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Added support for transferring multi-packet payloads. |
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Fixed the mode macros and introduced better disconnection testing. |
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Added an explicit bus reset test. |
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Introduced a timeout for failed control requests and a delay upon retrying. |
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Fixed the mode macros and introduced better disconnection testing. |
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Complicated the state machine, adding various reset and wait states, introducing |
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Added elementary handling for maximum packet sizes. |
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Incorporated start-of-frame and keep-alive packet generation into the low and |
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Removed the superfluous second reset apparently done/expected by Windows. |
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Added configuration listing support. |
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Introduced a generic descriptor retrieval function, using it in device |
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Added device address setting and retrieval of the languages string descriptor. |
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Added clearing of the handshake/timeout interrupt. |
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Added a device abstraction, storage of device descriptors, and second reset handling. |
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Added detection of devices that are already connected. |
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Added a status payload transfer after the initial control message transfer. |
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Handle device disconnection and reconnection more elegantly. |
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Added the necessary bus reset sequence before device communication can occur. |
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Introduced a specific control request function since the data involved in such |
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Added tentative data transfer functionality. |
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Introduced convenience macros for host modes. |
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Introduced some device connection (and disconnection) handling. |
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Removed nanosleep and usleep delays. |
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Added missing interrupt status retrieval. |
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Fixed interrupt detection by testing for INT being low, not high. |
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Fixed the RESET pin state which, having been cleared, was preventing device initialisation. |
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Introduced register reading and writing functions. |
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Removed redundant half-duplex SPI functions. |
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Added a function to check the oscillator, although this does not seem to obtain |
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Moved the reset functionality into separate functions. |
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Added a simple pin test program. |
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Moved the reset functionality into separate functions. |
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Test programs for the USB Host Shield (test.c) and the M74HC595B1R shift register (shift.c). |
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