Program Listing for File mcp3202.cpp

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#include "mcp3202/mcp3202.hh"

using iplo::MCP3202;

uint8_t MCP3202::buildRequest(std::uint8_t channel, bool single, std::uint8_t* data) {
    data[0] = 0x01;  // start bit
    data[1] = 0x20;  // MSB first bit

    if (single) {
        data[1] |= 0x80;  // single read | differential
    }

    if (channel) {
        data[1] |= (channel << 6);  // channel = 0 or 1;
    }

    return 3;
}

MCP3202::MCP3202(SPI& spi) : MCP3X0X(spi) {
    _channels = 2;
    _maxValue = 4095;
}