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boards/nucleo-f302r8: add ADC support

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Add ADC support for nucleo-f302r8.
CN8 pins 35, 36, 37 and 38 are used.

Signed-off-by: raiden00pl <raiden00@railab.me>
This commit is contained in:
raiden00pl
2025-03-13 12:24:04 +01:00
committed by Xiang Xiao
parent 9394962cf6
commit 6443b33a39
3 changed files with 120 additions and 0 deletions
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boards/arm/stm32/nucleo-f302r8/src/CMakeLists.txt
+4
View File
@@ -46,6 +46,10 @@ endif()
if(CONFIG_BOARD_STM32_IHM07M1)
list(APPEND SRCS stm32_foc_ihm07m1.c)
else()
if(CONFIG_ADC)
list(APPEND SRCS stm32_adc.c)
endif()
endif()
if(CONFIG_STM32_CAN)
boards/arm/stm32/nucleo-f302r8/src/Make.defs
+4
View File
@@ -48,6 +48,10 @@ endif
ifeq ($(CONFIG_BOARD_STM32_IHM07M1),y)
CSRCS += stm32_foc_ihm07m1.c
else
ifeq ($(CONFIG_ADC),y)
CSRCS += stm32_adc.c
endif
endif
ifeq ($(CONFIG_STM32_CAN),y)
boards/arm/stm32/nucleo-f302r8/src/stm32_adc.c
+112
View File
@@ -0,0 +1,112 @@
/****************************************************************************
* boards/arm/stm32/nucleo-f302r8/src/stm32_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 <debug.h>
#include <nuttx/analog/adc.h>
#include "stm32.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef CONFIG_STM32_ADC1
# error ADC1 support must be enabled
#endif
#ifndef CONFIG_STM32_ADC1_DMA
# error ADC1 DMA support must be enabled
#endif
#define ADC1_NCHANNELS 4
/****************************************************************************
* Private Data
****************************************************************************/
/* Use CN8 pins 35, 36, 37 and 38 */
static const uint8_t g_adc1_chanlist[ADC1_NCHANNELS] =
{
6, 7, 8, 9
};
static const uint32_t g_adc1_pinlist[ADC1_NCHANNELS] =
{
GPIO_ADC1_IN6, /* PC0 */
GPIO_ADC1_IN7, /* PC1 */
GPIO_ADC1_IN8, /* PC2 */
GPIO_ADC1_IN9, /* PC3 */
};
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_adc_setup
*
* Description:
* Initialize ADC and register the ADC driver.
*
****************************************************************************/
int stm32_adc_setup(void)
{
struct adc_dev_s *adc;
int ret;
int i;
/* Configure the pins as analog inputs for the selected channels */
for (i = 0; i < ADC1_NCHANNELS; i++)
{
stm32_configgpio(g_adc1_pinlist[i]);
}
/* Call stm32_adcinitialize() to get an instance of the ADC interface */
adc = stm32_adcinitialize(1, g_adc1_chanlist, ADC1_NCHANNELS);
if (adc == NULL)
{
aerr("ERROR: Failed to get ADC interface\n");
return -ENODEV;
}
/* Register the ADC driver at "/dev/adc0" */
ret = adc_register("/dev/adc0", adc);
if (ret < 0)
{
aerr("ERROR: adc_register failed: %d\n", ret);
return ret;
}
return OK;
}