Update for qmk userspace, modern homebrew, homebrew hidapi

Makefile

@@ -1,12 +1,14 @@
 OSNAME:=$(shell uname -s)
 
-CFLAGS=-I/usr/local/lib -Wno-write-strings -I../qmk_firmware -lc
+CFLAGS=-Wno-write-strings -I../qmk_userspace -lc
 
 # Order of LDFLAGS matters! Remember, linking happens after compiling.
 LDFLAGS=
 
 ifeq ($(OSNAME),Darwin)
-	CFLAGS += -lhidapi
+	BREW_PREFIX:=$(shell brew --prefix)
+	CFLAGS += -I$(BREW_PREFIX)/include -I$(BREW_PREFIX)/lib -I/usr/local/lib -DOS_DARWIN
+	LDFLAGS += -L$(BREW_PREFIX)/lib -lhidapi
 else
 	CFLAGS += -I/usr/local/include/hidapi
 	LDFLAGS += -lhidapi-libusb

README.md

@@ -11,26 +11,16 @@ This asumes `qmk` is cloned next to this folder:
 
 ```
 git clone [email protected]:rhruiz/hid_send.git
-git clone [email protected]:rhruiz/qmk_firmware.git
+git clone [email protected]:rhruiz/qmk-userspace.git qmk_userspace
 ```
 
 ### macOS setup
 
-Install patched version of hidapi:
-
 ```shell
-git clone https://github.com/signal11/hidapi.git
-cd hidapi
-git remote add dylanmckay https://github.com/dylanmckay/hidapi.git
-git fetch dylanmckay
-git checkout mac-hid-interface-support
-./bootstrap
-./configure
-make
-sudo make install
-cd ../
+brew instal hidapi # brew qmk/qmk/qmk already installed this
 ```
 
+
 ## Building
 
 Just run:

hid_send.c

@@ -5,7 +5,11 @@
 #include <string.h>
 #include <stdbool.h>
 #include <sys/queue.h>
+#ifdef OS_DARWIN
+#include <hidapi/hidapi_darwin.h>
+#else
 #include <hidapi/hidapi.h>
+#endif
 
 // qmk includes
 #include <users/rhruiz/raw_hid/api.h>