WebSVN – DashDisplay – Blame – /branches/Dashboard_L152/SSD1306_lib/Font.c

Rev	Author	Line No.	Line
2	mjames	1	/*
		2	* Font.c
		3
		4	*
		5	* Created on: 20 Dec 2015
		6	* Author: Mike
		7	*/
		8	#include <stdint.h>
		9	#include <string.h>
		10	#include "ap_math.h"
		11	#include "SSD1306.h"
		12
		13
		14
		15	#include "ascii-lucida.h"
		16
		17
		18	uint8_t cursor_x;
		19	uint8_t cursor_y;
		20
		21
		22	#include "Font.h"
		23	/*
		24	* display text using a 5x7 bitmap font in ASCII letters
		25	*/
		26	static unsigned char font [] [5] = {
		27	{ 0x00,0x00,0x00,0x00,0x00 }, // 0x20 32
		28	{ 0x00,0x00,0x6f,0x00,0x00 }, // ! 0x21 33
		29	{ 0x00,0x07,0x00,0x07,0x00 }, // " 0x22 34
		30	{ 0x14,0x7f,0x14,0x7f,0x14 }, // # 0x23 35
		31	// { 0x00,0x07,0x04,0x1e,0x00 }, // $ 0x24 36
		32	{0x2e, 0x2a, 0xff, 0x2a, 0x3a},
		33	{ 0x23,0x13,0x08,0x64,0x62 }, // % 0x25 37
		34	{ 0x36,0x49,0x56,0x20,0x50 }, // & 0x26 38
		35	{ 0x00,0x00,0x07,0x00,0x00 }, // ' 0x27 39
		36	{ 0x00,0x1c,0x22,0x41,0x00 }, // ( 0x28 40
		37	{ 0x00,0x41,0x22,0x1c,0x00 }, // ) 0x29 41
		38	{ 0x14,0x08,0x3e,0x08,0x14 }, // * 0x2a 42
		39	{ 0x08,0x08,0x3e,0x08,0x08 }, // + 0x2b 43
		40	{ 0x00,0x50,0x30,0x00,0x00 }, // , 0x2c 44
		41	{ 0x08,0x08,0x08,0x08,0x08 }, // - 0x2d 45
		42	{ 0x00,0x60,0x60,0x00,0x00 }, // . 0x2e 46
		43	{ 0x20,0x10,0x08,0x04,0x02 }, // / 0x2f 47
		44	{ 0x3e,0x51,0x49,0x45,0x3e }, // 0 0x30 48
		45	{ 0x00,0x42,0x7f,0x40,0x00 }, // 1 0x31 49
		46	{ 0x42,0x61,0x51,0x49,0x46 }, // 2 0x32 50
		47	{ 0x21,0x41,0x45,0x4b,0x31 }, // 3 0x33 51
		48	{ 0x18,0x14,0x12,0x7f,0x10 }, // 4 0x34 52
		49	{ 0x27,0x45,0x45,0x45,0x39 }, // 5 0x35 53
		50	{ 0x3c,0x4a,0x49,0x49,0x30 }, // 6 0x36 54
		51	{ 0x01,0x71,0x09,0x05,0x03 }, // 7 0x37 55
		52	{ 0x36,0x49,0x49,0x49,0x36 }, // 8 0x38 56
		53	{ 0x06,0x49,0x49,0x29,0x1e }, // 9 0x39 57
		54	{ 0x00,0x36,0x36,0x00,0x00 }, // : 0x3a 58
		55	{ 0x00,0x56,0x36,0x00,0x00 }, // ; 0x3b 59
		56	{ 0x08,0x14,0x22,0x41,0x00 }, // < 0x3c 60
		57	{ 0x14,0x14,0x14,0x14,0x14 }, // = 0x3d 61
		58	{ 0x00,0x41,0x22,0x14,0x08 }, // > 0x3e 62
		59	{ 0x02,0x01,0x51,0x09,0x06 }, // ? 0x3f 63
		60	{ 0x3e,0x41,0x5d,0x49,0x4e }, // @ 0x40 64
		61	{ 0x7e,0x09,0x09,0x09,0x7e }, // A 0x41 65
		62	{ 0x7f,0x49,0x49,0x49,0x36 }, // B 0x42 66
		63	{ 0x3e,0x41,0x41,0x41,0x22 }, // C 0x43 67
		64	{ 0x7f,0x41,0x41,0x41,0x3e }, // D 0x44 68
		65	{ 0x7f,0x49,0x49,0x49,0x41 }, // E 0x45 69
		66	{ 0x7f,0x09,0x09,0x09,0x01 }, // F 0x46 70
		67	{ 0x3e,0x41,0x49,0x49,0x7a }, // G 0x47 71
		68	{ 0x7f,0x08,0x08,0x08,0x7f }, // H 0x48 72
		69	{ 0x00,0x41,0x7f,0x41,0x00 }, // I 0x49 73
		70	{ 0x20,0x40,0x41,0x3f,0x01 }, // J 0x4a 74
		71	{ 0x7f,0x08,0x14,0x22,0x41 }, // K 0x4b 75
		72	{ 0x7f,0x40,0x40,0x40,0x40 }, // L 0x4c 76
		73	{ 0x7f,0x02,0x0c,0x02,0x7f }, // M 0x4d 77
		74	{ 0x7f,0x04,0x08,0x10,0x7f }, // N 0x4e 78
		75	{ 0x3e,0x41,0x41,0x41,0x3e }, // O 0x4f 79
		76	{ 0x7f,0x09,0x09,0x09,0x06 }, // P 0x50 80
		77	{ 0x3e,0x41,0x51,0x21,0x5e }, // Q 0x51 81
		78	{ 0x7f,0x09,0x19,0x29,0x46 }, // R 0x52 82
		79	{ 0x46,0x49,0x49,0x49,0x31 }, // S 0x53 83
		80	{ 0x01,0x01,0x7f,0x01,0x01 }, // T 0x54 84
		81	{ 0x3f,0x40,0x40,0x40,0x3f }, // U 0x55 85
		82	{ 0x0f,0x30,0x40,0x30,0x0f }, // V 0x56 86
		83	{ 0x3f,0x40,0x30,0x40,0x3f }, // W 0x57 87
		84	{ 0x63,0x14,0x08,0x14,0x63 }, // X 0x58 88
		85	{ 0x07,0x08,0x70,0x08,0x07 }, // Y 0x59 89
		86	{ 0x61,0x51,0x49,0x45,0x43 }, // Z 0x5a 90
		87	// { 0x3c,0x4a,0x49,0x29,0x1e }, // [ 0x5b 91
		88	{ 0x00,0x00,0x7f,0x41,0x00 },
		89	{ 0x02,0x04,0x08,0x10,0x20 }, // \ 0x5c 92
		90	{ 0x00,0x41,0x7f,0x00,0x00 }, // ] 0x5d 93
		91	{ 0x04,0x02,0x01,0x02,0x04 }, // ^ 0x5e 94
		92	{ 0x40,0x40,0x40,0x40,0x40 }, // _ 0x5f 95
		93	{ 0x00,0x00,0x03,0x04,0x00 }, // ` 0x60 96
		94	{ 0x20,0x54,0x54,0x54,0x78 }, // a 0x61 97
		95	{ 0x7f,0x48,0x44,0x44,0x38 }, // b 0x62 98
		96	// { 0x38,0x44,0x44,0x44,0x20 }, // c 0x63 99
		97	{ 0x38,0x44,0x44,0x44,0x44 },
		98	{ 0x38,0x44,0x44,0x48,0x7f }, // d 0x64 100
		99	{ 0x38,0x54,0x54,0x54,0x18 }, // e 0x65 101
		100	{ 0x08,0x7e,0x09,0x01,0x02 }, // f 0x66 102
		101	{ 0x0c,0x52,0x52,0x52,0x3e }, // g 0x67 103
		102	{ 0x7f,0x08,0x04,0x04,0x78 }, // h 0x68 104
		103	{ 0x00,0x44,0x7d,0x40,0x00 }, // i 0x69 105
		104	{ 0x20,0x40,0x44,0x3d,0x00 }, // j 0x6a 106
		105	{ 0x00,0x7f,0x10,0x28,0x44 }, // k 0x6b 107
		106	{ 0x00,0x41,0x7f,0x40,0x00 }, // l 0x6c 108
		107	{ 0x7c,0x04,0x18,0x04,0x78 }, // m 0x6d 109
		108	{ 0x7c,0x08,0x04,0x04,0x78 }, // n 0x6e 110
		109	{ 0x38,0x44,0x44,0x44,0x38 }, // o 0x6f 111
		110	{ 0x7c,0x14,0x14,0x14,0x08 }, // p 0x70 112
		111	// { 0x08,0x14,0x14,0x18,0x7c }, // q 0x71 113
		112	{ 0x08,0x14,0x14,0x14,0x7c },
		113	{ 0x7c,0x08,0x04,0x04,0x08 }, // r 0x72 114
		114	{ 0x48,0x54,0x54,0x54,0x20 }, // s 0x73 115
		115	{ 0x04,0x3f,0x44,0x40,0x20 }, // t 0x74 116
		116	{ 0x3c,0x40,0x40,0x20,0x7c }, // u 0x75 117
		117	{ 0x1c,0x20,0x40,0x20,0x1c }, // v 0x76 118
		118	{ 0x3c,0x40,0x30,0x40,0x3c }, // w 0x77 119
		119	{ 0x44,0x28,0x10,0x28,0x44 }, // x 0x78 120
		120	{ 0x0c,0x50,0x50,0x50,0x3c }, // y 0x79 121
		121	{ 0x44,0x64,0x54,0x4c,0x44 }, // z 0x7a 122
		122	{ 0x00,0x08,0x36,0x41,0x41 }, // { 0x7b 123
		123	{ 0x00,0x00,0x7f,0x00,0x00 }, // \| 0x7c 124
		124	{ 0x41,0x41,0x36,0x08,0x00 }, // } 0x7d 125
		125	// { 0x04,0x02,0x04,0x08,0x04 }, // ~ 0x7e 126
		126	{ 0x08,0x0c,0x08,0x18,0x08 },
		127	};
		128
		129
		130
		131
		132
		133
		134	void font_gotoxy(uint8_t x,uint8_t y)
		135	{
		136	cursor_x=x;
		137	cursor_y=y;
		138	}
		139
		140	void font_putchar(uint8_t c)
		141	{
		142	uint8_t * ptr = display_address() + cursor_x6 + cursor_y WIDTH;
		143	int i;
		144	if('\r'==c)
		145	{
		146	cursor_x = 0;
		147	cursor_y++;
6	mjames	148	if(cursor_y >= HEIGHT/8)
2	mjames	149	{
		150	cursor_y = 0;
		151	}
		152	return;
		153	}
		154
		155
		156	for(i=0;i<5;i++)
		157	{
		158	if(c>' ' && c<0x80)
		159	{
		160	*ptr++ = font[c-' '][i];
		161	}
		162	else
		163	{
		164	*ptr++ = 0;
		165	}
		166	}
		167	*ptr++=0;
		168
		169	// move cursor
		170	cursor_x++;
		171	if(cursor_x >= WIDTH/6)
		172	{
		173	cursor_x=0;
		174	cursor_y++;
		175	if(cursor_y==HEIGHT/8)
		176	{
		177	cursor_y = 0;
		178	}
		179	}
		180
		181	}
		182
		183
		184
		185	void font_puts(uint8_t * s)
		186	{
		187	while(s && *s)
		188	{
		189	font_putchar(*(s++));
		190	}
		191	}
		192
		193
		194	uint8_t get_digits(uint16_t x, uint16_t y)
		195	{
		196	return ((ascii_lucida_bits[(y*ascii_lucida_width)/8+(x/8)])>>(x&7)) & 1 ;
		197	}
		198
		199
15	mjames	200	static uint8_t format_num(char * buff, uint8_t digits,uint8_t dp_pos,int val)
9	mjames	201	{
15	mjames	202	digits++;
		203	uint8_t pos = digits;
		204	uint8_t dp_loc = pos - dp_pos;
		205	uint8_t sign = 0;
		206	if(val<0)
		207	{
		208	sign = 1;
		209	val = -val;
		210	}
		211
		212	buff[pos]=0;
		213	while (pos)
		214	{
		215	if(pos == dp_loc )
9	mjames	216	{
15	mjames	217	buff[--pos]='.';
9	mjames	218	}
15	mjames	219	else
		220	{
		221	buff[--pos] = val%10 + '0';
		222	val/=10;
		223	if(val==0 && pos< dp_loc)
		224	break;
		225	}
		226	}
		227	if(sign)
		228	{
		229	buff[--pos] = '-';
		230	}
		231	return digits;
		232	}
		233
		234
		235	void font_digits( uint8_t digits,uint8_t dp_pos, int val)
		236	{
		237	char buff[10] = " ";
		238	uint8_t len = format_num(buff, digits,dp_pos,val);
9	mjames	239	font_puts(buff);
		240	}
		241
15	mjames	242
		243	void font_sig_digits(uint8_t x, uint8_t y,uint8_t right_justify,uint8_t dp_pos, int val)
13	mjames	244	{
15	mjames	245	char digits;
		246	char sign = 0;
		247	int uval;
		248	if (val < 0)
13	mjames	249	{
15	mjames	250	uval = -val;
		251	sign = 1; // mark as negative
		252	}
		253	else
		254	{
		255	uval = val;
		256	}
		257	if(uval<10) // always one digit for a sign or space, one for a digit
		258	{
		259	digits = 1;
		260	}
		261	if(uval>=10 && uval <100)
		262	{
13	mjames	263	digits = 2;
		264	}
15	mjames	265	if(uval>=100 && uval < 1000)
13	mjames	266	{
		267	digits =3;
		268	}
15	mjames	269	if(uval>=1000)
13	mjames	270	{
		271	digits=4;
		272	}
15	mjames	273	// backup for the - sign if right justified
		274	if(right_justify)
		275	{
		276	if(dp_pos<10)
		277	{
		278	digits+=2;
		279	}
		280	else
		281	{
		282	digits+=1;
		283	}
		284	x-=(digits);
		285	}
		286
		287
13	mjames	288	font_gotoxy(x,y);
15	mjames	289	font_digits(digits,dp_pos,val);
13	mjames	290	}
9	mjames	291
		292
2	mjames	293	#define FONTX 10
		294	#define FONTY 18
		295
		296
		297	void scan_xbm(void)
		298	{
		299
		300	int i,j;
		301
		302	for(i=0; i< FONTY;i++)
		303	{
		304	for(j=0;j<FONTX*6;j++)
		305	{
		306	drawPixel(j, i, get_digits(j,i)) ;
		307	}
		308	}
		309	}
		310
		311	void print_large_string(char * string, int x, int y, int digits)
		312	{
		313	int xt,yt,j;
		314	for(yt=0;yt<FONTY;yt++) // iterate down scan lines
		315	{
		316	for(xt=0;xt<digits;xt++)
		317	{
		318	for(j=0;j<FONTX;j++)
		319	{
		320	unsigned char c = (string[xt] & 0x7F);
		321	if(c<32)
		322	c= 32;
		323
		324	drawPixel(x+j+xtFONTX, y+yt, get_digits(j+(c-32)FONTX,yt)) ;
		325	}
		326	}
		327	}
		328
		329	}
		330
7	mjames	331	void print_digits(uint8_t x, uint8_t y, uint8_t digits,uint8_t dp_pos, int val)
2	mjames	332	{
		333
		334
15	mjames	335	char buff[10] = " ";
19	mjames	336	uint8_t len = format_num(buff, digits,dp_pos,val);
15	mjames	337	print_large_string(buff,x,y,len);
		338	}
2	mjames	339
9	mjames	340
		341
		342
		343
15	mjames	344
2	mjames	345	/* print a digit value 0 to 9 (not ASCII) rotated by ang */
		346	void print_rotated(uint8_t x, uint8_t y, int ang, uint8_t val)
		347	{
		348	int co=ap_cos(ang);
		349	int si=ap_sin(ang);
		350
		351	int xt,yt;
		352
		353	for(yt=0;yt<FONTY;yt++) // iterate down scan lines
		354	{
		355	for(xt=0;xt<FONTX;xt++)
		356	{
		357	if(get_digits(xt+(val+16)*FONTX,yt))
		358	{
		359	int cx = xt-FONTX/2;
		360	int cy = yt-FONTY/2;
		361
		362	int px = AP_SCALE(cxco - cysi);
		363	int py = AP_SCALE(cxsi + cyco);
		364
		365	drawPixel(x+px, y+py,WHITE) ;
		366	}
		367	}
		368	}
		369
		370
		371
		372
		373
		374	}
		375
		376
		377
		378

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