82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*
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Copyright (C) 2016 Stephane D'Alu
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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*
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* Example of function calls.
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*
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* @code
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* static SENSOR_config sensor_config = {
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* };
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* static SENSOR_drv sensor_drv;
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* @endcode
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*
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*
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* @code
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* osalThreadSleepMilliseconds(SENSOR_BOOTUP_TIME);
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* SENSOR_init(&sensor_drv);
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* @endcode
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*
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* @code
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* SENSOR_start(&sensor_drv, &sensor_config);
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* osalThreadSleepMilliseconds(SENSOR_STARTUP_TIME);
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* @endcode
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*
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* If using SENSOR_startMeasure()/SENSOR_readMeasure()
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* @code
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* while(true) {
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* SENSOR_startMeasure(&sensor_drv);
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* osalThreadSleepMilliseconds(SENSOR_getAcquisitionTime());
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* SENSOR_readMeasure(&sensor_drv, ...);
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* }
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* @endcode
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*
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* If using SENSOR_readValue() or SENSOR_getValue()
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* @code
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* #if SENSOR_CONTINUOUS_ACQUISITION_SUPPORTED == TRUE
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* osalThreadSleepMilliseconds(SENSOR_getAcquisitionTime())
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* #endif
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*
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* while(true) {
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* SENSOR_readValue(&sensor_drv, ...);
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* }
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* @encode
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*/
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#ifndef _SENSOR_H_
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#define _SENSOR_H_
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#define SENSOR_OK MSG_OK /**< @brief Operation successful. */
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#define SENSOR_TIMEOUT MSG_TIMEOUT /**< @brief Communication timeout */
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#define SENSOR_RESET MSG_REST /**< @brief Communication error. */
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#define SENSOR_NOTFOUND (msg_t)-20 /**< @brief Sensor not found. */
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/**
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* @brief Driver state machine possible states.
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*/
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typedef enum __attribute__ ((__packed__)) {
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SENSOR_UNINIT = 0, /**< Not initialized. */
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SENSOR_INIT = 1, /**< Initialized. */
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SENSOR_STARTED = 2, /**< Started. */
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SENSOR_MEASURING = 4, /**< Measuring. */
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SENSOR_READY = 3, /**< Ready. */
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SENSOR_STOPPED = 5, /**< Stopped. */
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SENSOR_ERROR = 6, /**< Error. */
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} sensor_state_t;
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#endif
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