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Use modulo operator in Print::printNumber 

Port of @tico-tico’s change in
https://github.com/tico-tico/Arduino/commit/a7454b6b5c59187b95c4224aad87
bb01faa06e85 to SAM core.
This commit is contained in:
Sandeep Mistry 2016-03-03 12:00:54 -05:00
parent 84f16283bb
commit b7f279610b
1 changed files with 4 additions and 3 deletions
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7
hardware/arduino/sam/cores/arduino/Print.cpp
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@ -192,7 +192,8 @@ size_t Print::println(const Printable& x)
// Private Methods /////////////////////////////////////////////////////////////
size_t Print::printNumber(unsigned long n, uint8_t base) {
size_t Print::printNumber(unsigned long n, uint8_t base)
{
char buf[8 * sizeof(long) + 1]; // Assumes 8-bit chars plus zero byte.
char *str = &buf[sizeof(buf) - 1];
@ -202,9 +203,9 @@ size_t Print::printNumber(unsigned long n, uint8_t base) {
if (base < 2) base = 10;
do {
unsigned long m = n;
char c = n % base;
n /= base;
char c = m - base * n;
*--str = c < 10 ? c + '0' : c + 'A' - 10;
} while(n);