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feat(adc): support ADC single ended oneshot and continuous mode on ESP32-S31

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This commit is contained in:
gaoxu
2026-05-14 16:31:29 +08:00
parent 315b6547ff
commit 03c8862a9f
40 changed files with 1315 additions and 105 deletions
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examples/peripherals/adc/continuous_read/README.md
+2 -2
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@@ -1,5 +1,5 @@
| Supported Targets | ESP32 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-H2 | ESP32-H4 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- | --------- | -------- | -------- | -------- | -------- | -------- |
| Supported Targets | ESP32 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-H2 | ESP32-H4 | ESP32-P4 | ESP32-S2 | ESP32-S3 | ESP32-S31 |
| ----------------- | ----- | -------- | -------- | -------- | --------- | -------- | -------- | -------- | -------- | -------- | --------- |
# ADC DMA Example
examples/peripherals/adc/continuous_read/main/continuous_read_main.c
+6 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -7,6 +7,7 @@
#include <string.h>
#include <stdio.h>
#include "sdkconfig.h"
#include "soc/soc_caps.h"
#include "esp_log.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
@@ -15,7 +16,11 @@
#define EXAMPLE_ADC_UNIT ADC_UNIT_1
#define EXAMPLE_ADC_CONV_MODE ADC_CONV_SINGLE_UNIT_1
#if SOC_ADC_ATTEN_NUM <= 1
#define EXAMPLE_ADC_ATTEN ADC_ATTEN_DB_0
#else
#define EXAMPLE_ADC_ATTEN ADC_ATTEN_DB_12
#endif
#define EXAMPLE_ADC_BIT_WIDTH SOC_ADC_DIGI_MAX_BITWIDTH
#define EXAMPLE_READ_LEN 256
examples/peripherals/adc/continuous_read/pytest_adc_continuous.py
+1 -1
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@@ -8,7 +8,7 @@ from pytest_embedded_idf.utils import idf_parametrize
@pytest.mark.adc
@idf_parametrize(
'target',
['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2', 'esp32c5', 'esp32p4', 'esp32c61'],
['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2', 'esp32c5', 'esp32p4', 'esp32c61', 'esp32s31'],
indirect=['target'],
)
def test_adc_continuous(dut: Dut) -> None:
examples/peripherals/adc/oneshot_read/README.md
+2 -2
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@@ -1,5 +1,5 @@
| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-H2 | ESP32-H4 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | -------- | -------- | -------- | -------- |
| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-H2 | ESP32-H4 | ESP32-P4 | ESP32-S2 | ESP32-S3 | ESP32-S31 |
| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | -------- | -------- | -------- | -------- | --------- |
# ADC Single Read Example
examples/peripherals/adc/oneshot_read/main/oneshot_read_main.c
+4
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@@ -41,7 +41,11 @@ const static char *TAG = "EXAMPLE";
#define EXAMPLE_ADC2_CHAN0 ADC_CHANNEL_0
#endif //#if EXAMPLE_USE_ADC2
#if SOC_ADC_ATTEN_NUM <= 1
#define EXAMPLE_ADC_ATTEN ADC_ATTEN_DB_0
#else
#define EXAMPLE_ADC_ATTEN ADC_ATTEN_DB_12
#endif
static int adc_raw[2][10];
static int voltage[2][10];
examples/peripherals/adc/oneshot_read/pytest_adc_oneshot.py
+1 -1
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@@ -8,7 +8,7 @@ from pytest_embedded_idf.utils import idf_parametrize
@pytest.mark.adc
@idf_parametrize(
'target',
['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2', 'esp32c5', 'esp32p4', 'esp32c61'],
['esp32', 'esp32s2', 'esp32s3', 'esp32c3', 'esp32c6', 'esp32h2', 'esp32c5', 'esp32p4', 'esp32c61', 'esp32s31'],
indirect=['target'],
)
def test_adc_oneshot(dut: Dut) -> None: