Add serial baudrate configuration option. Default to 9600 bps.
Signed-off-by: Lars Munch <l...@segv.dk>
---
config.c | 1 +
ts2phc.8 | 23 ++++++++++++-----------
ts2phc_nmea_master.c | 10 +++++-----
3 files changed, 18 insertions(+), 16 deletions(-)
diff --git a/config.c b/config.c
index 4472d3d..a42a57f 100644
--- a/config.c
+++ b/config.c
@@ -319,6 +319,7 @@ struct config_item config_tab[] = {
GLOB_ITEM_STR("ts2phc.nmea_remote_host", ""),
GLOB_ITEM_STR("ts2phc.nmea_remote_port", ""),
GLOB_ITEM_STR("ts2phc.nmea_serialport", "/dev/ttyS0"),
+ PORT_ITEM_INT("ts2phc.nmea_baudrate", 9600, 0, INT_MAX),
PORT_ITEM_INT("ts2phc.pin_index", 0, 0, INT_MAX),
GLOB_ITEM_INT("ts2phc.pulsewidth", 500000000, 1000000, 999000000),
PORT_ITEM_ENU("tsproc_mode", TSPROC_FILTER, tsproc_enu),
diff --git a/ts2phc.8 b/ts2phc.8
index 99067c5..690c462 100644
--- a/ts2phc.8
+++ b/ts2phc.8
@@ -146,19 +146,20 @@ set to 0.0, the servo will never step the clock except on
start.
The default is 0.0.
.TP
.B ts2phc.nmea_remote_host, ts2phc.nmea_remote_port
-Specifies the serial port character device providing ToD information
-when using the "nmea" PPS signal source. Note that if these two
-options are both specified, then the given remote connection will be
-used in preference to the configured serial port.
-These options default to the empty string, that is, not specified.
-.TP
-.B ts2phc.nmea_serialport
-Specifies the serial port character device providing ToD information
-when using the "nmea" PPS signal source. Note that if the options,
-ts2phc.nmea_remote_host and ts2phc.nmea_remote_port, are both
+Specifies the remote host providing ToD information when using the
+"nmea" PPS signal source. Note that if these two options are both
specified, then the given remote connection will be used in preference
to the configured serial port.
-The default is "/dev/ttyS0".
+These options default to the empty string, that is, not specified.
+.TP
+.B ts2phc.nmea_serialport, ts2phc.nmea_baudrate
+Specifies the serial port and baudrate in bps for character device
+providing ToD information when using the "nmea" PPS signal source. Note
+that if the options, ts2phc.nmea_remote_host and
+ts2phc.nmea_remote_port, are both specified, then the given remote
+connection will be used in preference to the configured serial port.
+The default serial port is "/dev/ttyS0".
+The default baudrate is 9600 bps.
.TP
.B ts2phc.pulsewidth
The expected pulse width of the external PPS signal in nanoseconds.
diff --git a/ts2phc_nmea_master.c b/ts2phc_nmea_master.c
index 2fc460d..a383429 100644
--- a/ts2phc_nmea_master.c
+++ b/ts2phc_nmea_master.c
@@ -23,7 +23,6 @@
#include "ts2phc_nmea_master.h"
#include "util.h"
-#define BAUD 9600
#define MAX_RMC_AGE 5000000000ULL
#define NMEA_TMO 2000 /*milliseconds*/
@@ -45,7 +44,7 @@ struct ts2phc_nmea_master {
};
static int open_nmea_connection(const char *host, const char *port,
- const char *serialport)
+ const char *serialport, int baud)
{
int fd;
@@ -56,7 +55,7 @@ static int open_nmea_connection(const char *host, const char
*port,
}
return fd;
}
- fd = serial_open(serialport, BAUD, 0, 0);
+ fd = serial_open(serialport, baud, 0, 0);
if (fd == -1) {
pr_err("failed to open nmea source %s", serialport);
}
@@ -70,7 +69,7 @@ static void *monitor_nmea_status(void *arg)
char *host, input[256], *port, *ptr, *uart;
struct ts2phc_nmea_master *master = arg;
struct timespec rxtime, tmo = { 2, 0 };
- int cnt, num, parsed;
+ int cnt, num, parsed, baud;
struct nmea_rmc rmc;
struct timex ntx;
@@ -81,12 +80,13 @@ static void *monitor_nmea_status(void *arg)
host = config_get_string(master->config, NULL,
"ts2phc.nmea_remote_host");
port = config_get_string(master->config, NULL,
"ts2phc.nmea_remote_port");
uart = config_get_string(master->config, NULL,
"ts2phc.nmea_serialport");
+ baud = config_get_int(master->config, NULL, "ts2phc.nmea_baudrate");
memset(&ntx, 0, sizeof(ntx));
ntx.modes = ADJ_NANO;
while (is_running()) {
if (pfd.fd == -1) {
- pfd.fd = open_nmea_connection(host, port, uart);
+ pfd.fd = open_nmea_connection(host, port, uart, baud);
if (pfd.fd == -1) {
clock_nanosleep(CLOCK_MONOTONIC, 0, &tmo, NULL);
continue;
--
2.25.1
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