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comparison python/stlink.py @ 113:1f40be088ee8

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Added first start stlink
author Windel Bouwman
date Sat, 05 Jan 2013 00:06:27 +0100
parents
children f42268da614f
comparison
equal deleted inserted replaced
112:056face59ee7 113:1f40be088ee8
1 from usb import UsbContext
2
3 class STLinkException(Exception):
4 pass
5
6 def checkDevice(device):
7 ST_VID=0x0483
8 STLINK2_PID=0x3748
9 return device.VendorId == ST_VID and device.ProductId == STLINK2_PID
10
11 XFER_TO_DEV=0
12 XFER_FROM_DEV=0x80
13
14 class STLink(object):
15 DFU_MODE = 222
16 def __init__(self):
17 self.context = UsbContext()
18 def open(self):
19 context = UsbContext()
20 stlink2s = list(filter(checkDevice, context.DeviceList))
21 if not stlink2s:
22 raise STLinkException('Could not find an ST link')
23 if len(stlink2s) > 1:
24 print('More then one stlink2 found, picking first one')
25 stlink2 = stlink2s[0]
26 dev = stlink2.open()
27 if dev.Configuration != 1:
28 dev.Configuration = 1
29 dev.claimInterface(0)
30 def getCurrentMode(self):
31 print('get cur mode')
32 rep_len = 2
33 self.fillCommand(self, XFER_FROM_DEV, rep_len)
34 size = self.send_recv(1, cmd, data)
35 return self.q_buf[0]
36 CurrentMode = property(getCurrentMode)
37 def fillCommand(self, di, rl):
38 bytes(b'USBC')
39 pass
40 def reset(self):
41 pass
42 def send_recv(self, txbuf, rxbuf):
43 pass
44