adds abstraction for connection (#111)

hid/lib/drivers-avr/factory.cpp

@@ -24,6 +24,8 @@
 #include "ps2/hid.h"
 #include "factory.h"
 #include "eeprom.h"
+#include "serial.h"
+#include "spi.h"
 
 #ifndef ARDUINO_ARCH_AVR
 #	error "Only AVR is supported"
@@ -70,13 +72,23 @@ namespace DRIVERS {
 #			endif
 			default:
 				return new Storage(DRIVERS::DUMMY);
-        }
+		}
 	}
 
 	Board* Factory::makeBoard(type _type) {
 		switch (_type) {
 			default:
 				return new Board(DRIVERS::DUMMY);
-        }
+		}
+	}
+
+	Connection* Factory::makeConnection(type _type) {
+#		ifdef CMD_SERIAL
+		return new Serial();
+#		elif defined(CMD_SPI)
+		return new Spi();
+#		else
+#		error CMD phy is not defined
+#		endif		
 	}
 }

hid/lib/drivers-avr/spi.cpp

@@ -21,7 +21,8 @@
 
 
 #include "spi.h"
-
+#ifdef CMD_SPI
+#include <SPI.h>
 
 static volatile uint8_t _spi_in[8] = {0};
 static volatile uint8_t _spi_in_index = 0;
@@ -29,28 +30,26 @@ static volatile uint8_t _spi_in_index = 0;
 static volatile uint8_t _spi_out[8] = {0};
 static volatile uint8_t _spi_out_index = 0;
 
+namespace DRIVERS {
+	void Spi::begin() {
+		pinMode(MISO, OUTPUT);
+		SPCR = (1 << SPE) | (1 << SPIE); // Slave, SPI En, IRQ En
+	}
 
-void spiBegin() {
-	pinMode(MISO, OUTPUT);
-	SPCR = (1 << SPE) | (1 << SPIE); // Slave, SPI En, IRQ En
-}
+	void Spi::periodic() {
+		if (!_spi_out[0] && _spi_in_index == 8) {
+			_data_cb((const uint8_t *)_spi_in, 8);
+		}
+	}
 
-bool spiReady() {
-	return (!_spi_out[0] && _spi_in_index == 8);
-}
-
-const uint8_t *spiGet() {
-	return (const uint8_t *)_spi_in;
-}
-
-void spiWrite(const uint8_t *data) {
-	// Меджик в нулевом байте разрешает начать ответ
-	for (int index = 7; index >= 0; --index) {
-		_spi_out[index] = data[index];
+	void Spi::write(const uint8_t *data, size_t size) {
+		// Меджик в нулевом байте разрешает начать ответ
+		for (int index = 7; index >= 0; --index) {
+			_spi_out[index] = data[index];
+		}
 	}
 }
 
-
 ISR(SPI_STC_vect) {
 	uint8_t in = SPDR;
 	if (_spi_out[0] && _spi_out_index < 8) {
@@ -78,3 +77,4 @@ ISR(SPI_STC_vect) {
 		SPDR = 0;
 	}
 }
+#endif

hid/lib/drivers-avr/spi.h

@@ -0,0 +1,38 @@
+/*****************************************************************************
+#                                                                            #
+#    KVMD - The main PiKVM daemon.                                           #
+#                                                                            #
+#    Copyright (C) 2018-2022  Maxim Devaev <mdevaev@gmail.com>               #
+#                                                                            #
+#    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 3 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, see <https://www.gnu.org/licenses/>.  #
+#                                                                            #
+*****************************************************************************/
+
+
+#pragma once
+
+#include <Arduino.h>
+#include "connection.h"
+
+namespace DRIVERS {
+	struct Spi : public Connection {
+		Spi() : Connection(CONNECTION) {}
+
+		void begin() override;
+
+		void periodic() override;
+
+		void write(const uint8_t *data, size_t size) override;
+	};
+}