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SourceVuESP-IDF Framework and ExamplesESP-IDFi2c_cmd_allocate()

i2c_cmd_allocate() function

Syntax

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Summary

Declaration

from i2c.c:1208

static esp_err_t i2c_cmd_allocate(i2c_cmd_desc_t *cmd_desc, size_t n, size_t size, void** outptr);

Arguments

Argument

cmd_desc

size

outptr

References

Code

Location

Referrer

static esp_err_t i2c_cmd_allocate(i2c_cmd_desc_t *cmd_desc, size_t n, size_t size, void** outptr)

i2c.c:1208

err = i2c_cmd_allocate(cmd_desc, 1, sizeof(i2c_cmd_link_t), (void**) &cmd_desc->head);

i2c.c:1259

i2c_cmd_link_append()

err = i2c_cmd_allocate(cmd_desc, 1, sizeof(i2c_cmd_link_t), (void**) &cmd_desc->cur->next);

i2c.c:1268

i2c_cmd_link_append()

Call Tree

i2c_cmd_allocate() is called by 1 function and calls 2 functions:

i2c_cmd_link_append()

i2c_cmd_allocate()

heap_caps_calloc()

i2c_cmd_link_is_static()

Data Use

i2c_cmd_allocate() reads 2 variables and writes 2 variables:

i2c_cmd_desc_t::free_buffer

i2c_cmd_desc_t::free_size

i2c_cmd_allocate()

i2c_cmd_desc_t::free_buffer

i2c_cmd_desc_t::free_size

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i2c_cmd_allocate() function

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