#include <msp430f6638.h>
#define LCD_d 0x01
#define LCD_e 0x02
#define LCD_g 0x04
#define LCD_f 0x08
#define LCD_dp 0x10
#define LCD_c 0x20
#define LCD_b 0x40
#define LCD_a 0x80
const char LCD_NUM[] = {
LCD_a + LCD_b + LCD_c + LCD_d + LCD_e + LCD_f, //0
LCD_b + LCD_c, //1
LCD_a + LCD_b + LCD_d + LCD_e + LCD_g, //2
LCD_a + LCD_b + LCD_c + LCD_d + LCD_g, //3
LCD_b + LCD_c + LCD_f + LCD_g, //4
LCD_a + LCD_c + LCD_d + LCD_f + LCD_g, //5
LCD_a + LCD_c + LCD_d + LCD_e + LCD_f + LCD_g, //6
LCD_a + LCD_b + LCD_c, //7
LCD_a + LCD_b + LCD_c + LCD_d + LCD_e + LCD_f + LCD_g, //8
LCD_a + LCD_b + LCD_c + LCD_d + LCD_f + LCD_g //9
};
void Init_TS3A5017DR()
{
// Configure TS3A5017DR IN1 and IN2
P1DIR |= BIT6 + BIT7; // P1.7 : IN1; P1.6 : IN2 set as output
P1OUT &= ~BIT7; // IN1 = 0
P1OUT |= BIT6; // IN2 = 1
}
void Init_LCD()
{
LCDBCTL0 = LCDDIV0 + LCDPRE0 + LCDMX1 + LCDSSEL + LCDMX1 + LCD4MUX;
LCDBPCTL0 = LCDS0 + LCDS1 + LCDS2 + LCDS3 + LCDS4 + LCDS5 + LCDS6 + LCDS7 + LCDS8 + LCDS9 + LCDS10 + LCDS11;
P5SEL = 0xFC; // use LCD driver
}
void BackLightEnable()
{
P8DIR |= BIT0;
P8OUT |= BIT0;
}
void LCD_Set(const char is_launched)
{
if (is_launched == 1)
{
LCDBCTL0 |= LCDON;
}
else if (is_launched == 0)
{
LCDBCTL0 &= ~LCDON;
}
}
void LCD_Clear()
{
unsigned char index;
for (index = 0; index < 12; ++index)
{
LCDMEM[index] = 0;
}
}
int his[8];
int temp;
void main(void)
{
WDTCTL = WDTPW + WDTHOLD; //關(guān)閉看門狗
P3DIR |= BIT4+BIT5+BIT2; //設(shè)置MSP430端口和TM1638相連的引腳
ADC12CTL0 |= ADC12ON + ADC12SHT0_2 + ADC12REFON; //打開ADC，設(shè)置采樣時間，打開內(nèi)部參考電壓發(fā)生器
ADC12CTL1 |= ADC12SHP; //選擇SAMPON來自采樣定時器，單通道單次采樣模式（默認）
ADC12MCTL0 = ADC12SREF_0 + ADC12INCH_6;
ADC12IE = BIT0; //開中斷使能
ADC12CTL0 |= ADC12ENC; //ADC使能
Init_TS3A5017DR();
Init_LCD();
LCD_Set(1);
LCD_Clear();
BackLightEnable();
while(1)
{
ADC12CTL0 |= ADC12SC; //啟動轉(zhuǎn)換
_BIS_SR(CPUOFF + GIE); //CPU休眠，開啟總中斷，等待轉(zhuǎn)換完成
volatile int i;
for (i = 7; i > 0; --i)
his[i] = his[i - 1];
his[0] = temp;
double sum = 0;
for (i = 0; i < 8; ++i)
sum += his[i];
sum = sum / 8 * 15000 / 4095;
unsigned int result = sum;
LCDMEM[4] = LCD_NUM[result % 10];
LCDMEM[3] = LCD_NUM[result / 10 % 10];
LCDMEM[2] = LCD_NUM[result / 100 % 10];
LCDMEM[1] = LCD_NUM[result / 1000 % 10];
LCDMEM[0] = LCD_NUM[result / 10000 % 10];
}
}
#pragma vector = ADC12_VECTOR
__interrupt void ADC12_ISR(void)
{
temp = ADC12MEM0;
_BIC_SR_IRQ(CPUOFF); //退出低功耗模式，相當于LPM0_EXIT;
}
//TM1638資料見上一條帖子
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