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Add MQTT buttons!

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Pim van Pelt
2017-12-02 23:34:16 +01:00
parent 2b756cee3d
commit fae52bb543
7 changed files with 109 additions and 33 deletions
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23
src/widget.c
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@ -91,31 +91,12 @@ struct widget_t *widget_create_from_json(const char *json) {
widget->user_data = screen;
}
} else if (type == WIDGET_TYPE_MQTT_BUTTON) {
void *h = NULL;
char *mqtt = NULL;
struct json_token val;
int idx;
if (json_scanf(json, strlen(json), "{mqtt:%Q}", &mqtt) != 1) {
LOG(LL_WARN, ("Widget '%s' is of type MQTT_BUTTON but does not have attribute 'mqtt'", widget->name));
} else {
// Find length of all messages
uint16_t len=0;
char *p=NULL;
while ((h = json_next_elem(json, strlen(json), h, ".mqtt", &idx, &val)) != NULL) {
LOG(LL_INFO, ("[%d]: [%.*s]", idx, val.len, val.ptr));
len+=val.len;
}
LOG(LL_INFO, ("%d elements in the list, %d total length", idx, len));
p=malloc(len+1+idx);
memset(p, 0, len+1+idx);
while ((h = json_next_elem(json, strlen(json), h, ".mqtt", &idx, &val)) != NULL) {
strncat(p, val.ptr, val.len);
strncat(p, "\001", len+1+idx);
}
LOG(LL_INFO, ("String is '%.*s'", len+idx, p));
widget->user_data=p;
if(mqtt) free(mqtt);
if (widget->user_data) free(widget->user_data);
widget->user_data=mqtt;
}
}