Bluetooth: Shell: Add GATT command set
This introduces set command to GATT which can be used to write local
attributes:
uart:~$ gatt set 0x000b 62 6c 61 68
attr 0x004235a8 uuid 2a00 perm 0x09
00000000: 62 6C 61 68
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
diff --git a/subsys/bluetooth/shell/gatt.c b/subsys/bluetooth/shell/gatt.c
index f3e4df1..22cc7bc 100644
--- a/subsys/bluetooth/shell/gatt.c
+++ b/subsys/bluetooth/shell/gatt.c
@@ -869,6 +869,63 @@
return 0;
}
+struct set_data {
+ const struct shell *shell;
+ size_t argc;
+ char **argv;
+ int err;
+};
+
+static u8_t set_cb(const struct bt_gatt_attr *attr, void *user_data)
+{
+ struct set_data *data = user_data;
+ u8_t buf[256];
+ int i;
+ ssize_t ret;
+
+ if (!attr->write) {
+ shell_error(data->shell, "Write not supported");
+ data->err = -ENOENT;
+ return BT_GATT_ITER_CONTINUE;
+ }
+
+ for (i = 0; i < data->argc; i++) {
+ buf[i] = strtoul(data->argv[i], NULL, 16);
+ }
+
+ ret = attr->write(NULL, attr, (void *)buf, i, 0, 0);
+ if (ret < 0) {
+ data->err = ret;
+ shell_error(data->shell, "Failed to write: %d", ret);
+ return BT_GATT_ITER_STOP;
+ }
+
+ return BT_GATT_ITER_CONTINUE;
+}
+
+static int cmd_set(const struct shell *shell, size_t argc, char *argv[])
+{
+ u16_t handle;
+ struct set_data data;
+
+ handle = strtoul(argv[1], NULL, 16);
+
+ data.shell = shell;
+ data.argc = argc - 2;
+ data.argv = argv + 2;
+ data.err = 0;
+
+ bt_gatt_foreach_attr(handle, handle, set_cb, &data);
+
+ if (data.err < 0) {
+ return -ENOEXEC;
+ }
+
+ bt_gatt_foreach_attr(handle, handle, get_cb, (void *)shell);
+
+ return 0;
+}
+
#define HELP_NONE "[none]"
SHELL_STATIC_SUBCMD_SET_CREATE(gatt_cmds,
@@ -912,6 +969,7 @@
"unregister pre-predefined test service",
cmd_unregister_test_svc, 1, 0),
SHELL_CMD_ARG(get, NULL, "<handle>", cmd_get, 2, 0),
+ SHELL_CMD_ARG(set, NULL, "<handle> [data...]", cmd_set, 2, 255),
SHELL_SUBCMD_SET_END
);
