ESP-IDF
i2c_obj_t::cmd_idx
is only used within ESP-IDF.
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ESP-IDF Framework and Examples
ESP-IDF
i2c_obj_t::cmd_idx
i2c_obj_t::cmd_idx field
record current command index, for master mode
Syntax
Show:
Summary
Declaration
from
i2c.c:186
int
cmd_idx
;
Examples
References
from
examples
Code
Location
Referrer
int
cmd_idx
;
/*!< record current command index, for master mode */
i2c.c:186
p_i2c
->
cmd_idx
=
0
;
i2c.c:325
i2c_driver_install()
p_i2c
->
cmd_idx
=
0
;
i2c.c:1417
i2c_master_cmd_begin_static()
i2c_ll_master_write_cmd_reg
(
i2c_context
[
i2c_num
]
.
hal
.
dev
,
hw_cmd
,
p_i2c
->
cmd_idx
)
;
i2c.c:1474
i2c_master_cmd_begin_static()
i2c_ll_master_write_cmd_reg
(
i2c_context
[
i2c_num
]
.
hal
.
dev
,
hw_end_cmd
,
p_i2c
->
cmd_idx
+
1
)
;
i2c.c:1475
i2c_master_cmd_begin_static()
p_i2c
->
cmd_idx
=
0
;
i2c.c:1477
i2c_master_cmd_begin_static()
i2c_ll_master_write_cmd_reg
(
i2c_context
[
i2c_num
]
.
hal
.
dev
,
hw_cmd
,
p_i2c
->
cmd_idx
)
;
i2c.c:1491
i2c_master_cmd_begin_static()
i2c_ll_master_write_cmd_reg
(
i2c_context
[
i2c_num
]
.
hal
.
dev
,
hw_end_cmd
,
p_i2c
->
cmd_idx
+
1
)
;
i2c.c:1492
i2c_master_cmd_begin_static()
i2c_ll_master_write_cmd_reg
(
i2c_context
[
i2c_num
]
.
hal
.
dev
,
hw_cmd
,
p_i2c
->
cmd_idx
)
;
i2c.c:1497
i2c_master_cmd_begin_static()
p_i2c
->
cmd_idx
++
;
i2c.c:1499
i2c_master_cmd_begin_static()
if
(
p_i2c
->
cmd_link
.
head
==
NULL
||
p_i2c
->
cmd_idx
>=
(
SOC_I2C_CMD_REG_NUM
-
1
)
)
{
i2c.c:1501
i2c_master_cmd_begin_static()
p_i2c
->
cmd_idx
=
0
;
i2c.c:1502
i2c_master_cmd_begin_static()
p_i2c
->
cmd_idx
=
0
;
i2c.c:1575
i2c_master_cmd_begin()
Call Tree
from
examples
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Data Use
from
examples
i2c_obj_t::cmd_idx
is written by 3 functions and is read by 1 function:
i2c_driver_install()
i2c_master_cmd_begin_static()
i2c_master_cmd_begin()
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i2c_obj_t::cmd_idx
i2c_master_cmd_begin_static()
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