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add modbus input mode

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This commit is contained in:
Edward Emelianov
2023-11-23 17:04:54 +03:00
parent 57235dccdd
commit 33658a57a4
5 changed files with 74 additions and 17 deletions
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46
ncurses_and_readline.c
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@@ -39,10 +39,11 @@
#include "string_functions.h"
enum { // using colors
BKG_NO = 1,
BKGMARKED_NO = 2,
NORMAL_NO = 3,
MARKED_NO = 4
BKG_NO = 1, // normal status string
BKGMARKED_NO, // marked status string
NORMAL_NO, // normal output
MARKED_NO, // marked output
ERROR_NO // error displayed
};
#define COLOR(x) COLOR_PAIR(x ## _NO)
@@ -55,7 +56,7 @@ static bool should_exit = false;
static disptype disp_type = DISP_TEXT; // type of displaying data
static disptype input_type = DISP_TEXT; // parsing type of input data
const char *dispnames[] = {"TEXT", "RAW", "HEX"};
const char *dispnames[DISP_SIZE] = {"TEXT", "RAW", "HEX", "RTU (RAW)", "RTU (HEX)", "Error"};
static chardevice *dtty = NULL;
@@ -121,6 +122,18 @@ static void forward_to_readline(char c){
rl_callback_read_char();
}
/**
* @brief show_err - show error on status string
* @param text - text to display
*/
static void show_err(const char *text){
wclear(sep_win);
wattron(sep_win, COLOR(ERROR));
wprintw(sep_win, "%s", text);
wattroff(sep_win, COLOR(ERROR));
wrefresh(sep_win);
}
/**
* @brief ptrtobuf - get n'th string of `formatted_buffer`
* @param lineno - line number
@@ -128,7 +141,7 @@ static void forward_to_readline(char c){
*/
static char *ptrtobuf(size_t lineno){
if(!linebuffer->line_array_idx){
WARNX("line_array_idx not inited");
show_err("line_array_idx not inited");
return NULL;
}
if(lineno > linebuffer->lnarr_curr) return NULL;
@@ -523,11 +536,12 @@ void init_ncurses(){
}
if(!msg_win || !sep_win || !cmd_win)
fail_exit("Failed to allocate windows");
wtimeout(cmd_win, 4);
wtimeout(cmd_win, 5);
keypad(cmd_win, TRUE);
if(has_colors()){
init_pair(BKG_NO, COLOR_WHITE, COLOR_BLUE);
init_pair(BKGMARKED_NO, 1, COLOR_BLUE); // COLOR_RED used in my usefull_macros
init_pair(ERROR_NO, COLOR_BLACK, 1);
init_pair(NORMAL_NO, COLOR_WHITE, COLOR_BLACK);
init_pair(MARKED_NO, COLOR_CYAN, COLOR_BLACK);
wbkgd(sep_win, COLOR(BKG));
@@ -560,9 +574,9 @@ static void got_command(char *line){
if(!*line) return; // zero length
if(!previous_line || strcmp(previous_line, line)) add_history(line); // omit repeats
FREE(previous_line);
if(convert_and_send(input_type, line) == -1){
ERRX("Device disconnected");
}
int res = convert_and_send(input_type, line);
if(res == 0) show_err("Wrong data format");
else if(res == -1) ERRX("Device disconnected");
previous_line = line;
}
}
@@ -588,7 +602,7 @@ static void change_disp(disptype in, disptype out){
input_type = in;
DBG("input -> %s", dispnames[in]);
}
if(out >= DISP_TEXT && out < DISP_UNCHANGED && out != disp_type){
if(out >= DISP_TEXT && out <= DISP_HEX && out != disp_type){
disp_type = out;
DBG("output -> %s", dispnames[out]);
resize(); // reformat everything
@@ -636,6 +650,8 @@ static const char *help[] = {
" F2 - text mode",
" F3 - raw mode (all symbols in hex codes)",
" F4 - hexdump mode (like hexdump output)",
" F5 - modbus RTU mode (only for sending), input like RAW: ID data",
" F6 - modbus RTU mode (only for sending), input like HEX: ID data",
" mouse scroll - scroll text output",
" q,^c,^d - quit",
" TAB - switch between scroll and edit modes",
@@ -690,6 +706,14 @@ void *cmdline(void* arg){
DBG("\n\nIN HEX mode\n\n");
dt = DISP_HEX;
break;
case KEY_F(5): // RTU mode
DBG("\n\nIN RTU RAW mode\n\n");
dt = DISP_RTURAW;
break;
case KEY_F(6): // RTU mode
DBG("\n\nIN RTU HEX mode\n\n");
dt = DISP_RTUHEX;
break;
case KEY_MOUSE:
if(getmouse(&event) == OK){
if(event.bstate & (BUTTON4_PRESSED)) rolldown(1); // wheel up