First commit

[hackover2013-badge-firmware.git] / drivers / sensors / mpl115a2 / mpl115a2.h

diff --git a/drivers/sensors/mpl115a2/mpl115a2.h b/drivers/sensors/mpl115a2/mpl115a2.h
new file mode 100644 (file)
index 0000000..354a3a4
--- /dev/null
+++ b/drivers/sensors/mpl115a2/mpl115a2.h
@@ -0,0 +1,77 @@
+/**************************************************************************/
+/*! 
+    @file     mpl115a2.h
+    @author   K. Townsend (microBuilder.eu)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2012, K. Townsend
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+
+#ifndef _MPL115A2_H_
+#define _MPL115A2_H_
+
+#include "projectconfig.h"
+#include "core/i2c/i2c.h"
+
+#define MPL115A2_ADDRESS              (0xC0)    // 1100 000 shifted left 1 bit = 0xC0
+#define MPL115A2_READBIT              (0x01)
+
+enum
+{
+  MPL115A2_REGISTER_PRESSURE_MSB     = 0x00,
+  MPL115A2_REGISTER_PRESSURE_LSB     = 0x01,
+  MPL115A2_REGISTER_TEMP_MSB         = 0x02,
+  MPL115A2_REGISTER_TEMP_LSB         = 0x03,
+  MPL115A2_REGISTER_A0_COEFF_MSB     = 0x04,
+  MPL115A2_REGISTER_A0_COEFF_LSB     = 0x05,
+  MPL115A2_REGISTER_B1_COEFF_MSB     = 0x06,
+  MPL115A2_REGISTER_B1_COEFF_LSB     = 0x07,
+  MPL115A2_REGISTER_B2_COEFF_MSB     = 0x08,
+  MPL115A2_REGISTER_B2_COEFF_LSB     = 0x09,
+  MPL115A2_REGISTER_C12_COEFF_MSB    = 0x0A,
+  MPL115A2_REGISTER_C12_COEFF_LSB    = 0x0B,
+  MPL115A2_REGISTER_STARTCONVERSION  = 0x12
+};
+
+typedef enum
+{
+  MPL115A2_ERROR_OK = 0,               // Everything executed normally
+  MPL115A2_ERROR_I2CINIT,              // Unable to initialise I2C
+  MPL115A2_ERROR_I2CBUSY,              // I2C already in use
+  MPL115A2_ERROR_LAST
+}
+mpl115a2Error_t;
+
+mpl115a2Error_t mpl115a2Init(void);
+mpl115a2Error_t mpl115a2GetPressure(float *pressure);
+
+#endif
+
+