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authorThierry Bultel <thierry.bultel@iot.bzh>2018-07-11 17:40:07 +0200
committerThierry Bultel <thierry.bultel@iot.bzh>2018-07-17 10:50:07 +0200
commit7db8c3df0b4abdb0bb643ca3220b3bfbc9a4db83 (patch)
treed04fcff3d5519779218b4c4ab49a1870f829cfeb /binding/radio_impl_kingfisher.c
parentb3303810b1edbe0a9bc7c066fb6c4ea96cb65c12 (diff)
added api verb for RDS information
Added a verb to retrieve the RDS information. Notice that it is only supported on the kingfisher implementation. Change-Id: I0e2a830ff77154eb8cbb780bb599fb49f71a5b1c Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
Diffstat (limited to 'binding/radio_impl_kingfisher.c')
-rw-r--r--binding/radio_impl_kingfisher.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/binding/radio_impl_kingfisher.c b/binding/radio_impl_kingfisher.c
index d88176d..e183c1b 100644
--- a/binding/radio_impl_kingfisher.c
+++ b/binding/radio_impl_kingfisher.c
@@ -250,6 +250,43 @@ static void kf_set_frequency_callback(radio_freq_callback_t callback,
freq_callback_data = data;
}
+static char * kf_get_rds_info(void) {
+ char cmd[SI_CTL_CMDLINE_MAXLEN];
+ char line[SI_CTL_OUTPUT_MAXLEN];
+ char * rds = NULL;
+ FILE *fp;
+
+ if (scanning)
+ goto done;
+
+ snprintf(cmd, SI_CTL_CMDLINE_MAXLEN, "%s /dev/i2c-12 0x65 -m", SI_CTL);
+ fp = popen(cmd, "r");
+ if(fp == NULL) {
+ fprintf(stderr, "Could not run: %s!\n", cmd);
+ goto done;
+ }
+ // Look for "Name:" in output
+ while (fgets(line, SI_CTL_OUTPUT_MAXLEN, fp) != NULL) {
+
+ char* nS = strstr(line, "Name:");
+ char * end;
+ if (!nS)
+ continue;
+
+ end = nS+strlen("Name:");
+ /* remove the trailing \n */
+ end[strlen(end)-1] = '\0';
+
+ rds = strdup(end);
+ break;
+ }
+
+ // Make sure si_ctl has finished
+ pclose(fp);
+done:
+ return rds;
+}
+
static radio_band_t kf_get_band(void)
{
return BAND_FM;
@@ -417,5 +454,6 @@ radio_impl_ops_t kf_impl_ops = {
.scan_start = kf_scan_start,
.scan_stop = kf_scan_stop,
.get_stereo_mode = kf_get_stereo_mode,
- .set_stereo_mode = kf_set_stereo_mode
+ .set_stereo_mode = kf_set_stereo_mode,
+ .get_rds_info = kf_get_rds_info
};