Add formulae for MSP430 development: llvm-msp430, mspdebug

Library/Formula/llvm-msp430.rb

@@ -0,0 +1,40 @@
+require 'formula'
+
+class LlvmMsp430 <Formula
+  homepage 'https://www.fooe.net/trac/llvm-msp430/wiki'
+  head 'https://www.fooe.net/svn/llvm-msp430/trunk'
+  # Tarballs are not offered as of this writing.
+
+  keg_only <<-KEG.undent
+    This brew builds its own 'clang' and 'llvm',
+    which conflict with XCode and the llvm formula.
+  KEG
+
+  def download_strategy
+    SubversionDownloadStrategy
+  end
+
+  def install
+    system "make all"
+    prefix.install Dir['build/*']
+  end
+
+  def caveats
+    <<-EOS.undent
+      Since this package is keg-only, you must run build commands using something like:
+
+        PATH=#{bin}:$PATH make
+
+      You may use:
+
+        PATH=`brew --prefix llvm-msp430`/bin
+
+      to get the appropiate PATH that will continue to work if versions change.
+
+      The following websites may be helpful for building your project:
+
+        http://processors.wiki.ti.com/index.php/MSP430_LaunchPad_Mac_OS_X
+        https://www.fooe.net/trac/llvm-msp430
+    EOS
+  end
+end

Library/Formula/mspdebug.rb

@@ -0,0 +1,51 @@
+require 'formula'
+
+class Mspdebug <Formula
+  url 'http://downloads.sourceforge.net/project/mspdebug/mspdebug-0.10.tar.gz'
+  md5 '6537f6666451a82422d6a5b01ba48e9c'
+  homepage 'http://mspdebug.sf.net/'
+  head 'git://mspdebug.git.sourceforge.net/gitroot/mspdebug/mspdebug'
+
+  depends_on 'libusb'
+  depends_on 'libusb-compat'
+  depends_on 'libelf'
+
+  def patches
+    # Without this patch, mspdebug hangs when trying
+    # to open a connection to a TI LaunchPad.
+    # see: http://e2e.ti.com/support/microcontrollers/msp43016-bit_ultra-low_power_mcus/f/166/p/18554/212659.aspx#212659
+    DATA
+  end
+
+  def install
+    ENV["PREFIX"] = prefix
+    inreplace "Makefile", "/opt", "/usr" # Don't assume MacPorts. (May not be necessary.)
+    system "make install"
+  end
+
+  def caveats
+    <<-EOS.undent
+        If you're using a RF2500-like device like the TI LaunchPad, you must
+        install a codeless kext for the device to be recognized by mspdebug.
+
+        More information is available at http://mspdebug.sourceforge.net/download.html.
+    EOS
+  end
+end
+
+__END__
+diff --git a/rf2500.c b/rf2500.c
+index ac27dcd..70a69b8 100644
+--- a/rf2500.c
++++ b/rf2500.c
+@@ -212,10 +212,5 @@ transport_t rf2500_open(const char *devpath)
+ 		return NULL;
+ 	}
+
+-	/* Flush out lingering data */
+-	while (usb_bulk_read(tr->handle, USB_FET_IN_EP,
+-			     buf, sizeof(buf),
+-			     100) >= 0);
+-
+ 	return (transport_t)tr;
+ }