Function executeCmd8

source/devices/memory/SdCardSpiBased.cpp:779–786

 */

std::tuple<int, uint8_t, bool> executeCmd8(const SpiMasterHandle& spiMasterHandle)
{
	constexpr uint8_t supplyVoltage {1};	// 2.7 - 3.6 V
	constexpr uint8_t checkPattern {0xaa};
	const auto ret = writeCmdReadR7(spiMasterHandle, 8, supplyVoltage << 8 | checkPattern, 0x43);
	const auto match = ret.second.checkPattern == checkPattern && ret.second.voltageAccepted == supplyVoltage;
	return std::make_tuple(ret.first, ret.second.r1, match);
}

/**
 * \brief Executes CMD9 command on SD card connected via SPI.