ESP-IDF
s_ddp
is only used within ESP-IDF.
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ESP-IDF Framework and Examples
ESP-IDF
s_ddp
s_ddp variable
Syntax
Show:
Summary
Declaration
from
dac_dma.c:43
static
dac_dma_periph_i2s_t
*
s_ddp
=
NULL
;
Examples
References
from
examples
Code
Location
Referrer
static
dac_dma_periph_i2s_t
*
s_ddp
=
NULL
;
// Static DAC DMA peripheral structure pointer
dac_dma.c:43
i2s_ll_tx_clk_set_src
(
s_ddp
->
periph_dev
,
is_apll
?
I2S_CLK_SRC_APLL
:
I2S_CLK_SRC_DEFAULT
)
;
dac_dma.c:100
s_dac_dma_periph_set_clock()
i2s_ll_tx_set_mclk
(
s_ddp
->
periph_dev
,
&
mclk_div_coeff
)
;
dac_dma.c:103
s_dac_dma_periph_set_clock()
i2s_ll_tx_set_bck_div_num
(
s_ddp
->
periph_dev
,
bclk_div
)
;
dac_dma.c:104
s_dac_dma_periph_set_clock()
s_ddp
=
(
dac_dma_periph_i2s_t
*
)
heap_caps_calloc
(
1
,
sizeof
(
dac_dma_periph_i2s_t
)
,
MALLOC_CAP_INTERNAL
|
MALLOC_CAP_8BIT
)
;
dac_dma.c:118
dac_dma_periph_init()
ESP_GOTO_ON_FALSE
(
s_ddp
,
ESP_ERR_NO_MEM
,
err
,
TAG
,
"No memory for DAC DMA object"
)
;
dac_dma.c:119
dac_dma_periph_init()
s_ddp
->
periph_dev
=
(
void
*
)
I2S_LL_GET_HW
(
DAC_DMA_PERIPH_I2S_NUM
)
;
dac_dma.c:120
dac_dma_periph_init()
s_ddp
->
use_apll
=
true
;
dac_dma.c:124
dac_dma_periph_init()
i2s_ll_enable_builtin_adc_dac
(
s_ddp
->
periph_dev
,
true
)
;
dac_dma.c:128
dac_dma_periph_init()
i2s_ll_tx_reset
(
s_ddp
->
periph_dev
)
;
dac_dma.c:129
dac_dma_periph_init()
i2s_ll_tx_set_slave_mod
(
s_ddp
->
periph_dev
,
false
)
;
dac_dma.c:130
dac_dma_periph_init()
i2s_ll_tx_set_sample_bit
(
s_ddp
->
periph_dev
,
DAC_DMA_PERIPH_I2S_BIT_WIDTH
,
DAC_DMA_PERIPH_I2S_BIT_WIDTH
)
;
dac_dma.c:131
dac_dma_periph_init()
i2s_ll_tx_enable_mono_mode
(
s_ddp
->
periph_dev
,
!
is_alternate
)
;
dac_dma.c:132
dac_dma_periph_init()
i2s_ll_tx_select_std_slot
(
s_ddp
->
periph_dev
,
I2S_STD_SLOT_BOTH
,
!
is_alternate
)
;
dac_dma.c:133
dac_dma_periph_init()
i2s_ll_tx_enable_msb_shift
(
s_ddp
->
periph_dev
,
false
)
;
dac_dma.c:134
dac_dma_periph_init()
i2s_ll_tx_set_ws_width
(
s_ddp
->
periph_dev
,
DAC_DMA_PERIPH_I2S_BIT_WIDTH
)
;
dac_dma.c:135
dac_dma_periph_init()
i2s_ll_tx_enable_msb_right
(
s_ddp
->
periph_dev
,
false
)
;
dac_dma.c:136
dac_dma_periph_init()
i2s_ll_tx_enable_right_first
(
s_ddp
->
periph_dev
,
true
)
;
dac_dma.c:137
dac_dma_periph_init()
i2s_ll_tx_force_enable_fifo_mod
(
s_ddp
->
periph_dev
,
true
)
;
dac_dma.c:139
dac_dma_periph_init()
i2s_ll_dma_enable_auto_write_back
(
s_ddp
->
periph_dev
,
true
)
;
dac_dma.c:140
dac_dma_periph_init()
i2s_ll_enable_intr
(
s_ddp
->
periph_dev
,
I2S_LL_EVENT_TX_EOF
|
I2S_LL_EVENT_TX_TEOF
,
true
)
;
dac_dma.c:142
dac_dma_periph_init()
if
(
!
s_ddp
)
{
dac_dma.c:152
dac_dma_periph_deinit()
ESP_RETURN_ON_FALSE
(
s_ddp
->
intr_handle
==
NULL
,
ESP_ERR_INVALID_STATE
,
TAG
,
"The interrupt is not deregistered yet"
)
;
dac_dma.c:156
dac_dma_periph_deinit()
i2s_ll_enable_intr
(
s_ddp
->
periph_dev
,
I2S_LL_EVENT_TX_EOF
|
I2S_LL_EVENT_TX_TEOF
,
false
)
;
dac_dma.c:158
dac_dma_periph_deinit()
if
(
s_ddp
->
use_apll
)
{
dac_dma.c:159
dac_dma_periph_deinit()
s_ddp
->
use_apll
=
false
;
dac_dma.c:161
dac_dma_periph_deinit()
free
(
s_ddp
)
;
dac_dma.c:163
dac_dma_periph_deinit()
s_ddp
=
NULL
;
dac_dma.c:164
dac_dma_periph_deinit()
i2s_ll_tx_reset
(
s_ddp
->
periph_dev
)
;
dac_dma.c:176
s_dac_dma_periph_reset()
i2s_ll_tx_reset_dma
(
s_ddp
->
periph_dev
)
;
dac_dma.c:177
s_dac_dma_periph_reset()
i2s_ll_tx_reset_fifo
(
s_ddp
->
periph_dev
)
;
dac_dma.c:178
s_dac_dma_periph_reset()
i2s_ll_enable_dma
(
s_ddp
->
periph_dev
,
true
)
;
dac_dma.c:183
s_dac_dma_periph_start()
i2s_ll_tx_enable_intr
(
s_ddp
->
periph_dev
)
;
dac_dma.c:184
s_dac_dma_periph_start()
i2s_ll_tx_start
(
s_ddp
->
periph_dev
)
;
dac_dma.c:185
s_dac_dma_periph_start()
i2s_ll_dma_enable_eof_on_fifo_empty
(
s_ddp
->
periph_dev
,
true
)
;
dac_dma.c:186
s_dac_dma_periph_start()
i2s_ll_dma_enable_auto_write_back
(
s_ddp
->
periph_dev
,
true
)
;
dac_dma.c:187
s_dac_dma_periph_start()
i2s_ll_tx_stop
(
s_ddp
->
periph_dev
)
;
dac_dma.c:192
s_dac_dma_periph_stop()
i2s_ll_tx_stop_link
(
s_ddp
->
periph_dev
)
;
dac_dma.c:193
s_dac_dma_periph_stop()
i2s_ll_tx_disable_intr
(
s_ddp
->
periph_dev
)
;
dac_dma.c:194
s_dac_dma_periph_stop()
i2s_ll_enable_dma
(
s_ddp
->
periph_dev
,
false
)
;
dac_dma.c:195
s_dac_dma_periph_stop()
i2s_ll_dma_enable_eof_on_fifo_empty
(
s_ddp
->
periph_dev
,
false
)
;
dac_dma.c:196
s_dac_dma_periph_stop()
i2s_ll_dma_enable_auto_write_back
(
s_ddp
->
periph_dev
,
false
)
;
dac_dma.c:197
s_dac_dma_periph_stop()
uint32_t
status
=
i2s_ll_get_intr_status
(
s_ddp
->
periph_dev
)
;
dac_dma.c:218
dac_dma_periph_intr_is_triggered()
i2s_ll_clear_intr_status
(
s_ddp
->
periph_dev
,
status
)
;
dac_dma.c:223
dac_dma_periph_intr_is_triggered()
i2s_ll_tx_get_eof_des_addr
(
s_ddp
->
periph_dev
,
&
finish_desc
)
;
dac_dma.c:233
dac_dma_periph_intr_get_eof_desc()
i2s_ll_tx_start_link
(
s_ddp
->
periph_dev
,
desc_addr
)
;
dac_dma.c:239
dac_dma_periph_dma_trans_start()
Call Tree
from
examples
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Data Use
from
examples
s_ddp
is written by 2 functions and is read by 9 functions:
dac_dma_periph_init()
dac_dma_periph_deinit()
All items filtered out
s_ddp
s_dac_dma_periph_set_clock()
dac_dma_periph_init()
dac_dma_periph_deinit()
s_dac_dma_periph_reset()
s_dac_dma_periph_start()
s_dac_dma_periph_stop()
dac_dma_periph_intr_is_triggered()
dac_dma_periph_intr_get_eof_desc()
dac_dma_periph_dma_trans_start()
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from
examples
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from
examples
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from
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from
examples
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