From 697d92d00cc020cadd00d2c67ac77f6109eeb16e Mon Sep 17 00:00:00 2001
From: Sebastian Reichel <sre@ring0.de>
Date: Sat, 28 Apr 2012 18:59:33 +0200
Subject: initial code import

---
 Makefile    |  12 +++++++
 main.vala   |  30 ++++++++++++++++
 serial.vala | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 web.vala    |  23 +++++++++++++
 4 files changed, 176 insertions(+)
 create mode 100644 Makefile
 create mode 100644 main.vala
 create mode 100644 serial.vala
 create mode 100644 web.vala

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..14f49d1
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,12 @@
+PREFIX=/usr/local
+
+barcode-scanner: main.vala serial.vala web.vala
+	valac --output $@ --pkg posix --pkg linux --pkg libsoup-2.4 $^
+
+install: barcode-scanner
+	install -m755 barcode-scanner $(DESTDIR)$(PREFIX)/bin/barcode-scanner
+
+clean:
+	rm -f barcode-scanner
+
+.PHONY: clean install
diff --git a/main.vala b/main.vala
new file mode 100644
index 0000000..bd71163
--- /dev/null
+++ b/main.vala
@@ -0,0 +1,30 @@
+public static int main(string[] args) {
+	if(args.length < 2) {
+		stderr.printf("%s <device>\n", args[0]);
+		return 1;
+	}
+
+	var s = new Serial(args[1], 19200, 7, 1);
+
+	char[] detected = {};
+
+	while(true) {
+		uint8 buf[64];
+		int size = (int) Posix.read(s.fd, buf, 64);
+
+		for(int i = 0; i < size; i++)
+			if(buf[i] != '\r' && buf[i] != '\n') {
+				detected += (char) buf[i];
+			} else {
+				if(detected.length > 0) {
+					detected += '\0';
+					interpret(detected);
+				}
+				detected = {};
+			}
+	}
+}
+
+public static void interpret(char[] data) {
+	stdout.printf("%s\n", (string) data);
+}
diff --git a/serial.vala b/serial.vala
new file mode 100644
index 0000000..480d73c
--- /dev/null
+++ b/serial.vala
@@ -0,0 +1,111 @@
+public class Serial {
+	private Posix.termios newtio;
+	private Posix.termios restoretio;
+	public int fd=-1;
+
+	public signal void new_data(uchar[] data);
+
+	public Serial(string device, int rate, int bits, int stopbits) {
+		Posix.speed_t baudrate = Posix.B9600;
+
+		fd = Posix.open(device, Posix.O_RDONLY | Posix.O_NONBLOCK);
+
+		if(fd < 0) {
+			fd = -1;
+			stderr.printf("Could not open device!\n");
+		}
+
+		Posix.tcflush(fd, Posix.TCIOFLUSH);
+
+		Posix.tcgetattr(fd, out restoretio);
+
+		/* apply settings */
+		switch(rate) {
+			case 300:
+				baudrate = Posix.B300;
+				break;
+			case 600:
+				baudrate = Posix.B600;
+				break;
+			case 1200:
+				baudrate = Posix.B1200;
+				break;
+			case 2400:
+				baudrate = Posix.B2400;
+				break;
+			case 4800:
+				baudrate = Posix.B4800;
+				break;
+			case 9600:
+				baudrate = Posix.B9600;
+				break;
+			case 19200:
+				baudrate = Posix.B19200;
+				break;
+			case 38400:
+				baudrate = Posix.B38400;
+				break;
+			case 57600:
+				baudrate = Posix.B57600;
+				break;
+			case 115200:
+				baudrate = Posix.B115200;
+				break;
+			case 230400:
+				baudrate = Posix.B230400;
+				break;
+			default:
+				/* not supported */
+				break;
+		}
+
+		Posix.cfsetospeed(ref newtio, baudrate);
+		Posix.cfsetispeed(ref newtio, baudrate);
+
+		switch(bits) {
+			case 5:
+				newtio.c_cflag = (newtio.c_cflag & ~Posix.CSIZE) | Posix.CS5;
+				break;
+			case 6:
+				newtio.c_cflag = (newtio.c_cflag & ~Posix.CSIZE) | Posix.CS6;
+				break;
+			case 7:
+				newtio.c_cflag = (newtio.c_cflag & ~Posix.CSIZE) | Posix.CS7;
+				break;
+			case 8:
+			default:
+				newtio.c_cflag = (newtio.c_cflag & ~Posix.CSIZE) | Posix.CS8;
+				break;
+		}
+
+		newtio.c_cflag |= Posix.CLOCAL | Posix.CREAD;
+
+		newtio.c_cflag &= ~(Posix.PARENB | Posix.PARODD);
+
+		/* TODO: parity */
+
+		newtio.c_cflag &= ~Linux.Termios.CRTSCTS;
+
+		if(stopbits == 2)
+			newtio.c_cflag |= Posix.CSTOPB;
+		else
+			newtio.c_cflag &= ~Posix.CSTOPB;
+
+		newtio.c_iflag = Posix.IGNBRK;
+
+		newtio.c_lflag = 0;
+		newtio.c_oflag = 0;
+
+		newtio.c_cc[Posix.VTIME]=1;
+		newtio.c_cc[Posix.VMIN]=1;
+
+		newtio.c_lflag &= ~(Posix.ECHONL|Posix.NOFLSH);
+
+		int mcs=0;
+		Posix.ioctl(fd, Linux.Termios.TIOCMGET, out mcs);
+		mcs |= Linux.Termios.TIOCM_RTS;
+		Posix.ioctl(fd, Linux.Termios.TIOCMSET, out mcs);
+
+		Posix.tcsetattr(fd, Posix.TCSANOW, newtio);
+	}
+}
diff --git a/web.vala b/web.vala
new file mode 100644
index 0000000..860e607
--- /dev/null
+++ b/web.vala
@@ -0,0 +1,23 @@
+public class Web {
+	private Soup.SessionAsync session;
+	private static string server = "https://shop.kreativitaet-trifft-technik.de";
+
+	public Web() {
+		session = new Soup.SessionAsync ();
+	}
+
+	public void login() {
+		var message = new Soup.Message ("GET", server+"/login");
+		session.send_message (message);
+	}
+
+	public void logout() {
+		var message = new Soup.Message ("GET", server+"/logout");
+		session.send_message (message);
+	}
+
+	public void add(string article) {
+		var message = new Soup.Message ("GET", server+"/buy");
+		session.send_message (message);
+	}
+}
-- 
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