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-rw-r--r--tools/csr.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/csr.c b/tools/csr.c
index 6832ec6d..1f1ab229 100644
--- a/tools/csr.c
+++ b/tools/csr.c
@@ -427,6 +427,52 @@ char *csr_pskeytostr(uint16_t pskey)
}
}
+int csr_write_varid_valueless(int dd, uint16_t seqnum, uint16_t varid)
+{
+ unsigned char cmd[] = { 0x02, 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));
+
+ switch (varid) {
+ case CSR_VARID_COLD_RESET:
+ case CSR_VARID_WARM_RESET:
+ case CSR_VARID_COLD_HALT:
+ case CSR_VARID_WARM_HALT:
+ return hci_send_cmd(dd, OGF_VENDOR_CMD, 0x00, sizeof(cmd) + 1, cp);
+ }
+
+ 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;
+ }
+
+ return 0;
+}
+
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 / 2) + 5) & 0xff, ((length / 2) + 5) >> 8,