pkernel programmer init

[pyfrprog.git] / kernel.py

diff --git a/kernel.py b/kernel.py
new file mode 100755 (executable)
index 0000000..89f7d7c
--- /dev/null
+++ b/kernel.py
@@ -0,0 +1,136 @@
+#!/usr/bin/env python
+import sys, time
+from SerialPort_linux import *
+
+# serial device to communicate with
+DEVICE="/dev/ttyUSB0"
+# baudrate used for communication with pkernel
+KERNEL_BAUDRATE=38400
+
+print "Initializing serial port..."
+tty = SerialPort(DEVICE, 500, INIT_BAUDRATE)
+
+while 1:
+       tty.write('V')
+       tty.flush()
+       try: 
+               if tty.read() == 'F':
+                       break
+       except SerialPortException: 
+               # timeout happened, who cares ;-)
+               pass
+
+print "OK, trying to set baudrate..."
+# set baudrate
+cmdBAUDRATE(REAL_BAUDRATE)
+tty = SerialPort(DEVICE, 100, REAL_BAUDRATE)
+
+"""
+print
+sendByte(0x01)
+print recvByte()
+sendByte(0x02)
+print recvByte()
+sys.exit(0)
+"""
+"""
+# execute (existing) program in ram
+cmdCALL(0x00033ffc)
+sys.exit(0)
+"""
+
+# read something from the IRAM
+#print cmdREAD(0x00030000, 32)
+
+#data = []
+#for i in range(0, 32):
+#      data.append(i)
+#cmdWRITE(0x00030000, 32, data)
+
+
+"""
+# write something to the begin of the IRAM
+data_wr = []
+checksum = 0
+for i in range(0, 0x400):
+       value = i%256
+       data_wr.append(value)
+       checksum = (checksum + value) % (2**16)
+
+print "Calculated checksum:", checksum
+print "Writing", data_wr, "to the IRAM..."
+cmdWRITE(0x00030000, len(data_wr), data_wr)
+print "Received Checksum:", last_checksum
+print
+
+print "Reading from the IRAM again..."
+data_re = cmdREAD(0x00030000, len(data_wr))
+print "Received data:", data_re, "Checksum:", last_checksum
+"""
+
+"""
+# see whats in the iram at the moment
+data_wr = []
+print "Reading from the IRAM..."
+data_re = cmdREAD(0x00030000, 0x10000-4)
+print "Received data:", data_re, "Checksum:", last_checksum
+"""
+
+"""
+# see whats in the dram at the moment
+data_wr = []
+print "Reading from the DRAM..."
+data_re = cmdREAD(0x0002C000, 0x10000-0xC000-4)
+print "Received data:", data_re, "Checksum:", last_checksum
+"""
+
+"""
+# blank the iram
+data_wr = []
+for i in range(0, 0x10000-4):
+       value = 0
+       data_wr.append(value)
+
+print "Writing", data_wr, "to the IRAM..."
+cmdWRITE(0x00030000, len(data_wr), data_wr)
+print "Received Checksum:", last_checksum
+print
+"""
+
+"""
+# blank the dram
+data_wr = []
+for i in range(0, 0x10000-0xC000-4):
+       value = 0
+       data_wr.append(value)
+
+print "Writing", data_wr, "to the DRAM..."
+cmdWRITE(0x0002C000, len(data_wr), data_wr)
+print "Received Checksum:", last_checksum
+print
+"""
+
+
+# write some data in the iram and try to execute it
+data_wr =[
+               0x9B,0x00,
+               0x0D,0x4e,
+               0xcf,0xf1,
+               0x16,0x01,
+               0x9b,0x05,
+               0x04,0xc7,
+               0xc1,0x06,
+               0x16,0x56,
+               0xe0,0xfb, #branch
+               0x9f,0xa0,0x9f,0xa0,0x9f,0xa0, #nop
+               0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+               0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+               0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+               0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+               0x9f,0xa0,0x9f,0xa0,0x9f,0xa0,
+               0x9f,0xa0,0x9f,0xa0,0x9f,0xa0]
+print "Writing", data_wr, "to the IRAM..."
+cmdWRITE(0x00030000, len(data_wr), data_wr)
+print "Received Checksum:", last_checksum
+print
+cmdCALL(0x00030000)