[MTX-5302] MTR3 R.7.0: Serial IP functionality support GP-2336

4 files changed, 171 insertions, 60 deletions

diff --git a/include/Device/Device.h b/include/Device/Device.h
index bcf0cff..a1c0b1b 100644
--- a/include/Device/Device.h
+++ b/include/Device/Device.h
@@ -23,8 +23,6 @@ class Device {
     static std::map<std::string, bool> capabilityList;
     static std::map<std::string, std::string> ethSwitchList;
     static std::map<std::string, std::string> deviceInfoList;
-    static std::vector<std::string> dInputs;
-    static std::vector<std::string> dOutputs;
 
     static const std::regex apFilters;
     static const std::regex serialModeFilter;
@@ -33,6 +31,8 @@ class Device {
     static const std::regex mtcdt3HwVersionFilters;
     static const std::regex iotRtrVersionFilters;
     static const std::regex mtrFilters;
+    static std::string extIoStr;
+    static std::string serialStr;
 
     const unsigned int accessoryCardsListSize = 7;
 
@@ -150,6 +150,18 @@ class Device {
 
     std::vector<std::unique_ptr<AccessoryCard>> accessoryCardsList;
 
+    const std::string SERIAL_MODE = "mode";
+    const std::string SERIAL_TERMINATION = "rs4xx-term-res";
+    const std::string SERIAL_MODE_RS232 = "rs232";
+    const std::string SERIAL_MODE_RS485 = "rs485-half";
+    const std::map<std::string, uint32_t> mModes = {{SERIAL_MODE_RS232, 0}, {SERIAL_MODE_RS485, 0}};
+
+    const std::string CONTROL_PIN_SERIAL_MODE = "MXC2_RS485_EN";
+    const std::string CONTROL_PIN_TERMINATION = "MXC2_RS485_TERM_EN";
+    const std::string HW_VERSION_FILE = "/sys/devices/platform/mts-io/hw-version";
+    std::string program_name;
+    std::string hw_version;
+
   public:
     Device();
     void getSystemTreeJson(const char *dir_name);
@@ -169,7 +181,7 @@ class Device {
                   std::vector<std::string> &results);
     void printJson();
     void printVersion(std::string name);
-    void printUsage(std::string program);
+    void printUsage();
     void show(std::string program);
     void showTrigger(std::string name);
     void sortAccessoryCards();
@@ -181,6 +193,11 @@ class Device {
     void writeJson(const rapidjson::Document &json, const std::string &file);
     bool readJson(rapidjson::Document &json, const std::string &file);
     void simpleError(std::string msg, int error, int exitval);
+    void setSerialModesMTR3(const std::string &mode, const std::string &value);
+    void showSerialModesMTR3(const std::string &mode);
+    int getPinValue(const std::string &name);
+    void setProgramName(const std::string &name);
+    void setHWVersion();
 };
 
 #endif /* DEVICE_H_ */
diff --git a/include/General.h b/include/General.h
index 4429b3d..58c2a09 100644
--- a/include/General.h
+++ b/include/General.h
@@ -76,6 +76,7 @@ typedef unsigned int uint; // 32 bit - even on 64 bit machines
 #define KEY_EXTIO "extIo"
 #define KEY_DOUTPUTS "dOutputs"
 #define KEY_DINPUTS "dInputs"
+#define KEY_SERIALS "serialPorts"
 
 enum HardwareType {
     HARDWARE_MTCDT,
diff --git a/src/Device/Device.cpp b/src/Device/Device.cpp
index b2588eb..be198f1 100644
--- a/src/Device/Device.cpp
+++ b/src/Device/Device.cpp
@@ -42,16 +42,12 @@ std::map<std::string, bool> Device::capabilityList = {
     {"cell", false},
     {"din", false},
     {"dout", false},
-    {"externalSerialPort", false},
     {"gpio", false},
     {"gps", false},
     {"lora", false},
     {"loraLbt", false},
     {"loraNetworkServer", false},
     {"nodeRed", false},
-    {"rs232", false},
-    {"rs422", false},
-    {"rs485", false},
     {"serial", false},
     {"supercap", false},
     {"wifi", false},
@@ -60,8 +56,8 @@ std::map<std::string, bool> Device::capabilityList = {
     {"userDataEncryption", false}};
 
 std::map<std::string, std::string> Device::ethSwitchList;
-std::vector<std::string> Device::dInputs;
-std::vector<std::string> Device::dOutputs;
+std::string Device::extIoStr;
+std::string Device::serialStr;
 
 std::map<std::string, std::string> Device::deviceInfoList = {
     {"deviceId", ""},
@@ -179,19 +175,33 @@ void Device::getSystemTreeJson(const char *dir_name) {
                 } else if (strcmp(d_name, "hw-version") == 0) {
                     deviceInfoList["hardwareVersion"] = fileData;
                     if (regex_match(fileData, mtcdt3HwVersionFilters)) {
-                        capabilityList["rs232"] = true;
-                        capabilityList["rs422"] = true;
-                        capabilityList["rs485"] = true;
                         capabilityList["serial"] = true;
                     }
                     if (regex_match(fileData, iotRtrVersionFilters)) {
+                        mapMacAddress2Iotr();
                         /*
                         The order of the elements is important! This array is used to access Digital IOs,
                         in particular in SMS commands!
                         */
-                        dInputs.push_back("USER_DIO_IN");
-                        dOutputs.push_back("USER_DIO_OUT");
-                        mapMacAddress2Iotr();
+                        extIoStr = "{\"dInputs\":[\"USER_DIO_IN\"],\"dOutputs\":[\"USER_DIO_OUT\"]}";
+                        capabilityList["serial"] = true;
+                        serialStr = "[{"
+                                        "\"available\": true,"
+                                        "\"id\": \"serial0\","
+                                        "\"name\": \"RS232\","
+                                        "\"device\": \"/dev/ttymxc1\","
+                                        "\"role\": \"DCE\","
+                                        "\"modes\": {\"RS-232\": [\"hw-flowcontrol\", \"dcd-dtr\"]},"
+                                        "\"speed\": [9600, 19200, 38400, 57600, 115200]"
+                                     "},{"
+                                        "\"available\": true,"
+                                        "\"id\": \"serial1\","
+                                        "\"name\": \"RS232/485\","
+                                        "\"device\": \"/dev/ttymxc2\","
+                                        "\"role\": \"DCE\","
+                                        "\"modes\": {\"RS-232\": [\"hw-flowcontrol\"], \"RS-485-HALF\": [\"rs4xx-termination\"]},"
+                                        "\"speed\": [9600, 19200, 38400, 57600, 115200, 230400, 460800, 930600]"
+                                     "}]";
                     }
                 } else if (strcmp(d_name, "mac-eth") == 0) {
                     deviceInfoList["macAddress"] = fileData;
@@ -318,28 +328,14 @@ void Device::load() {
     deviceInfo.AddMember("capabilities", capabilities, alloc);
     deviceInfo.AddMember("ethSwitch", ethSwitch, alloc);
     deviceInfo.AddMember("accessoryCards", accessoryCards, alloc);
-    rapidjson::Document inp;
-    auto &inpAlloc = inp.GetAllocator();
-    inp.SetArray();
-    for (const auto &input : dInputs) {
-        rapidjson::Value value;
-        value.SetString(input.c_str(), input.length(), inpAlloc);
-        inp.PushBack(value, inpAlloc);
-    }
-    rapidjson::Document out;
-    auto &outAlloc = out.GetAllocator();
-    out.SetArray();
-    for (const auto &output : dOutputs) {
-        rapidjson::Value value;
-        value.SetString(output.c_str(), output.length(), outAlloc);
-        out.PushBack(value, outAlloc);
-    }
     rapidjson::Document extIo;
-    extIo.SetObject();
+    extIo.Parse<0>(extIoStr.c_str());
     auto &extAlloc = extIo.GetAllocator();
-    extIo.AddMember(KEY_DINPUTS, inp, extAlloc);
-    extIo.AddMember(KEY_DOUTPUTS, out, extAlloc);
     deviceInfo.AddMember(KEY_EXTIO, extIo, extAlloc);
+    rapidjson::Document serial;
+    serial.Parse<0>(serialStr.c_str());
+    auto &serAlloc = serial.GetAllocator();
+    deviceInfo.AddMember(KEY_SERIALS, serial, serAlloc);
 }
 
 void Device::mapFileToCapability() {
@@ -350,10 +346,6 @@ void Device::mapFileToCapability() {
         S_IFREG) { /* lora-network-server is a regular file */
         capabilityList["loraNetworkServer"] = true;
     }
-    if (fileType("/dev/ext_serial") ==
-        S_IFCHR) { /* ext_serial is a character device */
-        capabilityList["externalSerialPort"] = true;
-    }
     if (fileType("/usr/bin/dockerd") ==
         S_IFREG) { /* Docker is a regular file */
         capabilityList["docker"] = true;
@@ -450,9 +442,10 @@ void Device::printVersion(std::string name) {
     exitHandler(0);
 }
 
-void Device::printUsage(std::string program) {
+
+void Device::printUsage() {
     std::vector<std::string> showResults;
-    printf("Usage: %s [ OPTIONS ] OBJECT [--] [ ARGUMENTS ]\n", program.c_str());
+    printf("Usage: %s [ OPTIONS ] OBJECT [--] [ ARGUMENTS ]\n", program_name.c_str());
     printf("Legacy OBJECT options:\n");
     printf("   init                : init & make device info json\n");
     printf("   json                : init & make device info json\n");
@@ -489,7 +482,7 @@ void Device::printUsage(std::string program) {
     printf("\n");
     printf("show-name:\n");
     printf("Usage:\n");
-    printf("--show-name <name>\n");
+    printf("--show <name>\n");
     printDir("", showResults);
     sort(showResults.begin(),
          showResults.end()); // Unix file tree is not sorted
@@ -498,10 +491,15 @@ void Device::printUsage(std::string program) {
         if (!regex_match(showResult, showFilters))
             printf("          %s\n", showResult.c_str());
     }
+    if (regex_match(hw_version, iotRtrVersionFilters)) {
+        printf("          serial1/%s\n", SERIAL_TERMINATION.c_str());
+        printf("          serial1/%s\n", SERIAL_MODE.c_str());
+        printf("}\n");
+    }
     printf("\n");
     printf("store-name:\n");
     printf("Usage:\n");
-    printf("--store-name <name> <value>\n");
+    printf("--store <name> <value>\n");
     for (std::string showResult : showResults) {
         if (showResult == "radio-reset") {
             printf("          %s { 0 }\n", showResult.c_str());
@@ -512,14 +510,23 @@ void Device::printUsage(std::string program) {
         } else if (showResult == "reset-monitor-intervals") {
             printf("          %s { short-interval long-interval }\n",
                    showResult.c_str());
-        } else if (regex_match(showResult, serialModeFilter)) {
-            printf("          %s { loopback | rs232 | rs485-half | "
-                   "rs422-485-full }\n",
-                   showResult.c_str());
         } else if (!regex_match(showResult, storeFilters)) {
             printf("          %s BOOLEAN\n", showResult.c_str());
         }
     }
+    if (regex_match(hw_version, iotRtrVersionFilters)) {
+        printf("          serial1/%s { 0 | 1 }\n", SERIAL_TERMINATION.c_str());
+        printf("          serial1/%s {", SERIAL_MODE.c_str());
+        unsigned int c = 1;
+        for (auto const &m : mModes) {
+            printf(" %s ", m.first.c_str());
+            if (c != mModes.size()) {
+                printf("|");
+            }
+            c++;
+        };
+        printf("}\n");
+    }
     printf("\n");
     exitHandler(0);
 }
@@ -697,7 +704,8 @@ unsigned int Device::gpio_request::offset()
  * driver. GPIOs can only be zero
  * or one, never a text string.
  */
-void Device::show(std::string name) {
+
+int Device::getPinValue(const std::string &name) {
     std::string fileData;
     if(isupper(name[0])) {
         gpio_request gr(this, name);
@@ -705,10 +713,9 @@ void Device::show(std::string name) {
             enum gpiod_line_value lv = gpiod_line_request_get_value(gr.request(),gr.offset());
             if(lv != GPIOD_LINE_VALUE_ERROR) {
                 if(lv == GPIOD_LINE_VALUE_INACTIVE)
-                    std::cout << "0\n";
+                    return 0;
                 else
-                    std::cout << "1\n";
-                exitHandler(0);
+                    return 1;
             } else
                 simpleError("Invalid GPIO line value", errno, 109);
         }
@@ -716,12 +723,24 @@ void Device::show(std::string name) {
 
     int32_t code = MTS::System::readFile(SYSFS_PLATFORM + name, fileData);
     if (code == 0) {
-        printf("%s", fileData.c_str());
-        exitHandler(0);
+        if (fileData == "1") {
+            return 1;
+        } else {
+            return 0;
+        }
     }
     printError("cat: can't open %s%s: %s",
         SYSFS_PLATFORM, name.c_str(),strerror(errno));
     exitHandler(99);
+    return 99; // never be returned
+}
+
+void Device::show(std::string name) {
+    if (regex_match(hw_version, iotRtrVersionFilters)) {
+        showSerialModesMTR3(name);
+    }
+    printf("%i", getPinValue(name));
+    exitHandler(0);
 }  // End of show
 
 void Device::showTrigger(std::string name) {
@@ -745,7 +764,9 @@ void Device::store(std::string name, std::string value) {
     }
 
     printDebug("Setting %s to %s", name.c_str(), value.c_str());
-
+    if (regex_match(hw_version, iotRtrVersionFilters)) {
+        setSerialModesMTR3(name, value);
+    }
     if(isupper(name[0])) {
         enum gpiod_line_value lv = GPIOD_LINE_VALUE_ERROR;
 
@@ -872,3 +893,72 @@ void Device::storeOutputStateToNonvolatile(const std::string& name, const std::s
     }
     writeJson(stateIo, STORED_DIGITAL_OUTPUTS_STATE_FILE);
 }
+
+void Device::setSerialModesMTR3(const std::string &parameter, const std::string &value) {
+    std::vector<std::string> parts = MTS::Text::split(parameter, '/');
+    if (parts.size() < 2) {
+        return;
+    }
+    const std::string &serialName = parts[0];
+    const std::string &mode = parts[1];
+    if (serialName != "serial1") {
+        printUsage();
+    }
+    if ((mode != SERIAL_MODE) && (mode != SERIAL_TERMINATION)) {
+        printUsage();
+    }
+    if (mode == SERIAL_MODE) {
+        if ((value != SERIAL_MODE_RS232) && (value != SERIAL_MODE_RS485)) {
+            printUsage();
+        }
+        if (value == SERIAL_MODE_RS232) {
+            store(CONTROL_PIN_SERIAL_MODE, "0");
+        }
+        if (value == SERIAL_MODE_RS485) {
+            store(CONTROL_PIN_SERIAL_MODE, "1");
+        }
+        exitHandler(0);
+    } else if (mode == SERIAL_TERMINATION) {
+        store(CONTROL_PIN_TERMINATION, value);
+        exitHandler(0);
+    }
+}
+
+void Device::showSerialModesMTR3(const std::string &parameter) {
+    std::vector<std::string> parts = MTS::Text::split(parameter, '/');
+    if (parts.size() < 2) {
+        return;
+    }
+    const std::string &serialName = parts[0];
+    const std::string &mode = parts[1];
+    if (serialName != "serial1") {
+        printUsage();
+    }
+    if ((mode != SERIAL_MODE) && (mode != SERIAL_TERMINATION)) {
+        printUsage();
+    }
+    if (mode == SERIAL_MODE) {
+        if (getPinValue(CONTROL_PIN_SERIAL_MODE) == 1) {
+            std::cout << SERIAL_MODE_RS485 << std::endl;
+        } else {
+            std::cout << SERIAL_MODE_RS232 << std::endl;
+        }
+        exitHandler(0);
+    } else if (mode == SERIAL_TERMINATION) {
+        std::cout << getPinValue(CONTROL_PIN_TERMINATION) << std::endl;
+        exitHandler(0);
+    }
+}
+
+void Device::setProgramName(const std::string &name){
+    program_name = name;
+}
+
+void Device::setHWVersion(){
+    std::ifstream is(HW_VERSION_FILE);
+    if (!is.is_open()) {
+        printDebug("Can't read to %s: %s", HW_VERSION_FILE, strerror(errno));
+        return;
+    }
+    std::getline(is, hw_version);
+}
\ No newline at end of file
diff --git a/src/MtsIoSysfs.cpp b/src/MtsIoSysfs.cpp
index ab68c8c..20e2925 100644
--- a/src/MtsIoSysfs.cpp
+++ b/src/MtsIoSysfs.cpp
@@ -44,10 +44,9 @@ static enum action_code action;
 
 int main(int argc, char **argv) {
     Device m;
+    m.setProgramName(argv[0]);
     action = ACTION_NONE;
-    if (argc < 2) {
-        m.printUsage(argv[0]);
-    }
+
     std::string fpgaFilePath = "";
     std::string forcedAP = "";
     std::string name = "";
@@ -55,6 +54,10 @@ int main(int argc, char **argv) {
     int duration = 0;
 
     MTS::Logger::setPrintLevel(MTS::Logger::PrintLevel::INFO_LEVEL, true);
+    m.setHWVersion();
+    if (argc < 2) {
+        m.printUsage();
+    }
     int c;
     static struct option long_options[] = {
         {"help", no_argument, nullptr, 'h'},
@@ -148,11 +151,11 @@ int main(int argc, char **argv) {
             exit(-1);
         }
         case 'h': {
-            m.printUsage(argv[0]);
+            m.printUsage();
             exit(0);
         }
         default:
-            m.printUsage(argv[0]);
+            m.printUsage();
             exit(-1);
         }
     }
@@ -213,7 +216,7 @@ int main(int argc, char **argv) {
 
     switch (action) {
     case ACTION_NONE: {
-        m.printUsage(argv[0]);
+        m.printUsage();
     }
     case ACTION_SHOW: {
         m.show(name);
@@ -251,7 +254,7 @@ int main(int argc, char **argv) {
     case ACTION_VERSION: {
         m.printVersion(argv[0]);
     }
-    default: { m.printUsage(argv[0]); }
+    default: { m.printUsage(); }
     }
 
     return 0;