Added cmd.c and cmd.h

Functions in main copied to cmd.c

project/Core/Inc/cmd.h

@@ -0,0 +1,15 @@
+/*
+ * cmd.h
+ *
+ *  Created on: 13 Nov 2023
+ *      Author: gertr
+ */
+
+#ifndef INC_CMD_H_
+#define INC_CMD_H_
+
+
+void echo_init( void );
+
+
+#endif /* INC_CMD_H_ */

project/Core/Src/cmd.c

@@ -0,0 +1,163 @@
+/*
+ * cmd.c
+ *
+ *  Created on: 13 Nov 2023
+ *      Author: gertr
+ */
+
+
+
+#include "cmd.h"
+#include "log.h"
+#include <tcp.h>
+#include <stdio.h>
+#include <string.h>
+
+
+static void echo_close (struct tcp_pcb *pcb )
+{
+    tcp_arg(pcb, NULL);
+    tcp_sent(pcb, NULL);
+    tcp_recv(pcb, NULL);
+    tcp_close(pcb);
+}
+
+static err_t echo_recv( void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err )
+{
+    int i;
+    int len;
+    u16_t len_text;
+    char *pc;
+    int check = 0;
+
+    char tcp_buffer[1024];
+    char text[256];
+    char color[11];
+    char textColor[11];
+
+    if ( err == ERR_OK && p != NULL )
+    {
+        tcp_recved( pcb, p->tot_len );
+        pc = (char *)p->payload;
+        len =p->tot_len;
+        len_text = len - 3;
+
+        for( i=0; i<len; i++ )
+        {
+            tcp_buffer[i] = pc[i];
+        }
+
+        if (strncmp(tcp_buffer, "help", 4) == 0) {
+        	check = 1;
+        	tcp_write( pcb, "help      : laat lijst zien met alle commando's\r\n"
+        		    "text      : geeft tekst mee die op LCD komt (uw_text)\r\n"
+        		    "color     : kleur achtergrond van scherm (255 255 255)\r\n"
+        		    "textColor : kleur van tekst (255 255 255)\r\n"
+        		    "listImages: laat een lijst zien van de mogelijke afbeeldingen\r\n"
+        		    "setImage  : veranderd te afbeelding (naam_afbeelding)\r\n"
+        		    "exit      : sluit de verbinding\r\n", 354, 0 );
+        	tcp_output(pcb);
+        }
+        else if( strncmp(tcp_buffer, "text ", 5) == 0 ) {
+        	for (i = 0; i < len - 4; i++){
+        		text[i] = tcp_buffer[i + 5];
+        	}
+        	text[i-1]='\r';
+        	text[i]='\n';
+        	text[i+1]='\0';
+        	tcp_write( pcb, text, len_text, 0);
+        	tcp_output(pcb);
+        	check = 1;
+        }
+        else if( strncmp(tcp_buffer, "color", 5) == 0 ) {
+        	for (i = 0; i < 3; i++){
+        		color[i] = tcp_buffer[i + 6];
+        		color[i+3] = tcp_buffer[i + 10];
+        		color[i+6] = tcp_buffer[i + 14];
+        	}
+        	color[9]='\r';
+        	color[10]='\n';
+        	tcp_write( pcb, color, 11, 0);
+        	tcp_output(pcb);
+        	check = 1;
+        }
+        else if( strncmp(tcp_buffer, "textColor", 9) == 0 ) {
+        	for (i = 0; i < 3; i++){
+        		textColor[i] = tcp_buffer[i + 10];
+        		textColor[i+3] = tcp_buffer[i + 14];
+        		textColor[i+6] = tcp_buffer[i + 18];
+        	}
+        	textColor[9]='\r';
+        	textColor[10]='\n';
+        	tcp_write( pcb, textColor, 11, 0);
+        	tcp_output(pcb);
+        	check = 1;
+        }
+        else if( strcmp(tcp_buffer, "listImages") == 0 ) {
+
+        	check = 1;
+        }
+        else if( strcmp(tcp_buffer, "setImages") == 0 ) {
+
+        	check = 1;
+        }
+        else if( strcmp(tcp_buffer, "exit") == 0 ) {
+            echo_close( pcb );
+            check = 1;
+        }
+
+        if(check == 0 && (strncmp(tcp_buffer, "\r\n", 2) != 0 )) {
+        	tcp_write( pcb, "Onbestaand commando: help voor lijst van commando's\r\n", 53, 0 );
+        }
+
+        pbuf_free( p );
+
+        if( len > tcp_sndbuf( pcb ) ) {
+            len= tcp_sndbuf( pcb );
+        }
+
+        //tcp_write( pcb, tcp_buffer, len, 0 );
+        tcp_sent( pcb, NULL );
+    }
+    else
+    {
+        pbuf_free( p );
+    }
+
+    if( err == ERR_OK && p == NULL )
+    {
+        echo_close( pcb );
+    }
+    if(strncmp(tcp_buffer, "\r\n", 2) != 0 ) {
+    	tcp_write( pcb, "User: ", 6, 0 );
+    }
+
+    return ERR_OK;
+}
+
+static err_t echo_accept(void *arg, struct tcp_pcb *pcb, err_t err )
+{
+    LWIP_UNUSED_ARG( arg );
+    LWIP_UNUSED_ARG( err );
+    tcp_setprio( pcb, TCP_PRIO_MIN );
+    tcp_recv( pcb, echo_recv );
+    tcp_err( pcb, NULL );
+    tcp_poll( pcb, NULL, 4 );
+    tcp_write( pcb, "    Welcom bij de TCP CMD Interface\r\n"
+"(Typ help voor een lijst van de commando's! X om te sluiten)\r\n"
+"============================================================\r\n"
+"User: ", 168, 0 );
+    tcp_sent( pcb, NULL );
+    return ERR_OK;
+}
+
+void echo_init( void )
+{
+    struct tcp_pcb *tcp_pcb;
+    tcp_pcb = tcp_new();
+    tcp_bind(tcp_pcb, IP_ADDR_ANY, 23);
+
+    tcp_pcb = tcp_listen( tcp_pcb );
+    tcp_accept( tcp_pcb, echo_accept );
+}
+

project/Core/Src/main.c

@@ -35,6 +35,10 @@
 #include "tcp_cmd.h"
 #include "website_backend.h"
 
+#include "cmd.h"
+#include <tcp.h>
+#include <stdio.h>
+#include <string.h>
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/