Linux: Add support for blinkm to test I2C layering

Running the blinkm device to test I2C

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

makefiles/linux/config_linux_default.mk

@@ -11,6 +11,7 @@
 # Board support modules
 #
 MODULES		+= drivers/device
+MODULES		+= drivers/blinkm
 MODULES		+= modules/sensors
 MODULES		+= drivers/ms5611
 

src/drivers/drv_blinkm.h

@@ -42,6 +42,7 @@
 
 #pragma once
 
+#include <px4_defines.h>
 #include <stdint.h>
 #include <sys/ioctl.h>
 
@@ -52,7 +53,7 @@
  */
 
 #define _BLINKMIOCBASE		(0x2900)
-#define _BLINKMIOC(_n)		(_IOC(_BLINKMIOCBASE, _n))
+#define _BLINKMIOC(_n)		(_PX4_IOC(_BLINKMIOCBASE, _n))
 
 /** play the named script in *(char *)arg, repeating forever */
 #define BLINKM_PLAY_SCRIPT_NAMED	_BLINKMIOC(1)

src/platforms/linux/include/board_config.h

@@ -1 +1,9 @@
 #define UDID_START		0x1FFF7A10
+
+/*
+ * I2C busses
+ */
+#define PX4_I2C_BUS_ESC		1
+#define PX4_I2C_BUS_ONBOARD	2
+#define PX4_I2C_BUS_EXPANSION	3
+#define PX4_I2C_BUS_LED		3

src/platforms/px4_config.h

@@ -44,7 +44,6 @@
 #include <px4_config.h>
 #elif defined (__PX4_LINUX)
 #define CONFIG_NFILE_STREAMS 1
-#define PX4_I2C_BUS_ONBOARD  1
 
 #define px4_errx(x, ...) errx(x, __VA_ARGS__)