master.h

浏览该文件的文档.

 
#ifndef __xwcd_ds_spi_master_h__
#define __xwcd_ds_spi_master_h__
 
#include <xwcd/ds/standard.h>
#include <xwos/lib/xwbop.h>
#include <xwos/osal/lock/mtx.h>
#include <xwcd/ds/device.h>
 
struct xwds_spim;
 
struct xwds_spim_driver {
        struct xwds_driver base; 
        xwer_t (* xfer)(struct xwds_spim * /*spim*/, xwid_t /*cfgid*/,
                        const xwu8_t[] /*txd*/, xwu8_t * /*rxb*/,
                        xwsz_t * /*size*/, xwtm_t /*to*/); 
        xwer_t (* abort)(struct xwds_spim * /*spim*/,
                         xwtm_t /*to*/); 
};
 
struct xwds_spim {
        struct xwds_device dev; 
        /* attributes */
        void * buscfg; 
        xwsz_t buscfg_num; 
        /* private */
        struct {
                struct xwos_mtx apimtx; 
        } xfer; 
};
 
void xwds_spim_construct(struct xwds_spim * spim);
 
void xwds_spim_destruct(struct xwds_spim * spim);
 
xwer_t xwds_spim_grab(struct xwds_spim * spim);
 
xwer_t xwds_spim_put(struct xwds_spim * spim);
 
xwer_t xwds_spim_xfer(struct xwds_spim * spim, xwid_t cfgid,
                      const xwu8_t txd[], xwu8_t * rxb, xwsz_t * size,
                      xwtm_t to);
 
xwer_t xwds_spim_abort(struct xwds_spim * spim, xwtm_t to);
 
#endif /* xwcd/ds/spi/master.h */