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authorEric S. Raymond <esr@thyrsus.com>2013-10-02 21:47:39 -0400
committerEric S. Raymond <esr@thyrsus.com>2013-10-02 21:47:39 -0400
commit0c5f6290709082d02c5877b9efa316c66fae7849 (patch)
treef89ca6fa56709bcf989ae11f1251baf719c8221b /drivers.c
parentd9221500f91a8e31baff9da9cc806040cd9b72fa (diff)
downloadgpsd-0c5f6290709082d02c5877b9efa316c66fae7849.tar.gz
Redirect more data to the GPS through gpsd_write().
Diffstat (limited to 'drivers.c')
-rw-r--r--drivers.c22
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers.c b/drivers.c
index cd609225..6a9dddb7 100644
--- a/drivers.c
+++ b/drivers.c
@@ -689,11 +689,13 @@ static const struct gps_type_t earthmate = {
*
**************************************************************************/
-static void tnt_add_checksum(char *sentence)
-/* add NMEA-style CRC checksum to a command */
+static ssize_t tnt_control_send(struct gps_device_t *session,
+ char *msg, size_t len UNUSED)
+/* send a control string in TNT native formal */
{
+ ssize_t status;
unsigned char sum = '\0';
- char c, *p = sentence;
+ char c, *p = msg;
if (*p == '@') {
p++;
@@ -701,7 +703,7 @@ static void tnt_add_checksum(char *sentence)
#ifdef __UNUSED__
else {
gpsd_report(session->context->debug, LOG_ERROR,
- "Bad TNT sentence: '%s'\n", sentence);
+ "Bad TNT sentence: '%s'\n", msg);
}
#endif /* __UNUSED__ */
while (((c = *p) != '\0')) {
@@ -709,18 +711,8 @@ static void tnt_add_checksum(char *sentence)
p++;
}
(void)snprintf(p, 6, "*%02X\r\n", (unsigned int)sum);
-}
-
-
-static ssize_t tnt_control_send(struct gps_device_t *session,
- char *msg, size_t len UNUSED)
-/* send a control string in TNT native formal */
-{
- ssize_t status;
- tnt_add_checksum(msg);
- status = write(session->gpsdata.gps_fd, msg, strlen(msg));
- (void)tcdrain(session->gpsdata.gps_fd);
+ status = gpsd_write(session, msg, strlen(msg));
return status;
}