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Add Class to handle retries and state transitions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| This file is part of the Arduino_SecureElement library. | ||
| Copyright (c) 2024 Arduino SA | ||
| This Source Code Form is subject to the terms of the Mozilla Public | ||
| License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
| */ | ||
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| /****************************************************************************** | ||
| * INCLUDE | ||
| ******************************************************************************/ | ||
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| #include <Arduino.h> | ||
| #include "TimedAttempt.h" | ||
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| /****************************************************************************** | ||
| * CTOR/DTOR | ||
| ******************************************************************************/ | ||
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| TimedAttempt::TimedAttempt(unsigned long minDelay, unsigned long maxDelay) | ||
| : _minDelay(minDelay) | ||
| , _maxDelay(maxDelay) { | ||
| } | ||
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| /****************************************************************************** | ||
| * PUBLIC MEMBER FUNCTIONS | ||
| ******************************************************************************/ | ||
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| void TimedAttempt::begin(unsigned long delay) { | ||
| _retryCount = 0; | ||
| _minDelay = delay; | ||
| _maxDelay = delay; | ||
| } | ||
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| void TimedAttempt::begin(unsigned long minDelay, unsigned long maxDelay) { | ||
| _retryCount = 0; | ||
| _minDelay = minDelay; | ||
| _maxDelay = maxDelay; | ||
| } | ||
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| unsigned long TimedAttempt::reconfigure(unsigned long minDelay, unsigned long maxDelay) { | ||
| _minDelay = minDelay; | ||
| _maxDelay = maxDelay; | ||
| return reload(); | ||
| } | ||
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| unsigned long TimedAttempt::retry() { | ||
| _retryCount++; | ||
| return reload(); | ||
| } | ||
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| unsigned long TimedAttempt::reload() { | ||
| unsigned long retryDelay = (1 << _retryCount) * _minDelay; | ||
| retryDelay = min(retryDelay, _maxDelay); | ||
| _nextRetryTick = millis() + retryDelay; | ||
| return retryDelay; | ||
| } | ||
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| void TimedAttempt::reset() { | ||
| _retryCount = 0; | ||
| } | ||
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| bool TimedAttempt::isRetry() { | ||
| return _retryCount > 0; | ||
| } | ||
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| bool TimedAttempt::isExpired() { | ||
| return millis() > _nextRetryTick; | ||
| } | ||
|
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| unsigned int TimedAttempt::getRetryCount() { | ||
| return _retryCount; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| This file is part of the Arduino_SecureElement library. | ||
| Copyright (c) 2024 Arduino SA | ||
| This Source Code Form is subject to the terms of the Mozilla Public | ||
| License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
| */ | ||
|
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| #ifndef TIMED_ATTEMPT_H | ||
| #define TIMED_ATTEMPT_H | ||
|
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| /****************************************************************************** | ||
| * CLASS DECLARATION | ||
| ******************************************************************************/ | ||
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| class TimedAttempt { | ||
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| public: | ||
| TimedAttempt(unsigned long minDelay, unsigned long maxDelay); | ||
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| void begin(unsigned long delay); | ||
| void begin(unsigned long minDelay, unsigned long maxDelay); | ||
| unsigned long reconfigure(unsigned long minDelay, unsigned long maxDelay); | ||
| unsigned long retry(); | ||
| unsigned long reload(); | ||
| void reset(); | ||
| bool isRetry(); | ||
| bool isExpired(); | ||
| unsigned int getRetryCount(); | ||
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| private: | ||
| unsigned long _minDelay; | ||
| unsigned long _maxDelay; | ||
| unsigned long _nextRetryTick; | ||
| unsigned int _retryCount; | ||
| }; | ||
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| #endif /* TIMED_ATTEMPT_H */ |