ft2232H + openocd bluepill template

README.md

+# 
+
+## Requirements
+
+```
+sudo apt install python3-pip openocd
+sudo pip3 install pyserial platformio saleae
+sudo pip3 uninstall enum34
+```

templates/bluepill/openocd.cfg

+interface ftdi
+transport select jtag
+
+ftdi_device_desc "FT2232H MiniModule"
+ftdi_vid_pid 0x0403 0x6010
+
+# The other channel is used for UART
+ftdi_channel 1
+ftdi_layout_init 0x0018 0x05fb
+
+# BDBUS4 is connected to JTAG TRST
+ftdi_layout_signal nTRST -data 0x0010
+
+# BDBUS5 is connected to System Reset
+ftdi_layout_signal nSRST -data 0x0020
+
+
+set WORKAREASIZE 0x2000
+source [find target/stm32f1x.cfg]
+
+#tpiu config internal swodump.stm32f103-generic.log uart off 72000000
+
+#reset_config srst_only srst_push_pull srst_nogate connect_assert_srst
+reset_config none srst_push_pull srst_nogate
+

templates/bluepill/test

@@ -15,31 +15,20 @@ def eprint(*args, **kargs):
 
 def flash():
     pipe = subprocess.PIPE
-    cmd = ['platformio', 'run', '-e', 'bluepill_f103c8', '--target', 'upload']
+    cmd = ['openocd', '-f', 'openocd.cfg', '-c' 'program ' +
+           '.pio/build/bluepill_f103c8/firmware.elf verify reset exit']
     p = subprocess.Popen(cmd,
-            stdout=sys.stderr, stdin=pipe)
-    stdout, stderr = p.communicate("") 
-
-
-def popen_jlink():
-    pipe = subprocess.PIPE
-    cmd = ['JLinkExe']
-    cmd.extend(['-autoconnect', '1'])
-    cmd.extend(['-device', 'STM32F103C8'])
-    cmd.extend(['-if', 'swd'])
-    cmd.extend(['-speed', '4000'])
-    return subprocess.Popen(cmd, stdout=sys.stderr, stdin=pipe)
+            stdout=sys.stderr, stdin=sys.stdout)
+    stdout, stderr = p.communicate("")
 
 
 def fill_ram():
-    p = popen_jlink()
-    return p.communicate(("""
-h
-loadbin empty_ram.bin 0x20000000
-r
-g
-exit
-    """).encode('ascii'))
+    pipe = subprocess.PIPE
+    cmd = ['openocd', '-f', 'openocd.cfg', '-c' 'program ' +
+           'empty_ram.bin reset exit 0x20000000']
+    p = subprocess.Popen(cmd,
+            stdout=sys.stderr, stdin=sys.stdout)
+    stdout, stderr = p.communicate("")
 
 
 def get_serial():