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33 lines
2.7 KiB
Markdown
33 lines
2.7 KiB
Markdown
SPIFlash
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========
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[](https://travis-ci.org/LowPowerLab/SPIFlash)
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[](https://github.com/LowPowerLab/SPIFlash)
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[](https://github.com/LowPowerLab/SPIFlash/issues)
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[](https://github.com/LowPowerLab/SPIFlash/pulls)
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[](https://github.com/LowPowerLab/SPIFlash/blob/master/LICENSE.txt)
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Arduino/Moteino library for read/write access to SPI flash memory chips.
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This works with 256byte/page SPI flash memory such as the [4MBIT W25X40CLSNIG](https://lowpowerlab.com/shop/product/72) used on [Moteino](https://www.moteino.com) for data storage and wireless programming.
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<br/>
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For instance a 4MBit (512Kbyte) flash chip will have 2048 pages: 256*2048 = 524288 bytes (512Kbytes).
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<br/>Minimal modifications should allow chips that have different page size to work.
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<br/>DEPENDS ON: Arduino native *SPI library*.
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<br/>
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This library was primarily developed to enable **safe** wireless programming on Moteino nodes and Moteino based applications such as the [SwitchMote](https://lowpowerlab.com/guide/switchmote/). This has been documented at [lowpowerlab](https://lowpowerlab.com/guide/moteino/wireless-programming/). [Dualoptiboot](https://github.com/LowPowerLab/DualOptiboot) (all AVR based Moteinos come with it) and [RFM69_OTA WirelessProgramming library](https://github.com/LowPowerLab/RFM69) are required to be able to wirelessly re-flash a remote Moteino.
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### Installation
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Copy the content of this library in the "Arduino/libraries/SPIFlash" folder.
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<br />
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To find your Arduino folder go to File>Preferences in the Arduino IDE.
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<br/>
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See [this tutorial](https://www.arduino.cc/en/Guide/Libraries) on installing Arduino libraries.
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### License
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Copyright (c) 2013-2018 by Felix Rusu <felix@lowpowerlab.com>
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<br/><br/>
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This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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<br/><br/>
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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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<br/><br/>
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You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
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