Exemple #1
0
 async def _get_serial(self):
     ports = []
     for devices in devinfo.DevInfo().resource_managers['I/O ports'].values():
         for dev in devices:
             if not dev.name.startswith('uart'):
                 continue
             ports.append({
                 'name': dev.name,
                 'description': dev.desc,
                 'drivername': dev.drivername,
                 'location': dev.location,
                 'start': hex(dev.start),
                 'size': dev.size
             })
     return ports
Exemple #2
0
def generate_device_hints(context, current, config):

    output = re.sub(r'.*uart.*flags="0x10"\n', '', current.strip('\n'))
    dinfo = devinfo.DevInfo()

    uart = None
    for name, ports in dinfo.resource_managers['I/O ports'].items():
        if not name.startswith('uart'):
            continue
        for port in ports:
            if config['serial_port'] == hex(port.start):
                uart = port
                break

    if uart is None:
        context.logger.warn('uart number not found for %s',
                            config['serial_port'])
        return current
    unit = re.sub(r'[a-z]', '', uart.name)

    irq = dinfo.resource_managers['Interrupt request lines'].get(uart.name)
    if irq is None:
        context.logger.warn('irq not found for %s', config['serial_port'])
        return current
    irq = irq[0].start

    output = re.sub(r'hint\.uart\.%s.*\n' % unit, '', output)

    output += '''
hint.uart.{0}.at="isa"
hint.uart.{0}.port="{1}"
hint.uart.{0}.flags="0x10"
hint.uart.{0}.irq="{2}"
hint.uart.{0}.baud="{3}"
'''.format(unit, config['serial_port'], irq, config['serial_speed'])

    return output