yanse-.rar_tsl230 _yanse下载

/*============================================================================= * FileName:TSL230.c * Resouce Descption: * S0:pc0; * S1:pc1; * S2:pc2; * S3:pc3; * OE:Pc5,LOW->Enable,High->Disable; * Out:PD5;T1 * Time1:clk计数 * time2:1s计时 F=clk/1s 编者:郝飞 2011年4月21日 =============================================================================*/ #include<iom16v.h> #include <macros.h> #define uchar unsigned char #define uint unsigned int #define ulong unsigned long #define F_POWERDOWN 0 #define F_100_2 1 #define F_100_20 2 #define F_100_100 3 #define PH_RED 0 #define PH_BLUE 1 #define PH_CLEAR 2 #define PH_GREEN 3 uint CNT1=0; //T1溢出个数 uint CNT2=0; ulong Tisk; //T2计时1s所用的T1定时器值 uchar FrequencyMode; //TCS频率输出模式 uchar PhotoDiodeMode; //TCS虑光模式 uchar Time_1sFlag = 0; //定时器1标志 //数码管字型表，对应0，1，2，3，4，5，6，7，8，9// uchar Table[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; uchar Data[6]={0,0,0,0,0,0}; //显示初始值：0 0 0 0 0 0 void delay_us( int t) //us { do t--; while(t>1); } void delay_ms(unsigned int t) //ms { while(t!=0) { delay_us(1142); t--; } } /*============================================= * TSL230 inital * pA0-pA3:s0-s3(out) * OE(PA5):out =============================================*/ void TCS230Inital(void) //..Mode Set { DDRC = DDRC | 0x0f; //PC0-PC3 OUT PORTC = PORTC | 0x0f; //PC5 out PORTC = PORTC | 0x20; //0010 0000 DDRC = DDRC | 0x20; PORTC = PORTC & 0xdf; //1101 1111 } void port_init(void) { DDRA=0XFF; //PORTA=0xff; DDRD=0XFF; //PORTD=0xff; DDRB=0XF0; PORTB=0xff; } void init_devices(void) { SREG=0X00; // C禁止所有中断 port_init(); TCS230Inital(); //TCS230Inital();//颜色传感器初始化 timer1_init(); timer2_init(); SREG=0X80; //开全局中断 } void Display(uchar *p) //动态显示函数，参数p为待显示的数组名 { uchar i,sel=0x01; for(i=0;i<3;i++) { PORTA=Table[Data[i]]; delay_us(1); PORTD=BIT(i); //delay_us(400); } } void timer1_init(void) //定时T1初始化 { TCCR1B=0x00; //停止定时器 TCNT1H = 0x00; TCNT1L = 0x00; //初始值 TCCR1A = 0x00; TCCR1B = 0x07; //外部T1 引脚，上升沿驱动 TIMSK|=0x20; //中断允许 } //定时器T1溢出中断服务程序 #pragma interrupt_handler timer1:9 void timer1(void) { CNT1++; TCNT1=0; //重装值 } void timer2_init(void) //定时器T2初始化 { TCCR2=0X00; //停止定时器 TCNT2=0x06; //初始值 TCCR2=0x02; //启动定时器1024分频 TIMSK|=0x40; //中断允许 } //T2溢出中断服务程序 #pragma interrupt_handler timer2:5 void timer2(void) { CNT2++; TCNT2=0x05; if(CNT2==125) { TCCR1B = 0x00; //关闭计数 Tisk=CNT1*65536+TCNT1; //计算频率值 TCNT1=0; //清除计数值 TCNT2=0x05; CNT1=0; CNT2=0; Time_1sFlag = 1; TCCR1B=0x07; //开始计数 } } /*===================================================================== * S0:pc0; * S1:pC1; * S2:pC2; * S3:pC3; * S1S0:00(PowerDown) 01(%20) 10(%2) 11(%100) * s3s2:00(Red) 01(clear) 10(blue) 11(green) * return 0:ACK 1:FOutMode erro 2:PhotoType erro =====================================================================*/ uchar TCS230Mode(uchar FOutMode,uchar PhotoType) { //frequency mode 频率模式 if( FOutMode == F_POWERDOWN) //关断电源模式 { //S1S0:00 pc1=pC0=0 PORTC = PORTC & 0xfc; } else if(FOutMode == F_100_2) //频率因子为2% { //S1S0:10 pc1=1,pc0=0 PORTC = PORTC & 0xfe;// 1111 1110 PORTC = PORTC | 0x02;// 0000 0010 } else if(FOutMode == F_100_20) //频率因子为20% { //S1S0:01 pc1=0 pc0=1 PORTC = PORTC & 0xfd;//1111 1101 PORTC = PORTC | 0x01;//0000 0001 } else if(FOutMode == F_100_100) //频率因子为100% { //S1S0:11 pc1=pc0=1 PORTC = PORTC | 0x03;//0000 0011 } else { //频率因子参数错误返回1 return 1; } FrequencyMode = FOutMode; //photoDIODE type 颜色模式 if(PhotoType==PH_RED) //滤波器类型为红色 { //s3s2:00 pc3=pc2=0 PORTC = PORTC & 0xf3;//1111 0011 } else if(PhotoType==PH_CLEAR) //滤波器类型为没有 { //s3s2:01 pc3=0 pc2=1 PORTC = PORTC & 0xf7;//1111 0111 PORTC = PORTC | 0x04;//0000 0100 } else if(PhotoType==PH_BLUE) //滤波器类型为蓝色 { //s3s2:10 pc3=1 pc2=0 PORTC = PORTC & 0xfb;//1111 1011 PORTC = PORTC | 0x08;//0000 1000 } else if(PhotoType==PH_GREEN) //滤波器类型为绿色 { //s3s2:11 pc3=pc2=1 PORTC = PORTC | 0x0c;//1100 0000 // } else { //滤波器颜色参数错误返回2 return 2; } PhotoDiodeMode=PhotoType; return 0; //参数正确响应返回0 } /*=====================================================================*/ void Process(ulong X,uchar *p) { p[0]=X/100; X=X%100; p[1]=X/10; p[2]=X%10; } void main() { init_devices(); SEI(); while(1) { FrequencyMode = F_100_100; //TCS频率输出模式 PhotoDiodeMode = PH_RED; //TCS虑光模式 TCS230Mode(FrequencyMode,PhotoDiodeMode); if(Time_1sFlag==1) { Time_1sFlag=0; Process(Tisk*1300/1000,Data); Display(Data); } } }