inout module infrastructure + binary input module

Makefile.am

@@ -40,6 +40,8 @@ libsigrok_la_SOURCES = \
 	hardware/zeroplus-logic-cube/gl_usb.c \
 	hardware/zeroplus-logic-cube/gl_usb.h \
 	hardware/zeroplus-logic-cube/zeroplus.c \
+	input/input_binary.c \
+	input/input.c \
 	output/output_binary.c \
 	output/output_text.c \
 	output/output_vcd.c \

input/input.c

@@ -0,0 +1,35 @@
+/*
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2010 Bert Vermeulen <bert@biot.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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <sigrok.h>
+
+extern struct input_format input_binary;
+
+struct input_format *input_module_list[] = {
+
+	/* this one has to be last, because it will take any input */
+	&input_binary,
+	NULL,
+};
+
+struct input_format **input_list(void)
+{
+
+	return input_module_list;
+}

input/input_binary.c

@@ -0,0 +1,83 @@
+/*
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2010 Bert Vermeulen <bert@biot.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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/time.h>
+
+#include <sigrok.h>
+
+#define CHUNKSIZE 4096
+
+
+static int format_match(char *filename)
+{
+
+	filename = NULL;
+
+	return TRUE;
+}
+
+
+/* TODO: number of probes hardcoded to 8 */
+static int in_loadfile(char *filename)
+{
+	struct datafeed_header header;
+	struct datafeed_packet packet;
+	char buffer[CHUNKSIZE];
+	int fd, size;
+
+	if( (fd = open(filename, O_RDONLY)) == -1)
+		return SIGROK_ERR;
+
+	header.feed_version = 1;
+	header.num_probes = 8;
+	header.protocol_id = PROTO_RAW;
+	header.samplerate = 0;
+	gettimeofday(&header.starttime, NULL);
+	packet.type = DF_HEADER;
+	packet.length = sizeof(struct datafeed_header);
+	packet.payload = &header;
+	session_bus(NULL, &packet);
+
+	packet.type = DF_LOGIC8;
+	packet.payload = buffer;
+	while( (size = read(fd, buffer, CHUNKSIZE)) > 0) {
+		packet.length = size;
+		session_bus(NULL, &packet);
+	}
+	close(fd);
+
+	packet.type = DF_END;
+	session_bus(NULL, &packet);
+
+
+	return SIGROK_OK;
+}
+
+
+struct input_format input_binary = {
+		"binary",
+		"Raw binary",
+		format_match,
+		in_loadfile
+};
+

sigrok.h

@@ -106,6 +106,25 @@ struct datafeed_header {
 	int num_probes;
 };
 
+/*
+ * Input
+ */
+struct input {
+	struct input_format *format;
+	void *param;
+	void *internal;
+};
+
+struct input_format {
+	char *extension;
+	char *description;
+	int (*format_match) (char *filename);
+	int (*in_loadfile) (char *filename);
+};
+
+struct input_format **input_list(void);
+
+
 /*
  * Output
  */
@@ -127,6 +146,8 @@ struct output_format {
 };
 
 struct output_format **output_list(void);
+
+
 int filter_probes(int in_unitsize, int out_unitsize, int *probelist,
 		  char *data_in, uint64_t length_in, char **data_out,
 		  uint64_t *length_out);