---
tools/btgatt-client.c | 138 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 138 insertions(+)
diff --git a/tools/btgatt-client.c b/tools/btgatt-client.c
index 62c4d3e..1cfeaba 100644
--- a/tools/btgatt-client.c
+++ b/tools/btgatt-client.c
@@ -831,6 +831,140 @@ static void cmd_write_long_value(struct client *cli, char *cmd_str)
free(value);
}
+static void write_prepare_usage(void)
+{
+ printf("Usage: write-prepare <value_handle> <offset> <value>\n"
+ "e.g.:\n"
+ "\twrite-prepare 0x0001 00 01 00\n");
+}
+
+static void cmd_write_prepare(struct client *cli, char *cmd_str)
+{
+ int i;
+ char *argvbuf[516];
+ char **argv = argvbuf;
+ int argc = 0;
+ uint16_t handle;
+ uint16_t offset;
+ char *endptr = NULL;
+ unsigned int length;
+ uint8_t *value = NULL;
+
+ if (!bt_gatt_client_is_ready(cli->gatt)) {
+ printf("GATT client not initialized\n");
+ return;
+ }
+
+ if (!parse_args(cmd_str, 514, argv, &argc)) {
+ printf("Too many arguments\n");
+ write_value_usage();
+ return;
+ }
+
+ if (argc < 3) {
+ write_prepare_usage();
+ return;
+ }
+
+ handle = strtol(argv[0], &endptr, 0);
+ if (!endptr || *endptr != '\0' || !handle) {
+ printf("Invalid handle: %s\n", argv[0]);
+ return;
+ }
+
+ endptr = NULL;
+ offset = strtol(argv[1], &endptr, 0);
+ if (!endptr || *endptr != '\0' || errno == ERANGE) {
+ printf("Invalid offset: %s\n", argv[1]);
+ return;
+ }
+
+ /*
+ * First two arguments are handle and offset. What remains is the value
+ * length
+ */
+ length = argc - 2;
+
+ if (length == 0)
+ goto done;
+
+ if (length > UINT16_MAX) {
+ printf("Write value too long\n");
+ return;
+ }
+
+ value = malloc(length);
+ if (!value) {
+ printf("Failed to allocate memory for value\n");
+ return;
+ }
+
+ for (i = 2; i < argc; i++) {
+ if (strlen(argv[i]) != 2) {
+ printf("Invalid value byte: %s\n", argv[i]);
+ free(value);
+ return;
+ }
+
+ value[i-2] = strtol(argv[i], &endptr, 0);
+ if (endptr == argv[i] || *endptr != '\0' || errno == ERANGE) {
+ printf("Invalid value byte: %s\n", argv[i]);
+ free(value);
+ return;
+ }
+ }
+
+done:
+ if (!bt_gatt_client_prepare_write(cli->gatt, handle, offset, value,
+ length, write_long_cb, NULL,
+ NULL))
+ printf("Failed to proceed prepare write\n");
+
+ free(value);
+}
+
+static void write_execute_usage(void)
+{
+ printf("Usage: write-execute <execute>\n"
+ "e.g.:\n"
+ "\twrite-execute 1\n");
+}
+
+static void cmd_write_execute(struct client *cli, char *cmd_str)
+{
+ char *argvbuf[516];
+ char **argv = argvbuf;
+ int argc = 0;
+ char *endptr = NULL;
+ bool execute;
+
+ if (!bt_gatt_client_is_ready(cli->gatt)) {
+ printf("GATT client not initialized\n");
+ return;
+ }
+
+ if (!parse_args(cmd_str, 514, argv, &argc)) {
+ printf("Too many arguments\n");
+ write_value_usage();
+ return;
+ }
+
+ if (argc < 1) {
+ write_execute_usage();
+ return;
+ }
+
+ execute = !!strtol(argv[0], &endptr, 0);
+ if (!endptr || *endptr != '\0') {
+ printf("Invalid execute: %s\n", argv[0]);
+ return;
+ }
+
+ if (!bt_gatt_client_write_execute(cli->gatt, execute, write_cb,
+ NULL, NULL))
+ printf("Failed to proceed write execute\n");
+}
+
static void register_notify_usage(void)
{
printf("Usage: register-notify <chrc value handle>\n");
@@ -955,6 +1089,10 @@ static struct {
"\tWrite a characteristic or descriptor value" },
{ "write-long-value", cmd_write_long_value,
"Write long characteristic or descriptor value" },
+ { "write-prepare", cmd_write_prepare,
+ "Write prepare characteristic or descriptor value" },
+ { "write-execute", cmd_write_execute,
+ "Execute already prepared write" },
{ "register-notify", cmd_register_notify,
"\tSubscribe to not/ind from a characteristic" },
{ "unregister-notify", cmd_unregister_notify,
--
1.8.4
--
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