.. _program_listing_file_src_mcp3204.cpp:

Program Listing for File mcp3204.cpp
====================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_mcp3204.cpp>` (``src/mcp3204.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #include "mcp3204/mcp3204.hh"
   
   using iplo::MCP3204;
   
   uint8_t MCP3204::buildRequest(std::uint8_t channel, bool single, std::uint8_t* data) {
       data[0] = 0x04;  // start bit
   
       if (single) {
           data[0] |= 0x02;  // single read | differential
       }
   
       if (channel > 3) {
           data[0] |= 0x01;  // msb channel (D2)
       }
   
       if (channel) {
           data[1] |= (channel << 6);  // other 2 bits (D1 D0)
       }
   
       return 3;
   }
   
   MCP3204::MCP3204(SPI& spi) : MCP3X0X(spi) {
       _channels = 4;
       _maxValue = 4095;
   }