Diff: main.h

Revision:

5:4438d5665b4f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h	Tue Sep 03 08:59:49 2013 +0000
@@ -0,0 +1,72 @@
+
+#define MPL3115A2_I2C_ADDRESS (0x60<<1)
+#define MAG_ADDR 0x1D
+// define registers
+#define MAG_DR_STATUS 0x00
+#define MAG_OUT_X_MSB 0x01
+#define MAG_OUT_X_LSB 0x02
+#define MAG_OUT_Y_MSB 0x03
+#define MAG_OUT_Y_LSB 0x04
+#define MAG_OUT_Z_MSB 0x05
+#define MAG_OUT_Z_LSB 0x06
+#define MAG_WHO_AM_I  0x07
+#define MAG_SYSMOD    0x08
+#define MAG_OFF_X_MSB 0x09
+#define MAG_OFF_X_LSB 0x0A
+#define MAG_OFF_Y_MSB 0x0B
+#define MAG_OFF_Y_LSB 0x0C
+#define MAG_OFF_Z_MSB 0x0D
+#define MAG_OFF_Z_LSB 0x0E
+#define MAG_DIE_TEMP  0x0F
+#define MAG_CTRL_REG1 0x10
+#define MAG_CTRL_REG2 0x11
+
+// what should WHO_AM_I return?
+#define MAG_3110_WHO_AM_I_VALUE 0xC4
+
+
+// Fields in registers
+// CTRL_REG1: dr2,dr1,dr0  os1,os0  fr tm ac
+
+// Sampling rate from 80Hz down to 0.625Hz
+#define MAG_3110_SAMPLE80 0
+#define MAG_3110_SAMPLE40 0x20
+#define MAG_3110_SAMPLE20 0x40
+#define MAG_3110_SAMPLE10 0x60
+#define MAG_3110_SAMPLE5 0x80
+#define MAG_3110_SAMPLE2_5 0xA0
+#define MAG_3110_SAMPLE1_25 0xC0
+#define MAG_3110_SAMPLE0_625 0xE0
+
+// How many samples to average (lowers data rate)
+#define MAG_3110_OVERSAMPLE1 0
+#define MAG_3110_OVERSAMPLE2 0x08
+#define MAG_3110_OVERSAMPLE3 0x10
+#define MAG_3110_OVERSAMPLE4 0x18
+
+// read only 1 byte per axis
+#define MAG_3110_FASTREAD 0x04
+// do one measurement (even if in standby mode)
+#define MAG_3110_TRIGGER 0x02
+// put in active mode
+#define MAG_3110_ACTIVE 0x01
+
+// CTRL_REG2: AUTO_MRST_EN  _ RAW MAG_RST _ _ _ _ _
+// reset sensor after each reading
+#define MAG_3110_AUTO_MRST_EN 0x80
+// don't subtract user offsets
+#define MAG_3110_RAW 0x20
+// reset magnetic sensor after too-large field
+#define MAG_3110_MAG_RST 0x10
+
+// DR_STATUS Register ZYXOW ZOW YOW XOW ZYXDR ZDR YDR XDR
+#define MAG_3110_ZYXDR  0x08
+
+
+#define PI 3.14159265359
+#define ON  0
+#define OFF 1
+
+#define RGB_LED_ON  0
+#define RGB_LED_OFF 1
+