Hiroshi Yamaguchi / Mbed 2 deprecated SCP1000Example

SCP1000 Logger example

Dependencies:   SCP1000 mbed

main.cpp@0:08e60fccbe4a, 2011-11-18 (annotated)

Committer:
yamaguch
Date:
Fri Nov 18 02:16:46 2011 +0000
Revision:
0:08e60fccbe4a

        

        
Who changed what in which revision?

        

            
                
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#include "mbed.h"





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#include "SCP1000.h"





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DigitalIn sw(p9);





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DigitalOut leds[4] = {LED1, LED2, LED3, LED4};





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SCP1000 scp1000(p5, p6, p7, p8);





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LocalFileSystem local("local");





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void printMeasurements(char *title, int n);





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int main() {





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    char buf[32];





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    for (int i = 0; !sw; i = (i + 1) % 8) {





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        leds[i < 4 ? i : 7 - i] = 1;





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        wait(0.05);





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        leds[i < 4 ? i : 7 - i] = 0;





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    }





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    FILE *fp = fopen("/local/scp1000.txt", "a");





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    if (fp == NULL) exit(-1);





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    time_t seconds = time(NULL);





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    strftime(buf, sizeof(buf), "%x %X", localtime(&seconds));





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    fprintf(fp, "Time: %s\n", buf);





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    fprintf(fp, "SCP1000 ASIC revision number = %d\n", scp1000.revision());





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    bool result = scp1000.performSelfTest();





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    fprintf(fp, "SCP1000 self test: %s\n", result ? "PASSED" : "FAILED");





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    fprintf(fp, "SCP1000 reset\n");





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    scp1000.reset();





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    fclose(fp);





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    scp1000.setOperationMode(SCP1000::HIGH_SPEED_MODE);





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    printMeasurements("SCP1000 High Speed Mode - 9Hz", 3600 * 9);





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    scp1000.setOperationMode(SCP1000::HIGH_RESOLUTION_MODE);





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    printMeasurements("SCP1000 High Resolution Mode - 1.8Hz",  3600 * 9 / 5);





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    scp1000.setOperationMode(SCP1000::ULTRA_LOW_POWER_MODE);





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    printMeasurements("SCP1000 Ultra Low Power Mode - 1Hz", 3600 * 10);





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}





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void printMeasurements(char *title, int n) {





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    FILE *fp = fopen("/local/scp1000.txt", "a");





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    fprintf(fp, "%s\n", title);





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    for (int i = 0; !sw && i < n; i++) {





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        while (!scp1000.isReady())





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            ;





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        time_t seconds = time(NULL);





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        char buf[16];





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        strftime(buf, sizeof(buf), "%X", localtime(&seconds));





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        fprintf(fp, "%s %3.2f, %3.3f\n", buf, scp1000.readTemperature(), scp1000.readPressure());





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        leds[i % 4] = (i % 8) < 4;





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        if (i % 100 == 99) {





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            fclose(fp);





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            fp = fopen("/local/scp1000.txt", "a");





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        }





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    }





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    fclose(fp);





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    wait(1.0);





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}