ao-tools: Add ao-mega tool to parse TeleMega eeprom files

Signed-off-by: Keith Packard <keithp@keithp.com>

2 files changed, 161 insertions, 0 deletions

diff --git a/ao-tools/lib/Makefile.am b/ao-tools/lib/Makefile.am
index 1f8f2e42..fd4dab25 100644
--- a/ao-tools/lib/Makefile.am
+++ b/ao-tools/lib/Makefile.am
@@ -21,6 +21,7 @@ libao_tools_a_SOURCES = \
 	cc-convert.c \
 	cc-dsp.c \
 	cc-integrate.c \
+	cc-mega.c \
 	cc-period.c \
 	cc-process.c \
 	cc-usb.c \
diff --git a/ao-tools/lib/cc-mega.c b/ao-tools/lib/cc-mega.c
new file mode 100644
index 00000000..3aa24a6d
--- /dev/null
+++ b/ao-tools/lib/cc-mega.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.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; version 2 of the License.
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "cc.h"
+#include <string.h>
+#include <ctype.h>
+
+static const char *
+parse_hex(const char *data, int *result)
+{
+	char	d[12];
+	int 	x;
+	int	i;
+
+	while (isspace (*data))
+		data++;
+	for (i = 0; i < sizeof (d) - 1 && isxdigit(*data); i++)
+		d[i] = *data++;
+	d[i] = '\0';
+	if (sscanf(d, "%x", &x) != 1)
+		return NULL;
+	*result = x;
+	return data;
+}
+
+static const char *
+parse_uint16(const char *data, uint16_t *result)
+{
+	int	x;
+	data = parse_hex(data, &x);
+	*result =x;
+	return data;
+}
+
+static const char *
+parse_uint8(const char *data, uint8_t *result)
+{
+	int	x;
+	data = parse_hex(data, &x);
+	*result =x;
+	return data;
+}
+
+static int
+parse_eeprom(const char *input_line, struct ao_log_mega *l) {
+	const char	*line;
+	int	b;
+
+	if (input_line[1] != ' ')
+		return 0;
+	if (!isupper(input_line[0]))
+		return 0;
+
+	l->type = input_line[0];
+	l->is_config = 0;
+	line = input_line + 2;
+
+	line = parse_uint16(line, &l->tick);
+	for (b = 0; b < 28; b++) {
+		if (!line)
+			return 0;
+		line = parse_uint8(line, &l->u.bytes[b]);
+	}
+	return 1;
+}
+
+#define YUP(t) do {				\
+		l->u.config_int.kind = (t);	\
+		l->is_config = 1;		\
+		return 1;			\
+	} while (0);
+
+static int
+parse_config(const char *input_line, struct ao_log_mega *l) {
+	if (sscanf (input_line, "Config version: %d.%d",
+		    &l->u.config_int.data[0],
+		    &l->u.config_int.data[1]))
+		YUP(AO_CONFIG_CONFIG);
+	if (sscanf (input_line, "Main deploy: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MAIN);
+	if (sscanf (input_line, "Apogee delay: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_APOGEE);
+	if (sscanf (input_line, "Apogee lockout: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_LOCKOUT);
+	if (sscanf (input_line, "Frequency: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_FREQUENCY);
+	if (sscanf (input_line, "Radio enable:  %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_RADIO_ENABLE);
+	if (sscanf (input_line, "Accel cal +1g: %d -1g: %d",
+		    &l->u.config_int.data[0],
+		    &l->u.config_int.data[1]))
+		YUP(AO_CONFIG_ACCEL_CAL);
+	if (sscanf (input_line, "Radio cal: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_RADIO_CAL);
+	if (sscanf (input_line, "Max flight log: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MAX_LOG);
+	if (sscanf (input_line, "Ignite mode: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_IGNITE_MODE);
+	if (sscanf (input_line, "Pad orientation: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_PAD_ORIENTATION);
+	if (sscanf (input_line, "serial-number %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_SERIAL_NUMBER);
+	if (sscanf (input_line, "log-format %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_LOG_FORMAT);
+	if (sscanf (input_line, "ms5607 reserved: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MS5607_RESERVED);
+	if (sscanf (input_line, "ms5607 sens: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MS5607_SENS);
+	if (sscanf (input_line, "ms5607 off: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MS5607_OFF);
+	if (sscanf (input_line, "ms5607 tcs: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MS5607_TCS);
+	if (sscanf (input_line, "ms5607 tco: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MS5607_TCO);
+	if (sscanf (input_line, "ms5607 tref: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MS5607_TREF);
+	if (sscanf (input_line, "ms5607 tempsens: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MS5607_TEMPSENS);
+	if (sscanf (input_line, "ms5607 crc: %d",
+		    &l->u.config_int.data[0]))
+		YUP(AO_CONFIG_MS5607_CRC);
+	return 0;
+}
+
+int
+cc_mega_parse(const char *input_line, struct ao_log_mega *l) {
+	return parse_eeprom(input_line, l) || parse_config(input_line, l);
+}