sync.h

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/*
 * Copyright (c) 2024 ykat UG (haftungsbeschraenkt) - All Rights Reserved
 *
 * Permission for non-commercial use is hereby granted,
 * free of charge, without warranty of any kind.
 */
#ifndef ZRTOS_VFS_MODULE_AVR_SPI_SYNC_H
#define ZRTOS_VFS_MODULE_AVR_SPI_SYNC_H
#ifdef __cplusplus
extern "C" {
#endif

#include <avr/io.h>
#include <avr/interrupt.h>

#include <zrtos/cast.h>
#include <zrtos/types.h>
#include <zrtos/vfs/module/spi/sync.h>


zrtos_error_t zrtos_vfs_module_avr_spi_sync__on_write_callback(
     zrtos_vfs_module_spi_sync_inode_t *inode_data
    ,zrtos_vfs_module_spi_sync_file_t *file_data
    ,void *buf
    ,size_t len
    ,size_t *l
){
    zrtos_error_t ret = ZRTOS_ERRROR__SUCCESS;
    uint8_t *data_out = ZRTOS_CAST(uint8_t*,buf);
    SPCR = file_data->control;
    while(len--){
        SPDR = *data_out;
        while(!(SPSR & (1<<SPIF))){
            continue;
        }
        *data_out++ = SPDR;
    }
    SPCR = 0;
    *l = zrtos_types__ptr_get_byte_distance(data_out,buf);
    return ret;
}

zrtos_error_t zrtos_vfs_module_avr_spi_sync__on_write(
     zrtos_vfs_file_t *thiz
    ,char *path
    ,void *buf
    ,size_t len
    ,zrtos_vfs_offset_t offset
    ,size_t *out
){
    return zrtos_vfs_module_spi_sync__on_write_helper(
         thiz
        ,path
        ,buf
        ,len
        ,offset
        ,out
        ,zrtos_vfs_module_avr_spi_sync__on_write_callback
    );
}

ZRTOS_VFS_PLUGIN__INIT(spi,
    ZRTOS_VFS_PLUGIN__0_ON_OPEN(zrtos_vfs_module_spi_sync__on_open)
    ZRTOS_VFS_PLUGIN__1_ON_CLOSE(zrtos_vfs_module_spi_sync__on_close)
    ZRTOS_VFS_PLUGIN__2_ON_MOUNT(zrtos_vfs_module_spi_sync__on_mount)
    ZRTOS_VFS_PLUGIN__3_ON_UMOUNT(zrtos_vfs_module_spi_sync__on_umount)
    ZRTOS_VFS_PLUGIN__4_ON_READ_DEFAULT()
    ZRTOS_VFS_PLUGIN__5_ON_WRITE(zrtos_vfs_module_avr_spi_sync__on_write)
    ZRTOS_VFS_PLUGIN__6_ON_CAN_READ_DEFAULT()
    ZRTOS_VFS_PLUGIN__7_ON_CAN_WRITE_DEFAULT()
    ZRTOS_VFS_PLUGIN__8_ON_SEEK_DEFAULT()
    ZRTOS_VFS_PLUGIN__9_ON_IOCTL_DEFAULT()
);


#ifdef __cplusplus
}
#endif
#endif