added C examples

Signed-off-by: Karel Hanák <karel.hanak@iqrf.org>

console/CMakeLists.txt

+cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
+
+project("IQRF console")
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+
+add_subdirectory(cpp)
+add_subdirectory(utility)
+
+add_executable(console console.c)
+
+target_link_libraries(console cpp utility)

console/cmake/FindJSON-C.cmake

+# JSON-C_FOUND - true if library and headers were found
+# JSON-C_INCLUDE_DIRS - include directories
+# JSON-C_LIBRARIES - library directories
+
+find_package(PkgConfig)
+pkg_check_modules(PC_JSON-C QUIET json-c)
+
+find_path(JSON-C_INCLUDE_DIR json.h
+	HINTS ${PC_JSON-C_INCLUDEDIR} ${PC_JSON-C_INCLUDE_DIRS} PATH_SUFFIXES json-c json)
+
+find_library(JSON-C_LIBRARY NAMES json-c libjson-c
+	HINTS ${PC_JSON-C_LIBDIR} ${PC_JSON-C_LIBRARY_DIRS})
+
+set(JSON-C_LIBRARIES ${JSON-C_LIBRARY})
+set(JSON-C_INCLUDE_DIRS ${JSON-C_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args(JSON-C DEFAULT_MSG JSON-C_LIBRARY JSON-C_INCLUDE_DIR)
+
+mark_as_advanced(JSON-C_INCLUDE_DIR JSON-C_LIBRARY)

console/console.c

+/*
+ * Console.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <time.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "ccp_commands.h"
+#include "utility.h"
+#include "Console.h"
+
+#include "DPA.h"
+
+/* data types */
+typedef struct {                        // command decode table item structure
+    char  Com[16];
+    void  (*Func)(__uint16_t);
+    __uint16_t  Param;
+} COM;
+
+/* function prototypes */
+void ccp_find_command(char *CommandString);
+int ccp_read_substring(int *StartPos, char *DestinationString, char *SourceString);
+void ccp_exit_cmd(__uint16_t CommandParameter);
+void sys_msg_printer(__uint16_t CommandParameter);
+int chkin_select(void);
+
+/* global variables */
+const COM Commands[] = {        // command decode table
+    {"bond", ccp_coordinator_cmd, 0},
+    {"unbondc", ccp_coordinator_cmd, CMD_COORDINATOR_REMOVE_BOND},
+    {"discovery", ccp_coordinator_cmd, CMD_COORDINATOR_DISCOVERY},
+    {"ledr", ccp_leds_cmd, PNUM_LEDR},
+    {"ledg", ccp_leds_cmd, PNUM_LEDG},
+    {"unbondn", ccp_node_cmd, 0},
+    {"osreset", ccp_os_cmd, CMD_OS_RESET},
+    {"osrestart", ccp_os_cmd, CMD_OS_RESTART},
+    {"osinfo", ccp_os_cmd, CMD_OS_READ},
+    {"exit", ccp_exit_cmd, 0},
+};
+
+#define NUM_OF_SYSTEM_MSG   17
+#define SIZE_OF_SYSTEM_MSG  26
+
+const char SystemMsg[NUM_OF_SYSTEM_MSG][SIZE_OF_SYSTEM_MSG] = {       // error messages
+    "Command not found        ",   /* 0 */
+    "Done !!!                 ",   /* 1 */
+    "SD card operation ERROR  ",   /* 2 */
+    "Uploading ....           ",   /* 3 */
+    "Bad command parameter    ",   /* 4 */
+    "File not found           ",   /* 5 */
+    "Directory not found      ",   /* 6 */
+    "Sending request          ",   /* 7 */
+    "Confirmation OK          ",   /* 8 */
+    "Confirmation ERROR       ",   /* 9 */
+    "Response OK              ",   /* 10 */
+    "Response ERROR           ",   /* 11 */
+    "Command timeout          ",   /* 12 */
+    "Code stored successfully ",   /* 13 */
+    "Code store ERROR         ",   /* 14 */
+    "TR module not ready      ",   /* 15 */
+    "Configuration file ERROR ",   /* 16 */
+};
+
+char InLine[BUFF];
+int InLinePosition;
+void (*run_func)(__uint16_t);                   // pointer to command service function
+__uint16_t Parameter;                           // command service function parameter
+int ExitCmd;
+
+int main(int argc, char *argv[])
+{
+    char MyString[BUFF];
+    int SubstringSize;
+    int ErrFlag = 0;
+
+    if ( argc != 7 ) {/* argc should be 7 for correct execution */
+         printf( "\nWrong parameters\n");
+         printf( "Use: ./Console -h MqttHostIp:port -pt MqttPublishTopic -st MqttSubscribeTopic\n\n");
+         return(-1);
+    }
+
+    if (strcmp(argv[1], "-h") == 0 && strlen(argv[2]) < sizeof(HostIp)) {
+         strcpy(HostIp, argv[2]);
+    } else {
+        ErrFlag = 1;
+    }
+
+    if (strcmp(argv[3], "-pt") == 0 && strlen(argv[4]) < sizeof(PTopic)) {
+         strcpy(PTopic, argv[4]);
+    } else {
+        ErrFlag = 1;
+    }
+
+    if (strcmp(argv[5], "-st") == 0 && strlen(argv[6]) < sizeof(STopic)) {
+         strcpy(STopic, argv[6]);
+    } else {
+        ErrFlag = 1;
+    }
+
+    if (ErrFlag == 1) {
+         printf( "Wrong parameter.\n\r");
+         return(-2);
+    }
+
+    ExitCmd = 0;
+
+    while(1)
+    {
+        printf("cmd> ");
+        fflush(stdout);
+
+        while(!chkin_select()) {
+            usleep(100000);
+        }
+        fgets(InLine, BUFF, stdin);
+
+        InLinePosition = 0;
+        SubstringSize = ccp_read_substring(&InLinePosition, MyString, InLine);
+        if (SubstringSize != 0) {
+            ccp_find_command(MyString);
+            run_func(Parameter);
+            if (ExitCmd)
+                break;
+        } else {
+            continue;
+        }
+    }
+
+    return EXIT_SUCCESS;
+}
+
+
+/**
+ * find command in command table
+ *   - set pointer to command service function
+ *   - initialize parameter of command service function
+ */
+
+void ccp_find_command(char *CommandString)
+{
+    __uint8_t CSel;
+
+    for (CSel=0; CSel<(sizeof(Commands)/sizeof(COM)); CSel++) {   // compare input buffer with existing command patterns
+        if (strcmp(Commands[CSel].Com, CommandString) == 0) {
+            run_func = Commands[CSel].Func;                      // initialize pointer to function to run
+            Parameter = Commands[CSel].Param;                    // initialize function parameter
+            return;
+        }
+    }
+
+    run_func = sys_msg_printer;                                     // in case of error, run error service function
+    Parameter = CCP_COMMAND_NOT_FOUND;
+}
+
+/**
+ * find string in SourceSting buffer from StartPos position
+ * @param StartPos pointer to variable defining starting position to search substring in SourceString buffer
+ * @param DestinationString pointer to string where substring going to be placed
+ * @param SourceString pointer to string where substring is looking for
+ * @return size of DestinationString string / 0 = no substring found
+ */
+int ccp_read_substring(int *StartPos, char *DestinationString, char *SourceString)
+{
+    int  TempCnt = 0;
+    char  TempChar;
+
+    InLine[BUFF-1] = 0;
+
+    do {
+        TempChar = SourceString[*StartPos];
+        if (TempChar == ' ') (*StartPos)++;
+    } while (TempChar == ' ');
+
+    if (TempChar == 0) {
+        DestinationString[0] = 0;
+        return(0);
+    }
+
+    do {
+        TempChar = SourceString[(*StartPos)++];
+        DestinationString[TempCnt++] = TempChar;
+    } while(TempChar!=' ' && TempChar!=0x0A && TempChar!=0 && *StartPos<BUFF && TempCnt<BUFF);
+
+    DestinationString[--TempCnt] = 0;
+    (*StartPos)--;
+    return(TempCnt);
+}
+
+/**
+ * exit console
+ * @param CommandParameter
+ * @return none
+ */
+void ccp_exit_cmd(__uint16_t CommandParameter)
+{
+    puts("Bye ...");
+    ExitCmd = 1;
+}
+
+/**
+ * print selected system MSG
+ * @param CommandParameter - number of system MSG
+ * @return none
+ */
+void sys_msg_printer(__uint16_t CommandParameter)
+{
+    if (CommandParameter < NUM_OF_SYSTEM_MSG) {
+        puts(&SystemMsg[CommandParameter][0]);
+    }
+}
+
+/*
+   select() and pselect() allow a program to monitor multiple file
+   descriptors, waiting until one or more of the file descriptors become
+   "ready" for some class of I/O operation (e.g., input possible).  A
+   file descriptor is considered ready if it is possible to perform a
+   corresponding I/O operation (e.g., read(2) without blocking, or a
+   sufficiently small write(2)).
+ */
+int chkin_select(void)
+{
+    fd_set rd;
+    struct timeval tv={0};
+    int ret;
+
+    FD_ZERO(&rd);
+    FD_SET(STDIN_FILENO, &rd);
+    ret=select(1, &rd, NULL, NULL, &tv);
+
+    return (ret>0);
+}

console/console.h

+/*
+ * Console.h
+ *
+ *  Created on: Jul 21, 2019
+ *      Author: dudo
+ */
+
+#ifndef CONSOLE_H_
+#define CONSOLE_H_
+
+#define CCP_COMMAND_NOT_FOUND     0
+#define CCP_DONE                  1
+#define CCP_SD_CARD_ERR           2
+#define CCP_UPLOADING             3
+#define CCP_BAD_PARAMETER         4
+#define CCP_FILE_NOT_FOUND        5
+#define CCP_DIR_NOT_FOUND         6
+#define CCP_SENDING_REQUEST       7
+#define CCP_CONFIRMATION_OK       8
+#define CCP_CONFIRMATION_ERR      9
+#define CCP_RESPONSE_OK           10
+#define CCP_RESPONSE_ERR          11
+#define CCP_COMMAND_TIMEOUT       12
+#define CCP_CODE_STORED           13
+#define CCP_CODE_STORE_ERR        14
+#define CCP_TR_NOT_READY          15
+#define CCP_CONFIG_FILE_ERR       16
+
+#define BUFF 256
+
+extern char InLine[BUFF];
+extern int InLinePosition;
+
+int ccp_read_substring(int *StartPos, char *DestinationString, char *SourceString);
+void sys_msg_printer(__uint16_t CommandParameter);
+
+#endif /* CONSOLE_H_ */

console/cpp/CMakeLists.txt

+add_library(cpp ccp_coordinator_cmd.c
+		ccp_leds_cmd.c
+		ccp_node_cmd.c
+		ccp_os_cmd.c
+)

console/cpp/ccp_commands.h

+/*
+ * ccp_commands.h
+ */
+
+#ifndef CCP_COMMANDS_H_
+#define CCP_COMMANDS_H_
+
+void ccp_leds_cmd (__uint16_t CommandParameter);
+void ccp_coordinator_cmd (__uint16_t CommandParameter);
+void ccp_node_cmd (__uint16_t CommandParameter);
+void ccp_os_cmd (__uint16_t CommandParameter);
+
+#endif /* CCP_COMMANDS_H_ */

console/cpp/ccp_coordinator_cmd.c

+/*
+ * ccp_coordinator_cmd.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+#include <assert.h>
+#include "json.h"
+
+#include "utility.h"
+#include "Console.h"
+
+void print_disc_bond_info(T_DPA_PACKET *DpaPacket);
+
+/**
+ * print result of discovery get or bond get commands
+ */
+void print_disc_bond_info(T_DPA_PACKET *DpaPacket)
+{
+    __uint16_t Mask;
+    __uint16_t Data;
+    int X, Y;
+
+    printf("    0 1 2 3 4 5 6 7 8 9 A B C D E F\n");
+
+    for (X=0; X<16; X++) {
+        Mask = 0x0001;
+        Data = ((uint16_t)DpaPacket->DpaMessage.Response.PData[2*X+1]<<8) | DpaPacket->DpaMessage.Response.PData[2*X];
+        printf("%X - ", X);
+        for (Y=0; Y<16; Y++) {
+            if (Data & Mask)
+                printf("x ");
+            else
+                printf(". ");
+            Mask <<= 1;
+        }
+        printf("\n");
+    }
+    printf("\n");
+}
+
+void ccp_coordinator_cmd (__uint16_t CommandParameter)
+{
+    T_DPA_PACKET MyDpaPacket;
+    int ParameterSize;
+    char ParameterString[64];
+
+    json_object *IqrfRqMsg = NULL;
+    json_object *IqrfRsMsg = NULL;
+
+    int ReqAddr = 0;
+    int TxPower = 7;
+    int MaxAddr = 32;
+    int BondingMask = 0xFF;
+    int ErrFlag = 0;
+
+    // DPA header
+    MyDpaPacket.NADR = COORDINATOR_ADDRESS;
+    MyDpaPacket.PNUM = PNUM_COORDINATOR;
+    MyDpaPacket.HWPID = HWPID_DoNotCheck;
+    MyDpaPacket.PCMD = 0xFF;                                       // dummy command
+
+    switch(CommandParameter) {
+
+    case CMD_COORDINATOR_REMOVE_BOND:
+        MyDpaPacket.PCMD = CommandParameter;                       // set peripheral cmd
+        ParameterSize = ccp_read_substring(&InLinePosition, ParameterString, InLine);
+        if (ParameterSize)                                         // is any command parameter ?
+            ReqAddr = atoi(ParameterString);                       // read command parameter
+
+        if (ReqAddr == 0 || ReqAddr > MAX_ADDRESS) {               // bad parameter
+            sys_msg_printer(CCP_BAD_PARAMETER);                    // if bad parameter, print error message
+        } else {
+            MyDpaPacket.DpaMessage.PerCoordinatorRemoveRebondBond_Request.BondAddr = ReqAddr;
+            IqrfRqMsg = create_json_msg(&MyDpaPacket, sizeof(TPerCoordinatorRemoveRebondBond_Request), 2000);
+            IqrfRsMsg = send_json_msg(IqrfRqMsg);
+            if (IqrfRsMsg != NULL) {
+                decode_json_msg(&MyDpaPacket, IqrfRsMsg);
+                printf("Number of bonded nodes = %d\n", MyDpaPacket.DpaMessage.PerCoordinatorRemoveRebondBond_Response.DevNr);
+            }
+        }
+        break;
+
+    case CMD_COORDINATOR_DISCOVERY:
+        // read first command parameter
+        ParameterSize = ccp_read_substring(&InLinePosition, ParameterString, InLine);
+        if (ParameterSize) {                                      // if exist
+            if (strcmp("get", ParameterString) == 0) {            // GET subcommand ?
+                MyDpaPacket.PCMD = CMD_COORDINATOR_DISCOVERED_DEVICES;
+                IqrfRqMsg = create_json_msg(&MyDpaPacket, 0, 5000);
+                IqrfRsMsg = send_json_msg(IqrfRqMsg);
+                if (IqrfRsMsg != NULL) {
+                    decode_json_msg(&MyDpaPacket, IqrfRsMsg);
+                    print_disc_bond_info(&MyDpaPacket);
+                }
+            } else {                                              // TxPower & MaxAddr parameters
+                TxPower = atoi(ParameterString);                  // set TxPower
+                if (TxPower > 7)
+                    ErrFlag = 1;                                  // check max TxPower
+                // read MaxAddr
+                ParameterSize = ccp_read_substring(&InLinePosition, ParameterString, InLine);
+                if (ParameterSize) {                              // if exist
+                    MaxAddr = atoi(ParameterString);              // set MaxAddr
+                    if (MaxAddr > 239)
+                        ErrFlag = 1;                              // check MaxAddr
+                }
+            }
+        }
+
+        if (ErrFlag == 1) {
+            sys_msg_printer(CCP_BAD_PARAMETER);                    // if bad parameter, print error message
+        } else {
+            if (MyDpaPacket.PCMD == 0xFF) {                        // if command not defined
+                MyDpaPacket.PCMD = CMD_COORDINATOR_DISCOVERY;      // discovery command
+                MyDpaPacket.DpaMessage.PerCoordinatorDiscovery_Request.TxPower = TxPower;  // Command parameters
+                MyDpaPacket.DpaMessage.PerCoordinatorDiscovery_Request.MaxAddr = MaxAddr;
+
+                IqrfRqMsg = create_json_msg(&MyDpaPacket, sizeof(TPerCoordinatorDiscovery_Request), 30000);
+                IqrfRsMsg = send_json_msg(IqrfRqMsg);
+                if (IqrfRsMsg != NULL) {
+                    decode_json_msg(&MyDpaPacket, IqrfRsMsg);
+                    printf("Number of discovered nodes = %d\n", MyDpaPacket.DpaMessage.PerCoordinatorDiscovery_Response.DiscNr);
+                }
+            }
+        }
+        break;
+
+    default:
+        // read first command parameter
+        ParameterSize = ccp_read_substring(&InLinePosition, ParameterString, InLine);
+        if (ParameterSize) {                                            // if exist
+            if (strcmp("clear", ParameterString) == 0) {
+                MyDpaPacket.PCMD = CMD_COORDINATOR_CLEAR_ALL_BONDS;
+                IqrfRqMsg = create_json_msg(&MyDpaPacket, 0, 2000);
+                IqrfRsMsg = send_json_msg(IqrfRqMsg);
+                if (IqrfRsMsg != NULL) {
+                    printf("All nodes cleared successfully\n");
+                }
+            } else {
+                if (strcmp("get", ParameterString) == 0) {
+                    MyDpaPacket.PCMD = CMD_COORDINATOR_BONDED_DEVICES;
+                    IqrfRqMsg = create_json_msg(&MyDpaPacket, 0, 5000);
+                    IqrfRsMsg = send_json_msg(IqrfRqMsg);
+                    if (IqrfRsMsg != NULL) {
+                        decode_json_msg(&MyDpaPacket, IqrfRsMsg);
+                        print_disc_bond_info(&MyDpaPacket);
+                    }
+                } else {
+                    ReqAddr = atoi(ParameterString);
+                    // read bonding mask
+                    ParameterSize = ccp_read_substring(&InLinePosition, ParameterString, InLine);
+                    if (ParameterSize)                              // if exist
+                        BondingMask = atoi(ParameterString);
+                }
+            }
+        }
+
+        if (MyDpaPacket.PCMD == 0xFF) {                             // if command not defined
+            MyDpaPacket.PCMD = CMD_COORDINATOR_BOND_NODE;
+            MyDpaPacket.DpaMessage.PerCoordinatorBondNode_Request.ReqAddr = ReqAddr;   // Command parameters
+            MyDpaPacket.DpaMessage.PerCoordinatorBondNode_Request.BondingMask = BondingMask;
+
+            IqrfRqMsg = create_json_msg(&MyDpaPacket, sizeof(TPerCoordinatorBondNode_Request), 5000);
+            IqrfRsMsg = send_json_msg(IqrfRqMsg);
+            if (IqrfRsMsg != NULL) {
+                decode_json_msg(&MyDpaPacket, IqrfRsMsg);
+                printf("Bonded node address = %d\n", MyDpaPacket.DpaMessage.PerCoordinatorBondNode_Response.BondAddr);
+                printf("Number of bonded nodes = %d\n", MyDpaPacket.DpaMessage.PerCoordinatorBondNode_Response.DevNr);
+            }
+        }
+    }
+
+    if (IqrfRqMsg != NULL)                              // destroy request JSON object, if exist
+        json_object_put(IqrfRqMsg);
+    if (IqrfRsMsg != NULL)							   // destroy response JSON object, if exist
+        json_object_put(IqrfRsMsg);
+}

console/cpp/ccp_leds_cmd.c

+/*
+ * ccp_leds_cmd.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+#include <assert.h>
+#include "json.h"
+
+#include "utility.h"
+#include "Console.h"
+#include "DPA.h"
+
+void ccp_leds_cmd (__uint16_t CommandParameter)
+{
+    T_DPA_PACKET MyDpaPacket;
+    int Message = 0;
+    int ParameterSize;
+    char ParameterString[64];
+
+    json_object *IqrfRqMsg = NULL;
+    json_object *IqrfRsMsg = NULL;
+
+    // processing of command input parameters
+    // read required operation
+    ParameterSize = ccp_read_substring(&InLinePosition, ParameterString, InLine);
+
+    if (ParameterSize) {
+        if (strcmp("on", ParameterString) == 0)
+            MyDpaPacket.PCMD = CMD_LED_SET_ON;
+        else if (strcmp("off", ParameterString) == 0)
+            MyDpaPacket.PCMD = CMD_LED_SET_OFF;
+        else if (strcmp("flash", ParameterString) == 0)
+        	MyDpaPacket.PCMD = CMD_LED_PULSE; // PCMD = CMD_LED_FLASHING;
+        else if (strcmp("pulse", ParameterString) == 0)
+            MyDpaPacket.PCMD = CMD_LED_PULSE;
+        else Message = CCP_BAD_PARAMETER;
+    } else {
+        Message = CCP_BAD_PARAMETER;
+    }
+
+    // read destination address
+    ParameterSize = ccp_read_substring(&InLinePosition, ParameterString, InLine);
+    if (ParameterSize)
+        MyDpaPacket.NADR = atoi(ParameterString);           // set destination address
+    else
+        Message = CCP_BAD_PARAMETER;                        // if address not exist, print error MSG
+
+    // sending DPA request and processing response
+    if (Message) {
+        sys_msg_printer(Message);                           // command parameters ERROR
+    } else {
+        MyDpaPacket.PNUM = CommandParameter;                // select RED or GREEN led
+        MyDpaPacket.HWPID = HWPID_DoNotCheck;               // do not check HWPID
+        IqrfRqMsg = create_json_msg(&MyDpaPacket, 0, 2000);
+        IqrfRsMsg = send_json_msg(IqrfRqMsg);
+
+        if (IqrfRqMsg != NULL)                              // destroy request JSON object, if exist
+            json_object_put(IqrfRqMsg);
+        if (IqrfRsMsg != NULL)                              // destroy response JSON object, if exist
+            json_object_put(IqrfRsMsg);
+    }
+}

console/cpp/ccp_node_cmd.c

+/*
+ * ccp_node_cmd.c
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+#include <assert.h>
+#include "json.h"
+
+#include "utility.h"
+#include "Console.h"
+
+void ccp_node_cmd (__uint16_t CommandParameter)
+{
+    T_DPA_PACKET MyDpaPacket;
+    int ParameterSize;
+    char ParameterString[64];
+
+    json_object *IqrfRqMsg = NULL;
+    json_object *IqrfRsMsg = NULL;
+
+    // Send Batch command
+    MyDpaPacket.NADR = 0;
+    MyDpaPacket.PNUM = PNUM_OS;
+    MyDpaPacket.PCMD = CMD_OS_BATCH;
+    MyDpaPacket.HWPID = HWPID_DoNotCheck;
+
+    // Remove bond
+    MyDpaPacket.DpaMessage.Request.PData[0] = 5;
+    MyDpaPacket.DpaMessage.Request.PData[1] = PNUM_NODE;