---
lib/mgmt.h | 8 ++++++
tools/btmgmt.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 82 insertions(+)
diff --git a/lib/mgmt.h b/lib/mgmt.h
index 6c7e44a..f1950b2 100644
--- a/lib/mgmt.h
+++ b/lib/mgmt.h
@@ -318,6 +318,13 @@ struct mgmt_cp_set_device_id {
uint16_t version;
} __packed;
+#define MGMT_OP_READ_CODECS 0x0029
+struct mgmt_rp_read_codecs {
+ uint8_t count;
+ uint8_t codec[0];
+} __packed;
+
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
uint16_t opcode;
@@ -496,6 +503,7 @@ static const char *mgmt_op[] = {
"Block Device",
"Unblock Device",
"Set Device ID",
+ "Read Codecs",
};
static const char *mgmt_ev[] = {
diff --git a/tools/btmgmt.c b/tools/btmgmt.c
index ff6a46a..857c3a8 100644
--- a/tools/btmgmt.c
+++ b/tools/btmgmt.c
@@ -993,6 +993,79 @@ static void cmd_info(int mgmt_sk, uint16_t index, int argc, char **argv)
}
}
+struct codecs_map {
+ int codec;
+ char *name;
+} codecs_map[] = {
+ { HCI_FORMAT_ULAW, "uLAW" },
+ { HCI_FORMAT_ALAW, "aLAW" },
+ { HCI_FORMAT_CVSD, "CVSD" },
+ { HCI_FORMAT_TRANSPARENT, "transparent" },
+ { HCI_FORMAT_PCM, "PCM" },
+ { HCI_FORMAT_MSBC, "mSBC" },
+ { HCI_FORMAT_VENDOR, "vendor" },
+ { -1 },
+};
+
+static void codecs_rsp(int mgmt_sk, uint16_t op, uint16_t id, uint8_t status,
+ void *rsp, uint16_t len, void *user_data)
+{
+ struct mgmt_rp_read_codecs *rp = rsp;
+ char addr[18];
+ int i, count;
+
+ if (status != 0) {
+ fprintf(stderr,
+ "Reading hci%u info failed with status 0x%02x (%s)\n",
+ id, status, mgmt_errstr(status));
+ exit(EXIT_FAILURE);
+ }
+
+ if (len < sizeof(*rp)) {
+ fprintf(stderr, "Too small codecs reply (%u bytes)\n", len);
+ exit(EXIT_FAILURE);
+ }
+
+ count = rp->count;
+
+ printf("hci%u:\tnumber of codecs: %u\n", id, count);
+
+ for (i = 0; i < count; i++) {
+ int entry;
+ struct codecs_map *p;
+
+ entry = rp->codec[i];
+
+ p = codecs_map;
+
+ while (p->codec != -1) {
+ if (entry == p->codec)
+ break;
+ else
+ p++;
+ }
+
+ if (p->codec != -1)
+ printf("\t%s (0x%x)\n", p->name, p->codec);
+ else
+ printf("\tunknown (0x%x)\n", p->codec);
+ }
+
+ exit(EXIT_SUCCESS);
+}
+
+static void cmd_codecs(int mgmt_sk, uint16_t index, int argc, char **argv)
+{
+ if (index == MGMT_INDEX_NONE)
+ index = 0;
+
+ if (mgmt_send_cmd(mgmt_sk, MGMT_OP_READ_CODECS, index, NULL,
+ 0, codecs_rsp, NULL) < 0) {
+ fprintf(stderr, "Unable to send read_info cmd\n");
+ exit(EXIT_FAILURE);
+ }
+}
+
static void setting_rsp(int mgmt_sk, uint16_t op, uint16_t id, uint8_t status,
void *rsp, uint16_t len, void *user_data)
{
@@ -1824,6 +1897,7 @@ static struct {
{ "version", cmd_version, "Get the MGMT Version" },
{ "commands", cmd_commands, "List supported commands" },
{ "info", cmd_info, "Show controller info" },
+ { "codecs", cmd_codecs, "List supported codecs" },
{ "power", cmd_power, "Toggle powered state" },
{ "discov", cmd_discov, "Toggle discoverable state" },
{ "connectable",cmd_connectable,"Toggle connectable state" },
--
1.7.9.5
--
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