STM32F107VCT6 -- 驱动2.4寸ST7789显示屏

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TLLED 发布时间：2020-3-20 16:59

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DIY一块STM32F107的测试板，使用模式总线方式驱动ST7789芯片的显示屏。

一、硬件端口

使用STM32F107的PE端口来驱动16位数据总线。

二、芯片数据手册

ST7789S_SPEC_V1.5.pdf (2.78 MB, 下载次数: 98)

2020-3-20 16:37 上传

点击文件名下载附件

三、驱动程序

3.1、st7789.c

#include <stdio.h>
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#include <stm32f10x.h>& S" _7 l1 o5 E1 l8 Z$ K
#include "lcd.h"
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#include "delay.h"
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#include "font.h": @1 g" V' @) [( A: L6 x( x. P
#include "st7789.h"
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//LCD的画笔颜色和背景色
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u16 POINT_COLOR=0x0000; //画笔颜色
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u16 BACK_COLOR=0xFFFF; //背景色 / o* n x, Y' O* _( p
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//管理LCD重要参数
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//默认为竖屏
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_lcd_dev lcddev;7 z5 u0 [" |8 R5 G2 i4 r" Y
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//设置LCD显示方向
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//dir:0,竖屏；1,横屏, C7 G+ |) p4 a/ J! q9 y E0 M
void LCD_Display_Dir(u8 dir)7 a8 j A: w0 Y: J6 s+ g
{
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if(dir==0) //竖屏
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lcddev.dir=0; //竖屏
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lcddev.width=240;
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lcddev.height=320;/ Y- M/ e) A+ D
}else //横屏
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lcddev.dir=1; //横屏
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lcddev.width=320;
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lcddev.height=240;
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} ( G8 A3 w5 b$ O, _
//LCD_Scan_Dir(DFT_SCAN_DIR); //默认扫描方向# l5 r. @! v' e3 H3 {
}
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/*****************************
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** STM32 ili9320 **
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** PE0~15 <----> DE0~15 **( N( V# y. V9 g" t8 |
** PD15 <----> nRD **3 u( i2 J1 j" `) e$ R
** PB14 <----> RS **0 D" }* k+ c, a9 K" ?
** PB15 <----> nWR **
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** PB10 <----> nCS **; s3 Z3 U2 E4 e) w
** PD11 <----> nReset **, d' h: h' G% T+ e" r0 d. n
** PA3 <----> BK_LED **
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******************************/. p# o3 x F" z$ \) p% d/ F9 u* P
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void LCD_Pins_Config(void)
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GPIO_InitTypeDef GPIO_InitStructure;6 ?) s, [$ E- x4 `2 `4 a
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOD , ENABLE);7 Q/ g$ p, B4 S$ t8 i
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// DB15--0
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOE, &GPIO_InitStructure);. @. x- E3 j! ^2 ^
//LCD_Pin_WR PB15: s$ i4 C5 m- q: r& F
//LCD_Pin_RS PB145 C8 R$ x$ u. o! S, K
//LCD_Pin_CS PB10
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_14 |GPIO_Pin_15;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;7 f6 s$ J1 \: @+ J5 F5 A6 ^
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 5 `4 ^3 E. V: \8 f- t P$ ^1 c
GPIO_Init(GPIOB, &GPIO_InitStructure);
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//LCD_Pin_RD PD15/ B5 r9 U0 i# p+ P) E4 _0 I% p$ @
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOD, &GPIO_InitStructure);4 A1 g. B8 a- s1 W+ _* `; v
}
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void ST7789_BUS_OutPut(void); m, U' {3 }0 S4 |
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GPIO_InitTypeDef GPIO_InitStructure;
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// DE15--0/ {# \2 C8 j% J, e0 u
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;& K% S2 v" E! @- v g7 d
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;# q, j8 C+ T) C/ O; j1 n# A
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOE, &GPIO_InitStructure);
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void LCD_DB_AS_InPut(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;2 m1 f% }/ a5 }+ K( S9 n
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// DE15--0
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;; G* c; Z9 S- N3 P/ u3 c: `3 f# N
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;7 `3 H. T* [0 ?
GPIO_Init(GPIOE, &GPIO_InitStructure);
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void LCD_Init(void): B7 U: K' S* _ S) t/ m
{
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LCD_Pins_Config();1 c1 g7 f1 N6 D& ]( A! U0 {
}
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void TFT_24_7789_Write_Data(u16 dat)8 J, k1 V- J$ Z. R9 q. [
{
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LCD_SetRs(); //rs=1) X" [5 o( S3 I `
LCD_ClrCs(); //cs=0
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LCD_SetRd(); //rd=1 ( ?; @+ [' n* B/ O; C6 o: q1 D
LCD_ClrWr(); //wr=0* d9 V5 H+ z: ^0 U: s* w
GPIO_Write(GPIOE, dat);: Z: P' {0 n3 q+ M( G" b
LCD_SetWr(); //wr=1+ Z+ E3 |" l9 Y* h* H! G( I
LCD_SetCs(); //cs=1% J) K, U- i& h4 d _5 L( M6 v
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void TFT_24_7789_Write_Command(u16 cmd)
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LCD_ClrCs(); //cs=03 N- W# J+ ^$ F* H: j) j
LCD_ClrRs(); //rs=0
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LCD_SetRd(); //rd=1
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LCD_ClrWr(); //wr=0
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GPIO_Write(GPIOE, cmd);
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LCD_SetWr(); //wr=1
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LCD_SetCs(); //cs=1
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LCD_SetRs(); //rs=1
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void ST7789_WriteData(u16 dat)
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{
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LCD_SetRs(); //rs=1
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LCD_ClrCs(); //cs=0 1 m8 |6 L' j+ k0 i& Z9 f2 C: R
LCD_SetRd(); //rd=1
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LCD_ClrWr(); //wr=08 ~0 ?. M( E8 t' d0 W8 R+ |
GPIO_Write(GPIOE, dat);
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LCD_SetWr(); //wr=1
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LCD_SetCs(); //cs=1
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void ST7789_WriteCommand(u16 cmd)
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LCD_ClrCs(); //cs=0
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LCD_ClrRs(); //rs=0" l* l7 z3 @/ e! @
LCD_SetRd(); //rd=1; V& p: E4 p; U' C7 y/ K7 h
LCD_ClrWr(); //wr=0; \2 {1 c& c9 B. p, F
GPIO_Write(GPIOE, cmd);8 D$ K, N2 o9 U7 c) b1 F$ J+ p. R" ?
LCD_SetWr(); //wr=1( U4 x/ }- K2 q! x
LCD_SetCs(); //cs=1% [- J5 O( |- ~0 }' X
LCD_SetRs(); //rs=1- W1 w, s) h4 |1 K$ \
}
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//void TFT_24_7789_Read_Data(void)% y5 d/ }# t# P8 Q2 `
//{
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// uint16_t id=0;
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// TFT_24_7789_Write_Command(0x0004);5 r9 F9 p( b0 I2 x3 W
// LCD_DB_AS_InPut();( g- o& V9 O# x
//
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// GPIO_ResetBits(GPIOB, GPIO_Pin_10); //CS=0
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// GPIO_SetBits(GPIOB, GPIO_Pin_14); //RS=1- A7 _4 ?# n& d7 u' H" h
// GPIO_SetBits(GPIOB, GPIO_Pin_15); //WR=1 @7 {' [2 R6 K( s
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// //GPIO_SetBits(GPIOD, GPIO_Pin_15); //RD=1 ( C6 x6 ~9 T1 T0 }& e* G
// GPIO_ResetBits(GPIOD, GPIO_Pin_15); //RD=0
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// //GPIO_Write(GPIOE, dat);//when using 16-bit interface (DB17:10,DB8:1)//when using 8-bit interface (DB17:10). i+ ~$ H$ J4 H, X1 ^. I+ K
// id=LCD_Read();/ ^" ^9 j8 L& O/ F# G& ~
// delay_ms(1);$ A8 R; S: g; {) S' c
// GPIO_SetBits(GPIOD, GPIO_Pin_15); //RD=1;! c+ T: a3 d( q3 ?) K w: u
// delay_ms(1);
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// printf("\n\r ######DeviceIdCode = 0x%x ###### ", id);% m( Y! m- H! B6 V0 ?6 c6 h
// LCD_DB_AS_OutPut();
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//}
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static void ST7789_Reset(void). O4 ?. C9 ?6 P+ n
{
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LCD_SetRst();
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delay_ms(1); 6 T! {5 j$ J$ f& z
LCD_ClrRst();
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delay_ms(10); // Delayms 10ms // This delay time is necessary 3 a* I; Y' |# j y/ E+ P
LCD_SetRst(); , q9 |2 f- L: Z% X0 z
delay_ms(120); // Delayms 120 ms / s* {2 o# w7 r
}
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void ST7789_Init(void)
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int n;
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LCD_Pins_Config();
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ST7789_Reset();
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ST7789_WriteCommand(0x0011); //exit SLEEP mode, O" Q, s$ E. g) i$ z
delay_ms(120);
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ST7789_WriteCommand(0x0036);
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ST7789_WriteData(0x0060); //MADCTL: memory data access control
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ST7789_WriteCommand(0x003A);( w+ U3 @7 o9 k+ k8 p9 n
ST7789_WriteData(0x0005); //COLMOD: Interface Pixel format *** I use 262K-colors in 18bit/pixel format when using 8-bit interface to allow 3-bytes per pixel
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// TFT_24_7789_Write_Command(0x003A);TFT_24_7789_Write_Data(0x0055);//COLMOD: Interface Pixel format *** I use 65K-colors in 16bit/pixel (5-6-5) format when using 16-bit interface to allow 1-byte per pixel% U$ C! e% G V' r/ J, s! ]
ST7789_WriteCommand(0x00B2);
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ST7789_WriteData(0x000C);
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ST7789_WriteData(0x000C);# l. e" {/ Y" e8 z5 ~
ST7789_WriteData(0x0000);
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ST7789_WriteData(0x0033);
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ST7789_WriteData(0x0033); //PORCTRK: Porch setting
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ST7789_WriteCommand(0x00B7);" O q+ c' i( L) T
ST7789_WriteData(0x0035); //GCTRL: Gate Control- F- m+ F' o; e6 V
ST7789_WriteCommand(0x00BB);5 U! U! s1 d+ q8 |
ST7789_WriteData(0x001c); //VCOMS: VCOM setting
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ST7789_WriteCommand(0x00C0);" u7 ]9 M' ?- }7 O
ST7789_WriteData(0x002C); //LCMCTRL: LCM Control' W: C% K) y2 p& K* l
ST7789_WriteCommand(0x00C2);1 b5 m& u( c+ s1 X1 A: F
ST7789_WriteData(0x0001);
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ST7789_WriteData(0x00FF); //VDVVRHEN: VDV and VRH Command Enable
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ST7789_WriteCommand(0x00C3);. K! {$ m. Z. s- c5 H& D9 I
ST7789_WriteData(0x000B); //VRHS: VRH Set
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ST7789_WriteCommand(0x00C4);4 M9 d( j0 P' e. ?+ i& o) Q% @3 n
ST7789_WriteData(0x0020); //VDVS: VDV Set: i9 j) j$ ]- @: @* e
ST7789_WriteCommand(0x00C6);$ _ |4 q, v. h" g/ m
ST7789_WriteData(0x000F); //FRCTRL2: Frame Rate control in normal mode
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ST7789_WriteCommand(0x00D0);
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ST7789_WriteData(0x00A4);
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ST7789_WriteData(0x00A1); //PWCTRL1: Power Control 1
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ST7789_WriteCommand(0x00E0);* E& z+ {. Q& y- b! h7 j
ST7789_WriteData(0x00D0);8 G, W8 f! {6 U
ST7789_WriteData(0x0000);2 D( h+ X1 @( K4 F" B
ST7789_WriteData(0x0003);4 E8 W2 ~4 e7 }, v4 `" R4 j
ST7789_WriteData(0x0009);2 [* i; y D R; q
ST7789_WriteData(0x0013);0 D# j( A- `% M5 R, r% g9 N2 m
ST7789_WriteData(0x001c);' m8 w, C1 |8 ?/ }
ST7789_WriteData(0x003a);
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ST7789_WriteData(0x0055);9 b" _/ H8 c2 v! I, T/ n
ST7789_WriteData(0x0048);& Z3 ^* e3 v2 e+ m1 A) I! x* a, \
ST7789_WriteData(0x0018);9 J* h1 [2 _2 A/ ?/ @
ST7789_WriteData(0x0012);* ~# @1 X2 R r$ v3 B
ST7789_WriteData(0x000e);
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ST7789_WriteData(0x0019);3 B8 K' h) H$ y9 v. Z& `
ST7789_WriteData(0x001e); //PVGAMCTRL: Positive Voltage Gamma control
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ST7789_WriteCommand(0x00E1);; D1 A, H* K. R% f! Y- Y6 k
ST7789_WriteData(0x00D0);
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ST7789_WriteData(0x0000); k; Y2 M. a$ e4 }
ST7789_WriteData(0x0003);
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ST7789_WriteData(0x0009);
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ST7789_WriteData(0x0005);* S9 b* Z* k+ W( I3 J- \# k( c
ST7789_WriteData(0x0025);
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ST7789_WriteData(0x003a);
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ST7789_WriteData(0x0055);6 F6 R* u+ k3 a: _. e1 v1 h
ST7789_WriteData(0x0050);
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ST7789_WriteData(0x003d);5 D; p' q' N! H. }1 U8 W
ST7789_WriteData(0x001c);/ k/ z& _" |) K g! p
ST7789_WriteData(0x001d);
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ST7789_WriteData(0x001d);1 E) E0 W6 @ m5 V: K
ST7789_WriteData(0x001e);
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ST7789_WriteCommand(0x0029); //display ON' I8 M( ?9 w* ]# E2 i
ST7789_WriteCommand(0x002c); 0 k' q* m! j( W5 @& n
1 Z2 v: c+ F1 W/ @; U. {
printf("\n\r st7789 init ok! \r ");2 x$ p& `& ^* C5 X2 W
LCD_Display_Dir(0);2 S* ~2 m4 u+ H! [
}
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void LCD_WriteOneDot(u16 color)* x; D1 G* e" ?# P2 O# e: b
{
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TFT_24_7789_Write_Data(color);2 R; Y' s/ j/ J
}
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void Lcd_SetBox(u16 xStart,u16 yStart,u16 xlong,u16 ylong)
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{
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u16 xEnd=0, yEnd=0;
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xEnd=xStart+xlong-1;
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yEnd=yStart+ylong-1;6 i9 o! T+ r: b
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TFT_24_7789_Write_Command(0x2a); ( w+ r2 I0 i2 E5 b* N6 g3 T
TFT_24_7789_Write_Data(xStart>>8);9 ?7 h& U. ^, L& M6 b
TFT_24_7789_Write_Data(xStart);5 D* d( [& I' T4 p6 I" P& `( P
TFT_24_7789_Write_Data(xEnd>>8);
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TFT_24_7789_Write_Data(xEnd);
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TFT_24_7789_Write_Command(0x2b); 8 l0 f: B0 T9 e7 w( z+ V
TFT_24_7789_Write_Data(yStart>>8);
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TFT_24_7789_Write_Data(yStart);
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TFT_24_7789_Write_Data(yEnd>>8);0 Z [% U9 _: V+ h
TFT_24_7789_Write_Data(yEnd);
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TFT_24_7789_Write_Command(0x2c); 1 W) g+ K& x" `5 i) o9 C/ t
}
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void Lcd_SetBox1(u16 xStart,u16 xEnd,u16 yStart,u16 yEnd)
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{
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TFT_24_7789_Write_Command(0x2a);
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TFT_24_7789_Write_Data(xStart>>8);' W, J! L% J& F( E A4 q( a; I( ]
TFT_24_7789_Write_Data(xStart);
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TFT_24_7789_Write_Data(xEnd>>8);
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TFT_24_7789_Write_Data(xEnd);
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TFT_24_7789_Write_Command(0x2b); , f }1 P$ U. |3 P0 h
TFT_24_7789_Write_Data(yStart>>8);
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TFT_24_7789_Write_Data(yStart);2 V1 B' h$ Z, M9 l- h. l. U
TFT_24_7789_Write_Data(yEnd>>8);6 P$ j+ y4 a' s5 v2 v
TFT_24_7789_Write_Data(yEnd);0 J7 z( J8 J. e% f- W
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TFT_24_7789_Write_Command(0x2c); - C/ L- H/ x! x# Q# v
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void LCD_Clear(u16 Color)
% } {0 I4 k- g. |# ?
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u32 i; 3 w* D( @- r6 M3 d
Lcd_SetBox(0,0,320,240);
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for(i=0;i<78900;i++){ 5 d6 v( S- s8 V' Y
LCD_WriteOneDot(Color); % i2 n' C( N5 ]2 y% g
}
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}
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void LCD_Picture(u16 x,u16 y,u16 width,u16 height,const unsigned char *color), Y$ j0 K B9 z
{ + O1 t9 [! s7 M8 O+ ]
u16 i,j,temp;
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j=width*height;. I! f* r) g3 D
Lcd_SetBox(x,y,width,height);; A9 d& Y; \& ^! ~& M, N# h
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for(i=0;i<j;i++)6 L9 M% K6 ?% O% v
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temp=color[i*2]<<8&0xFF00;( e2 ] K& D: H0 e3 M: M5 S4 M5 T
temp+=color[i*2+1];
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LCD_WriteOneDot(temp);+ t: W2 }& V- o) r7 z
}
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void LCD_Clear1(u16 xStart,u16 yStart,u16 xlong,u16 ylong,u16 Color)5 Z8 ^/ p$ P8 t6 ~
{: H/ O& A7 E8 p6 |# S6 b7 W4 ]/ r
u32 i,j; 4 L8 \. c+ I- Q
j=xlong*ylong;4 D/ c* G7 ?; D
Lcd_SetBox(xStart,yStart,xlong,ylong);
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for(i=0;i<j;i++){ ( u0 x" h5 G2 K: K
LCD_WriteOneDot(Color);
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/**********************************************
/ T% s' X* f# F$ j( M
函数名：LCD_write_english) O$ |$ O9 I- ]. F8 O% x
功能：选定Lcd上写一个英文或数字
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入口参数：data 要写的字符& U+ l5 N% W8 u9 H7 {
color 字符的颜色8 \/ s/ P3 O* ~# g3 }% Y3 O, [
xcolor 字符的背景色
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size 字体的大小6 q ?, R3 V! d/ Y8 R7 O
返回值：无
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***********************************************/2 }8 |2 Z0 ~. P: V. X/ q$ ^4 `
static void LCD_write_english(u8 data,u16 color,u16 xcolor ,u8 mode)//写字符
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{/ M$ X- M' [8 Y6 G# o) H
u8 i=0,j=0,n=0;5 J* A: i c$ ?2 J( Z6 K7 C; x# z- ]
u8 avl=0;
* O, { ^$ b6 i# s. u) u8 H- d
data -=32;
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for (i=0;i<120;i++) //为 20x40字库
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{ ( s4 Q! D% i1 ?) }
avl=english[data][i];
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for (j=0;j<8;j++)
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{
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n++;) @% y' n. N+ @% b+ ~: [; k
if(avl&0x80)LCD_WriteOneDot(color);
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else if(mode==0) LCD_WriteOneDot(xcolor);" m* ?( h. C( H% B0 y0 f
avl<<=1;8 L6 r% p6 H, z D
if(n>19) {
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n=0;
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break;
5 k k, V5 t2 w( n2 e
}//部分字体如英文20*40，形成的字库3个8位一组，每一组最后4位不显示，用该语句进行判断有几位不需要显示
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void LCD_write_english_string(u16 x, u16 y, char *str,u8 mode)//英文字符串显示 p) T0 @ {3 m5 B C
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u16 k = 0;
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while ((*str<='~')&&(*str>=' ')) & Y( m* Y! `! G
{! V# {; E% F( D; L4 ]9 j# B* o
Lcd_SetBox(x+k,y,20,40);
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LCD_write_english( *str,WORDCOLOR,BACKCOLOR, mode);
: I( }" N8 C) l, c! _
k+=20;
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str++; 1 }- P: b+ x N ]3 S: t m$ L
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}3 k$ b! y; n) H& h1 q
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static void LCD_write_chinese(u16 data, u16 color, u16 xcolor,u8 mode )//写字符$ j4 U# N; o! z! C* r
{1 i' Q% t& i$ h5 R; A5 C! I
u8 i=0,j=0;+ V# |3 @) a l1 E: \5 W
u32 avl=0;
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//data -=' '; //（ASCII）- 32 = 字库数组行数
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//===========为 48x24字库 32*16=512个像素点保存形式为8位数据故有512/8=64个每一位代表“字”或“背景”然后再把每个坐标的颜色显示出来========== 要是显示在什么位置显示的大小为什么是32X16看LCD_write_english_string函数其中有个Lcd_SetBox
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for (i=0;i<128;i++). u% h9 p' W( K# H
{
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avl=Chinese[data][i]; //取第一个8位
2 i; e+ X8 X: E$ F8 N5 Y
for (j=0;j<8;j++) //两个8位组成一个16位循环16次完成16个点的判断每行显示几个像素点由函数LCD_write_english_string的输入参数定& c2 S7 s# R0 `4 H* a* M* Z
{5 Q# \+ y1 }4 P
if(avl&0x80)LCD_WriteOneDot(color);
/ L( D2 m) P0 e1 v
else if(mode==0) LCD_WriteOneDot(xcolor); //“0”显示为背景部分即背景颜色 1 V3 M) D, B9 P: K, O$ p
avl<<=1;
% f' @& j- ^; ~. F
}
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}
% ~* @4 I" L: u( n
void LCD_write_chinese_string(u16 x, u16 y,u16 address,u16 len,u8 mode)3 w w8 b. V1 `+ r* ~
{
. }5 n- P# L# n, w0 d# t. u
int i;
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u16 k = 0;" y6 g+ U \" S, U
for(i=0;i<len;i++)
1 k O* k O6 K' _1 W5 K
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Lcd_SetBox(x+k,y,32,32);
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LCD_write_chinese(address,WORDCOLOR,BACKCOLOR, mode);7 A' @+ }# H* _, t8 t+ b& u$ H
k+=32;
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address++;
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}
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void ST7789_SetPoint(u16 x,u16 y,u16 color)$ a! E- ?& r6 v
{* \; I$ ]" ^! c% b$ H( f. m
Lcd_SetBox1(x,x+1,y,y+1);+ g( q' F4 M I; y
LCD_WriteOneDot(color);
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//在指定位置显示一个字符6 W+ G9 V8 m5 h5 o- C
//x,y:起始坐标
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//num:要显示的字符:" "--->"~"
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//size:字体大小 12/16/24
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//mode:叠加方式(1)还是非叠加方式(0)
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void LCD_ShowChar(u16 x,u16 y,u8 num,u8 size,u8 mode)8 p+ f9 c1 I+ O6 T
{ . ]$ ^8 l/ d6 B! |
u8 temp,t1,t;
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u16 y0=y;
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u8 csize=(size/8+((size%8)?1:0))*(size/2); //得到字体一个字符对应点阵集所占的字节数 e1 w4 {& A1 A: o& E& j( w
num=num-' ';//得到偏移后的值（ASCII字库是从空格开始取模，所以-' '就是对应字符的字库）
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for(t=0;t<csize;t++)2 s) p C* ~; S
{
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if(size==12)temp=asc2_1206[num][t]; //调用1206字体
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else if(size==16)temp=asc2_1608[num][t]; //调用1608字体
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else if(size==24)temp=asc2_2412[num][t]; //调用2412字体2 Y& M+ V; ^! M9 t. O; p% n
else return; //没有的字库6 t M* h( q# m; J
for(t1=0;t1<8;t1++)
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{ ' x% U/ c) x' I ?# |, `; j( a
if(temp&0x80)ST7789_SetPoint(x,y,POINT_COLOR);
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else if(mode==0)ST7789_SetPoint(x,y,BACK_COLOR);
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temp<<=1;1 `, l0 e0 _7 X$ W* H
y++;6 ]+ P" F+ P& T; R( j& {2 R* F$ [
if(y>=lcddev.height)return; //超区域了
* X( d2 _' }. R: s. }9 z
if((y-y0)==size)
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{2 H! t; G! \7 {( U2 Q, R
y=y0;* R# {, F/ }" F: K! r
x++;
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if(x>=lcddev.width)return; //超区域了
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break;" Y8 c P0 G+ n" o) ]3 Q. n" j9 L
}1 p2 k' C1 Z6 f O
}
Q) _( ?$ i; H: H
} 3 ~* _" n4 w. q5 t
}
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//显示字符串) L# ^; X! A1 n b
//x,y:起点坐标3 w# e% E1 Z; Q4 n. y' `
//width,height:区域大小 1 w! u+ j' B7 Z+ J. T
//size:字体大小9 q+ @, ]; ]! r# Z
//*p:字符串起始地址 9 l# f1 W, b0 J! A) ~6 t
void LCD_ShowString(u16 x,u16 y,u16 width,u16 height,u8 size,u8 *p)
5 L1 O4 a4 D% \9 U
{ 8 Q7 x. Z1 b' E; k1 x2 G
u8 x0=x;! }1 V9 w5 u) N; t
width+=x;. W- J, b) U2 I& W
height+=y;
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while((*p<='~')&&(*p>=' '))//判断是不是非法字符!) F; k* I8 _7 h
{
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if(x>=width){x=x0;y+=size;} @ x! n3 t+ W
if(y>=height)break;//退出
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LCD_ShowChar(x,y,*p,size,0);, g' D0 H; h5 n7 z- D L5 ^
x+=size/2;
! ?3 I, {7 k& ^+ d+ B1 r
p++;0 F8 k8 n8 J$ U6 E
} 1 a- B4 R+ _# a# y$ s! {- |
}/ J- Y y* D1 B1 r; J
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8 g( A" E( z& a/ ^$ h4 u4 p

复制代码

3.2、st7789.h

#ifndef __ST7789_H
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#define __ST7789_H
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//#include <stm32f10x_lib.h> E* C r0 G. f
#include <stm32f10x.h>* b& t7 p6 E. A# h4 l/ y% D& g
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//LCD重要参数集! S! n3 N/ L6 ?# L
typedef struct : z" N# d7 H& n# f9 D3 K% H
{
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u16 width; //LCD 宽度! J6 P& F; ?7 p2 e
u16 height; //LCD 高度
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u16 id; //LCD ID# W/ M3 ?+ j+ z' ]8 P) K
u8 dir; //横屏还是竖屏控制：0，竖屏；1，横屏。
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u16 wramcmd; //开始写gram指令
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u16 setxcmd; //设置x坐标指令5 \; Q( D( l1 P
u16 setycmd; //设置y坐标指令
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}_lcd_dev; ' }! U/ v7 c# X: A/ l
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//LCD参数
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extern _lcd_dev lcddev; //管理LCD重要参数& v+ r/ h2 z, @( D
//LCD的画笔颜色和背景色
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extern u16 POINT_COLOR;//默认红色
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extern u16 BACK_COLOR; //背景颜色.默认为白色
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#define BLACK 0x0000
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#define BLUE 0x001F- ~; e/ `8 [% R/ n
#define RED 0xF800$ C$ r N9 `* S- ?( W' [" h5 [4 O
#define GREEN 0x07E0
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#define CYAN 0x07FF
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#define MAGENTA 0xF81F# _. A/ @' |, u5 {$ m1 p! y t
#define YELLOW 0xFFE0
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#define WHITE 0xFFFF 7 a/ Y; b$ p0 Q$ T2 x
#define BACKCOLOR 0xFFFF : k: e+ o0 q6 |5 e6 D; Y
#define WORDCOLOR 0x0000! H: y6 Q P9 r. u. M$ ^
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#define Lcd_Light_ON
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#define Lcd_Light_OFF % p8 B/ b& |* ?! b
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#define HyalineBackColor 0x0001 // Lihao 透明背景( L6 V, Y. ]! z" G" j1 ^
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#define LCD_SetCs() GPIO_SetBits(GPIOB, GPIO_Pin_10) //PB10
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#define LCD_ClrCs() GPIO_ResetBits(GPIOB, GPIO_Pin_10) 0 c i# t: u. W% n3 M5 J
#define LCD_SetWr() GPIO_SetBits(LCD_PORT_WR, LCD_Pin_WR)
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#define LCD_ClrWr() GPIO_ResetBits(LCD_PORT_WR, LCD_Pin_WR)+ K4 C# V4 q; v2 s; q- Q7 }
#define LCD_SetRs() GPIO_SetBits(GPIOB, GPIO_Pin_14) //PB14
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#define LCD_ClrRs() GPIO_ResetBits(GPIOB, GPIO_Pin_14)
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#define LCD_SetRst() GPIO_SetBits(GPIOD, GPIO_Pin_11) //pd11: y( G% H- ] Z3 [! Z, X
#define LCD_ClrRst() GPIO_ResetBits(GPIOD, GPIO_Pin_11)
# v1 g, I- o$ w" [* ]
#define LCD_SetRd() GPIO_SetBits(GPIOD, GPIO_Pin_15) //pd15$ X( Q1 H& S9 y- a+ a% s
#define LCD_ClrRd() GPIO_ResetBits(GPIOD, GPIO_Pin_15)6 K3 X1 J; m6 m9 Z
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#define SetCs GPIO_SetBits(GPIOB, GPIO_Pin_10); //PB10
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#define ClrCs GPIO_ResetBits(GPIOB, GPIO_Pin_10);
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#define SetWr GPIO_SetBits(LCD_PORT_WR, LCD_Pin_WR);" r8 y+ V0 G3 D |
#define ClrWr GPIO_ResetBits(LCD_PORT_WR, LCD_Pin_WR);
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#define SetRs GPIO_SetBits(GPIOB, GPIO_Pin_14); //PB14$ R7 v5 t5 C0 m& R
#define ClrRs GPIO_ResetBits(GPIOB, GPIO_Pin_14);# E' y3 J4 q& o, v6 l: R( z
#define SetRst GPIO_SetBits(GPIOD, GPIO_Pin_11); //pd11
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#define ClrRst GPIO_ResetBits(GPIOD, GPIO_Pin_11);
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#define SetRd GPIO_SetBits(GPIOD, GPIO_Pin_15); //pd15
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#define ClrRd GPIO_ResetBits(GPIOD, GPIO_Pin_15);- o" a0 E; t$ O$ ~( N
#define LCD_Write(LCD_DATA) GPIO_Write(GPIOE, LCD_DATA)
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#define LCD_Read() GPIO_ReadInputData(GPIOE)1 Q1 M2 U( M9 Z9 m# ~5 ^
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/* LCD Control pins */& j- a, l# w" n: A3 D
#define LCD_Pin_WR GPIO_Pin_15 //PB15' V2 |. }. T2 r) D, _* C
#define LCD_PORT_WR GPIOB
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#define LCD_CLK_WR RCC_APB2Periph_GPIOB' C* T9 r* i3 p5 _) B& w5 p8 _2 X; z
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#define LCD_Pin_CS GPIO_Pin_10 //PB10- o& K) L! A. [1 ]- T& `
#define LCD_PORT_CS GPIOB6 R2 \- r8 _. u& x8 z
#define LCD_CLK_CS RCC_APB2Periph_GPIOB
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#define LCD_Pin_RS GPIO_Pin_14 //PB14% H2 j/ Z! U+ o/ Q+ H/ B/ ~6 `( x
#define LCD_PORT_RS GPIOB
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#define LCD_CLK_RS RCC_APB2Periph_GPIOB
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#define LCD_Pin_RD GPIO_Pin_15 //PD15
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#define LCD_PORT_RD GPIOD/ X( s/ I D/ D N
#define LCD_CLK_RD RCC_APB2Periph_GPIOD4 Z% C0 u- `& h0 O, q
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#define LCD_Pin_RST GPIO_Pin_11 //PD115 F. y: D/ `! r' |! n
#define LCD_PORT_RST GPIOD* f0 X7 ?* `( U$ K& ` v }. D* k
#define LCD_CLK_RST RCC_APB2Periph_GPIOD
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//void lcd_Initializtion(void);
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//int TFT_24_7789_demo(void);. U0 s% L, P8 e- b
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void LCD_Clear(u16 Color);
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void LCD_Picture(u16 x,u16 y,u16 width,u16 height,const unsigned char *color);
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void LCD_Clear1(u16 xStart,u16 yStart,u16 xlong,u16 ylong,u16 Color);
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void LCD_write_english_string(u16 x, u16 y, char *str,u8 mode);
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void LCD_write_chinese_string(u16 x, u16 y,u16 address,u16 len,u8 mode);
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//void PutPixel(unsigned int x,unsigned int y,unsigned int color);
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void LCD_ShowString(u16 x,u16 y,u16 width,u16 height,u8 size,u8 *p);, ~3 ]$ p0 f! n5 r& }9 a
void ST7789_Init(void);3 p8 T: P5 A7 G0 d, W! Q1 ]9 Z# o
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#endif
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3.3、程序源码

STM32F107VC_ST7789_LCD.rar (3.52 MB, 下载次数: 232)

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1个回答

liyonglin-15467 回答时间：2020-3-27 14:06:02

学习，谢谢分享。

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STM32F107VCT6 -- 驱动2.4寸ST7789显示屏

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