Cyclic Redundancy Check Calculation Unit (CRCCU) driver for SAM.
Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.
#include "compiler.h"Data Structures | |
| struct | crccu_dscr_type |
| CRCCU descriptor type. More... | |
Macros | |
| #define | CRCCU_TR_CTRL_IEN_DISABLE (1 << CRCCU_TR_CTRL_IEN_OFFSET) |
| #define | CRCCU_TR_CTRL_IEN_ENABLE (0 << CRCCU_TR_CTRL_IEN_OFFSET) |
| #define | CRCCU_TR_CTRL_IEN_OFFSET (27) |
| #define | CRCCU_TR_CTRL_TRWIDTH_BYTE (0 << CRCCU_TR_CTRL_TRWIDTH_POS) |
| #define | CRCCU_TR_CTRL_TRWIDTH_HALFWORD (1 << CRCCU_TR_CTRL_TRWIDTH_POS) |
| #define | CRCCU_TR_CTRL_TRWIDTH_POS (24) |
| #define | CRCCU_TR_CTRL_TRWIDTH_WORD (2 << CRCCU_TR_CTRL_TRWIDTH_POS) |
Typedefs | |
| typedef struct crccu_dscr_type | crccu_dscr_type_t |
| CRCCU descriptor type. More... | |
Functions | |
| void | crccu_configure_descriptor (Crccu *p_crccu, uint32_t ul_crc_dscr_addr) |
| Configure CRCCU descriptor. More... | |
| void | crccu_configure_mode (Crccu *p_crccu, uint32_t ul_mode) |
| Configure the CRCCU mode. More... | |
| void | crccu_disable_dma (Crccu *p_crccu) |
| Disable CRCCU. More... | |
| void | crccu_disable_dma_interrupt (Crccu *p_crccu) |
| Disable CRCCU DMA transfer interrupt. More... | |
| void | crccu_disable_error_interrupt (Crccu *p_crccu) |
| Disable cyclic redundancy check error interrupt. More... | |
| void | crccu_enable_dma (Crccu *p_crccu) |
| Start CRCCU. More... | |
| void | crccu_enable_dma_interrupt (Crccu *p_crccu) |
| Enable CRCCU DMA transfer interrupt. More... | |
| void | crccu_enable_error_interrupt (Crccu *p_crccu) |
| Enable cyclic redundancy check error interrupt. More... | |
| uint32_t | crccu_get_dma_interrupt_mask (Crccu *p_crccu) |
| Get DMA interrupt mask. More... | |
| uint32_t | crccu_get_dma_interrupt_status (Crccu *p_crccu) |
| Check if DMA buffer transfer has been terminated. More... | |
| uint32_t | crccu_get_dma_status (Crccu *p_crccu) |
| Check if DMA channel is enabled. More... | |
| uint32_t | crccu_get_error_interrupt_mask (Crccu *p_crccu) |
| Get check CRC error interrupt mask. More... | |
| uint32_t | crccu_get_error_interrupt_status (Crccu *p_crccu) |
| Check if there is a CRC error. More... | |
| uint32_t | crccu_read_crc_value (Crccu *p_crccu) |
| Read cyclic redundancy check value. More... | |
| void | crccu_reset (Crccu *p_crccu) |
| Reset CRCCU. More... | |
| #define CRCCU_TR_CTRL_IEN_DISABLE (1 << CRCCU_TR_CTRL_IEN_OFFSET) |
| #define CRCCU_TR_CTRL_IEN_ENABLE (0 << CRCCU_TR_CTRL_IEN_OFFSET) |
Referenced by compute_crc().
| #define CRCCU_TR_CTRL_IEN_OFFSET (27) |
| #define CRCCU_TR_CTRL_TRWIDTH_BYTE (0 << CRCCU_TR_CTRL_TRWIDTH_POS) |
Referenced by compute_crc().
| #define CRCCU_TR_CTRL_TRWIDTH_HALFWORD (1 << CRCCU_TR_CTRL_TRWIDTH_POS) |
| #define CRCCU_TR_CTRL_TRWIDTH_POS (24) |
| #define CRCCU_TR_CTRL_TRWIDTH_WORD (2 << CRCCU_TR_CTRL_TRWIDTH_POS) |
| typedef struct crccu_dscr_type crccu_dscr_type_t |
CRCCU descriptor type.
1.8.5