Merge pull request #11833 from MrKevinWeiss/boards/openmoteb/flashfix

boards/openmote-b: Fix flashing issues

boards/openmote-b/Makefile.include

@@ -16,19 +16,20 @@ ifeq ($(PROGRAMMER),cc2538-bsl)
   else ifeq ($(OS),Darwin)
     PORT_BSL ?= $(PORT_DARWIN)
   endif
+  FLASHFILE ?= $(HEXFILE)
   FLASHER = $(RIOTBASE)/dist/tools/cc2538-bsl/cc2538-bsl.py
   FFLAGS  = -p "$(PORT_BSL)" --bootloader-invert-lines -e -w -v -b 460800 $(FLASHFILE)
+  RESET ?= $(RIOTTOOLS)/cc2538-bsl/cc2538-bsl.py
+  RESET_FLAGS ?= -p "$(PORT_BSL)" --bootloader-invert-lines
 else ifeq ($(PROGRAMMER),jlink)
-  FLASHER = $(RIOTBOARD)/$(BOARD)/dist/flash.sh
+  # Special flashing and reset scripts are required due to board hardware
-  FFLAGS  = $(BINDIR) $(FLASHFILE)
+  export FLASH_ADDR = 0x200000
-  DEBUGGER = $(RIOTBOARD)/$(BOARD)/dist/debug.sh
+  export JLINK_DEVICE = CC2538SF53
-  DEBUGSERVER = JLinkGDBServer -device CC2538SF53
+  export JLINK_IF = JTAG
-  RESET ?= $(RIOTBOARD)/$(BOARD)/dist/reset.sh
+  export JLINK_RESET_FILE = $(RIOTBOARD)/$(BOARD)/dist/hw_reset.seg
+  include $(RIOTMAKE)/tools/jlink.inc.mk
 endif
 
-FLASHFILE ?= $(BINFILE)
-DEBUGGER_FLAGS = $(BINDIR) $(ELFFILE)
-RESET_FLAGS ?= $(BINDIR)
 export OBJDUMPFLAGS += --disassemble --source --disassembler-options=force-thumb
 
 # setup serial terminal

boards/openmote-b/board.c

@@ -29,6 +29,9 @@ void board_init(void)
     gpio_init(LED1_PIN, GPIO_OUT);
     gpio_init(LED2_PIN, GPIO_OUT);
     gpio_init(LED3_PIN, GPIO_OUT);
+    /* The boot pin must be set to input otherwise it may lock the bootloader */
+    gpio_init(BOOT_PIN, GPIO_IN);
+
     gpio_init(USER_BUTTON_PIN, GPIO_IN);
     gpio_init(RF_SWITCH_2_4_GHZ_PIN, GPIO_OUT);
     gpio_init(RF_SWITCH_SUB_GHZ_PIN, GPIO_OUT);

boards/openmote-b/dist/hw_reset.seg

@@ -0,0 +1,4 @@
+r0
+sleep 100
+r1
+exit

boards/openmote-b/doc.txt

@@ -40,11 +40,6 @@ RIOT support flashing with USB by default.
 You may have to specify the flashing port with
 `PORT_BSL=<my_openmote_port> make flash`
 
-@note       On some boards the MSP430 chip responsible for controlling
-the bootloading pins may not be functioning.  If you are only able to flash
-when there is no image (either the first time after purchase or after erasing
-with the jtag).  Please contact the manufacturer to provide a fix.
-
 ### Flashing via JTAG
 
 To be able to flash the board via JTAG you need to install Seggers JLinkExe
@@ -56,4 +51,11 @@ from your application folder.
 
 Mac OS users may experiment a command line expecting `connect`. Just type it
 and the process will continue.
+
+### Debugging
+
+The JTAG interface is required for debugging.  On some board revisions the
+debug may not be able to run. To debug use:
+
+`make debug`
  */

boards/openmote-b/include/board.h

@@ -96,6 +96,8 @@
 #define CCA_BACKDOOR_ENABLE       (1)
 #define CCA_BACKDOOR_PORT_A_PIN   (6) /**< BSL_BOOT Pin */
 #define CCA_BACKDOOR_ACTIVE_LEVEL (0) /**< Active low */
+
+#define BOOT_PIN    GPIO_PIN(0, CCA_BACKDOOR_PORT_A_PIN) /**< BSL_BOOT Pin */
 /** @} */
 
 /**