source: svn/newcon3bcm2_21bu/magnum/syslib/astmlib/7552/bastmlib_presenter.c @ 76

Last change on this file since 76 was 76, checked in by megakiss, 10 years ago

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1/***************************************************************************
2*     Copyright (c) 2004-2010, Broadcom Corporation
3*     All Rights Reserved
4*     Confidential Property of Broadcom Corporation
5*
6*  THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
7*  AGREEMENT  BETWEEN THE USER AND BROADCOM.  YOU HAVE NO RIGHT TO USE OR
8*  EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
9*
10* $brcm_Workfile: bastmlib_presenter.c $
11* $brcm_Revision: Hydra_Software_Devel/10 $
12* $brcm_Date: 7/14/10 7:44p $
13*
14* Revision History:
15*
16* $brcm_Log: /magnum/syslib/astmlib/noarch/bastmlib_presenter.c $
17*
18* Hydra_Software_Devel/10   7/14/10 7:44p bandrews
19* SW3548-1161: expose default configs as public
20*
21* Hydra_Software_Devel/9   7/17/09 6:56p bandrews
22* PR49215: playback support
23*
24* Hydra_Software_Devel/8   6/5/09 5:32p bandrews
25* PR52503: Move singleton counter/idgen to astmlib struct
26*
27* Hydra_Software_Devel/7   11/24/08 5:56p katrep
28* PR49568: Compiler warning
29*
30* Hydra_Software_Devel/6   11/21/08 8:35p bandrews
31* PR49568: Fix presenter naming capability
32*
33* Hydra_Software_Devel/5   11/20/08 6:16p bandrews
34* PR49489: Add debug messages; ensure no events are recorded if stopped;
35* clear event queue on start; only schedule settling timers if started
36*
37* Hydra_Software_Devel/4   8/14/08 5:18p bandrews
38* PR40090: Fixed warnings
39*
40* Hydra_Software_Devel/3   4/9/08 2:30p bandrews
41* PR41523: Removed
42*
43* Hydra_Software_Devel/2   3/27/08 5:48p bandrews
44* PR40090: Fixed display and storage of presenter names for debug
45*
46* Hydra_Software_Devel/1   3/24/08 3:08p bandrews
47* PR40865: Fixed
48*
49* Hydra_Software_Devel/2   2/15/08 10:00p bandrews
50* PR36148: Updated ASTM based on reviews
51*
52* Hydra_Software_Devel/1   1/25/08 9:22p bandrews
53* PR36148: Updated based on simulation
54***************************************************************************/
55
56#include "bstd.h"
57#include "bastmlib_priv.h"
58#include "bastmlib_presenter.h"
59#include "bastmlib_presenter_priv.h"
60
61BDBG_MODULE(astmlib);
62
63#define BASTMLIB_DEBUG_QUEUE 0
64
65#if BDBG_DEBUG_BUILD
66static int BASTMlib_P_Strlen(const char * s)
67{
68    int len = 0;
69    while (*s++) len++;
70    return len;
71}
72#endif
73
74void BASTMlib_Presenter_GetDefaultSettings(
75    BASTMlib_Presenter_Settings * psSettings /* [out] */
76)
77{
78    BDBG_ENTER(BASTMlib_Presenter_GetDefaultSettings);
79
80    BDBG_ASSERT(psSettings);
81
82    BKNI_Memset(psSettings, 0, sizeof(BASTMlib_Presenter_Settings));
83
84    BDBG_LEAVE(BASTMlib_Presenter_GetDefaultSettings);
85}
86
87void BASTMlib_Presenter_Create(BASTMlib_Handle hAstm, BASTMlib_Presenter_Handle * phPresenter, const BASTMlib_Presenter_Settings * psSettings)
88{
89    BASTMlib_Presenter_Handle hPresenter;
90
91    BDBG_ENTER(BASTMlib_Presenter_Create);
92
93    hPresenter = (BASTMlib_Presenter_Handle)BKNI_Malloc(sizeof(struct BASTMlib_Presenter_Impl));
94    BDBG_ASSERT(hPresenter);
95    BKNI_Memset(hPresenter, 0, sizeof(struct BASTMlib_Presenter_Impl));
96    hPresenter->uiId = hAstm->uiPresentersCreated++;
97
98    BASTMlib_Presenter_GetDefaultConfig(&hPresenter->sConfig);
99
100    BASTMlib_Presenter_SetSettings(hPresenter, psSettings);
101
102    if (hPresenter->pcName)
103    {
104        BDBG_MSG(("Presenter %s initial configuration:", hPresenter->pcName));
105    }
106    else
107    {
108        BDBG_MSG(("Presenter %d initial configuration:", hPresenter->uiId));
109    }
110    BDBG_MSG(("  min time between events: %u ms", hPresenter->sConfig.uiMinimumTimeBetweenEvents));
111    BDBG_MSG(("  pass event count threshold: %u events", hPresenter->sConfig.uiPassEventCountThreshold));
112    BDBG_MSG(("  fail event count threshold: %u events", hPresenter->sConfig.uiFailEventCountThreshold));
113
114    *phPresenter = hPresenter;
115
116    BDBG_LEAVE(BASTMlib_Presenter_Create);
117}
118
119void BASTMlib_Presenter_GetSettings(
120    const BASTMlib_Presenter_Handle hPresenter,
121    BASTMlib_Presenter_Settings * psSettings /* out */
122)
123{
124    BDBG_ENTER(BASTMlib_Presenter_GetSettings);
125    BDBG_ASSERT(hPresenter);
126
127    if (psSettings)
128    {
129        *psSettings = hPresenter->sSettings;
130    }
131
132    BDBG_LEAVE(BASTMlib_Presenter_GetSettings);
133}
134
135void BASTMlib_Presenter_SetSettings(
136    BASTMlib_Presenter_Handle hPresenter,
137    const BASTMlib_Presenter_Settings * psSettings
138)
139{
140    BDBG_ENTER(BASTMlib_Presenter_SetSettings);
141    BDBG_ASSERT(hPresenter);
142   
143    if (psSettings)
144    {
145#if BDBG_DEBUG_BUILD
146        int len;
147#endif
148        hPresenter->sSettings = *psSettings;
149#if BDBG_DEBUG_BUILD
150        if (psSettings->pcName)
151        {
152            len = BASTMlib_P_Strlen(psSettings->pcName);
153            hPresenter->pcName = (char *)BKNI_Malloc(len + 1);
154            BKNI_Memset(hPresenter->pcName, 0, len + 1);
155            BKNI_Memcpy(hPresenter->pcName, psSettings->pcName, len);
156        }
157        else
158        {
159            if (hPresenter->pcName)
160            {
161                BKNI_Free(hPresenter->pcName);
162                hPresenter->pcName = NULL;
163            }
164        }
165#else
166        hPresenter->sSettings.pcName = NULL;
167#endif
168    }
169   
170    BDBG_LEAVE(BASTMlib_Presenter_SetSettings);
171}
172
173void BASTMlib_Presenter_Destroy(BASTMlib_Presenter_Handle hPresenter)
174{
175    BDBG_ENTER(BASTMlib_Presenter_Destroy);
176    BDBG_ASSERT(hPresenter);
177
178    if (hPresenter->sEventQueue.asEvents)
179    {
180        BKNI_Free(hPresenter->sEventQueue.asEvents);
181    }
182
183    if (hPresenter->pcName)
184    {
185        BKNI_Free(hPresenter->pcName);
186    }
187   
188    BKNI_Free(hPresenter);
189   
190    BDBG_LEAVE(BASTMlib_Presenter_Destroy);
191}
192
193void BASTMlib_Presenter_GetDefaultConfig(BASTMlib_Presenter_Config * psConfig)
194{
195    BDBG_ENTER(BASTMlib_Presenter_P_GetDefaultConfig);
196
197    BDBG_ASSERT(psConfig);
198
199    BKNI_Memset(psConfig, 0, sizeof(BASTMlib_Presenter_Config));
200    psConfig->uiPassEventCountThreshold = BASTMLIB_PRESENTER_P_DEFAULT_PASS_EVENT_COUNT_THRESHOLD;
201    psConfig->uiFailEventCountThreshold = BASTMLIB_PRESENTER_P_DEFAULT_FAIL_EVENT_COUNT_THRESHOLD;
202
203    BDBG_LEAVE(BASTMlib_Presenter_P_GetDefaultConfig);
204}
205
206void BASTMlib_Presenter_Reset_isr(
207    BASTMlib_Presenter_Handle hPresenter
208)
209{
210    BDBG_ENTER(BASTMlib_Presenter_Reset_isr);
211
212    BDBG_ASSERT(hPresenter);
213
214    hPresenter->uiPassEventCount = 0;
215    hPresenter->uiFailEventCount = 0;
216
217    hPresenter->sEventQueue.uiWrite = hPresenter->sEventQueue.uiCapacity / 2;
218    hPresenter->sEventQueue.uiRead = hPresenter->sEventQueue.uiWrite - 1;
219    hPresenter->sEventQueue.uiSize = 0;
220
221    BDBG_LEAVE(BASTMlib_Presenter_Reset_isr);
222}
223
224void BASTMlib_Presenter_GetConfig(
225    const BASTMlib_Presenter_Handle hPresenter, 
226    BASTMlib_Presenter_Config * psConfig
227)
228{
229    BDBG_ENTER(BASTMlib_Presenter_GetConfig);
230
231    BDBG_ASSERT(hPresenter);
232    BDBG_ASSERT(psConfig);
233
234    *psConfig = hPresenter->sConfig;
235   
236    BDBG_LEAVE(BASTMlib_Presenter_GetConfig);
237}
238
239void BASTMlib_Presenter_SetConfig(
240    BASTMlib_Presenter_Handle hPresenter, 
241    const BASTMlib_Presenter_Config * psConfig
242)
243{
244    BDBG_ENTER(BASTMlib_Presenter_SetConfig);
245
246    BDBG_ASSERT(hPresenter);
247    BDBG_ASSERT(psConfig);
248
249    hPresenter->sConfig = *psConfig;
250
251    if (hPresenter->pcName)
252    {
253        BDBG_MSG(("Presenter %s reconfigured:", hPresenter->pcName));
254    }
255    else
256    {
257        BDBG_MSG(("Presenter %d reconfigured:", hPresenter->uiId));
258    }
259    BDBG_MSG(("  min time between events: %u ms", hPresenter->sConfig.uiMinimumTimeBetweenEvents));
260    BDBG_MSG(("  pass event count threshold: %u events", hPresenter->sConfig.uiPassEventCountThreshold));
261    BDBG_MSG(("  fail event count threshold: %u events", hPresenter->sConfig.uiFailEventCountThreshold));
262
263        /* PR:50140 check for assignment before using hAstm */
264    /* don't resize if already started, wait till next restart, or resize if unassigned */
265        if ((hPresenter->hAstm && !hPresenter->hAstm->bStarted) || !hPresenter->hAstm)
266        {
267        BASTMlib_Presenter_ResizeEventQueue(hPresenter);
268        }
269
270    BDBG_LEAVE(BASTMlib_Presenter_SetConfig);
271}
272
273void BASTMlib_Presenter_EventHandler_isr(
274    BASTMlib_Presenter_Handle hPresenter,
275    const BASTMlib_Presenter_Event * psEvent
276)
277{
278    BSYSlib_List_IteratorHandle hIterator = NULL;
279    bool bFound = false;
280    BASTMlib_Handle hAstm = NULL;
281
282    BDBG_ENTER(BASTMlib_Presenter_EventHandler_isr);
283
284    BDBG_ASSERT(hPresenter);
285    BDBG_ASSERT(psEvent);
286
287    hAstm = hPresenter->hAstm;
288
289    if (hAstm)
290    {
291        if (hAstm->bStarted)
292        {
293            hIterator = BSYSlib_List_AcquireIterator_isr(hAstm->sPresentation.hPresenters);
294            while (BSYSlib_List_HasNext_isr(hIterator))
295            {
296                BASTMlib_Presenter_Handle hTemp = NULL;
297                hTemp = (BASTMlib_Presenter_Handle)BSYSlib_List_Next_isr(hIterator);
298
299                if (hTemp == hPresenter)
300                {
301                    bFound = true;
302                    break;
303                }
304            }
305
306            BSYSlib_List_ReleaseIterator_isr(hIterator);
307
308            if (bFound)
309            {
310                if (hAstm->sPresentation.bAcquire)
311                {
312                    if (hPresenter->sEventQueue.uiSize < hPresenter->sEventQueue.uiCapacity)
313                    {
314#if BASTMLIB_DEBUG_QUEUE
315                        BDBG_MSG(("Adding event to presenter %p queue at %u", hPresenter, hPresenter->sEventQueue.uiWrite));
316#endif
317                        hPresenter->sEventQueue.asEvents[hPresenter->sEventQueue.uiWrite] = *psEvent;
318                        hPresenter->sEventQueue.uiWrite++;
319                        hPresenter->sEventQueue.uiWrite %= hPresenter->sEventQueue.uiCapacity;
320                        hPresenter->sEventQueue.uiSize++;
321                    }
322                    else
323                    {
324                        BDBG_MSG(("Presenter %p event queue full.  Discarding events.", hPresenter));
325                    }
326                }
327                else
328                {
329                    BDBG_MSG(("Presenter %p event received while not acquiring. Ignored", hPresenter));
330                }
331            }
332            else
333            {
334                BDBG_MSG(("Unmanaged presenter (%p) event received", hPresenter));
335            }
336        }
337        else
338        {
339            BDBG_MSG(("Presenter %p event received while stopped. Ignored", hPresenter));
340        }
341    }
342    else
343    {
344        BDBG_MSG(("Unmanaged presenter (%p) event received", hPresenter));
345    }
346
347    BDBG_LEAVE(BASTMlib_Presenter_EventHandler_isr);
348}
349
350void BASTMlib_Presenter_ResizeEventQueue(
351    BASTMlib_Presenter_Handle hPresenter
352)
353{
354    unsigned int uiMinimumTimeBetweenEvents;
355    unsigned int uiMaximumAcquisitionTime;
356    unsigned int uiCapacity;
357
358    BDBG_ASSERT(hPresenter);
359   
360    BDBG_ENTER(BASTMlib_Presenter_ResizeEventQueue);
361
362    uiMinimumTimeBetweenEvents = hPresenter->sConfig.uiMinimumTimeBetweenEvents;
363    uiMaximumAcquisitionTime = hPresenter->uiMaximumAcquisitionTime;
364
365    if (uiMinimumTimeBetweenEvents && uiMaximumAcquisitionTime)
366    {
367        uiCapacity = uiMaximumAcquisitionTime / uiMinimumTimeBetweenEvents + 1;
368        uiCapacity += uiCapacity / 10; /* 10% bigger than required */
369    }
370    else
371    {
372        uiCapacity = BASTMLIB_PRESENTER_P_DEFAULT_EVENT_QUEUE_CAPACITY;
373    }
374
375    if (hPresenter->sEventQueue.uiCapacity != uiCapacity)
376    {
377        if (hPresenter->sEventQueue.asEvents)
378        {
379            BKNI_Free(hPresenter->sEventQueue.asEvents);
380        }
381
382        hPresenter->sEventQueue.asEvents = (BASTMlib_Presenter_Event *)BKNI_Malloc(sizeof(BASTMlib_Presenter_Event) * uiCapacity);
383        BDBG_ASSERT(hPresenter->sEventQueue.asEvents);
384        BKNI_Memset(hPresenter->sEventQueue.asEvents, 0, sizeof(BASTMlib_Presenter_Event) * uiCapacity);
385
386        hPresenter->sEventQueue.uiCapacity = uiCapacity;
387
388        BKNI_EnterCriticalSection();
389        BASTMlib_Presenter_Reset_isr(hPresenter);
390        BKNI_LeaveCriticalSection();
391    }
392
393    BDBG_LEAVE(BASTMlib_Presenter_ResizeEventQueue);
394}
395
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