stmhal: Add OpenOCD configuration for STM32L4.

stmhal/boards/openocd_stm32l4.cfg

@@ -0,0 +1,42 @@
+# This script configures OpenOCD for use with an ST-Link V2 programmer/debugger
+# and an STM32L4 target microcontroller.
+#
+# To flash your firmware:
+#
+#    $ openocd -f openocd_stm32l4.cfg \
+#        -c "stm_flash build-BOARD/firmware0.bin build-BOARD/firmware1.bin"
+#
+# For a gdb server on port 3333:
+#
+#    $ openocd -f openocd_stm32l4.cfg
+
+
+source [find interface/stlink-v2-1.cfg]
+transport select hla_swd
+source [find target/stm32l4x.cfg]
+reset_config srst_only
+init
+
+proc stm_flash { BIN0 BIN1 } {
+    reset halt
+    sleep 100
+    wait_halt 2
+    flash write_image erase $BIN0 0x08000000
+    sleep 100
+    verify_image $BIN0 0x08000000
+    sleep 100
+    flash write_image erase $BIN1 0x08004000
+    sleep 100
+    verify_image $BIN1 0x08004000
+    sleep 100
+    reset run
+    shutdown
+}
+
+proc stm_erase {} {
+    reset halt
+    sleep 100
+    stm32l4x mass_erase 0
+    sleep 100
+    shutdown
+}