api_rt_cap.c 4.9 KB

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  1. #include "api_rt_cap.h"
  2. #include "api_rt_dbg.h"
  3. #include "board_config.h"
  4. #include "gd32f30x.h"
  5. ApiRtCap_Handle Caps[1];
  6. /* ========================================================================== */
  7. /* ============================ Api RT Functions ============================ */
  8. /* ========================================================================== */
  9. void iRtCap_Init(void)
  10. {
  11. Caps[0].CapBase = TIMER1;
  12. Caps[0].CountMaxISR.Enable = 0;
  13. Caps[0].CountMaxISR.Action = 0;
  14. for (int i = 0; i < 4; i++)
  15. {
  16. Caps[0].ChannelISR[i].Enable = 0;
  17. Caps[0].ChannelISR[i].Action = 0;
  18. }
  19. }
  20. void iRtCap_Isr(uint8_t devIndex)
  21. {
  22. uint32_t base = Caps[devIndex].CapBase;
  23. uint16_t capValues[5]={0,0,0,0,0};
  24. uint8_t results[5]={0,1,2,3,4};
  25. uint16_t tmpIntf;
  26. tmpIntf = TIMER_INTF(base);
  27. for (int i = 1; i < 5; i++)
  28. {
  29. if (tmpIntf & (0x01 << i ))
  30. {
  31. capValues[i] = iCap_GetCaptureValue(devIndex,(i-1));
  32. }
  33. }
  34. if (tmpIntf & 0x01)
  35. {
  36. capValues[0] = iCap_GetPeriod(devIndex) >> 1;
  37. }
  38. for(int i = 0; i < 4; i++)
  39. {
  40. for(int j = 0;j < (4-i); j++)
  41. {
  42. if(capValues[results[j]]< capValues[results[j + 1]])
  43. {
  44. uint8_t tmp = results[j];
  45. results[j] = results[j + 1];
  46. results[j + 1] = tmp;
  47. }
  48. }
  49. }
  50. for(int i = 0; i < 5; i++)
  51. {
  52. if (tmpIntf & (0x01 << results[i]))
  53. {
  54. if(results[i]==0)
  55. {
  56. if (Caps[devIndex].CountMaxISR.Enable && Caps[devIndex].CountMaxISR.Action != 0)
  57. {
  58. Caps[devIndex].CountMaxISR.Action();
  59. }
  60. TIMER_INTF(base) &= ~0x01;
  61. }
  62. else
  63. {
  64. if (Caps[devIndex].ChannelISR[results[i]-1].Enable && Caps[devIndex].ChannelISR[results[i]-1].Action != 0)
  65. {
  66. Caps[devIndex].ChannelISR[results[i]-1].Action();
  67. }
  68. TIMER_INTF(base) &= ~(0x01 << results[i]);
  69. }
  70. }
  71. }
  72. }
  73. /* ========================================================================== */
  74. /* ============================== API Functions ============================= */
  75. /* ========================================================================== */
  76. uint32_t iCap_GetClock(uint8_t devIndex)
  77. {
  78. return HW_TIM_CLOCK_HZ;
  79. }
  80. void iCap_SetEdgeType(uint8_t devIndex, uint8_t channelIndex, ApiCap_EdgeType edge)
  81. {
  82. uint32_t base = Caps[devIndex].CapBase;
  83. uint32_t data = 0x00;
  84. uint32_t mask = 0x0F;
  85. switch (edge)
  86. {
  87. case ApiCap_NoneEdge:
  88. data = 0x00;
  89. break;
  90. case ApiCap_RisingEdge:
  91. data = 0x01;
  92. break;
  93. case ApiCap_FallingEdge:
  94. data = 0x03;
  95. break;
  96. case ApiCap_BothEdge:
  97. data = 0x0B;
  98. break;
  99. default:
  100. break;
  101. }
  102. data = data << (channelIndex * 4);
  103. mask = mask << (channelIndex * 4);
  104. TIMER_CHCTL2(base) &= ~mask;
  105. TIMER_CHCTL2(base) |= data;
  106. }
  107. void iCap_Enable(uint8_t devIndex)
  108. {
  109. uint32_t base = Caps[devIndex].CapBase;
  110. TIMER_CTL0(base)|= ((uint32_t)0x01);
  111. }
  112. void iCap_Disable(uint8_t devIndex)
  113. {
  114. uint32_t base = Caps[devIndex].CapBase;
  115. TIMER_CTL0(base) &= ~((uint32_t)0x01);
  116. }
  117. void iCap_SetPeriod(uint8_t devIndex, uint32_t prd)
  118. {
  119. uint32_t base = Caps[devIndex].CapBase;
  120. TIMER_CAR(base) = prd;
  121. }
  122. uint32_t iCap_GetPeriod(uint8_t devIndex)
  123. {
  124. return TIMER_CAR(Caps[devIndex].CapBase);
  125. }
  126. uint32_t iCap_GetCaptureValue(uint8_t devIndex, uint8_t channelIndex)
  127. {
  128. uint32_t base = Caps[devIndex].CapBase;
  129. uint32_t value = 0;
  130. switch (channelIndex)
  131. {
  132. case 0:
  133. value = TIMER_CH0CV(base);
  134. break;
  135. case 1:
  136. value = TIMER_CH1CV(base);
  137. break;
  138. case 2:
  139. value = TIMER_CH2CV(base);
  140. break;
  141. case 3:
  142. value = TIMER_CH3CV(base);
  143. break;
  144. default:
  145. break;
  146. }
  147. return value;
  148. }
  149. void iCap_EnableCaptureReset(uint8_t devIndex, uint8_t channelIndex)
  150. {
  151. }
  152. void iCap_DisableCaptureReset(uint8_t devIndex, uint8_t channelIndex)
  153. {
  154. }
  155. void iCap_EnableDeviceInterrupt(uint8_t devIndex)
  156. {
  157. Caps[devIndex].CountMaxISR.Enable = 1;
  158. }
  159. void iCap_DisableDeviceInterrupt(uint8_t devIndex)
  160. {
  161. Caps[devIndex].CountMaxISR.Enable = 0;
  162. }
  163. void iCap_BindDeviceInterrupt(uint8_t devIndex, void (*action)())
  164. {
  165. Caps[devIndex].CountMaxISR.Action = action;
  166. }
  167. void iCap_EnableChannelInterrupt(uint8_t devIndex, uint8_t channelIndex)
  168. {
  169. Caps[devIndex].ChannelISR[channelIndex].Enable = 1;
  170. }
  171. void iCap_DisableChannelInterrupt(uint8_t devIndex, uint8_t channelIndex)
  172. {
  173. Caps[devIndex].ChannelISR[channelIndex].Enable = 0;
  174. }
  175. void iCap_BindChannelInterrupt(uint8_t devIndex, uint8_t channelIndex, void (*action)())
  176. {
  177. Caps[devIndex].ChannelISR[channelIndex].Action = action;
  178. }