import math
+import os.path
def missing_numbers(num_list):
N_IO = 0
N_MUX_IO = 0
Addressing = 'WORD'
- ADDR_WIDTH = 32
- DATA_WIDTH = 32
+ ADDR_WIDTH = 64 # TODO parameterise
+ PADDR_WIDTH = 32 # TODO parameterise
+ DATA_WIDTH = 64 # TODO parameterise
# ================ #
# Generating the number of bits for memory map #
print('ERROR: Addressing should be one of: BYTE, HWORD, WORD, DWORD')
exit(1)
- def __init__(self, verify=True):
+ def __init__(self, pth=None, verify=True):
- # == capture the number of IO cells required == #
- pinmapfile = open('pinmap.txt', 'r')
max_io = 0
self.muxed_cells = []
self.dedicated_cells = []
self.pinnumbers = []
- for lineno, line in enumerate(pinmapfile):
- line1 = line.split()
- if len(line1) <= 1:
- continue
- self.pinnumbers.append(int(line1[0]))
- if len(line1) == 2: # dedicated
- self.dedicated_cells.append(line1)
- else:
+ # == capture the number of IO cells required == #
+ fname = 'pinmap.txt'
+ if pth:
+ fname = os.path.join(pth, fname)
+ with open(fname) as pinmapfile:
+ for lineno, line in enumerate(pinmapfile):
+ line1 = line[:-1].split('\t')
+ if len(line1) <= 1:
+ continue
+ self.pinnumbers.append(int(line1[0]))
+ # XXX TODO: dedicated pins in separate file
+ #if len(line1) == 2: # dedicated
+ # self.dedicated_cells.append(line1)
+ #else:
+ for i in range(1, len(line1)):
+ # XXX HORRIBLE HACK!!
+ if line1[i].startswith('pwm'):
+ line1[i] = 'pwm%s_out' % line1[i][4:]
self.muxed_cells.append(line1)
self.pinnumbers = sorted(self.pinnumbers)
self.upper_offset = self.lower_offset + \
- int(math.log(len(self.muxed_cells), 2))
+ int(math.log(len(self.muxed_cells), 2))
if verify:
self.do_checks()
+ self.cell_bitwidth = self.get_cell_bit_width()
+
# == user info after parsing ================= #
self.N_IO = len(self.dedicated_cells) + len(self.muxed_cells)
print("Max number of IO: " + str(self.N_IO))
+ print("Muxer bit width: " + str(self.cell_bitwidth))
print("Muxed IOs: " + str(len(self.muxed_cells)))
print("Dedicated IOs: " + str(len(self.dedicated_cells)))
# TODO
+ def get_cell_bit_width(self):
+ max_num_cells = 0
+ for cell in self.muxed_cells:
+ max_num_cells = max(len(cell) - 1, max_num_cells)
+ return int(math.log(max_num_cells + 1, 2))
+
+
if __name__ == '__main__':
p = Parse()
- print p.N_IO
+ print (p.N_IO)