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基本上我想要做的是將我已經聲明的三個溫度傳感器讀數並將它們組合到一個數組中。從這一點我希望能夠增加陣列中每個相應變量的值，這取決於用戶選擇哪個當前頻道，這是一個變量，稱爲selectChannel更改數組中變量的值（C編程）
所以如果用戶在頻道0上，並且他們按R，我想溫度傳感器1讀取增加。 @icktoofay提到使用指針，我做了他們推薦的改變，但是當我按r或f時，溫度不會升高。
enter code here
#include "stdafx.h"
#include <Windows.h> //additional header added to allow for coloured text
#include "console.h"
#include <conio.h>
#include "lab4temperatureController.h"
#include <time.h>
//#define hConsole
#define CH1 0
#define CH2 1
#define CH3 2
temperature_t selectChannel = 0;
temperature_t temperatureSensor1Reading = 75;
temperature_t temperatureSensor2Reading = 75;
temperature_t temperatureSensor3Reading = 75;
temperature_t *temperatureSensorReadings[3] = {&temperatureSensor1Reading, &temperatureSensor2Reading, &temperatureSensor3Reading};
//Update Display:---------------------
//Description: prints out readings and updates with increment, decrement and average
//
//Parameters: lowlimit, highlimit, temperatures, Channels
//
//
//Returns:
//
//------------------------------------------------------------------
void updateDisplay()
{
clrscr();
HANDLE hConsole; //standard c library call
hConsole = GetStdHandle(STD_OUTPUT_HANDLE); //used for output screen buffer to allow for coloured text
SetConsoleTextAttribute(hConsole, 2); //sets output screen colour for following text
printf("\nCurrent Temperature for channel 1 is %d\n\n", temperatureSensor1Reading);
printf("Upper Limit for channel 1 is %d\n\n", getHighLimit(CH1));
printf("Lower Limit for channel 1 is %d\n\n", getLowLimit(CH1));
setCurrentTemperature(CH1, temperatureSensor1Reading);
SetConsoleTextAttribute(hConsole, 3); //sets output screen colour for following body of text
printf("Current Temperature for channel 2 is %d\n\n", temperatureSensor2Reading);
printf("Upper Limit for channel 2 is %d\n\n", getHighLimit(CH2));
printf("Lower Limit for channel 2 is %d\n\n", getLowLimit(CH2));
setCurrentTemperature(CH2, temperatureSensor2Reading);
SetConsoleTextAttribute(hConsole, 4); //sets output screen colour for following body of text
printf("Current Temperature for channel 3 is %d\n\n", temperatureSensor3Reading);
printf("Upper Limit for channel 3 is %d\n\n", getHighLimit(CH3));
printf("Lower Limit for channel 3 is %d\n\n", getLowLimit(CH3));
setCurrentTemperature(CH3, temperatureSensor3Reading);
compareMinLimit(CH1);
compareMinLimit(CH2);
compareMinLimit(CH3);
compareHighLimit(CH1);
compareHighLimit(CH2);
compareHighLimit(CH3);
if (isAverageValid() == TRUE)
{
//if average is valid call function to calculate average and print returned value
//SetConsoleTextAttribute(hConsole, 5); //sets output screen colour for following text
printf("average for channel 1 is %d\n\n", calculateAverageTemperature(CH1));
printf("average for channel 2 is %d\n\n", calculateAverageTemperature(CH2));
printf("average for channel 3 is %d\n\n", calculateAverageTemperature(CH3));
//--if average is valid call functions to determine min and max values and print returned values for each channel
temperature_t max1 = calculateMax(CH1);
temperature_t min1 = calculateMin(CH1);
temperature_t max2 = calculateMax(CH2);
temperature_t min2 = calculateMin(CH2);
temperature_t max3 = calculateMax(CH3);
temperature_t min3 = calculateMin(CH3);
printf("the maximum temperature is: %d \n \nthe minimum temperature is: %d \n \n", max1,min1); //display each channels max/min
printf("the maximum temperature is: %d \n \nthe minimum temperature is: %d \n \n ", max2,min2);
printf("the maximum temperature is: %d \n \nthe minimum temperature is: %d \n \n", max3,min3);
// if average is valid call function to print histogram
SetConsoleTextAttribute(hConsole, 15);
printf("the following is the pressure histogram for channel %d \n \n", selectChannel+1);
printPressureHistogram(selectChannel);
//print out the current channels histograms
//initializeTemperatureSubsystem();
}
}
//main:---------------------
//Description: initializes the temperature subsystem and provides user with various input commands
// which can be used to increment, decrement and get average value of temperatures
//Parameters: lowlimit, highlimit, temperatures, MAXSAMPLES
//
//Returns:
//------------------------------------------------------------------
int _tmain(int argc, _TCHAR* argv[])
{
// -- insert variable declaration for time ------
time_t timeOfLastStoredSample, currentTime;
//==============================================
initializeTemperatureSubsystem();
//--insert code to store the initial sensor temperature------
recordCurrentTemperature(CH1, temperatureSensor1Reading); //records each channels temperature reading
recordCurrentTemperature(CH2, temperatureSensor2Reading);
recordCurrentTemperature(CH3, temperatureSensor3Reading);
//--record the time as timeOfLastSample
timeOfLastStoredSample = time(NULL);
//==========================================
printf("\n Q,A: Adjust the current temperature select, W,S adjust our limit, E,D adjust lower limit \n");
unsigned char quit = 'n'; //binds quit to literal value of 'n'
while(quit == 'n') //executes until user quits
{
//-- insert code to get currentTime----
time(¤tTime); //ASK ABOUT THIS (we haev to explicitly direct time to the address for current time
//--insert code to compare the two time values and see if 20 seconds have elapse
if (currentTime - timeOfLastStoredSample >= 1)
{
//if 20 seconds have elapsed, record the time and update value held by timeLastStoredSample
recordCurrentTemperature(CH1, temperatureSensor1Reading);
recordCurrentTemperature(CH2, temperatureSensor2Reading);
recordCurrentTemperature(CH3, temperatureSensor3Reading);
time(&timeOfLastStoredSample);
}
updateDisplay();
Sleep(200);
unsigned char selectedCommand = 0;
if(_kbhit() )
{
selectedCommand = _getch();
switch(selectedCommand)
{
case 'Q': //if user input is Q
case 'q'://if user input is q
selectChannel ++;
if (selectChannel > 2) //determine which channel the user is on, if greater than 2, then cycle to channel 0
selectChannel = CH1;
printf ("\n your current channel is %d \n \n ", selectChannel + 1);
break; //exits loop
case 'A': //if user input is A
case 'a'://if user input is a
selectChannel --;
if (selectChannel < 0) //determine which channel the user is on, if less than 0, then cycle to channel 2
selectChannel = CH3;
printf (" \n your current channel is %d \n \n", selectChannel + 1);
break; //exits loop
case 'R': //if user input is R
case 'r'://if user input is r
*temperatureSensorReadings[selectChannel]++;
break; //exits loop
case 'F': //if user input is 'F'
case 'f': //if user input is 'f'
*temperatureSensorReadings[selectChannel]--;
break; //exits loop
case 'W': //if user input is 'W'
case 'w': //if user input is 'w'
increaseHighLimit(selectChannel); //increase CH1 high limit
break; //exits loop
case 'S':
case 's'://if user input is 'S
decreaseHighLimit(selectChannel); //decrement CH1 high limit
break; //exits loop
case 'E':
case 'e': //if user input is E
increaseLowLimit(selectChannel); //decrement CH1 low limit
break; //exits loop
case'D':
case'd': //if user input is D
decreaseLowLimit(selectChannel); //decrement CH1 lowlimit
break;//exits loop
case'X': //conditions apply for preceding case as well (for upper and lowercase "q")
clrscr(); //executes function
gotoxy(2,2); //returns command line to 2,2 location
printf("Exiting...Bye!\n");
quit = 'y'; //cause exit of while loop
break;
default:
clrscr(); //executes function
gotoxy(1,1); //takes command line to location 1,1
printf("Q,A: Adjust the current temperature select, W,S adjust our limit, E,D adjust lower limit \n");
break;
}//eo of switch
}//eo kbhit()
}// eo while loop
return 0;
}
該程序是否工作？你的問題是什麼？ – 2013-03-20 13:01:56
@DrewDormann「我做了他們推薦的改變，但是當我按r或f時，溫度不會升高。」 – Hydronium 2013-03-20 13:04:00