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I2C: Network support

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This commit is contained in:
Kyle Johannes
2022-10-18 00:12:16 +00:00
parent 13ec2bca98
commit 9817887523
12 changed files with 328 additions and 3 deletions
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test/i2cencoderdecodertest.cpp
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#include "icsneo/icsneocpp.h"
#include "icsneo/communication/encoder.h"
#include "icsneo/communication/packet/i2cpacket.h"
#include "icsneo/communication/message/i2cmessage.h"
#include "icsneo/communication/packetizer.h"
#include "icsneo/api/eventmanager.h"
#include "gtest/gtest.h"
#include <vector>
using namespace icsneo;
class I2CEncoderDecoderTest : public ::testing::Test {
protected:
void SetUp() override {
report = [](APIEvent::Type, APIEvent::Severity) {
// Unless caught by the test, the packetizer should not throw errors
EXPECT_TRUE(false);
};
packetizer.emplace([this](APIEvent::Type t, APIEvent::Severity s) {
report(t, s);
});
packetEncoder.emplace([this](APIEvent::Type t, APIEvent::Severity s) {
report(t, s);
});
packetDecoder.emplace([this](APIEvent::Type t, APIEvent::Severity s) {
report(t, s);
});
}
device_eventhandler_t report;
std::optional<Encoder> packetEncoder;
std::optional<Packetizer> packetizer;
std::optional<Decoder> packetDecoder;
//Read request to the device
//Control length 1, control bytes 0x12 (I2C register to read from)
//data length 1: blank bytes padded in that the device will fill in the reply
std::vector<uint8_t> testBytes =
{0xaa, 0x0c, 0x11, 0x00, 0x58, 0x00, 0x01, 0x00,
0x01, 0x00, 0x00, 0x01, 0x68, 0x10, 0x12, 0x00};
std::vector<uint8_t> recvBytes =
{0xaa, 0x0c, 0x24,0x00, 0x58, 0x00, 0x68, 0x18,
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x97, 0x29,
0xe6, 0xfb, 0xc1, 0xfc, 0xb0, 0x80, 0x35, 0x00,
0x02, 0x00, 0x12, 0x80};
};
TEST_F(I2CEncoderDecoderTest, PacketEncoderTest) {
std::vector<uint8_t> bytestream;
auto message = std::make_shared<icsneo::I2CMessage>();
message->network = icsneo::Network::NetID::I2C;
message->controlBytes.push_back(static_cast<uint8_t>(0x12u)); //Product ID register address
message->dataBytes.push_back(static_cast<uint8_t>(0x00u));
message->address = 0x68u; //7 bit addressing, BASE_ADDR
message->stats = static_cast<uint16_t>(0x0001u);
message->direction = I2CMessage::Direction::Read;
message->isTXMsg = true;
packetEncoder->encode(*packetizer, bytestream, message);
EXPECT_EQ(bytestream, testBytes);
}
TEST_F(I2CEncoderDecoderTest, PacketDecoderTest) {
std::shared_ptr<icsneo::Message> decodeMsg;
std::shared_ptr<icsneo::I2CMessage> message = std::make_shared<icsneo::I2CMessage>();
message->network = icsneo::Network::NetID::I2C;
message->controlBytes.push_back(static_cast<uint8_t>(0x12u)); //Product ID register address
message->dataBytes.push_back(static_cast<uint8_t>(0x80u));
message->address = 0x68u; //7 bit addressing, BASE_ADDR
message->stats = static_cast<uint16_t>(0x0002u);
message->direction = I2CMessage::Direction::Read;
message->deviceMode = I2CMessage::DeviceMode::Controller;
message->isTXMsg = true;
message->timestamp = static_cast<uint64_t>(0xB0FCC1FBE62997);
EXPECT_TRUE(packetizer->input(recvBytes));
auto packets = packetizer->output();
if(packets.empty()) { EXPECT_TRUE(false); }
EXPECT_TRUE(packetDecoder->decode(decodeMsg, packets.back()));
auto testMessage = std::dynamic_pointer_cast<icsneo::I2CMessage>(decodeMsg);
EXPECT_EQ(message->network, testMessage->network);
EXPECT_EQ(message->controlBytes, testMessage->controlBytes);
EXPECT_EQ(message->dataBytes, testMessage->dataBytes);
EXPECT_EQ(message->address, testMessage->address);
EXPECT_EQ(message->stats, testMessage->stats);
EXPECT_EQ(message->direction, testMessage->direction);
EXPECT_EQ(message->deviceMode, testMessage->deviceMode);
EXPECT_EQ(message->isTXMsg, testMessage->isTXMsg);
EXPECT_EQ(message->timestamp, testMessage->timestamp);
}