diff options
Diffstat (limited to 'mpm/python/usrp_mpm/dboard_manager/eiscat.py')
| -rw-r--r-- | mpm/python/usrp_mpm/dboard_manager/eiscat.py | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/mpm/python/usrp_mpm/dboard_manager/eiscat.py b/mpm/python/usrp_mpm/dboard_manager/eiscat.py index 55caa79f9..8db939747 100644 --- a/mpm/python/usrp_mpm/dboard_manager/eiscat.py +++ b/mpm/python/usrp_mpm/dboard_manager/eiscat.py @@ -40,6 +40,24 @@ PWR2_5V_ADC1_SPI_EN = 1<<13 ADC_RESET = 0x2008 +def create_spidev_iface(dev_node): + """ + Create a regs iface from a spidev node + """ + SPI_SPEED_HZ = 1000000 + SPI_ADDR_SHIFT = 8 + SPI_DATA_SHIFT = 0 + SPI_READ_FLAG = 1<<23 + SPI_WRIT_FLAG = 0 + return lib.spi.make_spidev_regs_iface( + dev_node, + SPI_SPEED_HZ, + SPI_ADDR_SHIFT, + SPI_DATA_SHIFT, + SPI_READ_FLAG, + SPI_WRIT_FLAG + ) + class ADS54J56(object): """ Controls for ADS54J56 ADC @@ -323,36 +341,41 @@ class EISCAT(DboardManagerBase): )) raise RuntimeError("Not enough SPI devices found.") self._spi_nodes = {} + self._spi_ifaces = {} + self.log.trace("Loading SPI interfaces...") for k, v in iteritems(self.spi_chipselect): self._spi_nodes[k] = spi_devices[v] + self._spi_ifaces[k] = create_spidev_iface(self._spi_nodes[k]) + self.log.info("Loaded SPI interfaces!") self.log.debug("spidev device node map: {}".format(self._spi_nodes)) + # Define some attributes so that PyLint stays quiet: + self.radio_regs = None + self.jesd_cores = None + self.lmk = None + self.adc0 = None + self.adc1 = None def init_device(self): """ Execute necessary actions to bring up the daughterboard + + This assumes that an appropriate overlay was loaded. """ - self.log.debug("Loading C++ drivers...") - self._device = lib.eiscat.eiscat_manager( - self._spi_nodes['lmk'], - self._spi_nodes['adc0'], - self._spi_nodes['adc1'], - # self._spi_nodes['phasedac'], - ) - self.lmk_regs = self._device.get_clock_ctrl() - self.adc0_regs = self._device.get_adc0_ctrl() - self.adc1_regs = self._device.get_adc1_ctrl() - self.spi_lock = self._device.get_spi_lock() - self.log.debug("Loaded C++ drivers.") - self.log.debug("Getting uio...") + self.log.trace("Loading SPI interfaces...") + for chip, spi_dev_node in iteritems(self._spi_nodes): + self._spi_ifaces[chip] = create_spidev_iface(spi_dev_node) + self.log.info("Loaded SPI interfaces!") + self.log.debug("spidev device node map: {}".format(self._spi_nodes)) + self.log.trace("Getting uio...") self.radio_regs = UIO(label="jesd204b-regs", read_only=False) # Create JESD cores. They will also test the UIO regs on initialization. self.jesd_cores = [ JesdCoreEiscat( self.radio_regs, "A", # TODO fix hard-coded slot number - x, + core_idx, self.log - ) for x in xrange(2) + ) for core_idx in xrange(2) ] self.log.info("Radio-register UIO object successfully generated!") @@ -362,7 +385,7 @@ class EISCAT(DboardManagerBase): self.mmcm = MMCM(self.radio_regs, self.log) self._init_power(self.radio_regs) self.mmcm.reset() - self.lmk = LMK04828EISCAT(self.lmk_regs, self.spi_lock, "A") # Initializes LMK + self.lmk = LMK04828EISCAT(self._spi_ifaces['lmk'], "A") # Initializes LMK if not self.mmcm.enable(): self.log.error("Could not re-enable MMCM!") raise RuntimeError("Could not re-enable MMCM!") @@ -370,8 +393,8 @@ class EISCAT(DboardManagerBase): # Initialize ADCs and JESD cores for i in xrange(2): self.jesd_cores[i].init() - self.adc0 = ADS54J56(self.adc0_regs, self.log) - self.adc1 = ADS54J56(self.adc1_regs, self.log) + self.adc0 = ADS54J56(self._spi_ifaces['adc0'], self.log) + self.adc1 = ADS54J56(self._spi_ifaces['adc1'], self.log) self.adc0.reset() self.adc1.reset() self.log.info("ADCs resetted!") |