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Improve ArduinoISP sketch#3500

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Oct 7, 2015

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Commits on Jul 13, 2015

• Be more specific about datatypes in the parameter struct.

  

  Randall Bohn (Huckle)

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  Peter Van Hoyweghen

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• Don't start_pmode if we're already in pmode.

  

  Randall Bohn (Huckle)

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  Peter Van Hoyweghen

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• Set error if GET_SIGN_ON not followed by CRC_EOP

  

  Randall Bohn (Huckle)

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  Peter Van Hoyweghen

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• Use SPI library.

  

  Randall Bohn (Huckle)

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  Peter Van Hoyweghen

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• Avoid delay in heartbeat. That way we can also set the baudrate back to the value used in the IDE. In fact, with this fix, baud rates of up to 115200 work also.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Simply use pin 10 to reset the target. It works for all Arduino's and allows the same "ArduinoISP shield" to be used on all of them. Such a shield has an ISP connector that: - wires MISO,MOSI, SCK,…

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  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• The delay between reset and the enter progmode command got lost when introducing the SPI library. Put it back in.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Support at89sx mcu's by adding the possibility to specify the polarity of the target reset signal.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Configure SPI pins as input when target is not in reset.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Implement bitbang SPI for slow clock devices. (Sylvan Butler).

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Configure the serial port to use. Prefer native USB port if the Arduino has one.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Fix typo: SPI_CLOCK_DIV128

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Don't pulse error led if avrdude enters programming mode twice

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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Commits on Jul 14, 2015

• Ensure minimum spi pulse width.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Use new style SPI::beginTransaction() api, make SPI_CLOCK configurable, select hardware or software SPI based on SPI_CLOCK.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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Commits on Jul 28, 2015

• Call SPI.beginTransaction() after SPI.begin()

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• BitBangedSPI::begin(): initialize levels of SCK and MOSI. Correct indentation.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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Commits on Jul 29, 2015

• Fix warnings. Use unsigned int to represent a (word) address: the compiler will use the most efficient type on each platform: 32 bit on arm,

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  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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Commits on Aug 26, 2015

• Reset target before driving SCK or MOSI, reset sequence as in AVR datasheets under "Serial Programming Algorithm"

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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Commits on Aug 30, 2015

• Elaborate configuration of which pins to use: support HOODLOADER2 and old Uno style wiring.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Use digitalWrite() only with values HIGH and LOW.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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Commits on Aug 31, 2015

• Remove change history to make room for documentation.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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Commits on Sep 5, 2015

• Improve SPI clock configuration.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Rework pin configuration.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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• Add a define for baudrate configuration.

  

  Peter Van Hoyweghen

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  Peter Van Hoyweghen

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