jb302@34: #!/usr/bin/env python
jb302@34: # dbg.py - debug client
jb302@34: import struct
jb302@34: import os, sys
jb302@34: from time import sleep
jb302@34: 
jb302@34: # talks to the emulator
jb302@34: # see controller() in emu/main.c for the inverse
jb302@34: class controller:
jb302@34:     
jb302@34:     def __init__(self):
jb302@34:         self.Emu = None
jb302@34:         open('out', 'w').close()
jb302@34:     
jb302@34:     # Alternetive snd and rcv functions need to be
jb302@34:     # written read/write using serial buffer to make
jb302@34:     # this class talk to an emulator running on
jb302@34:     # an MCU
jb302@34:     def snd(self, m):
jb302@34:         self.Emu.stdin.write(struct.pack('>B', m))
jb302@34: 
jb302@34:     def rcv(self, l):
jb302@34:         lc = 0
jb302@34:         while lc != l:
jb302@34:             lc = os.path.getsize('out')
jb302@34:         #sleep(0.5)
jb302@34:         with open('out', 'r') as f:
jb302@34:             c = f.read()
jb302@34:         open('out', 'w').close()
jb302@34:         return c
jb302@34: 
jb302@34:     def step(self):
jb302@34:         self.snd(0x00)
jb302@34: 
jb302@34:     def run(self):
jb302@34:         self.snd(0x01)
jb302@34: 
jb302@34:     def set_reg(self, reg, data):
jb302@34:         self.snd(0x02)
jb302@34:         self.snd(reg)  # reg
jb302@34:         self.snd(data) # data
jb302@34: 
jb302@34:     def get_reg(self, reg):
jb302@34:         self.snd(0x03)
jb302@34:         self.snd(reg)  # reg
jb302@34:         return self.rcv(1)
jb302@34: 
jb302@34:     def set_flag(self, flag, on):
jb302@34:         self.snd(0x04)
jb302@34:         if on == 0:
jb302@34:             self.snd(flag)
jb302@34:             self.snd(0)
jb302@34:         else:
jb302@34:             self.snd(flag)
jb302@34:             self.snd(1)
jb302@34: 
jb302@34:     def get_flag(self, flag):
jb302@34:         self.snd(0x05)
jb302@34:         self.snd(flag)
jb302@34:         return self.rcv(1)
jb302@34: 
jb302@34:     def set_block(self, addrh, addrl, data):
jb302@34:         self.snd(0x06)
jb302@34:         self.snd(addrh) # address high byte
jb302@34:         self.snd(addrl) # address low byte
jb302@34:         self.snd((len(data) >> 8) & 0xFF)
jb302@34:         self.snd(len(data) & 0xFF)
jb302@34:         for b in data:
jb302@34:             self.snd(b) # data
jb302@34: 
jb302@34:     def get_block(self, addrh, addrl, lenh, lenl):
jb302@34:         block = []
jb302@34:         self.snd(0x07)
jb302@34:         self.snd(addrh) # address high byte
jb302@34:         self.snd(addrl) # address low byte
jb302@34:         self.snd(lenh)  
jb302@34:         self.snd(lenl) 
jb302@34:         return self.rcv(lenl | (lenh << 8))
jb302@34: 
jb302@34:     def get_a(self):
jb302@34:         self.snd(0x09)
jb302@34:         return self.rcv(1)
jb302@34: 
jb302@34:     def get_flags(self):
jb302@34:         self.snd(0x0A)
jb302@34:         return self.rcv(1)
jb302@34: 
jb302@34:     def get_ir(self):
jb302@34:         self.snd(0x0B)
jb302@34:         return self.rcv(1)
jb302@34: 
jb302@34:     def run_len(self, lenh, lenl):
jb302@34:         self.snd(0x0C)
jb302@34:         self.snd(lenh)
jb302@34:         self.snd(lenl)
jb302@34: 
jb302@34:     def free_run(self):
jb302@34:         self.snd(0x0D)
jb302@34: 
jb302@34:     def set_bp(self, i, addrh, addrl):
jb302@34:         self.snd(0x0E)
jb302@34:         self.snd(i)
jb302@34:         self.snd(addrh)
jb302@34:         self.snd(addrl)
jb302@34: 
jb302@34: 
jb302@34: 
jb302@34: 
jb302@34: