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Summary Syntax Arguments References

SourceVuESP-IDF Framework and Examplesi2c_oled samplehex_char_to_num()

hex_char_to_num() function

STATIC FUNCTIONS Convert a hexadecimal characters to a number (0..15)

Syntax

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Summary

Declaration

Definition

from lv_draw_label.c:37

static uint8_t hex_char_to_num(char hex);

Implemented in lv_draw_label.c:380

Arguments

Argument

Description

hex

Pointer to a hexadecimal character (0..9, A..F)

Return value

the numerical value of `hex` or 0 on error

Examples

References

from examples