Diff: mbed-src/common/InterruptManager.cpp

Revision:

1:9d3b497333c0

Parent:

0:638edba3adf6

--- a/mbed-src/common/InterruptManager.cpp	Mon Jan 11 02:32:24 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,93 +0,0 @@
-#include "cmsis.h"
-#if defined(NVIC_NUM_VECTORS)
-
-#include "InterruptManager.h"
-#include <string.h>
-
-#define CHAIN_INITIAL_SIZE    4
-
-namespace mbed {
-
-typedef void (*pvoidf)(void);
-
-InterruptManager* InterruptManager::_instance = (InterruptManager*)NULL;
-
-InterruptManager* InterruptManager::get() {
-    if (NULL == _instance)
-        _instance = new InterruptManager();
-    return _instance;
-}
-
-InterruptManager::InterruptManager() {
-    memset(_chains, 0, NVIC_NUM_VECTORS * sizeof(CallChain*));
-}
-
-void InterruptManager::destroy() {
-    // Not a good idea to call this unless NO interrupt at all
-    // is under the control of the handler; otherwise, a system crash
-    // is very likely to occur
-    if (NULL != _instance) {
-        delete _instance;
-        _instance = (InterruptManager*)NULL;
-    }
-}
-
-InterruptManager::~InterruptManager() {
-    for(int i = 0; i < NVIC_NUM_VECTORS; i++)
-        if (NULL != _chains[i])
-            delete _chains[i];
-}
-
-bool InterruptManager::must_replace_vector(IRQn_Type irq) {
-    int irq_pos = get_irq_index(irq);
-
-    if (NULL == _chains[irq_pos]) {
-        _chains[irq_pos] = new CallChain(CHAIN_INITIAL_SIZE);
-        _chains[irq_pos]->add((pvoidf)NVIC_GetVector(irq));
-        return true;
-    }
-    return false;
-}
-
-pFunctionPointer_t InterruptManager::add_common(void (*function)(void), IRQn_Type irq, bool front) {
-    int irq_pos = get_irq_index(irq);
-    bool change = must_replace_vector(irq);
-
-    pFunctionPointer_t pf = front ? _chains[irq_pos]->add_front(function) : _chains[irq_pos]->add(function);
-    if (change)
-        NVIC_SetVector(irq, (uint32_t)&InterruptManager::static_irq_helper);
-    return pf;
-}
-
-bool InterruptManager::remove_handler(pFunctionPointer_t handler, IRQn_Type irq) {
-    int irq_pos = get_irq_index(irq);
-
-    if (NULL == _chains[irq_pos])
-        return false;
-    if (!_chains[irq_pos]->remove(handler))
-        return false;
-    // If there's a single function left in the chain, swith the interrupt vector
-    // to call that function directly. This way we save both time and space.
-    if (_chains[irq_pos]->size() == 1 && NULL != _chains[irq_pos]->get(0)->get_function()) {
-        NVIC_SetVector(irq, (uint32_t)_chains[irq_pos]->get(0)->get_function());
-        delete _chains[irq_pos];
-        _chains[irq_pos] = (CallChain*) NULL;
-    }
-    return true;
-}
-
-void InterruptManager::irq_helper() {
-    _chains[__get_IPSR()]->call();
-}
-
-int InterruptManager::get_irq_index(IRQn_Type irq) {
-    return (int)irq + NVIC_USER_IRQ_OFFSET;
-}
-
-void InterruptManager::static_irq_helper() {
-    InterruptManager::get()->irq_helper();
-}
-
-} // namespace mbed
-
-#endif