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Transceiver52M: Add USRP X300/X310 support

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X300/X310 support was missing due to the very high bandwidth X-series
being somewhat of an excessive solution for relatively narrowband GSM.
Nevertheless, the X300/X310 is a useful and capable device for OpenBTS
use.

Signed-off-by: Tom Tsou <tom@tsou.cc>
This commit is contained in:
Tom Tsou
2014-12-03 11:25:53 -08:00
committed by Michael Iedema
parent 6af4f09662
commit 6e69277e27
1 changed files with 14 additions and 2 deletions
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16
Transceiver52M/UHDDevice.cpp
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@@ -33,7 +33,7 @@
#endif
#define B2XX_CLK_RT 26e6
#define B2XX_BASE_RT GSMRATE
#define X3XX_CLK_RT 104e6
#define B100_BASE_RT 400000
#define USRP2_BASE_RT 390625
#define TX_AMPL 0.3
@@ -44,6 +44,7 @@ enum uhd_dev_type {
USRP2,
B100,
B2XX,
X3XX,
UMTRX,
NUM_USRP_TYPES,
};
@@ -73,6 +74,8 @@ static struct uhd_dev_offset uhd_offsets[NUM_USRP_TYPES * 2] = {
{ B100, 4, 7.9307e-5 },
{ B2XX, 1, 9.9692e-5 },
{ B2XX, 4, 6.9248e-5 },
{ X3XX, 1, 1.5360e-4 },
{ X3XX, 4, 1.1264e-4 },
{ UMTRX, 1, 9.9692e-5 },
{ UMTRX, 4, 7.3846e-5 },
};
@@ -107,6 +110,7 @@ static double select_rate(uhd_dev_type type, int sps)
switch (type) {
case USRP2:
case X3XX:
return USRP2_BASE_RT * sps;
case B100:
return B100_BASE_RT * sps;
@@ -474,7 +478,8 @@ bool uhd_device::parse_dev_type()
{
std::string mboard_str, dev_str;
uhd::property_tree::sptr prop_tree;
size_t usrp1_str, usrp2_str, b100_str, b200_str, b210_str, umtrx_str;
size_t usrp1_str, usrp2_str, b100_str, b200_str,
b210_str, x300_str, x310_str, umtrx_str;
prop_tree = usrp_dev->get_device()->get_tree();
dev_str = prop_tree->access<std::string>("/name").get();
@@ -485,6 +490,8 @@ bool uhd_device::parse_dev_type()
b100_str = mboard_str.find("B100");
b200_str = mboard_str.find("B200");
b210_str = mboard_str.find("B210");
x300_str = mboard_str.find("X300");
x310_str = mboard_str.find("X310");
umtrx_str = dev_str.find("UmTRX");
if (usrp1_str != std::string::npos) {
@@ -504,6 +511,10 @@ bool uhd_device::parse_dev_type()
dev_type = B2XX;
} else if (b210_str != std::string::npos) {
dev_type = B2XX;
} else if (x300_str != std::string::npos) {
dev_type = X3XX;
} else if (x310_str != std::string::npos) {
dev_type = X3XX;
} else if (usrp2_str != std::string::npos) {
dev_type = USRP2;
} else if (umtrx_str != std::string::npos) {
@@ -583,6 +594,7 @@ int uhd_device::open(const std::string &args, bool extref)
case B100:
return RESAMP_64M;
case USRP2:
case X3XX:
return RESAMP_100M;
}