196 lines
6.2 KiB
C
196 lines
6.2 KiB
C
/*
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* cmd.c
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*
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* Created on: 13 Nov 2023
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* Author: gertr
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*/
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#include "cmd.h"
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uint32_t result_txt = 0xff000000;
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uint32_t result_bg = 0xff000000;
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static void echo_close(struct tcp_pcb* pcb) {
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tcp_arg(pcb, NULL);
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tcp_sent(pcb, NULL);
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tcp_recv(pcb, NULL);
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tcp_close(pcb);
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}
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static err_t echo_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err) {
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int i;
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int len;
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int file_in_fs;
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int check = 0;
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char *pc;
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char tcp_buffer[1024];
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char text[256];
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char color_r[3];
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char color_g[3];
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char color_b[3];
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char text_color_r[3];
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char text_color_g[3];
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char text_color_b[3];
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char extension[4];
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char *endptr;
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if (err == ERR_OK && p != NULL) {
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tcp_recved(pcb, p->tot_len);
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pc = (char*)p->payload;
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len = p->tot_len;
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for (i = 0; i < len; i++) {
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tcp_buffer[i] = pc[i];
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}
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if (strncmp(tcp_buffer, "help", 4) == 0) {
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check = 1;
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tcp_write(pcb, "help : laat lijst zien met alle commando's\r\n"
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"text : geeft tekst mee die op LCD komt (uw_text)\r\n"
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"color : kleur achtergrond van scherm (255 255 255)\r\n"
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"textColor : kleur van tekst (255 255 255)\r\n"
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"listImages: laat een lijst zien van de mogelijke afbeeldingen\r\n"
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"setImage : veranderd te afbeelding (naam_afbeelding)\r\n"
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"exit : sluit de verbinding\r\n", 354, 0);
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tcp_output(pcb);
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} else if (strncmp(tcp_buffer, "text ", 5) == 0) {
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for (i = 0; i < len - 4; i++) {
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text[i] = tcp_buffer[i + 5];
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}
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text[i - 1] = '\0';
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lcd_clear_text();
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lcd_display_text(text, 10, 10, result_txt, LCD_FONT16);
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check = 1;
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} else if (strncmp(tcp_buffer, "color", 5) == 0) {
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for (i = 0; i < 3; i++) {
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color_r[i] = tcp_buffer[i + 6];
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color_g[i] = tcp_buffer[i + 10];
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color_b[i] = tcp_buffer[i + 14];
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}
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result_bg |= strtoul(color_r, &endptr, 10) << 16;
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result_bg |= strtoul(color_g, &endptr, 10) << 8;
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result_bg |= strtoul(color_b, &endptr, 10);
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check = 1;
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} else if (strncmp(tcp_buffer, "textColor", 9) == 0) {
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for (i = 0; i < 3; i++) {
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text_color_r[i] = tcp_buffer[i + 10];
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text_color_g[i] = tcp_buffer[i + 14];
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text_color_b[i] = tcp_buffer[i + 18];
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}
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result_txt |= strtoul(text_color_r, &endptr, 10) << 16;
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result_txt |= strtoul(text_color_g, &endptr, 10) << 8;
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result_txt |= strtoul(text_color_b, &endptr, 10);
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check = 1;
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} else if (strncmp(tcp_buffer, "listImages", 10) == 0) {
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size_t number_of_files = llfs_file_count();
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llfs_file_t file_list[number_of_files];
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number_of_files = llfs_file_list(file_list, number_of_files, NULL);
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for (int i = 0; i < number_of_files; i++) {
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tcp_write(pcb, file_list[i].name, strlen(file_list[i].name), TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
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tcp_write(pcb, "\r\n", 2, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
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}
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check = 1;
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} else if (strncmp(tcp_buffer, "setImage", 8) == 0) {
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char filename[len - 8];
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for (int i = 0; i < len - 9; i++) {
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filename[i] = tcp_buffer[i + 9];
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}
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for (int i = 0; i < 3; i++) {
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extension[i] = tcp_buffer[i + len - 3];
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}
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filename[sizeof(filename) - 1] = '\0';
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extension[3] = '\0';
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size_t number_of_files = llfs_file_count();
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llfs_file_t file_list[number_of_files];
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number_of_files = llfs_file_list(file_list, number_of_files, NULL);
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file_in_fs = 0;
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for (int i = 0; i < number_of_files; i++) {
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if (strcmp(filename, file_list[i].name) == 0) {
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file_in_fs = 1;
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}
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}
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// Check which file extension is used and call right function
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if (strncmp(extension, "bmp", 3) == 0 && file_in_fs == 1) {
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lcd_clear_images();
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lcd_draw_img_from_fs(filename, 10, 10);
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} else if (strncmp(extension, "gif", 3) == 0 && file_in_fs == 1) {
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lcd_clear_images();
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lcd_draw_gif_from_fs(filename, 10, 10);
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} else if (file_in_fs == 0) {
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tcp_write(pcb, "File NOT in filesystem\n\r", 24, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
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} else {
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tcp_write(pcb, "Extension NOT supported\n\r", 25, TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE);
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}
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check = 1;
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} else if (strncmp(tcp_buffer, "exit", 4) == 0) {
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echo_close(pcb);
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check = 1;
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}
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if (check == 0 && (strncmp(tcp_buffer, "\r\n", 2) != 0)) {
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tcp_write(pcb, "Onbestaand commando: help voor lijst van commando's\r\n", 53, 0);
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}
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pbuf_free(p);
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if (len > tcp_sndbuf(pcb)) {
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len = tcp_sndbuf(pcb);
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}
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//tcp_write( pcb, tcp_buffer, len, 0 );
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tcp_sent(pcb, NULL);
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} else {
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pbuf_free(p);
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}
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if (err == ERR_OK && p == NULL) {
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echo_close(pcb);
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}
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if (strncmp(tcp_buffer, "\r\n", 2) != 0) {
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tcp_write(pcb, "User: ", 6, 0);
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}
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return ERR_OK;
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}
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static err_t echo_accept(void* arg, struct tcp_pcb* pcb, err_t err) {
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LWIP_UNUSED_ARG(arg);
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LWIP_UNUSED_ARG(err);
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tcp_setprio(pcb, TCP_PRIO_MIN);
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tcp_recv(pcb, echo_recv);
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tcp_err(pcb, NULL);
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tcp_poll(pcb, NULL, 4);
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tcp_write(pcb, " Welcom bij de TCP CMD Interface\r\n"
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"(Typ help voor een lijst van de commando's! X om te sluiten)\r\n"
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"============================================================\r\n"
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"User: ", 168, 0);
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tcp_sent(pcb, NULL);
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return ERR_OK;
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}
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void echo_init(void) {
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struct tcp_pcb *tcp_pcb;
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tcp_pcb = tcp_new();
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tcp_bind(tcp_pcb, IP_ADDR_ANY, 23);
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tcp_pcb = tcp_listen(tcp_pcb);
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tcp_accept(tcp_pcb, echo_accept);
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}
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