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-rw-r--r--binding/iiodevices-binding.c68
1 files changed, 53 insertions, 15 deletions
diff --git a/binding/iiodevices-binding.c b/binding/iiodevices-binding.c
index 0bd692a..a7cb3d6 100644
--- a/binding/iiodevices-binding.c
+++ b/binding/iiodevices-binding.c
@@ -137,7 +137,7 @@ static void init_dev(struct client_sub *client)
{
if(!client) {
AFB_ERROR("client is null");
- return NULL;
+ return;
}
if(!ctx)
@@ -146,7 +146,7 @@ static void init_dev(struct client_sub *client)
client->dev = iio_context_find_device(ctx, client->infos->dev_name);
if(!client->dev) {
AFB_ERROR("No %s device found", client->infos->dev_name);
- return NULL;
+ return;
}
}
@@ -157,18 +157,58 @@ static int read_infos(struct client_sub* client)
AFB_ERROR("client=%p or client->channels=%p or client->channels->chn=%p is null", client, client->channels, client->channels->chn);
return -1;
}
- struct iio_channel *chn = client->channels->chn;
- json_object *jobject = client->jobject;
+ json_object *jobject = NULL;
char val[100];
+ char keyfirst[100];
+ struct channels *channel = client->channels;
//read all infos
- for(int i = 0; i < iio_channel_get_attrs_count(chn); i++) {
- const char *id_attr = iio_channel_get_attr(chn, i);
- if(strcasecmp(id_attr, "raw")) { //do not take raw infos
- iio_channel_attr_read(chn, id_attr, val, 100);
- json_object *value = json_object_new_string(val);
- json_object_object_add(jobject, id_attr, value);
+ while(channel) {
+ for(int i = 0; i < iio_channel_get_attrs_count(channel->chn); i++) {
+ const char *id_attr = iio_channel_get_attr(channel->chn, i);
+ if(!id_attr) {
+ AFB_ERROR("cannot get attr from channel %d", i);
+ return -1;
+ }
+ if(strcasecmp(id_attr, "raw")) { //do not take raw infos
+ iio_channel_attr_read(channel->chn, id_attr, val, 100);
+
+ //first channel
+ if(client->channels == channel) {
+ json_object *value = json_object_new_string(val);
+ json_object_object_add(client->jobject, id_attr, value);
+ }
+ else { //other channels: keep same value and stored other values
+ /*no id_attr: looking for an already changed id*/
+ if(!json_object_object_get_ex(client->jobject, id_attr, &jobject))
+ {
+ strcpy(keyfirst, id_attr);
+ set_channel_name(keyfirst, client->channels->iioelts);
+ if(!json_object_object_get_ex(client->jobject, keyfirst, &jobject)) {
+ AFB_WARNING("cannot find %s keyfirst in json object",
+ keyfirst);
+ }
+ }
+
+ const char * valfisrt = json_object_get_string(jobject); //get first value channel
+ if(strcasecmp(val, valfisrt)) { //different value store it
+ char key[100];
+ strcpy(key, id_attr);
+ set_channel_name(key, channel->iioelts); //add channel suffix
+ json_object *value = json_object_new_string(val);
+ json_object_object_add(client->jobject, key, value);
+
+ //remove previous non unique key and replace it with suffix
+ strcpy(keyfirst, id_attr);
+ set_channel_name(keyfirst, client->channels->iioelts);
+ json_object *valuefirst = json_object_new_string(valfisrt);
+ json_object_object_add(client->jobject, keyfirst, valuefirst);
+ json_object_object_del(client->jobject, id_attr);
+ }
+ }
+ }
}
+ channel = channel->next;
}
return 0;
}
@@ -208,7 +248,7 @@ static struct client_sub* looking_for_previous(struct client_sub *client)
{
if(!client || !clients) {
AFB_ERROR("client or clients is null pointer");
- return;
+ return NULL;
}
struct client_sub* prev = clients;
while(prev->next != client) {
@@ -346,7 +386,7 @@ static struct channels* set_channel(
prev_chn->next = malloc(sizeof(struct channels));
if(!prev_chn->next) {
AFB_ERROR("alloc failed for channels");
- return;
+ return NULL;
}
struct channels *chn = prev_chn->next;
@@ -371,8 +411,6 @@ static void init_channel(struct client_sub* client, const unsigned int iioelts)
AFB_ERROR("client is null");
return;
}
- char event_name[100];
- const char *name = client->infos->id;
AFB_DEBUG("size of channels=%d", get_iio_nb(iioelts));
/*looking for the last channel: could be the first*/
@@ -420,7 +458,7 @@ static struct client_sub* is_new_client_sub_needed(struct iio_info* infos,
}
/*add new client with new event*/
-static struct client_sub *add_new_client(const struct iio_info *infos,
+static struct client_sub *add_new_client(struct iio_info *infos,
const enum iio_elements iioelts, const uint64_t u_period)
{
struct client_sub *client = malloc(sizeof(struct client_sub));