Bremen Team - Hangar / SML2

Implemented first Hangar-Service

Dependencies:   CalibrateMagneto QuaternionMath

Fork of SML2 by TobyRich GmbH

PowerAwareI2C.h@33:bd56fc8aeb0a, 2015-05-05 (annotated)

Committer:
pvaibhav
Date:
Tue May 05 09:59:11 2015 +0000
Revision:
33:bd56fc8aeb0a
Parent:
32:d37447aec6b4
Child:
46:fd5a62296b12
White LED mirrors blue LED

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pvaibhav 32:d37447aec6b4 1 #ifndef _H_POWERAWAREI2C_H
pvaibhav 32:d37447aec6b4 2 #define _H_POWERAWAREI2C_H
pvaibhav 32:d37447aec6b4 3
pvaibhav 32:d37447aec6b4 4 #include "mbed.h"
pvaibhav 32:d37447aec6b4 5 #include "i2c_api.h"
pvaibhav 32:d37447aec6b4 6
pvaibhav 32:d37447aec6b4 7 /// This is a variation of I2C class from mbed, which adds power on and off functions to the I2C peripheral. This should save about 1 mA.
pvaibhav 32:d37447aec6b4 8 class PowerAwareI2C : public I2C
pvaibhav 32:d37447aec6b4 9 {
pvaibhav 32:d37447aec6b4 10 public:
pvaibhav 32:d37447aec6b4 11 PowerAwareI2C(PinName sda, PinName scl) : I2C(sda, scl) {}
pvaibhav 32:d37447aec6b4 12
pvaibhav 32:d37447aec6b4 13 /// Power on the I2C peripheral
pvaibhav 32:d37447aec6b4 14 void powerOn()
pvaibhav 32:d37447aec6b4 15 {
pvaibhav 33:bd56fc8aeb0a 16 _i2c.i2c->ENABLE = (TWI_ENABLE_ENABLE_Enabled << TWI_ENABLE_ENABLE_Pos);
pvaibhav 32:d37447aec6b4 17 }
pvaibhav 32:d37447aec6b4 18
pvaibhav 32:d37447aec6b4 19 /// Power off the I2C peripheral
pvaibhav 32:d37447aec6b4 20 void powerOff()
pvaibhav 32:d37447aec6b4 21 {
pvaibhav 33:bd56fc8aeb0a 22 _i2c.i2c->ENABLE = TWI_ENABLE_ENABLE_Disabled << TWI_ENABLE_ENABLE_Pos;
pvaibhav 33:bd56fc8aeb0a 23 _i2c.i2c->POWER = 0;
pvaibhav 32:d37447aec6b4 24 }
pvaibhav 32:d37447aec6b4 25 };
pvaibhav 32:d37447aec6b4 26
pvaibhav 32:d37447aec6b4 27 #endif//_H_POWERAWAREI2C_H