Commit 22c3a8b8 authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
Browse files

case: SSD is not connected

parent 503100cc

py393sata/x393sata_eyesis4pi_control.py

+22 −6
Original line number Diff line number Diff line
@@ -22,6 +22,9 @@ DRIVER_RELOAD_LIMIT = 5 
DRIVER_WAIT_TIME = 10

DRIVER_UNLOAD_TRIES = 30



#global

DEVICE_NOT_CONNECTED = True



def colorize(string, color, bold):

    color=color.upper()

    attr = []
@@ -74,6 +77,9 @@ def shout(cmd): 




def connection_errors():

  

  global DEVICE_NOT_CONNECTED

  

  result = True

  skip0 = True

  MAXI1_ADDR = 0x80000000
@@ -93,6 +99,8 @@ def connection_errors(): 
    fld_value = (data >> fld['start_bit']) & ((1 << fld['num_bits']) - 1)

    if first_line:

        log_msg("%s: 0x%08x [%08x]"%(group_range, data, byte_addr))

        if data!=0:

          DEVICE_NOT_CONNECTED = False

        first_line = False

    if fld_value or not skip0:

        log_msg("%8x : %s (%s)"%(fld_value, fld['name'], fld['description'] ))
@@ -106,6 +114,8 @@ def connection_errors(): 
def reset_device():

  result = False

  

  sleep(0.5)

  

  for i in range(RESET_LIMIT):

    if not connection_errors():

      log_msg("connection error ("+str(i)+"), resetting device",4)
@@ -143,7 +153,7 @@ def unload_ahci_elphel_driver(): 
          log_msg("AHCI driver unloading timeout")

        sleep(2)

      else:

        log_msg("AHCI driver unloaded")

        log_msg("AHCI driver is not loaded")

        break

    else:

      log_msg("AHCI driver unloaded")
@@ -167,13 +177,16 @@ def load_driver(): 


  for i in range(DRIVER_RELOAD_LIMIT):

    log_msg("Loading SATA driver ("+str(i)+")")

    result = reload_driver(i)

    result = reload_driver()

    if result:

      break

    

  if not result:

    log_msg("SATA failed, SSD was not mounted: reconnect SSD",2)

    log_msg("SATA failed, SSD was not detected: reconnect SSD",2)

    shout("echo 0 > "+STATEFILE)

  else:

    if DEVICE_NOT_CONNECTED:

      log_msg("SSD was not detected, ahci_elphel driver is loaded",4)

    else:

      log_msg("SATA ok, SSD detected after "+str(i)+" tries")

    shout("echo 1 > "+STATEFILE)
@@ -196,7 +209,7 @@ def check_device(): 
  

  return result



def reload_driver(i):

def reload_driver():



  unload_ahci_elphel_driver()

  # check once
@@ -209,6 +222,9 @@ def reload_driver(i): 
  sleep(DRIVER_WAIT_TIME)

  result = check_device()

  

  if DEVICE_NOT_CONNECTED:

    result = True

  

  return result

  

mem = x393_mem.X393Mem(0,0,1)