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2 /*                  Atmel Microcontroller Software Support                      */
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29 
30 #ifndef _SAM4S_CRCCU_COMPONENT_
31 #define _SAM4S_CRCCU_COMPONENT_
32 
33 /* ============================================================================= */
34 /**  SOFTWARE API DEFINITION FOR Cyclic Redundancy Check Calculation Unit */
35 /* ============================================================================= */
36 /** \addtogroup SAM4S_CRCCU Cyclic Redundancy Check Calculation Unit */
37 /*@{*/
38 
39 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
40 /** \brief Crccu hardware registers */
41 typedef struct {
42   __IO uint32_t CRCCU_DSCR;    /**< \brief (Crccu Offset: 0x000) CRCCU Descriptor Base Register */
43   __I  uint32_t Reserved1[1];
44   __O  uint32_t CRCCU_DMA_EN;  /**< \brief (Crccu Offset: 0x008) CRCCU DMA Enable Register */
45   __O  uint32_t CRCCU_DMA_DIS; /**< \brief (Crccu Offset: 0x00C) CRCCU DMA Disable Register */
46   __I  uint32_t CRCCU_DMA_SR;  /**< \brief (Crccu Offset: 0x010) CRCCU DMA Status Register */
47   __O  uint32_t CRCCU_DMA_IER; /**< \brief (Crccu Offset: 0x014) CRCCU DMA Interrupt Enable Register */
48   __O  uint32_t CRCCU_DMA_IDR; /**< \brief (Crccu Offset: 0x018) CRCCU DMA Interrupt Disable Register */
49   __I  uint32_t CRCCU_DMA_IMR; /**< \brief (Crccu Offset: 0x001C) CRCCU DMA Interrupt Mask Register */
50   __I  uint32_t CRCCU_DMA_ISR; /**< \brief (Crccu Offset: 0x020) CRCCU DMA Interrupt Status Register */
51   __I  uint32_t Reserved2[4];
52   __O  uint32_t CRCCU_CR;      /**< \brief (Crccu Offset: 0x034) CRCCU Control Register */
53   __IO uint32_t CRCCU_MR;      /**< \brief (Crccu Offset: 0x038) CRCCU Mode Register */
54   __I  uint32_t CRCCU_SR;      /**< \brief (Crccu Offset: 0x03C) CRCCU Status Register */
55   __O  uint32_t CRCCU_IER;     /**< \brief (Crccu Offset: 0x040) CRCCU Interrupt Enable Register */
56   __O  uint32_t CRCCU_IDR;     /**< \brief (Crccu Offset: 0x044) CRCCU Interrupt Disable Register */
57   __I  uint32_t CRCCU_IMR;     /**< \brief (Crccu Offset: 0x048) CRCCU Interrupt Mask Register */
58   __I  uint32_t CRCCU_ISR;     /**< \brief (Crccu Offset: 0x004C) CRCCU Interrupt Status Register */
59 } Crccu;
60 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
61 /* -------- CRCCU_DSCR : (CRCCU Offset: 0x000) CRCCU Descriptor Base Register -------- */
62 #define CRCCU_DSCR_DSCR_Pos 9
63 #define CRCCU_DSCR_DSCR_Msk (0x7fffffu << CRCCU_DSCR_DSCR_Pos) /**< \brief (CRCCU_DSCR) Descriptor Base Address */
64 #define CRCCU_DSCR_DSCR(value) ((CRCCU_DSCR_DSCR_Msk & ((value) << CRCCU_DSCR_DSCR_Pos)))
65 /* -------- CRCCU_DMA_EN : (CRCCU Offset: 0x008) CRCCU DMA Enable Register -------- */
66 #define CRCCU_DMA_EN_DMAEN (0x1u << 0) /**< \brief (CRCCU_DMA_EN) DMA Enable */
67 /* -------- CRCCU_DMA_DIS : (CRCCU Offset: 0x00C) CRCCU DMA Disable Register -------- */
68 #define CRCCU_DMA_DIS_DMADIS (0x1u << 0) /**< \brief (CRCCU_DMA_DIS) DMA Disable */
69 /* -------- CRCCU_DMA_SR : (CRCCU Offset: 0x010) CRCCU DMA Status Register -------- */
70 #define CRCCU_DMA_SR_DMASR (0x1u << 0) /**< \brief (CRCCU_DMA_SR) DMA Status */
71 /* -------- CRCCU_DMA_IER : (CRCCU Offset: 0x014) CRCCU DMA Interrupt Enable Register -------- */
72 #define CRCCU_DMA_IER_DMAIER (0x1u << 0) /**< \brief (CRCCU_DMA_IER) Interrupt Enable */
73 /* -------- CRCCU_DMA_IDR : (CRCCU Offset: 0x018) CRCCU DMA Interrupt Disable Register -------- */
74 #define CRCCU_DMA_IDR_DMAIDR (0x1u << 0) /**< \brief (CRCCU_DMA_IDR) Interrupt Disable */
75 /* -------- CRCCU_DMA_IMR : (CRCCU Offset: 0x001C) CRCCU DMA Interrupt Mask Register -------- */
76 #define CRCCU_DMA_IMR_DMAIMR (0x1u << 0) /**< \brief (CRCCU_DMA_IMR) Interrupt Mask */
77 /* -------- CRCCU_DMA_ISR : (CRCCU Offset: 0x020) CRCCU DMA Interrupt Status Register -------- */
78 #define CRCCU_DMA_ISR_DMAISR (0x1u << 0) /**< \brief (CRCCU_DMA_ISR) Interrupt Status */
79 /* -------- CRCCU_CR : (CRCCU Offset: 0x034) CRCCU Control Register -------- */
80 #define CRCCU_CR_RESET (0x1u << 0) /**< \brief (CRCCU_CR) CRC Computation Reset */
81 /* -------- CRCCU_MR : (CRCCU Offset: 0x038) CRCCU Mode Register -------- */
82 #define CRCCU_MR_ENABLE (0x1u << 0) /**< \brief (CRCCU_MR) CRC Enable */
83 #define CRCCU_MR_COMPARE (0x1u << 1) /**< \brief (CRCCU_MR) CRC Compare */
84 #define CRCCU_MR_PTYPE_Pos 2
85 #define CRCCU_MR_PTYPE_Msk (0x3u << CRCCU_MR_PTYPE_Pos) /**< \brief (CRCCU_MR) Primitive Polynomial */
86 #define CRCCU_MR_PTYPE(value) ((CRCCU_MR_PTYPE_Msk & ((value) << CRCCU_MR_PTYPE_Pos)))
87 #define   CRCCU_MR_PTYPE_CCITT8023 (0x0u << 2) /**< \brief (CRCCU_MR) Polynom 0x04C11DB7 */
88 #define   CRCCU_MR_PTYPE_CASTAGNOLI (0x1u << 2) /**< \brief (CRCCU_MR) Polynom 0x1EDC6F41 */
89 #define   CRCCU_MR_PTYPE_CCITT16 (0x2u << 2) /**< \brief (CRCCU_MR) Polynom 0x1021 */
90 #define CRCCU_MR_DIVIDER_Pos 4
91 #define CRCCU_MR_DIVIDER_Msk (0xfu << CRCCU_MR_DIVIDER_Pos) /**< \brief (CRCCU_MR) Request Divider */
92 #define CRCCU_MR_DIVIDER(value) ((CRCCU_MR_DIVIDER_Msk & ((value) << CRCCU_MR_DIVIDER_Pos)))
93 /* -------- CRCCU_SR : (CRCCU Offset: 0x03C) CRCCU Status Register -------- */
94 #define CRCCU_SR_CRC_Pos 0
95 #define CRCCU_SR_CRC_Msk (0xffffffffu << CRCCU_SR_CRC_Pos) /**< \brief (CRCCU_SR) Cyclic Redundancy Check Value */
96 /* -------- CRCCU_IER : (CRCCU Offset: 0x040) CRCCU Interrupt Enable Register -------- */
97 #define CRCCU_IER_ERRIER (0x1u << 0) /**< \brief (CRCCU_IER) CRC Error Interrupt Enable */
98 /* -------- CRCCU_IDR : (CRCCU Offset: 0x044) CRCCU Interrupt Disable Register -------- */
99 #define CRCCU_IDR_ERRIDR (0x1u << 0) /**< \brief (CRCCU_IDR) CRC Error Interrupt Disable */
100 /* -------- CRCCU_IMR : (CRCCU Offset: 0x048) CRCCU Interrupt Mask Register -------- */
101 #define CRCCU_IMR_ERRIMR (0x1u << 0) /**< \brief (CRCCU_IMR) CRC Error Interrupt Mask */
102 /* -------- CRCCU_ISR : (CRCCU Offset: 0x004C) CRCCU Interrupt Status Register -------- */
103 #define CRCCU_ISR_ERRISR (0x1u << 0) /**< \brief (CRCCU_ISR) CRC Error Interrupt Status */
104 
105 /*@}*/
106 
107 
108 #endif /* _SAM4S_CRCCU_COMPONENT_ */
109