avr_jtag: py_avrjtag/jtagdev.py annotate

annotate py_avrjtag/jtagdev.py @ 11:520f45b72ba7

Add debug_frame flag to enable print-out frame when received

author	Thinker K.F. Li <thinker@branda.to>
date	Tue, 24 Feb 2009 14:33:23 +0800
parents	cc106f278d7d
children	68ecd42850d3

rev	line source
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1 import tms_ptns
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	2 import cmd_proto
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3
11 520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	4 debug_frame = 0
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	5
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	6 class jtagdev(object):
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	7 ST_RESET = 0
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	8 ST_IDLE = 1
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	9 ST_SHIFT_DR = 2
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	10 ST_SHIFT_IR = 3
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	11 ST_EXIT1_DR = 4
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	12 ST_EXIT1_IR = 5
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	13
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14 def __init__(self, fo):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	15 self.fo = fo
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	16 self.state = self.ST_IDLE
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17 self.seq = 0
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	18 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	19
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	20 def _send_cmd(self, code, data):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	21 cmd = cmd_proto.cmd(self.seq, code, data)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	22 frame = cmd.to_frame()
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	24 self.fo.write(frame)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	25 self.fo.flush()
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	26 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	27
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28 def _send_nbits_data_cmd(self, code, nbits, data):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29 nbits_data = cmd_proto.prepend_nbits(nbits, data)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	30 self._send_cmd(code, nbits_data)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	31 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	32
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33 def _send_tms(self, ptn, nbits):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34 self._send_nbits_data_cmd(cmd_proto.CPCMD_SHIFT_TMS,
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	35 nbits, ptn)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	37
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	38 def wait_reply(self, tmo=None):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 import select
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	41 frame = ''
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	42 while True:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	43 if tmo == None:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	44 rlist, wlist, xlist = select.select((self.fo,), (), ())
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	45 else:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	46 rlist, wlist, xlist = select.select((self.fo,), (), (), tmo)
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	47 pass
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	48 if not rlist:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	49 break
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	50 frame = frame + self.fo.read()
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	51 if len(frame) >= 4 and \
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	52 len(frame) >= (ord(frame[3]) +
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	53 cmd_proto.cmd.FRAME_OVERHEAD):
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	54 break
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	55 tmo = 0.05
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 pass
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	57
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	58 if not frame:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	59 return None
11 520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	60 if debug_frame:
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	61 print repr(frame)
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	62 pass
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	63
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	64 cmd = cmd_proto.cmd()
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	65 r = cmd.from_frame(frame)
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	66 if r:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	67 return None
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	68 return cmd
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	69
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	70 def idle(self):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	71 self.seq = (self.seq + 1) % 256
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	72
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	73 if self.state == self.ST_RESET:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	74 ptn, nbits = tms_ptns.TMS_RESET_2_IDLE
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	75 else:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	76 ptn, nbits = tms_ptns.TMS_IDLE_SEQ
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	77 pass
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	78 self._send_tms(ptn, nbits)
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	79
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	80 self.state = self.ST_IDLE
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	81 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	82
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	83 def go_shift_IR(self):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	84 if self.state == self.ST_SHIFT_IR:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	85 return
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	86
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	87 if self.state == self.ST_IDLE:
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	88 ptn, ptn_nbits = tms_ptns.TMS_SHIFT_IR
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	89 self._send_tms(ptn, ptn_nbits)
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	90 elif self.state == self.ST_EXIT1_DR:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	91 ptn, ptn_nbits = tms_ptns.TMS_EXIT1_DR_2_SHIFT_IR
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	92 self._send_tms(ptn, ptn_nbits)
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	93 else:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	94 raise RuntimeError, 'Transite to shift IR state from invalid state'
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	95 self.state = self.ST_SHIFT_IR
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	96 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	97
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	98 def go_shift_DR(self):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	99 if self.state == self.ST_SHIFT_DR:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	100 return
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	101
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	102 if self.state == self.ST_IDLE:
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	103 ptn, ptn_nbits = tms_ptns.TMS_SHIFT_DR
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	104 self._send_tms(ptn, ptn_nbits)
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	105 elif self.state == self.ST_EXIT1_IR:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	106 ptn, ptn_nbits = tms_ptns.TMS_EXIT1_IR_2_SHIFT_DR
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	107 self._send_tms(ptn, ptn_nbits)
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	108 else:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	109 raise RuntimeError, 'Transite to shift DR state from invalid state'
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	110 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	111 self.state = self.ST_SHIFT_DR
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	112 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	113
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	114 def shift_IR(self, data, nbits):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	115 self.seq = (self.seq + 1) % 256
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	116
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	117 if self.state != self.ST_SHIFT_IR:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	118 raise RuntimeError, 'Invalid state'
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	119
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	120 self._send_nbits_data_cmd(cmd_proto.CPCMD_SHIFT_TDI,
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	121 nbits, data)
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	122 self.state = self.ST_EXIT1_IR
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	123 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	124
11 520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	125 def shift_IR_n_out(self, data, nbits):
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	126 self.seq = (self.seq + 1) % 256
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	127
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	128 if self.state != self.ST_SHIFT_IR:
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	129 raise RuntimeError, 'Invalid state'
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	130
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	131 self._send_nbits_data_cmd(cmd_proto.CPCMD_SHIFT_TDI_TDO,
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	132 nbits, data)
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	133 self.state = self.ST_EXIT1_IR
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	134 pass
520f45b72ba7 Add debug_frame flag to enable print-out frame when received Thinker K.F. Li <thinker@branda.to> parents: 10 diff changeset	135
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	136 def shift_DR(self, data, nbits):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	137 self.seq = (self.seq + 1) % 256
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	138
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	139 if self.state != self.ST_SHIFT_DR:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	140 raise RuntimeError, 'Invalid state'
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	141
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	142 self._send_nbits_data_cmd(cmd_proto.CPCMD_SHIFT_TDI,
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	143 nbits, data)
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	144 self.state = self.ST_EXIT1_DR
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	145 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	146
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	147 def shift_DR_n_out(self, data, nbits):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	148 self.seq = (self.seq + 1) % 256
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	149
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	150 if self.state != self.ST_SHIFT_DR:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	151 raise RuntimeError, 'Invalid state'
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	152
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	153 self._send_nbits_data_cmd(cmd_proto.CPCMD_SHIFT_TDI_TDO,
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	154 nbits, data)
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	155 self.state = self.ST_EXIT1_DR
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	156 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	157
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	158 def reset(self):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	159 self._send_cmd(cmd_proto.CPCMD_TRST, '')
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	160 self.state = self.ST_RESET
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	161 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	162 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	163
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	164 def _extract_nbits_data(nbits_data):
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	165 nbits = ord(nbits_data[0]) \| (ord(nbits_data[1]) << 8)
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	166 return nbits, nbits_data[2:]
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	167
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	168 def _get_bit(data, bit_idx):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	169 byte_off = bit_idx / 8
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	170 bit_off = bit_idx % 8
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	171 return (ord(data[byte_off]) >> bit_off) & 0x1
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	172
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	173 def identify_components(dev):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	174 dev.go_shift_IR()
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	175 reply = dev.wait_reply()
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	176 if reply.code != cmd_proto.CPCMD_ACK:
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	177 raise RuntimeError, 'invalid reply code 0x%02x' % (reply.code)
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	178
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	179 dev.shift_IR('\x02', 4)
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	180 reply = dev.wait_reply()
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	181 if reply.code != cmd_proto.CPCMD_ACK:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	182 raise RuntimeError, 'invalid reply code 0x%02x' % (reply.code)
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	183
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	184 dev.go_shift_DR()
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	185 reply = dev.wait_reply()
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	186 if reply.code != cmd_proto.CPCMD_ACK:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	187 raise RuntimeError, 'invalid reply code 0x%02x' % (reply.code)
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	188
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	189 dev.shift_DR_n_out('\xff' * 252, 252 * 8)
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	190 reply = dev.wait_reply()
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	191 if not reply:
cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	192 raise RuntimeError, 'Invalid replied message'
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	193 if reply.code != cmd_proto.CPCMD_DATA:
10 cc106f278d7d Get identify of components Thinker K.F. Li <thinker@branda.to> parents: 8 diff changeset	194 raise RuntimeError, 'invalid replied code 0x%02x %s' % (reply.code, repr(reply))
8 074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	195
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	196 nbits, data = _extract_nbits_data(reply.data)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	197
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	198 components = []
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	199 i = 0
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	200 while i < nbits:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	201 bit = _get_bit(data, i)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	202 if bit == 0:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	203 components.append(0)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	204 i = i + 1
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	205 else:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	206 comp_id = 0
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	207 for j in range(32):
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	208 bit = _get_bit(data, i + j)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	209 comp_id = comp_id \| (bit << j)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	210 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	211 if comp_id == 0xffffffff:
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	212 break
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	213 components.append(comp_id)
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	214 i = i + 32
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	215 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	216 pass
074e860d7d31 jtagdev is a desktop client to communicate with jtag device through Arduino. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	217 return components

Mercurial > avr_jtag

annotate py_avrjtag/jtagdev.py @ 11:520f45b72ba7