bool read_data(boost::system::error_code & ec)
{
if(context_.check_wc<false>(MSG_DATA, ec))
{
return write_ack(ec);
}
return false;
}
/// read from a connected I2C slave device
//
/// This function reads n bytes of data from the device with address a
/// that is connected to the I2C bus.
void read( fast_byte a, byte data[], fast_byte n ) override {
write_start();
write_byte( ( a << 1 ) | 0x01 );
read_ack();
for( fast_byte i = 0; i < n; i++ ){
if( i > 0 ){
write_ack();
}
data[ i ] = read_byte();
}
write_stop();
}
