sani7/2023-Webservices_And_Applications
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tcp_cmd

Browse Source 
create wrapper for tcp_write function
create print header and help function
This commit is contained in:
Sander Speetjens
2023-11-29 00:31:28 +01:00
parent 9cc94f25f2
commit a784f3c33f
1 changed files with 35 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
project/Core/Src/tcp_cmd.c
View File

@@ -16,6 +16,28 @@ static void tcp_cmd_close(struct tcp_pcb* pcb) {
tcp_close(pcb);
}
void tcp_cmd_write(struct tcp_pcb* pcb, const char* str) {
tcp_write(pcb, str, strlen(str), TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
tcp_output(pcb);
}
void tcp_cmd_print_header(struct tcp_pcb* pcb) {
tcp_cmd_write(pcb, " Welcome 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: ");
}
void tcp_cmd_print_help(struct tcp_pcb* pcb) {
tcp_cmd_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");
}
static err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err) {
size_t i;
size_t len;
@@ -37,6 +59,7 @@ static err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t
char* endptr;
LWIP_UNUSED_ARG(arg);
if (err == ERR_OK && p != NULL) {
tcp_recved(pcb, p->tot_len);
@@ -46,14 +69,7 @@ static err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t
if (!strncmp(pc, "help", 4)) {
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, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
tcp_output(pcb);
tcp_cmd_print_help(pcb);
} else if (!strncmp(pc, "text ", 5)) {
for (i = 0; i < len - 4; i++) {
text[i] = pc[i + 5];
@@ -91,12 +107,11 @@ static err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t
llfs_file_t file_list[number_of_files];
for (size_t i = 0; i < number_of_files; i++) {
tcp_write(pcb, file_list[i].name, strlen(file_list[i].name), TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
tcp_write(pcb, "\r\n", 2, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
}
} else {
tcp_write(pcb, "NO files in filesystem\r\n", 24, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
number_of_files = llfs_file_list(file_list, number_of_files, NULL);
for (size_t i = 0; i < number_of_files; i++) {
tcp_cmd_write(pcb, file_list[i].name);
tcp_cmd_write(pcb, "\r\n");
}
check = 1;
@@ -133,9 +148,9 @@ static err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t
lcd_clear_images();
lcd_draw_gif_from_fs(filename, 10, 10);
} else if (!file_in_fs) {
tcp_write(pcb, "File NOT in filesystem\n\r", 24, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
tcp_cmd_write(pcb, "File NOT in filesystem\n\r");
} else {
tcp_write(pcb, "Extension NOT supported\n\r", 25, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
tcp_cmd_write(pcb, "Extension NOT supported\n\r");
}
check = 1;
@@ -147,7 +162,7 @@ static err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t
}
if (!check && (strncmp(pc, "\r\n", 2) != 0)) {
tcp_write(pcb, "Onbestaand commando: help voor lijst van commando's\r\n", 53, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
tcp_cmd_write(pcb, "Onbestaand commando: help voor lijst van commando's\r\n");
}
pbuf_free(p);
@@ -164,7 +179,7 @@ static err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t
tcp_cmd_close(pcb);
}
if (strncmp(pc, "\r\n", 2) != 0) {
tcp_write(pcb, "User: ", 6, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
tcp_cmd_write(pcb, "User: ");
}
return ERR_OK;
@@ -177,11 +192,8 @@ static err_t tcp_cmd_accept(void* arg, struct tcp_pcb* pcb, err_t err) {
tcp_recv(pcb, tcp_cmd_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, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
tcp_sent(pcb, NULL);
tcp_cmd_print_header(pcb);
return ERR_OK;
}