From a069d0ca004bbb214e4d022e219ba8689bcf2b8c Mon Sep 17 00:00:00 2001
From: Jan Pieter Waagmeester <jieter@jieter.nl>
Date: Thu, 5 Feb 2015 13:28:54 +0100
Subject: [PATCH] Add a target to download and compile the lpc21isp flash tool

---
 .gitignore   |  1 +
 COMPILING.md |  7 +++----
 Makefile     | 17 +++++++++++++++--
 3 files changed, 19 insertions(+), 6 deletions(-)
 mode change 100644 => 100755 .gitignore

diff --git a/.gitignore b/.gitignore
old mode 100644
new mode 100755
index e218713..97f88e3
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,4 @@
 Debug/
 Release/
 build
+lpc21isp
diff --git a/COMPILING.md b/COMPILING.md
index 6908017..9103abe 100644
--- a/COMPILING.md
+++ b/COMPILING.md
@@ -16,10 +16,9 @@ make
 
 ## Flashing in Linux
 
-Using [lpc21isp], (after entering the bootloader) it's a matter of running
+The makefile has a target to download and build the [lpc21isp utility from sourceforge](http://sourceforge.net/projects/lpc21isp/). Just run
 
 ```
-./lpc21isp build/T-962-controller.hex /dev/ttyUSB0 57600 11059
+make flash
 ```
-
-[lpc21isp]:  http://sourceforge.net/projects/lpc21isp/
+and it wil be downloaded and compiled for you.
diff --git a/Makefile b/Makefile
index a44015a..6da5ea4 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ SRC_DIR := ./src/
 BUILD_DIR := ./build/
 TARGET := $(BUILD_DIR)$(BASE_NAME).axf
 
+
 vpath %.c $(SRC_DIR)
 vpath %.o $(BUILD_DIR)
 vpath %.d $(BUILD_DIR)
@@ -80,9 +81,21 @@ post-build:
 	-arm-none-eabi-objcopy -v -O ihex "$(TARGET)" "$(BUILD_DIR)$(BASE_NAME).hex"
 	-@echo ' '
 
-flash: axf
+lpc21isp: $(BUILD_DIR)tag
+	-@echo ''
+	-@echo 'Downloading lpc21isp 1.97 source from sourceforge'
+	wget http://sourceforge.net/projects/lpc21isp/files/lpc21isp/1.97/lpc21isp_197.zip/download -O $(BUILD_DIR)lpc21isp.zip
+	unzip -qq -o $(BUILD_DIR)lpc21isp.zip -d $(BUILD_DIR)
+
+	-@echo 'Making lpc21isp'
+	$(MAKE) -C $(BUILD_DIR)lpc21isp_197/
+	-@echo 'Copy lpc21isp binary to current directory'
+	cp $(BUILD_DIR)lpc21isp_197/lpc21isp .
+	-@echo ''
+
+flash: axf lpc21isp
+	@echo ''
 	@echo 'Flashing $(COLOR_GREEN)$(BASE_NAME).hex$(COLOR_END) to $(COLOR_RED)$(FLASH_TTY)$(COLOR_END)'
-	@echo ' '
 	$(FLASH_TOOL) "$(BUILD_DIR)$(BASE_NAME).hex" $(FLASH_TTY) $(FLASH_BAUD) $(MCU_CLOCK)
 
 .PHONY: clean dependents