diff options
author | Arman Uguray <armansito@chromium.org> | 2014-09-10 09:36:25 -0700 |
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committer | Marcel Holtmann <marcel@holtmann.org> | 2014-09-11 02:57:35 +0200 |
commit | 01cefefecdac069de704883f9de36896363b1476 (patch) | |
tree | d97025a131a564e908f0af233b332e04675349e3 /tools/btgatt-client.c | |
parent | 151582e6a3438f6867af114f549e1088b684b828 (diff) | |
download | bluez-01cefefecdac069de704883f9de36896363b1476.tar.gz |
tools/btgatt-client: Add the "register-notify" command.
This patch adds the "register-notify" command, which registers a
notification/indication handler for a given characteristic value handle.
Diffstat (limited to 'tools/btgatt-client.c')
-rw-r--r-- | tools/btgatt-client.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/tools/btgatt-client.c b/tools/btgatt-client.c index 8bde1eeac..a51c7c007 100644 --- a/tools/btgatt-client.c +++ b/tools/btgatt-client.c @@ -702,6 +702,74 @@ static void cmd_write_long_value(struct client *cli, char *cmd_str) free(value); } +static void register_notify_usage(void) +{ + printf("Usage: register-notify <chrc value handle>\n"); +} + +static void notify_cb(uint16_t value_handle, const uint8_t *value, + uint16_t length, void *user_data) +{ + int i; + + printf("\n\tHandle Value Not/Ind: 0x%04x - ", value_handle); + + if (length == 0) { + PRLOG("(0 bytes)\n"); + return; + } + + printf("(%u bytes): ", length); + + for (i = 0; i < length; i++) + printf("%02x ", value[i]); + + PRLOG("\n"); +} + +static void register_notify_cb(unsigned int id, uint16_t att_ecode, + void *user_data) +{ + if (!id) { + PRLOG("Failed to register notify handler " + "- error code: 0x%02x\n", att_ecode); + return; + } + + PRLOG("Registered notify handler with id: %u\n", id); +} + +static void cmd_register_notify(struct client *cli, char *cmd_str) +{ + char *argv[2]; + int argc = 0; + uint16_t value_handle; + char *endptr = NULL; + + if (!bt_gatt_client_is_ready(cli->gatt)) { + printf("GATT client not initialized\n"); + return; + } + + if (!parse_args(cmd_str, 1, argv, &argc) || argc != 1) { + register_notify_usage(); + return; + } + + value_handle = strtol(argv[0], &endptr, 16); + if (!endptr || *endptr != '\0' || !value_handle) { + printf("Invalid value handle: %s\n", argv[0]); + return; + } + + if (!bt_gatt_client_register_notify(cli->gatt, value_handle, + register_notify_cb, + notify_cb, NULL, NULL)) + printf("Failed to register notify handler\n"); + + printf("\n"); +} + static void cmd_help(struct client *cli, char *cmd_str); typedef void (*command_func_t)(struct client *cli, char *cmd_str); @@ -721,6 +789,8 @@ static struct { "\tWrite a characteristic or descriptor value" }, { "write-long-value", cmd_write_long_value, "Write long characteristic or descriptor value" }, + { "register-notify", cmd_register_notify, + "\tSubscribe to not/ind from a characteristic" }, { } }; |