基于单片机的液体点滴控制系统设计说明书论文

南京工程学院毕业设计说明书（论文）

else if (key == KEY_ENTER) { if (tmp1 > 999){tmp1 = 999;} uiBuzzerTimer = tmp1 * 100; return; } }//end of while (1) return; }

void main(void) {

uint8 key = 0; //初始化

DelayTime1ms(100);

LcdInit(); BUZZER = 1; TimerInit(0, 10); //10ms计时精度 InterruptInit(0, 1); //1=下降沿方式触发 while (1) { key = GetKey(0); if (key == KEY_SET) { LcdClear(); Setting(); LcdClear(); } else if (key == KEY_ENTER) { if (ucBuzzerOn == 0){ucBuzzerOn = 1;} else {ucBuzzerOn = 0;} } //显示当前状态 { if (ucBuzzerOn){DrawText(13, 0, \ else {DrawText(13, 0, \ } //显示当前滴速

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南京工程学院毕业设计说明书（论文）

{ uint16 tmp = uiPPM; if (tmp > 9999){tmp = 9999;} LcdWrite(0, 0, '0' + (tmp / 1000)); tmp %= 1000; LcdWrite(1, 0, '0' + (tmp / 100)); tmp %= 100; LcdWrite(2, 0, '0' + (tmp / 10)); tmp %= 10; LcdWrite(3, 0, '0' + (tmp / 1)); DrawText(4, 0, \ } //显示当前累计滴数 { uint32 tmp = ulCount; if (tmp > 999999){tmp = 999999;} LcdWrite(0, 1, '0' + (tmp / 100000)); tmp %= 100000; 镄辉蔺敘档檻岂苈祸紧。 LcdWrite(1, 1, '0' + (tmp / 10000)); tmp %= 10000; 梟裥荞獰淪钲壚蚀颈鍥。 LcdWrite(2, 1, '0' + (tmp / 1000)); tmp %= 1000; LcdWrite(3, 1, '0' + (tmp / 100)); tmp %= 100; LcdWrite(4, 1, '0' + (tmp / 10)); tmp %= 10; LcdWrite(5, 1, '0' + (tmp / 1)); DrawText(6, 1, \ } } //结束while(1) }

void INT_0(void) interrupt 0 { //滴数累计 ulCount++; //滴速计算 uiPPM = 6000 / GetTimerTick(0); // P/min SetTimerTick(0, 0); //重新计时 }

//定时器部分

void InterruptInit(uint8 ucInterrupt, uint8 ucType)//初始化定时器輟绀脑誒滢搂厨议犧異。 {

if (ucInterrupt == 0)

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南京工程学院毕业设计说明书（论文）

{ IT0 = ucType; EX0 = 1; }

else if (ucInterrupt == 1) { IT1 = ucType; EX1 = 1; }

EA = 1; }

void CloseInterrupt(uint8 ucInterrupt)//关闭中断 {

if (ucInterrupt == 0) {

EX0 = 0; }

else if (ucInterrupt == 1) {

EX1 = 0; } }

uint16 GetTimerTick(uint8 ucTimer) {

if (ucTimer <= 2) {

uint16 tmp = uiTimerTick[ucTimer];

while (tmp != uiTimerTick[ucTimer]){tmp = uiTimerTick[ucTimer];}屡浔缱飛獼轄黨诼鐙虏。

return tmp; } else {

return 0; } }

void timer0(void) interrupt 1 { //定时器重新计时

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南京工程学院毕业设计说明书（论文）

TF0 = 0;

TL0 = ucTimerClock[0][0]; TH0 = ucTimerClock[0][1];

uiTimerTick[0]++;

if (ucBuzzerOn) { if (uiTimerTick[0] > uiBuzzerTimer){BUZZER = 0;} //10s不滴报警诏弑缁岘睑慫龜贮沩驏。 else {BUZZER = 1;} } else { BUZZER = 1; } }

//按键部分

uint8 GetKey(uint8 type) { uint8 ucKeyValue = 0; static uint8 s_ucFastKey = 0; //去抖 ucKeyValue = ScanKey(); if (ucKeyValue == 0){s_ucFastKey = 0; return 0;} //没有按键返回0鳧冲经粮籩赂鸡躯铠潔。 KeyDelay1ms(10); //10ms去抖 ucKeyValue = ScanKey(); if (ucKeyValue == 0){s_ucFastKey = 0; return 0;} //没有按键返回0聰駘絷轳终实騭逻顯赡。

#if BELL_ENABLE == 1 BELL_ON(); KeyDelay1ms(10); //响蜂鸣器 BELL_OFF(); #endif

if (type == 0) {

s_ucFastKey = ucKeyValue; while (s_ucFastKey != 0) {

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