pcnt.h 8.1 KB

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  1. /*******************************************************************************
  2. * Copyright (C) 2018, Huada Semiconductor Co.,Ltd All rights reserved.
  3. *
  4. * This software is owned and published by:
  5. * Huada Semiconductor Co.,Ltd ("HDSC").
  6. *
  7. * BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
  8. * BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
  9. *
  10. * This software contains source code for use with HDSC
  11. * components. This software is licensed by HDSC to be adapted only
  12. * for use in systems utilizing HDSC components. HDSC shall not be
  13. * responsible for misuse or illegal use of this software for devices not
  14. * supported herein. HDSC is providing this software "AS IS" and will
  15. * not be responsible for issues arising from incorrect user implementation
  16. * of the software.
  17. *
  18. * Disclaimer:
  19. * HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
  20. * REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
  21. * ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
  22. * WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
  23. * WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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  30. * INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
  31. * SAVINGS OR PROFITS,
  32. * EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
  33. * YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
  34. * INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
  35. * FROM, THE SOFTWARE.
  36. *
  37. * This software may be replicated in part or whole for the licensed use,
  38. * with the restriction that this Disclaimer and Copyright notice must be
  39. * included with each copy of this software, whether used in part or whole,
  40. * at all times.
  41. */
  42. /******************************************************************************/
  43. /** \file pcnt.h
  44. **
  45. ** Headerfile for PCNT functions
  46. ** @link PCNT Group Some description @endlink
  47. **
  48. ** History:
  49. ** - 2018-04-15 Devi First Version
  50. **
  51. ******************************************************************************/
  52. #ifndef __PCNT_H__
  53. #define __PCNT_H__
  54. /*******************************************************************************
  55. * Include files
  56. ******************************************************************************/
  57. #include "ddl.h"
  58. #include "interrupts_hc32l136.h"
  59. #ifdef __cplusplus
  60. extern "C"
  61. {
  62. #endif
  63. /**
  64. ******************************************************************************
  65. ** \defgroup PCNTGroup (PCNT)
  66. **
  67. ******************************************************************************/
  68. //@{
  69. /**
  70. *******************************************************************************
  71. ** function prototypes.
  72. ******************************************************************************/
  73. /**
  74. *******************************************************************************
  75. ** \brief PCNT S1通道极性选择
  76. ** \note
  77. ******************************************************************************/
  78. typedef enum en_pcnt_s1sel
  79. {
  80. S1P_Noinvert = 0u, ///<<S1通道极性不取反
  81. S1P_Invert = 1u, ///<<S1通道极性取反
  82. }en_pcnt_s1sel_t;
  83. /**
  84. *******************************************************************************
  85. ** \brief PCNT S0通道极性选择
  86. ** \note
  87. ******************************************************************************/
  88. typedef enum en_pcnt_s0sel
  89. {
  90. S0P_Noinvert = 0u, ///<<S0通道极性不取反
  91. S0P_Invert = 1u, ///<<S0通道极性取反
  92. }en_pcnt_s0sel_t;
  93. /**
  94. *******************************************************************************
  95. ** \brief PCNT 计数方向选择
  96. ** \note
  97. ******************************************************************************/
  98. typedef enum en_pcnt_direcsel
  99. {
  100. Direct_Add = 0u, ///<<加计数
  101. Direct_Sub = 1u, ///<<减计数
  102. }en_pcnt_direcsel_t;
  103. /**
  104. *******************************************************************************
  105. ** \brief PCNT 计数时钟选择
  106. ** \note
  107. ******************************************************************************/
  108. typedef enum en_pcnt_clksel
  109. {
  110. CLK_Pclk = 1u, ///<<PCLK
  111. CLK_Xtl = 2u, ///<<XTL
  112. CLK_Rcl = 3u, ///<<RCL
  113. }en_pcnt_clksel_t;
  114. /**
  115. *******************************************************************************
  116. ** \brief PCNT 脉冲计数模式选择
  117. ** \note
  118. ******************************************************************************/
  119. typedef enum en_pcnt_modesel
  120. {
  121. Single_Mode = 1u, ///<<单通道脉冲计数模式
  122. Special_Mode = 2u, ///<<双通道非正交脉冲计数模式
  123. Double_Mode = 3u, ///<<双通道正交脉冲计数模式
  124. }en_pcnt_modesel_t;
  125. /**
  126. ******************************************************************************
  127. ** \brief PCNT 状态
  128. *****************************************************************************/
  129. typedef enum en_pcnt_status
  130. {
  131. PCNT_S1E = 0x80, ///<S1通道脉冲解码错误
  132. PCNT_S0E = 0x40, ///<S0通道脉冲解码错误
  133. PCNT_BB = 0x20, ///<脉冲解码错误
  134. PCNT_FE = 0x10, ///<采样周期脉冲解码错误
  135. PCNT_DIR = 0x08, ///<反向改变中断
  136. PCNT_TO = 0x04, ///<超时中断标识
  137. PCNT_OV = 0x02, ///<上溢中断标识
  138. PCNT_UF = 0x01, ///<下溢中断标识
  139. }en_pcnt_status_t;
  140. /**
  141. ******************************************************************************
  142. ** \brief PCNT 整体配置结构体
  143. *****************************************************************************/
  144. typedef struct stc_pcnt_config
  145. {
  146. en_pcnt_s1sel_t bS1Sel; ///< S1通道极性选择
  147. en_pcnt_s0sel_t bS0Sel; ///< S0通道极性选择
  148. en_pcnt_direcsel_t u8Direc; ///< 计数方向选择
  149. en_pcnt_clksel_t u8Clk; ///< 计数时钟选择
  150. en_pcnt_modesel_t u8Mode; ///< 脉冲计数模式选择
  151. boolean_t bFLTEn; ///< 滤波控制使能
  152. uint8_t u8FLTDep; ///< 滤波阀值
  153. uint8_t u8FLTClk; ///< 滤波时钟
  154. boolean_t bTOEn; ///< 超时使能
  155. uint16_t u16TODep; ///< 超时阀值
  156. uint8_t u8IrqStatus; ///< 中断方式
  157. boolean_t bIrqEn; ///< 中断使能
  158. func_ptr_t pfnIrqCb; ///< 中断回调函数
  159. }stc_pcnt_config_t;
  160. //PCNT 中断
  161. void Pcnt_IRQHandler(void);
  162. /******************************************************************************
  163. * Global variable declarations ('extern', definition in C source)
  164. ******************************************************************************/
  165. /******************************************************************************
  166. * Global function prototypes (definition in C source)
  167. ******************************************************************************/
  168. ///< PCNT初始化
  169. en_result_t PCNT_Init(stc_pcnt_config_t* pstcPcntConfig);
  170. ///< PCNT去初始化
  171. void PCNT_DeInit(void);
  172. ///< PCNT 参数设置
  173. en_result_t PCNT_Parameter(uint8_t start,uint8_t end);
  174. ///< PCNT 读取PCNT 方向
  175. en_pcnt_direcsel_t PCNT_Direction(void);
  176. ///< PCNT 读取PCNT 计数值
  177. uint16_t PCNT_Count(void);
  178. ///< PCNT 读取PCNT 溢出值
  179. uint16_t PCNT_TopCount(void);
  180. ///< PCNT 设置PCNT
  181. void PCNT_Run(boolean_t work);
  182. ///< PCNT获取状态
  183. boolean_t PCNT_GetStatus(en_pcnt_status_t enStatus);
  184. ///< PCNT清除状态
  185. void PCNT_ClrStatus(en_pcnt_status_t enStatus);
  186. ///< PCNT设置中断
  187. void PCNT_SetIrqStatus(en_pcnt_status_t enStatus);
  188. //@} // PCNT Group
  189. #ifdef __cplusplus
  190. #endif
  191. #endif /* __PCNT_H__ */
  192. /*******************************************************************************
  193. * EOF (not truncated)
  194. ******************************************************************************/