Text LCD Controlccy.dd.ncu.edu.tw/~chen/course/embeddedSoft/ES實驗03-文字型LCD... · Declared Version Training Only Declare Document Number Document Version 1.00 Release Date

Text LCD ControlText LCD ControlMIAT STM32 Development Kit

WU-YANG

[email protected] Co., Ltd.

pp y g@g

Declared Version

Training Only

Declare

Document Number

Document Version 1.00

Release Date 2009.08.04

Document Title Text LCD Control

Exercise Time Lecture 90 minutes Operating 90 minutes

MIAT STM32F10 EVBPlatform MIAT STM32F10x EVB MIAT IOB

Peripheral Text LCD

Author Wu-Yangg

Key Word STM32F10x, Text LCD

22

ARM C t M3ARM Cortex-M3

3

Text LCD ControlTe t LCD F n tion ListText LCD Function ListDevelopment FlowARM Configure

Text LCD Control(1)( )

Text LCD Pin Define Text LCD Block Diagram

5

Text LCD Control(2)( )

1.ROMCGCharacter GeneratorROMCG ROM1925x7"A"LCD "A" ASCII41HDDRAMCG ROM "A"LCD

6

Text LCD Control(3)( )

7

Text LCD Control(2)( )

2.RAMDDData DisplayRAMDD RAMLCDDD RAM00H67HLCD "A"21DD RAM40H41HLCD

8

Text LCD Control(2)( )

3.RAMCG RAM64LCD5x8800H07H

9

Text LCD Control(3)( )

Instruction Set

10

Text LCD Timer

11

Busy checky

12

Text LCD Function List(1)( )

init_lcd()LCDLCDLCD LCD

write_com(unsigned char c)C

it d t ( i d h ) write_data(unsigned char c)C

print(char line, char *str)LCD*strLCDline

prline1(char x, char w) LCDwxLCDwx

prline2(char x, char w) LCDwx

13

Text LCD Function List(2)( ) clear(void)

LCD home(void)

setCursor(char index)

shiftDisplayLeft(void)

Display shiftDisplayRight(void) shiftDisplayRight(void)

Display pf4h(unsigned int value)

hexLCDhexLCD

14

Development Flowp

Embedded Software Side intmain(void){

Connect the EVB and the IOB

Programming

#ifdefDEBUGdebug();

#endif

/*Systemclocksconfiguration*/CC C fi ti ()

g gBootupSTM32F10x

RCC Configure

GPIO Configure

LCD Initial

RCC_Configuration();

/*GPIOconfiguration*/GPIO_Configuration();

/* LCD */LCD Initial / /init_lcd();

clear();while(1){

print(1 "HelloWorld!!");print(1, HelloWorld!! );delay(10000);

}}

15

Configure RCCgvoidRCC_Configuration(void){

/*RCCsystemreset(fordebugpurpose)*/RCC_DeInit();/*EnableHSE*/RCC HSEConfig(RCC HSE ON);

RCC FwLib Functions List

RCC_HSEConfig(RCC_HSE_ON);/*WaittillHSEisready*/HSEStartUpStatus=RCC_WaitForHSEStartUp();if(HSEStartUpStatus==SUCCESS){

/*EnablePrefetchBuffer*/FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);/*Flash2waitstate*// /FLASH_SetLatency(FLASH_Latency_2);/*HCLK=SYSCLK*/RCC_HCLKConfig(RCC_SYSCLK_Div1);/*PCLK2=HCLK*/RCC_PCLK2Config(RCC_HCLK_Div1);/*PCLK1=HCLK/2*/RCC_PCLK1Config(RCC_HCLK_Div2);/*ADCCLK=PCLK2/4*/RCC_ADCCLKConfig(RCC_PCLK2_Div4);/*PLLCLK=8MHz*7=56MHz*/RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_7);/*EnablePLL*/RCC PLLC d(ENABLE)RCC_PLLCmd(ENABLE);/*WaittillPLLisready*/while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY)==RESET){}/*SelectPLLassystemclocksource*/RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);/*WaittillPLLisusedassystemclocksource*/while(RCC GetSYSCLKSource()!=0x08){}while(RCC_GetSYSCLKSource()!=0x08){}

}/*Enableperipheralclocks*/

/*EnableGPIOCclock*/RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC,ENABLE);

}

1616

}

Configure GPIOgvoidGPIO_Configuration(void){GPIO_InitTypeDefGPIO_InitStructure;

GPIO FwLib Functions List

/*ConfigureIOconnectedtoGPIOC*********************/GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2

|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10;

GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_Init(GPIOC,&GPIO_InitStructure);

}

1717

Text LCD

Text LCD

rsrw

DB0DB1DB2DB3DB4DB5DB6DB7enrs

19

/ \ \

Project

lib

Lab.dfu

hw_config.c lcd_func.c Text LCD

21

MIAT STM32 user manual (ch3, ch4) , hexdfu

USB dfu Text LCD

22

shiftDisplayLeft functionText LCD shiftDisplayLeft functionText LCD

setCGRAM functionText LCDCG RamRam

23

~(90min)( )

Exe 1 : Exe_1 : Exe_2 : CGRAM

[1] MIAT_STM32_user_manual_V1.00.pdf[2] STM32F10xxx reference manual pdf[2] STM32F10xxx reference manual.pdf[3] STM32F103XX firmware library.pdf[4] LMC-SSC2D16-01 Serial USER MANUAL(Text LCD [4] LMC SSC2D16 01 Serial USER MANUAL(Text LCD

datasheet)

25

Q & AQ & A