jyo tetsu

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10 years, 11 months ago.

i have a error in my compiler,but i dont know why,please teach me ,thank you

  1. include "mbed.h" DigitalOut myled(LED1); Serial pc(USBTX, USBRX); AnalogIn tempPin1(p15); AnalogIn tempPin2(p16); PwmOut pwm(p21);
  2. define start 500;
  3. define end 2200; float tempTotal1; float tempTotal2; uint32_t tempDiv1; uint32_t tempDiv2;
  4. define MAX_TEMP_AVG 10 void sampleTemperature(); void sampleTemperatures(); void resetTemperatureSamples(); float getAvgTemperature(); void sampleTemperature() { tempTotal1 += tempPin1; tempDiv1++; tempTotal2 += tempPin2; tempDiv2++; } void sampleTemperatures() { for(int i=0;i<MAX_TEMP_AVG;i++) { sampleTemperature(); wait(0.1); } } void resetTemperatureSamples() { tempTotal1 = 0.0; tempDiv1 = 0; tempTotal2 = 0.0; tempDiv2 = 0; } float getAvgTemperature1() { float tempAvg1 = (((tempTotal1)*3300/(float)tempDiv1)-400.0)/19.5; return tempAvg1; } float getAvgTemperature2() { float tempAvg2 = (((tempTotal2)*3300/(float)tempDiv2)-400.0)/19.5; return tempAvg2; }

int main() { tempDiv1 = 0; tempDiv2 = 0; pc.printf("MBED ready..\r\n"); sampleTemperatures(); pc.printf("Temp1: %.2f Temp2: %.2f \r\n",getAvgTemperature1(),getAvgTemperature2()); while(1){ sampleTemperature(); myled = 1; wait(0.5); myled = 0; wait(0.5); }

while(1) { float j = getAvgTemperature1()/getAvgTemperature2() ; if(j>0){ for(int p = start; p < end; p += 20) { pwm.pulsewidth_us(p); wait_ms(40); }} else{ for(int p = end; p >=start; p -= 20) { pwm.pulsewidth_us(p); wait_ms(40);

} } }

  1. include "mbed.h" DigitalOut myled(LED1); Serial pc(USBTX, USBRX); AnalogIn tempPin1(p15); AnalogIn tempPin2(p16); PwmOut pwm(p21);
  2. define start 500;
  3. define end 2200; float tempTotal1; float tempTotal2; uint32_t tempDiv1; uint32_t tempDiv2;
  4. define MAX_TEMP_AVG 10 void sampleTemperature(); void sampleTemperatures(); void resetTemperatureSamples(); float getAvgTemperature(); void sampleTemperature() { tempTotal1 += tempPin1; tempDiv1++; tempTotal2 += tempPin2; tempDiv2++; } void sampleTemperatures() { for(int i=0;i<MAX_TEMP_AVG;i++) { sampleTemperature(); wait(0.1); } } void resetTemperatureSamples() { tempTotal1 = 0.0; tempDiv1 = 0; tempTotal2 = 0.0; tempDiv2 = 0; } float getAvgTemperature1() { float tempAvg1 = (((tempTotal1)*3300/(float)tempDiv1)-400.0)/19.5; return tempAvg1; } float getAvgTemperature2() { float tempAvg2 = (((tempTotal2)*3300/(float)tempDiv2)-400.0)/19.5; return tempAvg2; }

int main() { tempDiv1 = 0; tempDiv2 = 0; pc.printf("MBED ready..\r\n"); sampleTemperatures(); pc.printf("Temp1: %.2f Temp2: %.2f \r\n",getAvgTemperature1(),getAvgTemperature2()); while(1){ sampleTemperature(); myled = 1; wait(0.5); myled = 0; wait(0.5); }

while(1) { float j = getAvgTemperature1()/getAvgTemperature2() ; if(j>0){ for(int p = start; p < end; p += 20) { pwm.pulsewidth_us(p); wait_ms(40); }} else{ for(int p = end; p >=start; p -= 20) { pwm.pulsewidth_us(p); wait_ms(40);

} } }

posted by jyo tetsu 29 Nov 2014

Please use "code" tag to show your program source list.
Please specify what kind of error you got.

posted by Yoshi Mimura 29 Nov 2014

1 Answer

Frank Vannieuwkerke
10 years, 11 months ago.

Remark: For improved readability, when you copy source code into a question, use the <<code>> ... <</code>> formatters.
Keep both formatters on separate lines and put your code between the two markers.

include "mbed.h"
DigitalOut myled(LED1);
Serial pc(USBTX, USBRX);
AnalogIn tempPin1(p15);
AnalogIn tempPin2(p16);
PwmOut pwm(p21);
define start 500;
define end 2200;
float tempTotal1;
float tempTotal2;
uint32_t tempDiv1;
uint32_t tempDiv2;
define MAX_TEMP_AVG 10
void sampleTemperature();
void sampleTemperatures();
void resetTemperatureSamples();
float getAvgTemperature();
void sampleTemperature()
{
    tempTotal1 += tempPin1;
    tempDiv1++;
    tempTotal2 += tempPin2;
    tempDiv2++;
}
void sampleTemperatures()
{
    for(int i=0; i<MAX_TEMP_AVG; i++) {
        sampleTemperature();
        wait(0.1);
    }
}
void resetTemperatureSamples()
{
    tempTotal1 = 0.0;
    tempDiv1 = 0;
    tempTotal2 = 0.0;
    tempDiv2 = 0;
}
float getAvgTemperature1()
{
    float tempAvg1 = (((tempTotal1)*3300/(float)tempDiv1)-400.0)/19.5;
    return tempAvg1;
}
float getAvgTemperature2()
{
    float tempAvg2 = (((tempTotal2)*3300/(float)tempDiv2)-400.0)/19.5;
    return tempAvg2;
}
int main()
{
    tempDiv1 = 0;
    tempDiv2 = 0;
    pc.printf("MBED ready..\r\n");
    sampleTemperatures();
    pc.printf("Temp1: %.2f Temp2: %.2f \r\n",getAvgTemperature1(),getAvgTemperature2());
    while(1) {
        sampleTemperature();
        myled = 1;
        wait(0.5);
        myled = 0;
        wait(0.5);
    }

    while(1) {
        float j = getAvgTemperature1()/getAvgTemperature2() ;
        if(j>0) {
            for(int p = start; p < end; p += 20) {
                pwm.pulsewidth_us(p);
                wait_ms(40);
            }
        } else {
            for(int p = end; p >=start; p -= 20) {
                pwm.pulsewidth_us(p);
                wait_ms(40);

            }
        }
    }


As for the errors:

  • Include and define need to start with a #
  • Don't end the values you define with a semicolon as this will be included when the macro is used in the code.
  • A closing brace } is missing at the end of the code.
  • Your main function has two while(1) loops, the second loop will never execute.

thank you very much

posted by jyo tetsu 29 Nov 2014

thank you for your anwser

posted by jyo tetsu 29 Nov 2014