77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/**
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* @file sdrv_res.h
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*
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* Copyright (c) 2020 Semidrive Semiconductor.
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* All rights reserved.
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*
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* Description: sdrv res header.
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*
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* Revision History:
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* -----------------
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*/
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#ifndef SDRV_RES_H
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#define SDRV_RES_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdint.h>
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/*********************
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* DEFINES
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*********************/
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/*Use this macro to declare an res in a c file*/
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#define SDRV_RES_DECLARE(var_name) extern const sdrv_res_dsc_t var_name;
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/**********************
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* TYPEDEFS
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**********************/
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/*sdrv res format*/
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#define SDRV_RES_FORMAT_UNKNOWN 0
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#define SDRV_RES_FORMAT_BIN_RAW 1 /**< Contains the file as it is. Needs custom decoder function */
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#define SDRV_RES_FORMAT_DATA_RAW 2 /**< Contains the data as it is. NO Needs custom decoder function */
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typedef uint8_t sdrv_res_format_t;
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/**
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* sdrv res header
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*/
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/* The first 8 bit is very important to distinguish the different source types.
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* For more info see `lv_img_get_src_type()` in lv_img.c
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* On big endian systems the order is reversed so cf and always_zero must be at
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* the end of the struct.
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* */
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typedef struct {
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uint32_t rf : 5; /* res format: See `sdrv_res_format_t`*/
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uint32_t always_zero : 3; /*It the upper bits of the first byte. Always zero to look like a
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non-printable character*/
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uint32_t reserved : 24; /*Reserved to be used later*/
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} sdrv_res_header_t;
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/** sdrv res header it is compatible with
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* the result from sdrv res converter utility*/
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typedef struct {
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sdrv_res_header_t header;
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uint32_t data_size;
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const uint8_t * data;
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} sdrv_res_dsc_t;
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*SDRV_RES_H*/ |