Moved all device to seperate directory

Added 'sedu' device based on RS232 device


Former-commit-id: 918cbde65a4a14f532c2e08e104745715c3fdd37

libsrc/hyperion/device/LedSpiDevice.cpp

@@ -0,0 +1,84 @@
+
+// STL includes
+#include <cstring>
+#include <cstdio>
+#include <iostream>
+
+// Linux includes
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+// Local Hyperion includes
+#include "LedSpiDevice.h"
+
+
+LedSpiDevice::LedSpiDevice(const std::string& outputDevice, const unsigned baudrate, const int latchTime_ns) :
+	mDeviceName(outputDevice),
+	mBaudRate_Hz(baudrate),
+	mLatchTime_ns(latchTime_ns),
+	mFid(-1)
+{
+	memset(&spi, 0, sizeof(spi));
+}
+
+LedSpiDevice::~LedSpiDevice()
+{
+//	close(mFid);
+}
+
+int LedSpiDevice::open()
+{
+	const int bitsPerWord = 8;
+
+	mFid = ::open(mDeviceName.c_str(), O_RDWR);
+
+	if (mFid < 0)
+	{
+		std::cerr << "Failed to open device('" << mDeviceName << "') " << std::endl;
+		return -1;
+	}
+
+	int mode = SPI_MODE_0;
+	if (ioctl(mFid, SPI_IOC_WR_MODE, &mode) == -1 || ioctl(mFid, SPI_IOC_RD_MODE, &mode) == -1)
+	{
+		return -2;
+	}
+
+	if (ioctl(mFid, SPI_IOC_WR_BITS_PER_WORD, &bitsPerWord) == -1 || ioctl(mFid, SPI_IOC_RD_BITS_PER_WORD, &bitsPerWord) == -1)
+	{
+		return -4;
+	}
+
+	if (ioctl(mFid, SPI_IOC_WR_MAX_SPEED_HZ, &mBaudRate_Hz) == -1 || ioctl(mFid, SPI_IOC_RD_MAX_SPEED_HZ, &mBaudRate_Hz) == -1)
+	{
+		return -6;
+	}
+
+	return 0;
+}
+
+int LedSpiDevice::writeBytes(const unsigned size, const uint8_t * data)
+{
+	if (mFid < 0)
+	{
+		return -1;
+	}
+
+	spi.tx_buf = __u64(data);
+	spi.len    = __u32(size);
+
+	int retVal = ioctl(mFid, SPI_IOC_MESSAGE(1), &spi);
+
+	if (retVal == 0 && mLatchTime_ns > 0)
+	{
+		// The 'latch' time for latching the shifted-value into the leds
+		timespec latchTime;
+		latchTime.tv_sec  = 0;
+		latchTime.tv_nsec = mLatchTime_ns;
+
+		// Sleep to latch the leds (only if write succesfull)
+		nanosleep(&latchTime, NULL);
+	}
+
+	return retVal;
+}