implement atmostripe motor controller

1 files changed, 26 insertions, 1 deletions

diff --git a/hw/serial-device.vala b/hw/serial-device.vala
index bbd7698..cff68b9 100644
--- a/hw/serial-device.vala
+++ b/hw/serial-device.vala
@@ -13,8 +13,33 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+public errordomain SerialError {
+	IO_ERROR,
+	ERRNO,
+}
+
 public class SerialDevice : Device {
+	private int fd;
+
+	public void setup(string device) throws SerialError {
+		fd = Posix.open(device, Posix.O_RDWR);
+
+		if(fd < 0)
+			throw new SerialError.IO_ERROR("Could not open device!");
+
+		/* TODO */
+	}
+
+	~I2CDevice() {
+		Posix.close(fd);
+	}
 
-	/* TODO */
+	protected ssize_t read(void *buf, size_t count) {
+		return Posix.read(fd, buf, count);
+	}
 
+	protected ssize_t write(void *buf, size_t count) {
+		ssize_t size = Posix.write(fd, buf, count);
+		return size;
+	}
 }