Guard.cpp 5.1 KB

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  1. #include "Guard.h"
  2. #include <string.h>
  3. /*! \file Implementation of the state machine 'Guard'
  4. */
  5. Guard::Guard()
  6. {
  7. stateConfVectorPosition = 0;
  8. }
  9. Guard::~Guard()
  10. {
  11. }
  12. void Guard::init()
  13. {
  14. for (int i = 0; i < maxOrthogonalStates; ++i)
  15. stateConfVector[i] = Guard_last_state;
  16. stateConfVectorPosition = 0;
  17. clearInEvents();
  18. clearOutEvents();
  19. /* Default init sequence for statechart Guard */
  20. iface.MyVar = 0;
  21. }
  22. void Guard::enter()
  23. {
  24. /* Default enter sequence for statechart Guard */
  25. enseq_main_region_default();
  26. }
  27. void Guard::exit()
  28. {
  29. /* Default exit sequence for statechart Guard */
  30. exseq_main_region();
  31. }
  32. sc_boolean Guard::isActive() const
  33. {
  34. return stateConfVector[0] != Guard_last_state;
  35. }
  36. /*
  37. * Always returns 'false' since this state machine can never become final.
  38. */
  39. sc_boolean Guard::isFinal() const
  40. {
  41. return false;}
  42. void Guard::runCycle()
  43. {
  44. clearOutEvents();
  45. for (stateConfVectorPosition = 0;
  46. stateConfVectorPosition < maxOrthogonalStates;
  47. stateConfVectorPosition++)
  48. {
  49. switch (stateConfVector[stateConfVectorPosition])
  50. {
  51. case main_region_A :
  52. {
  53. react_main_region_A();
  54. break;
  55. }
  56. case main_region_B :
  57. {
  58. react_main_region_B();
  59. break;
  60. }
  61. default:
  62. break;
  63. }
  64. }
  65. clearInEvents();
  66. }
  67. void Guard::clearInEvents()
  68. {
  69. iface.Event1_raised = false;
  70. iface.Event2_raised = false;
  71. iface.Return_raised = false;
  72. }
  73. void Guard::clearOutEvents()
  74. {
  75. }
  76. sc_boolean Guard::isStateActive(GuardStates state) const
  77. {
  78. switch (state)
  79. {
  80. case main_region_A :
  81. return (sc_boolean) (stateConfVector[0] == main_region_A
  82. );
  83. case main_region_B :
  84. return (sc_boolean) (stateConfVector[0] == main_region_B
  85. );
  86. default: return false;
  87. }
  88. }
  89. Guard::DefaultSCI* Guard::getDefaultSCI()
  90. {
  91. return &iface;
  92. }
  93. void Guard::DefaultSCI::raise_event1()
  94. {
  95. Event1_raised = true;
  96. }
  97. void Guard::raise_event1()
  98. {
  99. iface.raise_event1();
  100. }
  101. void Guard::DefaultSCI::raise_event2()
  102. {
  103. Event2_raised = true;
  104. }
  105. void Guard::raise_event2()
  106. {
  107. iface.raise_event2();
  108. }
  109. void Guard::DefaultSCI::raise_return()
  110. {
  111. Return_raised = true;
  112. }
  113. void Guard::raise_return()
  114. {
  115. iface.raise_return();
  116. }
  117. sc_integer Guard::DefaultSCI::get_myVar() const
  118. {
  119. return MyVar;
  120. }
  121. sc_integer Guard::get_myVar() const
  122. {
  123. return iface.MyVar;
  124. }
  125. void Guard::DefaultSCI::set_myVar(sc_integer value)
  126. {
  127. MyVar = value;
  128. }
  129. void Guard::set_myVar(sc_integer value)
  130. {
  131. iface.MyVar = value;
  132. }
  133. // implementations of all internal functions
  134. sc_boolean Guard::check_main_region_A_tr0_tr0()
  135. {
  136. return (iface.Event1_raised) && (iface.MyVar == 10);
  137. }
  138. sc_boolean Guard::check_main_region_A_tr1_tr1()
  139. {
  140. return iface.Event2_raised;
  141. }
  142. sc_boolean Guard::check_main_region_B_tr0_tr0()
  143. {
  144. return iface.Return_raised;
  145. }
  146. void Guard::effect_main_region_A_tr0()
  147. {
  148. exseq_main_region_A();
  149. enseq_main_region_B_default();
  150. }
  151. void Guard::effect_main_region_A_tr1()
  152. {
  153. exseq_main_region_A();
  154. enseq_main_region_B_default();
  155. }
  156. void Guard::effect_main_region_B_tr0()
  157. {
  158. exseq_main_region_B();
  159. enseq_main_region_A_default();
  160. }
  161. /* Entry action for state 'B'. */
  162. void Guard::enact_main_region_B()
  163. {
  164. /* Entry action for state 'B'. */
  165. iface.MyVar = 10;
  166. }
  167. /* 'default' enter sequence for state A */
  168. void Guard::enseq_main_region_A_default()
  169. {
  170. /* 'default' enter sequence for state A */
  171. stateConfVector[0] = main_region_A;
  172. stateConfVectorPosition = 0;
  173. }
  174. /* 'default' enter sequence for state B */
  175. void Guard::enseq_main_region_B_default()
  176. {
  177. /* 'default' enter sequence for state B */
  178. enact_main_region_B();
  179. stateConfVector[0] = main_region_B;
  180. stateConfVectorPosition = 0;
  181. }
  182. /* 'default' enter sequence for region main region */
  183. void Guard::enseq_main_region_default()
  184. {
  185. /* 'default' enter sequence for region main region */
  186. react_main_region__entry_Default();
  187. }
  188. /* Default exit sequence for state A */
  189. void Guard::exseq_main_region_A()
  190. {
  191. /* Default exit sequence for state A */
  192. stateConfVector[0] = Guard_last_state;
  193. stateConfVectorPosition = 0;
  194. }
  195. /* Default exit sequence for state B */
  196. void Guard::exseq_main_region_B()
  197. {
  198. /* Default exit sequence for state B */
  199. stateConfVector[0] = Guard_last_state;
  200. stateConfVectorPosition = 0;
  201. }
  202. /* Default exit sequence for region main region */
  203. void Guard::exseq_main_region()
  204. {
  205. /* Default exit sequence for region main region */
  206. /* Handle exit of all possible states (of Guard.main_region) at position 0... */
  207. switch(stateConfVector[ 0 ])
  208. {
  209. case main_region_A :
  210. {
  211. exseq_main_region_A();
  212. break;
  213. }
  214. case main_region_B :
  215. {
  216. exseq_main_region_B();
  217. break;
  218. }
  219. default: break;
  220. }
  221. }
  222. /* The reactions of state A. */
  223. void Guard::react_main_region_A()
  224. {
  225. /* The reactions of state A. */
  226. if (check_main_region_A_tr0_tr0())
  227. {
  228. effect_main_region_A_tr0();
  229. } else
  230. {
  231. if (check_main_region_A_tr1_tr1())
  232. {
  233. effect_main_region_A_tr1();
  234. }
  235. }
  236. }
  237. /* The reactions of state B. */
  238. void Guard::react_main_region_B()
  239. {
  240. /* The reactions of state B. */
  241. if (check_main_region_B_tr0_tr0())
  242. {
  243. effect_main_region_B_tr0();
  244. }
  245. }
  246. /* Default react sequence for initial entry */
  247. void Guard::react_main_region__entry_Default()
  248. {
  249. /* Default react sequence for initial entry */
  250. enseq_main_region_A_default();
  251. }