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microbit: some work on tightening the API return codes.

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still work in progress.
This commit is contained in:
Joe Finney 2015-10-21 11:35:59 +01:00
parent 7fb3fc02c4
commit bfe1b4db53
2 changed files with 5 additions and 5 deletions
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4
source/ManagedString.cpp
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@ -117,11 +117,11 @@ ManagedString::ManagedString(const ManagedString &s1, const ManagedString &s2)
* character buffer may be declared on the stack for instance).
*
* @param str The character array on which to base the new ManagedString.
* @param length The length of the character array
* @param length The number of characters to use.
*
* Example:
* @code
* ManagedString s("abcdefg",7); // this is generally used for substring... why not use a normal char * constructor?
* ManagedString s("abcdefg",7);
* @endcode
*/
ManagedString::ManagedString(const char *str, const int16_t length)

6
source/MicroBit.cpp
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@ -261,11 +261,11 @@ void MicroBit::reset()
* uBit.sleep(20); //sleep for 20ms
* @endcode
*/
void MicroBit::sleep(int milliseconds)
int MicroBit::sleep(int milliseconds)
{
//sanity check, we can't time travel... (yet?)
if(milliseconds < 0)
return;
return MICROBIT_INVALID_PARAMETER;
if (flags & MICROBIT_FLAG_SCHEDULER_RUNNING)
fiber_sleep(milliseconds);
@ -296,7 +296,7 @@ int MicroBit::random(int max)
{
//return MICROBIT_INVALID_VALUE if max is <= 0...
if(max <= 0)
return MICROBIT_INVALID_VALUE;
return MICROBIT_INVALID_PARAMETER;
// Cycle the LFSR (Linear Feedback Shift Register).
// We use an optimal sequence with a period of 2^32-1, as defined by Bruce Schneider here (a true legend in the field!),