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-rw-r--r--ucoolib/hal/spi/spi_soft.hh64
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diff --git a/ucoolib/hal/spi/spi_soft.hh b/ucoolib/hal/spi/spi_soft.hh
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--- a/ucoolib/hal/spi/spi_soft.hh
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-#ifndef ucoolib_hal_spi_spi_soft_hh
-#define ucoolib_hal_spi_spi_soft_hh
-// ucoolib - Microcontroller object oriented library. {{{
-//
-// Copyright (C) 2013 Nicolas Schodet
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-// DEALINGS IN THE SOFTWARE.
-//
-// }}}
-#include "ucoolib/intf/spi_master.hh"
-#include "ucoolib/intf/io.hh"
-
-namespace ucoo {
-
-/// Software implementation of a SPI master.
-class SpiSoftMaster : public SpiMaster
-{
- public:
- /// Constructor, need all SPI pins.
- SpiSoftMaster (Io &sck, Io &mosi, Io &miso);
- /// Destructor, disable.
- ~SpiSoftMaster ();
- /// Enable and setup.
- void enable (int speed_hz, SpiMode mode = SPI_MODE_0);
- /// Disable.
- void disable ();
- /// See SpiMaster::send_and_recv.
- void send_and_recv (const char *tx_buf, char *rx_buf, int count);
- /// Send and receive one byte.
- char send_and_recv (char tx);
- /// See SpiMaster::send.
- void send (const char *tx_buf, int count);
- /// Send one byte.
- void send (char tx);
- /// See SpiMaster::recv.
- void recv (char *rx_buf, int count);
- /// Receive one byte.
- char recv ();
- private:
- Io &sck_, &mosi_, &miso_;
- int half_period_ns_;
- bool cpha_;
- bool enabled_;
-};
-
-} // namespace ucoo
-
-#endif // ucoolib_hal_spi_spi_soft_hh