mirror of
https://github.com/apache/nuttx.git
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boards/xtensa: ADC support on Espressif devices
Adds adc defconfig and board support for: esp32-devkitc, esp32s2-saola-1 and esp32s3-devkit. Signed-off-by: Filipe Cavalcanti <filipe.cavalcanti@espressif.com>
This commit is contained in:
Filipe Cavalcanti
committed by
Xiang Xiao
Xiang Xiao
parent
55fbf93c9c
commit
643b3586c3
@@ -0,0 +1,79 @@
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/****************************************************************************
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* boards/xtensa/esp32/common/include/esp32_board_adc.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_ADC_H
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#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_ADC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: board_adc_init
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*
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* Description:
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* Initialize and configuree the ADC driver for the board.
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* It registers the ADC channels specified in the configuration and ensures
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* that the ADC hardware is properly set up for use.
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*
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* Input Parameters:
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* None.
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*
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* Returned Value:
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* Returns zero (OK) on successful initialization and registration of the
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* ADC channels; a negated errno value is returned to indicate the nature
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* of any failure.
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*
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****************************************************************************/
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#ifdef CONFIG_ESPRESSIF_ADC
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int board_adc_init(void);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_ADC_H */
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@@ -26,6 +26,10 @@ ifeq ($(CONFIG_WATCHDOG),y)
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CSRCS += esp32_board_wdt.c
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endif
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ifeq ($(CONFIG_ESPRESSIF_ADC),y)
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CSRCS += esp32_board_adc.c
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endif
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ifeq ($(CONFIG_ONESHOT),y)
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CSRCS += esp32_oneshot.c
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endif
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@@ -0,0 +1,248 @@
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/****************************************************************************
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* boards/xtensa/esp32/common/src/esp32_board_adc.c
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <syslog.h>
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#include <nuttx/analog/adc.h>
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#include "espressif/esp_adc.h"
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#include "esp32_board_adc.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* The number of channels for each ADC */
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#define ADC_1_MAX_CHANNELS 8
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#define ADC_2_MAX_CHANNELS 10
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* Select channels to be used for each ADC.
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*
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* GPIOs are fixed for each channel and configured in the lower-half driver.
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*
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* ADC 1
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* Channel: 0 1 2 3 4 5 6 7
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* GPIO: 36 37 38 39 32 33 34 35
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*
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* ADC 2
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* Channel: 0 1 2 3 4 5 6 7 8 9
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* GPIO: 4 0 2 15 13 12 14 27 25 26
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*
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* On the chanlist arrays below, channels are added +1. Do not change.
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* Important: if using more than 8 channels, edit CONFIG_ADC_FIFOSIZE.
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*/
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#ifdef CONFIG_ESPRESSIF_ADC_1
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static const uint8_t g_chanlist_adc1[ADC_1_MAX_CHANNELS] =
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{
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#ifdef CONFIG_ESPRESSIF_ADC_1_CH0
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1,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_1_CH1
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2,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_1_CH2
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3,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_1_CH3
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4,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_1_CH4
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5,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_1_CH5
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6,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_1_CH6
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7,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_1_CH7
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8,
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#endif
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};
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2
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static const uint8_t g_chanlist_adc2[ADC_2_MAX_CHANNELS] =
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{
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH0
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1,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH1
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2,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH2
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3,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH3
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4,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH4
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5,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH5
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6,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH6
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7,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH7
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8,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH8
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9,
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2_CH9
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10
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#endif
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};
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_adc_register
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*
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* Description:
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* This function registers the ADC driver for the specified ADC channel.
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* It initializes the ADC hardware, creates the device name, and registers
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* the ADC device with the system.
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*
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* Input Parameters:
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* adc_num - The ADC channel number to register.
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*
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* Returned Value:
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* Returns zero (OK) on successful registration; a negated errno value is
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* returned to indicate the nature of any failure.
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*
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****************************************************************************/
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static int board_adc_register(int adc_num)
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{
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int ret;
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char devname[12];
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struct adc_dev_s *adcdev;
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adcdev = kmm_malloc(sizeof(struct adc_dev_s));
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if (adcdev == NULL)
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{
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syslog(LOG_ERR, "ERROR: Failed to allocate adc_dev_s instance\n");
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return -ENOMEM;
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}
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memset(adcdev, 0, sizeof(struct adc_dev_s));
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switch (adc_num)
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{
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case 1:
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#ifdef CONFIG_ESPRESSIF_ADC_1
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adcdev = esp_adc_initialize(adc_num, g_chanlist_adc1);
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break;
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#endif
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case 2:
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#ifdef CONFIG_ESPRESSIF_ADC_2
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adcdev = esp_adc_initialize(adc_num, g_chanlist_adc2);
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break;
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#endif
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default:
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syslog(LOG_ERR, "ERROR: Unsupported ADC number: %d\n", adc_num);
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return ERROR;
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}
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if (adcdev == NULL)
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{
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syslog(LOG_ERR, "ERROR: Failed to initialize ADC %d\n", adc_num);
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return -ENODEV;
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}
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/* Register the ADC driver at "/dev/adcx" */
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snprintf(devname, sizeof(devname), "/dev/adc%d", adc_num - 1);
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ret = adc_register(devname, adcdev);
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if (ret < 0)
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{
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kmm_free(adcdev);
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syslog(LOG_ERR, "ERROR: adc_register %s failed: %d\n", devname, ret);
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return ret;
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}
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return ret;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_adc_init
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*
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* Description:
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* Initialize and configuree the ADC driver for the board.
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* It registers the ADC channels specified in the configuration and ensures
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* that the ADC hardware is properly set up for use.
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*
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* Input Parameters:
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* None.
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*
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* Returned Value:
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* Returns zero (OK) on successful initialization and registration of the
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* ADC channels; a negated errno value is returned to indicate the nature
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* of any failure.
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*
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****************************************************************************/
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int board_adc_init(void)
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{
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int ret;
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#ifdef CONFIG_ESPRESSIF_ADC_1
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ret = board_adc_register(1);
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if (ret != OK)
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{
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return ret;
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}
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC_2
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ret = board_adc_register(2);
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if (ret != OK)
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{
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return ret;
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}
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#endif
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return ret;
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}
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@@ -0,0 +1,49 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_ARCH_LEDS is not set
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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CONFIG_ARCH="xtensa"
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CONFIG_ARCH_BOARD="esp32-devkitc"
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CONFIG_ARCH_BOARD_COMMON=y
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CONFIG_ARCH_BOARD_ESP32_DEVKITC=y
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CONFIG_ARCH_CHIP="esp32"
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CONFIG_ARCH_CHIP_ESP32=y
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CONFIG_ARCH_CHIP_ESP32WROVER=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_ARCH_XTENSA=y
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CONFIG_BOARD_LOOPSPERMSEC=16717
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CONFIG_BUILTIN=y
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CONFIG_ESP32_UART0=y
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CONFIG_ESPRESSIF_ADC=y
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CONFIG_EXAMPLES_ADC=y
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CONFIG_EXAMPLES_ADC_SWTRIG=y
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CONFIG_FS_PROCFS=y
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_IDLETHREAD_STACKSIZE=3072
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CONFIG_INIT_ENTRYPOINT="nsh_main"
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CONFIG_INIT_STACKSIZE=3072
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CONFIG_INTELHEX_BINARY=y
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CONFIG_LINE_MAX=64
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CONFIG_MM_REGIONS=3
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CONFIG_NSH_ARCHINIT=y
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_READLINE=y
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_RAM_SIZE=114688
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CONFIG_RAM_START=0x20000000
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_START_DAY=6
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CONFIG_START_MONTH=12
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CONFIG_START_YEAR=2011
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CONFIG_SYSLOG_BUFFER=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_UART0_SERIAL_CONSOLE=y
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@@ -187,6 +187,10 @@
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# include "espressif/esp_espnow_pktradio.h"
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC
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# include "esp32_board_adc.h"
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#endif
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#include "esp32-devkitc.h"
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/****************************************************************************
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@@ -777,6 +781,14 @@ int esp32_bringup(void)
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}
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#endif
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#ifdef CONFIG_ESPRESSIF_ADC
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ret = board_adc_init();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: board_adc_init failed: %d\n", ret);
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}
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#endif
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/* If we got here then perhaps not all initialization was successful, but
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* at least enough succeeded to bring-up NSH with perhaps reduced
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* capabilities.
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@@ -0,0 +1,79 @@
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/****************************************************************************
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* boards/xtensa/esp32s2/common/include/esp32s2_board_adc.h
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*
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* SPDX-License-Identifier: Apache-2.0
|
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*
|
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* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
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#ifndef __BOARDS_XTENSA_ESP32S2_COMMON_INCLUDE_ESP32S2_BOARD_ADC_H
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#define __BOARDS_XTENSA_ESP32S2_COMMON_INCLUDE_ESP32S2_BOARD_ADC_H
|
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|
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/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_adc_init
|
||||
*
|
||||
* Description:
|
||||
* Initialize and configuree the ADC driver for the board.
|
||||
* It registers the ADC channels specified in the configuration and ensures
|
||||
* that the ADC hardware is properly set up for use.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None.
|
||||
*
|
||||
* Returned Value:
|
||||
* Returns zero (OK) on successful initialization and registration of the
|
||||
* ADC channels; a negated errno value is returned to indicate the nature
|
||||
* of any failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC
|
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int board_adc_init(void);
|
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#endif
|
||||
|
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#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __BOARDS_XTENSA_ESP32S2_COMMON_INCLUDE_ESP32S2_BOARD_ADC_H */
|
||||
@@ -22,6 +22,10 @@
|
||||
|
||||
ifeq ($(CONFIG_ARCH_BOARD_COMMON),y)
|
||||
|
||||
ifeq ($(CONFIG_ESPRESSIF_ADC),y)
|
||||
CSRCS += esp32s2_board_adc.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_WATCHDOG),y)
|
||||
CSRCS += esp32s2_board_wdt.c
|
||||
endif
|
||||
|
||||
@@ -0,0 +1,253 @@
|
||||
/****************************************************************************
|
||||
* boards/xtensa/esp32s2/common/src/esp32s2_board_adc.c
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <stdio.h>
|
||||
#include <syslog.h>
|
||||
|
||||
#include <nuttx/analog/adc.h>
|
||||
|
||||
#include "espressif/esp_adc.h"
|
||||
|
||||
#include "esp32s2_board_adc.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* The number of channels for each ADC */
|
||||
|
||||
#define ADC_MAX_CHANNELS 10
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/* Select channels to be used for each ADC.
|
||||
*
|
||||
* GPIOs are fixed for each channel and configured in the lower-half driver.
|
||||
*
|
||||
* ADC 1
|
||||
* Channel: 0 1 2 3 4 5 6 7 8 9
|
||||
* GPIO: 1 2 3 4 5 6 7 8 9 10
|
||||
*
|
||||
* ADC 2
|
||||
* Channel: 0 1 2 3 4 5 6 7 8 9
|
||||
* GPIO: 11 12 13 14 15 16 17 18 19 20
|
||||
|
||||
* On the chanlist arrays below, channels are added +1. Do not change.
|
||||
* Important: if using more than 8 channels, edit CONFIG_ADC_FIFOSIZE.
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1
|
||||
static const uint8_t g_chanlist_adc1[ADC_MAX_CHANNELS] =
|
||||
{
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH0
|
||||
1,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH1
|
||||
2,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH2
|
||||
3,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH3
|
||||
4,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH4
|
||||
5,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH5
|
||||
6,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH6
|
||||
7,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH7
|
||||
8,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH8
|
||||
9,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH9
|
||||
10
|
||||
#endif
|
||||
};
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2
|
||||
static const uint8_t g_chanlist_adc2[ADC_MAX_CHANNELS] =
|
||||
{
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH0
|
||||
1,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH1
|
||||
2,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH2
|
||||
3,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH3
|
||||
4,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH4
|
||||
5,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH5
|
||||
6,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH6
|
||||
7,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH7
|
||||
8,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH8
|
||||
9,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH9
|
||||
10
|
||||
#endif
|
||||
};
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_adc_register
|
||||
*
|
||||
* Description:
|
||||
* This function registers the ADC driver for the specified ADC channel.
|
||||
* It initializes the ADC hardware, creates the device name, and registers
|
||||
* the ADC device with the system.
|
||||
*
|
||||
* Input Parameters:
|
||||
* adc_num - The ADC channel number to register.
|
||||
*
|
||||
* Returned Value:
|
||||
* Returns zero (OK) on successful registration; a negated errno value is
|
||||
* returned to indicate the nature of any failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int board_adc_register(int adc_num)
|
||||
{
|
||||
int ret;
|
||||
char devname[12];
|
||||
struct adc_dev_s *adcdev;
|
||||
|
||||
adcdev = kmm_malloc(sizeof(struct adc_dev_s));
|
||||
if (adcdev == NULL)
|
||||
{
|
||||
syslog(LOG_ERR, "ERROR: Failed to allocate adc_dev_s instance\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
memset(adcdev, 0, sizeof(struct adc_dev_s));
|
||||
|
||||
switch (adc_num)
|
||||
{
|
||||
case 1:
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1
|
||||
adcdev = esp_adc_initialize(adc_num, g_chanlist_adc1);
|
||||
break;
|
||||
#endif
|
||||
case 2:
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2
|
||||
adcdev = esp_adc_initialize(adc_num, g_chanlist_adc2);
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
syslog(LOG_ERR, "ERROR: Unsupported ADC number: %d\n", adc_num);
|
||||
return ERROR;
|
||||
}
|
||||
|
||||
if (adcdev == NULL)
|
||||
{
|
||||
syslog(LOG_ERR, "ERROR: Failed to initialize ADC %d\n", adc_num);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Register the ADC driver at "/dev/adcx" */
|
||||
|
||||
snprintf(devname, sizeof(devname), "/dev/adc%d", adc_num - 1);
|
||||
ret = adc_register(devname, adcdev);
|
||||
if (ret < 0)
|
||||
{
|
||||
kmm_free(adcdev);
|
||||
syslog(LOG_ERR, "ERROR: adc_register %s failed: %d\n", devname, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_adc_init
|
||||
*
|
||||
* Description:
|
||||
* Initialize and configuree the ADC driver for the board.
|
||||
* It registers the ADC channels specified in the configuration and ensures
|
||||
* that the ADC hardware is properly set up for use.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None.
|
||||
*
|
||||
* Returned Value:
|
||||
* Returns zero (OK) on successful initialization and registration of the
|
||||
* ADC channels; a negated errno value is returned to indicate the nature
|
||||
* of any failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int board_adc_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1
|
||||
ret = board_adc_register(1);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2
|
||||
ret = board_adc_register(2);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
return ret;
|
||||
}
|
||||
@@ -0,0 +1,48 @@
|
||||
#
|
||||
# This file is autogenerated: PLEASE DO NOT EDIT IT.
|
||||
#
|
||||
# You can use "make menuconfig" to make any modifications to the installed .config file.
|
||||
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
|
||||
# modifications.
|
||||
#
|
||||
# CONFIG_ARCH_LEDS is not set
|
||||
# CONFIG_NSH_ARGCAT is not set
|
||||
# CONFIG_NSH_CMDOPT_HEXDUMP is not set
|
||||
CONFIG_ARCH="xtensa"
|
||||
CONFIG_ARCH_BOARD="esp32s2-saola-1"
|
||||
CONFIG_ARCH_BOARD_COMMON=y
|
||||
CONFIG_ARCH_BOARD_ESP32S2_SAOLA_1=y
|
||||
CONFIG_ARCH_CHIP="esp32s2"
|
||||
CONFIG_ARCH_CHIP_ESP32S2=y
|
||||
CONFIG_ARCH_CHIP_ESP32S2WROVER=y
|
||||
CONFIG_ARCH_STACKDUMP=y
|
||||
CONFIG_ARCH_XTENSA=y
|
||||
CONFIG_BOARD_LOOPSPERMSEC=16717
|
||||
CONFIG_BUILTIN=y
|
||||
CONFIG_ESP32S2_UART0=y
|
||||
CONFIG_ESPRESSIF_ADC=y
|
||||
CONFIG_EXAMPLES_ADC=y
|
||||
CONFIG_EXAMPLES_ADC_SWTRIG=y
|
||||
CONFIG_FS_PROCFS=y
|
||||
CONFIG_HAVE_CXX=y
|
||||
CONFIG_HAVE_CXXINITIALIZE=y
|
||||
CONFIG_IDLETHREAD_STACKSIZE=3072
|
||||
CONFIG_INIT_ENTRYPOINT="nsh_main"
|
||||
CONFIG_INIT_STACKSIZE=3072
|
||||
CONFIG_INTELHEX_BINARY=y
|
||||
CONFIG_LINE_MAX=64
|
||||
CONFIG_NSH_ARCHINIT=y
|
||||
CONFIG_NSH_BUILTIN_APPS=y
|
||||
CONFIG_NSH_FILEIOSIZE=512
|
||||
CONFIG_NSH_READLINE=y
|
||||
CONFIG_PREALLOC_TIMERS=4
|
||||
CONFIG_RAM_SIZE=114688
|
||||
CONFIG_RAM_START=0x20000000
|
||||
CONFIG_RR_INTERVAL=200
|
||||
CONFIG_SCHED_WAITPID=y
|
||||
CONFIG_START_DAY=6
|
||||
CONFIG_START_MONTH=12
|
||||
CONFIG_START_YEAR=2011
|
||||
CONFIG_SYSLOG_BUFFER=y
|
||||
CONFIG_SYSTEM_NSH=y
|
||||
CONFIG_UART0_SERIAL_CONSOLE=y
|
||||
@@ -109,6 +109,10 @@
|
||||
# include "espressif/esp_nxdiag.h"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC
|
||||
# include "esp32s2_board_adc.h"
|
||||
#endif
|
||||
|
||||
#include "esp32s2-saola-1.h"
|
||||
|
||||
/****************************************************************************
|
||||
@@ -447,6 +451,14 @@ int esp32s2_bringup(void)
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC
|
||||
ret = board_adc_init();
|
||||
if (ret < 0)
|
||||
{
|
||||
syslog(LOG_ERR, "ERROR: board_adc_init failed: %d\n", ret);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* If we got here then perhaps not all initialization was successful, but
|
||||
* at least enough succeeded to bring-up NSH with perhaps reduced
|
||||
* capabilities.
|
||||
|
||||
@@ -52,18 +52,21 @@ extern "C"
|
||||
* Name: board_adc_init
|
||||
*
|
||||
* Description:
|
||||
* Configure the ADC driver.
|
||||
* Initialize and configuree the ADC driver for the board.
|
||||
* It registers the ADC channels specified in the configuration and ensures
|
||||
* that the ADC hardware is properly set up for use.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None.
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) is returned on success; A negated errno value is returned
|
||||
* to indicate the nature of any failure.
|
||||
* Returns zero (OK) on successful initialization and registration of the
|
||||
* ADC channels; a negated errno value is returned to indicate the nature
|
||||
* of any failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC
|
||||
#ifdef CONFIG_ESPRESSIF_ADC
|
||||
int board_adc_init(void);
|
||||
#endif
|
||||
|
||||
|
||||
@@ -66,7 +66,7 @@ ifeq ($(CONFIG_ESP32S3_OTG),y)
|
||||
CSRCS += esp32s3_board_usb.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_ESP32S3_ADC),y)
|
||||
ifeq ($(CONFIG_ESPRESSIF_ADC),y)
|
||||
CSRCS += esp32s3_board_adc.c
|
||||
endif
|
||||
|
||||
|
||||
@@ -27,10 +27,10 @@
|
||||
#include <nuttx/config.h>
|
||||
#include <stdio.h>
|
||||
#include <syslog.h>
|
||||
#include <debug.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include "esp32s3_adc.h"
|
||||
#include <nuttx/analog/adc.h>
|
||||
|
||||
#include "espressif/esp_adc.h"
|
||||
|
||||
#include "esp32s3_board_adc.h"
|
||||
|
||||
@@ -38,6 +38,102 @@
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* The number of channels for each ADC */
|
||||
|
||||
#define ADC_MAX_CHANNELS 10
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/* Select channels to be used for each ADC.
|
||||
*
|
||||
* GPIOs are fixed for each channel and configured in the lower-half driver.
|
||||
*
|
||||
* ADC 1
|
||||
* Channel: 0 1 2 3 4 5 6 7 8 9
|
||||
* GPIO: 1 2 3 4 5 6 7 8 9 10
|
||||
*
|
||||
* ADC 2
|
||||
* Channel: 0 1 2 3 4 5 6 7 8 9
|
||||
* GPIO: 11 12 13 14 15 16 17 18 19 20
|
||||
|
||||
* On the chanlist arrays below, channels are added +1. Do not change.
|
||||
* Important: if using more than 8 channels, edit CONFIG_ADC_FIFOSIZE.
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1
|
||||
static const uint8_t g_chanlist_adc1[ADC_MAX_CHANNELS] =
|
||||
{
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH0
|
||||
1,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH1
|
||||
2,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH2
|
||||
3,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH3
|
||||
4,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH4
|
||||
5,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH5
|
||||
6,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH6
|
||||
7,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH7
|
||||
8,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH8
|
||||
9,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1_CH9
|
||||
10
|
||||
#endif
|
||||
};
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2
|
||||
static const uint8_t g_chanlist_adc2[ADC_MAX_CHANNELS] =
|
||||
{
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH0
|
||||
1,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH1
|
||||
2,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH2
|
||||
3,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH3
|
||||
4,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH4
|
||||
5,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH5
|
||||
6,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH6
|
||||
7,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH7
|
||||
8,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH8
|
||||
9,
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2_CH9
|
||||
10
|
||||
#endif
|
||||
};
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
@@ -46,18 +142,20 @@
|
||||
* Name: board_adc_register
|
||||
*
|
||||
* Description:
|
||||
* Register the ADC driver.
|
||||
* This function registers the ADC driver for the specified ADC channel.
|
||||
* It initializes the ADC hardware, creates the device name, and registers
|
||||
* the ADC device with the system.
|
||||
*
|
||||
* Input Parameters:
|
||||
* channel - ADC channel number.
|
||||
* adc_num - The ADC channel number to register.
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) is returned on success; A negated errno value is returned
|
||||
* to indicate the nature of any failure.
|
||||
* Returns zero (OK) on successful registration; a negated errno value is
|
||||
* returned to indicate the nature of any failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int board_adc_register(int channel)
|
||||
static int board_adc_register(int adc_num)
|
||||
{
|
||||
int ret;
|
||||
char devname[12];
|
||||
@@ -66,16 +164,38 @@ static int board_adc_register(int channel)
|
||||
adcdev = kmm_malloc(sizeof(struct adc_dev_s));
|
||||
if (adcdev == NULL)
|
||||
{
|
||||
aerr("ERROR: Failed to allocate adc_dev_s instance\n");
|
||||
syslog(LOG_ERR, "ERROR: Failed to allocate adc_dev_s instance\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
memset(adcdev, 0, sizeof(struct adc_dev_s));
|
||||
esp32s3_adc_init(channel, adcdev);
|
||||
snprintf(devname, sizeof(devname), "/dev/adc%d", channel);
|
||||
|
||||
/* Register the ADC driver at "/dev/adcx_x" */
|
||||
switch (adc_num)
|
||||
{
|
||||
case 1:
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1
|
||||
adcdev = esp_adc_initialize(adc_num, g_chanlist_adc1);
|
||||
break;
|
||||
#endif
|
||||
case 2:
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2
|
||||
adcdev = esp_adc_initialize(adc_num, g_chanlist_adc2);
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
syslog(LOG_ERR, "ERROR: Unsupported ADC number: %d\n", adc_num);
|
||||
return ERROR;
|
||||
}
|
||||
|
||||
if (adcdev == NULL)
|
||||
{
|
||||
syslog(LOG_ERR, "ERROR: Failed to initialize ADC %d\n", adc_num);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Register the ADC driver at "/dev/adcx" */
|
||||
|
||||
snprintf(devname, sizeof(devname), "/dev/adc%d", adc_num - 1);
|
||||
ret = adc_register(devname, adcdev);
|
||||
if (ret < 0)
|
||||
{
|
||||
@@ -95,14 +215,17 @@ static int board_adc_register(int channel)
|
||||
* Name: board_adc_init
|
||||
*
|
||||
* Description:
|
||||
* Configure the ADC driver.
|
||||
* Initialize and configuree the ADC driver for the board.
|
||||
* It registers the ADC channels specified in the configuration and ensures
|
||||
* that the ADC hardware is properly set up for use.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None.
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) is returned on success; A negated errno value is returned
|
||||
* to indicate the nature of any failure.
|
||||
* Returns zero (OK) on successful initialization and registration of the
|
||||
* ADC channels; a negated errno value is returned to indicate the nature
|
||||
* of any failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
@@ -110,80 +233,16 @@ int board_adc_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL0
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL0);
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_1
|
||||
ret = board_adc_register(1);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL1
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL1);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL2
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL2);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL3
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL3);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL4
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL4);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL5
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL5);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL6
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL6);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL7
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL7);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL8
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL8);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC1_CHANNEL9
|
||||
ret = board_adc_register(ESP32S3_ADC1_CHANNEL9);
|
||||
#ifdef CONFIG_ESPRESSIF_ADC_2
|
||||
ret = board_adc_register(2);
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
|
||||
@@ -22,11 +22,8 @@ CONFIG_BOARD_LOOPSPERMSEC=16717
|
||||
CONFIG_BUILTIN=y
|
||||
CONFIG_DEBUG_FULLOPT=y
|
||||
CONFIG_DEBUG_SYMBOLS=y
|
||||
CONFIG_ESP32S3_ADC1_CHANNEL0=y
|
||||
CONFIG_ESP32S3_ADC1_CHANNEL1=y
|
||||
CONFIG_ESP32S3_ADC1_CHANNEL2=y
|
||||
CONFIG_ESP32S3_ADC=y
|
||||
CONFIG_ESP32S3_UART0=y
|
||||
CONFIG_ESPRESSIF_ADC=y
|
||||
CONFIG_EXAMPLES_ADC=y
|
||||
CONFIG_EXAMPLES_ADC_SWTRIG=y
|
||||
CONFIG_FS_PROCFS=y
|
||||
|
||||
@@ -124,7 +124,7 @@
|
||||
# include "esp32s3_aes.h"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC
|
||||
#ifdef CONFIG_ESPRESSIF_ADC
|
||||
#include "esp32s3_board_adc.h"
|
||||
#endif
|
||||
|
||||
@@ -522,7 +522,7 @@ int esp32s3_bringup(void)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ESP32S3_ADC
|
||||
#ifdef CONFIG_ESPRESSIF_ADC
|
||||
/* Configure ADC */
|
||||
|
||||
ret = board_adc_init();
|
||||
|
||||
Reference in New Issue
Block a user