/************************************************************************************ * arch/arm/src/efm32/efm32_adc.h * * Copyright (C) 2015 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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. * ************************************************************************************/ #ifndef __ARCH_ARM_SRC_EFM32_EFM32_ADC_H #define __ARCH_ARM_SRC_EFM32_EFM32_ADC_H /************************************************************************************ * Included Files ************************************************************************************/ #include #include "chip.h" #include "chip/efm32_adc.h" #include /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Configuration ********************************************************************/ /* Timer devices may be used for different purposes. One special purpose is to * control periodic ADC sampling. If CONFIG_EFM32_TIMn is defined then * CONFIG_EFM32_TIMn_ADC must also be defined to indicate that timer "n" is intended * to be used for that purpose. */ /* For the EFM32 F1 line, timers 1-4 may be used. For EFM32 F4 line, timers 1-5 and * 8 may be used. */ #ifndef CONFIG_EFM32_TIM1 # undef CONFIG_EFM32_TIM1_ADC # undef CONFIG_EFM32_TIM1_ADC1 # undef CONFIG_EFM32_TIM1_ADC2 # undef CONFIG_EFM32_TIM1_ADC3 #endif #ifndef CONFIG_EFM32_TIM2 # undef CONFIG_EFM32_TIM2_ADC # undef CONFIG_EFM32_TIM2_ADC1 # undef CONFIG_EFM32_TIM2_ADC2 # undef CONFIG_EFM32_TIM2_ADC3 #endif #ifndef CONFIG_EFM32_TIM3 # undef CONFIG_EFM32_TIM3_ADC # undef CONFIG_EFM32_TIM3_ADC1 # undef CONFIG_EFM32_TIM3_ADC2 # undef CONFIG_EFM32_TIM3_ADC3 #endif #ifndef CONFIG_EFM32_TIM4 # undef CONFIG_EFM32_TIM4_ADC # undef CONFIG_EFM32_TIM4_ADC1 # undef CONFIG_EFM32_TIM4_ADC2 # undef CONFIG_EFM32_TIM4_ADC3 #endif #ifndef CONFIG_EFM32_TIM5 # undef CONFIG_EFM32_TIM5_ADC # undef CONFIG_EFM32_TIM5_ADC1 # undef CONFIG_EFM32_TIM5_ADC2 # undef CONFIG_EFM32_TIM5_ADC3 #endif #ifndef CONFIG_EFM32_TIM8 # undef CONFIG_EFM32_TIM8_ADC # undef CONFIG_EFM32_TIM8_ADC1 # undef CONFIG_EFM32_TIM8_ADC2 # undef CONFIG_EFM32_TIM8_ADC3 #endif /* Timers 6, 7, and 10-14 are not used with the ADC by any supported family */ #undef CONFIG_EFM32_TIM6_ADC #undef CONFIG_EFM32_TIM6_ADC1 #undef CONFIG_EFM32_TIM6_ADC2 #undef CONFIG_EFM32_TIM6_ADC3 #undef CONFIG_EFM32_TIM7_ADC #undef CONFIG_EFM32_TIM7_ADC1 #undef CONFIG_EFM32_TIM7_ADC2 #undef CONFIG_EFM32_TIM7_ADC3 #undef CONFIG_EFM32_TIM9_ADC #undef CONFIG_EFM32_TIM9_ADC1 #undef CONFIG_EFM32_TIM9_ADC2 #undef CONFIG_EFM32_TIM9_ADC3 #undef CONFIG_EFM32_TIM10_ADC #undef CONFIG_EFM32_TIM10_ADC1 #undef CONFIG_EFM32_TIM10_ADC2 #undef CONFIG_EFM32_TIM10_ADC3 #undef CONFIG_EFM32_TIM11_ADC #undef CONFIG_EFM32_TIM11_ADC1 #undef CONFIG_EFM32_TIM11_ADC2 #undef CONFIG_EFM32_TIM11_ADC3 #undef CONFIG_EFM32_TIM12_ADC #undef CONFIG_EFM32_TIM12_ADC1 #undef CONFIG_EFM32_TIM12_ADC2 #undef CONFIG_EFM32_TIM12_ADC3 #undef CONFIG_EFM32_TIM13_ADC #undef CONFIG_EFM32_TIM13_ADC1 #undef CONFIG_EFM32_TIM13_ADC2 #undef CONFIG_EFM32_TIM13_ADC3 #undef CONFIG_EFM32_TIM14_ADC #undef CONFIG_EFM32_TIM14_ADC1 #undef CONFIG_EFM32_TIM14_ADC2 #undef CONFIG_EFM32_TIM14_ADC3 /* Up to 3 ADC interfaces are supported */ #if EFM32_NADC < 3 # undef CONFIG_EFM32_ADC3 #endif #if EFM32_NADC < 2 # undef CONFIG_EFM32_ADC2 #endif #if EFM32_NADC < 1 # undef CONFIG_EFM32_ADC1 #endif #if defined(CONFIG_EFM32_ADC1) || defined(CONFIG_EFM32_ADC2) || defined(CONFIG_EFM32_ADC3) /* DMA support is not yet implemented for this driver */ #ifdef CONFIG_ADC_DMA # warning "DMA is not supported by the current driver" #endif /* Timer configuration: If a timer trigger is specified, then get information * about the timer. */ #if defined(CONFIG_EFM32_TIM1_ADC1) # define ADC1_HAVE_TIMER 1 # define ADC1_TIMER_BASE EFM32_TIM1_BASE # define ADC1_TIMER_PCLK_FREQUENCY EFM32_APB2_TIM1_CLKIN #elif defined(CONFIG_EFM32_TIM2_ADC1) # define ADC1_HAVE_TIMER 1 # define ADC1_TIMER_BASE EFM32_TIM2_BASE # define ADC1_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM2_CLKIN #elif defined(CONFIG_EFM32_TIM3_ADC1) # define ADC1_HAVE_TIMER 1 # define ADC1_TIMER_BASE EFM32_TIM3_BASE # define ADC1_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM3_CLKIN #elif defined(CONFIG_EFM32_TIM4_ADC1) # define ADC1_HAVE_TIMER 1 # define ADC1_TIMER_BASE EFM32_TIM4_BASE # define ADC1_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM4_CLKIN #elif defined(CONFIG_EFM32_TIM5_ADC1) # define ADC1_HAVE_TIMER 1 # define ADC1_TIMER_BASE EFM32_TIM5_BASE # define ADC1_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM5_CLKIN #elif defined(CONFIG_EFM32_TIM8_ADC1) # define ADC1_HAVE_TIMER 1 # define ADC1_TIMER_BASE EFM32_TIM8_BASE # define ADC1_TIMER_PCLK_FREQUENCY EFM32_APB2_TIM8_CLKIN #else # undef ADC1_HAVE_TIMER #endif #ifdef ADC1_HAVE_TIMER # ifndef CONFIG_EFM32_ADC1_SAMPLE_FREQUENCY # error "CONFIG_EFM32_ADC1_SAMPLE_FREQUENCY not defined" # endif # ifndef CONFIG_EFM32_ADC1_TIMTRIG # error "CONFIG_EFM32_ADC1_TIMTRIG not defined" # warning "Values 0:CC1 1:CC2 2:CC3 3:CC4 4:TRGO" # endif #endif #if defined(CONFIG_EFM32_TIM1_ADC2) # define ADC2_HAVE_TIMER 1 # define ADC2_TIMER_BASE EFM32_TIM1_BASE # define ADC2_TIMER_PCLK_FREQUENCY EFM32_APB2_TIM1_CLKIN #elif defined(CONFIG_EFM32_TIM2_ADC2) # define ADC2_HAVE_TIMER 1 # define ADC2_TIMER_BASE EFM32_TIM2_BASE # define ADC2_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM2_CLKIN #elif defined(CONFIG_EFM32_TIM3_ADC2) # define ADC2_HAVE_TIMER 1 # define ADC2_TIMER_BASE EFM32_TIM3_BASE # define ADC2_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM3_CLKIN #elif defined(CONFIG_EFM32_TIM4_ADC2) # define ADC2_HAVE_TIMER 1 # define ADC2_TIMER_BASE EFM32_TIM4_BASE # define ADC2_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM4_CLKIN #elif defined(CONFIG_EFM32_TIM5_ADC2) # define ADC2_HAVE_TIMER 1 # define ADC2_TIMER_BASE EFM32_TIM5_BASE # define ADC2_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM5_CLKIN #elif defined(CONFIG_EFM32_TIM8_ADC2) # define ADC2_HAVE_TIMER 1 # define ADC2_TIMER_BASE EFM32_TIM8_BASE # define ADC2_TIMER_PCLK_FREQUENCY EFM32_APB2_TIM8_CLKIN #else # undef ADC2_HAVE_TIMER #endif #ifdef ADC2_HAVE_TIMER # ifndef CONFIG_EFM32_ADC2_SAMPLE_FREQUENCY # error "CONFIG_EFM32_ADC2_SAMPLE_FREQUENCY not defined" # endif # ifndef CONFIG_EFM32_ADC2_TIMTRIG # error "CONFIG_EFM32_ADC2_TIMTRIG not defined" # warning "Values 0:CC1 1:CC2 2:CC3 3:CC4 4:TRGO" # endif #endif #if defined(CONFIG_EFM32_TIM1_ADC3) # define ADC3_HAVE_TIMER 1 # define ADC3_TIMER_BASE EFM32_TIM1_BASE # define ADC3_TIMER_PCLK_FREQUENCY EFM32_APB2_TIM1_CLKIN #elif defined(CONFIG_EFM32_TIM2_ADC3) # define ADC3_HAVE_TIMER 1 # define ADC3_TIMER_BASE EFM32_TIM2_BASE # define ADC3_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM2_CLKIN #elif defined(CONFIG_EFM32_TIM3_ADC3) # define ADC3_HAVE_TIMER 1 # define ADC3_TIMER_BASE EFM32_TIM3_BASE # define ADC3_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM3_CLKIN #elif defined(CONFIG_EFM32_TIM4_ADC3) # define ADC3_HAVE_TIMER 1 # define ADC3_TIMER_BASE EFM32_TIM4_BASE # define ADC3_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM4_CLKIN #elif defined(CONFIG_EFM32_TIM5_ADC3) # define ADC3_HAVE_TIMER 1 # define ADC3_TIMER_BASE EFM32_TIM5_BASE # define ADC3_TIMER_PCLK_FREQUENCY EFM32_APB1_TIM5_CLKIN #elif defined(CONFIG_EFM32_TIM8_ADC3) # define ADC3_HAVE_TIMER 1 # define ADC3_TIMER_BASE EFM32_TIM8_BASE # define ADC3_TIMER_PCLK_FREQUENCY EFM32_APB2_TIM8_CLKIN #else # undef ADC3_HAVE_TIMER #endif #ifdef ADC3_HAVE_TIMER # ifndef CONFIG_EFM32_ADC3_SAMPLE_FREQUENCY # error "CONFIG_EFM32_ADC3_SAMPLE_FREQUENCY not defined" # endif # ifndef CONFIG_EFM32_ADC3_TIMTRIG # error "CONFIG_EFM32_ADC3_TIMTRIG not defined" # warning "Values 0:CC1 1:CC2 2:CC3 3:CC4 4:TRGO" # endif #endif #if defined(ADC1_HAVE_TIMER) || defined(ADC2_HAVE_TIMER) || defined(ADC3_HAVE_TIMER) # define ADC_HAVE_TIMER 1 # if defined(CONFIG_EFM32_EFM32F10XX) && !defined(CONFIG_EFM32_FORCEPOWER) # warning "CONFIG_EFM32_FORCEPOWER must be defined to enable the timer(s)" # endif #else # undef ADC_HAVE_TIMER #endif /* NOTE: The following assumes that all possible combinations of timers and * values are support EXTSEL. That is not so and it varies from one EFM32 to another. * But this (wrong) assumptions keeps the logic as simple as possible. If un * unsupported combination is used, an error will show up later during compilation * although it may be difficult to track it back to this simplification. */ #if defined(CONFIG_EFM32_TIM1_ADC1) # if CONFIG_EFM32_ADC1_TIMTRIG == 0 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC1 # elif CONFIG_EFM32_ADC1_TIMTRIG == 1 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC2 # elif CONFIG_EFM32_ADC1_TIMTRIG == 2 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC3 # elif CONFIG_EFM32_ADC1_TIMTRIG == 3 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC4 # elif CONFIG_EFM32_ADC1_TIMTRIG == 4 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T1TRGO # else # error "CONFIG_EFM32_ADC1_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM2_ADC1) # if CONFIG_EFM32_ADC1_TIMTRIG == 0 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC1 # elif CONFIG_EFM32_ADC1_TIMTRIG == 1 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC2 # elif CONFIG_EFM32_ADC1_TIMTRIG == 2 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC3 # elif CONFIG_EFM32_ADC1_TIMTRIG == 3 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC4 # elif CONFIG_EFM32_ADC1_TIMTRIG == 4 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T2TRGO # else # error "CONFIG_EFM32_ADC1_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM3_ADC1) # if CONFIG_EFM32_ADC1_TIMTRIG == 0 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC1 # elif CONFIG_EFM32_ADC1_TIMTRIG == 1 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC2 # elif CONFIG_EFM32_ADC1_TIMTRIG == 2 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC3 # elif CONFIG_EFM32_ADC1_TIMTRIG == 3 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC4 # elif CONFIG_EFM32_ADC1_TIMTRIG == 4 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T3TRGO # else # error "CONFIG_EFM32_ADC1_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM4_ADC1) # if CONFIG_EFM32_ADC1_TIMTRIG == 0 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC1 # elif CONFIG_EFM32_ADC1_TIMTRIG == 1 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC2 # elif CONFIG_EFM32_ADC1_TIMTRIG == 2 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC3 # elif CONFIG_EFM32_ADC1_TIMTRIG == 3 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC4 # elif CONFIG_EFM32_ADC1_TIMTRIG == 4 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T4TRGO # else # error "CONFIG_EFM32_ADC1_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM5_ADC1) # if CONFIG_EFM32_ADC1_TIMTRIG == 0 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC1 # elif CONFIG_EFM32_ADC1_TIMTRIG == 1 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC2 # elif CONFIG_EFM32_ADC1_TIMTRIG == 2 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC3 # elif CONFIG_EFM32_ADC1_TIMTRIG == 3 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC4 # elif CONFIG_EFM32_ADC1_TIMTRIG == 4 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T5TRGO # else # error "CONFIG_EFM32_ADC1_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM8_ADC1) # if CONFIG_EFM32_ADC1_TIMTRIG == 0 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC1 # elif CONFIG_EFM32_ADC1_TIMTRIG == 1 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC2 # elif CONFIG_EFM32_ADC1_TIMTRIG == 2 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC3 # elif CONFIG_EFM32_ADC1_TIMTRIG == 3 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC4 # elif CONFIG_EFM32_ADC1_TIMTRIG == 4 # define ADC1_EXTSEL_VALUE ADC_CR2_EXTSEL_T8TRGO # else # error "CONFIG_EFM32_ADC1_TIMTRIG is out of range" # endif #endif #if defined(CONFIG_EFM32_TIM1_ADC2) # if CONFIG_EFM32_ADC2_TIMTRIG == 0 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC1 # elif CONFIG_EFM32_ADC2_TIMTRIG == 1 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC2 # elif CONFIG_EFM32_ADC2_TIMTRIG == 2 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC3 # elif CONFIG_EFM32_ADC2_TIMTRIG == 3 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC4 # elif CONFIG_EFM32_ADC2_TIMTRIG == 4 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T1TRGO # else # error "CONFIG_EFM32_ADC2_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM2_ADC2) # if CONFIG_EFM32_ADC2_TIMTRIG == 0 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC1 # elif CONFIG_EFM32_ADC2_TIMTRIG == 1 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC2 # elif CONFIG_EFM32_ADC2_TIMTRIG == 2 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC3 # elif CONFIG_EFM32_ADC2_TIMTRIG == 3 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC4 # elif CONFIG_EFM32_ADC2_TIMTRIG == 4 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T2TRGO # else # error "CONFIG_EFM32_ADC2_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM3_ADC2) # if CONFIG_EFM32_ADC2_TIMTRIG == 0 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC1 # elif CONFIG_EFM32_ADC2_TIMTRIG == 1 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC2 # elif CONFIG_EFM32_ADC2_TIMTRIG == 2 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC3 # elif CONFIG_EFM32_ADC2_TIMTRIG == 3 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC4 # elif CONFIG_EFM32_ADC2_TIMTRIG == 4 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T3TRGO # else # error "CONFIG_EFM32_ADC2_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM4_ADC2) # if CONFIG_EFM32_ADC2_TIMTRIG == 0 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC1 # elif CONFIG_EFM32_ADC2_TIMTRIG == 1 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC2 # elif CONFIG_EFM32_ADC2_TIMTRIG == 2 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC3 # elif CONFIG_EFM32_ADC2_TIMTRIG == 3 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC4 # elif CONFIG_EFM32_ADC2_TIMTRIG == 4 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T4TRGO # else # error "CONFIG_EFM32_ADC2_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM5_ADC2) # if CONFIG_EFM32_ADC2_TIMTRIG == 0 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC1 # elif CONFIG_EFM32_ADC2_TIMTRIG == 1 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC2 # elif CONFIG_EFM32_ADC2_TIMTRIG == 2 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC3 # elif CONFIG_EFM32_ADC2_TIMTRIG == 3 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC4 # elif CONFIG_EFM32_ADC2_TIMTRIG == 4 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T5TRGO # else # error "CONFIG_EFM32_ADC2_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM8_ADC2) # if CONFIG_EFM32_ADC2_TIMTRIG == 0 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC1 # elif CONFIG_EFM32_ADC2_TIMTRIG == 1 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC2 # elif CONFIG_EFM32_ADC2_TIMTRIG == 2 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC3 # elif CONFIG_EFM32_ADC2_TIMTRIG == 3 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC4 # elif CONFIG_EFM32_ADC2_TIMTRIG == 4 # define ADC2_EXTSEL_VALUE ADC_CR2_EXTSEL_T8TRGO # else # error "CONFIG_EFM32_ADC2_TIMTRIG is out of range" # endif #endif #if defined(CONFIG_EFM32_TIM1_ADC3) # if CONFIG_EFM32_ADC3_TIMTRIG == 0 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC1 # elif CONFIG_EFM32_ADC3_TIMTRIG == 1 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC2 # elif CONFIG_EFM32_ADC3_TIMTRIG == 2 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC3 # elif CONFIG_EFM32_ADC3_TIMTRIG == 3 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T1CC4 # elif CONFIG_EFM32_ADC3_TIMTRIG == 4 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T1TRGO # else # error "CONFIG_EFM32_ADC3_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM2_ADC3) # if CONFIG_EFM32_ADC3_TIMTRIG == 0 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC1 # elif CONFIG_EFM32_ADC3_TIMTRIG == 1 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC2 # elif CONFIG_EFM32_ADC3_TIMTRIG == 2 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC3 # elif CONFIG_EFM32_ADC3_TIMTRIG == 3 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T2CC4 # elif CONFIG_EFM32_ADC3_TIMTRIG == 4 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T2TRGO # else # error "CONFIG_EFM32_ADC3_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM3_ADC3) # if CONFIG_EFM32_ADC3_TIMTRIG == 0 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC1 # elif CONFIG_EFM32_ADC3_TIMTRIG == 1 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC2 # elif CONFIG_EFM32_ADC3_TIMTRIG == 2 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC3 # elif CONFIG_EFM32_ADC3_TIMTRIG == 3 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T3CC4 # elif CONFIG_EFM32_ADC3_TIMTRIG == 4 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T3TRGO # else # error "CONFIG_EFM32_ADC3_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM4_ADC3) # if CONFIG_EFM32_ADC3_TIMTRIG == 0 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC1 # elif CONFIG_EFM32_ADC3_TIMTRIG == 1 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC2 # elif CONFIG_EFM32_ADC3_TIMTRIG == 2 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC3 # elif CONFIG_EFM32_ADC3_TIMTRIG == 3 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T4CC4 # elif CONFIG_EFM32_ADC3_TIMTRIG == 4 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T4TRGO # else # error "CONFIG_EFM32_ADC3_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM5_ADC3) # if CONFIG_EFM32_ADC3_TIMTRIG == 0 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC1 # elif CONFIG_EFM32_ADC3_TIMTRIG == 1 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC2 # elif CONFIG_EFM32_ADC3_TIMTRIG == 2 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC3 # elif CONFIG_EFM32_ADC3_TIMTRIG == 3 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T5CC4 # elif CONFIG_EFM32_ADC3_TIMTRIG == 4 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T5TRGO # else # error "CONFIG_EFM32_ADC3_TIMTRIG is out of range" # endif #elif defined(CONFIG_EFM32_TIM8_ADC3) # if CONFIG_EFM32_ADC3_TIMTRIG == 0 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC1 # elif CONFIG_EFM32_ADC3_TIMTRIG == 1 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC2 # elif CONFIG_EFM32_ADC3_TIMTRIG == 2 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC3 # elif CONFIG_EFM32_ADC3_TIMTRIG == 3 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T8CC4 # elif CONFIG_EFM32_ADC3_TIMTRIG == 4 # define ADC3_EXTSEL_VALUE ADC_CR2_EXTSEL_T8TRGO # else # error "CONFIG_EFM32_ADC3_TIMTRIG is out of range" # endif #endif /************************************************************************************ * Public Function Prototypes ************************************************************************************/ #ifndef __ASSEMBLY__ #ifdef __cplusplus #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /**************************************************************************** * Name: efm32_adcinitialize * * Description: * Initialize the ADC. * * Input Parameters: * intf - Could be {1,2,3} for ADC1, ADC2, or ADC3 * chanlist - The list of channels * nchannels - Number of channels * * Returned Value: * Valid can device structure reference on succcess; a NULL on failure * ****************************************************************************/ struct adc_dev_s; struct adc_dev_s *efm32_adcinitialize(int intf, const uint8_t *chanlist, int nchannels); #undef EXTERN #ifdef __cplusplus } #endif #endif /* __ASSEMBLY__ */ #endif /* CONFIG_EFM32_ADC || CONFIG_EFM32_ADC2 || CONFIG_EFM32_ADC3 */ #endif /* __ARCH_ARM_SRC_EFM32_EFM32_ADC_H */