table.c 11 KB

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  1. /*$file${.::table.c} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
  2. /*
  3. * Model: dpp.qm
  4. * File: ${.::table.c}
  5. *
  6. * This code has been generated by QM 5.2.4 <www.state-machine.com/qm>.
  7. * DO NOT EDIT THIS FILE MANUALLY. All your changes will be lost.
  8. *
  9. * SPDX-License-Identifier: GPL-3.0-or-later
  10. *
  11. * This generated code is open source software: you can redistribute it under
  12. * the terms of the GNU General Public License as published by the Free
  13. * Software Foundation.
  14. *
  15. * This code is distributed in the hope that it will be useful, but WITHOUT
  16. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  17. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  18. * more details.
  19. *
  20. * NOTE:
  21. * Alternatively, this generated code may be distributed under the terms
  22. * of Quantum Leaps commercial licenses, which expressly supersede the GNU
  23. * General Public License and are specifically designed for licensees
  24. * interested in retaining the proprietary status of their code.
  25. *
  26. * Contact information:
  27. * <www.state-machine.com/licensing>
  28. * <info@state-machine.com>
  29. */
  30. /*$endhead${.::table.c} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
  31. #include "qpc.h"
  32. #include "dpp.h"
  33. #include "bsp.h"
  34. Q_DEFINE_THIS_FILE
  35. /* Active object class -----------------------------------------------------*/
  36. /*$declare${AOs::Table} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
  37. /*${AOs::Table} ............................................................*/
  38. typedef struct {
  39. /* protected: */
  40. QActive super;
  41. /* private: */
  42. uint8_t fork[N_PHILO];
  43. uint8_t isHungry[N_PHILO];
  44. } Table;
  45. /* protected: */
  46. static QState Table_initial(Table * const me, void const * const par);
  47. static QState Table_active(Table * const me, QEvt const * const e);
  48. static QState Table_serving(Table * const me, QEvt const * const e);
  49. static QState Table_paused(Table * const me, QEvt const * const e);
  50. /*$enddecl${AOs::Table} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
  51. #define RIGHT(n_) ((uint8_t)(((n_) + (N_PHILO - 1U)) % N_PHILO))
  52. #define LEFT(n_) ((uint8_t)(((n_) + 1U) % N_PHILO))
  53. #define FREE ((uint8_t)0)
  54. #define USED ((uint8_t)1)
  55. /* Local objects -----------------------------------------------------------*/
  56. static Table l_table; /* the single instance of the Table active object */
  57. /* Global-scope objects ----------------------------------------------------*/
  58. QActive * const AO_Table = &l_table.super; /* "opaque" AO pointer */
  59. /*..........................................................................*/
  60. /*$skip${QP_VERSION} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
  61. /* Check for the minimum required QP version */
  62. #if (QP_VERSION < 700U) || (QP_VERSION != ((QP_RELEASE^4294967295U) % 0x3E8U))
  63. #error qpc version 7.0.0 or higher required
  64. #endif
  65. /*$endskip${QP_VERSION} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
  66. /*$define${AOs::Table_ctor} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
  67. /*${AOs::Table_ctor} .......................................................*/
  68. void Table_ctor(void) {
  69. uint8_t n;
  70. Table *me = &l_table;
  71. QActive_ctor(&me->super, Q_STATE_CAST(&Table_initial));
  72. for (n = 0U; n < N_PHILO; ++n) {
  73. me->fork[n] = FREE;
  74. me->isHungry[n] = 0U;
  75. }
  76. }
  77. /*$enddef${AOs::Table_ctor} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
  78. /*$define${AOs::Table} vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
  79. /*${AOs::Table} ............................................................*/
  80. /*${AOs::Table::SM} ........................................................*/
  81. static QState Table_initial(Table * const me, void const * const par) {
  82. /*${AOs::Table::SM::initial} */
  83. (void)par; /* unused parameter */
  84. QS_OBJ_DICTIONARY(&l_table);
  85. QS_SIG_DICTIONARY(DONE_SIG, (void *)0); /* global signals */
  86. QS_SIG_DICTIONARY(EAT_SIG, (void *)0);
  87. QS_SIG_DICTIONARY(PAUSE_SIG, (void *)0);
  88. QS_SIG_DICTIONARY(SERVE_SIG, (void *)0);
  89. QS_SIG_DICTIONARY(TERMINATE_SIG, (void *)0);
  90. QS_SIG_DICTIONARY(HUNGRY_SIG, me); /* signal just for Table */
  91. QActive_subscribe(&me->super, DONE_SIG);
  92. QActive_subscribe(&me->super, PAUSE_SIG);
  93. QActive_subscribe(&me->super, SERVE_SIG);
  94. QActive_subscribe(&me->super, TERMINATE_SIG);
  95. for (uint8_t n = 0U; n < N_PHILO; ++n) {
  96. me->fork[n] = FREE;
  97. me->isHungry[n] = 0U;
  98. BSP_displayPhilStat(n, "thinking");
  99. }
  100. return Q_TRAN(&Table_serving);
  101. }
  102. /*${AOs::Table::SM::active} ................................................*/
  103. static QState Table_active(Table * const me, QEvt const * const e) {
  104. QState status_;
  105. switch (e->sig) {
  106. /*${AOs::Table::SM::active::TERMINATE} */
  107. case TERMINATE_SIG: {
  108. BSP_terminate(0);
  109. status_ = Q_HANDLED();
  110. break;
  111. }
  112. /*${AOs::Table::SM::active::EAT} */
  113. case EAT_SIG: {
  114. Q_ERROR();
  115. status_ = Q_HANDLED();
  116. break;
  117. }
  118. default: {
  119. status_ = Q_SUPER(&QHsm_top);
  120. break;
  121. }
  122. }
  123. return status_;
  124. }
  125. /*${AOs::Table::SM::active::serving} .......................................*/
  126. static QState Table_serving(Table * const me, QEvt const * const e) {
  127. QState status_;
  128. switch (e->sig) {
  129. /*${AOs::Table::SM::active::serving} */
  130. case Q_ENTRY_SIG: {
  131. uint8_t n;
  132. for (n = 0U; n < N_PHILO; ++n) { /* give permissions to eat... */
  133. if ((me->isHungry[n] != 0U)
  134. && (me->fork[LEFT(n)] == FREE)
  135. && (me->fork[n] == FREE))
  136. {
  137. TableEvt *te;
  138. me->fork[LEFT(n)] = USED;
  139. me->fork[n] = USED;
  140. te = Q_NEW(TableEvt, EAT_SIG);
  141. te->philoNum = n;
  142. QACTIVE_PUBLISH(&te->super, &me->super);
  143. me->isHungry[n] = 0U;
  144. BSP_displayPhilStat(n, "eating ");
  145. }
  146. }
  147. status_ = Q_HANDLED();
  148. break;
  149. }
  150. /*${AOs::Table::SM::active::serving::HUNGRY} */
  151. case HUNGRY_SIG: {
  152. uint8_t n, m;
  153. n = Q_EVT_CAST(TableEvt)->philoNum;
  154. /* phil ID must be in range and he must be not hungry */
  155. Q_ASSERT((n < N_PHILO) && (me->isHungry[n] == 0U));
  156. BSP_displayPhilStat(n, "hungry ");
  157. m = LEFT(n);
  158. /*${AOs::Table::SM::active::serving::HUNGRY::[bothfree]} */
  159. if ((me->fork[m] == FREE) && (me->fork[n] == FREE)) {
  160. TableEvt *pe;
  161. me->fork[m] = USED;
  162. me->fork[n] = USED;
  163. pe = Q_NEW(TableEvt, EAT_SIG);
  164. pe->philoNum = n;
  165. QACTIVE_PUBLISH(&pe->super, &me->super);
  166. BSP_displayPhilStat(n, "eating ");
  167. status_ = Q_HANDLED();
  168. }
  169. /*${AOs::Table::SM::active::serving::HUNGRY::[else]} */
  170. else {
  171. me->isHungry[n] = 1U;
  172. status_ = Q_HANDLED();
  173. }
  174. break;
  175. }
  176. /*${AOs::Table::SM::active::serving::DONE} */
  177. case DONE_SIG: {
  178. uint8_t n, m;
  179. TableEvt *pe;
  180. n = Q_EVT_CAST(TableEvt)->philoNum;
  181. /* phil ID must be in range and he must be not hungry */
  182. Q_ASSERT((n < N_PHILO) && (me->isHungry[n] == 0U));
  183. BSP_displayPhilStat(n, "thinking");
  184. m = LEFT(n);
  185. /* both forks of Phil[n] must be used */
  186. Q_ASSERT((me->fork[n] == USED) && (me->fork[m] == USED));
  187. me->fork[m] = FREE;
  188. me->fork[n] = FREE;
  189. m = RIGHT(n); /* check the right neighbor */
  190. if ((me->isHungry[m] != 0U) && (me->fork[m] == FREE)) {
  191. me->fork[n] = USED;
  192. me->fork[m] = USED;
  193. me->isHungry[m] = 0U;
  194. pe = Q_NEW(TableEvt, EAT_SIG);
  195. pe->philoNum = m;
  196. QACTIVE_PUBLISH(&pe->super, &me->super);
  197. BSP_displayPhilStat(m, "eating ");
  198. }
  199. m = LEFT(n); /* check the left neighbor */
  200. n = LEFT(m); /* left fork of the left neighbor */
  201. if ((me->isHungry[m] != 0U) && (me->fork[n] == FREE)) {
  202. me->fork[m] = USED;
  203. me->fork[n] = USED;
  204. me->isHungry[m] = 0U;
  205. pe = Q_NEW(TableEvt, EAT_SIG);
  206. pe->philoNum = m;
  207. QACTIVE_PUBLISH(&pe->super, &me->super);
  208. BSP_displayPhilStat(m, "eating ");
  209. }
  210. status_ = Q_HANDLED();
  211. break;
  212. }
  213. /*${AOs::Table::SM::active::serving::EAT} */
  214. case EAT_SIG: {
  215. Q_ERROR();
  216. status_ = Q_HANDLED();
  217. break;
  218. }
  219. /*${AOs::Table::SM::active::serving::PAUSE} */
  220. case PAUSE_SIG: {
  221. status_ = Q_TRAN(&Table_paused);
  222. break;
  223. }
  224. default: {
  225. status_ = Q_SUPER(&Table_active);
  226. break;
  227. }
  228. }
  229. return status_;
  230. }
  231. /*${AOs::Table::SM::active::paused} ........................................*/
  232. static QState Table_paused(Table * const me, QEvt const * const e) {
  233. QState status_;
  234. switch (e->sig) {
  235. /*${AOs::Table::SM::active::paused} */
  236. case Q_ENTRY_SIG: {
  237. BSP_displayPaused(1U);
  238. status_ = Q_HANDLED();
  239. break;
  240. }
  241. /*${AOs::Table::SM::active::paused} */
  242. case Q_EXIT_SIG: {
  243. BSP_displayPaused(0U);
  244. status_ = Q_HANDLED();
  245. break;
  246. }
  247. /*${AOs::Table::SM::active::paused::SERVE} */
  248. case SERVE_SIG: {
  249. status_ = Q_TRAN(&Table_serving);
  250. break;
  251. }
  252. /*${AOs::Table::SM::active::paused::HUNGRY} */
  253. case HUNGRY_SIG: {
  254. uint8_t n = Q_EVT_CAST(TableEvt)->philoNum;
  255. /* philo ID must be in range and he must be not hungry */
  256. Q_ASSERT((n < N_PHILO) && (me->isHungry[n] == 0U));
  257. me->isHungry[n] = 1U;
  258. BSP_displayPhilStat(n, "hungry ");
  259. status_ = Q_HANDLED();
  260. break;
  261. }
  262. /*${AOs::Table::SM::active::paused::DONE} */
  263. case DONE_SIG: {
  264. uint8_t n, m;
  265. n = Q_EVT_CAST(TableEvt)->philoNum;
  266. /* phil ID must be in range and he must be not hungry */
  267. Q_ASSERT((n < N_PHILO) && (me->isHungry[n] == 0U));
  268. BSP_displayPhilStat(n, "thinking");
  269. m = LEFT(n);
  270. /* both forks of Phil[n] must be used */
  271. Q_ASSERT((me->fork[n] == USED) && (me->fork[m] == USED));
  272. me->fork[m] = FREE;
  273. me->fork[n] = FREE;
  274. status_ = Q_HANDLED();
  275. break;
  276. }
  277. default: {
  278. status_ = Q_SUPER(&Table_active);
  279. break;
  280. }
  281. }
  282. return status_;
  283. }
  284. /*$enddef${AOs::Table} ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/