4ad5245969
* App lfrfid: update emulator to process external data. * App lfrfid: cleanup emulator * App lfrfid: cli interface * Lib: arguments parser lib Co-authored-by: あく <alleteam@gmail.com>
70 lines
1.7 KiB
C
70 lines
1.7 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 value to nibble
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*
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* @param c ASCII character
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* @param nibble nibble pointer, output
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* @return bool conversion status
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*/
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bool args_char_to_hex_nibble(char c, uint8_t* nibble);
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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 |