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artiq/artiq/coredevice/ad9154_spi.py
Robert Jordens a7720d05cd firmware, sayma: port converter_spi to spi2
* ksupport/nrt_bus
* port ad9154, hmc830, hmc7043
* port local_spi and drtio_spi
* port kernel_proto libdrtioaux, satman
* change sayma_rtm gateware over
* add spi2 NRTSPIMaster
* remove spi NRTSPIMaster
* change sayma device_db
* change HMC830 to open mode and explicitly sequence open mode
2018-03-01 11:19:18 +01:00

24 lines
612 B
Python

from artiq.language.core import kernel
class AD9154:
"""Kernel interface to AD9154 registers, using non-realtime SPI."""
def __init__(self, dmgr, spi_device, chip_select):
self.core = dmgr.get("core")
self.bus = dmgr.get(spi_device)
self.chip_select = chip_select
@kernel
def setup_bus(self, div=16):
self.bus.set_config_mu(0, 24, div, self.chip_select)
@kernel
def write(self, addr, data):
self.bus.write((addr << 16) | (data<< 8))
@kernel
def read(self, addr):
self.write((1 << 15) | addr, 0)
return self.bus.read()