Bremen Team - Hangar / SML2

Implemented first Hangar-Service

Dependencies:   CalibrateMagneto QuaternionMath

Fork of SML2 by TobyRich GmbH

PowerAwareI2C.h@46:fd5a62296b12, 2015-05-27 (annotated)

Committer:
pvaibhav
Date:
Wed May 27 13:01:43 2015 +0000
Revision:
46:fd5a62296b12
Parent:
33:bd56fc8aeb0a 
Code reformatted

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 46:fd5a62296b12 12
pvaibhav 32:d37447aec6b4 13 /// Power on the I2C peripheral
pvaibhav 46:fd5a62296b12 14 void powerOn() {
pvaibhav 33:bd56fc8aeb0a 15 _i2c.i2c->ENABLE = (TWI_ENABLE_ENABLE_Enabled << TWI_ENABLE_ENABLE_Pos);
pvaibhav 32:d37447aec6b4 16 }
pvaibhav 46:fd5a62296b12 17
pvaibhav 46:fd5a62296b12 18 /// Power off the I2C peripheral
pvaibhav 46:fd5a62296b12 19 void powerOff() {
pvaibhav 33:bd56fc8aeb0a 20 _i2c.i2c->ENABLE = TWI_ENABLE_ENABLE_Disabled << TWI_ENABLE_ENABLE_Pos;
pvaibhav 33:bd56fc8aeb0a 21 _i2c.i2c->POWER = 0;
pvaibhav 32:d37447aec6b4 22 }
pvaibhav 32:d37447aec6b4 23 };
pvaibhav 32:d37447aec6b4 24
pvaibhav 32:d37447aec6b4 25 #endif//_H_POWERAWAREI2C_H