Revision 159
got state transitions working with toolbox board!
| netprog.py | ||
|---|---|---|
| 7 | 7 |
TT_ACK = 'a' |
| 8 | 8 |
TT_NACK = 'n' |
| 9 | 9 |
TT_BAD = 0 |
| 10 |
TT_PROGD = 'd' |
|
| 10 | 11 |
|
| 12 |
DUMB_SERIAL = 0 |
|
| 13 |
|
|
| 14 |
BAUD_RATE = 9600 |
|
| 15 |
|
|
| 11 | 16 |
MAX_DATA_LEN = 32 |
| 12 | 17 |
|
| 13 | 18 |
if len(sys.argv) < 4: |
| ... | ... | |
| 31 | 36 |
return '^' + chr(3) + chr(1) + TT_BOOT + chr(3 ^ 1 ^ ord(TT_BOOT)) |
| 32 | 37 |
else: |
| 33 | 38 |
#print ord('^'), 3,1,ord(TT_ACK), (3 ^ 1 ^ ord(TT_ACK))
|
| 34 |
print '<' |
|
| 39 |
print '<',
|
|
| 35 | 40 |
return '^' + chr(3) + chr(1) + TT_ACK + chr(3 ^ 1 ^ ord(TT_ACK)) |
| 36 | 41 |
else: |
| 37 | 42 |
return 0 |
| 38 | 43 |
|
| 39 |
bus = dumbBus() #serial.Serial(sys.argv[1], BAUD_RATE, timeout = 0) |
|
| 44 |
if DUMB_SERIAL == 0: |
|
| 45 |
bus = serial.Serial(sys.argv[1], BAUD_RATE, timeout = 10) |
|
| 46 |
else: |
|
| 47 |
bus = dumbBus() |
|
| 48 |
|
|
| 40 | 49 |
bus.flushInput() |
| 41 | 50 |
#print bus |
| 42 | 51 |
|
| ... | ... | |
| 53 | 62 |
def msb(s): return (s>>8) & 0xFF |
| 54 | 63 |
|
| 55 | 64 |
body = chr(1) + chr(t) + TT_PROGRAM_MODE + chr(lsb(size)) + chr(msb(size)) |
| 65 |
print 1,t,TT_PROGRAM_MODE,lsb(size),msb(size), |
|
| 56 | 66 |
xor = 0 |
| 57 |
for c in body[1:]:
|
|
| 67 |
for c in body: |
|
| 58 | 68 |
xor = xor ^ ord(c) |
| 69 |
print xor |
|
| 59 | 70 |
|
| 60 | 71 |
msg = '^' + body + chr(xor) |
| 61 | 72 |
print "sending P" |
| 62 | 73 |
bus.write(msg) |
| 63 | 74 |
|
| 64 | 75 |
def sendData(t, data): |
| 65 |
body = chr(1) + chr(t) + data |
|
| 76 |
body = chr(1) + chr(t) + TT_PROGD + data |
|
| 77 |
n = len(data) |
|
| 78 |
while n < MAX_DATA_LEN: |
|
| 79 |
body = body + chr(0) |
|
| 80 |
n = n + 1 |
|
| 66 | 81 |
xor = 0 |
| 67 |
for c in body[1:]:
|
|
| 82 |
for c in body: |
|
| 68 | 83 |
xor = xor ^ ord(c) |
| 69 | 84 |
|
| 70 | 85 |
msg = '^' + body + chr(xor) |
| 71 |
print "sending data" |
|
| 72 | 86 |
bus.write(msg) |
| 87 |
print '.', |
|
| 88 |
sys.stdout.flush() |
|
| 73 | 89 |
|
| 74 | 90 |
def readPacket(): |
| 75 | 91 |
msg = bus.read(5) |
| 92 |
if len(msg) < 5: |
|
| 93 |
print "message too short! len =",len(msg) |
|
| 94 |
return TT_BAD |
|
| 76 | 95 |
if msg[0] != '^': |
| 77 | 96 |
print "did not get start delimeter!" |
| 78 | 97 |
return TT_BAD |
| ... | ... | |
| 105 | 124 |
exit(-4) |
| 106 | 125 |
|
| 107 | 126 |
sendProgram(toolID, flen) |
| 108 |
if readPacket() != TT_ACK: |
|
| 109 |
print "ERROR: tool did not ACK!!!" |
|
| 127 |
r = readPacket() |
|
| 128 |
if r != TT_ACK: |
|
| 129 |
print "ERROR: tool did not ACK!!! got", r |
|
| 110 | 130 |
exit(-1) |
| 111 | 131 |
|
| 132 |
print 'sending data', |
|
| 133 |
sys.stdout.flush() |
|
| 112 | 134 |
while True: |
| 113 | 135 |
data = fin.read(MAX_DATA_LEN) |
| 114 | 136 |
#print data |
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