diff options
Diffstat (limited to 'nuttx/configs/px4io/src/up_adc.c')
-rw-r--r-- | nuttx/configs/px4io/src/up_adc.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/nuttx/configs/px4io/src/up_adc.c b/nuttx/configs/px4io/src/up_adc.c deleted file mode 100644 index c19f57f96..000000000 --- a/nuttx/configs/px4io/src/up_adc.c +++ /dev/null @@ -1,164 +0,0 @@ -/************************************************************************************ - * configs/stm3210e-eval/src/up_adc.c - * arch/arm/src/board/up_adc.c - * - * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ************************************************************************************/ - -/************************************************************************************ - * Included Files - ************************************************************************************/ - -#include <nuttx/config.h> - -#include <errno.h> -#include <debug.h> - -#include <nuttx/analog/adc.h> -#include <arch/board/board.h> - -#include "chip.h" -#include "up_arch.h" - -#include "stm32_pwm.h" -#include "px4io-internal.h" - -#ifdef CONFIG_ADC - -/************************************************************************************ - * Definitions - ************************************************************************************/ -/* Configuration ********************************************************************/ -/* Up to 3 ADC interfaces are supported */ - -#if STM32_NADC < 3 -# undef CONFIG_STM32_ADC3 -#endif - -#if STM32_NADC < 2 -# undef CONFIG_STM32_ADC2 -#endif - -#if STM32_NADC < 1 -# undef CONFIG_STM32_ADC1 -#endif - -#if defined(CONFIG_STM32_ADC1) || defined(CONFIG_STM32_ADC2) || defined(CONFIG_STM32_ADC3) -#ifndef CONFIG_STM32_ADC1 -# warning "Channel information only available for ADC1" -#endif - -/* The number of ADC channels in the conversion list */ - -#define ADC1_NCHANNELS 2 - -/************************************************************************************ - * Private Data - ************************************************************************************/ - -/* Identifying number of each ADC channel: Variable Resistor */ - -#ifdef CONFIG_STM32_ADC1 -static const uint8_t g_chanlist[ADC1_NCHANNELS] = {4, 5}; - -/* Configurations of pins used byte each ADC channels */ - -static const uint32_t g_pinlist[ADC1_NCHANNELS] = {GPIO_ADC1_IN4, GPIO_ADC1_IN5}; -#endif - -/************************************************************************************ - * Private Functions - ************************************************************************************/ - -/************************************************************************************ - * Public Functions - ************************************************************************************/ - -/************************************************************************************ - * Name: adc_devinit - * - * Description: - * All STM32 architectures must provide the following interface to work with - * examples/adc. - * - ************************************************************************************/ - -int adc_devinit(void) -{ -#ifdef CONFIG_STM32_ADC1 - static bool initialized = false; - struct adc_dev_s *adc; - int ret; - int i; - - /* Check if we have already initialized */ - - if (!initialized) - { - /* Configure the pins as analog inputs for the selected channels */ - - for (i = 0; i < ADC1_NCHANNELS; i++) - { - stm32_configgpio(g_pinlist[i]); - } - - /* Call stm32_adcinitialize() to get an instance of the ADC interface */ - - adc = stm32_adcinitialize(1, g_chanlist, ADC1_NCHANNELS); - if (adc == NULL) - { - adbg("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) - { - adbg("adc_register failed: %d\n", ret); - return ret; - } - - /* Now we are initialized */ - - initialized = true; - } - - return OK; -#else - return -ENOSYS; -#endif -} - -#endif /* CONFIG_STM32_ADC1 || CONFIG_STM32_ADC2 || CONFIG_STM32_ADC3 */ -#endif /* CONFIG_ADC */ |