From: Alvaro Silva <alvaro.silva@xxxxxxxxxxxxx>
This patch extends the gatt-service.c example adding a generic callback
to allow set the characteristic Value. It doesn't check for
characteristic properties yet.
---
tools/gatt-service.c | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/tools/gatt-service.c b/tools/gatt-service.c
index 25528ca..481495c 100644
--- a/tools/gatt-service.c
+++ b/tools/gatt-service.c
@@ -35,6 +35,8 @@
#include <dbus/dbus.h>
#include <gdbus/gdbus.h>
+#include "src/error.h"
+
#define GATT_MGR_IFACE "org.bluez.GattManager1"
#define GATT_SERVICE_IFACE "org.bluez.GattService1"
#define GATT_CHR_IFACE "org.bluez.GattCharacteristic1"
@@ -81,9 +83,38 @@ static gboolean chr_get_value(const GDBusPropertyTable *property,
return TRUE;
}
+static void chr_set_value(const GDBusPropertyTable *property,
+ DBusMessageIter *iter,
+ GDBusPendingPropertySet id, void *user_data)
+{
+ struct characteristic *chr = user_data;
+ DBusMessageIter array;
+ uint8_t *value;
+ int len;
+
+ printf("Set('Value', ...)\n");
+
+ if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY) {
+ printf("Invalid value for Set('Value'...)\n");
+ g_dbus_pending_property_error(id,
+ ERROR_INTERFACE ".InvalidArguments",
+ "Invalid arguments in method call");
+ return;
+ }
+
+ dbus_message_iter_recurse(iter, &array);
+ dbus_message_iter_get_fixed_array(&array, &value, &len);
+
+ g_free(chr->value);
+ chr->value = g_memdup(value, len);
+ chr->vlen = len;
+
+ g_dbus_pending_property_success(id);
+}
+
static const GDBusPropertyTable chr_properties[] = {
{ "UUID", "s", chr_get_uuid },
- { "Value", "ay", chr_get_value, NULL, NULL },
+ { "Value", "ay", chr_get_value, chr_set_value, NULL },
{ }
};
--
1.8.3.1
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