| Commit message (Collapse) | Author | Age | Files | Lines |
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usrp_init_eeprom.cpp. Hacked up the firmware makefile to behave and to generate .bin EEPROM images instead of IHX.
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Waiting for FX2 renumeration is only needed after a firmware
load so move it out of the main device discovery loop and
into the firmware load itself.
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Handle degenerate usage of send buffer commits. If the buffer
is destroyed without ever being submitted, submit a zero byte
transfer to return control to the underlying structure. If a
committed buffer is re-committed, then report an error message
and return 0 bytes back.
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This patch limits all libusb device enumeration operations to FSF
(Vendor ID = 0xfffe) devices, which removes a lot of unncessary
libusb output when debug mode is enabled. The reference counts
held by the libusb device list are also reduced, which prevents
holding references to unused devices.
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Failed i2c operations can be normal under certain situations.
Notably, write failures are used to detect unpopulated
daughterboard slots.
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500ms is not enough. 1-2 seconds is suitable.
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Common libusb1 code is consolidated in the libusb base file.
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The interface previously defined a descriptor type, which is now
replaced with a generalized handle. This change provides more
flexibility in implementations that may pass internal
representations of device handles or identifier objects.
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The polling inverval for overrun and underrun checking is
rate dependent and calculated in the dsp code whenever
the interpolation or decimation is changed.
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Use transmit instead of receive properties.
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The AD9862 datasheet states that maximum gain is achieved with
a value of 111111 (0x3f), however, empirical testing reveals that
the gain scaling value spans the full register width of 8-bits.
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Calculate a polling interval based on the sample rate and size.
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