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tcp_cmd

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add shift_args and use it in the parser function
This commit is contained in:
Sander Speetjens
2023-12-07 11:43:24 +01:00
parent 992b9f3063
commit a37213b128
1 changed files with 115 additions and 85 deletions
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200
project/Core/Src/tcp_cmd.c
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@@ -25,11 +25,27 @@ static void tcp_cmd_list_files(struct tcp_pcb* pcb, int argc, char** argv);
static void tcp_cmd_set_image(struct tcp_pcb* pcb, int argc, char** argv);
static void tcp_cmd_set_gif(struct tcp_pcb* pcb, int argc, char** argv);
static void tcp_cmd_exit(struct tcp_pcb* pcb, int argc, char** argv);
static void tcp_cmd_unknown_cmd(struct tcp_pcb* pcb, int argc, char** argv);
static void tcp_cmd_unknown_cmd(struct tcp_pcb* pcb, char* cmd);
static bool tcp_cmd_parser(struct tcp_pcb* pcb, int argc, char** argv);
static err_t tcp_cmd_accept(void* arg, struct tcp_pcb* pcb, err_t err);
static void tcp_cmd_close(struct tcp_pcb* pcb);
/**
* @brief This function shifts the arguments in argv and argc
* @param argc The argc pointer
* @param argv The argv pointer
* @return The shifted argument
*/
static char* shift_args(int* argc, char*** argv) {
if (*argc == 0) {
return NULL;
}
char* arg = (*argv)[0];
(*argv)++;
(*argc)--;
return arg;
}
/**
* @brief This function is a wrapper for tcp_write and tcp_output
* @param pcb The tcp_pcb struct to write to
@@ -69,19 +85,19 @@ static void tcp_cmd_print_help(struct tcp_pcb* pcb) {
}
static void tcp_cmd_clear(struct tcp_pcb* pcb, int argc, char** argv) {
if (argc == 1) {
if (argc == 0) {
LOG_INFO(TAG, "Clearing screen");
lcd_clear_text();
lcd_clear_images();
return;
}
if (argc == 2) {
if (strcmp(argv[1], "text") == 0) {
if (argc == 1) {
if (strcmp(argv[0], "text") == 0) {
LOG_INFO(TAG, "Clearing text");
lcd_clear_text();
return;
}
if (strcmp(argv[1], "images") == 0) {
if (strcmp(argv[0], "images") == 0) {
LOG_INFO(TAG, "Clearing images");
lcd_clear_images();
return;
@@ -95,14 +111,16 @@ static void tcp_cmd_clear(struct tcp_pcb* pcb, int argc, char** argv) {
}
static void tcp_cmd_text(struct tcp_pcb* pcb, int argc, char** argv) {
if (argc == 2) {
LOG_INFO(TAG, "Setting text %s @ 10, 10", argv[1]);
lcd_display_text((const char*)argv[1], 10, 10, color_txt, color_bg, LCD_FONT24);
if (argc == 1) {
LOG_INFO(TAG, "Setting text %s @ 10, 10", argv[0]);
lcd_display_text((const char*)argv[0], 10, 10, color_txt, color_bg, LCD_FONT24);
return;
}
if (argc == 4) {
LOG_INFO(TAG, "Setting text %s @ %lu, %lu", argv[1], (uint32_t)strtoul(argv[2], NULL, 10), (uint32_t)strtoul(argv[3], NULL, 10));
lcd_display_text((const char*)argv[1], (uint32_t)strtoul(argv[2], NULL, 10), (uint32_t)strtoul(argv[3], NULL, 10), color_txt, color_bg, LCD_FONT24);
if (argc == 3) {
LOG_INFO(TAG, "Setting text %s @ %lu, %lu", argv[0], (uint32_t)strtoul(argv[1], NULL, 10),
(uint32_t)strtoul(argv[2], NULL, 10));
lcd_display_text((const char*)argv[0], (uint32_t)strtoul(argv[1], NULL, 10),
(uint32_t)strtoul(argv[2], NULL, 10), color_txt, color_bg, LCD_FONT24);
return;
}
LOG_WARN(TAG, "Bad usage of text");
@@ -112,27 +130,27 @@ static void tcp_cmd_text(struct tcp_pcb* pcb, int argc, char** argv) {
}
static void tcp_cmd_bg_color(struct tcp_pcb* pcb, int argc, char** argv) {
if (argc == 2) {
LOG_INFO(TAG, "Setting background color to %s", argv[1]);
color_bg = (uint32_t)strtoul(argv[1], NULL, 16);
if (argc == 1) {
LOG_INFO(TAG, "Setting background color to %s", argv[0]);
color_bg = (uint32_t)strtoul(argv[0], NULL, 16);
color_bg ^= 0xff000000;
return;
}
if (argc == 4) {
LOG_INFO(TAG, "Setting background color to %s %s %s", argv[1], argv[2], argv[3]);
if (argc == 3) {
LOG_INFO(TAG, "Setting background color to %s %s %s", argv[0], argv[1], argv[2]);
color_bg = 0xff000000;
color_bg |= (uint32_t)strtoul(argv[1], NULL, 10) << 16;
color_bg |= (uint32_t)strtoul(argv[2], NULL, 10) << 8;
color_bg |= (uint32_t)strtoul(argv[3], NULL, 10);
color_bg |= (uint32_t)strtoul(argv[0], NULL, 10) << 16;
color_bg |= (uint32_t)strtoul(argv[1], NULL, 10) << 8;
color_bg |= (uint32_t)strtoul(argv[2], NULL, 10);
return;
}
if (argc == 5) {
LOG_INFO(TAG, "Setting background color to %s %s %s %s", argv[1], argv[2], argv[3], argv[4]);
if (argc == 4) {
LOG_INFO(TAG, "Setting background color to %s %s %s %s", argv[0], argv[1], argv[2], argv[3]);
color_txt = 0xff000000;
color_txt ^= (uint32_t)strtoul(argv[1], NULL, 10) << 24;
color_txt |= (uint32_t)strtoul(argv[2], NULL, 10) << 16;
color_txt |= (uint32_t)strtoul(argv[3], NULL, 10) << 8;
color_txt |= (uint32_t)strtoul(argv[4], NULL, 10);
color_txt ^= (uint32_t)strtoul(argv[0], NULL, 10) << 24;
color_txt |= (uint32_t)strtoul(argv[1], NULL, 10) << 16;
color_txt |= (uint32_t)strtoul(argv[2], NULL, 10) << 8;
color_txt |= (uint32_t)strtoul(argv[3], NULL, 10);
return;
}
LOG_WARN(TAG, "Bad usage of bgcolor");
@@ -143,29 +161,29 @@ static void tcp_cmd_bg_color(struct tcp_pcb* pcb, int argc, char** argv) {
}
static void tcp_cmd_color(struct tcp_pcb* pcb, int argc, char** argv) {
if (argc == 2) {
LOG_INFO(TAG, "Setting text color to %s", argv[1]);
color_txt = (uint32_t)strtoul(argv[1], NULL, 16);
if (argc == 1) {
LOG_INFO(TAG, "Setting text color to %s", argv[0]);
color_txt = (uint32_t)strtoul(argv[0], NULL, 16);
color_txt ^= 0xff000000;
return;
}
if (argc == 4) {
LOG_INFO(TAG, "Setting text color to %s %s %s", argv[1], argv[2], argv[3]);
if (argc == 3) {
LOG_INFO(TAG, "Setting text color to %s %s %s", argv[0], argv[1], argv[2]);
color_txt = 0xff000000;
color_txt |= (uint32_t)strtoul(argv[0], NULL, 10) << 16;
color_txt |= (uint32_t)strtoul(argv[1], NULL, 10) << 8;
color_txt |= (uint32_t)strtoul(argv[2], NULL, 10);
return;
}
if (argc == 4) {
LOG_INFO(TAG, "Setting text color to %s %s %s %s", argv[0], argv[1], argv[2], argv[3]);
color_txt = 0xff000000;
color_txt ^= (uint32_t)strtoul(argv[0], NULL, 10) << 24;
color_txt |= (uint32_t)strtoul(argv[1], NULL, 10) << 16;
color_txt |= (uint32_t)strtoul(argv[2], NULL, 10) << 8;
color_txt |= (uint32_t)strtoul(argv[3], NULL, 10);
return;
}
if (argc == 5) {
LOG_INFO(TAG, "Setting text color to %s %s %s %s", argv[1], argv[2], argv[3], argv[4]);
color_txt = 0xff000000;
color_txt ^= (uint32_t)strtoul(argv[1], NULL, 10) << 24;
color_txt |= (uint32_t)strtoul(argv[2], NULL, 10) << 16;
color_txt |= (uint32_t)strtoul(argv[3], NULL, 10) << 8;
color_txt |= (uint32_t)strtoul(argv[4], NULL, 10);
return;
}
LOG_WARN(TAG, "Bad usage of color");
tcp_cmd_write(pcb, "Usage: color 0x<rrggbb>\n");
tcp_cmd_write(pcb, "Usage: color 0x<aarrggbb>\n");
@@ -174,35 +192,41 @@ static void tcp_cmd_color(struct tcp_pcb* pcb, int argc, char** argv) {
}
static void tcp_cmd_list_files(struct tcp_pcb* pcb, int argc, char** argv) {
UNUSED(argc);
UNUSED(argv);
LOG_INFO(TAG, "Listing files");
void* mem = NULL; // Pointer for internal use by the llfs library
llfs_file_t* file;
while ((file = llfs_next_file(&mem, NULL)) != NULL) {
tcp_cmd_write(pcb, file->name);
tcp_cmd_write(pcb, "\n");
if (argc == 0) {
LOG_INFO(TAG, "Listing files");
void* mem = NULL; // Pointer for internal use by the llfs library
llfs_file_t* file;
while ((file = llfs_next_file(&mem, NULL)) != NULL) {
tcp_cmd_write(pcb, file->name);
tcp_cmd_write(pcb, "\n");
}
return;
}
LOG_WARN(TAG, "Bad usage of listfiles");
tcp_cmd_write(pcb, "Usage: listfiles\n");
return;
}
static void tcp_cmd_set_image(struct tcp_pcb* pcb, int argc, char** argv) {
char* ext = NULL;
if (argc >= 2) {
ext = llfs_get_filename_ext(argv[1]);
if (argc >= 1) {
ext = llfs_get_filename_ext(argv[0]);
if (strcmp(ext, "bmp") != 0) {
LOG_WARN(TAG, "setimage: File is not a bmp");
tcp_cmd_write(pcb, "File is not a bmp\n");
return;
}
}
if (argc == 2) {
LOG_INFO(TAG, "Setting image %s @ 0, 0", argv[1]);
lcd_draw_img_from_fs(argv[1], 0, 0);
if (argc == 1) {
LOG_INFO(TAG, "Setting image %s @ 0, 0", argv[0]);
lcd_draw_img_from_fs(argv[0], 0, 0);
return;
}
if (argc == 4) {
LOG_INFO(TAG, "Setting image %s @ %lu, %lu", argv[1], (uint32_t)strtoul(argv[2], NULL, 10), (uint32_t)strtoul(argv[3], NULL, 10));
lcd_draw_img_from_fs(argv[1], (uint32_t)strtoul(argv[2], NULL, 10), (uint32_t)strtoul(argv[3], NULL, 10));
if (argc == 3) {
LOG_INFO(TAG, "Setting image %s @ %lu, %lu", argv[0], (uint32_t)strtoul(argv[1], NULL, 10),
(uint32_t)strtoul(argv[2], NULL, 10));
lcd_draw_img_from_fs(argv[0], (uint32_t)strtoul(argv[1], NULL, 10), (uint32_t)strtoul(argv[2], NULL, 10));
return;
}
LOG_WARN(TAG, "Bad usage of setimage");
@@ -212,22 +236,23 @@ static void tcp_cmd_set_image(struct tcp_pcb* pcb, int argc, char** argv) {
static void tcp_cmd_set_gif(struct tcp_pcb* pcb, int argc, char** argv) {
char* ext = NULL;
if (argc >= 2) {
ext = llfs_get_filename_ext(argv[1]);
if (argc >= 1) {
ext = llfs_get_filename_ext(argv[0]);
if (strcmp(ext, "gif") != 0) {
LOG_WARN(TAG, "setgif: File is not a gif");
tcp_cmd_write(pcb, "File is not a gif\n");
return;
}
}
if (argc == 2) {
LOG_INFO(TAG, "Setting gif %s @ 0, 0", argv[1]);
lcd_draw_gif_from_fs(argv[1], 0, 0);
if (argc == 1) {
LOG_INFO(TAG, "Setting gif %s @ 0, 0", argv[0]);
lcd_draw_gif_from_fs(argv[0], 0, 0);
return;
}
if (argc == 4) {
LOG_INFO(TAG, "Setting gif %s @ %lu, %lu", argv[1], (uint32_t)strtoul(argv[2], NULL, 10), (uint32_t)strtoul(argv[3], NULL, 10));
lcd_draw_gif_from_fs(argv[1], (uint32_t)strtoul(argv[2], NULL, 10), (uint32_t)strtoul(argv[3], NULL, 10));
if (argc == 3) {
LOG_INFO(TAG, "Setting gif %s @ %lu, %lu", argv[0], (uint32_t)strtoul(argv[1], NULL, 10),
(uint32_t)strtoul(argv[2], NULL, 10));
lcd_draw_gif_from_fs(argv[0], (uint32_t)strtoul(argv[1], NULL, 10), (uint32_t)strtoul(argv[2], NULL, 10));
return;
}
@@ -237,20 +262,24 @@ static void tcp_cmd_set_gif(struct tcp_pcb* pcb, int argc, char** argv) {
}
static void tcp_cmd_exit(struct tcp_pcb* pcb, int argc, char** argv) {
UNUSED(argc);
UNUSED(argv);
LOG_INFO(TAG, "Closing connection");
tcp_cmd_write(pcb, "Exiting...\n");
lcd_clear_images();
lcd_clear_text();
tcp_close(pcb);
if (argc == 0) {
LOG_INFO(TAG, "Closing connection");
tcp_cmd_write(pcb, "Exiting...\n");
lcd_clear_images();
lcd_clear_text();
tcp_close(pcb);
return;
}
LOG_WARN(TAG, "Bad usage of exit");
tcp_cmd_write(pcb, "Usage: exit\n");
}
static void tcp_cmd_unknown_cmd(struct tcp_pcb* pcb, int argc, char** argv) {
UNUSED(argc);
LOG_WARN(TAG, "Unknown command: %s", argv[0]);
static void tcp_cmd_unknown_cmd(struct tcp_pcb* pcb, char* cmd) {
LOG_WARN(TAG, "Unknown command: %s", cmd);
tcp_cmd_write(pcb, "Unknown command: ");
tcp_cmd_write(pcb, argv[0]);
tcp_cmd_write(pcb, cmd);
tcp_cmd_write(pcb, "\n");
tcp_cmd_write(pcb, "Type help for list of commands\n");
}
@@ -356,44 +385,45 @@ static bool tcp_cmd_parser(struct tcp_pcb* pcb, int argc, char** argv) {
LOG_WARN(TAG, "No command given");
return false;
}
tcp_cmd_str_tolower(argv[0]);
if (strcmp(argv[0], "help") == 0) {
char* cmd = shift_args(&argc, &argv);
tcp_cmd_str_tolower(cmd);
if (strcmp(cmd, "help") == 0) {
tcp_cmd_print_help(pcb);
return false;
}
if (strcmp(argv[0], "clear") == 0) {
if (strcmp(cmd, "clear") == 0) {
tcp_cmd_clear(pcb, argc, argv);
return false;
}
if (strcmp(argv[0], "text") == 0) {
if (strcmp(cmd, "text") == 0) {
tcp_cmd_text(pcb, argc, argv);
return false;
}
if (strcmp(argv[0], "bgcolor") == 0) {
if (strcmp(cmd, "bgcolor") == 0) {
tcp_cmd_bg_color(pcb, argc, argv);
return false;
}
if (strcmp(argv[0], "color") == 0) {
if (strcmp(cmd, "color") == 0) {
tcp_cmd_color(pcb, argc, argv);
return false;
}
if (strcmp(argv[0], "listfiles") == 0) {
if (strcmp(cmd, "listfiles") == 0) {
tcp_cmd_list_files(pcb, argc, argv);
return false;
}
if (strcmp(argv[0], "setimage") == 0) {
if (strcmp(cmd, "setimage") == 0) {
tcp_cmd_set_image(pcb, argc, argv);
return false;
}
if (strcmp(argv[0], "setgif") == 0) {
if (strcmp(cmd, "setgif") == 0) {
tcp_cmd_set_gif(pcb, argc, argv);
return false;
}
if (strcmp(argv[0], "exit") == 0) {
if (strcmp(cmd, "exit") == 0) {
tcp_cmd_exit(pcb, argc, argv);
return true;
}
tcp_cmd_unknown_cmd(pcb, argc, argv);
tcp_cmd_unknown_cmd(pcb, cmd);
return false;
}
@@ -445,7 +475,7 @@ err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err) {
// Split string into tokens by delimiter (space)
cmd_ptr = tcp_cmd_remove_leading_space(cmd, strlen(cmd));
argv[0] = tcp_cmd_get_next_token(cmd_ptr, " ", &next);
if(argv[0] != NULL) {
if (argv[0] != NULL) {
argc = 1;
}
while (argv[argc - 1] != NULL && argc < MAX_TOKENS) {
@@ -472,7 +502,7 @@ err_t tcp_cmd_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err) {
tcp_cmd_write(pcb, "$>");
}
#else
} else if(argc > 0) {
} else if (argc > 0) {
tcp_cmd_write(pcb, "$>");
} else {
tcp_cmd_write(pcb, "");