src/spec/base.py

   1 from spec.interfaces import Pinouts
   2
   3 from spec.ifaceprint import display, display_fns, check_functions
   4 from spec.ifaceprint import display_fixed
   5
   6
   7 class PinSpec(Pinouts):
   8     def __init__(self, pinbanks, fixedpins, function_names, fast=None):
   9         self.fastbus = fast or []
  10         self.pinbanks = pinbanks
  11         self.fixedpins = fixedpins
  12         self.function_names = function_names
  13         bankspec = {}
  14         self.offs = 0
  15         pkeys = sorted(pinbanks.keys())
  16         for kn in pkeys:
  17             bankspec[kn] = self.offs
  18             self.offs += pinbanks[kn]
  19
  20         self.scenarios = []
  21
  22         Pinouts.__init__(self, bankspec)
  23
  24     def add_scenario(self, name, needed, eint, pwm, descriptions):
  25         # Scenarios below can be spec'd out as either "find first interface"
  26         # by name/number e.g. SPI0, or as "find in bank/mux" which must be
  27         # spec'd as "BM:Name" where B is bank (A-F), M is Mux (0-3)
  28         # EINT and PWM are grouped together, specially, but may still be spec'd
  29         # using "BM:Name".  Pins are removed in-order as listed from
  30         # lists (interfaces, EINTs, PWMs) from available pins.
  31
  32         self.scenarios.append((name, needed, eint, pwm, descriptions))
  33
  34     def write(self, of):
  35         of.write("""# Pinouts (PinMux)
  36 auto-generated by [[pinouts.py]]
  37
  38 [[!toc  ]]
  39
  40 """)
  41         bk = sorted(self.pinbanks.keys())
  42         for bank in bk:
  43             of.write(
  44                 "\n## Bank %s (%d pins)\n\n" %
  45                 (bank, self.pinbanks[bank]))
  46             display(of, self, bank)
  47
  48         of.write("\n# Pinouts (Fixed function)\n\n")
  49         fixedpins = display_fixed(of, self.fixedpins, len(self))
  50
  51         of.write("""# Functions (PinMux)
  52
  53 auto-generated by [[pinouts.py]]
  54
  55 """)
  56         fns = display_fns(of, self.bankspec, self, self.function_names)
  57         of.write('\n')
  58
  59         for scenario in self.scenarios:
  60             name, needed, eint, pwm, descriptions = scenario
  61             unused_pins = check_functions(of, name, self.bankspec, fns,
  62                                           self,
  63                                           needed, eint, pwm,
  64                                           descriptions)
  65
  66         of.write("""# Reference Datasheets
  67
  68 datasheets and pinout links
  69 * <http://datasheets.chipdb.org/AMD/8018x/80186/amd-80186.pdf>
  70 * <http://hands.com/~lkcl/eoma/shenzen/frida/FRD144A2701.pdf>
  71 * <http://pinouts.ru/Memory/sdcard_pinout.shtml>
  72 * p8 <http://www.onfi.org/~/media/onfi/specs/onfi_2_0_gold.pdf?la=en>
  73 * <https://www.heyrick.co.uk/blog/files/datasheets/dm9000aep.pdf>
  74 * <http://cache.freescale.com/files/microcontrollers/doc/app_note/AN4393.pdf>
  75 * <https://www.nxp.com/docs/en/data-sheet/MCF54418.pdf>
  76 * ULPI OTG PHY, ST <http://www.st.com/en/interfaces-and-transceivers/stulpi01a.html>
  77 * ULPI OTG PHY, TI TUSB1210 <http://ti.com/product/TUSB1210/>
  78
  79 """)
  80
  81         return self, self.bankspec, self.pinbanks, fixedpins