Support reading of complex varid values

1 files changed, 41 insertions, 0 deletions

diff --git a/tools/csr.c b/tools/csr.c
index b5691afa..6ed0a08f 100644
--- a/tools/csr.c
+++ b/tools/csr.c
@@ -399,6 +399,47 @@ char *csr_pskeytostr(uint16_t pskey)
 	}
 }
 
+int csr_read_varid_complex(int dd, uint16_t seqnum, uint16_t varid, uint8_t *value, uint16_t length)
+{
+	unsigned char cmd[] = { 0x00, 0x00, (length + 5) & 0xff, (length + 5) >> 8,
+				seqnum & 0xff, seqnum >> 8, varid & 0xff, varid >> 8, 0x00, 0x00,
+				0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+	unsigned char cp[254], rp[254];
+	struct hci_request rq;
+
+	memset(&cp, 0, sizeof(cp));
+	cp[0] = 0xc2;
+	memcpy(cp + 1, cmd, sizeof(cmd));
+	memcpy(cp + 11, value, length);
+
+	memset(&rq, 0, sizeof(rq));
+	rq.ogf    = OGF_VENDOR_CMD;
+	rq.ocf    = 0x00;
+	rq.event  = EVT_VENDOR;
+	rq.cparam = cp;
+	rq.clen   = sizeof(cmd) + 1;
+	rq.rparam = rp;
+	rq.rlen   = sizeof(rp);
+
+	if (hci_send_req(dd, &rq, 2000) < 0)
+		return -1;
+
+	if (rp[0] != 0xc2) {
+		errno = EIO;
+		return -1;
+	}
+
+	if ((rp[9] + (rp[10] << 8)) != 0) {
+		errno = ENXIO;
+		return -1;
+	}
+
+	memcpy(value, rp + 11, length);
+
+	return 0;
+}
+
 int csr_read_varid_uint16(int dd, uint16_t seqnum, uint16_t varid, uint16_t *value)
 {
 	unsigned char cmd[] = { 0x00, 0x00, 0x09, 0x00,