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‎CHANGELOG.md‎

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# Changelog
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## [3.14] - October 2022
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### Added
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- DSG-5158 github-28 Added CLI switch for serial port read timeout
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- DSG-5421 Added support for AVR DU and additional AVR DD devices
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### Changed
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- DSG-5418 Added Python 3.10 metadata tag
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- DSG-5543 Removed Python 3.6 metadata tag
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- DSG-5417 Removed distutils usage
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### Fixed
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- DSG-5157 github-29 Fixed return value on error
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- DSG-4836 Corrected flash offset compensation for avrdebugger
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## [3.13] - May 2022
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### Added
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- DSG-3936 Fixed AVR ISP implementation and added commands (beta)
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- DSG-4172 github-10 Disable ACK response signature on serialUPDI block write (speed-up)
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- DSG-3951 github-8 Added --erase argument to erase device before write with single execution
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- DSG-3972 CLI help additions
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- DSG-3997 Added debugwire_disable() to Avr8Protocol
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### Fixed
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- DSG-3945, DSG-3938 Unable to write fuse byte 0 on Curiosity Nano ATtiny kits
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- DSG-4488 github-19 Return bytearray (not list) from serialUPDI read
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- DSG-4594 SAMD21 performance improvement (SAM-IoT provisioning)
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- DSG-4540 Fixed SAMD21 non-word-oriented read failure
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- DSG-3941 Improved feedback on verification failure
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- DSG-3944 Removed timeout warning for serialUPDI with a locked device
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- DSG-4419 Corrected AVR high voltage UPDI device data
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- DSG-3993 github-9 Corrected AVR signature sizes to make additional data available
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## [3.10] - October 2021
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### Added
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- DSG-2702 Add serialupdi backend for AVR EA
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- DSG-3633 github-3 Add missing AVR-DB devices
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- DSG-3635 github-4 Add missing ATtiny devices
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- DSG-3662 Add ascii-art for serialUPDI
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- DSG-3804 Add py39 metadata to package
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- DSG-3943 github-7 Add CLI documentation
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### Fixed
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- DSG-2859 github-1 serialUPDI write user_row on locked device fails
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- DSG-3538 github-2 Unable to write fuses on ATmega4809 using serialUPDI
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- DSG-3817 SAM D21 user row programming fails
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- DSG-3952 Incorrect size of FUSES on Dx, Ex devices
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## [3.9] - April 2021
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### Added
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- DSG-2920 Raise exception if device ID does not match
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- DSG-2918 SerialUPDI: error recovery if non-ascii characters are read in SIB
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- DSG-2861 Valid memory types are listed if an invalid one is specified
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### Fixed
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- DSG-3238 PIC16 eeprom displays incorrect address
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- DSG-3239 PIC16 eeprom verification does not work
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- DSG-2925 UPDI device revision not correctly parsed/displayed
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- DSG-2860 SerialUPDI: chip erase does not work on locked device
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- DSG-2857 SerialUPDI: crash when writing lockbits
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- DSG-2855 Verify action fails if hex file contains eeprom content
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- DSG-2854 User row excluded when reading to hex file
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- DSG-2850 UPDI device model fix (sram)
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### Changed
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- DSG-2862 Improved exception handling
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- DSG-3203 Improved exception handling
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- DSG-3178 Cosmetic changes for publication
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## [3.7.4] - December 2020
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### Added
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- DSG-1492 Added verify function
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- DSG-2039 Added all UPDI devices
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- DSG-2279 Added error codes
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- DSG-1550 Flash-only erase
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### Fixed
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- DSG-2470 No feedback when multiple kits are connected
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- DSG-2014 Error when reading using -m and -o but no -b
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- DSG-2738 Padding to page size when writing user row on locked device
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### Changed
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- DSG-2234 Logging using logging module
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- DSG-2034 prevent read using -b with no -m specified
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- DSG-2009 prevent writing from hexfile with memory type specified
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- DSG-2012 prevent writing from hexfile with offset specified
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- DSG-2458 documentation changes
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- DSG-2041 documentation changes
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- DSG-2042 documentation changes
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- DSG-2043 documentation changes
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- DSG-2011 documentation changes
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## [3.1.3] - June 2020
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- First public release to PyPi

‎LICENSE.txt‎

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The MIT License
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Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.

‎MANIFEST.in‎

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include pymcuprog/logging.yaml
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include images/microchip.png
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# These files are read in setup.py so they must be included in the source zip for pip to be able to install the zip
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# Note however that since the files are not a part of the package (not inside the pymcuprog sub folder)
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# they won't be included in the python wheel.
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include pypi.md
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include requirements.txt

‎README.md‎

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[![MCHP](images/microchip.png)](https://www.microchip.com)
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# pymcuprog - Python MCU programmer
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pymcuprog is a Python utility for programming various Microchip MCU devices using Microchip CMSIS-DAP based debuggers
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Install using pip from [pypi](https://pypi.org/project/pymcuprog):
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```bash
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pip install pymcuprog
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```
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Browse source code on [github](https://github.com/microchip-pic-avr-tools/pymcuprog)
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Read API documentation on [github](https://microchip-pic-avr-tools.github.io/pymcuprog)
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Read the changelog on [github](https://github.com/microchip-pic-avr-tools/pymcuprog/blob/main/CHANGELOG.md)
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## Usage
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pymcuprog can be used as a command-line interface or a library
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### CLI help
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For more help with using pymcuprog CLI see [help](./help.md)
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### CLI examples
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When installed using pip, pymcuprog CLI is located in the Python scripts folder.
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Test connectivity by reading the device ID using Curiosity Nano:
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```bash
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pymcuprog ping
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```
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Erase memories then write contents of an Intel(R) hex file to flash using Curiosity Nano (pymcuprog does NOT automatically erase before writing):
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```bash
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pymcuprog erase
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pymcuprog write -f app.hex
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```
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Erase memories and write an Intel hex file (using the --erase switch):
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```bash
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pymcuprog write -f app.hex --erase
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```
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Erase memories, write an Intel hex file and verify the content:
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```bash
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pymcuprog write -f app.hex --erase --verify
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```
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### Serial port UPDI (pyupdi)
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The AVR UPDI interface implements a UART protocol, which means that it can be used by simply connecting TX and RX pins of a serial port together with the UPDI pin; with a series resistor (eg: 1k) between TX and UPDI to handle contention. (This configuration is also known as "pyupdi".) Be sure to connect a common ground, and use a TTL serial adapter running at the same voltage as the AVR device.
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<pre>
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Vcc Vcc
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+-+ +-+
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| |
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+---------------------+ | | +--------------------+
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| Serial port +-+ +-+ AVR device |
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| | +----------+ | |
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| TX +------+ 1k +---------+ UPDI |
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| | +----------+ | | |
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| | | | |
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| RX +----------------------+ | |
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| | | |
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| +--+ +--+ |
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+---------------------+ | | +--------------------+
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+-+ +-+
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GND GND
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</pre>
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pymcuprog includes this implementation as an alternative to USB/EDBG-based tools. To connect via a serial port, use the "uart" tool type with the UART switch in addition.
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Example: checks connectivity by reading the device identity
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```bash
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pymcuprog ping -d avr128da48 -t uart -u com35
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```
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When using serial port UPDI it is optional to use:
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* --clk BAUD to specify the baud rate (defaults to 115200)
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* --uart-timeout TIMEOUT to specify the uart read timeout (defaults to 1.0s)
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Increasing the baud rate can decrease programming time. Decreasing the timeout can decrease the initial connection latency when UPDI is disabled and does not respond. These parameters can be tweaked to suit the serial port adapter in use.
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For more examples see [pymcuprog on pypi.org](https://pypi.org/project/pymcuprog/)
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### Library usage example
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pymcuprog can be used as a library using its backend API. For example:
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```python
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"""
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Example usage of pymcuprog as a library to read the device ID
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"""
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# pymcuprog uses the Python logging module
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import logging
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logging.basicConfig(format="%(levelname)s: %(message)s", level=logging.WARNING)
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# Configure the session
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from pymcuprog.backend import SessionConfig
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sessionconfig = SessionConfig("atmega4808")
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# Instantiate USB transport (only 1 tool connected)
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from pymcuprog.toolconnection import ToolUsbHidConnection
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transport = ToolUsbHidConnection()
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# Instantiate backend
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from pymcuprog.backend import Backend
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backend = Backend()
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# Connect to tool using transport
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backend.connect_to_tool(transport)
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# Start the session
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backend.start_session(sessionconfig)
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# Read the target device_id
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device_id = backend.read_device_id()
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print ("Device ID is {0:06X}".format(int.from_bytes(device_id, byteorder="little")))
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```
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## Supported devices and tools
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pymcuprog is primarily intended for use with PKOB nano (nEDBG) debuggers which are found on Curiosity Nano kits and other development boards. This means that it is continuously tested with a selection of AVR devices with UPDI interface as well as a selection of PIC devices. However since the protocol is compatible between all EDBG-based debuggers (pyedbglib) it is possible to use pymcuprog with a wide range of debuggers and devices, although not all device families/interfaces have been implemented.
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### Debuggers / Tools
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pymcuprog supports:
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* PKOB nano (nEDBG) - on-board debugger on Curiosity Nano
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* MPLAB PICkit 4 In-Circuit Debugger (when in 'AVR mode')
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* MPLAB Snap In-Circuit Debugger (when in 'AVR mode')
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* Atmel-ICE
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* Power Debugger
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* EDBG - on-board debugger on Xplained Pro/Ultra
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* mEDBG - on-board debugger on Xplained Mini/Nano
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* JTAGICE3 (firmware version 3.0 or newer)
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Although not all functionality is provided on all debuggers/boards. See device support section below.
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### Devices
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pymcuprog supports:
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* All UPDI devices, whether mounted on kits or standalone
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* PIC devices mounted on Curiosity Nano kits, or similar board with PKOB nano (nEDBG) debugger
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Other devices (eg ATmega328P, ATsamd21e18a) may be partially supported for experimental purposes
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## Notes for Linux® systems
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This package uses pyedbglib and other libraries for USB transport and some udev rules are required. For details see the pyedbglib package: https://pypi.org/project/pyedbglib

‎doc/Makefile‎

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# Minimal makefile for Sphinx documentation
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#
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# You can set these variables from the command line, and also
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# from the environment for the first two.
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SPHINXOPTS ?=
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SPHINXBUILD ?= sphinx-build
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SOURCEDIR = source
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BUILDDIR = build
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# Put it first so that "make" without argument is like "make help".
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help:
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@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
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.PHONY: help Makefile
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# Catch-all target: route all unknown targets to Sphinx using the new
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# "make mode" option. $(O) is meant as a shortcut for $(SPHINXOPTS).
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%: Makefile
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@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

‎doc/make.bat‎

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@ECHO OFF
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pushd %~dp0
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REM Command file for Sphinx documentation
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if "%SPHINXBUILD%" == "" (
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set SPHINXBUILD=sphinx-build
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)
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set SOURCEDIR=source
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set BUILDDIR=build
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if "%1" == "" goto help
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%SPHINXBUILD% >NUL 2>NUL
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if errorlevel 9009 (
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echo.
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echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
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echo.installed, then set the SPHINXBUILD environment variable to point
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echo.to the full path of the 'sphinx-build' executable. Alternatively you
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echo.may add the Sphinx directory to PATH.
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echo.
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echo.If you don't have Sphinx installed, grab it from
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echo.http://sphinx-doc.org/
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exit /b 1
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)
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%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
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goto end
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:help
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%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
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:end
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popd

‎doc/requirements.txt‎

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# No requirements - all are mocked.

‎doc/source/_static/.keep‎

Whitespace-only changes.

‎doc/source/_templates/module.rst_t‎

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{%- if show_headings %}
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{{- basename | e | heading }}
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{% endif -%}
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.. automodule:: {{ qualname }}
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{%- for option in automodule_options %}
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:{{ option }}:
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{%- endfor %}
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‎doc/source/_templates/package.rst_t‎

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{%- macro automodule(modname, options) -%}
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.. automodule:: {{ modname }}
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{%- for option in options %}
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:{{ option }}:
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{%- endfor %}
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{%- endmacro %}
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{%- macro toctree(docnames) -%}
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.. toctree::
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:maxdepth: {{ maxdepth }}
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{% for docname in docnames %}
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{{ docname }}
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{%- endfor %}
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{%- endmacro %}
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{%- if is_namespace %}
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{{- [pkgname, "namespace"] | join(" ") | e | heading }}
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{% else %}
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{{- pkgname | e | heading }}
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{% endif %}
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{%- if modulefirst and not is_namespace %}
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{{ automodule(pkgname, automodule_options) }}
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{% endif %}
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{%- if subpackages %}
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{{ toctree(subpackages) }}
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{% endif %}
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{%- if submodules %}
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{% if separatemodules %}
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{{ toctree(submodules) }}
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{%- else %}
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{%- for submodule in submodules %}
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{% if show_headings %}
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{{- submodule | e | heading(2) }}
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{% endif %}
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{{ automodule(submodule, automodule_options) }}
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{% endfor %}
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{%- endif %}
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{% endif %}
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{%- if not modulefirst and not is_namespace %}
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{{ automodule(pkgname, automodule_options) }}
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{% endif %}

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