Пример #1
0
def run_test(args):
    uuts = [acq400_hapi.RAD3DDS(u) for u in args.uuts]

    for test in range(0, args.test):

        for uut in uuts:
            uut.s0.CONTINUOUS = '0'
            init_trigger(uut, dx=args.trigger_adc_dx)
            chirp_off(uut)

        if args.stop or args.chirps_per_sec == 0:
            break

        for uut in uuts:
            arm_uut(uut)

        for uut in uuts:
            init_dual_chirp(args, uut)

        if args.gps_sync > 1:
            ttime = time.time() + args.gps_sync
            for uut in uuts:
                # d5: PPS trigger is free running, select at on_trigger (aka during the second before
                uut.s2.trigger_at = "{} {}".format(
                    '--trg=1,d5,rising' if args.trigger_adc_dx == 'd5' else '',
                    ttime)
            time.sleep(args.gps_sync + 1)

        if not args.noverify:
            for uut in uuts:
                verify_chirp(uut, test)
Пример #2
0
def run_test(args):
    global FREQS_MHz
    global DBG
    DBG = args.debug
    uut = acq400_hapi.RAD3DDS(args.uut[0])
    
    uut.s2.RADCELF_init = 1
    init_clk(uut)
    set_upd_clk_fpga(uut, 0, '1')
    set_upd_clk_fpga(uut, 1, '1')
    
    for test in range(0, args.test):        
        for f in FREQS_MHz:
            fA = f*1000000
            fB = next_freq(f)*1000000
            write_retry = 0
            pass = False
            
            while not pass:
                if write_retry > 3:
                    print("FAIL FAIL FAIL on write retry")
                    break

                set_freq(uut, uut.ddsA, fA)
                set_freq(uut, uut.ddsB, fB)
            
                pass = verify_freq(uut, test, fA, fB)
                write_retry += 1
Пример #3
0
def run_main():
    global KP
    parser = argparse.ArgumentParser("radcelf-tune-pps [fclk]")
    parser.add_argument('--best', default=True, help="select BEST clock for PPS sync")
    parser.add_argument('--fine', default=False, help="fine tune, runs forever")
    parser.add_argument('--Kp', default=0.05, type=float, help="Kp, proportional control constant" )
    parser.add_argument('fclk', nargs='*', default=[25000000], type=int, help="required clock frequency")
    args = parser.parse_args()
    fclk = args.fclk[0]
    KP = args.Kp
    message = "radcelf-tune-pps"
    if args.best:
        fbest =acq400_hapi.RAD3DDS.best_clock_pps_sync(fclk)
        if fbest != args.fclk:
            m2 = "Selected BEST clock {} => {}".format(fclk, fbest)
            print(m2)
            message = "{}\n{}".format(message, m2)
        fclk = fbest
    else:
        fclk = fclk
    args.fclk = fclk
    args.uut = acq400_hapi.RAD3DDS("localhost")
    
    web_message(message)
    
    if not args.fine:
        init(args)
        print("Starting Tuning")
        
    radcelf_tune(args)
Пример #4
0
def run_test(args):
    uut = acq400_hapi.RAD3DDS(args.uut[0])

    for test in range(0, args.test):
        uut.s2.RADCELF_init = 1
        init_chirp(uut, 0)
        init_chirp(uut, 1)
        verify_chirp(uut, test)
Пример #5
0
def run_test(args):
    global FREQS_MHz
    global DBG
    DBG = args.debug
    uut = acq400_hapi.RAD3DDS(args.uut[0])

    uut.s2.RADCELF_init = 1
    init_clk(uut)
    set_upd_clk_fpga(uut, 0, '1')
    set_upd_clk_fpga(uut, 1, '1')

    for test in range(0, args.test):
        for f in FREQS_MHz:
            fA = f * 1000000
            fB = next_freq(f) * 1000000

            set_freq(uut, uut.ddsA, fA)
            set_freq(uut, uut.ddsB, fB)

            verify_freq(uut, test, fA, fB)
Пример #6
0
def run_test(args):
    uuts = [acq400_hapi.RAD3DDS(u) for u in args.uuts]

    for test in range(0, args.test):
        for uut in uuts:
            chirp_off(uut)

        if args.chirps_per_sec == 0:
            break

        for uut in uuts:
            init_dual_chirp(args, uut)

        if args.gps_sync > 1:
            ttime = time.time() + args.gps_sync
            for uut in uuts:
                uut.s2.trigger_at = ttime
            time.sleep(args.gps_sync + 1)

        if not args.noverify:
            for uut in uuts:
                verify_chirp(uut, test)
Пример #7
0
uses error from m1, m10, m100 for proportional control

KPROP=0.05  : 0.5 was unstable. Must be some error in my calcs, but this does converge well
'''

import sys
import acq400_hapi
from acq400_hapi import AD9854
import argparse
import time
from builtins import int

TARGET = 25000000.00
KP = 0.05

uut = acq400_hapi.RAD3DDS("localhost")
time.sleep(50)


def control(prop_err, KPL):
    ftw1 = uut.ddsC.FTW1
    xx = AD9854.ftw2ratio(ftw1)
    yy = xx - prop_err * KPL
    ftw1_yy = AD9854.ratio2ftw(yy)

    print("XX:{} ratio:{} - err:{} * KP:{} => yy:{} YY:{}".format(
        ftw1, xx, prop_err, KPL, yy, ftw1_yy))

    uut.s2.ddsC_upd_clk_fpga = '1'
    uut.ddsC.FTW1 = ftw1_yy
    uut.s2.ddsC_upd_clk_fpga = '0'