#ifndef ucoolib_hal_spi_spi_soft_hh #define ucoolib_hal_spi_spi_soft_hh // ucoolib - Microcontroller object oriented library. {{{ // // Copyright (C) 2013 Nicolas Schodet // // APBTeam: // Web: http://apbteam.org/ // Email: team AT apbteam DOT org // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // }}} #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