src/bsv/peripheral_gen/rgbttl.py

   1 from bsv.peripheral_gen.base import PBase
   2
   3
   4 class rgbttl(PBase):
   5
   6     def slowimport(self):
   7         return "import rgbttl_dummy              :: *;"
   8
   9     def has_axi_master(self):
  10         return True
  11
  12     def num_axi_regs32(self):
  13         return 10
  14
  15     def mkfast_peripheral(self):
  16         sz = len(self.peripheral.pinspecs) - 4  # subtract CK, DE, HS, VS
  17         return "Ifc_rgbttl_dummy lcd{0} <-  mkrgbttl_dummy();"
  18
  19     def _mk_connection(self, name=None, count=0):
  20         return "lcd{0}.slave"
  21
  22     def pinname_out(self, pname):
  23         if not pname.startswith('out'):
  24             return pname
  25         return ''
  26
  27     def get_clock_reset(self, name, count):
  28         return "slow_clock, slow_reset"
  29
  30     def _mk_pincon(self, name, count, ptyp):
  31         ret = [PBase._mk_pincon(self, name, count, ptyp)]
  32         if ptyp == 'fast':
  33             sname = self.get_iname(count)
  34             ps = "slow_peripherals.%s" % sname
  35         else:
  36             sname = self.peripheral.iname().format(count)
  37             ps = "pinmux.peripheral_side.%s" % sname
  38         name = self.get_iname(count)
  39         n = "{0}".format(name)
  40         for ptype in ['data_out']:
  41             ps_ = "{0}.{1}".format(ps, ptype)
  42             ret += self._mk_actual_connection('out', name, count, 'out',
  43                                               ptype, ps_, n, ptype)
  44         return '\n'.join(ret)
  45
  46     def _mk_clk_con(self, name, count, ctype):
  47         ret = [PBase._mk_clk_con(self, name, count, ctype)]
  48         ck = self.get_clock_reset(name, count)
  49         if ck == PBase.get_clock_reset(self, name, count):
  50             return ret
  51         if ctype == 'slow':
  52             spc = "sp_clock, sp_reset"
  53         else:
  54             spc = "fast_clock, fast_reset"
  55         template = """\
  56 Ifc_sync#({0}) {1}_sync <-mksyncconnection(
  57             {2}, {3});"""
  58
  59         # one pin, data_out, might as well hard-code it
  60         typ = 'out'
  61         pname = 'data_out'
  62         n = name
  63         n_ = "{0}{1}".format(n, count)
  64         n_ = '{0}_{1}'.format(n_, pname)
  65         sz = len(self.peripheral.pinspecs) - 4  # subtract CK, DE, HS, VS
  66         ret.append(template.format("Bit#(%d)" % sz, n_, ck, spc))
  67         return '\n'.join(ret)