SU Servo Initialization

Kkvziegler · Aug 6, 2024

Hi,

I am trying to test the SU Servo with

artiq_sinara_tester

but the module fails to initialize. I do not receive any specific error. The tester just hangs and no output is given. Could someone point me in the right direction?

I have switched the 1 and 2 switches on the Urukul to ON.

Below is my device_db:

device_db = {
    "core": {
        "type": "local",
        "module": "artiq.coredevice.core",
        "class": "Core",
        "arguments": {
            "host": core_addr,
            "ref_period": 1e-09,
            "analyzer_proxy": "core_analyzer",
            "target": "cortexa9",
            "satellite_cpu_targets": {}
        },
    },
    "core_log": {
        "type": "controller",
        "host": "::1",
        "port": 1068,
        "command": "aqctl_corelog -p {port} --bind {bind} " + core_addr
    },
    "core_moninj": {
        "type": "controller",
        "host": "::1",
        "port_proxy": 1383,
        "port": 1384,
        "command": "aqctl_moninj_proxy --port-proxy {port_proxy} --port-control {port} --bind {bind} " + core_addr
    },
    "core_analyzer": {
        "type": "controller",
        "host": "::1",
        "port_proxy": 1385,
        "port": 1386,
        "command": "aqctl_coreanalyzer_proxy --port-proxy {port_proxy} --port-control {port} --bind {bind} " + core_addr
    },
    "core_cache": {
        "type": "local",
        "module": "artiq.coredevice.cache",
        "class": "CoreCache"
    },
    "core_dma": {
        "type": "local",
        "module": "artiq.coredevice.dma",
        "class": "CoreDMA"
    },

    "i2c_switch0": {
        "type": "local",
        "module": "artiq.coredevice.i2c",
        "class": "I2CSwitch",
        "arguments": {"address": 0xe0}
    },
    "i2c_switch1": {
        "type": "local",
        "module": "artiq.coredevice.i2c",
        "class": "I2CSwitch",
        "arguments": {"address": 0xe2}
    },
}

# standalone peripherals

device_db["spi_mirny0"]={
    "type": "local",
    "module": "artiq.coredevice.spi2",
    "class": "SPIMaster",
    "arguments": {"channel": 0x000000}
}

device_db["ttl_mirny0_sw0"] = {
    "type": "local",
    "module": "artiq.coredevice.ttl",
    "class": "TTLOut",
    "arguments": {"channel": 0x000001}
}

device_db["ttl_mirny0_sw1"] = {
    "type": "local",
    "module": "artiq.coredevice.ttl",
    "class": "TTLOut",
    "arguments": {"channel": 0x000002}
}

device_db["ttl_mirny0_sw2"] = {
    "type": "local",
    "module": "artiq.coredevice.ttl",
    "class": "TTLOut",
    "arguments": {"channel": 0x000003}
}

device_db["ttl_mirny0_sw3"] = {
    "type": "local",
    "module": "artiq.coredevice.ttl",
    "class": "TTLOut",
    "arguments": {"channel": 0x000004}
}

device_db["mirny0_ch0"] = {
    "type": "local",
    "module": "artiq.coredevice.adf5356",
    "class": "ADF5356",
    "arguments": {
        "channel": 0,
        "sw_device": "ttl_mirny0_sw0",
        "cpld_device": "mirny0_cpld",
    }
}

device_db["mirny0_almazny0"] = {
    "type": "local",
    "module": "artiq.coredevice.almazny",
    "class": "AlmaznyChannel",
    "arguments": {
        "host_mirny": "mirny0_cpld",
        "channel": 0,
    },
}

device_db["mirny0_ch1"] = {
    "type": "local",
    "module": "artiq.coredevice.adf5356",
    "class": "ADF5356",
    "arguments": {
        "channel": 1,
        "sw_device": "ttl_mirny0_sw1",
        "cpld_device": "mirny0_cpld",
    }
}

device_db["mirny0_almazny1"] = {
    "type": "local",
    "module": "artiq.coredevice.almazny",
    "class": "AlmaznyChannel",
    "arguments": {
        "host_mirny": "mirny0_cpld",
        "channel": 1,
    },
}

device_db["mirny0_ch2"] = {
    "type": "local",
    "module": "artiq.coredevice.adf5356",
    "class": "ADF5356",
    "arguments": {
        "channel": 2,
        "sw_device": "ttl_mirny0_sw2",
        "cpld_device": "mirny0_cpld",
    }
}

device_db["mirny0_almazny2"] = {
    "type": "local",
    "module": "artiq.coredevice.almazny",
    "class": "AlmaznyChannel",
    "arguments": {
        "host_mirny": "mirny0_cpld",
        "channel": 2,
    },
}

device_db["mirny0_ch3"] = {
    "type": "local",
    "module": "artiq.coredevice.adf5356",
    "class": "ADF5356",
    "arguments": {
        "channel": 3,
        "sw_device": "ttl_mirny0_sw3",
        "cpld_device": "mirny0_cpld",
    }
}

device_db["mirny0_almazny3"] = {
    "type": "local",
    "module": "artiq.coredevice.almazny",
    "class": "AlmaznyChannel",
    "arguments": {
        "host_mirny": "mirny0_cpld",
        "channel": 3,
    },
}

device_db["mirny0_cpld"] = {
    "type": "local",
    "module": "artiq.coredevice.mirny",
    "class": "Mirny",
    "arguments": {
        "spi_device": "spi_mirny0",
        "refclk": 100000000.0,
        "clk_sel": 0
    },
}

device_db["suservo0_ch0"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "Channel",
    "arguments": {"channel": 0x000005, "servo_device": "suservo0"}
}

device_db["suservo0_ch1"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "Channel",
    "arguments": {"channel": 0x000006, "servo_device": "suservo0"}
}

device_db["suservo0_ch2"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "Channel",
    "arguments": {"channel": 0x000007, "servo_device": "suservo0"}
}

device_db["suservo0_ch3"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "Channel",
    "arguments": {"channel": 0x000008, "servo_device": "suservo0"}
}

device_db["suservo0_ch4"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "Channel",
    "arguments": {"channel": 0x000009, "servo_device": "suservo0"}
}

device_db["suservo0_ch5"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "Channel",
    "arguments": {"channel": 0x00000a, "servo_device": "suservo0"}
}

device_db["suservo0_ch6"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "Channel",
    "arguments": {"channel": 0x00000b, "servo_device": "suservo0"}
}

device_db["suservo0_ch7"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "Channel",
    "arguments": {"channel": 0x00000c, "servo_device": "suservo0"}
}

device_db["suservo0"] = {
    "type": "local",
    "module": "artiq.coredevice.suservo",
    "class": "SUServo",
    "arguments": {
        "channel": 0x00000d,
        "pgia_device": "spi_sampler0_pgia",
        "cpld_devices": ['urukul0_cpld', 'urukul1_cpld'],
        "dds_devices": ['urukul0_dds', 'urukul1_dds'],
        "sampler_hw_rev": "v2.3"
    }
}

device_db["spi_sampler0_pgia"] = {
    "type": "local",
    "module": "artiq.coredevice.spi2",
    "class": "SPIMaster",
    "arguments": {"channel": 0x00000e}
}

device_db["spi_urukul0"] = {
    "type": "local",
    "module": "artiq.coredevice.spi2",
    "class": "SPIMaster",
    "arguments": {"channel": 0x00000f}
}
device_db["urukul0_cpld"] = {
    "type": "local",
    "module": "artiq.coredevice.urukul",
    "class": "CPLD",
    "arguments": {
        "spi_device": "spi_urukul0",
        "refclk": 125000000.0,
        "clk_sel": 2
    }
}
device_db["urukul0_dds"] = {
    "type": "local",
    "module": "artiq.coredevice.ad9910",
    "class": "AD9910",
    "arguments": {
        "pll_n": 32,
        "pll_en": 1,
        "chip_select": 3,
        "cpld_device": "urukul0_cpld"
    }
}

device_db["spi_urukul1"] = {
    "type": "local",
    "module": "artiq.coredevice.spi2",
    "class": "SPIMaster",
    "arguments": {"channel": 0x000010}
}
device_db["urukul1_cpld"] = {
    "type": "local",
    "module": "artiq.coredevice.urukul",
    "class": "CPLD",
    "arguments": {
        "spi_device": "spi_urukul1",
        "refclk": 125000000.0,
        "clk_sel": 2
    }
}
device_db["urukul1_dds"] = {
    "type": "local",
    "module": "artiq.coredevice.ad9910",
    "class": "AD9910",
    "arguments": {
        "pll_n": 32,
        "pll_en": 1,
        "chip_select": 3,
        "cpld_device": "urukul1_cpld"
    }
}

device_db["led0"] = {
    "type": "local",
    "module": "artiq.coredevice.ttl",
    "class": "TTLOut",
    "arguments": {"channel": 0x00000e}
}

device_db["led1"] = {
    "type": "local",
    "module": "artiq.coredevice.ttl",
    "class": "TTLOut",
    "arguments": {"channel": 0x00000f}
}

Thank you for your help.

Mmb842 · Aug 9, 2024

Firstly make sure that your DIP switches are correct. They have to be oriented a special way for SU-Servo to work.
Then try running artiq_sinara_tester -o suservos and check the DDS outputs

Kkvziegler · Aug 20, 2024

Hi, thank you for your help. How are the DIP switches supposed to be oriented? I have 1 & 2 switched ON as per the internal manual here, while 3 & 4 remain OFF. I have gone through other orientations (1&3, 1&4, 2&3, 2&4, 3&4) but see the same result where the artiq_sinara_tester -o suservos just hangs.

I am worried that my Urukul does not have the preconfigured software on it to enable SUServo. If this is the issue, is there a repository to find and flash this software? Thank you.