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authorkurtis.heimerl <kurtis.heimerl@19bc5d8c-e614-43d4-8b26-e1612bc8e597>2011-11-26 03:18:57 +0000
committerkurtis.heimerl <kurtis.heimerl@19bc5d8c-e614-43d4-8b26-e1612bc8e597>2011-11-26 03:18:57 +0000
commitb7358ce43873b432c7b4672e1d48be2663d9b930 (patch)
treef79ed96e7f5594cfbdb1b6f462ff4ca20fac777c /Transceiver52M
parente380af3ecc94b64754de501deb211a31ba6573f9 (diff)
transceiver: reject usrp1 if detected using uhd
git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@2678 19bc5d8c-e614-43d4-8b26-e1612bc8e597
Diffstat (limited to 'Transceiver52M')
-rw-r--r--Transceiver52M/UHDDevice.cpp60
1 files changed, 40 insertions, 20 deletions
diff --git a/Transceiver52M/UHDDevice.cpp b/Transceiver52M/UHDDevice.cpp
index e72fcfe..b3d41d7 100644
--- a/Transceiver52M/UHDDevice.cpp
+++ b/Transceiver52M/UHDDevice.cpp
@@ -227,6 +227,7 @@ private:
void init_gains();
void set_ref_clk(bool ext_clk);
double set_rates(double rate);
+ bool parse_dev_type();
bool flush_recv(size_t num_pkts);
int check_rx_md_err(uhd::rx_metadata_t &md, ssize_t num_smpls);
@@ -374,11 +375,44 @@ double uhd_device::setRxGain(double db)
return rx_gain;
}
-bool uhd_device::open()
+/*
+ Parse the UHD device tree and mboard name to find out what device we're
+ dealing with. We need the bus type so that the transceiver knows how to
+ deal with the transport latency. Reject the USRP1 because UHD doesn't
+ support timestamped samples with it.
+ */
+bool uhd_device::parse_dev_type()
{
- std::string dev_str;
+ std::string mboard_str, dev_str;
uhd::property_tree::sptr prop_tree;
+ size_t usrp1_str, usrp2_str, b100_str1, b100_str2;
+
+ prop_tree = usrp_dev->get_device()->get_tree();
+ dev_str = prop_tree->access<std::string>("/name").get();
+ mboard_str = usrp_dev->get_mboard_name();
+
+ usrp1_str = dev_str.find("USRP1");
+ b100_str1 = dev_str.find("B-Series");
+ b100_str2 = mboard_str.find("B100");
+
+ if (usrp1_str != std::string::npos) {
+ LOG(ERROR) << "USRP1 is not supported using UHD driver";
+ return false;
+ }
+
+ if ((b100_str1 != std::string::npos) || (b100_str2 != std::string::npos)) {
+ bus = USB;
+ LOG(INFO) << "Using USB bus for " << dev_str;
+ } else {
+ bus = NET;
+ LOG(INFO) << "Using network bus for " << dev_str;
+ }
+
+ return true;
+}
+bool uhd_device::open()
+{
// Register msg handler
uhd::msg::register_handler(&uhd_msg_handler);
@@ -392,24 +426,6 @@ bool uhd_device::open()
return false;
}
- // Set the device name and bus type
- dev_str = usrp_dev->get_mboard_name();
- LOG(NOTICE) << "Found " << dev_str;
-
- prop_tree = usrp_dev->get_device()->get_tree();
- dev_str = prop_tree->access<std::string>("/name").get();
-
- size_t res1 = dev_str.find("B100");
- size_t res2 = dev_str.find("B-Series");
-
- if ((res1 != std::string::npos) || (res2 != std::string::npos)) {
- bus = USB;
- LOG(NOTICE) << "Using USB bus for " << dev_str;
- } else {
- bus = NET;
- LOG(NOTICE) << "Using network bus for " << dev_str;
- }
-
// Number of samples per over-the-wire packet
tx_spp = usrp_dev->get_device()->get_max_send_samps_per_packet();
rx_spp = usrp_dev->get_device()->get_max_recv_samps_per_packet();
@@ -435,6 +451,10 @@ bool uhd_device::open()
// Print configuration
LOG(INFO) << usrp_dev->get_pp_string();
+ // Check for a valid device type and set bus type
+ if (!parse_dev_type())
+ return false;
+
return true;
}