def scan_chain(self):
urc = urjtag.chain()
urc.bsdl_set_path(self.bsdlp)
urc.cable("roach-2")
urc.test_cable()
urc.set_frequency(100000)
#not sure why this is neccesary, but without it the chain does not scan
urc.set_trst(0)
urc.reset()
urc.tap_detect()
urc.disconnect()
def __init__(self,cable,partid,index,a_width,d_width):
self.u=urjtag.chain()
self.u.cable(cable)
#u.cable("DLC5 ppdev /dev/parport0")
self.u.tap_detect()
self.m_width=max(a_width,d_width)
self.mask=(1<<self.m_width)-1
#Now we find the part we want to control
for i in range(0,self.u.len()):
self.u.part(i)
if self.u.partid(i)== partid and index==1:
self.u.add_register("BAR",self.m_width+2)
self.u.add_instruction("BUSACC","000010","BAR")
self.u.set_instruction("BUSACC")
self.u.shift_ir()
self.part_nr = i
else:
self.u.set_instruction("BYPASS")
self.u.shift_ir()
if self.u.partid(i)==partid:
index -= 1
def printf(format, *args):
"""Format args with the first argument as format string, and print.
If the format is not a string, it is converted to one with str.
You must use printf('%s', x) instead of printf(x) if x might
contain % or backslash characters."""
sys.stdout.write(str(format) % args)
import sys
sys.path.append(".")
import urjtag
#urjtag.loglevel(0) # ALL
urc = urjtag.chain()
printf("%s\n", urc)
urc.cable("JTAGKey")
printf("urc.cable done %s\n", urc)
urc.test_cable()
printf("urc.test_cable done\n")
# trst = urc.get_trst()
# printf("TRST=%d\n", trst)
# urc.set_trst(0)
# trst = urc.get_trst()
# printf( "TRST set 0 -> %d\n", trst)
# urc.set_trst(1)
# works in both python 2 and 3
def printf(format, *args):
"""Format args with the first argument as format string, and print.
If the format is not a string, it is converted to one with str.
You must use printf('%s', x) instead of printf(x) if x might
contain % or backslash characters."""
sys.stdout.write(str(format) % args)
import sys
sys.path.append( "." )
import urjtag
#urjtag.loglevel(0) # ALL
urc = urjtag.chain()
printf("%s\n", urc);
urc.cable("JTAGKey")
printf("urc.cable done %s\n", urc)
urc.test_cable()
printf("urc.test_cable done\n")
# trst = urc.get_trst()
# printf("TRST=%d\n", trst)
# urc.set_trst(0)
# trst = urc.get_trst()
# printf( "TRST set 0 -> %d\n", trst)
# urc.set_trst(1)
import urjtag
urc1 = urjtag.chain()
urc1.cable('usbblaster')
urc1.reset()
urc1.addpart(10)
urc1.addpart(4)
urc1.part(1)
urc1.set_instruction('BYPASS')
urc1.shift_ir()
urc1.shift_dr()
urc1.part(0)
urc1.add_register('BSR', 240)
urc1.add_instruction('SAMPLE', '0000000101', 'BSR')
urc1.set_instruction('SAMPLE')
urc1.shift_ir()
urc1.shift_dr()
dr = urc1.get_dr_out_string()
print(dr)
from i2c_tools import *
from i2c_obj import *
from Si57x import *
from ADN4604 import *
from FM_S14 import *
import urjtag
import time
#First set the SCANSTA and configure I2C controller
#as the configuration is long, I've added a way
#to disable itm, when you know, that the board
#is already configured
reconfigure = True
#reconfigure = False
if reconfigure:
t1=time.time()
u=urjtag.chain()
u.cable("xpc_ext")
u.set_frequency(6000000)
u.addpart(8)
u.run_svf("st111.svf")
u.tap_detect()
print "Next operation may take even 15 minutes. Don't interrupt it, ot the XPC programmer may hang"
u.run_svf("AFCK_i2c_bscan_ctrl.svf")
u.disconnect()
t2=time.time()
print "Initialization time:" + str(t2-t1)
del(u)
#If we got here, it means, that SCANSTA111 got configured
#and I2C_BSCAN controller is loaded into FPGA
#build the controller interface object
