controller.h

浏览该文件的文档.

 
#ifndef __xwcd_ds_lin_controller_h__
#define __xwcd_ds_lin_controller_h__
 
#include <xwcd/ds/standard.h>
#include <xwos/lib/xwbop.h>
#include <xwos/osal/lock/mtx.h>
#include <xwcd/ds/device.h>
 
#define XWDS_LIN_DIAG_MSTREQ_MSG        0x3C
#define XWDS_LIN_DIAG_SLCREP_MSG        0x3D
#define XWDS_LIN_DEFAULT_DATA_SIZE      8
 
enum xwds_lin_mode_em {
        XWDS_LIN_MODE_CLOSE = 0,
        XWDS_LIN_MODE_TX = XWBOP_BIT(0),
        XWDS_LIN_MODE_RX = XWBOP_BIT(1),
};
 
enum xwds_lin_chksum_type_em {
        XWDS_LIN_CHKSUM_CLASSIC = 0,
        XWDS_LIN_CHKSUM_ENHANCED,
};
 
struct xwds_lin_msg {
        xwu8_t id;
        xwu8_t data[XWDS_LIN_DEFAULT_DATA_SIZE];
        xwu8_t size;
};
 
struct xwds_lin_msg_info {
        xwu8_t protected_id; 
        xwu8_t size; 
};
 
struct xwds_lin_cfg {
        xwu32_t baudrate; 
        union {
                struct {
                        xwu32_t mode:8; 
                        xwu32_t chksum:1; 
                        xwu32_t reserved:23;
                } bit;
                xwu32_t u32;
        } attr;
        void * xwccfg; 
};
 
struct xwds_linc;
 
struct xwds_linc_driver {
        struct xwds_driver base; 
        xwer_t (* msttx)(struct xwds_linc *, xwu8_t, struct xwds_lin_msg *,
                         xwtm_t /*to*/); 
        xwer_t (* slvtx)(struct xwds_linc *, struct xwds_lin_msg *,
                         xwtm_t /*to*/); 
        xwer_t (* rx)(struct xwds_linc *, struct xwds_lin_msg *,
                      xwtm_t /*to*/); 
};
 
struct xwds_linc {
        struct xwds_device dev; 
        /* attributes */
        const struct xwds_lin_cfg * cfg; 
        const struct xwds_lin_msg_info * msgitable; 
        xwsz_t msgitable_itemnum; 
        xwer_t ( *get_msg_size)(struct xwds_linc *,
                                xwu8_t ,
                                xwu8_t *); 
        /* private */
        struct xwos_mtx txlock; 
};
 
void xwds_linc_construct(struct xwds_linc * linc);
 
void xwds_linc_destruct(struct xwds_linc * linc);
 
xwer_t xwds_linc_grab(struct xwds_linc * linc);
 
xwer_t xwds_linc_put(struct xwds_linc * linc);
 
xwer_t xwds_linc_msttx(struct xwds_linc * linc,
                       xwu8_t id, struct xwds_lin_msg * msg,
                       xwtm_t to);
 
xwer_t xwds_linc_slvtx(struct xwds_linc * linc,
                       struct xwds_lin_msg * msg,
                       xwtm_t to);
 
xwer_t xwds_linc_rx(struct xwds_linc * linc,
                    struct xwds_lin_msg * msgbuf,
                    xwtm_t to);
 
xwer_t xwds_linc_get_msg_size(struct xwds_linc * linc,
                              xwu8_t protected_id,
                              xwu8_t * ret);
 
#endif /* xwcd/ds/lin/controller.h */