2 * @brief Quadrature Encoder Interface Registers and control functions
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5 * Copyright(C) NXP Semiconductors, 2012
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6 * All rights reserved.
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9 * Software that is described herein is for illustrative purposes only
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10 * which provides customers with programming information regarding the
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11 * LPC products. This software is supplied "AS IS" without any warranties of
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12 * any kind, and NXP Semiconductors and its licensor disclaim any and
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13 * all warranties, express or implied, including all implied warranties of
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14 * merchantability, fitness for a particular purpose and non-infringement of
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15 * intellectual property rights. NXP Semiconductors assumes no responsibility
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16 * or liability for the use of the software, conveys no license or rights under any
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17 * patent, copyright, mask work right, or any other intellectual property rights in
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18 * or to any products. NXP Semiconductors reserves the right to make changes
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19 * in the software without notification. NXP Semiconductors also makes no
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20 * representation or warranty that such application will be suitable for the
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21 * specified use without further testing or modification.
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24 * Permission to use, copy, modify, and distribute this software and its
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25 * documentation is hereby granted, under NXP Semiconductors' and its
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26 * licensor's relevant copyrights in the software, without fee, provided that it
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27 * is used in conjunction with NXP Semiconductors microcontrollers. This
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28 * copyright, permission, and disclaimer notice must appear in all copies of
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32 #ifndef __QEI_001_H_
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33 #define __QEI_001_H_
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35 #include "sys_config.h"
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42 /** @defgroup IP_QEI_001 IP: QEI register block and driver
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43 * @ingroup IP_Drivers
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44 * Quadrature Encoder Interface
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49 * @brief Quadrature Encoder Interface register block structure
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51 typedef struct { /*!< QEI Structure */
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52 __O uint32_t CON; /*!< Control register */
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53 __I uint32_t STAT; /*!< Encoder status register */
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54 __IO uint32_t CONF; /*!< Configuration register */
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55 __I uint32_t POS; /*!< Position register */
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56 __IO uint32_t MAXPOS; /*!< Maximum position register */
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57 __IO uint32_t CMPOS0; /*!< position compare register 0 */
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58 __IO uint32_t CMPOS1; /*!< position compare register 1 */
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59 __IO uint32_t CMPOS2; /*!< position compare register 2 */
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60 __I uint32_t INXCNT; /*!< Index count register */
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61 __IO uint32_t INXCMP0; /*!< Index compare register 0 */
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62 __IO uint32_t LOAD; /*!< Velocity timer reload register */
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63 __I uint32_t TIME; /*!< Velocity timer register */
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64 __I uint32_t VEL; /*!< Velocity counter register */
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65 __I uint32_t CAP; /*!< Velocity capture register */
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66 __IO uint32_t VELCOMP; /*!< Velocity compare register */
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67 __IO uint32_t FILTERPHA; /*!< Digital filter register on input phase A (QEI_A) */
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68 __IO uint32_t FILTERPHB; /*!< Digital filter register on input phase B (QEI_B) */
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69 __IO uint32_t FILTERINX; /*!< Digital filter register on input index (QEI_IDX) */
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70 __IO uint32_t WINDOW; /*!< Index acceptance window register */
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71 __IO uint32_t INXCMP1; /*!< Index compare register 1 */
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72 __IO uint32_t INXCMP2; /*!< Index compare register 2 */
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73 __I uint32_t RESERVED0[993];
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74 __O uint32_t IEC; /*!< Interrupt enable clear register */
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75 __O uint32_t IES; /*!< Interrupt enable set register */
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76 __I uint32_t INTSTAT; /*!< Interrupt status register */
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77 __I uint32_t IE; /*!< Interrupt enable register */
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78 __O uint32_t CLR; /*!< Interrupt status clear register */
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79 __O uint32_t SET; /*!< Interrupt status set register */
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90 #endif /* __QEI_001_H_ */
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