1 #include "message_buffer.h"
4 void add_to_buffer(buffer *p_Buffer, char *message,char message_level){
6 /*move the head up one. the head always points at the last written data*/
9 // printf("p_Buffer->tail=%d\n",p_Buffer->tail);
10 // printf("p_Buffer->head=%d\n",p_Buffer->head);
11 if (p_Buffer->head >=BUFFER_SIZE-1) {
12 // printf("buffer overflow\n");
13 p_Buffer->head -= (BUFFER_SIZE-1); /*wrap the head around the buffer*/
14 // printf("new p_Buffer->head=%d\n",p_Buffer->head);
16 /*if the buffer is full then delete last entry by moving the tail*/
17 if (p_Buffer->head==p_Buffer->tail){
18 // printf("moving buffer tail from %d to ",p_Buffer->tail);
20 if (p_Buffer->tail >=BUFFER_SIZE) p_Buffer->tail -= BUFFER_SIZE;/*wrap the tail around the buffer*/
21 // printf("%d\n",p_Buffer->tail);
31 p_Buffer->message_level[p_Buffer->head]=message_level; /*copy the message level*/
36 strcpy(p_Buffer->message[p_Buffer->head],message); /*copy the message*/
37 // printf("copied %s into p_Buffer->message[p_Buffer->head]: %s\n",message,p_Buffer->message[p_Buffer->head]);
38 // printf("extra %s\n",p_Buffer->message[p_Buffer->head]);
40 if (p_Buffer->message_level[p_Buffer->head]<=DEBUG_LEVEL){
41 // printf("printing buffer 1\n");
42 /* the print buffer sfunction is not working this is just a quick fix*/
43 // print_buffer(p_Buffer,1); /*if the debug level is higher enough then print the new message*/
44 printf("%s\n",p_Buffer->message[p_Buffer->head]);
47 void print_buffer(buffer *p_Buffer, int number_of_messages_to_print){
50 printf("print buffer\n");
51 printf("buffer head:%d\n",p_Buffer->head);
52 printf("buffer tail:%d\n",p_Buffer->tail);
54 if (number_of_messages_to_print==PRINT_ALL) number_of_messages_to_print=BUFFER_SIZE;
55 // printf("number_of_messages_to_print=%d\n",number_of_messages_to_print);
56 for (i=0,x=0; (x>=p_Buffer->tail) && (i<number_of_messages_to_print); i++, x--){
57 // printf("printing buffer\n");
58 // printf("x:%d\n",x);
59 if (x<0) x = BUFFER_SIZE-1; /*wrap x around buffer*/
60 printf("%s\n",p_Buffer->message[p_Buffer->head]);
61 printf("printed buffer\n");