예제 #1
0
        /// <summary>
        /// Reads the specified channel.
        /// </summary>
        /// <param name="channel">The channel.</param>
        /// <returns>The value</returns>
        public AnalogValue Read(Mcp3208Channel channel)
        {
            using (spiConnection.SelectSlave())
            {
                // Start bit
                spiConnection.Write(true);

                // Channel is single-ended
                spiConnection.Write(true);

                spiConnection.Write((byte)channel, 3);

                // Let one clock to sample
                spiConnection.Synchronize();

                // Read 12 bits
                var data = (int)spiConnection.Read(12);

                return(new AnalogValue(data, 0xFFF));
            }
        }
예제 #2
0
        public decimal Read(Mcp3008Channel channel)
        {
            using (spiConnection.SelectSlave())
            {
                // Start bit
                spiConnection.Write(true);

                // Channel is single-ended
                spiConnection.Write(true);

                // Channel Id
                spiConnection.Write((byte)channel, 3);

                // Let one clock to sample
                spiConnection.Synchronize();

                // Read 10 bits
                var data = spiConnection.Read(10);

                return(data * scale / 1024m);
            }
        }