STM32F107VCT6 - 驱动2.4寸ST7789显示屏

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: 65)

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>
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#include "lcd.h"
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#include "delay.h"- @4 ] i; s0 Z" k" x; y5 q0 U
#include "font.h"" a! X* |( H) u- y$ U5 u
#include "st7789.h", X# Z5 v& p5 u' ]
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//LCD的画笔颜色和背景色 9 V. ]* O" u r! \
u16 POINT_COLOR=0x0000; //画笔颜色
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u16 BACK_COLOR=0xFFFF; //背景色 ) C% ~& y/ }+ u5 M; o8 {
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//管理LCD重要参数
# E/ \2 @5 o. h, C- r
//默认为竖屏
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_lcd_dev lcddev;
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//设置LCD显示方向
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//dir:0,竖屏；1,横屏
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void LCD_Display_Dir(u8 dir)2 R: j: i4 t- q0 t/ ^+ Z! b0 ?
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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;
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}else //横屏
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{
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lcddev.dir=1; //横屏. ]9 E$ x0 }7 ?
lcddev.width=320;
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lcddev.height=240;
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}
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//LCD_Scan_Dir(DFT_SCAN_DIR); //默认扫描方向
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}
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/*****************************
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** STM32 ili9320 **8 b* x- e7 a# i! d* Y9 I
** PE0~15 <----> DE0~15 **
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** PD15 <----> nRD **: a2 t2 B$ u5 M/ d# m: T; S7 A
** PB14 <----> RS **
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** PB15 <----> nWR **
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** PB10 <----> nCS **
* D- s; q+ ~, d
** PD11 <----> nReset **
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** PA3 <----> BK_LED *** j8 a2 D1 A/ ?9 X0 E
******************************/% M9 o3 I6 |9 @9 E: ]
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void LCD_Pins_Config(void)1 z6 u! n0 M6 X
{
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOD , ENABLE);+ r& A8 }" S; A+ k6 k, m% R
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// DB15--0! v( S; a) E# N! W: Z
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;. b; j. k N- T
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;& d6 z; x0 b# K5 p
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOE, &GPIO_InitStructure);
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//LCD_Pin_WR PB15$ J# @$ j* G. \+ I: g# @
//LCD_Pin_RS PB14& |+ Y# J+ ^" N" b- L" X2 ?6 B
//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;" }1 }' I- V3 h, {; B# o
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; 0 `2 R% c: G7 q* s; {
GPIO_Init(GPIOB, &GPIO_InitStructure);
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//LCD_Pin_RD PD158 J! {0 S; ~! v+ ~; H0 v
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);- k3 \ U. W s5 T3 e
}
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void ST7789_BUS_OutPut(void)6 M; K' \: N; S4 K% Y
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GPIO_InitTypeDef GPIO_InitStructure;" n3 M6 R# h) Y4 \9 R# ]2 F
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// DE15--0( }! u3 b9 m& Z3 H
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;; {" a9 U( Y( N) K
GPIO_Init(GPIOE, &GPIO_InitStructure);
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}
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void LCD_DB_AS_InPut(void)* ?% H" n- T$ g ^
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GPIO_InitTypeDef GPIO_InitStructure;& M; p) ?# z/ i0 a% A
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// DE15--0
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;- [: j/ D; ?# |8 Y' D/ ^
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
% _4 {( B" c. k8 D
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;* M6 |# v {6 u+ U, ^ Q
GPIO_Init(GPIOE, &GPIO_InitStructure);
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void LCD_Init(void)& q1 h& J2 n$ Z1 k0 `9 Q
{
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LCD_Pins_Config();0 v9 E) j% o9 B" M/ O- C
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void TFT_24_7789_Write_Data(u16 dat)- w4 K5 [9 A; D3 ]( e* @% y" R
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LCD_SetRs(); //rs=1
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LCD_ClrCs(); //cs=0 + W' e4 a6 N/ y. O
LCD_SetRd(); //rd=1 1 B h2 r! ~. N8 d
LCD_ClrWr(); //wr=0
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GPIO_Write(GPIOE, dat);1 |1 Q! Y# Z+ J! z- J2 _
LCD_SetWr(); //wr=1: r' J% X! v* d* W8 C/ R
LCD_SetCs(); //cs=1; `6 S3 |: j6 K% _6 I
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void TFT_24_7789_Write_Command(u16 cmd)3 ?) S4 I/ ^6 N$ N9 e
{
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LCD_ClrCs(); //cs=04 q( j% m/ f3 O
LCD_ClrRs(); //rs=0; R5 O. O3 G- A8 N) \4 w3 B3 ^( \
LCD_SetRd(); //rd=1, Z: B8 V% J% T3 [7 k5 g5 L. A
LCD_ClrWr(); //wr=08 @* g# F z: _
GPIO_Write(GPIOE, cmd);% v J7 A: O6 L0 n
LCD_SetWr(); //wr=1
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LCD_SetCs(); //cs=1' g. G3 v9 w1 U& j8 `7 P, E
LCD_SetRs(); //rs=16 W$ W9 o; y1 B, @5 |* l
}
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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
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LCD_SetRd(); //rd=1
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LCD_ClrWr(); //wr=0% B" Y9 |2 F: f6 }7 J
GPIO_Write(GPIOE, dat);/ J: D6 I1 k: d8 Y% @
LCD_SetWr(); //wr=1+ N) @+ Z3 |( ~5 E
LCD_SetCs(); //cs=10 d( S+ P6 W- J
}
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void ST7789_WriteCommand(u16 cmd)$ T# m c! ?$ a9 x
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LCD_ClrCs(); //cs=07 F8 M6 U( G+ T1 w6 M
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$ h0 J8 \( m/ }! Y# j' P
LCD_SetCs(); //cs=19 ?0 b0 M7 B* P5 j% d
LCD_SetRs(); //rs=1
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}
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//void TFT_24_7789_Read_Data(void)3 g0 D3 F' K* p# L+ y- _ c
//{
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// uint16_t id=0;
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// TFT_24_7789_Write_Command(0x0004);
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// LCD_DB_AS_InPut();$ }6 F, G& P6 y# S5 s" X
// 5 ^" x7 J8 Z7 M( j: A0 A
// GPIO_ResetBits(GPIOB, GPIO_Pin_10); //CS=0" c, j# W o2 G D& b& d- `
// GPIO_SetBits(GPIOB, GPIO_Pin_14); //RS=1
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// GPIO_SetBits(GPIOB, GPIO_Pin_15); //WR=1, m5 Z' O; ?1 i/ |( J* T2 }
// " d; g' |0 b6 d; v( e/ I
// //GPIO_SetBits(GPIOD, GPIO_Pin_15); //RD=1
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// 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)) O" ]) T5 Z' @6 o4 h5 q
// id=LCD_Read();
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// delay_ms(1);* I7 v' d" D9 W0 R8 L2 i w' s
// GPIO_SetBits(GPIOD, GPIO_Pin_15); //RD=1;
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// delay_ms(1); E8 T" N9 P7 b/ ~6 W) O
// printf("\n\r ######DeviceIdCode = 0x%x ###### ", id);
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// LCD_DB_AS_OutPut();. |; p3 D8 \% Z/ ~! m ~
//}3 O$ T9 a6 c! b% p# p
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static void ST7789_Reset(void)) _) E1 Z8 h7 C; I; z% I
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LCD_SetRst(); . j" _, `4 \0 E( G' l, I( g
delay_ms(1);
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LCD_ClrRst();
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delay_ms(10); // Delayms 10ms // This delay time is necessary
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LCD_SetRst(); + C* J/ v9 P) G! Y, m% ]0 ~
delay_ms(120); // Delayms 120 ms 3 R" Y% g# v; |. O" z$ _
}
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void ST7789_Init(void)5 O4 k& u+ ]$ X I4 m0 h/ e! m
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int n;4 O0 t! S% j/ v) E
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LCD_Pins_Config();
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ST7789_Reset();
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ST7789_WriteCommand(0x0011); //exit SLEEP mode
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delay_ms(120);
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ST7789_WriteCommand(0x0036);4 e% h" {* G% n! d( y# m# x2 O
ST7789_WriteData(0x0060); //MADCTL: memory data access control
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ST7789_WriteCommand(0x003A);/ K7 i, r- n7 V8 o } U9 s( S' B
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
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ST7789_WriteCommand(0x00B2);, n E7 h( M, u$ Q6 B( M) |9 o0 b4 K
ST7789_WriteData(0x000C);
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ST7789_WriteData(0x000C);3 s" D: H E0 G
ST7789_WriteData(0x0000);
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ST7789_WriteData(0x0033);
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ST7789_WriteData(0x0033); //PORCTRK: Porch setting: y! I+ b; t- I" A
ST7789_WriteCommand(0x00B7);
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ST7789_WriteData(0x0035); //GCTRL: Gate Control
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ST7789_WriteCommand(0x00BB);; E5 f; P9 I; z r3 ?# d! m( A
ST7789_WriteData(0x001c); //VCOMS: VCOM setting# e( X7 h" o: i1 m
ST7789_WriteCommand(0x00C0);+ P& U( n, S5 ?
ST7789_WriteData(0x002C); //LCMCTRL: LCM Control
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ST7789_WriteCommand(0x00C2);! }1 |2 U) ]1 J1 K: B
ST7789_WriteData(0x0001);
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ST7789_WriteData(0x00FF); //VDVVRHEN: VDV and VRH Command Enable! E5 G# a/ T* E
ST7789_WriteCommand(0x00C3);
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ST7789_WriteData(0x000B); //VRHS: VRH Set6 O+ S- [3 N* Q, s% s1 t0 V4 Z
ST7789_WriteCommand(0x00C4);
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ST7789_WriteData(0x0020); //VDVS: VDV Set
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ST7789_WriteCommand(0x00C6);
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ST7789_WriteData(0x000F); //FRCTRL2: Frame Rate control in normal mode- ? Q' h1 x* d, \; q: ^
ST7789_WriteCommand(0x00D0);
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ST7789_WriteData(0x00A4);3 \; G0 R1 h# u9 S! v
ST7789_WriteData(0x00A1); //PWCTRL1: Power Control 1
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ST7789_WriteCommand(0x00E0);
% U. |- E4 X' F+ {& }
ST7789_WriteData(0x00D0);; `5 v T3 ]0 K! R: _
ST7789_WriteData(0x0000);) p1 w4 @& }& A. P; T) E& X$ I
ST7789_WriteData(0x0003);
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ST7789_WriteData(0x0009);7 n- U0 Q( |$ {8 N6 A, O, j: M
ST7789_WriteData(0x0013);
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ST7789_WriteData(0x001c);% b3 q6 \: l/ }% g5 w( H
ST7789_WriteData(0x003a);* k! R1 F) g7 U. `0 I
ST7789_WriteData(0x0055);
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ST7789_WriteData(0x0048);+ G$ A) }. O; A( T1 q3 ]/ R
ST7789_WriteData(0x0018);! a1 f: r$ P' N! a! o9 }1 s
ST7789_WriteData(0x0012);# v* o) H( b0 p: T* m% p6 `! S
ST7789_WriteData(0x000e);& m) m5 }$ C, K8 L! [& |
ST7789_WriteData(0x0019);4 x: n- T8 @0 x: p2 `, A2 ]
ST7789_WriteData(0x001e); //PVGAMCTRL: Positive Voltage Gamma control
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ST7789_WriteCommand(0x00E1);
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ST7789_WriteData(0x00D0);5 z% p! f/ }7 x
ST7789_WriteData(0x0000);
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ST7789_WriteData(0x0003);
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ST7789_WriteData(0x0009);
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ST7789_WriteData(0x0005);
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ST7789_WriteData(0x0025);
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ST7789_WriteData(0x003a);7 e+ K3 j; E5 g9 F6 c: f6 w
ST7789_WriteData(0x0055);2 H7 a( b5 h# ]
ST7789_WriteData(0x0050);
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ST7789_WriteData(0x003d);: C0 _5 R' c% s( @- d; U
ST7789_WriteData(0x001c);
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ST7789_WriteData(0x001d);
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ST7789_WriteData(0x001d);0 e6 X( K' j- Q D3 a0 ~8 @
ST7789_WriteData(0x001e); . g6 L4 g* \' T% g+ x
ST7789_WriteCommand(0x0029); //display ON
7 `# S- V( S6 O5 X% e& r
ST7789_WriteCommand(0x002c);
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printf("\n\r st7789 init ok! \r ");
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LCD_Display_Dir(0);
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void LCD_WriteOneDot(u16 color)7 y3 n2 f+ y. `: q! C H% f7 z
{ " C6 Y, C! Q5 t# j
TFT_24_7789_Write_Data(color);$ Q/ o& Y0 F: U2 G! @
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void Lcd_SetBox(u16 xStart,u16 yStart,u16 xlong,u16 ylong)* r: w# g1 O; u1 M" I& e
{
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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;; z0 z) u" p3 Z, n, c: }, q! W5 K
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TFT_24_7789_Write_Command(0x2a);
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TFT_24_7789_Write_Data(xStart>>8);% u' {& H$ e5 {+ f
TFT_24_7789_Write_Data(xStart);
8 V! n3 ]4 C- @$ F: ]
TFT_24_7789_Write_Data(xEnd>>8);
; |9 a* r1 l% y+ ^) Q. v
TFT_24_7789_Write_Data(xEnd);& q* f$ p! ^. |! ]( ]2 B; U' S
% N+ l( G- a A3 d Z
TFT_24_7789_Write_Command(0x2b); . ?5 m: y. Q& G% ]/ t
TFT_24_7789_Write_Data(yStart>>8);: B* g& w$ |. {2 N- Y
TFT_24_7789_Write_Data(yStart);* w# R [$ A, G6 M b! Z
TFT_24_7789_Write_Data(yEnd>>8);' r9 Y! Y2 y) U" v4 X ~$ U1 O
TFT_24_7789_Write_Data(yEnd);% @6 L, M7 {* i; j9 H- y, N8 {8 @
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TFT_24_7789_Write_Command(0x2c); # ~4 m! X# v l. u, x5 D+ b2 s6 G; v
}! L, V3 Y0 s. |2 ], I( s
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void Lcd_SetBox1(u16 xStart,u16 xEnd,u16 yStart,u16 yEnd)- I8 q* p5 A. e& s! u& ], k
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TFT_24_7789_Write_Command(0x2a); . c7 _4 f% @/ u9 }& @) V* l
TFT_24_7789_Write_Data(xStart>>8);
; L, R* z. @+ j" I% O
TFT_24_7789_Write_Data(xStart);) i5 B$ a1 ~% K3 v
TFT_24_7789_Write_Data(xEnd>>8);2 q6 p# \& p. L5 _
TFT_24_7789_Write_Data(xEnd);
4 t G; N* s' ?; f/ u( i9 {
9 s! z: ?7 T# @: K9 W9 P4 C& ^
TFT_24_7789_Write_Command(0x2b); ~8 W" q4 Y0 H* |* ]" _
TFT_24_7789_Write_Data(yStart>>8);
' P+ d5 y: c7 C: u6 B
TFT_24_7789_Write_Data(yStart);( a* s' {+ d' r" l+ w3 I& V2 R
TFT_24_7789_Write_Data(yEnd>>8);5 ?) h6 W" J! {( n+ T4 Y( C# |3 O# s
TFT_24_7789_Write_Data(yEnd);* v+ |7 }- b2 x6 L
6 ?3 h5 O1 i9 A7 S) I
TFT_24_7789_Write_Command(0x2c); 1 Q* l3 ~/ O) `0 j0 ?! ^0 E/ S; ]
}. _8 y! W: z+ G0 }6 E
2 v* L/ `$ \6 T3 {
void LCD_Clear(u16 Color)8 e$ _% G( z+ }2 g4 c
{
( \. n- i% h* q( Z9 r, h) t" e
u32 i; $ |3 g# w% Y) R7 @* @
Lcd_SetBox(0,0,320,240);
9 C* l: B1 D3 j$ F4 P$ Q! ?
for(i=0;i<78900;i++){ # g5 ^& K0 G# e
LCD_WriteOneDot(Color); 4 X6 {1 R% x" K1 W5 p ^
}3 U. t0 T! v- N5 o( S1 |6 N
}/ a" S. t# G. a& F# D0 T
- \. \, l! c! z2 o4 {; s
void LCD_Picture(u16 x,u16 y,u16 width,u16 height,const unsigned char *color)
' B2 X4 Q( j, n# _4 k$ O
{
, B0 Z6 M5 N; ~1 ]$ I0 x# |* C
u16 i,j,temp;
, K* E+ N) \4 K: \
j=width*height;
3 U2 {7 Q, [5 k" G2 J* _' Z8 L
Lcd_SetBox(x,y,width,height);; J w# _- E2 B. g* t8 }5 }
( S3 L. R& ?( Q& E
for(i=0;i<j;i++)& |4 i- {% W7 [* _
{
: T W, [6 J" f/ p* Z& Z% r
temp=color[i*2]<<8&0xFF00;
- O( M: t% z: ?8 |
temp+=color[i*2+1];
* K' y9 i( ^3 b, {
LCD_WriteOneDot(temp);+ ^) a$ o+ I8 v, H
} " [/ _2 j* e) U2 l
}4 P, A1 j# e ?2 m3 M: B
$ X( B, U6 I4 d; F2 q' D% ^
void LCD_Clear1(u16 xStart,u16 yStart,u16 xlong,u16 ylong,u16 Color)
$ [9 C8 s+ }* P: I8 s& ?+ b/ a
{; _0 e3 `5 i" w$ o' E( ^4 }
u32 i,j; 4 S% R3 c. u/ d& h. X
j=xlong*ylong;
) T& p i/ M [( V, M/ V
Lcd_SetBox(xStart,yStart,xlong,ylong); / A% i {* [: j
for(i=0;i<j;i++){
+ `, T8 ?4 `2 Y, y4 x5 F( s
LCD_WriteOneDot(Color); `0 A2 r: U6 ?. X$ b+ O
}
1 d( e- ^ q) ]9 m$ Y$ A
}
7 t+ Y5 @+ Z2 d4 J6 f1 Q4 k$ A
4 e- B& E* s! l: r
/**********************************************
; v% G5 S3 }5 |" ^6 {( M
函数名：LCD_write_english
( p1 q1 q! T* Z+ \0 k7 Q# y
功能：选定Lcd上写一个英文或数字0 [8 H/ O1 `( L* O8 G; e! P1 i
入口参数：data 要写的字符/ M2 Q& Q" B$ n9 P% D
color 字符的颜色7 Z& \6 Y7 G3 Q* a! n1 t) _
xcolor 字符的背景色5 ]8 M5 R/ G: C m( O
size 字体的大小
' o; f" x( M5 M
返回值：无
9 t' b( o0 Y4 i3 l
***********************************************/
( x. _- ]# t- N% ]. F
static void LCD_write_english(u8 data,u16 color,u16 xcolor ,u8 mode)//写字符. t, O! M5 W [+ S9 a) p1 N% k
{9 l3 H7 A) ?, S5 g4 b
u8 i=0,j=0,n=0;
6 p# L* y$ m* S" O3 ~% n, v
u8 avl=0;
. B. }7 C0 w, b M0 }! o5 q/ U" f
data -=32; 0 c0 T! n* s9 u* n( ]; e7 S! k1 {
for (i=0;i<120;i++) //为 20x40字库
B/ I' n- g5 b- n
{
; K2 _( ]* s0 I# c/ T
avl=english[data][i];
! C7 L1 C: K7 J; l/ U
for (j=0;j<8;j++)
0 l/ \* L4 |2 n/ @9 [7 V0 }
{
9 u: ~5 K: C3 k5 h
n++;. U" N6 |% X# g& M: p+ ~2 l% I$ F/ J1 _
if(avl&0x80)LCD_WriteOneDot(color);
% L/ ?, W- x& d& l
else if(mode==0) LCD_WriteOneDot(xcolor);% ^% J! h3 D* c; O
avl<<=1;
& v! V* ~; Y$ b9 T$ ?
if(n>19) {
: M0 f1 O9 `- D. g; G0 i
n=0;
g3 m1 b0 o) H" s: @1 g
break;2 @$ I+ O! F1 `
}//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
' {3 _% l* u, p# c
}
* w5 ^! }% A! N: ]( R, z
}
2 I. D4 A! W; }3 U" h
}
6 J0 p! D' G" O+ o+ `
& p- `4 b; u9 W( S6 ~- t _
void LCD_write_english_string(u16 x, u16 y, char *str,u8 mode)//英文字符串显示
" I! `) Y' }7 g& ~8 A
{6 f" G2 [5 h4 M" ?" d+ J/ k4 C+ A
u16 k = 0;% b5 Z- W' E) W w% T9 _$ T) ]
while ((*str<='~')&&(*str>=' ')) 7 @, d/ u' O3 i; w* R
{# |/ q2 A3 l7 i
Lcd_SetBox(x+k,y,20,40);
! o8 \5 e( p5 E% V# t! r2 ?
LCD_write_english( *str,WORDCOLOR,BACKCOLOR, mode);4 b) w) h' i7 u) N3 b
k+=20;
- o4 [# I: n. X3 |. j9 z1 T
str++; * _- K4 {0 W( w, P- Z9 x
}% L% m5 `) Y' B' U$ L
}
4 A1 l. G, A Y* N5 A4 ~
5 v" z( Z H: C4 B0 e9 J
static void LCD_write_chinese(u16 data, u16 color, u16 xcolor,u8 mode )//写字符
; n2 z( s& f( g
{) g2 K8 F9 V D& {
u8 i=0,j=0;/ h7 h, O1 M9 J% y( r% j+ u
u32 avl=0;1 b7 [* h; L7 i. _, D& M" q
//data -=' '; //（ASCII）- 32 = 字库数组行数- ] a6 n t; E) O
//===========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_SetBox1 z7 P2 e. w" J& h( c0 ?. ]' `
for (i=0;i<128;i++)
5 `/ b- l5 L2 j% @; N
{
- N& {2 C7 `: Q e- I& m
avl=Chinese[data][i]; //取第一个8位( ~! m* ~4 F* n, b: W6 L3 K/ V4 g
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& Y7 {$ K" |/ ]% B5 N
{
( M* M8 V5 Z( S& P; S8 b9 a" d
if(avl&0x80)LCD_WriteOneDot(color);
; p- x5 W0 p1 R% ~( P
else if(mode==0) LCD_WriteOneDot(xcolor); //“0”显示为背景部分即背景颜色
3 I; Y# `, x$ o5 K- l- ~
avl<<=1;
}7 w% r( G) z, _) A. p( |: y
}- I1 {" l1 v d$ n5 \$ K
}, W4 t: n# H. N6 V. ?7 U
void LCD_write_chinese_string(u16 x, u16 y,u16 address,u16 len,u8 mode) V6 e4 e0 G) I, h7 @$ g! @
{+ K3 U. @3 R/ c9 t! |% h
int i;
/ C/ a/ j4 @% V( V7 Z: t4 K
u16 k = 0;
4 f) D, X8 a, R& U/ M
for(i=0;i<len;i++)
2 \. `, s6 y, }6 C9 ]. }
{! i$ X* e. P: p* {" s U% S
Lcd_SetBox(x+k,y,32,32);
5 C* F6 l. W; ^, K( [6 R
LCD_write_chinese(address,WORDCOLOR,BACKCOLOR, mode);
6 k+ Q4 _( Q/ B- V; i
k+=32;( \" `6 o s3 w/ ?
address++;
6 `6 t" K* O! ^1 d
7 W& d# B4 q9 O/ T" g
}
+ u. o9 @1 |* C4 M) v5 [- _: o1 o0 j
}
^3 k: O, u- p5 ]. |. z
void ST7789_SetPoint(u16 x,u16 y,u16 color)
1 ~' s5 ]3 ^& f
{
+ \$ N7 ^! ~( y9 v
Lcd_SetBox1(x,x+1,y,y+1);, }7 Y: o P3 L8 T7 I. ?
LCD_WriteOneDot(color); : y% i9 W- J/ z. _
}
E+ v4 p/ \: m1 E' O0 F* s/ t; l
1 M+ A" S( A$ c$ E0 T7 ?* a
//在指定位置显示一个字符
" o: k/ W0 R" d) Y' w! C
//x,y:起始坐标
8 t# R" I5 ?( }6 Y8 p A3 q
//num:要显示的字符:" "--->"~"
* K/ V7 R9 ~* f E
//size:字体大小 12/16/24) p8 _( S2 Z6 j6 Z/ B4 t8 h) M& A; i
//mode:叠加方式(1)还是非叠加方式(0)
$ S) r1 `7 a5 W' `1 n( t
void LCD_ShowChar(u16 x,u16 y,u8 num,u8 size,u8 mode)
0 o3 u F$ E# L" f+ ^8 C
{
# ^ w% ^6 W; D) Y8 k( c: ]3 |
u8 temp,t1,t;% t, \- {% x- E
u16 y0=y;- |3 ]) l+ y k7 Z+ x, E
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
2 N( R" F) g6 C2 U% Q x
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）1 Q: v2 X% h/ z* J
for(t=0;t<csize;t++)5 b+ ?! C7 c& E R" E
{ ! P; ~; e- k+ X$ R: i8 G& U: v2 h
if(size==12)temp=asc2_1206[num][t]; //调用1206字体$ h! S' H3 P9 ^! t6 P z4 T
else if(size==16)temp=asc2_1608[num][t]; //调用1608字体
1 y4 h+ x% B0 I0 `
else if(size==24)temp=asc2_2412[num][t]; //调用2412字体" M0 \' W7 C( T- z7 q. s+ B" |
else return; //没有的字库1 X8 F, b" H9 I) W: @2 k9 \- L
for(t1=0;t1<8;t1++)9 s- }. A4 R7 k% f0 Q; J
{ ! y- Z+ g0 E$ t; |' g2 n
if(temp&0x80)ST7789_SetPoint(x,y,POINT_COLOR);
/ w( F% N, _9 y+ J' i
else if(mode==0)ST7789_SetPoint(x,y,BACK_COLOR);; r1 y+ [ G+ [% t: N
temp<<=1;
0 q, ~ L8 v$ E+ x# N
y++;( B, t# B3 m3 i/ r/ i: T
if(y>=lcddev.height)return; //超区域了' P: T6 P' q/ w( p9 ~
if((y-y0)==size)5 q1 d% A+ E% M1 F. v9 x% \2 ?
{
" i9 q+ u) q: d5 A; W5 m
y=y0;8 \0 t$ |9 o% r3 v
x++;+ V& `; X" d; p+ T/ N
if(x>=lcddev.width)return; //超区域了
) V6 X! g' ?# J0 [9 s$ Q
break;
) ^0 x; k' i* Z% P
}( [4 x: r6 K- p2 W. O
} 4 {# H& M3 D N2 T
}
8 b" S8 J- Z5 L6 Y Z6 O
} ; g6 ]: R) U( |' p" O
2 J6 g: l8 E" m3 n+ W, H
- c! M. \$ b5 d6 v y% J
//显示字符串5 n/ i7 s0 \# s! G. \
//x,y:起点坐标# \# X/ v0 R; t
//width,height:区域大小
( p8 z5 _6 Z& n9 s w+ K8 L3 c- y7 a
//size:字体大小
: G- [' M$ a/ Q6 i4 @/ j
//*p:字符串起始地址 $ p0 \+ {$ O4 R/ ~$ n
void LCD_ShowString(u16 x,u16 y,u16 width,u16 height,u8 size,u8 *p)( G9 m; E6 [9 {) C$ Y. e0 l- U$ E
{ ) o+ K1 _1 z; t' I
u8 x0=x;; `" f g- K3 ^% \+ i3 y- M' K
width+=x;
/ g% a1 N! @" x, e5 [- d
height+=y;9 z: ~# R- C/ ^4 l6 q7 Q
while((*p<='~')&&(*p>=' '))//判断是不是非法字符!
# f2 O7 D& i) U0 x8 m' J% `. N
{ ( w1 f) F7 S( _ W0 f. J# Z
if(x>=width){x=x0;y+=size;}: O5 }& S$ U) v( t( `" Q; g1 o
if(y>=height)break;//退出3 R ?% b5 v, u. R- h* y/ ~/ M: v
LCD_ShowChar(x,y,*p,size,0);" A3 q; N8 O( {/ @& u
x+=size/2;+ `* ]5 v2 V7 u9 ?
p++;
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} ) H* J) A; f6 Y! y
}
+ v% V) x, g, w
- s5 g7 \# m2 I
# s# \- I- j2 T. z! d/ E

复制代码

3.2、st7789.h

#ifndef __ST7789_H4 F1 J( ~* E8 u6 C6 t1 z! U, c
#define __ST7789_H . e( ^1 P0 w5 c0 v9 p$ e! Y( |. Q
//#include <stm32f10x_lib.h>- `- ?% @- H% O- }0 }" V
#include <stm32f10x.h>% Z) Q# a( Z5 }% o: y2 u" B" K
+ s* X6 v; k( V
//LCD重要参数集/ J' E. A- A5 }; i
typedef struct
! w3 }: L# f3 \" f9 P% j" ^9 x
{ ) a) f5 Z# N4 F4 G2 C
u16 width; //LCD 宽度5 [1 E4 z/ ~- P' q9 H/ G
u16 height; //LCD 高度
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u16 id; //LCD ID
$ m9 U. ]6 M/ I* K& `1 D' B8 N
u8 dir; //横屏还是竖屏控制：0，竖屏；1，横屏。 , D0 Q; g( W. W# C1 U2 x4 Y; _
u16 wramcmd; //开始写gram指令4 E+ ?8 G4 ^9 E: |
u16 setxcmd; //设置x坐标指令
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u16 setycmd; //设置y坐标指令
* G9 r# p1 s' F0 T$ Y" t
}_lcd_dev;
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' _. j; f8 n S
//LCD参数+ s. J ~" c/ P
extern _lcd_dev lcddev; //管理LCD重要参数
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//LCD的画笔颜色和背景色
2 L0 ?* H4 x: j) s
extern u16 POINT_COLOR;//默认红色 ) D% k. L% Q8 h9 r4 ^& k
extern u16 BACK_COLOR; //背景颜色.默认为白色8 W6 e6 E0 x1 Y$ ]6 R0 n6 h
" T' j* j& B- ?) |: u+ ?
9 f2 G$ @, b4 l9 k
#define BLACK 0x0000 c; ~" o; f# J0 a# R8 d l1 p0 A. ~& b
#define BLUE 0x001F
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#define RED 0xF800; ~/ y' [" I7 o# g
#define GREEN 0x07E05 c6 d3 D S0 V2 `9 a Y
#define CYAN 0x07FF
" Z; B. q$ I! f9 [+ `
#define MAGENTA 0xF81F( T, O0 a% p* u1 M1 Z
#define YELLOW 0xFFE0/ o" o( T- O: H, v& U7 F$ Z
#define WHITE 0xFFFF 0 @/ l" {2 O1 z0 L* j
#define BACKCOLOR 0xFFFF
6 s2 S+ ]$ H% q+ @8 X
#define WORDCOLOR 0x0000
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) O3 @3 O8 H9 Y; n
q% [9 \! n5 X
#define Lcd_Light_ON
8 \* l+ \6 \1 a$ ^; U
#define Lcd_Light_OFF 6 j! m, B9 R& y' B0 o4 K6 ~: g
$ {( [" K$ b5 C# L$ d4 R
#define HyalineBackColor 0x0001 // Lihao 透明背景! ~ g1 U3 k: q" V. C: Z
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$ K' b0 s6 _6 U- u! C
/ G( M4 L+ o( l4 W4 {
; D/ K/ K3 s. \2 E
#define LCD_SetCs() GPIO_SetBits(GPIOB, GPIO_Pin_10) //PB10
! B# x3 \% X( d! M8 f* T
#define LCD_ClrCs() GPIO_ResetBits(GPIOB, GPIO_Pin_10) 2 ]" l& x7 I# Z+ |
#define LCD_SetWr() GPIO_SetBits(LCD_PORT_WR, LCD_Pin_WR)
7 L v# k& [9 U1 K+ s6 P% C
#define LCD_ClrWr() GPIO_ResetBits(LCD_PORT_WR, LCD_Pin_WR)* z2 \# i$ H4 M# D3 x6 ^. ]# z1 O
#define LCD_SetRs() GPIO_SetBits(GPIOB, GPIO_Pin_14) //PB148 G! F& W& ]# _
#define LCD_ClrRs() GPIO_ResetBits(GPIOB, GPIO_Pin_14)9 C o1 N& I' f5 w3 n5 v! `
#define LCD_SetRst() GPIO_SetBits(GPIOD, GPIO_Pin_11) //pd11
2 T1 z/ Y" S' P2 \: X: S, A
#define LCD_ClrRst() GPIO_ResetBits(GPIOD, GPIO_Pin_11)
4 \0 z q5 W8 `" X8 f0 L
#define LCD_SetRd() GPIO_SetBits(GPIOD, GPIO_Pin_15) //pd150 n* W, |2 j' ]4 s C \- m
#define LCD_ClrRd() GPIO_ResetBits(GPIOD, GPIO_Pin_15)0 r! D9 d% H2 m* Q
* P7 v3 s5 w# E% d3 t7 A
#define SetCs GPIO_SetBits(GPIOB, GPIO_Pin_10); //PB100 E! X- r% v+ U
#define ClrCs GPIO_ResetBits(GPIOB, GPIO_Pin_10); : @6 Z; v6 E+ Z# t9 m( S
#define SetWr GPIO_SetBits(LCD_PORT_WR, LCD_Pin_WR);
1 G9 K, }3 n( @
#define ClrWr GPIO_ResetBits(LCD_PORT_WR, LCD_Pin_WR);
; [0 J1 r- E5 _ t2 W
#define SetRs GPIO_SetBits(GPIOB, GPIO_Pin_14); //PB14( v: C5 }' c5 a) w" y8 M
#define ClrRs GPIO_ResetBits(GPIOB, GPIO_Pin_14);
7 D) C- C ~1 F+ I( L5 z( }
#define SetRst GPIO_SetBits(GPIOD, GPIO_Pin_11); //pd117 A! X) g- V5 r4 ?9 v
#define ClrRst GPIO_ResetBits(GPIOD, GPIO_Pin_11);6 _+ u7 Y+ ?+ e
#define SetRd GPIO_SetBits(GPIOD, GPIO_Pin_15); //pd15 R! c1 u; B2 x3 T( Y) ^$ q; m
#define ClrRd GPIO_ResetBits(GPIOD, GPIO_Pin_15);* c& [4 A9 ^6 r3 G1 G
#define LCD_Write(LCD_DATA) GPIO_Write(GPIOE, LCD_DATA)
! d, a# x' p2 ?& |
#define LCD_Read() GPIO_ReadInputData(GPIOE)
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) {. w- p" K& n
^( n$ \6 p% a
p3 S v3 G }" ` x S2 j
/* LCD Control pins */
7 [: W" d1 h* L6 b/ [5 J9 d
#define LCD_Pin_WR GPIO_Pin_15 //PB15& p7 r8 E) I% X4 s
#define LCD_PORT_WR GPIOB
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#define LCD_CLK_WR RCC_APB2Periph_GPIOB6 [! h- ^3 d. Q+ l( T
2 ?! w" v5 Q( W. M( ]
#define LCD_Pin_CS GPIO_Pin_10 //PB10
4 A" d5 M X( r7 ` n
#define LCD_PORT_CS GPIOB
3 w" w% _% Z* |7 g! i# q
#define LCD_CLK_CS RCC_APB2Periph_GPIOB2 n3 r0 ~9 R. r5 R9 p: d
2 G: d5 k, X3 Y8 m
#define LCD_Pin_RS GPIO_Pin_14 //PB14# t: R7 [" I# {! E/ A j
#define LCD_PORT_RS GPIOB
* T, ?: M' M4 G2 {
#define LCD_CLK_RS RCC_APB2Periph_GPIOB) x, v! Z a1 ?& \& ~
* j8 g! X+ d; x4 k# t
#define LCD_Pin_RD GPIO_Pin_15 //PD15
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#define LCD_PORT_RD GPIOD
`; n4 M1 C4 F# e5 A- Q. Q
#define LCD_CLK_RD RCC_APB2Periph_GPIOD
! |( w. @( B, W7 \) T% b
* @. |: Q% E- g9 C
#define LCD_Pin_RST GPIO_Pin_11 //PD116 J7 `+ N9 A& H) s
#define LCD_PORT_RST GPIOD
$ x8 [* c \4 ?$ F, C4 a
#define LCD_CLK_RST RCC_APB2Periph_GPIOD
* V. S' F6 e, ]! M' o
5 [: g- I7 L' T$ u. c
) w; i' |: q: D- |6 n
//void lcd_Initializtion(void);
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//int TFT_24_7789_demo(void);
( |* T9 x6 _. M4 w, a
; v- N+ O2 J, P# U& ~0 }
void LCD_Clear(u16 Color);
, B* g; \# t: p3 P% c
void LCD_Picture(u16 x,u16 y,u16 width,u16 height,const unsigned char *color);7 ^! ?' B- G7 Y. K+ v
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);9 W9 }7 ]2 R0 w
//void PutPixel(unsigned int x,unsigned int y,unsigned int color);" ~" x0 S9 B. b8 x1 _/ d( ?2 Q
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void LCD_ShowString(u16 x,u16 y,u16 width,u16 height,u8 size,u8 *p);
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void ST7789_Init(void);
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#endif6 V: }0 J9 E2 b% `- o4 Y0 Y
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3.3、程序源码

STM32F107VC_ST7789_LCD.rar (3.52 MB, 下载次数: 191)

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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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STM32F1

STM32F107VCT6 -- 驱动2.4寸ST7789显示屏

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