git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1269 35acf78f-673a-0410-8e92-d51de3d6d3f4
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@ -44,6 +44,7 @@ void adcObjectInit(ADCDriver *adcp) {
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adcp->adc_state = ADC_STOP;
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adcp->adc_config = NULL;
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chSemInit(&adcp->adc_sem, 0);
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}
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/**
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@ -132,7 +133,7 @@ void adcStopConversion(ADCDriver *adcp) {
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"adcStopConversion(), #1",
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"invalid state");
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adc_lld_start_conversion(adcp, grpp, samples);
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adc_lld_stop_conversion(adcp);
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adcp->adc_state = ADC_READY;
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chSysUnlock();
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@ -27,6 +27,10 @@
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#ifndef _ADC_H_
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#define _ADC_H_
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#if !CH_USE_SEMAPHORES
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#error "ADC driver requires CH_USE_SEMAPHORES"
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#endif
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/**
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* @brief Driver state machine possible states.
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*/
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@ -46,6 +50,11 @@ extern "C" {
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void adcObjectInit(ADCDriver *adcp);
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void adcStart(ADCDriver *adcp, const ADCDriver *config);
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void adcStop(ADCDriver *adcp);
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bool_t adcStartConversion(ADCDriver *adcp,
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ADCConversionGroup *grpp,
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void *samples);
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void adcStopConversion(ADCDriver *adcp);
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msg_t adcWaitConversion(ADCDriver *adcp, systme_t timeout);
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#ifdef __cplusplus
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}
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#endif
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@ -0,0 +1,84 @@
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/*
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ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file templates/adc_lld.h
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* @brief ADC Driver subsystem low level driver header template
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* @addtogroup ADC_LLD
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* @{
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*/
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#ifndef _ADC_LLD_H_
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#define _ADC_LLD_H_
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Driver configuration structure.
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*/
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typedef struct {
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} ADCConfig;
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/**
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* @brief Structure representing a MAC driver.
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*/
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typedef struct {
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/**
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* @brief Driver state.
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*/
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adcstate_t adc_state;
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/**
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* @brief Current configuration data.
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*/
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const ADCConfig *adc_config;
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/**
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* @brief Semaphore for completion synchronization.
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*/
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Semaphore adc_sem;
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/* End of the mandatory fields.*/
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} ADCDriver;
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void adc_lld_init(void);
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void adc_lld_start(ADCDriver *adcp);
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void adc_lld_stop(ADCDriver *adcp);
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void adc_lld_start_conversion(ADCDriver *adcp,
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ADCConversionGroup *grpp,
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void *samples);
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void adc_lld_stop_conversion(ADCDriver *adcp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ADC_LLD_H_ */
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/** @} */
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