From: Nils Faerber <nils.faerber@kernelconcepts.de>
Date: Tue, 19 Mar 2013 19:24:35 +0000 (+0100)
Subject: add missing files
X-Git-Url: https://git.karo-electronics.de/?p=oswald.git;a=commitdiff_plain;h=dff6532fd5dbbd4a6c2f0fff2c428201b225c529

add missing files
---

diff --git a/ui/embedvm.c b/ui/embedvm.c
new file mode 100644
index 0000000..88ec457
--- /dev/null
+++ b/ui/embedvm.c
@@ -0,0 +1,311 @@
+/*
+ *  EmbedVM - Embedded Virtual Machine for uC Applications
+ *
+ *  Copyright (C) 2011  Clifford Wolf <clifford@clifford.at>
+ *  
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *  
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "embedvm.h"
+
+static inline int16_t signext(uint16_t val, uint16_t mask)
+{
+	val = val & mask;
+	if ((val & ~(mask >> 1)) != 0)
+		val |= ~mask;
+	return val;
+}
+
+extern void embedvm_exec(struct embedvm_s *vm)
+{
+	uint8_t opcode = vm->mem_read(vm->ip, false, vm->user_ctx);
+	uint16_t addr = 0;
+	int16_t a = 0, b = 0;
+	int8_t sfa = 0;
+
+	switch (opcode)
+	{
+	case 0x00 ... 0x3f:
+		sfa = signext(opcode, 0x3f);
+		embedvm_push(vm, embedvm_local_read(vm, sfa));
+		vm->ip++;
+		break;
+	case 0x40 ... 0x7f:
+		sfa = signext(opcode, 0x3f);
+		embedvm_local_write(vm, sfa, embedvm_pop(vm));
+		vm->ip++;
+		break;
+	case 0x80+0 ... 0x80+11:
+	case 0xa8+0 ... 0xa8+5:
+		b = embedvm_pop(vm);
+	case 0x80+12 ... 0x80+14:
+		a = embedvm_pop(vm);
+		switch (opcode)
+		{
+			case 0x80 +  0: embedvm_push(vm, a + b);  break;
+			case 0x80 +  1: embedvm_push(vm, a - b);  break;
+			case 0x80 +  2: embedvm_push(vm, a * b);  break;
+			case 0x80 +  3: embedvm_push(vm, a / b);  break;
+			case 0x80 +  4: embedvm_push(vm, a % b);  break;
+			case 0x80 +  5: embedvm_push(vm, a << b); break;
+			case 0x80 +  6: embedvm_push(vm, a >> b); break;
+			case 0x80 +  7: embedvm_push(vm, a & b);  break;
+			case 0x80 +  8: embedvm_push(vm, a | b);  break;
+			case 0x80 +  9: embedvm_push(vm, a ^ b);  break;
+			case 0x80 + 10: embedvm_push(vm, a && b); break;
+			case 0x80 + 11: embedvm_push(vm, a || b); break;
+			case 0x80 + 12: embedvm_push(vm, ~a);     break;
+			case 0x80 + 13: embedvm_push(vm, -a);     break;
+			case 0x80 + 14: embedvm_push(vm, !a);     break;
+			case 0xa8 +  0: embedvm_push(vm, a <  b); break;
+			case 0xa8 +  1: embedvm_push(vm, a <= b); break;
+			case 0xa8 +  2: embedvm_push(vm, a == b); break;
+			case 0xa8 +  3: embedvm_push(vm, a != b); break;
+			case 0xa8 +  4: embedvm_push(vm, a >= b); break;
+			case 0xa8 +  5: embedvm_push(vm, a >  b); break;
+			
+		}
+		vm->ip++;
+		break;
+	case 0x90 ... 0x97:
+		a = signext(opcode, 0x07);
+		if ((a & 0x04) != 0)
+			a |= ~0x07;
+		embedvm_push(vm, a);
+		vm->ip++;
+		break;
+	case 0x98:
+		a = vm->mem_read(vm->ip+1, false, vm->user_ctx) & 0x00ff;
+		embedvm_push(vm, a);
+		vm->ip += 2;
+		break;
+	case 0x99:
+		a = vm->mem_read(vm->ip+1, false, vm->user_ctx) & 0x00ff;
+		embedvm_push(vm, signext(a, 0x00ff));
+		vm->ip += 2;
+		break;
+	case 0x9a:
+		a = vm->mem_read(vm->ip+1, true, vm->user_ctx);
+		embedvm_push(vm, a);
+		vm->ip += 3;
+		break;
+	case 0x9b:
+		a = embedvm_pop(vm);
+		if (0) {
+	case 0x9c:
+			a = 0;
+		}
+		vm->sp = vm->sfp;
+		vm->ip = embedvm_pop(vm);
+		vm->sfp = embedvm_pop(vm);
+		if ((vm->sfp & 1) != 0)
+			vm->sfp &= ~1;
+		else
+			embedvm_push(vm, a);
+		break;
+	case 0x9d:
+		embedvm_pop(vm);
+		vm->ip++;
+		break;
+	case 0x9e:
+		addr = embedvm_pop(vm);
+		if (vm->mem_read(vm->ip+1, false, vm->user_ctx) == 0x9d) {
+			embedvm_push(vm, vm->sfp | 1);
+			embedvm_push(vm, vm->ip + 2);
+		} else {
+			embedvm_push(vm, vm->sfp);
+			embedvm_push(vm, vm->ip + 1);
+		}
+		vm->sfp = vm->sp;
+		vm->ip = addr;
+		break;
+	case 0x9f:
+		vm->ip = embedvm_pop(vm);
+		break;
+	case 0xa0 ... 0xa0+7:
+		if ((opcode & 1) == 0) {
+			addr = vm->ip + signext(vm->mem_read(vm->ip+1, false, vm->user_ctx), 0x00ff);
+			vm->ip += 2;
+		} else {
+			addr = vm->ip + vm->mem_read(vm->ip+1, true, vm->user_ctx);
+			vm->ip += 3;
+		}
+		switch (opcode)
+		{
+		case 0xa0:
+		case 0xa1:
+			vm->ip = addr;
+			break;
+		case 0xa2:
+		case 0xa3:
+			if (vm->mem_read(vm->ip, false, vm->user_ctx) == 0x9d) {
+				embedvm_push(vm, vm->sfp | 1);
+				embedvm_push(vm, vm->ip + 1);
+			} else {
+				embedvm_push(vm, vm->sfp);
+				embedvm_push(vm, vm->ip);
+			}
+			vm->sfp = vm->sp;
+			vm->ip = addr;
+			break;
+		case 0xa4:
+		case 0xa5:
+			if (embedvm_pop(vm))
+				vm->ip = addr;
+			break;
+		case 0xa6:
+		case 0xa7:
+			if (!embedvm_pop(vm))
+				vm->ip = addr;
+			break;
+		}
+		break;
+	case 0xae:
+		embedvm_push(vm, vm->sp);
+		vm->ip++;
+		break;
+	case 0xaf:
+		embedvm_push(vm, vm->sfp);
+		vm->ip++;
+		break;
+	case 0xb0 ... 0xb0+15:
+		{
+			uint8_t argc = embedvm_pop(vm);
+			int16_t argv[argc];
+			for (sfa=0; sfa<argc; sfa++)
+				argv[sfa] = embedvm_pop(vm);
+			a = vm->call_user(opcode - 0xb0, argc, argv, vm->user_ctx);
+			embedvm_push(vm, a);
+		}
+		vm->ip++;
+		break;
+	case 0xc0 ... 0xef:
+		if ((opcode & 0x07) == 5) {
+			/* this is a "bury" instruction */
+			uint8_t depth = (opcode >> 3) & 0x07;
+			int16_t stack[depth+1];
+			for (sfa = 0; sfa <= depth; sfa++)
+				stack[sfa] = embedvm_pop(vm);
+			embedvm_push(vm, stack[0]);
+			for (sfa = depth; sfa > 0; sfa--)
+				embedvm_push(vm, stack[sfa]);
+			embedvm_push(vm, stack[0]);
+			vm->ip++;
+			break;
+		}
+		if ((opcode & 0x07) == 6) {
+			/* this is a "dig" instruction */
+			uint8_t depth = (opcode >> 3) & 0x07;
+			int16_t stack[depth+2];
+			for (sfa = 0; sfa < depth+2; sfa++)
+				stack[sfa] = embedvm_pop(vm);
+			for (sfa = depth+1; sfa > 0; sfa--)
+				embedvm_push(vm, stack[sfa-1]);
+			embedvm_push(vm, stack[depth+1]);
+			vm->ip++;
+			break;
+		}
+		sfa = ((opcode >> 3) & 0x07) == 4 || ((opcode >> 3) & 0x07) == 5 ? 1 : 0;
+		switch (opcode & 0x07)
+		{
+		case 0:
+			addr = vm->mem_read(vm->ip+1, false, vm->user_ctx) & 0x00ff;
+			vm->ip += 2;
+			break;
+		case 1:
+			addr = vm->mem_read(vm->ip+1, true, vm->user_ctx);
+			vm->ip += 3;
+			break;
+		case 2:
+			addr = embedvm_pop(vm);
+			vm->ip++;
+			break;
+		case 3:
+			addr = (embedvm_pop(vm) << sfa) + (vm->mem_read(vm->ip+1, false, vm->user_ctx) & 0x00ff);
+			vm->ip += 2;
+			break;
+		case 4:
+			addr = (embedvm_pop(vm) << sfa) + vm->mem_read(vm->ip+1, true, vm->user_ctx);
+			vm->ip += 3;
+			break;
+		}
+		switch ((opcode >> 3) & 0x07)
+		{
+		case 0:
+			embedvm_push(vm, vm->mem_read(addr, false, vm->user_ctx) & 0x00ff);
+			break;
+		case 1:
+			vm->mem_write(addr, embedvm_pop(vm), false, vm->user_ctx);
+			break;
+		case 2:
+			embedvm_push(vm, signext(vm->mem_read(addr, false, vm->user_ctx), 0x00ff));
+			break;
+		case 3:
+			vm->mem_write(addr, embedvm_pop(vm), false, vm->user_ctx);
+			break;
+		case 4:
+			embedvm_push(vm, vm->mem_read(addr, true, vm->user_ctx));
+			break;
+		case 5:
+			vm->mem_write(addr, embedvm_pop(vm), true, vm->user_ctx);
+			break;
+		}
+		break;
+	case 0xf0 ... 0xf7:
+		for (sfa = 0; sfa <= (opcode & 0x07); sfa++)
+			embedvm_push(vm, 0);
+		vm->ip++;
+		break;
+	case 0xf8 ... 0xff:
+		a = embedvm_pop(vm);
+		vm->sp += 2 + 2*(opcode & 0x07);
+		embedvm_push(vm, a);
+		vm->ip++;
+		break;
+	}
+}
+
+void embedvm_interrupt(struct embedvm_s *vm, uint16_t addr)
+{
+	embedvm_push(vm, vm->sfp | 1);
+	embedvm_push(vm, vm->ip);
+	vm->sfp = vm->sp;
+	vm->ip = addr;
+}
+
+int16_t embedvm_pop(struct embedvm_s *vm)
+{
+	int16_t value = vm->mem_read(vm->sp, true, vm->user_ctx);
+	vm->sp += 2;
+	return value;
+}
+
+void embedvm_push(struct embedvm_s *vm, int16_t value)
+{
+	vm->sp -= 2;
+	vm->mem_write(vm->sp, value, true, vm->user_ctx);
+}
+
+int16_t embedvm_local_read(struct embedvm_s *vm, int8_t sfa)
+{
+	uint16_t addr = vm->sfp - 2*sfa + (sfa < 0 ? +2 : -2);
+	return vm->mem_read(addr, true, vm->user_ctx);
+}
+
+void embedvm_local_write(struct embedvm_s *vm, int8_t sfa, int16_t value)
+{
+	uint16_t addr = vm->sfp - 2*sfa + (sfa < 0 ? +2 : -2);
+	vm->mem_write(addr, value, true, vm->user_ctx);
+}
+
diff --git a/ui/embedvm.h b/ui/embedvm.h
new file mode 100644
index 0000000..1381b24
--- /dev/null
+++ b/ui/embedvm.h
@@ -0,0 +1,53 @@
+/*
+ *  EmbedVM - Embedded Virtual Machine for uC Applications
+ *
+ *  Copyright (C) 2011  Clifford Wolf <clifford@clifford.at>
+ *  
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *  
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#ifndef EMBEDVM_H
+#define EMBEDVM_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+struct embedvm_s
+{
+	uint16_t ip, sp, sfp;
+	void *user_ctx;
+
+	int16_t (*mem_read)(uint16_t addr, bool is16bit, void *ctx);
+	void (*mem_write)(uint16_t addr, int16_t value, bool is16bit, void *ctx);
+	int16_t (*call_user)(uint8_t funcid, uint8_t argc, int16_t *argv, void *ctx);
+};
+
+extern void embedvm_exec(struct embedvm_s *vm);
+extern void embedvm_interrupt(struct embedvm_s *vm, uint16_t addr);
+
+int16_t embedvm_pop(struct embedvm_s *vm);
+void embedvm_push(struct embedvm_s *vm, int16_t value);
+
+int16_t embedvm_local_read(struct embedvm_s *vm, int8_t sfa);
+void embedvm_local_write(struct embedvm_s *vm, int8_t sfa, int16_t value);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/ui/oswald_fonts.c b/ui/oswald_fonts.c
new file mode 100644
index 0000000..762c3c5
--- /dev/null
+++ b/ui/oswald_fonts.c
@@ -0,0 +1,40 @@
+#include "oswald_fonts.h"
+
+#include "fonts/4x6_horizontal_LSB_1.h"
+#include "fonts/5x8_horizontal_LSB_1.h"
+#include "fonts/5x12_horizontal_LSB_1.h"
+#include "fonts/6x8_horizontal_LSB_1.h"
+#include "fonts/6x10_horizontal_LSB_1.h"
+#include "fonts/7x12b_horizontal_LSB_1.h"
+#include "fonts/7x12_horizontal_LSB_1.h"
+#include "fonts/8x8_horizontal_LSB_1.h"
+#include "fonts/8x12_horizontal_LSB_1.h"
+#include "fonts/8x14_horizontal_LSB_1.h"
+#include "fonts/10x16_horizontal_LSB_1.h"
+#include "fonts/12x16_horizontal_LSB_1.h"
+#include "fonts/12x20_horizontal_LSB_1.h"
+#include "fonts/16x26_horizontal_LSB_1.h"
+#include "fonts/22x36_horizontal_LSB_1.h"
+#include "fonts/24x40_horizontal_LSB_1.h"
+#include "fonts/32x53_horizontal_LSB_1.h"
+
+const oswald_font oswald_fonts[LAST_FONT] = {
+	{ 4, 6, (char **)font_4x6},
+	{ 5, 8, (char **)font_5x8},
+	{ 5, 12, (char **)font_5x12},
+	{ 6, 8, (char **)font_6x8},
+	{ 6, 10, (char **)font_6x10},
+	{ 7, 12, (char **)font_7x12},
+	{ 7, 12, (char **)font_7x12b},
+	{ 8, 8, (char **)font_8x8},
+	{ 8, 12, (char **)font_8x12},
+	{ 8, 14, (char **)font_8x14},
+	{ 10, 16, (char **)font_10x16},
+	{ 12, 16, (char **)font_12x16},
+	{ 12, 20, (char **)font_12x20},
+	{ 16, 26, (char **)font_16x26},
+	{ 22, 36, (char **)font_22x36},
+	{ 24, 40, (char **)font_24x40},
+	{ 32, 53, (char **)font_32x53},
+};
+
diff --git a/ui/oswald_fonts.h b/ui/oswald_fonts.h
new file mode 100644
index 0000000..0f590c4
--- /dev/null
+++ b/ui/oswald_fonts.h
@@ -0,0 +1,35 @@
+#ifndef _FONTS_H
+#define _FONTS_H
+
+#include "oswald.h"
+
+typedef enum {
+	FONT_4x6 = 0,
+	FONT_5x8,
+	FONT_5x12,
+	FONT_6x8,
+	FONT_6x10,
+	FONT_7x12b,
+	FONT_7x12,
+	FONT_8x8,
+	FONT_8x12,
+	FONT_8x14,
+	FONT_10x16,
+	FONT_12x16,
+	FONT_12x20,
+	FONT_16x26,
+	FONT_22x36,
+	FONT_24x40,
+	FONT_32x53,
+	LAST_FONT
+} oswald_font_face;
+
+typedef struct {
+	u8t width;
+	u8t height;
+	char **data;
+} oswald_font;
+
+extern const oswald_font oswald_fonts[];
+
+#endif
diff --git a/ui/oswald_graphics.c b/ui/oswald_graphics.c
new file mode 100644
index 0000000..36894ab
--- /dev/null
+++ b/ui/oswald_graphics.c
@@ -0,0 +1,172 @@
+#include "oswald-ui.h"
+#include "oswald_strings.h"
+#include "oswald_fonts.h"
+
+#include "oswald_graphics.h"
+
+
+void oswald_draw_Line(u8t xstart, u8t ystart, u8t xend, u8t yend)
+{
+	int x, y, t, dx, dy, incx, incy, pdx, pdy, ddx, ddy, es, el, err;
+ 
+	dx = xend - xstart;
+	dy = yend - ystart;
+ 
+	incx = (dx >= 0) ? 1 : -1;
+	incy = (dy >= 0) ? 1 : -1;
+
+	if (dx<0)
+		dx = -dx;
+	if (dy<0)
+		dy = -dy;
+ 
+	if (dx>dy) {
+		pdx = incx; pdy = 0;
+		ddx=incx; ddy=incy;
+		es =dy;   el =dx;
+	} else {
+		pdx=0;    pdy=incy;
+		ddx=incx; ddy=incy;
+		es =dx;   el =dy;
+	}
+ 
+	x = xstart;
+	y = ystart;
+	err = el/2;
+	lcd_set_pixel(x, y, TRUE);
+ 
+	for (t = 0; t < el; ++t) {
+		err -= es; 
+		if (err < 0) {
+			err += el;
+			x += ddx;
+			y += ddy;
+		} else {
+			x += pdx;
+			y += pdy;
+		}
+		lcd_set_pixel(x, y, TRUE);
+	}
+	lcd_update_display();
+}
+
+void oswald_draw_line_ww(u8t xstart, u8t ystart, u8t xend, u8t yend, u8t thickness)
+{
+	int i, x, y, t, dx, dy, incx, incy, pdx, pdy, ddx, ddy, es, el, err;
+ 
+	dx = xend - xstart;
+	dy = yend - ystart;
+ 
+	incx = (dx >= 0) ? 1 : -1;
+	incy = (dy >= 0) ? 1 : -1;
+
+	if (dx<0)
+		dx = -dx;
+	if (dy<0)
+		dy = -dy;
+ 
+	if (dx>dy) {
+		pdx = incx; pdy = 0;
+		ddx=incx; ddy=incy;
+		es =dy;   el =dx;
+	} else {
+		pdx=0;    pdy=incy;
+		ddx=incx; ddy=incy;
+		es =dx;   el =dy;
+	}
+ 
+	x = xstart;
+	y = ystart;
+	err = el/2;
+	lcd_set_pixel(x, y, TRUE);
+	for (i=1; i<thickness; i++) {
+		lcd_set_pixel(x-i, y, TRUE);
+		lcd_set_pixel(x+i, y, TRUE);
+		lcd_set_pixel(x, y-i, TRUE);
+		lcd_set_pixel(x, y+i, TRUE);
+	}
+ 
+	for (t = 0; t < el; ++t) {
+		err -= es; 
+		if (err < 0) {
+			err += el;
+			x += ddx;
+			y += ddy;
+		} else {
+			x += pdx;
+			y += pdy;
+		}
+		lcd_set_pixel(x, y, TRUE);
+		for (i=1; i<thickness; i++) {
+			lcd_set_pixel(x-i, y, TRUE);
+			lcd_set_pixel(x+i, y, TRUE);
+			lcd_set_pixel(x, y-i, TRUE);
+			lcd_set_pixel(x, y+i, TRUE);
+		}
+	}
+	lcd_update_display();
+}
+
+u8t oswald_write_character(u8t x, u8t y, oswald_font_face face, u8t Character)
+{
+#if 0
+	u8t CharacterHeight = GetCharacterHeight();
+	u8t CharacterWidth = GetCharacterWidth(Character);
+	u16t bitmap[MAX_FONT_ROWS];
+	register lx, ly;
+
+	GetCharacterBitmap(Character, bitmap);
+
+	// printf("cw=%d ch=%d\n", CharacterWidth, CharacterHeight);
+	for (ly=0; ly<CharacterHeight; ly++) {
+		for (lx=0; lx<CharacterWidth; lx++) {
+			if (bitmap[ly] & (1<<lx)) {
+				lcd_set_pixel(lx+x, ly+y, TRUE);
+				// printf(".");
+			} else {
+				lcd_set_pixel(lx+x, ly+y, FALSE);
+				// printf(" ");
+			}
+		}
+		// printf("\n");
+	}
+
+	return CharacterWidth + GetFontSpacing();
+#endif
+	char *cdata = oswald_fonts[face].data[Character];
+
+	dbg_out("%c", cdata[1]);
+	return 0;
+}
+
+void oswald_write_string(u8t x, u8t y, oswald_font_face face, u8t *str)
+{
+	register lx, i, strl;
+
+	strl = oswald_strlen(str);
+	if (strl == 0)
+		return;
+
+	lx = x;
+	for (i=0; i<strl; i++) {
+		lx += WriteLcdCharacter(lx, y, str[i]);
+	}
+}
+
+
+void oswald_Write_number(u8t x, u8t y, oswald_font_face face, s16t number)
+{
+	register lx, i, strl;
+	u8t str[8];
+
+	itoa(number, str, 10);
+	strl = oswald_strlen(str);
+	if (strl == 0)
+		return;
+
+	lx = x;
+	for (i=0; i<strl; i++) {
+		lx += WriteLcdCharacter(lx, y, str[i]);
+	}
+}
+
diff --git a/ui/oswald_graphics.h b/ui/oswald_graphics.h
new file mode 100644
index 0000000..45c9941
--- /dev/null
+++ b/ui/oswald_graphics.h
@@ -0,0 +1,21 @@
+#ifndef _OSWALD_GRAPHICS_H
+#define _OSWALD_GRAPHICS_H
+
+#include "oswald.h"
+#include "oswald_strings.h"
+#include "oswald_fonts.h"
+
+#include "oswald_graphics.h"
+
+
+void oswald_draw_Line(u8t xstart, u8t ystart, u8t xend, u8t yend);
+
+void oswald_draw_line_ww(u8t xstart, u8t ystart, u8t xend, u8t yend, u8t thickness);
+
+u8t oswald_write_character(u8t x, u8t y, oswald_font_face face, u8t Character);
+
+void oswald_write_string(u8t x, u8t y, oswald_font_face face, u8t *str);
+
+void oswald_Write_number(u8t x, u8t y, oswald_font_face face, s16t number);
+
+#endif