IoTKitV3 / BMP180

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BMP180Wrapper.cpp@2:e28e685938f1, 2020-05-30 (annotated)

Committer:
marcel1691
Date:
Sat May 30 12:05:18 2020 +0000
Revision:
2:e28e685938f1
Parent:
1:02f543f15108 
DevI2C obsolet durch I2C ersetzt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcel1691 1:02f543f15108 1 /**
marcel1691 1:02f543f15108 2 * Bosch BMP180 Digital Pressure Sensor
marcel1691 1:02f543f15108 3 */
marcel1691 1:02f543f15108 4
marcel1691 1:02f543f15108 5 #include <BMP180Wrapper.h>
marcel1691 1:02f543f15108 6
marcel1691 2:e28e685938f1 7 BMP180Wrapper::BMP180Wrapper( I2C* i2c ) : bmp180(i2c)
marcel1691 1:02f543f15108 8 {
marcel1691 1:02f543f15108 9 }
marcel1691 1:02f543f15108 10
marcel1691 1:02f543f15108 11 int BMP180Wrapper::init( void* init )
marcel1691 1:02f543f15108 12 {
marcel1691 1:02f543f15108 13 while ( 1 )
marcel1691 1:02f543f15108 14 {
marcel1691 1:02f543f15108 15 if ( bmp180.init() != 0 )
marcel1691 1:02f543f15108 16 {
marcel1691 1:02f543f15108 17 printf( "Error communicating with BMP180\n" );
marcel1691 1:02f543f15108 18 }
marcel1691 1:02f543f15108 19 else
marcel1691 1:02f543f15108 20 {
marcel1691 1:02f543f15108 21 printf( "Initialized BMP180\n" );
marcel1691 1:02f543f15108 22 break;
marcel1691 1:02f543f15108 23 }
marcel1691 1:02f543f15108 24 wait( 1 );
marcel1691 1:02f543f15108 25 }
marcel1691 1:02f543f15108 26 return ( 0 );
marcel1691 1:02f543f15108 27 }
marcel1691 1:02f543f15108 28
marcel1691 1:02f543f15108 29 int BMP180Wrapper::read_id( uint8_t* id )
marcel1691 1:02f543f15108 30 {
marcel1691 1:02f543f15108 31 *id = 0x55;
marcel1691 1:02f543f15108 32 return ( 0 );
marcel1691 1:02f543f15108 33 }
marcel1691 1:02f543f15108 34
marcel1691 1:02f543f15108 35 int BMP180Wrapper::get_humidity( float* pfData )
marcel1691 1:02f543f15108 36 {
marcel1691 1:02f543f15108 37 *pfData = 0.0f;
marcel1691 1:02f543f15108 38 bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
marcel1691 1:02f543f15108 39 wait_ms(10); // Wait for conversion to complete
marcel1691 1:02f543f15108 40 int pressure;
marcel1691 1:02f543f15108 41 if(bmp180.getPressure(&pressure) == 0)
marcel1691 1:02f543f15108 42 {
marcel1691 1:02f543f15108 43 *pfData = pressure / 1000.0f;
marcel1691 1:02f543f15108 44 }
marcel1691 1:02f543f15108 45 return ( 0 );
marcel1691 1:02f543f15108 46 }
marcel1691 1:02f543f15108 47
marcel1691 1:02f543f15108 48 int BMP180Wrapper::get_temperature( float* pfData )
marcel1691 1:02f543f15108 49 {
marcel1691 1:02f543f15108 50 bmp180.startTemperature();
marcel1691 1:02f543f15108 51 wait_ms( 5 ); // Wait for conversion to complete
marcel1691 1:02f543f15108 52 return ( bmp180.getTemperature( pfData ) );
marcel1691 1:02f543f15108 53 }
marcel1691 1:02f543f15108 54
marcel1691 1:02f543f15108 55 int BMP180Wrapper::enable( void )
marcel1691 1:02f543f15108 56 {
marcel1691 1:02f543f15108 57 return ( 0 );
marcel1691 1:02f543f15108 58 }