X-Git-Url: http://git.techno-innov.fr/?a=blobdiff_plain;f=host%2Fexanh_datalog%2Fserial_utils.c;fp=host%2Fexanh_datalog%2Fserial_utils.c;h=700c11b013de48961bbfbb8cfc10ac8c3f68b314;hb=bdbab0310828ef5453ef5592309f2ba6b2bd2716;hp=0000000000000000000000000000000000000000;hpb=82be76c1ee7156036b72211214ffd25196823346;p=soft%2Flpc82x%2Fexanh

diff --git a/host/exanh_datalog/serial_utils.c b/host/exanh_datalog/serial_utils.c
new file mode 100644
index 0000000..700c11b
--- /dev/null
+++ b/host/exanh_datalog/serial_utils.c
@@ -0,0 +1,59 @@
+/*********************************************************************
+ *
+ *   Serial utility functions
+ *
+ *
+ * Copyright 2012-2014 Nathael Pajani <nathael.pajani@ed3l.fr>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ *********************************************************************/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+
+#define SERIAL_BAUD  B115200
+
+
+int serial_setup(char* name)
+{
+	struct termios tio;
+	int fd = -1;
+
+	/* Open serial port */
+	fd = open(name, O_RDWR | O_NONBLOCK);
+	if (fd < 0) {
+		perror("Unable to open communication with companion chip");
+		return -1;
+	}
+	/* Setup serial port */
+	memset(&tio, 0, sizeof(tio));
+	tio.c_cflag = CS8 | CREAD | CLOCAL;	/* 8n1, see termios.h for more information */
+	tio.c_cc[VMIN] = 1;
+	tio.c_cc[VTIME] = 5;
+	cfsetospeed(&tio, SERIAL_BAUD);
+	cfsetispeed(&tio, SERIAL_BAUD);
+	tcsetattr(fd, TCSANOW, &tio);
+
+	return fd;
+}
+