基于MSP430高效LED驱动程序部分精编.docx

1、基于MSP430高效LED驱动程序部分精编/*/ 基于tps61040的led/*#include msp430x14x.h#include BoardConfig.h #include 1602.c#define keyin (P1IN & 0x0f)#define N 10/*/端口的初始化/*void Port_Init() P1SEL = BIT6 + BIT7; P1DIR = BIT6 + BIT7; P1IES = BIT0 + BIT1 + BIT2 + BIT3; P1IE = BIT0 + BIT1 + BIT2 + BIT3; P2DIR = BIT0; P2OUT =

2、0x7e; /P6IN = BIT0; P6DIR = 0xfe; P6OUT = 0xfe;/*/变量定义/*uint Results32;uint Average;static uchar Flag=0; /标志变量uint TEMP=0; /ADC值暂存变量 uint temp,A1,A2,A3,A4,A5,A6,A7; /定义的变量,显示数据处理volatile uint Count=0,a=0,b=0; / 步进计数int BujinN = 29,27,25,21,19,17,15,11,9; int Bujin_test30 = 23,67,110,149,186,200,24;/

3、 步进3mA /uint LedweiN = 0xff,0xfd,0xf9,0xf1,0xe1,0xc1,0x80,0x01;int Bujin130 = 23,37,52,67,81,94,108,122,136,149,160,173,187;unsigned int width10=0,0,0,0,0,0,0,0,0,0;/ TB 使用unsigned int i=0; /TB 使用/*/延时去抖/*void delay( uint t) /延时 while (t-);/*void delay_key(void) /按键去抖延时 uint tmp; uchar i; for(i = 7;

4、 i 0; i-) for(tmp = 12000;tmp 0;tmp-); */ TB 初始化void TB_Init(void) P4SEL|=BIT0; BCSCTL1&=XT2OFF; do IFG1 &= OFIFG; for (i=256;i0;i-); while (IFG1 & OFIFG) != 0); BCSCTL2 =SELM_2+SELS; TBCCTL0&=(CCIS1+CCIS0); TBCCTL0|=CM_2+SCS+CAP; TBCCTL0|=CCIE; TBCTL|=ID_3; TBCTL|=TBSSEL_2; TBCTL|=TBCLR; TBCTL|=MC_

5、2; _EINT(); /*/TA12/*void TA12PWM(uint TA0,uint TA1,uint TA2) /TA12控制函数 TACTL |= MC_1 + TASSEL_1; TACCTL1 = OUTMOD_7; TACCTL2 = OUTMOD_7; TACCR0 = TA0; TACCR1 = TA1; TACCR2 = TA2; /*/ AD采样显示/*void LCD_DisplayADC() LCD_write_char(0x0b,0,0x30+A1); LCD_write_char(0x0c,0,0x30+A2); LCD_write_char(0x0d,0,

6、0x30+A3); LCD_write_char(0x0e,0,0X30+A4);void LCD_DisplayVoltage() LCD_write_char(0x0b,1,0x30+A5); LCD_write_char(0x0c,1,.); LCD_write_char(0x0d,1,0x30+A6); LCD_write_char(0x0e,1,0X30+A7); LCD_write_char(0x0f,1,V);/*/ 数字量显示处理函数/*void Data_do(uint temp_d) uint temp_1,temp_2; A1=temp_d/1000; /分出千，百，十，

7、和个位 temp_1=temp_d%1000; A2=temp_1/100; temp_2=temp_1%100; A3=temp_2/10; A4=temp_2%10;/*/ 电压数据显示处理函数/*void Voltage_do(uint temp_d) uint temp_1,temp_2; ulong temp_3; temp_3=(ulong)(temp_d)*250; /转换公式，ADC数字量转换为电压大小，注意数据类型 temp_d=temp_3/4095; /12位精度，除以4095 A5=temp_d/100; /分出百，十，和个位 temp_1=temp_d%100; A6

8、=temp_1/10; temp_2=temp_1%10; A7=temp_2;/*/ ADC初始化程序，用于配置ADC相关寄存器/*void ADC_Init() P6SEL |=0x01; /选择ADC通道 ADC12CTL0|= ADC12ON + SHT0_15 + REF2_5V + REFON; /ADC电源控制开，16个CLK，内部基准2.5V ADC12CTL1|= ADC12SSEL1 + ADC12SSEL0; /SMCLK做时钟源 ADC12MCTL0= SREF0 + INCH_0; /参考控制位及通道选择，这里选择通道0 ADC12IE|= 0x01; /中断允许 A

9、DC12CTL0|= ENC; /使能转换器/*/按键中断执行函数/*void P10_key(void) Count +; TA12PWM(199,Bujin_testCount,Bujin_testCount); if(Count = 6) Count = 0; P6OUT = 0xef; /if(Count = 4) /P16DIR = 0x /TACCR0 = 65; /32.768 500KHZ / P6OUT = LedweiCount;void P11_key(void) a +; TA12PWM(199,Bujina,BujinCount); if(a=3) P6OUT = 0

10、xff; if(a =6) P6OUT = 0xef; /TACCR0 = 65; /32.768 500KHZ / P6OUT = LedweiCount;void P12_key(void) TA12PWM(199,16,17); P6OUT = 0xef; delay_ms(1000); /TA12PWM(199,15,17); delay_ms(1000); / TA12PWM(199,14,17); delay_ms(1000); delay_ms(1000); delay_ms(1000); TA12PWM(199,15,17); P6OUT = 0xff; delay_ms(10

11、00); TA12PWM(199,12,17); delay_ms(1000); TA12PWM(199,11,17); /TA12PWM(199,6,17); delay_ms(1000); TA12PWM(199,7,17); delay_ms(1000); TA12PWM(199,5,17); delay_ms(3000); TA12PWM(199,2,17); delay_ms(5000); TA12PWM(199,0,17); void P13_key(void) b +; TA12PWM(199,Bujin1b,Bujin1Count); /*/ADC中断服务程序/*/*#prag

12、ma vector=ADC_VECTOR_interrupt void ADC12ISR(void) uchar j; while(ADC12CTL1&0x01)=1); /如果ADC忙，则等待，否则读取ADC转换数值 Flag = 1 ; TEMP = ADC12MEM0; /读取ADC转换值 Data_do(TEMP); /处理ADC值，用于显示，数字量 Voltage_do(TEMP); /处理ADC值，用于显示，模拟电压值 for(j=0;j15;j+) LCD_DisplayADC(); /显示ADC的数据，ADC数字量 LCD_DisplayVoltage(); /显示ADC的电压

13、值 */*#pragma vector=ADC_VECTOR_interrupt void ADC12ISR (void) static uchar index = 0; uchar i; Resultsindex+ = ADC12MEM0; / Move results, IFG is cleared if(index = 31) /uchar i; Average = 0; for(i = 0; i = 5; /除以32求平均值 index = 0; _BIC_SR_IRQ(LPM0_bits); / Clear LPM0 Data_do(width1); /处理ADC值，用于显示，数字量

14、 Voltage_do(width1); /处理ADC值，用于显示，模拟电压值 for(i=0; i15; i+) LCD_DisplayADC(); /显示ADC的数据，ADC数字量 LCD_DisplayVoltage(); /显示ADC的电压值 */*/P1中断服务函数/*#pragma vector=PORT1_VECTOR /p1中断_interrupt void PORT1_ISR(void) /volatile uint Count = 1; if(P1IFG & 0x0f) switch(P1IFG) case 0x01: if(keyin = 0x0e) delay_ms(7

15、); if(keyin = 0x0e) / while(keyin != 0x0f); P10_key(); / TA12PWM(199,89,199); / delay_ms(2000); P1IFG = 0; return; case 0x02: if(keyin = 0x0d) delay_ms(7); if(keyin = 0x0d) /while(keyin != 0x0f); P11_key(); /TA12PWM(199,159,199); / delay_ms(2000); P1IFG = 0; return; case 0x04: if(keyin = 0x0b) delay

16、_ms(7); if(keyin = 0x0b) / while(keyin != 0x0f); P12_key(); / delay_ms(2000); P1IFG = 0; return; case 0x08: if(keyin = 0x07) delay_ms(7); if(keyin = 0x07) / while(keyin != 0x0f); P13_key(); /delay_ms(2000); P1IFG = 0; return; default: while(keyin != 0x0f); /等待按键放开 P1IFG = 0; return; P1IFG = 0;/*/定时器

17、TB的CCR0的中断：用于检测脉冲上升与下降沿#pragma vector=TIMERB0_VECTOR_interrupt void TimerB0(void) if(TBCCTL0&CM1) TBCTL|=TBCLR; TBCCTL0 = (TBCCTL0&(CM1)|CM0; else if(TBCCTL0&CM0) widthi+ = TBCCR0; TBCCTL0 = (TBCCTL0&(CM0)|CM1; if (i=10) i=0; */*/main主程序/*void main(void) WDT_Init(); /看门狗初始化 Clock_Init(); /时钟初始化 Port

18、_Init_1602(); /1602 端口初始化，用于控制IO口输入或输出 Port_Init(); /端口的初始化 ADC_Init(); /初始化ADC配置 delay_ms(100); /延时100ms LCD_init(); /液晶参数初始化设置 LCD_clear(); /清屏 LCD_Desk(); _EINT(); /使能中断 Flag=1; /标志位先置1 / TB_Init(); TA12PWM(199,Bujin_test0,Bujin_test7); /P4SEL|=BIT0; /BCSCTL1&=XT2OFF; /打开XT2振荡器 P6OUT = 0xef; while(1) / P6OUT = LedweiCount; / int i=9; /* while(Flag=1) ADC12CTL0 |= ADC12SC; /开启转换 ADC12CTL0 &= ADC12SC; /清零 Flag=0; /清零标志位 Data_do(width1); /处理ADC值，用于显示，数字量 Voltage_do(width1); /处理ADC值，用于显示，模拟电压值 for(i=0; i15; i+) LCD_DisplayADC(); /显示ADC的数据，ADC数字量 LCD_DisplayVoltage(); /显示ADC的电压值 */ /