Fast and Ugly solution; First commit; Tested and working.

build.sh

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+#!/bin/bash
+
+sudo gcc icsbaudset.c -licsneoc -o /usr/sbin/libicsneo-setbaud

icsbaudset.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+// Get the PRIu64 macro for timestamps
+#define __STDC_FORMAT_MACROS
+#include <inttypes.h>
+
+// Include icsneo/icsneoc.h to access library functions
+#include "icsneo/icsneoc.h"
+
+#define DEVICES_MAX 16
+
+size_t numDevices = DEVICES_MAX;
+neodevice_t devices[DEVICES_MAX];
+
+neonetid_t netid = ICSNEO_NETID_HSCAN;
+int64_t baudrate = 500000;
+int64_t fdbaudrate = 500000;
+
+const neodevice_t* selectedDevice = NULL;
+
+int main(int argc, char *argv[]) {
+   
+    if (argc != 5) {
+        printf("Please check parameters!\n\n");
+        exit(1);
+    }
+
+    if(strcmp("hscan", argv[2]) == 0) {
+        netid = ICSNEO_NETID_HSCAN;
+    }
+    else if (strcmp("hscan2", argv[2]) == 0) {
+        netid = ICSNEO_NETID_HSCAN2;
+    }
+    else {
+        printf("Please check network\n");
+        exit(1);
+    }
+    
+    baudrate = atoi(argv[3]);
+    if (baudrate < 20000 || baudrate > 1000000) {
+        printf("Please check range of reqeusted baud rate.\n");
+        exit(1);
+    }
+    fdbaudrate = atoi(argv[4]);
+    if (fdbaudrate < 20000 || fdbaudrate > 8000000) {
+        printf("Please check range of reqeusted baud rate.\n");
+        exit(1);
+    }
+
+	icsneo_findAllDevices(devices, &numDevices);
+
+    for(size_t i = 0; i < numDevices; i++) {
+
+        if(strcmp(devices[i].serial,argv[1]) == 0)
+        {
+            if(icsneo_openDevice(&devices[i])) {
+				printf("%s successfully opened!\n\n", devices[i].serial);
+            } else {
+                printf("%s failed to open!\n\n", devices[i].serial);
+                exit(1);
+            }
+
+            if(icsneo_setBaudrate(&devices[i], netid, baudrate) && icsneo_settingsApply(&devices[i])) {
+				printf("Successfully set %s baudrate for %s to %d!\n\n", argv[2],  devices[i].serial, baudrate);
+			} else {
+				printf("FAILED to set %s baudrate for %s to %d!\n\n", argv[2],  devices[i].serial, baudrate);
+                exit(1);
+			}
+
+            if(icsneo_setFDBaudrate(&devices[i], netid, fdbaudrate) && icsneo_settingsApply(&devices[i])) {
+				printf("Successfully set %s FD baudrate for %s to %d!\n\n", argv[2],  devices[i].serial, fdbaudrate);
+			} else {
+				printf("FAILED to set %s FD baudrate for %s to %d!\n\n", argv[2],  devices[i].serial, fdbaudrate);
+                exit(1);
+			}
+           
+            if(icsneo_closeDevice(&devices[i])) {
+				printf("%s successfully closed!\n\n", devices[i].serial);
+            } else {
+                printf("%s failed to close!\n\n", devices[i].serial);
+                exit(1);
+            }
+
+            exit(0);
+
+        }
+	}
+
+    printf("Something went wrong!!\n");
+    exit(1);
+}

setbaud.sh

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+#!/bin/bash
+
+sudo ip link set $1 down
+
+ARGS=$(ip link | awk 'BEGIN{ORS=" "};/can.*/{ if(/can.*:/){print $2};if(/alias/){print $2,"\n"} }' | grep $1: | awk '{print $1,$2}' | awk 'BEGIN{FS="_"}{print $1,$2}' | awk '{print $3,$2}')
+
+echo $1 $ARGS $2 $3
+
+sudo libicsneo_setbaud $ARGS $2 $3
+
+sudo ip link set $1 up
+
+echo $ARGS
+