AN_291 FT800 Create Multi-Language Font

Application Note
AN_291
FT800_Create_MultiLanguage_Font
Version 1.0
Issue Date: 2014-02-17
This application note describes how to display multi-language fonts on FT800
using an external character IC.
Use of FTDI devices in life support and/or safety applications is entirely at the user’s risk, and the
user agrees to defend, indemnify and hold FTDI harmless from any and all damages, claims, suits
or expense resulting from such use.
Future Technology Devices International Limited (FTDI)
Unit 1, 2 Seaward Place, Glasgow G41 1HH, United Kingdom
Tel.: +44 (0) 141 429 2777 Fax: + 44 (0) 141 429 2758
Web Site: http://ftdichip.com
Copyright © 2014 Future Technology Devices International Limited
Application Note
AN_291 FT800_Create_Multi-Language_Font
Version 1.0
Document Reference No.: FT_000971
Clearance No.: FTDI# 371
Table of Contents
1
2
Introduction .................................................................................................................................... 2
1.1
Scope ....................................................................................................................................... 2
1.2
Overview ................................................................................................................................. 2
1.2.1
Hardware......................................................................................................................... 2
1.2.2
Application Flow.............................................................................................................. 2
1.3
Software Required .................................................................................................................. 3
1.4
Hardware Required ................................................................................................................. 3
Introduction the Character IC GT32L24A180 .................................................................................. 4
2.1
General.................................................................................................................................... 4
2.2
Operation Instruction.............................................................................................................. 4
2.2.1
Instruction Parameter ..................................................................................................... 4
2.2.2
Character Dot Matrix Contact Storage Address .............................................................. 4
2.2.3
Calculation of Character Address .................................................................................... 7
3
Example Application Code .............................................................................................................. 8
4
Contact Information...................................................................................................................... 11
Appendix A – References ...................................................................................................................... 12
Document References....................................................................................................................... 12
Acronyms and Abbreviations ............................................................................................................ 12
Appendix B – List of Tables & Figures ................................................................................................... 13
List of Tables ..................................................................................................................................... 13
List of Figures .................................................................................................................................... 13
Appendix C – Revision History .............................................................................................................. 14
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Application Note
AN_291 FT800_Create_Multi-Language_Font
Version 1.0
Document Reference No.: FT_000971
Clearance No.: FTDI# 371
1 Introduction
This application note describes how to display multi-language fonts on FT800 using an external
character IC. Essentially the character IC provides raw data to allow a bitmap to be created for the
required symbol that the FT800 can display.
1.1 Scope
This document shows how to display multi-language fonts on FT800 using an external character
IC. The character IC - GT32L24A180 was selected for this example introduction. Example code is
shown to explain how to output the multi-language characters on a display.
1.2 Overview
1.2.1
Hardware
The diagram below illustrates the overall hardware setup. The character IC and the FT800 are both
SPI peripherals with independent chip select lines.
Figure 1-1: Block Diagram of Setup
1.2.2
Application Flow
The diagram below gives the basic flow to show how to display multi-language fonts on FT800.
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AN_291 FT800_Create_Multi-Language_Font
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Figure 1-2: Application Flow
1.3 Software Required


Visual Studio Express 2010 C++, can be downloaded from Microsoft’s website.
http://www.microsoft.com/visualstudio/cht/downloads#d-2010-express
FTDI D2XX driver, can be downloaded from FTDI’s website.
http://www.ftdichip.com/Drivers/D2XX.htm
1.4 Hardware Required




PC with Windows OS installed
FT800 development module with LCD panel; VM800B or VM800C
FTDI’s MPSSE cable; C232HM-DDHSL-0
Character IC; GT32L24A180
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AN_291 FT800_Create_Multi-Language_Font
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2 Introduction the Character IC GT32L24A180
2.1 General
GT32L24A180 contains a 15X16 dot matrix font size, supporting character sets including GB2312
/Unicode simplified Chinese, BIG5/Unicode traditional Chinese, JIS0208/Unicode Japanese,
KSC5601 Korean and 173 countries characters in Unicode. Also supported is the Chinese PINYIN
input method from a PINYIN code list.
The data format is arranged as vertical - byte, horizontal - string. The user may obtain the address
of certain characters dot matrix with the calculation method given by this application note, which
enables the user to access more character data by continually reading from the address already
obtained.
2.2 Operation Instruction
2.2.1
Instruction Parameter
Instruction
Description
Instruction
Code(One-Byte)
Address
Bytes
Dummy
Bytes
Data
Bytes
Read
Read Data Bytes
0000 0001
03h
3
—
1 to ∞
Fast Read
Read Data Bytes at
Higher Speed
0000 1011
0Bh
3
1
1 to ∞
WREN
Write Enable
0000 0110
06h
—
—
—
WRDI
Write Disable
0000 0100
04h
PP
Page Program
0000 0010
02h
3
—
1 to 256
SE
Sector Erase
0010 0000
20h
3
—
—
BE
Block Erase(64K)
1101 1000
D8h
3
—
—
CE
Chip Erase
0110 0000/
60h/
—
—
—
1100 0111
C7h
Table 1 Instruction Parameter
2.2.2
Character Dot Matrix Contact Storage Address
NO.
Font Content
Character
Number of
Base
Set
Characters
Address
GB2312
6763+282
0x100000
1
24*24 dot matrix GB2312 Font
2
12*12 dot matrix GB2312 extend Font
32
0x17BED0
3
5*7 dot ASCII Font
96
0x17C4D0
4
7*8 dot ASCII Font
96
0x17C7D0
5
6*12 dot ASCII Font
96
0x17CAD0
6
8*16 dot ASCII Font
96
0x17D0D0
7
8*16 dot bold-faced ASCII Font
96
0x17D8D0
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8
9*24 dot ASCII Font volume
ASCII Font
96
0x1BC4D0
9
12 dot matrix proportional adjusted ASCII
Arial Font
Volume
96
0x17DED0
10
12 dot matrix proportional adjusted ASCII
Times New Roman Font
96
0x17E890
11
16 dot matrix proportional adjusted ASCII
Arial Font
96
0x17F250
12
16 dot matrix proportional adjusted ASCII
Times New Roman Font
96
0x17FF10
13
24 dot matrix proportional adjusted ASCII
Arial Font
96
0x180BD0
14
32 dot matrix proportional adjusted ASCII
Arial Font
96
0x1BD6D0
15
32 dot matrix proportional adjusted ASCII
Times New Roman Font
96
0x1C0790
16
8*16 Latin Font
496
0x182790
17
12*24 Latin Font
496
0x186890
496
0x1C6F96
496
0x19B550
496
0x194B10
18
19
20
12*24 Latin Arial Font
12 dot proportional adjusted Latin Font
16 dot proportional adjusted Latin Font
21
8*16 Greek Font
96
0x184690
22
12*24 Greek Font
96
0x18C590
23
12 dot proportional adjusted Greek Font
96
0x19E7B0
24
16 dot proportional adjusted Greek Font
96
0x198CF0
25
8*16 Cyrillic Font
208
0x184C90
26
12*24 Cyrillic Font
208
0x18D790
27
12*24 Cyrillic Arial Font
208
0x1CAB96
208
0x19F170
Unicode
28
12 dot proportional adjusted Cyrillic Font
29
16 dot proportional adjusted Cyrillic Font
208
0x1999B0
30
8*16 Hebrew Font
112
0x185990
31
12*24 Hebrew Font
112
0x1CD296
32
8*16 Thai Font
128
0x186090
33
24 dot proportional adjusted Thai Font
128
0x1CE556
34
8*16 Japanese Font
64
0x1CF71C
35
12*24 Japanese Font
64
0x1CFB0C
36
16 dot proportional adjusted Arabic Font
576
0x18FE90
37
24 dot proportional adjusted Arabic Font
576
0x1B1090
38
8*16ISO8859NO.1~NO.16 (Without No.6
and No.12)
128X14
0x1A0690
39
5*7ISO8859NO.1~NO.16 (Without No.6
and No.12)
128X14
0x1A7690
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ISO 8859
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5*10 LCM Font
41
5*7 LCM Font
42
Clearance No.: FTDI# 371
256
0x1AAE90
256
0x1AF490
LCM Font Spare Area-1(5*10)
256
0x1AFC90
43
LCM Font Spare Area-2(5*10)
256
0x1B0690
44
437--USA, Standard Europe)
737--Greek
256
256
0x1D82CC
0x1D84CC
775--Baltic
256
0x1D86CC
850--Multilingual
256
0x1D88CC
852--Latin 2
256
0x1D8ACC
855--Cyrillic
256
0x1D8CCC
857--Turkish
256
0x1D8ECC
858--Euro
128
0x1D90CC
860--Portuguese
256
0x1D91CC
862--Hebrew
256
0x1D93CC
863--Canadian French
256
0x1D95CC
256
0x1D97CC
256
0x1D99CC
866--Cyrillic 2
256
0x1D9BCC
1251--Cyrillic
256
0x1D9DCC
1252--Latin Ⅰ
256
0x1D9FCC
1253--Greek
256
0x1DA1CC
1254--Turkish
256
0x1DA3CC
1255--Hebrew New
256
0x1DA5CC
1256--Arabic
256
0x1DA7CC
1257--Baltic
256
0x1DA9CC
928--Greek
96
0x1DABCC
Hebrew old code
96
0x1DAC8C
International character code
132
0x1DAD4C
68
24 dot matrix katakana Font
64
69
14*28 Blackbody half angle_numerical
symbols
15
0x1D070C
0x1C3850
70
20*40 Blackbody half angle_numerical
symbols
71
28 dot proportional adjusted numerical
symbols
15
72
40 dot proportional adjusted numerical
symbols
13
73
Bar Code numerical symbols_EAN13
74
Bar Code numerical symbols_CODE128
45
46
47
48
49
50
51
52
53
54
864--Arabic
55
CODE
PAGE
865--Nordic
56
57
58
59
60
61
62
63
64
65
66
67
LCM
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Numerical
Symbols
Bar Code
12
60
107
0x1C3B98
0x1C4138
0x1C47E6
0x1C515E
0x1C5E06
6
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75
Antenna Symbol
76
Battery Symbol
Other
Symbol
Clearance No.: FTDI# 371
5
4
0x1C6EBE
0x1C6F36
Table 2 Character Dot Matrix Contact Storage Address
2.2.3
Calculation of Character Address
GB2312 24*24 dot matrix GB2312 Font was selected for this example.
2.2.3.1 Parameter Declaration
GBCode indicates Chinese characters code.
MSB indicates GBCode’s high 8 bits.
LSB indicates GBCode’s low 8 bits.
Address indicates Chinese characters or ASCII character dot matrix address byte in the chip.
2.2.3.2 Calculation Method
HZ2424ZF_ADDR = 0X100000;
HZ2424HZ_ADDR = 0X104F50;
// Full width symbols, used to support the character,282 Bytes
if(MSB >=0xA1 && MSB <= 0xA3 && LSB >=0xa1 )
{
temp = (MSB - 0xA1) * 94 + (LSB - 0xA1);
Address = temp *72 + HZ2424ZF_ADDR;
}
// Chinese characters 6763 Bytes
else if(MSB >=0xb0 && MSB <= 0xf7 && LSB >=0xa1)
{
temp= (MSB - 0xB0) * 94 + (LSB - 0xA1);
Address = temp*72 + HZ2424HZ_ADDR;
}
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3 Example Application Code
For the user’s easy understanding, this example application will show Chinese character “高” on
FT800, using FT800_SampleApp_1.0 as base.
a.
Get the input character’s coding. Using GB2312 as example, with the Chinese character “高” in
GB2312 code, its HEX code is MSB: 24+0xA0, LSB: 63+0xA0
b.
The character IC provides its own calculation between character Hex value and the chip’s
related dot matrix contact storage address, with the IC GT32L24A180, the address in the chip
is: 0x113440
c.
Following the GT32L24A180 reading instruction, read the bytes out from the chip, the length
should be: 24x24(3bytes*24=72bytes)
Figure 3-1: 24*24 dot Chinese characters arrangement
d.
The content should be displayed as a bitmap in the FT800 in L1 format:
Figure 3-2: L1 format layout
Each ON (‘1’) bit represents a characters related color dot, each off (‘0’) bit represents the
background color, the other parts are don’t care.
e.
Put the “高” dot matrix contents in Src/SampleApp_RawData.c (The array mechanism is
chosen for easy teaching, a user may choose alternative coding styles e.g. read binary from
file, reading from flash program space, and store the binary data into a buffer malloced, then
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save to RAM_G when displayimg).

unsigned char gao[] = {0, 0x30, 0, 0, 0x18, 0, 0, 0x10, 0x0c, 0x7f, 0xff, 0xfe, 0, 0, 0,
0x02, 0x01, 0x80, 0x03, 0xff, 0xc0, 0x03, 0x01, 0x80, 0x03, 0x01, 0x80, 0x03, 0xff,
0x80, 0x02, 0x01, 0, 0x20, 0, 0x18, 0x3f, 0xff, 0xfc, 0x30, 0, 0x18, 0x31, 0x03, 0x18,
0x31, 0xff, 0x98, 0x31, 0x83, 0x18, 0x31, 0x83, 0x18, 0x31, 0xff, 0x18, 0x31, 0x82,
0x18, 0x31, 0, 0x18, 0x30, 0, 0xf8, 0x30, 0, 0x30, 0x20, 0, 0x20};
f.
Add the bitmap header information in SAMAPP_Bitmap_RawData_Header:

SAMAPP_Bitmap_header_t SAMAPP_Bitmap_RawData_Header[] =
{
/* format,width,height,stride,arrayoffset */
{RGB565,
40,
40,
40*2, 0
},
{PALETTED,
40,
40,
40,
0
},
{PALETTED,
480,
272,
480,
0
},
{L1, 24, 24, 3, 0},
};
g.
Modify SAMAPP_GPU_BitmapFont() in Src/SampleApp.c:

Create an extern definition of gao[] in SampleApp.c: extern unsigned char gao[];

Change the SAMAPP_Bitmap_RawData_Header index to 3;

Replace the “SAMAPP_Bitmap_RawData” in SAMAPP_GPU_Bitmap() by “gao”
Reference sample code below:
ft_void_t SAMAPP_GPU_BitmapFont()
{
SAMAPP_Bitmap_header_t *p_bmhdr;
ft_int16_t BMoffsetx,BMoffsety;
p_bmhdr = (SAMAPP_Bitmap_header_t *)&SAMAPP_Bitmap_RawData_Header[3];
/* Copy raw data into address 0 followed by generation of bitmap */
Ft_Gpu_Hal_WrMemFromFlash(phost, RAM_G,&gao[p_bmhdr->Arrayoffset], p_bmhdr>Stride*p_bmhdr->Height);
Ft_App_WrDlCmd_Buffer(phost, CLEAR(1, 1, 1)); // clear screen
Ft_App_WrDlCmd_Buffer(phost,COLOR_RGB(255,255,255));
Ft_App_WrDlCmd_Buffer(phost,BITMAP_SOURCE(RAM_G));
Ft_App_WrDlCmd_Buffer(phost,BITMAP_LAYOUT(p_bmhdr->Format, p_bmhdr->Stride,
p_bmhdr->Height));
Ft_App_WrDlCmd_Buffer(phost,BITMAP_SIZE(NEAREST, BORDER, BORDER, p_bmhdr>Width, p_bmhdr->Height));
Ft_App_WrDlCmd_Buffer(phost,BEGIN(BITMAPS)); // start drawing bitmaps
BMoffsetx = ((FT_DispWidth/4) - (p_bmhdr->Width/2));
BMoffsety = ((FT_DispHeight/2) - (p_bmhdr->Height/2));
Ft_App_WrDlCmd_Buffer(phost,VERTEX2II(BMoffsetx, BMoffsety, 0, 0));
Ft_App_WrDlCmd_Buffer(phost,COLOR_RGB(255, 64, 64)); // red at (200, 120)
BMoffsetx = ((FT_DispWidth*2/4) - (p_bmhdr->Width/2));
BMoffsety = ((FT_DispHeight/2) - (p_bmhdr->Height/2));
Ft_App_WrDlCmd_Buffer(phost,VERTEX2II(BMoffsetx, BMoffsety, 0, 0));
Ft_App_WrDlCmd_Buffer(phost,COLOR_RGB(64, 180, 64)); // green at (216, 136)
BMoffsetx += (p_bmhdr->Width/2);
BMoffsety += (p_bmhdr->Height/2);
Ft_App_WrDlCmd_Buffer(phost,VERTEX2II(BMoffsetx, BMoffsety, 0, 0));
Ft_App_WrDlCmd_Buffer(phost,COLOR_RGB(255, 255, 64)); // transparent yellow at (232,
152)
Ft_App_WrDlCmd_Buffer(phost,COLOR_A(150));
BMoffsetx += (p_bmhdr->Width/2);
BMoffsety += (p_bmhdr->Height/2);
Ft_App_WrDlCmd_Buffer(phost,VERTEX2II(BMoffsetx, BMoffsety, 0, 0));
Ft_App_WrDlCmd_Buffer(phost,COLOR_A(255));
Ft_App_WrDlCmd_Buffer(phost,COLOR_RGB(255,255,255));
Ft_App_WrDlCmd_Buffer(phost,VERTEX2F(-10*16, -10*16));//for -ve coordinates use
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vertex2f instruction
Ft_App_WrDlCmd_Buffer(phost,END());
Ft_App_WrDlCmd_Buffer(phost, DISPLAY() );
/* Download the DL into DL RAM */
Ft_App_Flush_DL_Buffer(phost);
/* Do a swap */
SAMAPP_GPU_DLSwap(DLSWAP_FRAME);
SAMAPP_ENABLE_DELAY();
}
h.
Build the project and run. The Chinese character will be displayed via the FT800 as shown
below:
Figure 3-3: sample code test result
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4 Contact Information
Head Office – Glasgow, UK
Branch Office – Tigard, Oregon, USA
Future Technology Devices International Limited
Unit 1, 2 Seaward Place, Centurion Business Park
Glasgow G41 1HH
United Kingdom
Tel: +44 (0) 141 429 2777
Fax: +44 (0) 141 429 2758
Future Technology Devices International Limited
(USA)
7130 SW Fir Loop
Tigard, OR 97223-8160
USA
Tel: +1 (503) 547 0988
Fax: +1 (503) 547 0987
E-mail (Sales)
E-mail (Support)
E-mail (General Enquiries)
sales1@ftdichip.com
support1@ftdichip.com
admin1@ftdichip.com
E-Mail (Sales)
E-Mail (Support)
E-Mail (General Enquiries)
us.sales@ftdichip.com
us.support@ftdichip.com
us.admin@ftdichip.com
Branch Office – Taipei, Taiwan
Branch Office – Shanghai, China
Future Technology Devices International Limited
(Taiwan)
2F, No. 516, Sec. 1, NeiHu Road
Taipei 114
Taiwan , R.O.C.
Tel: +886 (0) 2 8791 3570
Fax: +886 (0) 2 8791 3576
Future Technology Devices International Limited
(China)
Room 1103, No. 666 West Huaihai Road,
Shanghai, 200052
China
Tel: +86 21 62351596
Fax: +86 21 62351595
E-mail (Sales)
E-mail (Support)
E-mail (General Enquiries)
E-mail (Sales)
E-mail (Support)
E-mail (General Enquiries)
tw.sales1@ftdichip.com
tw.support1@ftdichip.com
tw.admin1@ftdichip.com
cn.sales@ftdichip.com
cn.support@ftdichip.com
cn.admin@ftdichip.com
Web Site
http://ftdichip.com
System and equipment manufacturers and designers are responsible to ensure that their systems, and any Future Technology
Devices International Ltd (FTDI) devices incorporated in their systems, meet all applicable safety, regulatory and system-level
performance requirements. All application-related information in this document (including application descriptions, suggested
FTDI devices and other materials) is provided for reference only. While FTDI has taken care to assure it is accurate, this
information is subject to customer confirmation, and FTDI disclaims all liability for system designs and for any applications
assistance provided by FTDI. Use of FTDI devices in life support and/or safety applications is entirely at the user’s risk, and the
user agrees to defend, indemnify and hold harmless FTDI from any and all damages, claims, suits or expense resulting from
such use. This document is subject to change without notice. No freedom to use patents or other intellectual property rights is
implied by the publication of this document. Neither the whole nor any part of the information contained in, or the product
described in this document, may be adapted or reproduced in any material or electronic form without the prior written consent
of the copyright holder. Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park,
Glasgow G41 1HH, United Kingdom. Scotland Registered Company Number: SC136640
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Appendix A – References
Document References
1.
2.
3.
4.
5.
6.
7.
datasheet for VM800C: DS_VM800C EVE
datasheet for VM800B: DS_VM800B EVE
AN_240 FT800 From the Ground Up
FT800 Programmer Guide
FT800 Embedded Video Engine Datasheet
Sample Application
Datasheet for GT32L24A180
Acronyms and Abbreviations
Terms
Description
EVE
Embedded Video Engine
IDE
Integrated Development Environment
MPSSE
FTDI Multi-Protocol Synchronous Serial Engine
MSVC
Microsoft Visual Studio C++ 2010
SPI
Serial Peripheral Interface
UI
User Interface
USB
Universal Serial Bus
VM800B/C
VM800B or VM800C board
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Appendix B – List of Tables & Figures
List of Tables
Table 1 Instruction Parameter ......................................................................................... 4
Table 2 Character Dot Matrix Contact Storage Address .................................................... 7
List of Figures
Figure 1-1: Block Diagram of Setup ................................................................................. 2
Figure 1-2: Application Flow ............................................................................................ 3
Figure 3-1: 24*24 dot Chinese characters arrangement .................................................. 8
Figure 3-2: L1 format layout ............................................................................................ 8
Figure 3-3: sample code test result ................................................................................ 10
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Appendix C – Revision History
Document Title:
AN_291 FT800_Create_Multi-Language_Font
Document Reference No.:
FT_000971
Clearance No.:
FTDI# 371
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http://www.ftdichip.com/EVE.htm
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Revision
1.0
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Changes
First release
Date
2014-02-17
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