Ejemplo n.º 1
0
        private void setAccelFullScaleRange(AccelFullScale afs)
        {
            //  * 0 = +/- 2g
            //  * 1 = +/- 4g
            //  * 2 = +/- 8g
            //  * 3 = +/- 16g

            // bit 4 len 2
            this.WriteBits(Register.ACCEL_CONFIG, 4, 2, Convert.ToByte(afs));
            Hardware.Library.Delay(10);
        }
Ejemplo n.º 2
0
        private static float get_aRes(AccelFullScale ascale)
        {
            switch (ascale)
            {
            // Possible accelerometer scales (and their register bit settings) are:
            // 2 Gs (00), 4 Gs (01), 8 Gs (10), and 16 Gs  (11).
            // Here's a bit of an algorith to calculate DPS/(ADC tick) based on that 2-bit value:
            case AccelFullScale.AFS_2G:
                return(2.0f / 32768.0f);

            case AccelFullScale.AFS_4G:
                return(4.0f / 32768.0f);

            case AccelFullScale.AFS_8G:
                return(8.0f / 32768.0f);

            case AccelFullScale.AFS_16G:
                return(16.0f / 32768.0f);

            default:
                throw new Exception("get_aRes error");
            }
        }