test_LM75B.cpp

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#include "test_LM75B.h"
 
/* LM75B class ******************************************/
 
test_LM75B::test_LM75B( const uint8_t i2c_address ) : I2C_device( i2c_address )
{
}
 
test_LM75B::test_LM75B( TwoWire& wire, const uint8_t i2c_address ) : I2C_device( wire, i2c_address )
{
}
 
test_LM75B::~test_LM75B()
{
}
 
float test_LM75B::read()
{
    return read_r16( Temp ) / 256.0;
}
 
void test_LM75B::thresholds( const float v0, const float v1 )
{
    float higher    = (v0 < v1) ? v1 : v0;
    float lower     = (v0 < v1) ? v0 : v1;
    
    write_r16( Tos,   ((uint16_t)(higher * 256.0)) & 0xFF80 );
    write_r16( Thyst, ((uint16_t)(lower  * 256.0)) & 0xFF80 );
}
 
void test_LM75B::os_mode( const mode flag )
{
    uint8_t v;
    
    v    = read_r8( Conf );
    v   &= ~0x02;
    v   |= flag << 1;
    
    write_r8( Conf, v );
}