electro
/
avr-lib
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fixed and improved VT100 support

Browse Source
pull/1/head
Ondřej Hruška 10 years ago
parent d716190cc5
commit 7caeceb05c
4 changed files with 438 additions and 85 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 39
      lib/uart.c
  2. 35
      lib/uart.h
  3. 307
      lib/uart_ansi.c
  4. 142
      lib/uart_ansi.h

39
lib/uart.c
Unescape View File

@ -102,9 +102,6 @@ void uart_flush()
}
/** Send CRLF */
void uart_nl()
{
@ -118,24 +115,40 @@ char tmpstr[12]; // buffer for number rendering
void _uart_putn(const uint8_t places);
/** Send unsigned int8 */
void uart_put8i(const int8_t num)
{
itoa(num, tmpstr, 10);
uart_puts(tmpstr);
}
/** Send signed int8 */
void uart_put8u(const uint8_t num)
{
itoa(num, tmpstr, 10);
uart_puts(tmpstr);
}
/** Send unsigned int */
void uart_puti(const int16_t num)
void uart_put16i(const int16_t num)
{
ltoa(num, tmpstr, 10);
itoa(num, tmpstr, 10);
uart_puts(tmpstr);
}
/** Send signed int */
void uart_putu(const uint16_t num)
void uart_put16u(const uint16_t num)
{
ltoa(num, tmpstr, 10);
itoa(num, tmpstr, 10);
uart_puts(tmpstr);
}
/** Send unsigned long */
void uart_putlu(const uint32_t num)
void uart_put32u(const uint32_t num)
{
ltoa(num, tmpstr, 10);
uart_puts(tmpstr);
@ -143,7 +156,7 @@ void uart_putlu(const uint32_t num)
/** Send signed long */
void uart_putl(const int32_t num)
void uart_put32i(const int32_t num)
{
ltoa(num, tmpstr, 10);
uart_puts(tmpstr);
@ -151,7 +164,7 @@ void uart_putl(const int32_t num)
/** Send signed long as float */
void uart_putlf(const int32_t num, const uint8_t places)
void uart_put32if(const int32_t num, const uint8_t places)
{
if (num < 0) {
uart_tx('-');
@ -165,7 +178,7 @@ void uart_putlf(const int32_t num, const uint8_t places)
/** Send unsigned long as float */
void uart_putluf(const uint32_t num, const uint8_t places)
void uart_put32uf(const uint32_t num, const uint8_t places)
{
ltoa(num, tmpstr, 10);
_uart_putn(places);
@ -173,7 +186,7 @@ void uart_putluf(const uint32_t num, const uint8_t places)
/** Send signed int as float */
void uart_putif(const int16_t num, const uint8_t places)
void uart_put16if(const int16_t num, const uint8_t places)
{
if (num < 0) {
uart_tx('-');
@ -187,7 +200,7 @@ void uart_putif(const int16_t num, const uint8_t places)
/** Send unsigned int as float */
void uart_putuf(const uint16_t num, const uint8_t places)
void uart_put16uf(const uint16_t num, const uint8_t places)
{
ltoa(num, tmpstr, 10);
_uart_putn(places);

35
lib/uart.h
Unescape View File

@ -3,8 +3,8 @@
//
// Utilities for UART communication.
//
// First, init uart with desired baud rate using uart_init().
// Then, enable interrupts you want, and that's it.
// First, init uart with desired baud rate using uart_init(baud).
// Then enable interrupts you want with uart_isr_XXX().
//
#include <avr/io.h>
@ -13,6 +13,7 @@
#include <stdbool.h>
#include <stdint.h>
/** Init UART for given baudrate */
void _uart_init_do(uint16_t ubrr); // internal, needed for the macro.
#define uart_init(baud) _uart_init_do(F_CPU / 16 / (baud) - 1)
@ -64,28 +65,34 @@ void uart_puts_pgm(const char* str);
// Numbers
/** Send unsigned int */
void uart_puti(const int16_t num);
void uart_put8i(const int8_t num);
/** Send signed int */
void uart_putu(const uint16_t num);
void uart_put8u(const uint8_t num);
/** Send unsigned long */
void uart_putlu(const uint32_t num);
/** Send unsigned int */
void uart_put16i(const int16_t num);
/** Send signed long */
void uart_putl(const int32_t num);
/** Send signed int */
void uart_put16u(const uint16_t num);
/** Send signed long as float */
void uart_putlf(const int32_t num, const uint8_t places);
/** Send unsigned long */
void uart_put32u(const uint32_t num);
/** Send unsigned long as float */
void uart_putluf(const uint32_t num, const uint8_t places);
/** Send signed long */
void uart_put32i(const int32_t num);
/** Send signed int as float */
void uart_putif(const int16_t num, const uint8_t places);
void uart_put16if(const int16_t num, const uint8_t places);
/** Send unsigned int as float */
void uart_putuf(const uint16_t num, const uint8_t places);
void uart_put16uf(const uint16_t num, const uint8_t places);
/** Send signed long as float */
void uart_put32if(const int32_t num, const uint8_t places);
/** Send unsigned long as float */
void uart_put32uf(const uint32_t num, const uint8_t places);
// Extras

307
lib/uart_ansi.c
Unescape View File

@ -1,30 +1,54 @@
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <stdbool.h>
#include <stdint.h>
#include "uart.h"
#include "uart_ansi.h"
void _vt_apply_style();
void _vt_reset_attribs_do();
void _vt_style_do();
void _vt_color_do();
void vt_goto(uint16_t x, uint16_t y)
void vt_goto(uint8_t x, uint8_t y)
{
uart_putc(27);
uart_putc('[');
uart_putu(x);
uart_put8u(x);
uart_putc(';');
uart_putu(y);
uart_put8u(y);
uart_putc('H');
}
void vt_move(int16_t x, int16_t y)
void vt_goto_x(uint8_t x)
{
uart_putc(27);
uart_putc('[');
uart_put8u(x);
uart_putc('`');
}
void vt_goto_y(uint8_t y)
{
uart_putc(27);
uart_putc('[');
uart_put8u(y);
uart_putc('d');
}
void vt_move(int8_t x, int8_t y)
{
vt_move_x(x);
vt_move_y(y);
}
void vt_move_x(int16_t x)
void vt_move_x(int8_t x)
{
if (x < 0) {
vt_left(-x);
@ -34,7 +58,7 @@ void vt_move_x(int16_t x)
}
void vt_move_y(int16_t y)
void vt_move_y(int8_t y)
{
if (y < 0) {
vt_up(-y);
@ -44,47 +68,47 @@ void vt_move_y(int16_t y)
}
void vt_up(uint16_t y)
void vt_up(uint8_t y)
{
if (y == 0) return;
uart_putc(27);
uart_putc('[');
uart_putu(y);
uart_put8u(y);
uart_putc('A');
}
void vt_down(uint16_t y)
void vt_down(uint8_t y)
{
if (y == 0) return;
uart_putc(27);
uart_putc('[');
uart_putu(y);
uart_put8u(y);
uart_putc('B');
}
void vt_left(uint16_t x)
void vt_left(uint8_t x)
{
if (x == 0) return;
uart_putc(27);
uart_putc('[');
uart_putu(x);
uart_put8u(x);
uart_putc('D');
}
void vt_right(uint16_t x)
void vt_right(uint8_t x)
{
if (x == 0) return;
uart_putc(27);
uart_putc('[');
uart_putu(x);
uart_put8u(x);
uart_putc('C');
}
void vt_scroll(int16_t y)
void vt_scroll(int8_t y)
{
while (y < 0) {
uart_putc(27);
@ -100,67 +124,274 @@ void vt_scroll(int16_t y)
}
void vt_save()
void vt_scroll_set(uint8_t from, uint8_t to)
{
uart_putc(27);
uart_putc(7);
uart_putc('[');
uart_put8u(from);
uart_putc(';');
uart_put8u(to);
uart_putc('r');
}
void vt_restore()
void vt_scroll_reset()
{
uart_putc(27);
uart_putc(8);
uart_putc('[');
uart_putc('r');
}
typedef struct {
uint8_t flags;
uint8_t fg;
uint8_t bg;
} vt_style_t;
vt_style_t saved_style;
vt_style_t current_style;
void vt_save()
{
uart_puts_pgm(PSTR("\x1B[s"));
saved_style = current_style;
}
void vt_style(uint8_t flags)
void vt_restore()
{
if (flags == VT_NORMAL) {
uart_puts("\x1B[m"); // reset
return;
uart_puts_pgm(PSTR("\x1B[u"));
current_style = saved_style;
}
/** Disable all text attributes (excluding color) */
void vt_attr_reset()
{
current_style.flags = 0;
_vt_reset_attribs_do();
_vt_apply_style();
}
/** Set color to white on black */
void vt_color_reset()
{
current_style.fg = VT_WHITE;
current_style.bg = VT_BLACK;
_vt_color_do();
}
/** Enable or disable a text attribute */
void vt_attr(uint8_t attribute, bool on)
{
// flags are powers of two
// so this can handle multiple OR'd flags
for(uint8_t c = 1; c <= VT_FAINT; c *= 2) {
if (attribute & c) {
if (on) {
current_style.flags |= c;
} else {
current_style.flags &= ~c;
}
}
}
if (flags & VT_BOLD) {
uart_puts("\x1B[1m");
_vt_apply_style();
}
/** Send style and color commands */
void _vt_apply_style()
{
_vt_reset_attribs_do();
_vt_style_do();
_vt_color_do();
}
/** Set color 0..7 */
void vt_color(uint8_t fg, uint8_t bg)
{
current_style.fg = fg;
current_style.bg = bg;
_vt_color_do();
}
/** Set FG color 0..7 */
void vt_color_fg(uint8_t fg)
{
current_style.fg = fg;
_vt_color_do();
}
/** Set BG color 0..7 */
void vt_color_bg(uint8_t bg)
{
current_style.bg = bg;
_vt_color_do();
}
/** Send reset command */
inline void _vt_reset_attribs_do()
{
uart_puts_pgm(PSTR("\x1B[m")); // reset
}
/** Send commands for text attribs */
void _vt_style_do()
{
if (current_style.flags & VT_BOLD) {
uart_puts_pgm(PSTR("\x1B[1m"));
}
if (current_style.flags & VT_FAINT) {
uart_puts_pgm(PSTR("\x1B[2m"));
}
if (flags & VT_UNDERLINE) {
uart_puts("\x1B[4m");
if (current_style.flags & VT_ITALIC) {
uart_puts_pgm(PSTR("\x1B[3m"));
}
if (flags & VT_BLINK) {
uart_puts("\x1B[5m");
if (current_style.flags & VT_UNDERLINE) {
uart_puts_pgm(PSTR("\x1B[4m"));
}
if (flags & VT_REVERSE) {
uart_puts("\x1B[7m");
if (current_style.flags & VT_BLINK) {
uart_puts_pgm(PSTR("\x1B[5m"));
}
if (flags & VT_HIDDEN) {
uart_puts("\x1B[8m");
if (current_style.flags & VT_REVERSE) {
uart_puts_pgm(PSTR("\x1B[7m"));
}
}
void vt_color(uint8_t fg, uint8_t bg)
/** Send commands for xolor */
void _vt_color_do()
{
uart_putc(27);
uart_putc('[');
uart_putu(fg);
uart_put8u(30 + current_style.fg);
uart_putc(';');
uart_putu(bg);
uart_put8u(40 + current_style.bg);
uart_putc('m');
}
/** Insert blank lines febore the current line */
void vt_insert_lines(uint8_t count)
{
uart_putc(27);
uart_putc('[');
uart_put8u(count);
uart_putc('L');
}
/** Delete lines from the current line down */
void vt_delete_lines(uint8_t count)
{
uart_putc(27);
uart_putc('[');
uart_put8u(count);
uart_putc('M');
}
/** Insert empty characters at cursor */
void vt_insert_chars(uint8_t count)
{
uart_putc(27);
uart_putc('[');
uart_put8u(count);
uart_putc('@');
}
/** Delete characters at cursor */
void vt_delete_chars(uint8_t count)
{
uart_putc(27);
uart_putc('[');
uart_put8u(count);
uart_putc('P');
}
void vt_clear()
{
uart_puts("\x1B[2J");
uart_puts_pgm(PSTR("\x1B[2J"));
}
void vt_erase_forth()
{
uart_puts_pgm(PSTR("\x1B[K"));
}
void vt_erase_back()
{
uart_puts_pgm(PSTR("\x1B[1K"));
}
void vt_erase_line()
{
uart_puts_pgm(PSTR("\x1B[2K"));
}
void vt_erase_above()
{
uart_puts_pgm(PSTR("\x1B[1J"));
}
void vt_erase_below()
{
uart_puts_pgm(PSTR("\x1B[J"));
}
void vt_home()
{
uart_puts("\x1B[H");
uart_puts_pgm(PSTR("\x1B[H"));
}
/** Initialize helper variables */
void vt_init()
{
vt_reset();
}
/** Reset state and clear screen */
void vt_reset()
{
// reset color and attributes
vt_color_reset();
vt_attr_reset();
vt_scroll_reset();
// clear screen
vt_clear();
// go to top left
vt_home();
// overwrite saved state
vt_save();
}

142
lib/uart_ansi.h
Unescape View File

@ -3,60 +3,162 @@
//
// ANSI / VT100 utilities for UART
//
// To use this, first call uart_init(baud) and vt_init()
// To print stuff on the screen, use uart_puts() etc from uart.h
//
#include <avr/io.h>
#include <stdbool.h>
#include <stdint.h>
#include "uart.h"
#define VT_NORMAL 0
#define VT_BOLD 1
#define VT_UNDERLINE 2
#define VT_BLINK 4
#define VT_REVERSE 8
#define VT_HIDDEN 16
// INIT
/** Initialize helper variables */
void vt_init();
/** Reset state and clear screen */
void vt_reset();
// CURSOR MOVE
/** Move cursor to top left corner */
void vt_home();
/** Jump to a location on the screen */
void vt_goto(uint16_t x, uint16_t y);
void vt_goto(uint8_t x, uint8_t y);
/** Jump to given X, keep Y */
void vt_goto_x(uint8_t x);
/** Jump to given Y, keep X */
void vt_goto_y(uint8_t y);
/** Move cursor relative to current location */
void vt_move(int16_t x, int16_t y);
void vt_move(int8_t x, int8_t y);
/** Move cursor horizontally */
void vt_move_x(int16_t x);
void vt_move_x(int8_t x);
/** Move cursor vertically */
void vt_move_y(int16_t y);
void vt_move_y(int8_t y);
/** Move cursor up y cells */
void vt_up(uint16_t y);
void vt_up(uint8_t y);
/** Move cursor down y cells */
void vt_down(uint16_t y);
void vt_down(uint8_t y);
/** Move cursor left x cells */
void vt_left(uint16_t x);
void vt_left(uint8_t x);
/** Move cursor right x cells */
void vt_right(uint16_t x);
void vt_right(uint8_t x);
// SCROLLING
/** Scroll y lines down (like up/down, but moves window if needed) */
void vt_scroll(int16_t down);
void vt_scroll(int8_t down);
/** Set scrolling region (lines) */
void vt_scroll_set(uint8_t from, uint8_t to);
/** Set font style */
void vt_style(uint8_t flags);
/** Sets scrolling region to the entire screen. */
void vt_scroll_reset();
/** Set color */
// COLOR
#define VT_BLACK 0
#define VT_RED 1
#define VT_GREEN 2
#define VT_YELLOW 3
#define VT_BLUE 4
#define VT_MAGENTA 5
#define VT_CYAN 6
#define VT_WHITE 7
/** Set color 0..7 */
void vt_color(uint8_t fg, uint8_t bg);
/** Set FG color 0..7 */
void vt_color_fg(uint8_t fg);
/** Set BG color 0..7 */
void vt_color_bg(uint8_t bg);
/** Set color to white on black */
void vt_color_reset();
// STYLES
#define VT_BOLD 1
#define VT_UNDERLINE 2
#define VT_BLINK 4
#define VT_REVERSE 8
#define VT_ITALIC 16
#define VT_FAINT 32
/** Enable or disable a text attribute */
void vt_attr(uint8_t attribute, bool on);
/** Disable all text attributes (excluding color) */
void vt_attr_reset();
// SAVE & RESTORE
/** Save cursor position & text attributes */
void vt_save();
/** Restore cursor to saved values */
void vt_restore();
// MODIFY
/** Insert blank lines febore the current line */
void vt_insert_lines(uint8_t count);
/** Delete lines from the current line down */
void vt_delete_lines(uint8_t count);
/** Insert empty characters at cursor */
void vt_insert_chars(uint8_t count);
/** Delete characters at cursor */
void vt_delete_chars(uint8_t count);
// ERASING
/** Clear the screen */
void vt_clear();
/** Move cursor to top left corner */
void vt_home();
/** Erase to the end of line */
void vt_erase_forth();
/** Erase line to cursor */
void vt_erase_back();
/** Erase entire line */
void vt_erase_line();
/** Erase screen below the line */
void vt_erase_above();
/** Erase screen above the line */
void vt_erase_below();

Write Preview
Loading…
Cancel
Save