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-rw-r--r--src/ao.h10
-rw-r--r--src/ao_gps_print.c4
-rw-r--r--src/ao_gps_report.c12
-rw-r--r--src/ao_gps_skytraq.c67
-rw-r--r--src/ao_gps_test.c4
-rw-r--r--src/ao_gps_test_skytraq.c4
6 files changed, 92 insertions, 9 deletions
diff --git a/src/ao.h b/src/ao.h
index f266ac64..c1a0f6e3 100644
--- a/src/ao.h
+++ b/src/ao.h
@@ -493,6 +493,7 @@ ao_ee_init(void);
#define AO_LOG_GPS_LON 'W'
#define AO_LOG_GPS_ALT 'H'
#define AO_LOG_GPS_SAT 'V'
+#define AO_LOG_GPS_DATE 'Y'
#define AO_LOG_POS_NONE (~0UL)
@@ -539,6 +540,11 @@ struct ao_log_record {
uint8_t c_n;
} gps_sat;
struct {
+ uint8_t year;
+ uint8_t month;
+ uint8_t day;
+ } gps_date;
+ struct {
uint16_t d0;
uint16_t d1;
} anon;
@@ -720,8 +726,12 @@ ao_serial_init(void);
#define AO_GPS_VALID (1 << 4)
#define AO_GPS_RUNNING (1 << 5)
+#define AO_GPS_DATE_VALID (1 << 6)
struct ao_gps_data {
+ uint8_t year;
+ uint8_t month;
+ uint8_t day;
uint8_t hour;
uint8_t minute;
uint8_t second;
diff --git a/src/ao_gps_print.c b/src/ao_gps_print.c
index cc751337..95439ec7 100644
--- a/src/ao_gps_print.c
+++ b/src/ao_gps_print.c
@@ -53,6 +53,10 @@ ao_gps_print(__xdata struct ao_gps_data *gps_data) __reentrant
ao_gps_split(gps_data->latitude, &lat);
ao_gps_split(gps_data->longitude, &lon);
+ printf(" 20%02d-%02d-%02d",
+ gps_data->year,
+ gps_data->month,
+ gps_data->day);
printf(" %2d:%02d:%02d",
gps_data->hour,
gps_data->minute,
diff --git a/src/ao_gps_report.c b/src/ao_gps_report.c
index 75c944f5..e3e27523 100644
--- a/src/ao_gps_report.c
+++ b/src/ao_gps_report.c
@@ -22,6 +22,7 @@ ao_gps_report(void)
{
static __xdata struct ao_log_record gps_log;
static __xdata struct ao_gps_data gps_data;
+ uint8_t date_reported = 0;
for (;;) {
ao_sleep(&ao_gps_data);
@@ -49,6 +50,14 @@ ao_gps_report(void)
gps_log.u.gps_altitude.altitude = gps_data.altitude;
gps_log.u.gps_altitude.unused = 0xffff;
ao_log_data(&gps_log);
+ if (!date_reported && (gps_data.flags & AO_GPS_DATE_VALID)) {
+ date_reported = 1;
+ gps_log.type = AO_LOG_GPS_DATE;
+ gps_log.u.gps_date.year = gps_data.year;
+ gps_log.u.gps_date.month = gps_data.month;
+ gps_log.u.gps_date.day = gps_data.day;
+ ao_log_data(&gps_log);
+ }
}
}
@@ -71,8 +80,7 @@ ao_gps_tracking_report(void)
gps_log.tick = ao_time();
gps_log.type = AO_LOG_GPS_SAT;
for (c = 0; c < n; c++)
- if ((gps_log.u.gps_sat.svid = gps_tracking_data.sats[c].svid) &&
- (gps_log.u.gps_sat.state = gps_tracking_data.sats[c].state))
+ if ((gps_log.u.gps_sat.svid = gps_tracking_data.sats[c].svid))
{
gps_log.u.gps_sat.c_n = gps_tracking_data.sats[c].c_n_1;
ao_log_data(&gps_log);
diff --git a/src/ao_gps_skytraq.c b/src/ao_gps_skytraq.c
index cd5f78b9..b2eef04b 100644
--- a/src/ao_gps_skytraq.c
+++ b/src/ao_gps_skytraq.c
@@ -19,9 +19,9 @@
#include "ao.h"
#endif
-#define AO_GPS_LEADER 3
+#define AO_GPS_LEADER 2
-static const char ao_gps_header[] = "GPG";
+static const char ao_gps_header[] = "GP";
__xdata uint8_t ao_gps_mutex;
static __xdata char ao_gps_char;
@@ -32,6 +32,7 @@ __xdata struct ao_gps_data ao_gps_data;
__xdata struct ao_gps_tracking_data ao_gps_tracking_data;
static __xdata struct ao_gps_data ao_gps_next;
+static __xdata uint8_t ao_gps_date_flags;
static __xdata struct ao_gps_tracking_data ao_gps_tracking_next;
static const char ao_gps_config[] = {
@@ -181,7 +182,7 @@ ao_gps_parse_flag(char no_c, char yes_c) __reentrant
void
ao_gps(void) __reentrant
{
- char c;
+ char a, c;
uint8_t i;
ao_serial_set_speed(AO_SERIAL_SPEED_9600);
@@ -198,7 +199,7 @@ ao_gps(void) __reentrant
ao_gps_cksum = 0;
ao_gps_error = 0;
- /* Skip anything other than GPG */
+ /* Skip anything other than GP */
for (i = 0; i < AO_GPS_LEADER; i++) {
ao_gps_lexchar();
if (ao_gps_char != ao_gps_header[i])
@@ -209,6 +210,8 @@ ao_gps(void) __reentrant
/* pull the record identifier characters off the link */
ao_gps_lexchar();
+ a = ao_gps_char;
+ ao_gps_lexchar();
c = ao_gps_char;
ao_gps_lexchar();
i = ao_gps_char;
@@ -216,7 +219,7 @@ ao_gps(void) __reentrant
if (ao_gps_char != ',')
continue;
- if (c == (uint8_t) 'G' && i == (uint8_t) 'A') {
+ if (a == (uint8_t) 'G' && c == (uint8_t) 'G' && i == (uint8_t) 'A') {
/* Now read the data into the gps data record
*
* $GPGGA,025149.000,4528.1723,N,12244.2480,W,1,05,2.0,103.5,M,-19.5,M,,0000*66
@@ -245,7 +248,7 @@ ao_gps(void) __reentrant
* *66 checksum
*/
- ao_gps_next.flags = AO_GPS_RUNNING;
+ ao_gps_next.flags = AO_GPS_RUNNING | ao_gps_date_flags;
ao_gps_next.hour = ao_gps_decimal(2);
ao_gps_next.minute = ao_gps_decimal(2);
ao_gps_next.second = ao_gps_decimal(2);
@@ -290,7 +293,7 @@ ao_gps(void) __reentrant
ao_mutex_put(&ao_gps_mutex);
ao_wakeup(&ao_gps_data);
}
- } else if (c == (uint8_t) 'S' && i == (uint8_t) 'V') {
+ } else if (a == (uint8_t) 'G' && c == (uint8_t) 'S' && i == (uint8_t) 'V') {
uint8_t done;
/* Now read the data into the GPS tracking data record
*
@@ -345,6 +348,56 @@ ao_gps(void) __reentrant
ao_mutex_put(&ao_gps_mutex);
ao_wakeup(&ao_gps_tracking_data);
}
+ } else if (a == (uint8_t) 'R' && c == (uint8_t) 'M' && i == (uint8_t) 'C') {
+ /* Parse the RMC record to read out the current date */
+
+ /* $GPRMC,111636.932,A,2447.0949,N,12100.5223,E,000.0,000.0,030407,,,A*61
+ *
+ * Recommended Minimum Specific GNSS Data
+ *
+ * 111636.932 UTC time 11:16:36.932
+ * A Data Valid (V = receiver warning)
+ * 2447.0949 Latitude
+ * N North/south indicator
+ * 12100.5223 Longitude
+ * E East/west indicator
+ * 000.0 Speed over ground
+ * 000.0 Course over ground
+ * 030407 UTC date (ddmmyy format)
+ * A Mode indicator:
+ * N = data not valid
+ * A = autonomous mode
+ * D = differential mode
+ * E = estimated (dead reckoning) mode
+ * M = manual input mode
+ * S = simulator mode
+ * 61 checksum
+ */
+ ao_gps_skip_field();
+ for (i = 0; i < 8; i++) {
+ ao_gps_lexchar();
+ ao_gps_skip_field();
+ }
+ a = ao_gps_decimal(2);
+ c = ao_gps_decimal(2);
+ i = ao_gps_decimal(2);
+ /* Skip remaining fields */
+ while (ao_gps_char != '*' && ao_gps_char != '\n' && ao_gps_char != '\r') {
+ ao_gps_lexchar();
+ ao_gps_skip_field();
+ }
+ if (ao_gps_char == '*') {
+ uint8_t cksum = ao_gps_cksum ^ '*';
+ if (cksum != ao_gps_hex(2))
+ ao_gps_error = 1;
+ } else
+ ao_gps_error = 1;
+ if (!ao_gps_error) {
+ ao_gps_next.year = i;
+ ao_gps_next.month = c;
+ ao_gps_next.day = a;
+ ao_gps_date_flags = AO_GPS_DATE_VALID;
+ }
}
}
}
diff --git a/src/ao_gps_test.c b/src/ao_gps_test.c
index 366bca71..3692f0e5 100644
--- a/src/ao_gps_test.c
+++ b/src/ao_gps_test.c
@@ -27,8 +27,12 @@
#define AO_GPS_VALID (1 << 4)
#define AO_GPS_RUNNING (1 << 5)
+#define AO_GPS_DATE_VALID (1 << 6)
struct ao_gps_data {
+ uint8_t year;
+ uint8_t month;
+ uint8_t day;
uint8_t hour;
uint8_t minute;
uint8_t second;
diff --git a/src/ao_gps_test_skytraq.c b/src/ao_gps_test_skytraq.c
index 510bc419..ccf96378 100644
--- a/src/ao_gps_test_skytraq.c
+++ b/src/ao_gps_test_skytraq.c
@@ -27,8 +27,12 @@
#define AO_GPS_VALID (1 << 4)
#define AO_GPS_RUNNING (1 << 5)
+#define AO_GPS_DATE_VALID (1 << 6)
struct ao_gps_data {
+ uint8_t year;
+ uint8_t month;
+ uint8_t day;
uint8_t hour;
uint8_t minute;
uint8_t second;
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-15 22:48:00 +0000