From 2dd0e662aaec1ec73b7783a625c1645020dc29d7 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Sun, 3 Jul 2005 10:09:51 +0000
Subject: Add support for reading uint32 values

---
 tools/csr.c | 40 ++++++++++++++++++++++++++++++++++++++++
 tools/csr.h |  1 +
 2 files changed, 41 insertions(+)

diff --git a/tools/csr.c b/tools/csr.c
index fd547ad3..4648d9fa 100644
--- a/tools/csr.c
+++ b/tools/csr.c
@@ -504,6 +504,46 @@ int csr_read_varid_uint16(int dd, uint16_t seqnum, uint16_t varid, uint16_t *val
 	return 0;
 }
 
+int csr_read_varid_uint32(int dd, uint16_t seqnum, uint16_t varid, uint32_t *value)
+{
+	unsigned char cmd[] = { 0x00, 0x00, 0x09, 0x00,
+				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));
+
+	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;
+	}
+
+	*value = ((rp[11] + (rp[12] << 8)) << 16) + (rp[13] + (rp[14] << 8));
+
+	return 0;
+}
+
 int csr_read_pskey_complex(int dd, uint16_t seqnum, uint16_t pskey, uint8_t *value, uint16_t length)
 {
 	unsigned char cmd[] = { 0x00, 0x00, ((length / 2) + 8) & 0xff, ((length / 2) + 8) >> 8,
diff --git a/tools/csr.h b/tools/csr.h
index 61df145e..5098a69d 100644
--- a/tools/csr.h
+++ b/tools/csr.h
@@ -77,6 +77,7 @@ 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);
 int csr_read_varid_uint16(int dd, uint16_t seqnum, uint16_t varid, uint16_t *value);
+int csr_read_varid_uint32(int dd, uint16_t seqnum, uint16_t varid, uint32_t *value);
 int csr_read_pskey_complex(int dd, uint16_t seqnum, uint16_t pskey, uint8_t *value, uint16_t length);
 int csr_read_pskey_uint16(int dd, uint16_t seqnum, uint16_t pskey, uint16_t *value);
 int csr_write_pskey_uint16(int dd, uint16_t seqnum, uint16_t pskey, uint16_t value);
-- 
cgit