diff options
Diffstat (limited to 'mpm/python')
| -rwxr-xr-x | mpm/python/n3xx_bist | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/mpm/python/n3xx_bist b/mpm/python/n3xx_bist index 6d31dd695..d068c771b 100755 --- a/mpm/python/n3xx_bist +++ b/mpm/python/n3xx_bist @@ -376,9 +376,36 @@ class N310BIST(object): "mode": 3 } from usrp_mpm.periph_manager import n310 + # Turn on GPS, give some time to acclimatize gpio_tca6424 = n310.TCA6424() gpio_tca6424.set("PWREN-GPS") - time.sleep(60) # Wait for GPS chip to power on and lock to GPS + time.sleep(5) + # Wait for WARMUP to go low + sys.stderr.write("Waiting for WARMUP to go low...\n") + for _ in range(70): + # FIXME proper timeout + if not gpio_tca6424.get('GPS-WARMUP'): + break + time.sleep(1) + if gpio_tca6424.get('GPS-WARMUP'): + raise RuntimeError("GPS-WARMUP did not go low within one minute!") + sys.stderr.write("Chip is warmed up.\n") + # Wait for LOCKOK + sys.stderr.write("Waiting for LOCKOK to go high...\n") + for _ in range(60): + # FIXME proper timeout + if gpio_tca6424.get('GPS-LOCKOK'): + break + time.sleep(1) + if not gpio_tca6424.get('GPS-WARMUP'): + sys.stderr.write("No GPS-LOCKOK!\n") + sys.stderr.write("GPS-SURVEY status: {}\n".format( + gpio_tca6424.get('GPS-SURVEY') + )) + sys.stderr.write("GPS-PHASELOCK status: {}\n".format( + gpio_tca6424.get('GPS-PHASELOCK') + )) + # Now read back response from chip my_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) my_sock.connect(('localhost', 2947)) sys.stderr.write("Connected to GPSDO socket.\n") @@ -401,7 +428,8 @@ class N310BIST(object): result = json.loads(json_result.decode('ascii')) my_sock.sendall(b'?WATCH={"enable":false}') my_sock.close() - return True, result # TODO Come up with a better pass condition + # If we reach this line, we have a valid result and the chip responded. + return True, result def bist_tpm(self): """ |