Diff: MMA8451Q.cpp

Revision:

1:d2630136d51e

Parent:

0:6149091f755d

Child:

3:db7126dbd63f

--- a/MMA8451Q.cpp	Thu Oct 11 10:54:16 2012 +0000
+++ b/MMA8451Q.cpp	Thu Oct 11 14:26:22 2012 +0000
@@ -1,24 +1,42 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
 #include "MMA8451Q.h"
 
-#define REG_WHO_AM_I       0x0D
-#define REG_CTRL_REG_1     0x2A
+#define REG_WHO_AM_I      0x0D
+#define REG_CTRL_REG_1    0x2A
 #define REG_OUT_X_MSB     0x01
 #define REG_OUT_Y_MSB     0x03
 #define REG_OUT_Z_MSB     0x05
 
-#define UINT14_MAX 16383
+#define UINT14_MAX        16383
 
 MMA8451Q::MMA8451Q(PinName sda, PinName scl, int addr) : m_i2c(sda, scl), m_addr(addr) {
     // activate the peripheral
     uint8_t data[2] = {REG_CTRL_REG_1, 0x01};
-    write_regs(data, 2);
+    writeRegs(data, 2);
 }
 
 MMA8451Q::~MMA8451Q() { }
 
 uint8_t MMA8451Q::getWhoAmI() {
     uint8_t who_am_i = 0;
-    read_regs(REG_WHO_AM_I, &who_am_i, 1);
+    readRegs(REG_WHO_AM_I, &who_am_i, 1);
     return who_am_i;
 }
 
@@ -43,7 +61,7 @@
 int16_t MMA8451Q::getAccAxis(uint8_t addr) {
     int16_t acc;
     uint8_t res[2];
-    read_regs(addr, res, 2);
+    readRegs(addr, res, 2);
 
     acc = (res[0] << 6) | (res[1] >> 2);
     if (acc > UINT14_MAX/2)
@@ -52,12 +70,12 @@
     return acc;
 }
 
-void MMA8451Q::read_regs(int addr, uint8_t * data, int len) {
+void MMA8451Q::readRegs(int addr, uint8_t * data, int len) {
     char t[1] = {addr};
     m_i2c.write(m_addr, t, 1, true);
     m_i2c.read(m_addr, (char *)data, len);
 }
 
-void MMA8451Q::write_regs(uint8_t * data, int len) {
+void MMA8451Q::writeRegs(uint8_t * data, int len) {
     m_i2c.write(m_addr, (char *)data, len);
 }