src/interface_decl.py

   1 from params import *
   2
   3 # ========= Interface declarations ================ #
   4 mux_interface = '''
   5       method Action cell{0}_mux(Bit#(''' + str(N_MUX) + ''') in);'''
   6
   7 io_interface = '''
   8       (*always_ready*)   method   Bit#(1) io_outputval_{0};
   9       (*always_ready*)   method   Bit#(1) io_output_en_{0};
  10       (*always_ready*)   method   Bit#(1) io_input_en_{0};
  11       (*always_ready*)   method   Bit#(1) io_pullup_en_{0};
  12       (*always_ready*)   method   Bit#(1) io_pulldown_en_{0};
  13       (*always_ready*)   method   Bit#(1) io_drivestrength_{0};
  14       (*always_ready*)   method   Bit#(1) io_pushpull_en_{0};
  15       (*always_ready*)   method   Bit#(1) io_opendrain_en_{0};
  16       (*always_ready,always_enabled,result="io"*)
  17                  method   Action  io_inputval_{0}(Bit#(1) in);
  18 '''
  19 # == Peripheral Interface definitions == #
  20 # these are the interface of the peripherals to the pin mux
  21 # Outputs from the peripherals will be inputs to the pinmux
  22 # module. Hence the change in direction for most pins
  23
  24 uartinterface_decl = '''
  25       (*always_ready,always_enabled*) method Action tx_{0}(Bit#(1) in);
  26       (*always_ready,always_enabled*) method Bit#(1) rx_{0};
  27 '''
  28
  29 spiinterface_decl = '''
  30       (*always_ready,always_enabled*) method Action sclk_{0} (Bit#(1) in);
  31       (*always_ready,always_enabled*) method Action mosi_{0} (Bit#(1) in);
  32       (*always_ready,always_enabled*) method Action ss_{0}   (Bit#(1) in);
  33       (*always_ready,always_enabled*) method Bit#(1) miso_{0};
  34 '''
  35
  36 twiinterface_decl = '''
  37       (*always_ready,always_enabled*) method Action sda{0}_out (Bit#(1) in);
  38       (*always_ready,always_enabled*) method Action sda{0}_outen (Bit#(1) in);
  39       (*always_ready,always_enabled*) method Bit#(1) sda{0}_in;
  40       (*always_ready,always_enabled*) method Action scl{0}_out (Bit#(1) in);
  41       (*always_ready,always_enabled*) method Action scl{0}_outen (Bit#(1) in);
  42       (*always_ready,always_enabled*) method Bit#(1) scl{0}_in;
  43 '''
  44 # ======================================= #