = 0xE2;sfrCMPCR1 = 0xE6;sfrCMPCR2 = 0xE7;sfrP6 = 0xE8;sfr CL = 0xE9;//sfr CCAP0L = 0xEA;//PCA模块0的捕捉/比较寄存器低8位。sfr CCAP1L = 0xEB;//PCA模块1的捕捉/比较寄存器低8位。sfr CCAP2L = 0xEC;//PCA模块2的捕捉/比较寄存器低8位。sfr B = 0xF0;sfr PCA_PWM0 = 0xF2;//PCA模块0 PWM寄存器。sfr PCA_PWM1 = 0xF3;//PCA模块1 PWM寄存器。sfr PCA_PWM2 = 0xF4;//PCA模块2 PWM寄存器。sfrP7 = 0xF8;sfr CH = 0xF9;sfr CCAP0H = 0xFA;//PCA模块0的捕捉/比较寄存器高8位。sfr CCAP1H = 0xFB;//PCA模块1的捕捉/比较寄存器高8位。sfr CCAP2H = 0xFC;//PCA模块2的捕捉/比较寄存器高8位。/* BIT Registers *//* PSW */sbit CY = PSW^7;sbit AC = PSW^6;sbit F0 = PSW^5;sbit RS1 = PSW^4;sbit RS0 = PSW^3;sbit OV = PSW^2;sbit F1 = PSW^1;sbit P = PSW^0;/* TCON */sbit TF1 = TCON^7;//定时器1溢出中断标志位sbit TR1 = TCON^6;//定时器1运行控制位sbit TF0 = TCON^5;//定时器0溢出中断标志位sbit TR0 = TCON^4;//定时器0运行控制位sbit IE1 = TCON^3;//外中断1标志位sbit IT1 = TCON^2;//外中断1信号方式控制位，1：下降沿中断，0：上升下降均中断。sbit IE0 = TCON^1;//外中断0标志位sbit IT0 = TCON^0;//外中断0信号方式控制位，1：下降沿中断，0：上升下降均中断。/* P0 */sbit P00 = P0^0;sbit P01 = P0^1;sbit P02 = P0^2;sbit P03 = P0^3;sbit P04 = P0^4;sbit P05 = P0^5;sbit P06 = P0^6;sbit P07 = P0^7;/* P1 */sbit P10 = P1^0;sbit P11 = P1^1;sbit P12 = P1^2;sbit P13 = P1^3;sbit P14 = P1^4;sbit P15 = P1^5;sbit P16 = P1^6;sbit P17 = P1^7;sbit RXD2 = P1^0;sbit TXD2 = P1^1;sbit CCP1 = P1^0;sbit CCP0 = P1^1;sbit SPI_SS = P1^2;sbit SPI_MOSI = P1^3;sbit SPI_MISO = P1^4;sbit SPI_SCLK = P1^5;/* P2 */sbit P20 = P2^0;sbit P21 = P2^1;sbit P22 = P2^2;sbit P23 = P2^3;sbit P24 = P2^4;sbit P25 = P2^5;sbit P26 = P2^6;sbit P27 = P2^7;/* P3 */sbit P30 = P3^0;sbit P31 = P3^1;sbit P32 = P3^2;sbit P33 = P3^3;sbit P34 = P3^4;sbit P35 = P3^5;sbit P36 = P3^6;sbit P37 = P3^7;sbit RXD = P3^0;sbit TXD = P3^1;sbit INT0 = P3^2;sbit INT1 = P3^3;sbit T0 = P3^4;sbit T1 = P3^5;sbit WR = P3^6;sbit RD = P3^7;sbit CCP2 = P3^7;sbit CLKOUT0 = P3^5;sbit CLKOUT1 = P3^4;/* P4 */sbit P40 = P4^0;sbit P41 = P4^1;sbit P42 = P4^2;sbit P43 = P4^3;sbit P44 = P4^4;sbit P45 = P4^5;sbit P46 = P4^6;sbit P47 = P4^7;/* P5 */sbit P50 = P5^0;sbit P51 = P5^1;sbit P52 = P5^2;sbit P53 = P5^3;sbit P54 = P5^4;sbit P55 = P5^5;sbit P56 = P5^6;sbit P57 = P5^7;/* SCON */sbit SM0 = SCON^7;//SM0/FESM0 SM1 = 00 ~ 11: 方式0~3sbit SM1 = SCON^6;//sbit SM2 = SCON^5;//多机通讯sbit REN = SCON^4;//接收允许sbit TB8 = SCON^3;//发送数据第8位sbit RB8 = SCON^2;//接收数据第8位sbit TI = SCON^1;//发送中断标志位sbit RI = SCON^0;//接收中断标志位/* IE */sbit EA = IE^7;//中断允许总控制位sbit ELVD = IE^6;//低压监测中断允许位sbit EADC = IE^5;//ADC 中断 允许位sbit ES = IE^4;//串行中断 允许控制位sbit ET1 = IE^3;//定时中断1允许控制位sbit EX1 = IE^2;//外部中断1允许控制位sbit ET0 = IE^1;//定时中断0允许控制位sbit EX0 = IE^0;//外部中断0允许控制位/* IP */ /*sbit PPCA = IP^7;//PCA 中断 优先级设定位sbit PLVD = IP^6; //低压中断 优先级设定位sbit PADC = IP^5; //ADC 中断 优先级设定位sbit PS = IP^4;//串行中断0优先级设定位sbit PT1 = IP^3;//定时中断1优先级设定位sbit PX1 = IP^2;//外部中断1优先级设定位sbit PT0 = IP^1;//定时中断0优先级设定位sbit PX0 = IP^0;//外部中断0优先级设定位*/sbit ACC0 = ACC^0;sbit ACC1 = ACC^1;sbit ACC2 = ACC^2;sbit ACC3 = ACC^3;sbit ACC4 = ACC^4;sbit ACC5 = ACC^5;sbit ACC6 = ACC^6;sbit ACC7 = ACC^7;sbit B0 = B^0;sbit B1 = B^1;sbit B2 = B^2;sbit B3 = B^3;sbit B4 = B^4;sbit B5 = B^5;sbit B6 = B^6;sbit B7 = B^7;//7 6 5 4 3 2 1 0 Reset Value//sfr IE2 = 0xAF;- - - - - - ESPI ES2 0000,0000B//Auxiliary Interrupt #defineSPI_INT_ENABLE()IE2 |= 2//允许SPI中断#defineSPI_INT_DISABLE()IE2 &= ~2//允许SPI中断#defineUART2_INT_ENABLE()IE2 |= 1//允许串口2中断#defineUART2_INT_DISABLE()IE2 &= ~1//允许串口2中断// 7 6 5 4 3 2 1 0 Reset Value//sfr IP = 0xB8; //中断优先级低位 PPCA PLVD PADC PS PT1 PX1 PT0 PX0 0000,0000//--------sbit PPCA= IP^7;//PCA 模块中断优先级sbit PLVD= IP^6;//低压监测中断优先级sbit PADC= IP^5;//ADC 中断优先级sbit PS = IP^4;//串行中断0优先级设定位sbit PT1= IP^3;//定时中断1优先级设定位sbit PX1= IP^2;//外部中断1优先级设定位sbit PT0= IP^1;//定时中断0优先级设定位sbit PX0= IP^0;//外部中断0优先级设定位// 7 6 5 4 3 2 1 0 Reset Value//sfr IPH = 0xB7; //中断优先级高位 PPCAH PLVDH PADCH PSH PT1H PX1H PT0H PX0H 0000,0000//sfr IP2 = 0xB5; // - - - - - - PSPI PS2 xxxx,xx00//sfr IPH2 = 0xB6; // - - - - - - PSPIH PS2H xxxx,xx00#definePPCAH0x80#definePLVDH0x40#definePADCH0x20#definePSH0x10#definePT1H0x08#definePX1H0x04#definePT0H0x02#definePX0H0x01#definePCA_InterruptFirst()PPCA = 1#defineLVD_InterruptFirst()PLVD = 1#defineADC_InterruptFirst()PADC = 1#defineUART1_InterruptFirst()PS = 1#defineTimer1_InterruptFirst()PT1 = 1#defineINT1_InterruptFirst()PX1 = 1#defineTimer0_InterruptFirst()PT0 = 1#defineINT0_InterruptFirst()PX0 = 1/*************************************************************************************************//*************************************************************************************************/#defineS1_DoubleRate()PCON |= 0x80#defineS1_SHIFT()SCON &= 0x3f#defineS1_8bit()SCON = (SCON & 0x3f) | 0x40#defineS1_9bit()SCON = (SCON & 0x3f) | 0xc0#defineS1_RX_Enable()SCON 0x10#defineS1_USE_P30P31()P_SW1 &= ~0xc0//UART1 使用P30 P31口默认#defineS1_USE_P36P37()P_SW1 = (P_SW1 & ~0xc0) | 0x40//UART1 使用P36 P37口#defineS1_USE_P16P17()P_SW1 = (P_SW1 & ~0xc0) | 0x80//UART1 使用P16 P17口#defineS1_TXD_RXD_SHORT()PCON2 |= (1<<4)//将TXD与RXD连接中继输出#defineS1_TXD_RXD_OPEN()PCON2 &= ~(1<<4)//将TXD与RXD连接中继断开默认#define S1_BRT_UseTimer2()AUXR |= 1#define S1_BRT_UseTimer1()AUXR &= ~1// 7 6 5 4 3 2 1 0 Reset Value//sfr S2CON = 0x9A;S2SM0 - S2SM2 S2REN S2TB8 S2RB8 S2TI S2RI 00000000B //S2 Control#defineS2_8bit()S2CON &= ~(1<<7)//串口2模式0，8位UART，波特率 = 定时器2的溢出率 / 4#defineS2_9bit()S2CON |= (1<<7)//串口2模式1，9位UART，波特率 = 定时器2的溢出率 / 4#defineS2_RX_Enable()S2CON |= (1<<4)//允许串2接收#defineS2_MODE0()S2CON &= ~(1<<7)//串口2模式0，8位UART，波特率 = 定时器2的溢出率 / 4#defineS2_MODE1()S2CON |= (1<<7)//串口2模式1，9位UART，波特率 = 定时器2的溢出率 / 4#defineS2_RX_EN()S2CON |= (1<<4)//允许串2接收#defineS2_RX_Disable()S2CON &= ~(1<<4)//禁止串2接收#defineTI2(S2CON & 2) != 0#defineRI2(S2CON & 1) != 0#defineSET_TI2()S2CON |= 2#defineCLR_TI2()S2CON &= ~2#defineCLR_RI2()S2CON &= ~1#defineS2TB8_SET()S2CON |= 8#defineS2TB8_CLR()S2CON &= ~8#defineS2_Int_en()IE2 |= 1//串口2允许中断#defineS2_USE_P10P11()P_SW2 &= ~1//UART2 使用P1口默认#defineS2_USE_P46P47()P_SW2 |= 1//UART2 使用P4口#defineS3_USE_P00P01()P_SW2 &= ~2//UART3 使用P0口默认#defineS3_USE_P50P51()P_SW2 |= 2//UART3 使用P5口#defineS4_USE_P02P03()P_SW2 &= ~4//UART4 使用P0口默认#defineS4_USE_P52P53()P_SW2 |= 4//UART4 使用P5口/**********************************************************/#defineTimer0_16bitAutoReload()TMOD &= ~0x03//16位自动重装#defineTimer0_16bit()TMOD = (TMOD & ~0x03) | 0x01//16位#defineTimer0_8bitAutoReload()TMOD = (TMOD & ~0x03) | 0x02//8位自动重装#defineTimer0_16bitAutoRL_NoMask()TMOD |= 0x03//16位自动重装不可屏蔽中断#defineTimer0_AsCounterP32()TMOD |= 4//时器0用做计数器#defineTimer0_AsTimer()TMOD &= ~4//时器0用做定时器#defineTimer0_ExtControlP34()TMOD |= 4//时器0由外部INT0高电平允许定时计数#define Timer0_Run() TR0 = 1//允许定时器0计数#define Timer0_Stop() TR0 = 0//禁止定时器0计数#define Timer0_InterruptEnable()ET0 = 1//允许Timer1中断.#define Timer0_InterruptDisable()ET0 = 0//禁止Timer1中断.#defineTimer1_16bitAutoReload()TMOD &= ~0x30//16位自动重装#defineTimer1_16bit()TMOD = (TMOD & ~0x30) | 0x10//16位#defineTimer1_8bitAutoReload()TMOD = (TMOD & ~0x30) | 0x20//8位自动重装#defineTimer1_16bitAutoRL_NoMask()TMOD |= 0x30//16位自动重装不可屏蔽中断#defineTimer1_AsCounterP33()TMOD |= (1<<6)//时器1用做计数器#defineTimer1_AsTimer()TMOD &= ~(1<<6)//时器1用做定时器#defineTimer1_ExtControlP35()TMOD |= (1<<7)//时器1由外部INT1高电平允许定时计数#define Timer1_Run() TR1 = 1//允许定时器1计数#define Timer1_Stop() TR1 = 0//禁止定时器1计数#define Timer1_InterruptEnable()ET1 = 1//允许Timer1中断.#define Timer1_InterruptDisable()ET1 = 0//禁止Timer1中断.// 7 6 5 4 3 2 1 0 Reset Value//sfr AUXR = 0x8E;T0x12 T1x12 UART_M0x6 T2R T2_C/T T2x12 EXTRAM S1ST2 0000,0000//Auxiliary Register #define Timer0_1T()AUXR |= (1<<7)//Timer0 clodk = fo#define Timer0_12T()AUXR &= ~(1<<7)//Timer0 clodk = fo/1212分频,default#define Timer1_1T()AUXR |= (1<<6)//Timer1 clodk = fo#define Timer1_12T()AUXR &= ~(1<<6)//Timer1 clodk = fo/1212分频,default#defineS1_M0x6()AUXR |= (1<<5)//UART Mode0 Speed is 6x Standard#defineS1_M0x1()AUXR &= ~(1<<5)//default,UART Mode0 Speed is Standard#define Timer2_Run() AUXR |= (1<<4)//允许定时器2计数#define Timer2_Stop() AUXR &= ~(1<<4)//禁止定时器2计数#defineTimer2_AsCounterP31()AUXR |= (1<<3)//时器2用做计数器#defineTimer2_AsTimer()AUXR &= ~(1<<3)//时器2用做定时器#define Timer2_1T()AUXR |= (1<<2)//Timer0 clodk = fo#define Timer2_12T()AUXR &= ~(1<<2)//Timer0 clodk = fo/1212分频,default#define Timer2_InterruptEnable()IE2 |= (1<<2)//允许Timer2中断.#define Timer2_InterruptDisable()IE2 &= ~(1<<2)//禁止Timer2中断.#define ExternalRAM_enable()AUXR |= 2//允许外部XRAM，禁止使用内部1024RAM#define InternalRAM_enable()AUXR &= ~2//禁止外部XRAM，允许使用内部1024RAM#defineT0_pulseP34_enable()AUXR2 |= 1//允许 T0 溢出脉冲在T0(P3.5)脚输出，Fck0 = 1/2 T0 溢出率，T0可以1T或12T。#defineT0_pulseP34_disable()AUXR2 &= ~1#defineT1_pulseP35_enable()AUXR2 |= 2//允许 T1 溢出脉冲在T1(P3.4)脚输出，Fck1 = 1/2 T1 溢出率，T1可以1T或12T。#defineT1_pulseP35_disable()AUXR2 &= ~2#defineT2_pulseP30_enable()AUXR2 |= 4//允许 T2 溢出脉冲在T1(P3.0)脚输出，Fck2 = 1/2 T2 溢出率，T2可以1T或12T。#defineT2_pulseP30_disable()AUXR2 &= ~4#defineT0_pulseP35(n)ET0=0,Timer0_AsTimer(),Timer0_1T(),Timer0_16bitAutoReload(),TH0=(65536-(n/2+MAIN_Fosc/2)/(n))/256,TL0=(65536-(n/2+MAIN_Fosc/2)/(n))%256,AUXR2 |= bit0,TR0=1//fx=fosc/(2*M)/n, M=1 or M=12#defineT1_pulseP34(n)ET1=0,Timer1_AsTimer(),Timer1_1T(),Timer1_16bitAutoReload(),TH1=(65536-(n/2+MAIN_Fosc/2)/(n))/256,TL1=(65536-(n/2+MAIN_Fosc/2)/(n))%256,AUXR2 |= bit1,TR1=1//fx=fosc/(2*M)/n, M=1 or M=12#defineT2_pulseP30(n)Timer2_InterruptDisable(),Timer2_AsTimer(),Timer2_1T(),TH2=(65536-(n/2+MAIN_Fosc/2)/(n))/256,TL2=(65536-(n/2+MAIN_Fosc/2)/(n))%256,AUXR2 |= bit2,Timer2_Run()//fx=fosc/(2*M)/n, M=1 or M=12#defineTimer0_Load(n)TH0 = (n) / 256,TL0 = (n) % 256#defineTimer1_Load(n)TH1 = (n) / 256,TL1 = (n) % 256#defineTimer2_Load(n)TH2 = (n) / 256,TL2 = (n) % 256#defineTimer0_Load_us(n)TH0=(65536-MainFosc_KHZ*(n)/1000)/256,TL0=(65536-MainFosc_KHZ*(n)/1000)%256#defineTimer1_Load_us(n)TH1=(65536-MainFosc_KHZ*(n)/1000)/256,TL1=(65536-MainFosc_KHZ*(n)/1000)%256#defineTimer2_Load_us(n)TH2=(65536-MainFosc_KHZ*(n)/1000)/256,TL2=(65536-MainFosc_KHZ*(n)/1000)%256//sfr WDT_CONTR = 0xC1; //Watch-Dog-Timer Control register// 7 6 5 4 3 2 1 0 Reset Value// WDT_FLAG - EN_WDT CLR_WDT IDLE_WDT PS2 PS1 PS0 xx00,0000#define D_WDT_FLAG(1<<7)#define D_EN_WDT(1<<5)#define D_CLR_WDT(1<<4)//auto clear#define D_IDLE_WDT(1<<3)//WDT counter when Idle#define D_WDT_SCALE_20#define D_WDT_SCALE_41#define D_WDT_SCALE_82//T=393216*N/fo#define D_WDT_SCALE_163#define D_WDT_SCALE_324#define D_WDT_SCALE_645#define D_WDT_SCALE_1286#define D_WDT_SCALE_2567#defineWDT_reset(n)WDT_CONTR = D_EN_WDT + D_CLR_WDT + D_IDLE_WDT + (n)//初始化WDT，喂狗// 7 6 5 4 3 2 1 0 Reset Value//sfr PCON = 0x87;SMOD SMOD0 LVDF POF GF1 GF0 PD IDL 0001,0000 //Power Control //SMOD//串口双倍速//SMOD0#defineLVDF(1<<5)//P4.6低压检测标志//POF//GF1//GF0//#define D_PD2//set 1, power down mode//#define D_IDLE1//set 1, idle mode#defineMCU_IDLE()PCON |= 1//MCU 进入 IDLE 模式#defineMCU_POWER_DOWN()PCON |= 2//MCU 进入 睡眠 模式//sfr ISP_CMD = 0xC5;#defineISP_STANDBY()ISP_CMD = 0//ISP空闲命令（禁止）#defineISP_READ()ISP_CMD = 1//ISP读出命令#defineISP_WRITE()ISP_CMD = 2//ISP写入命令#defineISP_ERASE()ISP_CMD = 3//ISP擦除命令//sfr ISP_TRIG = 0xC6;#define ISP_TRIG()ISP_TRIG = 0x5A,ISP_TRIG = 0xA5//ISP触发命令// 7 6 5 4 3 2 1 0 Reset Value//sfr IAP_CONTR = 0xC7;IAPEN SWBS SWRST CFAIL - WT2 WT1 WT0 0000,x000//IAP Control Register#define ISP_EN(1<<7)#define ISP_SWBS(1<<6)#define ISP_SWRST(1<<5)#define ISP_CMD_FAIL(1<<4)#define ISP_WAIT_1MHZ7#define ISP_WAIT_2MHZ6#define ISP_WAIT_3MHZ5#define ISP_WAIT_6MHZ4#define ISP_WAIT_12MHZ3#define ISP_WAIT_20MHZ2#define ISP_WAIT_24MHZ1#define ISP_WAIT_30MHZ0#if (MAIN_Fosc >= 24000000L)#defineISP_WAIT_FREQUENCYISP_WAIT_30MHZ#elif (MAIN_Fosc >= 20000000L)#defineISP_WAIT_FREQUENCYISP_WAIT_24MHZ#elif (MAIN_Fosc >= 12000000L)#defineISP_WAIT_FREQUENCYISP_WAIT_20MHZ#elif (MAIN_Fosc >= 6000000L)#defineISP_WAIT_FREQUENCYISP_WAIT_12MHZ#elif (MAIN_Fosc >= 3000000L)#defineISP_WAIT_FREQUENCYISP_WAIT_6MHZ#elif (MAIN_Fosc >= 2000000L)#defineISP_WAIT_FREQUENCYISP_WAIT_3MHZ#elif (MAIN_Fosc >= 1000000L)#defineISP_WAIT_FREQUENCYISP_WAIT_2MHZ#else#defineISP_WAIT_FREQUENCYISP_WAIT_1MHZ#endif/* ADC Register *///7 6 5 4 3 2 1 0 Reset Value//sfr ADC_CONTR = 0xBC;ADC_POWER SPEED1 SPEED0 ADC_FLAG ADC_START CHS2 CHS1 CHS0 0000,0000//AD 转换控制寄存器 //sfr ADC_RES = 0xBD;ADCV.9 ADCV.8 ADCV.7 ADCV.6 ADCV.5 ADCV.4 ADCV.3 ADCV.2 0000,0000//A/D 转换结果高8位 //sfr ADC_RESL = 0xBE; ADCV.1 ADCV.0 0000,0000//A/D 转换结果低2位//sfr ADC_CONTR = 0xBC;//直接用MOV操作，不要用与或//sfr SPCTL = 0xCE;SPI控制寄存器// 7 6 5 4 3 2 1 0 Reset Value//SSIGSPENDORDMSTRCPOLCPHASPR1SPR00x00#defineSPI_SSIG_None()SPCTL |= (1<<7)//1: 忽略SS脚#defineSPI_SSIG_Enable()SPCTL &= ~(1<<7)//0: SS脚用于决定主从机#defineSPI_Enable()SPCTL |= (1<<6)//1: 允许SPI#defineSPI_Disable()SPCTL &= ~(1<<6)//0: 禁止SPI#defineSPI_LSB_First()SPCTL |= (1<<5)//1: LSB先发#defineSPI_MSB_First()SPCTL &= ~(1<<5)//0: MSB先发#defineSPI_Master()SPCTL |= (1<<4)//1: 设为主机#defineSPI_Slave()SPCTL &= ~(1<<4)//0: 设为从机#defineSPI_SCLK_NormalH()SPCTL |= (1<<3)//1: 空闲时SCLK为高电平#SPI_SCLK_NormalL()SPCTL &= ~(1<<3)//0: 空闲时SCLK为低电平#defineSPI_PhaseH()SPCTL |= (1<<2)//1: #defineSPI_PhaseL()SPCTL &= ~(1<<2)//0: #defineSPI_Speed(n)SPCTL = (SPCTL & ~3) | (n)//设置速度, 0 -- fosc/4, 1 -- fosc/16, 2 -- fosc/64, 3 -- fosc/128//sfr SPDAT = 0xCF; //SPI Data Register 0000,0000//sfr SPSTAT = 0xCD;//SPI状态寄存器// 7 6 5 4 3 2 1 0 Reset Value//SPIFWCOL------#defineSPIF0x80//SPI传输完成标志。写入1清0。#defineWCOL0x40//SPI写冲突标志。写入1清0。#defineSPI_USE_P12P13P14P15()AUXR1 &= ~0x0c//将SPI切换到P12(SS) P13(MOSI) P14(MISO) P15(SCLK)(上电默认)。#defineSPI_USE_P24P23P22P21()AUXR1 = (AUXR1 & ~0x0c) | 0x04//将SPI切换到P24(SS) P23(MOSI) P22(MISO) P21(SCLK)。#defineSPI_USE_P54P40P41P43()AUXR1 = (AUXR1 & ~0x0c) | 0x08//将SPI切换到P54(SS) P40(MOSI) P41(MISO) P43(SCLK)。/*;PCA_PWMn: 7 6 5 4 3 2 1 0;EBSn_1EBSn_0----EPCnHEPCnL;B5-B2:保留;B1(EPCnH):在PWM模式下，与CCAPnH组成9位数。;B0(EPCnL):在PWM模式下，与CCAPnL组成9位数。*/#definePWM0_NORMAL()PCA_PWM0 &= ~3//PWM0正常输出(默认)#definePWM0_OUT_0()PCA_PWM0 |= 3//PWM0一直输出0#definePWM0_OUT_1()PCA_PWM0 &= ~3, CCAP0H = 0//PWM0一直输出1#definePWM1_NORMAL()PCA_PWM1 &= ~3//PWM0正常输出(默认)#definePWM1_OUT_0()PCA_PWM1 |= 3//PWM0一直输出0#definePWM1_OUT_1()PCA_PWM1 &= ~3, CCAP1H = 0//PWM1一直输出1#definePWM2_NORMAL()PCA_PWM2 &= ~3//PWM1正常输出(默认)#definePWM2_OUT_0()PCA_PWM2 |= 3//PWM2一直输出0#definePWM2_OUT_1()PCA_PWM2 &= ~3, CCAP2H = 0//PWM2一直输出1//7 6 5 4 3 2 1 0 Reset Value//sfr CCON = 0xD8;CF CR - - - CCF2 CCF1 CCF0 00xx,xx00//PCA 控制寄存器。sbit CCF0 = CCON^0;//PCA 模块0中断标志，由硬件置位，必须由软件清0。sbit CCF1 = CCON^1;//PCA 模块1中断标志，由硬件置位，必须由软件清0。sbit CCF2 = CCON^2;//PCA 模块2中断标志，由硬件置位，必须由软件清0。sbit CR = CCON^6;//1: 允许PCA计数器计数，必须由软件清0。sbit CF = CCON^7;//PCA计数器溢出（CH，CL由FFFFH变为0000H）标志。PCA计数器溢出后由硬件置位，必须由软件清0。// 7 6 5 4 3 2 1 0 Reset Value//sfr CMOD = 0xD9;CIDL - - - CPS2 CPS1 CPS0 ECF 0xxx,0000//PCA 工作模式寄存器。#define PCA_IDLE_OFF()CMOD |= (1<<7)//IDLE状态PCA停止计数。#define PCA_IDLE_ON()CMOD &= ~(1<<7)//IDLE状态PCA继续计数。#define PCA_CLK_12T()CMOD &= ~0x0E//PCA计数脉冲选择外部晶振/12。fosc/12#define PCA_CLK_2T()CMOD = (CMOD & ~0x0E) + 2//PCA计数脉冲选择外部晶振/2。fosc/2#define PCA_CLK_T0()CMOD = (CMOD & ~0x0E) + 4//PCA计数脉冲选择Timer0中断，Timer0可通过AUXR寄存器设置成工作在12T或1T模式。#define PCA_CLK_ECI()CMOD = (CMOD & ~0x0E) + 6//PCA计数脉冲选择从ECI/P3.4脚输入的外部时钟，最大 fosc/2。#define PCA_CLK_1T()CMOD = (CMOD & ~0x0E) + 8//PCA计数脉冲选择外部晶振。Fosc/1#define PCA_CLK_4T()CMOD = (CMOD & ~0x0E) + 10//PCA计数脉冲选择外部晶振/4。Fosc/4#define PCA_CLK_6T()CMOD = (CMOD & ~0x0E) + 12//PCA计数脉冲选择外部晶振/6。Fosc/6#define PCA_CLK_8T()CMOD = (CMOD & ~0x0E) + 14//PCA计数脉冲选择外部晶振/8。Fosc/8#define PCA_INT_ENABLE()CMOD |= 1//PCA计数器溢出中断允许位，1---允许CF（CCON.7）产生中断。#define PCA_INT_DISABLE()CMOD &= ~1//PCA计数器溢出中断禁止。// 7 6 5 4 3 2 1 0 Reset Value//sfr AUXR1 = 0xA2; S1_S1 S1_S0 CCP_S1 CCP_S0 SPI_S1 SPI_S0 - DPS 0100,0000//Auxiliary Register 1#definePCA_USE_P12P11P10P37()AUXR1 &= ~0x30//将PCA/PWM切换到P12(ECI) P11(CCP0) P10(CCP1) P37(CCP2)(上电默认)。#definePCA_USE_P34P35P36P37()AUXR1 = (AUXR1 & ~0x30) | 0x10//将PCA/PWM切换到P34(ECI) P35(CCP0) P36(CCP1) P37(CCP2)。#definePCA_USE_P24P25P26P27()AUXR1 = (AUXR1 & ~0x30) | 0x20//将PCA/PWM切换到P24(ECI) P25(CCP0) P26(CCP1) P27(CCP2)。#defineDPS_SEL1()AUXR1 |= 1//1：选择DPTR1。#defineDPS_SEL0()AUXR1 &= ~1//0：选择DPTR0(上电默认)。/*7 6 5 4 3 2 1 0 Reset Value//sfr CCAPM0 = 0xDA;PWM 寄存器 - ECOM0 CAPP0 CAPN0 MAT0 TOG0 PWM0 ECCF0 x000,0000//PCA 模块0 //sfr CCAPM1 = 0xDB;PWM 寄存器 - ECOM1 CAPP1 CAPN1 MAT1 TOG1 PWM1 ECCF1 x000,0000//PCA 模块1//sfr CCAPM2 = 0xDC;PWM 寄存器 - ECOM2 CAPP2 CAPN2 MAT2 TOG2 PWM2 ECCF2 x000,0000//PCA 模块2;ECOMn = 1:允许比较功能。;CAPPn = 1:允许上升沿触发捕捉功能。;CAPNn = 1:允许下降沿触发捕捉功能。;MATn = 1:当匹配情况发生时，允许CCON中的CCFn置位。;TOGn = 1:当匹配情况发生时，CEXn将翻转。(CEX0/PCA0/PWM0/P3.7,CEX1/PCA1/PWM1/P3.5);PWMn = 1:将CEXn设置为PWM输出。;ECCFn = 1:允许CCON中的CCFn触发中断。;ECOMn CAPPn CAPNn MATn TOGn PWMn ECCFn; 0 0 0 0 0 0 000H未启用任何功能。; x 1 0 0 0 0 x 20H16位CEXn上升沿触发捕捉功能。; x 0 1 0 0 0 x 10H16位CEXn下降沿触发捕捉功能。; x 1 1 0 0 0 x 30H16位CEXn/PCAn边沿（上、下沿）触发捕捉功能。; 1 0 0 1 0 0 x 48H16位软件定时器。; 1 0 0 1 1 0 x 4CH16位高速脉冲输出。; 1 0 0 0 0 1 042H8位PWM。无中断; 1 1 0 0 0 1 163H8位PWM。低变高可产生中断; 1 0 1 0 0 1 153H8位PWM。高变低可产生中断; 1 1 1 0 0 1 173H8位PWM。低变高或高变低均可产生中断;*******************************************************************;*******************************************************************/#definePCA0_none()CCAPM0 = 0#definePCA0_PWM(nbit)CCAPM0 = 0x42,PCA_PWM0 = (PCA_PWM0 & 0x0c) | ((8-nbit)<<6)#definePCA0_PWM_rise_int(nbit) CCAPM0 = 0x63,PCA_PWM0 = (PCA_PWM0 & 0x0c) | ((8-nbit)<<6)#definePCA0_PWM_fall_int(nbit) CCAPM0 = 0x53,PCA_PWM0 = (PCA_PWM0 & 0x0c) | ((8-nbit)<<6)#definePCA0_PWM_edge_int(nbit) CCAPM0 = 0x73,PCA_PWM0 = (PCA_PWM0 & 0x0c) | ((8-nbit)<<6)#definePCA0_capture_rise()CCAPM0 = (0x20 + 1)#definePCA0_capture_fall()CCAPM0 = (0x10 + 1)#definePCA0_capture_edge()CCAPM0 = (0x30 + 1)#definePCA0_16bit_Timer()CCAPM0 = (0x48 + 1)#definePCA0_High_Pulse()CCAPM0 = (0x4C + 1)#definePCA1_none()CCAPM1 = 0#definePCA1_PWM(nbit)CCAPM1 = 0x42,PCA_PWM1 = (PCA_PWM1 & 0x0c) | ((8-nbit)<<6)#definePCA1_PWM_rise_int(nbit) CCAPM1 = 0x63,PCA_PWM1 = (PCA_PWM1 & 0x0c) | ((8-nbit)<<6)#definePCA1_PWM_fall_int(nbit) CCAPM1 = 0x53,PCA_PWM1 = (PCA_PWM1 & 0x0c) | ((8-nbit)<<6)#definePCA1_PWM_edge_int(nbit) CCAPM1 = 0x73,PCA_PWM1 = (PCA_PWM1 & 0x0c) | ((8-nbit)<<6)#definePCA1_capture_rise()CCAPM1 = (0x20 + 1)#definePCA1_capture_fall()CCAPM1 = (0x10 + 1)#definePCA1_capture_edge()CCAPM1 = (0x30 + 1)#definePCA1_16bit_Timer()CCAPM1 = (0x48 + 1)#definePCA1_High_Pulse()CCAPM1 = (0x4C + 1)#definePCA2_none()CCAPM2 = 0#definePCA2_PWM(nbit)CCAPM2 = 0x42,PCA_PWM2 = (PCA_PWM2 & 0x0c) | ((8-nbit)<<6)#definePCA2_PWM_rise_int(nbit) CCAPM2 = 0x63,PCA_PWM2 = (PCA_PWM2 & 0x0c) | ((8-nbit)<<6)#definePCA2_PWM_fall_int(nbit) CCAPM2 = 0x53,PCA_PWM2 = (PCA_PWM2 & 0x0c) | ((8-nbit)<<6)#definePCA2_PWM_edge_int(nbit) CCAPM2 = 0x73,PCA_PWM2 = (PCA_PWM2 & 0x0c) | ((8-nbit)<<6)#definePCA2_capture_rise()CCAPM2 = (0x20 + 1)#definePCA2_capture_fall()CCAPM2 = (0x10 + 1)#definePCA2_capture_edge()CCAPM2 = (0x30 + 1)#definePCA2_16bit_Timer()CCAPM2 = (0x48 + 1)#definePCA2_High_Pulse()CCAPM2 = (0x4C + 1)/* Above is STC additional SFR or change *//**********************************************************/typedef unsigned charu8;typedef unsigned intu16;typedef unsigned longu32;/**********************************************************/#define NOP1() _nop_()#define NOP2() NOP1(),NOP1()#define NOP3() NOP2(),NOP1()#define NOP4() NOP3(),NOP1()#define NOP5() NOP4(),NOP1()#define NOP6() NOP5(),NOP1()#define NOP7() NOP6(),NOP1()#define NOP8() NOP7(),NOP1()#define NOP9() NOP8(),NOP1()#define NOP10() NOP9(),NOP1()#define NOP11() NOP10(),NOP1()#define NOP12() NOP11(),NOP1()#define NOP13() NOP12(),NOP1()#define NOP14() NOP13(),NOP1()#define NOP15() NOP14(),NOP1()#define NOP16() NOP15(),NOP1()#define NOP17() NOP16(),NOP1()#define NOP18() NOP17(),NOP1()#define NOP19() NOP18(),NOP1()#define NOP20() NOP19(),NOP1()#define NOP21() NOP20(),NOP1()#define NOP22() NOP21(),NOP1()#define NOP23() NOP22(),NOP1()#define NOP24() NOP23(),NOP1()#define NOP25() NOP24(),NOP1()#define NOP26() NOP25(),NOP1()#define NOP27() NOP26(),NOP1()#define NOP28() NOP27(),NOP1()#define NOP29() NOP28(),NOP1()#define NOP30() NOP29(),NOP1()#define NOP31() NOP30(),NOP1()#define NOP32() NOP31(),NOP1()#define NOP33() NOP32(),NOP1()#define NOP34() NOP33(),NOP1()#define NOP35() NOP34(),NOP1()#define NOP36() NOP35(),NOP1()#define NOP37() NOP36(),NOP1()#define NOP38() NOP37(),NOP1()#define NOP39() NOP38(),NOP1()#define NOP40() NOP39(),NOP1()#define NOP(N) NOP##N()/**********************************************//****************************************************************///sfr INT_CLKO = 0x8F;//附加的 SFR WAKE_CLKO (地址：0x8F)/*7 6 5 4 3 2 1 0 Reset Value- EX4 EX3 EX2 - T2CLKO T1CLKO T0CLKO 0000,0000Bb6 - EX4 : 外中断INT4允许b5 - EX3 : 外中断INT3允许b4 - EX2 : 外中断INT2允许b2 - T1CLKO : 允许 T2 溢出脉冲在P3.0脚输出，Fck1 = 1/2 T1 溢出率b1 - T1CLKO : 允许 T1 溢出脉冲在P3.4脚输出，Fck1 = 1/2 T1 溢出率b0 - T0CLKO : 允许 T0 溢出脉冲在P3.5脚输出，Fck0 = 1/2 T0 溢出率*/#defineLVD_InterruptEnable()ELVD = 1#defineLVD_InterruptDisable()ELVD = 0//sfr WKTCL = 0xAA;//STC11F\10和STC15系列 唤醒定时器低字节//sfr WKTCH = 0xAB;//STC11F\10和STC15系列 唤醒定时器高字节//B7B6B5B4B3B2B1B0B7B6B5B4B3B2B1B0//WKTENS11S10S9S8S7S6S5S4S3S2S1S0n * 560us#defineWakeTimerDisable()WKTCH &= 0x7f//WKTEN = 0禁止睡眠唤醒定时器#defineWakeTimerSet(scale)WKTCL = (scale) % 256,WKTCH = (scale) / 256 | 0x80//WKTEN = 1允许睡眠唤醒定时器//sfr CLK_DIV = 0x97; //Clock Divder 系统时钟分频 - - - - - CLKS2 CLKS1 CLKS0 xxxx,x000#defineSYSTEM_CLK_1T()CLK_DIV &= ~0x07//default#defineSYSTEM_CLK_2T()CLK_DIV = (CLK_DIV & ~0x07) | 1#defineSYSTEM_CLK_4T()CLK_DIV = (CLK_DIV & ~0x07) | 2#defineSYSTEM_CLK_8T()CLK_DIV = (CLK_DIV & ~0x07) | 3#defineSYSTEM_CLK_16T()CLK_DIV = (CLK_DIV & ~0x07) | 4#defineSYSTEM_CLK_32T()CLK_DIV = (CLK_DIV & ~0x07) | 5#defineSYSTEM_CLK_64T()CLK_DIV = (CLK_DIV & ~0x07) | 6#defineSYSTEM_CLK_128T()CLK_DIV = CLK_DIV | 7#defineMCLKO_P54_None()CLK_DIV &= ~0xc0//主时钟不输出#defineMCLKO_P54_DIV1()CLK_DIV = (CLK_DIV & ~0xc0) | 0x40//主时钟不分频输出#defineMCLKO_P54_DIV2()CLK_DIV = (CLK_DIV & ~0xc0) | 0x80//主时钟2分频输出#defineMCLKO_P54_DIV4()CLK_DIV = CLK_DIV | 0xc0//主时钟4分频输出#defineMCLKO_P34_None()CLK_DIV &= ~0xc0//主时钟不输出#defineMCLKO_P34_DIV1()CLK_DIV = (CLK_DIV & ~0xc0) | 0x40//主时钟不分频输出#defineMCLKO_P34_DIV2()CLK_DIV = (CLK_DIV & ~0xc0) | 0x80//主时钟2分频输出#defineMCLKO_P34_DIV4()CLK_DIV = CLK_DIV | 0xc0//主时钟4分频输出//sfr BUS_SPEED = 0xA1; //Stretch register - - - - - - EXRTS1 EXRTSS0 xxxx,xx10#defineBUS_SPEED_1T()BUS_SPEED = 0#defineBUS_SPEED_2T()BUS_SPEED = 1#defineBUS_SPEED_4T()BUS_SPEED = 2#defineBUS_SPEED_8T()BUS_SPEED = 3/* interrupt vector */#defineINT0_VECTOR0#defineTIMER0_VECTOR1#defineINT1_VECTOR2#defineTIMER1_VECTOR3#defineUART1_VECTOR4#defineADC_VECTOR5#defineLVD_VECTOR6#definePCA_VECTOR7#defineUART2_VECTOR8#defineSPI_VECTOR9#defineINT2_VECTOR10#defineINT3_VECTOR11#defineTIMER2_VECTOR12#defineINT4_VECTOR16#defineUART3_VECTOR17#defineUART4_VECTOR18#defineTIMER3_VECTOR19#defineTIMER4_VECTOR20#defineCMP_VECTOR21#defineTRUE1#defineFALSE0//=============================================================//========================================#definePolityLow0//低优先级中断#definePolityHigh1//高优先级中断//========================================#defineMCLKO_None0#defineMCLKO_DIV11#defineMCLKO_DIV22#defineMCLKO_DIV43#defineENABLE1#defineDISABLE0#defineSTC15F_L2K08S28#defineSTC15F_L2K16S216#defineSTC15F_L2K24S224#defineSTC15F_L2K32S232#defineSTC15F_L2K40S240#defineSTC15F_L2K48S248#defineSTC15F_L2K56S256#defineSTC15F_L2K60S260#defineIAP15F_L2K61S261#endif 测试程序修改timer.c文件的timer0_int函数，添加如下内容：
#include "compare.h"#defineADC_SCALE50000//ADC满量程, 根据需要设置sbitP_ADC= P1^2;//P1.2 比较器转IO输出端u16adc;//ADC中间值, 用户层不可见u16adc_duty;//ADC计数周期, 用户层不可见u16adc_value;//ADC值, 用户层使用bitadc_ok;//ADC结束标志, 为1则adc_value的值可用. 此标志给用户层查询,并且清0/********************* Timer0中断函数************************/void timer0_int (void) interrupt TIMER0_VECTOR{if((CMPCR1 & CMPRES) == 0)//比较器输出低电平P_ADC = 0;//P_ADC输出低电平, 给负输入端做反馈. else//比较器输出高电平. {P_ADC = 1;//P_ADC输出高电平, 给负输入端做反馈. adc ++;//ADC计数+1}if(--adc_duty == 0)//ADC周期-1, 到0则ADC结束{adc_duty = ADC_SCALE;//周期计数赋初值adc_value = adc;//保存ADC值adc = 0;//清除ADC值adc_ok = 1;//标志ADC已结束}} main.c /*---------------------------------------------------------------------*//* --- STC MCU International Limited ----------------------------------*//* --- STC 1T Series MCU Demo Programme -------------------------------*//* --- Mobile: (86)13922805190 ----------------------------------------*//* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*//* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*//* --- Web: www.GXWMCU.com --------------------------------------------*//* --- QQ: 800003751 -------------------------------------------------*//* 如果要在程序中使用此代码,请在程序中注明使用了宏晶科技的资料及程序 *//*---------------------------------------------------------------------*//****************************本示例在Keil开发环境下请选择Intel的8052芯片型号进行编译本例程MCU的工作频率为22.1184MHz.使用MCU自带的比较器进行ADC转换, 并通过串口输出结果. 用定时器0产生10us中断查询比较器的状态.使用比较器做ADC, 原理图如下.做ADC的原理是基于电荷平衡的计数式ADC.电压从Vin输入, 通过100K+104滤波, 进入比较器的P5.5正输入端, 经过比较器的比较, 将结果输出到P1.5再通过100K+104滤波后送比较器P5.4负输入端,跟输入电压平衡.设置两个变量: 计数周期(量程)adc_duty 和 比较结果高电平的计数值 adc, adc严格比例于输入电压.ADC的基准就是P1.5的高电平. 如果高电平准确,比较器的放大倍数足够大,则ADC结果会很准确.当比较结果为高电平,则P1.5输出1, 并且adc+1.当比较结果为低电平,则P1.5输出0.每一次比较都判断计数周期是否完成,完成则adc里的值就是ADC结果.电荷平衡计数式ADC的性能类似数字万用表用的双积分ADC, 当计数周期为20ms的倍数时,具有很强的抗工频干扰能力,很好的线性和精度.原理可以参考ADD3501(3 1/2位数字万用表)或ADD3701(3 3/4位数字万用表), 也可以参考AD7740 VFC电路.例: 比较一次的时间间隔为10us, 量程为10000, 则做1次ADC的时间为100ms. 比较器的响应时间越短, 则完成ADC就越快.由于要求每次比较时间间隔都要相等,所以用C编程最好在定时器中断里进行, 定时器设置为自动重装, 高优先级中断, 其它中断均低优先级.用汇编的话, 保证比较输出电平处理的时间要相等.100K/| P5.5 ___P1.2 /+|---------o-|___|- ------- Vin.----< | P5.4 || \-|---. || \| | || | || ___ | |'---|___|---o |100K | |--- ------ ---104 | | 104| |=== ===GND GND******************************/#include "./Drivers/config.h"#include "./Drivers/delay.h"#include "./Drivers/timer.h"#include "./Drivers/GPIO.h"#include "./Drivers/soft_UART.h"#include <stdio.h>#include "./Drivers/compare.h"/*************本地常量声明**************//*************本地变量声明**************//*************本地函数声明**************/char putchar(char Char){TxSend(Char);return Char;}/************* 外部函数和变量声明 *****************/externbitB_Timer0;externu16adc_value;//ADC值, 用户层使用externbitadc_ok;//ADC结束标志, 为1则adc_value的值可用. 此标志给用户层查询,并且清0/************************ 比较器配置 ****************************/voidCMP_config(void){CMP_InitDefine CMP_InitStructure;//结构定义CMP_InitStructure.CMP_EN = ENABLE;//允许比较器ENABLE,DISABLECMP_InitStructure.CMP_RiseInterruptEn = DISABLE;//允许上升沿中断ENABLE,DISABLECMP_InitStructure.CMP_FallInterruptEn = DISABLE;//允许下降沿中断ENABLE,DISABLECMP_InitStructure.CMP_P_Select = CMP_P_P55;//比较器输入正极性选择, CMP_P_P55: 选择内部P5.5做正输入, CMP_P_ADCIS: 由ADCIS[2:0]所选择的ADC输入端做正输入.CMP_InitStructure.CMP_N_Select = CMP_N_P54;//比较器输入负极性选择, CMP_N_BGv: 选择内部BandGap电压BGv做负输入, CMP_N_P54: 选择外部P5.4做输入.CMP_InitStructure.CMP_OutptP12_En = DISABLE;//允许比较结果输出到P1.2, ENABLE,DISABLECMP_InitStructure.CMP_InvCMPO = DISABLE;//比较器输出取反, ENABLE,DISABLECMP_InitStructure.CMP_100nsFilter = ENABLE;//内部0.1uF滤波, ENABLE,DISABLECMP_InitStructure.CMP_OutDelayDuty = 20;//比较结果变化延时周期数, 0~63//CMP_InitStructure.CMP_Polity = PolityHigh;//中断优先级, PolityLow,PolityHighCMP_Inilize(&CMP_InitStructure);//初始化Timer2 Timer0,Timer1,Timer2}/************************ IO口配置 ****************************/voidGPIO_config(void){GPIO_InitTypeDefGPIO_InitStructure;//结构定义GPIO_InitStructure.Pin = GPIO_Pin_4 | GPIO_Pin_5;//指定要初始化的IO, GPIO_Pin_0 ~ GPIO_Pin_7, 或操作GPIO_InitStructure.Mode = GPIO_HighZ;//指定IO的输入或输出方式,GPIO_PullUp,GPIO_HighZ,GPIO_OUT_OD,GPIO_OUT_PPGPIO_Inilize(GPIO_P5,&GPIO_InitStructure);//初始化GPIO_InitStructure.Pin = GPIO_Pin_2;//指定要初始化的IO, GPIO_Pin_0 ~ GPIO_Pin_7, 或操作GPIO_InitStructure.Mode = GPIO_OUT_PP;//指定IO的输入或输出方式,GPIO_PullUp,GPIO_HighZ,GPIO_OUT_OD,GPIO_OUT_PPGPIO_Inilize(GPIO_P1,&GPIO_InitStructure);//初始化}/************************ 定时器配置 ****************************/voidTimer_config(void){TIM_InitTypeDefTIM_InitStructure;//结构定义TIM_InitStructure.TIM_Mode = TIM_16BitAutoReload;//指定工作模式, TIM_16BitAutoReload,TIM_16Bit,TIM_8BitAutoReload,TIM_16BitAutoReloadNoMaskTIM_InitStructure.TIM_Polity = PolityHigh;//指定中断优先级, PolityHigh,PolityLowTIM_InitStructure.TIM_Interrupt = ENABLE;//中断是否允许, ENABLE或DISABLETIM_InitStructure.TIM_ClkSource = TIM_CLOCK_1T;//指定时钟源, TIM_CLOCK_1T,TIM_CLOCK_12T,TIM_CLOCK_ExtTIM_InitStructure.TIM_ClkOut = ENABLE;//是否输出高速脉冲, ENABLE或DISABLETIM_InitStructure.TIM_Value = 65536 - MAIN_Fosc / 100000UL;//初值,TIM_InitStructure.TIM_Run = ENABLE;//是否初始化后启动定时器, ENABLE或DISABLETimer_Inilize(Timer0,&TIM_InitStructure);//初始化Timer0 Timer0,Timer1,Timer2}/******************** task A **************************/void main(void){GPIO_config();Timer_config();CMP_config();EA = 1;printf("\r\n使用比较器做ADC例子\r\n");//发送一个字符串while (1){if(adc_ok)//等待ADC结束{adc_ok = 0;//清除ADC已结束标志printf("ADC = %ld\r\n", (long)adc_value);}}}
