/*
* ======== WiFiCC3100_close ========
*/
void WiFiCC3100_close(WiFi_Handle handle)
{
unsigned int key;
WiFiCC3100_Object *object = handle->object;
WiFiCC3100_HWAttrs const *hwAttrs = handle->hwAttrs;
#if defined(MSP430WARE) || defined(MSP432WARE)
MAP_GPIO_disableInterrupt(hwAttrs->irqPort, hwAttrs->irqPin);
#else
GPIOIntDisable(hwAttrs->irqPort, hwAttrs->irqPin);
#endif
#if !defined(MSP430WARE)
Hwi_destruct(&(object->wifiHwi));
#endif
Semaphore_destruct(&(object->readSemaphore));
Semaphore_destruct(&(object->writeSemaphore));
Log_print0(Diags_USER1, "WiFi Object closed.");
key = Hwi_disable();
object->spiState = WiFiCC3100_SPI_UNINITIALIZED;
object->isOpen = false;
Hwi_restore(key);
}
/*
* ======== GateMutex_Instance_finalize ========
*/
Void GateMutex_Instance_finalize(GateMutex_Object *obj )
{
Semaphore_Handle sem;
sem = GateMutex_Instance_State_sem(obj);
Semaphore_destruct(Semaphore_struct(sem));
}
/*
* ======== Lck_Instance_finalize ========
*/
Void Lck_Instance_finalize(Lck_Object *obj )
{
Semaphore_Handle sem;
sem = Lck_Instance_State_sem(obj);
Semaphore_destruct(Semaphore_struct(sem));
}
/*!
* @brief Function to close a given CC26XX I2C peripheral specified by the
* I2C handle.
*
* After calling the close function, the I2C is disabled.
*
* @pre I2CCC26XX_open() has to be called first.
* Calling context: Task
*
* @param handle An I2C_Handle returned by I2C_open()
*
* @note The generic I2C API should be used when accessing the I2CCC26XX.
*
* @sa I2CCC26XX_open(), I2C_close(), I2C_open()
*/
void I2CCC26XX_close(I2C_Handle handle)
{
unsigned int key;
I2CCC26XX_Object *object;
I2CCC26XX_HWAttrs const *hwAttrs;
/* Get the pointer to the object and hwAttrs */
hwAttrs = handle->hwAttrs;
object = handle->object;
/* Check to see if a I2C transaction is in progress */
Assert_isTrue(object->headPtr == NULL, NULL);
/* Deallocate pins */
PIN_close(hPin);
/* Mask I2C interrupts */
I2CMasterIntDisable(hwAttrs->baseAddr);
/* Disable the I2C Master */
I2CMasterDisable(hwAttrs->baseAddr);
/* Release power constraint*/
threadSafeStdbyDisRelease();
/* Power off the I2C module */
Power_releaseDependency(hwAttrs->powerMngrId);
Hwi_destruct(&(object->hwi));
Semaphore_destruct(&(object->mutex));
if (object->transferMode == I2C_MODE_BLOCKING) {
Semaphore_destruct(&(object->transferComplete));
}
/* Unregister power post notification object */
Power_unregisterNotify(&object->i2cPostObj);
/* Mark the module as available */
key = Hwi_disable();
object->isOpen = false;
Hwi_restore(key);
Log_print1(Diags_USER1, "I2C: Object closed 0x%x", hwAttrs->baseAddr);
return;
}
/*
* ======== SemProcessSupport_Instance_finalize ========
*/
Void SemProcessSupport_Instance_finalize(SemProcessSupport_Handle sem)
{
Semaphore_Handle bios6sem;
bios6sem = SemProcessSupport_Instance_State_sem(sem);
Semaphore_destruct(
Semaphore_struct(bios6sem));
}
/*
* ======== pthread_exit ========
*/
void pthread_exit(void *retval)
{
pthread_Obj *thread = (pthread_Obj *)pthread_self();
/*
* This function terminates the calling thread and returns
* a value via retval that (if the thread is joinable) is available to
* another thread that calls pthread_join().
*
* Any clean-up handlers that have not yet been popped, are popped
* (in the reverse of the order in which they were pushed) and executed.
*/
thread->ret = retval;
/*
* Don't bother disabling the Task scheduler while the thread
* is exiting. It will be up to the application to not make
* such calls as pthread_cancel() or pthread_detach() while the
* thread is exiting.
*/
/* Pop and execute the cleanup handlers */
while (thread->cleanupList != NULL) {
_pthread_cleanup_pop(thread->cleanupList, 1);
}
/* Cleanup any pthread specific data */
_pthread_removeThreadKeys((pthread_t)thread);
if (!thread->detached) {
Semaphore_post(Semaphore_handle(&(thread->joinSem)));
/* Set this task's priority to -1 to stop it from running. */
Task_setPri(thread->task, -1);
}
else {
/* Free memory */
#if ti_sysbios_posix_Settings_supportsMutexPriority__D
Queue_destruct(&(thread->mutexList));
#endif
Semaphore_destruct(&(thread->joinSem));
Memory_free(Task_Object_heap(), thread, sizeof(pthread_Obj));
/*
* Don't call Task_delete on the calling thread. Task_exit()
* will put the task on the terminated queue, and if
* Task_deleteTerminatedTasks is TRUE, the task will be cleaned
* up automatically.
*/
Task_exit();
}
}
/*
* ======== pthread_cancel ========
* The specification of this API is that it be used as a means for one thread
* to termintate the execution of another thread. There is no mention of
* returning an error if the argument, pthread, is the same thread as the
* calling thread.
*/
int pthread_cancel(pthread_t pthread)
{
pthread_Obj *thread = (pthread_Obj *)pthread;
UInt key;
/*
* Cancel the thread. Only asynchronous cancellation is supported,
* since functions that would normally be cancellation points (eg,
* printf()), are not cancellation points for BIOS.
*/
key = Task_disable();
/* Indicate that cancellation is requested. */
thread->cancelPending = 1;
if (thread->cancelState == PTHREAD_CANCEL_ENABLE) {
/* Set this task's priority to -1 to stop it from running. */
Task_setPri(thread->task, -1);
Task_restore(key);
/* Pop and execute the cleanup handlers */
while (thread->cleanupList != NULL) {
_pthread_cleanup_pop(thread->cleanupList, 1);
}
/* Cleanup any pthread specific data */
_pthread_removeThreadKeys(pthread);
if (thread->detached) {
/* Free memory */
#if ti_sysbios_posix_Settings_supportsMutexPriority__D
Queue_destruct(&(thread->mutexList));
#endif
Semaphore_destruct(&(thread->joinSem));
Task_delete(&(thread->task));
Memory_free(Task_Object_heap(), thread, sizeof(pthread_Obj));
}
else {
/* pthread_join() will clean up. */
thread->ret = PTHREAD_CANCELED;
Semaphore_post(Semaphore_handle(&(thread->joinSem)));
}
}
else {
Task_restore(key);
}
return (0);
}
/*
* ======== _pthread_runStub ========
*/
static void _pthread_runStub(UArg arg0, UArg arg1)
{
UInt key;
Ptr arg;
pthread_Obj *thread = (pthread_Obj *)(xdc_uargToPtr(arg1));
arg = Task_getEnv(thread->task);
thread->ret = thread->fxn(arg);
/* Pop and execute the cleanup handlers */
while (thread->cleanupList != NULL) {
_pthread_cleanup_pop(thread->cleanupList, 1);
}
/* Cleanup any pthread specific data */
_pthread_removeThreadKeys((pthread_t)thread);
key = Task_disable();
if (!thread->detached) {
Semaphore_post(Semaphore_handle(&(thread->joinSem)));
/*
* Set this task's priority to -1 to prevent it from being put
* on the terminated queue (and deleted if Task.deleteTerminatedTasks
* is true). pthread_join() will delete the Task object.
*/
Task_setPri(thread->task, -1);
Task_restore(key);
}
else {
Task_restore(key);
/* Free memory */
#if ti_sysbios_posix_Settings_supportsMutexPriority__D
Queue_destruct(&(thread->mutexList));
#endif
Semaphore_destruct(&(thread->joinSem));
Memory_free(Task_Object_heap(), thread, sizeof(pthread_Obj));
/* The system will have to clean up the Task object */
}
/* Task_exit() is called when returning from this function */
}
/*
* ======== pthread_join ========
* Wait for thread to terminate.
*
* If multiple threads simultaneously try to join with the same
* thread, the results are undefined. We will return an error.
*
* If the thread calling pthread_join() is canceled, then the target
* thread will remain joinable (i.e., it will not be detached).
*/
int pthread_join(pthread_t pthread, void **thread_return)
{
pthread_Obj *thread = (pthread_Obj *)pthread;
UInt key;
key = Task_disable();
if ((thread->joinThread != NULL) || (thread->detached != 0)) {
/*
* Error - Another thread has already called pthread_join()
* for this thread, or the thread is in the detached state.
*/
Task_restore(key);
return (EINVAL);
}
if (pthread == pthread_self()) {
Task_restore(key);
return (EDEADLK);
}
/*
* Allow pthread_join() to be called from a BIOS Task. If we
* set joinThread to pthread_self(), we could get NULL if the
* Task arg1 is 0. All we need is a non-NULL value for joinThread.
*/
thread->joinThread = Task_self();
Task_restore(key);
Semaphore_pend(Semaphore_handle(&(thread->joinSem)), BIOS_WAIT_FOREVER);
if (thread_return) {
*thread_return = thread->ret;
}
#if ti_sysbios_posix_Settings_supportsMutexPriority__D
Queue_destruct(&(thread->mutexList));
#endif
Semaphore_destruct(&(thread->joinSem));
Task_delete(&(thread->task));
Memory_free(Task_Object_heap(), thread, sizeof(pthread_Obj));
return (0);
}
/*
* ======== USBMSCHFatFsTiva_close ========
*/
void USBMSCHFatFsTiva_close(USBMSCHFatFs_Handle handle)
{
unsigned int key;
DRESULT dresult;
FRESULT fresult;
USBMSCHFatFsTiva_Object *object = handle->object;
/* Unmount the FatFs drive */
fresult = f_mount(object->driveNumber, NULL);
if (fresult != FR_OK) {
Log_print0(Diags_USER1, "USBMSCHFatFs: could not unmount FatFs volume");
}
/* Close USB Drive */
USBHMSCDriveClose(object->MSCInstance);
/* Unregister the disk_*() functions */
dresult = disk_unregister(object->driveNumber);
if (dresult != RES_OK) {
Log_print0(Diags_USER1, "USBMSCHFatFs: error unregistering disk "
"functions");
}
/* Delete the HCDMain service task*/
Task_destruct(&(object->taskHCDMain));
/* Delete the semaphore */
Semaphore_destruct(&(object->semUSBConnected));
/* Delete the gate */
GateMutex_destruct(&(object->gateUSBLibAccess));
/* Delete the gate */
GateMutex_destruct(&(object->gateUSBWait));
/* Delete the hwi */
Hwi_destruct(&(object->hwi));
Log_print1(Diags_USER1, "USBMSCHFatFs: drive %d closed",
object->driveNumber);
key = Hwi_disable();
object->driveNumber = DRIVE_NOT_MOUNTED;
Hwi_restore(key);
}
/*!
* @brief Function to close a given CC26XX SPI peripheral specified by the
* SPI handle.
*
* Will disable the SPI, disable all SPI interrupts and release the
* dependency on the corresponding power domain.
*
* @pre SPICC26XXDMA_open() has to be called first.
* Calling context: Task
*
* @param handle A SPI_Handle returned from SPI_open()
*
* @sa SPICC26XXDMA_open
*/
void SPICC26XXDMA_close(SPI_Handle handle)
{
unsigned int key;
SPICC26XX_Object *object;
SPICC26XX_HWAttrs const *hwAttrs;
/* Get the pointer to the object and hwAttrs */
hwAttrs = handle->hwAttrs;
object = handle->object;
/* Release the uDMA dependency and potentially power down uDMA. */
UDMACC26XX_close(object->udmaHandle);
/* Deallocate pins */
PIN_close(object->pinHandle);
/* Disable the SPI */
SSIDisable(hwAttrs->baseAddr);
/* Destroy the Hwi */
Hwi_destruct(&(object->hwi));
/* Release power dependency on SPI. */
Power_releaseDependency(hwAttrs->powerMngrId);
if (object->transferMode == SPI_MODE_BLOCKING) {
Semaphore_destruct(&(object->transferComplete));
}
/* Unregister power notification objects */
#ifdef SPICC26XXDMA_WAKEUP_ENABLED
Power_unregisterNotify(&object->spiPreObj);
#endif
Power_unregisterNotify(&object->spiPostObj);
/* Mark the module as available */
key = Hwi_disable();
object->isOpen = false;
Hwi_restore(key);
Log_print1(Diags_USER1, "SPI:(%p) closed", hwAttrs->baseAddr);
}
Int SystemCfg_delete(SystemCfg_Object **objPtr)
{
Int bufSize;
List_Elem * elem = NULL;
SystemCfg_Object * obj;
IArg key;
Log_print0(Diags_ENTRY, "--> "FXNN": ()");
/* remove object from module list */
key = GateH_enter(Mod_gate);
while ((elem = List_next(Mod_objList, elem)) != NULL) {
obj = (SystemCfg_Object *)elem;
if (obj == *objPtr) {
List_remove(Mod_objList, elem);
break;
}
}
GateH_leave(Mod_gate, key);
/* delete sync object */
if ((*objPtr)->semH != NULL) {
Semaphore_destruct(&(*objPtr)->semObj);
(*objPtr)->semH = NULL;
}
/* free the name buffer */
bufSize = strlen((*objPtr)->remoteProcName) + 1;
xdc_runtime_Memory_free(NULL, (Ptr)((*objPtr)->remoteProcName), bufSize);
/* free the object memory */
xdc_runtime_Memory_free(NULL, (Ptr)(*objPtr), sizeof(SystemCfg_Object));
*objPtr = NULL;
Log_print1(Diags_EXIT, "<-- "FXNN": %d", (IArg)SystemCfg_S_SUCCESS);
return(SystemCfg_S_SUCCESS);
}
/*
* ======== ThreadSupport_Instance_finalize ========
*/
Void ThreadSupport_Instance_finalize(ThreadSupport_Handle obj, Int status)
{
ti_sysbios_knl_Semaphore_Handle bios6sem;
bios6sem = ThreadSupport_Instance_State_join_sem(obj);
/* status is equal to the return code from Instance_init */
switch (status) {
case 0:
Task_delete(&(obj->task));
/* OK to fall through */
case ThreadSupport_TASK_FAILURE:
Semaphore_destruct(Semaphore_struct(bios6sem));
/* OK to fall through */
case ThreadSupport_PRI_FAILURE:
default:
break;
}
}
/*
* ======== pthread_create ========
*/
int pthread_create(pthread_t *newthread, const pthread_attr_t *attr,
void *(*startroutine)(void *), void *arg)
{
Semaphore_Params semParams;
Task_Params taskParams;
pthread_Obj *thread = NULL;
Error_Block eb;
pthread_attr_t *pAttr;
Error_init(&eb);
Task_Params_init(&taskParams);
*newthread = NULL;
thread = (pthread_Obj *)Memory_alloc(Task_Object_heap(),
sizeof(pthread_Obj), 0, &eb);
if (thread == NULL) {
return (ENOMEM);
}
pAttr = (attr == NULL) ? &defaultPthreadAttrs : (pthread_attr_t *)attr;
taskParams.priority = pAttr->priority;
taskParams.stack = pAttr->stack;
taskParams.stackSize = pAttr->stacksize + pAttr->guardsize;
/* Save the function in arg0 for ROV */
taskParams.arg0 = (UArg)startroutine;
taskParams.arg1 = (UArg)thread;
taskParams.env = arg;
taskParams.priority = -1;
thread->detached = (pAttr->detachstate == PTHREAD_CREATE_JOINABLE) ? 0 : 1;
thread->fxn = startroutine;
thread->joinThread = NULL;
thread->cancelState = PTHREAD_CANCEL_ENABLE;
thread->cancelPending = 0;
thread->priority = pAttr->priority;
thread->cleanupList = NULL;
#if ti_sysbios_posix_Settings_supportsMutexPriority__D
thread->blockedMutex = NULL;
Queue_elemClear((Queue_Elem *)thread);
Queue_construct(&(thread->mutexList), NULL);
#endif
Semaphore_Params_init(&semParams);
semParams.mode = Semaphore_Mode_BINARY;
Semaphore_construct(&(thread->joinSem), 0, &semParams);
thread->task = Task_create((Task_FuncPtr)_pthread_runStub,
&taskParams, &eb);
if (thread->task == NULL) {
Semaphore_destruct(&(thread->joinSem));
#if ti_sysbios_posix_Settings_supportsMutexPriority__D
Queue_destruct(&(thread->mutexList));
#endif
Memory_free(Task_Object_heap(), thread, sizeof(pthread_Obj));
return (ENOMEM);
}
*newthread = (pthread_t)thread;
Task_setPri(thread->task, pAttr->priority);
return (0);
}
/*
* ======== Server_finish ========
*
* 1. close remote resources
* 2. handshake close event
* 3. delete shared resoures
* 4. send disconnect event (last event sent)
* 5. wait for disconnect event
* 6. unregister notify callback
* 9. delete semaphore object
*/
Int Server_finish(Void)
{
Int status;
UInt32 event;
/*
* 1. close remote resources
*/
/* delete the RcmServer instance */
status = RcmServer_delete(&Module.rcmServerH);
if (status < 0) {
Log_error1("Server_finish: RcmServer_delete() returned error %d",
(IArg)status);
goto leave;
}
/* unregister rcm heap with MessageQ */
status = MessageQ_unregisterHeap(Global_RcmClientHeapId);
if (status < 0) {
goto leave;
}
/* close the rcm heap */
status = HeapBufMP_close(&Module.heapH);
if (status < 0) {
Log_error1("Server_finish: HeapBufMP_close() returned error %d",
(IArg)status);
goto leave;
}
/*
* 2. handshake close event
*/
status = Notify_sendEvent(Module.hostProcId, Module.lineId,
Module.eventId, App_CMD_CLOSED, TRUE);
if (status < 0) {
goto leave;
}
do {
event = Server_waitForEvent();
if (event >= App_E_FAILURE) {
status = -1;
goto leave;
}
} while (event != App_CMD_CLOSED);
/*
* 3. delete shared resoures
*/
/*
* 4. send disconnect event (last event sent)
*/
status = Notify_sendEvent(Module.hostProcId, Module.lineId,
Module.eventId, App_CMD_DONE, TRUE);
if (status < 0) {
goto leave;
}
/*
* 5. wait for disconnect event (last event received)
*/
do {
event = Server_waitForEvent();
if (event >= App_E_FAILURE) {
status = -1;
goto leave;
}
} while (event != App_CMD_DONE);
/*
* 6. unregister notify callback
*/
status = Notify_unregisterEventSingle(Module.hostProcId, Module.lineId,
Module.eventId);
if (status < 0) {
goto leave;
}
/*
* 9. delete semaphore object
*/
Semaphore_destruct(&Module.semS);
Module.semH = NULL;
leave:
return(status);
}
