ESP-IDF
g_i2s
is only used within ESP-IDF.
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ESP-IDF Framework and Examples
ESP-IDF
g_i2s
g_i2s variable
Global i2s platform object
Syntax
Show:
Summary
Declaration
Definition
from
i2s_private.h:225
extern
i2s_platform_t
g_i2s
;
Implemented in
i2s_platform.c:17
Examples
References
from
examples
Code
Location
Referrer
i2s_platform_t
g_i2s
=
{
i2s_platform.c:17
extern
i2s_platform_t
g_i2s
;
/*!< Global i2s instance for driver internal use */
i2s_private.h:225
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_common.c:252
i2s_acquire_controller_obj()
g_i2s
.
controller
[
id
]
=
i2s_obj
;
i2s_common.c:254
i2s_acquire_controller_obj()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_common.c:255
i2s_acquire_controller_obj()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_common.c:282
i2s_acquire_controller_obj()
if
(
g_i2s
.
controller
[
id
]
)
{
i2s_common.c:283
i2s_acquire_controller_obj()
i2s_obj
=
g_i2s
.
controller
[
id
]
;
i2s_common.c:284
i2s_acquire_controller_obj()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_common.c:286
i2s_acquire_controller_obj()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_common.c:305
i2s_take_available_channel()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_common.c:310
i2s_take_available_channel()
if
(
g_i2s
.
controller
[
id
]
->
mclk_out_hdl
==
NULL
)
{
i2s_common.c:908
i2s_check_set_mclk()
ESP_RETURN_ON_ERROR
(
esp_clock_output_start
(
clkout_sig
,
gpio_num
,
&
(
g_i2s
.
controller
[
id
]
->
mclk_out_hdl
)
)
,
TAG
,
"mclk configure failed"
)
;
i2s_common.c:911
i2s_check_set_mclk()
if
(
i2s_obj
==
g_i2s
.
controller
[
i
]
)
{
i2s_common.c:1017
i2s_new_channel()
i2s_destroy_controller_obj
(
&
g_i2s
.
controller
[
i
]
)
;
i2s_common.c:1018
i2s_new_channel()
i2s_destroy_controller_obj
(
&
g_i2s
.
controller
[
i2s_obj
->
id
]
)
;
i2s_common.c:1113
i2s_del_channel()
if
(
g_i2s
.
controller
[
i
]
!=
NULL
)
{
i2s_common.c:1128
i2s_channel_get_info()
if
(
g_i2s
.
controller
[
i
]
->
tx_chan
==
handle
||
i2s_common.c:1129
i2s_channel_get_info()
g_i2s
.
controller
[
i
]
->
rx_chan
==
handle
)
{
i2s_common.c:1130
i2s_channel_get_info()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_pdm.c:71
i2s_pdm_tx_set_clock()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_pdm.c:81
i2s_pdm_tx_set_clock()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_pdm.c:113
i2s_pdm_tx_set_slot()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_pdm.c:122
i2s_pdm_tx_set_slot()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_pdm.c:364
i2s_pdm_rx_set_clock()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_pdm.c:369
i2s_pdm_rx_set_clock()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_pdm.c:401
i2s_pdm_rx_set_slot()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_pdm.c:410
i2s_pdm_rx_set_slot()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_platform.c:40
i2s_platform_acquire_occupation()
if
(
(
!
g_i2s
.
controller
[
id
]
)
&&
(
g_i2s
.
comp_name
[
id
]
==
NULL
)
)
{
i2s_platform.c:41
i2s_platform_acquire_occupation()
g_i2s
.
comp_name
[
id
]
=
comp_name
;
i2s_platform.c:42
i2s_platform_acquire_occupation()
occupied_comp
=
g_i2s
.
comp_name
[
id
]
;
i2s_platform.c:50
i2s_platform_acquire_occupation()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_platform.c:53
i2s_platform_acquire_occupation()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_platform.c:85
i2s_platform_release_occupation()
if
(
!
g_i2s
.
controller
[
id
]
)
{
i2s_platform.c:86
i2s_platform_release_occupation()
g_i2s
.
comp_name
[
id
]
=
NULL
;
i2s_platform.c:87
i2s_platform_release_occupation()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_platform.c:96
i2s_platform_release_occupation()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_std.c:83
i2s_std_set_clock()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_std.c:92
i2s_std_set_clock()
portENTER_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_std.c:127
i2s_std_set_slot()
portEXIT_CRITICAL
(
&
g_i2s
.
spinlock
)
;
i2s_std.c:134
i2s_std_set_slot()
Call Tree
from
examples
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Data Use
from
examples
g_i2s
is read by 14 functions:
All items filtered out
g_i2s
i2s_platform_acquire_occupation()
i2s_platform_release_occupation()
i2s_acquire_controller_obj()
i2s_take_available_channel()
i2s_check_set_mclk()
i2s_new_channel()
i2s_del_channel()
i2s_channel_get_info()
i2s_std_set_clock()
i2s_std_set_slot()
i2s_pdm_tx_set_clock()
i2s_pdm_tx_set_slot()
i2s_pdm_rx_set_clock()
i2s_pdm_rx_set_slot()
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from
examples
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from
examples
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from
examples
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from
examples
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from
examples
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