7a13391b2b
* File worker: file operations helper. * Notification app: removed yield * File worker: write operations, calls to system file widgets * App ibutton: use file worker * Lfrfid: generic key loading, add path helper and hex conversion to lib * FileWorker: plain C verison * FileWorker: add to lib.mk * FileWorker: add to C sources, instead of CPP * Lfrfid: save scene * App lfrfid: add key scene, saved key menu * App lfrfid: saved key info scene * App lfrfid: delete key scene
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
#pragma once
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#include "m-string.h"
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#include "stdint.h"
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#include "stdbool.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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* @brief Extract first word from arguments string and trim arguments string
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*
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* @param args arguments string
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* @param word first word, output
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* @return true - success
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* @return false - arguments string does not contain anything
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*/
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bool args_read_string_and_trim(string_t args, string_t word);
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/**
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* @brief Convert hex ASCII values to byte array
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*
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* @param args arguments string
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* @param bytes byte array pointer, output
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* @param bytes_count needed bytes count
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* @return true - success
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* @return false - arguments string does not contain enough values, or contain non-hex ASCII values
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*/
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bool args_read_hex_bytes(string_t args, uint8_t* bytes, uint8_t bytes_count);
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/************************************ HELPERS ***************************************/
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/**
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* @brief Get length of first word from arguments string
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*
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* @param args arguments string
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* @return size_t length of first word
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*/
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size_t args_get_first_word_length(string_t args);
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/**
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* @brief Get length of arguments string
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*
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* @param args arguments string
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* @return size_t length of arguments string
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*/
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size_t args_length(string_t args);
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/**
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* @brief Convert ASCII hex values to byte
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*
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* @param hi_nibble ASCII hi nibble character
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* @param low_nibble ASCII low nibble character
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* @param byte byte pointer, output
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* @return bool conversion status
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*/
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bool args_char_to_hex(char hi_nibble, char low_nibble, uint8_t* byte);
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#ifdef __cplusplus
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}
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#endif |