57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
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/*
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ESP32BootROM - part of the Firmware Updater for the
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Arduino MKR WiFi 1010, Arduino MKR Vidor 4000, and Arduino UNO WiFi Rev.2.
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Copyright (c) 2018 Arduino SA. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <Arduino.h>
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class ESP32BootROMClass {
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public:
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ESP32BootROMClass(HardwareSerial& hwSerial, int gpio0Pin, int resetnPin);
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int begin(unsigned long baudrate);
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void end();
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int beginFlash(uint32_t offset, uint32_t size, uint32_t chunkSize);
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int dataFlash(const void* data, uint32_t length);
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int endFlash(uint32_t reboot);
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int md5Flash(uint32_t offset, uint32_t size, uint8_t* result);
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private:
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int sync();
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int changeBaudrate(unsigned long baudrate);
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int spiAttach();
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void command(int opcode, const void* data, uint16_t length);
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int response(int opcode, unsigned long timeout, void* body = NULL);
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void writeEscapedBytes(const uint8_t* data, uint16_t length);
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private:
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HardwareSerial* _serial;
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int _gpio0Pin;
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int _resetnPin;
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uint32_t _flashSequenceNumber;
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uint32_t _chunkSize;
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};
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extern ESP32BootROMClass ESP32BootROM;
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