stm32f4discovery: use openocd for flashing

boards/stm32f4discovery/Makefile.include

@@ -24,9 +24,9 @@ export LINK = $(PREFIX)gcc
 export SIZE = $(PREFIX)size
 export OBJCOPY = $(PREFIX)objcopy
 export TERMPROG = $(RIOTBASE)/dist/tools/pyterm/pyterm
-export FLASHER = st-flash
+export FLASHER = $(RIOTBOARD)/$(BOARD)/dist/flash.sh
 export DEBUGGER = $(RIOTBOARD)/$(BOARD)/dist/debug.sh
-export DEBUGSERVER = st-util
+export RESET = $(RIOTBOARD)/$(BOARD)/dist/reset.sh
 
 # define build specific options
 CPU_USAGE = -mcpu=cortex-m4
@@ -35,11 +35,12 @@ export CFLAGS += -ggdb -g3 -std=gnu99 -Os -Wall -Wstrict-prototypes $(CPU_USAGE)
 export CFLAGS += -ffunction-sections -fdata-sections -fno-builtin
 export ASFLAGS += -ggdb -g3 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian
 export LINKFLAGS += -g3 -ggdb -std=gnu99 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mthumb-interwork -nostartfiles
+# $(LINKERSCRIPT) is specified in cpu/Makefile.include
 export LINKFLAGS += -T$(LINKERSCRIPT)
-export OFLAGS = -O binary
-export FFLAGS = write bin/$(BOARD)/$(APPLICATION).hex 0x8000000
-export DEBUGGER_FLAGS = $(RIOTBOARD)/$(BOARD)/dist/gdb.conf $(BINDIR)/$(APPLICATION).elf
+export OFLAGS = -O ihex
 export TERMFLAGS += -p "$(PORT)"
+export FFLAGS = $(HEXFILE)
+export DEBUGGER_FLAGS = $(RIOTBOARD)/$(BOARD)/dist/gdb.cfg $(ELFFILE)
 
 # unwanted (CXXUWFLAGS) and extra (CXXEXFLAGS) flags for c++
 export CXXUWFLAGS +=

boards/stm32f4discovery/dist/debug.sh

@@ -1,4 +1,19 @@
 #!/bin/sh
 
-echo "Debugging $1"
+openocd -f "board/stm32f4discovery.cfg" \
+    -c "tcl_port 6333" \
+    -c "telnet_port 4444" \
+    -c "init" \
+    -c "targets" \
+    -c "reset halt" \
+    -l /dev/null &
+
+# save pid to terminate afterwards
+OCD_PID=$?
+
+# needed for openocd to set up
+sleep 2
+
 arm-none-eabi-gdb -tui -command=$1 $2
+
+kill ${OCD_PID}

boards/stm32f4discovery/dist/flash.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+openocd -f "board/stm32f4discovery.cfg" \
+    -c 'tcl_port 0' \
+    -c 'gdb_port 0' \
+    -c 'telnet_port 0' \
+    -c "init" \
+    -c "targets" \
+    -c "reset" \
+    -c "halt" \
+    -c "flash protect 0 0 11 off" \
+    -c "flash erase_address 0x08000000 0x100000" \
+    -c "flash write_image erase $1 0 ihex" \
+    -c "verify_image $1" \
+    -c "reset run"\
+    -c "shutdown"

boards/stm32f4discovery/dist/gdb.cfg

@@ -0,0 +1 @@
+target extended-remote :3333

boards/stm32f4discovery/dist/gdb.conf

@@ -1 +0,0 @@
-tar extended-remote :4242

boards/stm32f4discovery/dist/reset.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+openocd -f "board/stm32f4discovery.cfg" \
+    -c 'tcl_port 0' \
+    -c 'gdb_port 0' \
+    -c 'telnet_port 0' \
+    -c "init" \
+    -c "reset run" \
+    -c "shutdown"