73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
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#ifndef _HAL_CRC_H_
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#define _HAL_CRC_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum CRC_DEV_FLAGS {
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CRC_DEV_FLAGS_CONTINUE_CALC = BIT(0),
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};
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enum CRC_DEV_TYPE {
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CRC_TYPE_CRC5_USB = 0,
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CRC_TYPE_CRC7_MMC,
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CRC_TYPE_CRC8_MAXIM,
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CRC_TYPE_CRC8,
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CRC_TYPE_CRC16,
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CRC_TYPE_CRC16_CCITT,
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CRC_TYPE_CRC16_MODBUS,
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CRC_TYPE_CRC32_WINRAR,
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CRC_TYPE_TCPIP_CHKSUM,
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CRC_TYPE_MAX,
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};
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/**
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* CRC len 512KB for TXW81x； 64KB for TXW80x
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*/
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struct crc_dev_req {
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uint16 type : 8,
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flag : 8;
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uint16 cookie;
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uint8 *data;
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uint32 len;
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uint32 crc_last; //use when CRC_DEV_FLAGS_CONTINUE_CALC
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};
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struct crc_dev {
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struct dev_obj dev;
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};
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struct crc_hal_ops{
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struct devobj_ops ops;
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int32(*calc)(struct crc_dev *dev, struct crc_dev_req *req, uint32 *crc_val, uint32 flags);
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};
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/**
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* @brief Hold CRC .
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* @param dev : crc_dev use @ref dev_get() function to get the handle.
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* @param req : req(type\addr\len) for crc dev.
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* 1、req crc_last must set when flags:CRC_DEV_FLAGS_CONTINUE_CALC
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* @param crc_val : crc result.
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* @param flags : CRC_DEV_FLAGS .
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* @return
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* - RET_OK : Successfully.
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* - RET_ERR : Failed.
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* @note
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*/
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static inline int32 crc_dev_calc(struct crc_dev *dev, struct crc_dev_req *req, uint32 *crc_val, uint32 flags)
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{
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const struct crc_hal_ops *ops = (const struct crc_hal_ops *)dev->dev.ops;
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return (dev && ops->calc) ? ops->calc(dev, req, crc_val, flags) : RET_ERR;
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}
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extern uint32 hw_crc(enum CRC_DEV_TYPE type, uint8 *data, uint32 len);
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extern uint32 hw_crc_no_cache(enum CRC_DEV_TYPE type, uint8 *data, uint32 len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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