artiq/artiq/coredevice/ad9154_spi.py

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()