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Fix bug in Ticker code 

The bug was introduced by the interrupt chaining code.
pull/39/head
Bogdan Marinescu 2013-08-16 15:55:24 +03:00
parent 10c7a71c92
commit 15ed7ea66a
1 changed files with 2 additions and 0 deletions
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2
libraries/mbed/api/Ticker.h
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@ -142,6 +142,7 @@ public:
* The function object created for 'fptr' * The function object created for 'fptr'
*/ */
pFunctionPointer_t attach_us(void (*fptr)(void), unsigned int t) { pFunctionPointer_t attach_us(void (*fptr)(void), unsigned int t) {
_chain.clear();
pFunctionPointer_t pf = _chain.add(fptr); pFunctionPointer_t pf = _chain.add(fptr);
setup(t); setup(t);
return pf; return pf;
@ -158,6 +159,7 @@ public:
*/ */
template<typename T> template<typename T>
pFunctionPointer_t attach_us(T* tptr, void (T::*mptr)(void), unsigned int t) { pFunctionPointer_t attach_us(T* tptr, void (T::*mptr)(void), unsigned int t) {
_chain.clear();
pFunctionPointer_t pf = _chain.add(tptr, mptr); pFunctionPointer_t pf = _chain.add(tptr, mptr);
setup(t); setup(t);
return pf; return pf;