TinyFPGA B-Series programmer

Author: tinyfpga

Diff for: installer.cfg

@@ -0,0 +1,16 @@
+[Application]
+name=TinyFPGA Programmer
+version=1.0
+script=tinyfpgab-programmer.py
+console=false
+#icon=myapp.ico
+
+[Python]
+version=2.7.13
+
+[Include]
+packages = serial
+     intelhex
+     
+files = tinyfpgab.py
+

Diff for: tinyfpgab-programmer.py

@@ -0,0 +1,289 @@
+#!python2.7
+import sys
+import os
+script_path = os.path.dirname(os.path.realpath(__file__))
+local_packages_path = os.path.join(script_path, 'pkgs')
+sys.path.insert(0, local_packages_path)
+
+import serial
+import array
+import time
+from intelhex import IntelHex
+from Tkinter import *
+from ttk import *
+import tkFileDialog
+import threading
+import os
+import os.path
+import traceback
+from serial.tools.list_ports import comports
+
+from tinyfpgab import h, TinyFPGAB
+
+
+################################################################################
+################################################################################
+##
+## TinyFPGA B-Series Programmer GUI
+##
+################################################################################
+################################################################################
+
+r = Tk()
+r.title("TinyFPGA B-Series Programmer")
+r.resizable(width=False, height=False)
+
+program_in_progress = False
+program_failure = False
+
+boot_fpga_b = Button(r, text="Exit Bootloader")
+program_fpga_b = Button(r, text="Program FPGA")
+program_progress_pb = Progressbar(r, orient="horizontal", length=400, mode="determinate")
+
+program_status_sv = StringVar(r)
+
+serial_port_ready = False;
+bitstream_file_ready = False;
+file_mtime = 0
+
+def update_button_state():
+    if serial_port_ready and not program_in_progress:
+        boot_fpga_b.config(state=NORMAL)
+
+        if bitstream_file_ready:
+            program_fpga_b.config(state=NORMAL)
+        else:
+            program_fpga_b.config(state=DISABLED)
+
+    else:
+        boot_fpga_b.config(state=DISABLED)
+        program_fpga_b.config(state=DISABLED)
+
+
+########################################
+## Select Serial Port
+########################################
+
+com_port_status_sv = StringVar(r)
+com_port_status_l = Label(r, textvariable=com_port_status_sv)
+com_port_status_l.grid(column=1, row=0, sticky=W+E, padx=10, pady=8)
+com_port_sv = StringVar(r)
+com_port_sv.set("")
+select_port_om = OptionMenu(r, com_port_sv, ())
+select_port_om.grid(column=0, row=0, sticky=W+E, padx=10, pady=8)
+
+tinyfpga_ports = []
+def update_serial_port_list_task():
+    global tinyfpga_ports
+    global program_in_progress
+    
+    if not program_in_progress:
+        new_tinyfpga_ports = [i[0] for i in comports() if ("0000:0000" in i[2]) or ("1209:2100" in i[2])]
+
+        if new_tinyfpga_ports != tinyfpga_ports:
+            if com_port_sv.get() == "" and len(new_tinyfpga_ports) > 0:
+                com_port_sv.set(new_tinyfpga_ports[0])
+            menu = select_port_om["menu"]
+            menu.delete(0, "end")
+            for string in new_tinyfpga_ports:
+                menu.add_command(
+                    label=string, 
+                    command=lambda value=string: com_port_sv.set(value))
+            tinyfpga_ports = new_tinyfpga_ports
+
+    r.after(1000, update_serial_port_list_task)
+
+update_serial_port_list_task()
+
+def check_port_status_task():
+    global serial_port_ready
+    if not program_in_progress:
+        try:
+            with serial.Serial(com_port_sv.get(), 10000000, timeout=1, writeTimeout=0.1) as ser:
+                fpga = TinyFPGAB(ser)
+
+                fpga.wake()
+                devid = fpga.read_id()
+
+                expected_devid = [0x1F, 0x84, 0x01]
+                if devid == expected_devid:
+                    com_port_status_sv.set("Bootloader active. Ready to program.")
+                    serial_port_ready = True;
+                    update_button_state()
+                else:
+                    com_port_status_sv.set("Unable to communicate with TinyFPGA. Reconnect and reset TinyFPGA before programming.")
+                    serial_port_ready = False;
+                    update_button_state()
+
+        except serial.SerialTimeoutException:
+            com_port_status_sv.set("Hmm...try pressing the reset button on TinyFPGA again.")
+            serial_port_ready = False;
+            update_button_state()
+
+        except:
+            com_port_status_sv.set("Bootloader not active. Press reset button on TinyFPGA before programming.")
+            serial_port_ready = False;
+            update_button_state()
+            
+    r.after(50, check_port_status_task)
+
+check_port_status_task()
+
+
+########################################
+## Select File
+########################################
+
+filename_sv = StringVar(r)
+
+def select_bitstream_file_cmd():
+    filename = tkFileDialog.askopenfilename(
+        title = "Select file", 
+        filetypes = [
+            ('FPGA Bitstream Files', '.hex'), 
+            ('all files', '.*')
+        ]
+    )
+
+    filename_sv.set(filename)
+
+select_file_b = Button(r, text="Select File", command=select_bitstream_file_cmd)
+select_file_b.grid(column=0, row=1, sticky=W+E, padx=10, pady=8)
+filename_e = Entry(r)
+filename_e.config(textvariable=filename_sv)
+filename_e.grid(column=1, row=1, sticky=W+E, padx=10, pady=8)
+
+def check_bitstream_file_status_cmd(): 
+    global bitstream_file_ready
+    global file_mtime
+
+    if os.path.isfile(filename_sv.get()):
+        new_file_mtime = os.stat(filename_sv.get()).st_mtime
+
+        bitstream_file_ready = True
+        update_button_state()
+
+        if new_file_mtime > file_mtime:
+            program_status_sv.set("Bitstream file updated.")
+        
+        file_mtime = new_file_mtime
+
+    else:
+        if bitstream_file_ready:
+            program_status_sv.set("Bitstream file no longer exists.")
+
+        bitstream_file_ready = False
+        update_button_state()
+
+def check_bitstream_file_status_task():
+    check_bitstream_file_status_cmd()
+    r.after(1000, check_bitstream_file_status_task)
+
+check_bitstream_file_status_task()
+
+def check_bitstream_file_status_cb(*args):
+    global file_mtime
+    file_mtime = 0
+    check_bitstream_file_status_cmd()
+
+filename_sv.trace("w", check_bitstream_file_status_cb)
+
+
+
+########################################
+## Program FPGA
+########################################
+
+program_status_l = Label(r, textvariable=program_status_sv)
+program_status_l.grid(column=1, row=3, sticky=W+E, padx=10, pady=8)
+
+program_progress_pb.grid(column=1, row=2, sticky=W+E, padx=10, pady=8)
+
+def program_fpga_thread():
+    global program_in_progress
+    global program_failure
+    program_failure = False
+
+    try:
+        
+        with serial.Serial(com_port_sv.get(), 10000000, timeout=1, writeTimeout=1) as ser:
+            global current_progress
+            global max_progress
+            current_progress = 0
+
+            def progress(v): 
+                if isinstance(v, int) or isinstance(v, long):
+                    global current_progress
+                    current_progress += v
+                elif isinstance(v, str):
+                    program_status_sv.set(v)
+
+            fpga = TinyFPGAB(ser, progress)
+
+            (addr, bitstream) = fpga.slurp(filename_sv.get())
+
+            max_progress = len(bitstream) * 3 
+
+            try:
+                fpga.program_bitstream(addr, bitstream)
+            except:
+                program_failure = True
+
+        program_in_progress = False
+    except:
+        program_failure = True
+
+current_progress = 0
+max_progress = 0
+
+def update_progress_task():
+    global current_progress
+    global max_progress
+    program_progress_pb["value"] = current_progress
+    program_progress_pb["maximum"] = max_progress
+    r.after(10, update_progress_task)
+
+update_progress_task()
+
+def program_fpga_cmd():
+    global program_in_progress
+    program_in_progress = True
+    update_button_state()
+    t = threading.Thread(target=program_fpga_thread)
+    t.start()
+
+program_fpga_b.configure(command=program_fpga_cmd)
+program_fpga_b.grid(column=0, row=2, sticky=W+E, padx=10, pady=8)
+
+def program_failure_task():
+    global program_failure
+    if program_failure:
+        program_status_sv.set("Programming failed! Reset TinyFPGA and try again.")
+        program_failure = False
+
+    r.after(100, program_failure_task)
+
+program_failure_task()
+
+
+########################################
+## Boot FPGA
+########################################
+
+def boot_cmd():
+    with serial.Serial(com_port_sv.get(), 10000000, timeout=1, writeTimeout=0.1) as ser:
+        try:
+            TinyFPGAB(ser).boot()
+
+        except serial.SerialTimeoutException:
+            com_port_status_sv.set("Hmm...try pressing the reset button on TinyFPGA again.")
+
+boot_fpga_b.configure(command=boot_cmd)
+boot_fpga_b.grid(column=0, row=3, sticky=W+E, padx=10, pady=8)
+
+# make sure we can't get resized too small
+r.update()
+r.minsize(r.winfo_width(), r.winfo_height())
+
+# start the gui
+r.mainloop()