I have a web page which allows a user to enter a number between 0 and 999999999999999. The entered value is then received by the microcontroller as an ascii string. So, I have an ascii sting of varying length and I want to convert it to unsigned long integers, such that the lowest 5 decimal places a…

Well example code: void print1(char s[]){ byte l,i; unsigned long l1,l2,l3,place; i=0; l=0; while (s[l] != 0){ l++; } place=1; l1 = 0; //unsigned long t =0; Serial.println(); Serial.print("s: "); Serial.println(s); for (i=0;(i<5 && i<l); i++){ l1 += (s[(l-1)-i] - 48)* pl…

Converting a 15-character all-numeric string from ASCII to 2-3 unsigned longs

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Perehama October 11, 2021, 6:15pm 12

Yes, it's buffered into a char array from the web page submission.

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Converting a 15-character all-numeric string from ASCII to 2-3 unsigned longs

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