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202 lines
4.9 KiB
202 lines
4.9 KiB
//
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// Created by MightyPork on 2017/08/20.
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//
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// Short sequences: (* = not implemented)
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//
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// ESC char
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// ESC 6 Back Index (DECBI), VT420 and up.
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// ESC 7 Save Cursor (DECSC).
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// ESC 8 Restore Cursor (DECRC).
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// ESC 9 Forward Index (DECFI), VT420 and up.
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// ESC = Application Keypad (DECKPAM).
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// ESC > Normal Keypad (DECKPNM).
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// ESC F Cursor to lower left corner of screen.
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// ESC c Full Reset (RIS).
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// *ESC l Memory Lock (per HP terminals). Locks memory above the cursor.
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// *ESC m Memory Unlock (per HP terminals).
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// ESC n Invoke the G2 Character Set as GL (LS2).
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// ESC o Invoke the G3 Character Set as GL (LS3).
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// *ESC | Invoke the G3 Character Set as GR (LS3R).
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// *ESC } Invoke the G2 Character Set as GR (LS2R).
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// *ESC ~ Invoke the G1 Character Set as GR (LS1R).
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//
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// ESC # Ps
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// *ESC # 3 DEC double-height line, top half (DECDHL).
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// *ESC # 4 DEC double-height line, bottom half (DECDHL).
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// *ESC # 5 DEC single-width line (DECSWL).
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// *ESC # 6 DEC double-width line (DECDWL).
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// ESC # 8 DEC Screen Alignment Test (DECALN).
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//
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// ESC SP char
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// *ESC SP F 7-bit controls (S7C1T).
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// *ESC SP G 8-bit controls (S8C1T).
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// *ESC SP L Set ANSI conformance level 1 (dpANS X3.134.1).
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// *ESC SP M Set ANSI conformance level 2 (dpANS X3.134.1).
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// *ESC SP N Set ANSI conformance level 3 (dpANS X3.134.1).
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//
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// Charset commands
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// ESC ( char Designate G0 character set ('0' = symbols, 'B' = ASCII-US, 'A' = ASCII-UK)
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// ESC ) char Designate G1 character set
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// SO Switch to G0 character set
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// SI Switch to G1 character set
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//
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#include <esp8266.h>
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#include <httpclient.h>
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#include "apars_short.h"
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#include "apars_logging.h"
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#include "screen.h"
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#include "ansi_parser_callbacks.h"
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// ----- Character Set ---
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/**
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* Command to assign G0 or G1
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* @param slot - ( or ) for G0 or G1
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* @param c - character table ID (0, B etc)
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*/
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void ICACHE_FLASH_ATTR
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apars_handle_chs_designate(char slot, char c)
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{
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if (slot == '(') screen_set_charset(0, c); // G0
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else if (slot == ')') screen_set_charset(1, c); // G1
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else {
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ansi_noimpl("ESC %c %c", slot, c);
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}
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// other alternatives * + . - / not implemented
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}
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/** Select charset slot */
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void ICACHE_FLASH_ATTR
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apars_handle_chs_switch(int Gx)
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{
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screen_set_charset_n(Gx);
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}
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// ----- ESC SP char -----
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/**
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* ESC SP <c> (this sets 8/7-bit mode and some other archaic options)
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* @param c - key character
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*/
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void ICACHE_FLASH_ATTR
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apars_handle_space_cmd(char c)
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{
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ansi_noimpl("ESC SP %c", c);
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}
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// ----- ESC # num -----
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/**
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* Codes in the format ESC # n
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* @param c - the trailing symbol (numeric ASCII)
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*/
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void ICACHE_FLASH_ATTR apars_handle_hash_cmd(char c)
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{
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switch(c) {
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case '1': // Double height, single width, top half (CUSTOM!)
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screen_set_line_attr(1, 2, 1);
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break;
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case '2': // Double height, single width, bottom half (CUSTOM!)
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screen_set_line_attr(1, 1, 2);
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break;
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case '3': // Double size, top half
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screen_set_line_attr(2, 2, 1);
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break;
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case '4': // Double size, bottom half
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screen_set_line_attr(2, 1, 2);
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break;
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case '5': // Single width, single height
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screen_set_line_attr(1, 1, 1);
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break;
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case '6': // Double width
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screen_set_line_attr(2, 1, 1);
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break;
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case '8':
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screen_fill_with_E();
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break;
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// // development codes - do not use!
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// case '7':
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// http_get("http://wtfismyip.com/text", NULL, http_callback_example);
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// break;
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default:
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ansi_noimpl("ESC # %c", c);
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}
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}
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// ----- ESC char -----
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/**
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* Single-character escape codes (ESC x)
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* @param c - the trailing symbol (ASCII)
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*/
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void ICACHE_FLASH_ATTR apars_handle_short_cmd(char c)
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{
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switch(c) {
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case 'c': // screen reset
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screen_reset();
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break;
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case '6': // back index
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screen_back_index(1);
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break;
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case '7': // save cursor + attributes
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screen_cursor_save(true);
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break;
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case '8': // restore cursor + attributes
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screen_cursor_restore(true);
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break;
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case 'E': // same as CR LF
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screen_cursor_move(1, 0, false);
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screen_cursor_set_x(0);
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break;
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case 'F': // bottom left
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screen_cursor_set(termconf_live.height-1, 0);
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break;
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case 'D': // move cursor down, scroll screen up if needed
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screen_cursor_move(1, 0, true);
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break;
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case 'M': // move cursor up, scroll screen down if needed
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screen_cursor_move(-1, 0, true);
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break;
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case 'H':
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screen_set_tab();
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break;
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case '>':
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screen_set_numpad_alt_mode(false);
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break;
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case '<': // "Enter ANSI / VT100 mode" - no-op (we don't support VT52 mode)
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break;
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case '=':
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screen_set_numpad_alt_mode(true);
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break;
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case '|': // Invoke the G3 Character Set as GR (LS3R).
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case '}': // Invoke the G2 Character Set as GR (LS2R).
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case '~': // Invoke the G1 Character Set as GR (LS1R).
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// Those do not seem to do anything TODO investigate
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break;
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case '@': // no-op padding char (?)
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break;
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case '\\': // spurious string terminator
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break;
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default:
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ansi_noimpl("ESC %c", c);
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}
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}
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