Add verifyflash build target (#2368)

* Don't default to 80Mhz flash speed in Basic_Storage sample

May cause problems which are hard to diagnose

* Add `verifyflash` build target

Sming/Arch/Host/Components/vflash/component.mk

@@ -24,6 +24,12 @@ define WriteFlash
 	$(if $1,$(Q) $(VFLASH) write-chunks $1)
 endef
 
+# Verify one or more chunks against flash content
+# $1 -> List of `Offset=File` chunks
+define VerifyFlash
+	@echo VerifyFlash not implemented for Host
+endef
+
 # Read flash memory into file
 # $1 -> `Offset,Size` chunk
 # $2 -> Output filename

Sming/Components/esptool/component.mk

@@ -52,6 +52,15 @@ define WriteFlash
 	)
 endef
 
+# Verify flash against file contents
+# $1 -> List of `Offset=File` chunks
+define VerifyFlash
+	$(if $1,\
+		$(info VerifyFlash $1) \
+		$(call ESPTOOL_EXECUTE,verify_flash $(flashimageoptions) $(subst =, ,$1)) \
+	)
+endef
+
 # Read flash memory into file
 # $1 -> `Offset,Size` chunk
 # $2 -> Output filename

Sming/component.mk

@@ -151,3 +151,8 @@ ifeq ($(ENABLE_GDB), 1)
 else ifneq ($(SMING_ARCH),Host)
 	$(TERMINAL)
 endif
+
+.PHONY: verifyflash
+verifyflash: ##Read all flash sections and verify against source
+	$(Q) $(call CheckPartitionChunks,$(FLASH_PARTITION_CHUNKS))
+	$(call VerifyFlash,$(FLASH_BOOT_CHUNKS) $(FLASH_MAP_CHUNK) $(FLASH_PARTITION_CHUNKS))

docs/source/troubleshooting/random-restart.rst

@@ -26,3 +26,7 @@ To achieve this do the following:
 3) Re-program your device::
 
       make flash
+
+4) Verify flash data has been written successfully
+
+      make verifyflash

samples/Basic_Storage/basic_storage.hw

@@ -11,7 +11,7 @@
 			 * https://sming.readthedocs.io/en/latest/_inc/Sming/Components/esptool/index.html#envvar-SPI_MODE.
 			*/
 			// "mode": "qio",
-			"speed": 80
+			// "speed": 80
 		}
 	},
 	"partitions": {