STM32F410 Nucleo-64 驱动点亮ILI9486的TFT液晶屏

STMWoodData · 2020-12-08T14:45:57+00:00

淘了一个3.5寸的液晶屏，是Arduino接口的，驱动IC是ILI9486。找了一块ST开发板带Arduino接口的，准备玩一下。如下图： (, 下载次数: 0) 上传点击文件名下载附件 (, 下载次数: 0) 上传点击文件名下载附件 (, 下载次数: 2) 上传点击文件名下载附件 & q$ _. [& b8 }8 F* F& X) @3 ~8 f& w, _* V; [: ` 下面使用STMCubeMX生成一个初始工程，LCD使用8位并口驱动，根据端口信息配置F410的IO端口和时钟。然后生成代码。$ Q* d( {! T% ?- s- Q% s (, 下载次数: 0) 上传点击文件名下载附件 (, 下载次数: 1) 上传点击文件名下载附件 J* M1 h Y9 ~7 v ; ^: C( e2 W, ^# f 下面添加LCD的驱动代码：/ n t% Q; K6 t" i* k7 J$ f: | #define HIGH GPIO_PIN_SET, w' A5 s' f M. J #define LOW GPIO_PIN_RESET8 l. O! m, e0 L) b8 i! Y$ i, a ! e9 T4 t, x+ F! }6 Q- ` #define LCD_RD LCD_RD_GPIO_Port,LCD_RD_Pin # H: g/ u+ {3 q, G/ J#define LCD_WR LCD_WR_GPIO_Port,LCD_WR_Pin d2 ?+ F: n/ b" u#define LCD_RS LCD_RS_GPIO_Port,LCD_RS_Pin " Z) R+ d8 } S: K9 U$ ^$ k# o4 j #define LCD_CS LCD_CS_GPIO_Port,LCD_CS_Pin 5 v) a, y, X: i2 X% p #define LCD_RST LCD_RST_GPIO_Port,LCD_RST_Pin 6 f6 \( q3 E) Z9 k5 `- }3 ?! C7 H- A, b- N& I3 Y3 d6 l #define LCD_D0 LCD_D0_GPIO_Port,LCD_D0_Pin " h: \/ q3 k7 _; M2 y" v#define LCD_D1 LCD_D1_GPIO_Port,LCD_D1_Pin0 |" _# Z2 a9 |. o x; s6 u #define LCD_D2 LCD_D2_GPIO_Port,LCD_D2_Pin * r' x S/ c8 G0 u#define LCD_D3 LCD_D3_GPIO_Port,LCD_D3_Pin 3 V; M; \/ ^4 F#define LCD_D4 LCD_D4_GPIO_Port,LCD_D4_Pin! O$ h1 B- C: c2 ?! g7 U/ n #define LCD_D5 LCD_D5_GPIO_Port,LCD_D5_Pin! c- i& x# u5 Q* G #define LCD_D6 LCD_D6_GPIO_Port,LCD_D6_Pin % n6 m9 [$ _. e* x#define LCD_D7 LCD_D7_GPIO_Port,LCD_D7_Pin* W4 R W0 B2 Q5 @: Z5 N2 r / Z) }* o$ d4 n #define LCD_CS_LOW() LCD_CS_GPIO_Port->BSRR = (uint32_t)LCD_CS_Pin BSRR = (uint32_t)LCD_CS_Pin //9 s4 a% U' J# H* A9 T" `! Q ///////////////////////////////////////////6 O) z- a4 Z7 k( j$ p+ P s0 \# u) } //LCD HAL Interface 2 y9 I0 c' g' s3 o* W8 A+ Nvoid Lcd_Writ_Bus(uint8_t vh) : n6 O* ^8 j4 G{ 7 ~7 A/ i1 T Z8 Y5 W0 a% r& A: s LCD_WR_GPIO_Port->BSRR = (uint32_t)LCD_WR_Pin BSRR = (uint32_t)LCD_D0_Pin; //HAL_GPIO_WritePin(LCD_D0,HIGH); : N1 V5 H, |0 q else LCD_D0_GPIO_Port->BSRR = (uint32_t)LCD_D0_Pin BSRR = (uint32_t)LCD_D1_Pin; //HAL_GPIO_WritePin(LCD_D1,HIGH); 7 v. F- @6 u0 ]7 v else LCD_D1_GPIO_Port->BSRR = (uint32_t)LCD_D1_Pin BSRR = (uint32_t)LCD_D2_Pin; //HAL_GPIO_WritePin(LCD_D2,HIGH); 4 O$ h- Q( k9 $ |" A$ f1 E: ` else LCD_D2_GPIO_Port->BSRR = (uint32_t)LCD_D2_Pin BSRR = (uint32_t)LCD_D3_Pin; //HAL_GPIO_WritePin(LCD_D3,HIGH); ' i" o; b# x# Q4 l( c; P, s0 `1 `7 f else LCD_D3_GPIO_Port->BSRR = (uint32_t)LCD_D3_Pin BSRR = (uint32_t)LCD_D4_Pin; //HAL_GPIO_WritePin(LCD_D4,HIGH); / F8 D; t9 G& |4 S else LCD_D4_GPIO_Port->BSRR = (uint32_t)LCD_D4_Pin BSRR = (uint32_t)LCD_D5_Pin; //HAL_GPIO_WritePin(LCD_D5,HIGH);. N# _6 _1 ^1 \- V* v/ f7 u; u else LCD_D5_GPIO_Port->BSRR = (uint32_t)LCD_D5_Pin BSRR = (uint32_t)LCD_D6_Pin; //HAL_GPIO_WritePin(LCD_D6,HIGH); 7 f/ e6 x0 _+ w7 f3 d/ ~6 N F else LCD_D6_GPIO_Port->BSRR = (uint32_t)LCD_D6_Pin BSRR = (uint32_t)LCD_D7_Pin; //HAL_GPIO_WritePin(LCD_D7,HIGH);# A" H0 M3 q, d3 f7 $ N* ]7 R else LCD_D7_GPIO_Port->BSRR = (uint32_t)LCD_D7_Pin BSRR = (uint32_t)LCD_WR_Pin; //HAL_GPIO_WritePin(LCD_WR,HIGH); 1 _; b G: o) Y1 U4 ^! N} X+ y# [6 _# R$ ?, v+ o: r0 y7 j 0 O4 t$ u5 ]& D* vuint8_t Lcd_Read_Bus(void)0 p0 m9 Q0 `( I8 y) Q {' T! V6 L4 b6 g5 V6 [' v- R( \' n5 u/ a uint8_t vh; / K* f# z: \: i6 a; ~2 v % g8 A# ]- i2 i# S& x LCD_RD_GPIO_Port->BSRR = (uint32_t)LCD_RD_Pin BSRR = (uint32_t)LCD_RD_Pin IDR & LCD_D0_Pin) != (uint32_t)GPIO_PIN_RESET) vh |= 0x01;+ Z/ Q K/ k; V" G if((LCD_D1_GPIO_Port->IDR & LCD_D1_Pin) != (uint32_t)GPIO_PIN_RESET) vh |= 0x02;, T2 k+ `4 `# [8 } if((LCD_D2_GPIO_Port->IDR & LCD_D2_Pin) != (uint32_t)GPIO_PIN_RESET) vh |= 0x04; , d3 X" t6 I# Y, B" Q+ D: V7 r6 q if((LCD_D3_GPIO_Port->IDR & LCD_D3_Pin) != (uint32_t)GPIO_PIN_RESET) vh |= 0x08; # _4 b8 d9 N- s4 {, M( S if((LCD_D4_GPIO_Port->IDR & LCD_D4_Pin) != (uint32_t)GPIO_PIN_RESET) vh |= 0x10; 4 c3 K1 S2 i7 ~; h if((LCD_D5_GPIO_Port->IDR & LCD_D5_Pin) != (uint32_t)GPIO_PIN_RESET) vh |= 0x20; ( n2 G0 G2 s7 p2 m7 L7 Z if((LCD_D6_GPIO_Port->IDR & LCD_D6_Pin) != (uint32_t)GPIO_PIN_RESET) vh |= 0x40; E( \5 _ w% t3 \ if((LCD_D7_GPIO_Port->IDR & LCD_D7_Pin) != (uint32_t)GPIO_PIN_RESET) vh |= 0x80; 8 Y7 t$ ^6 Q! O9 ?6 Z; I; ? LCD_RD_GPIO_Port->BSRR = (uint32_t)LCD_RD_Pin; //HAL_GPIO_WritePin(LCD_RD,HIGH);) I/ B# j) J( L* V" U+ P return vh;8 e6 |/ w+ C8 S# K( U1 _' s- T } * J& j( T- y6 b) p _ ! J) r1 p" ^+ }3 {' }0 z7 o8 ^ & i- N; s% L& q9 g; H# lvoid lcd_write_cmd(uint8_t VH) 1 \# o/ l/ y9 b6 |7 N, V { ' W j1 O, g+ z6 a LCD_RS_GPIO_Port->BSRR = (uint32_t)LCD_RS_Pin BSRR = (uint32_t)LCD_RS_Pin; //HAL_GPIO_WritePin(LCD_RS,HIGH); 7 O3 E' u/ o) Z Lcd_Writ_Bus(VH); " Z- h1 H' g, V+ m/ n# u, J; R} : f1 U" Y+ @5 `0 K+ W! h6 w; I5 e0 m uint8_t lcd_read_data(void)2 T$ `" h& P5 K0 S {! D2 I* q9 W+ C/ X1 C3 z uint8_t vh;& J/ w& p1 F* Q: O 6 }6 L5 c0 m, Y& e' i" f GPIOA->MODER &= 0XFFC0FFFF; 0 L9 @' u/ \1 L# v: O' b5 x GPIOB->MODER &= 0XFFCFF03F; 1 @! ?! l3 \9 g: V) J) L# Y7 u GPIOC->MODER &= 0XFFFF3FFF;) ^9 s) \' j0 u! M ( }. Q- B9 Z' p/ L; p2 M$ z LCD_RS_GPIO_Port->BSRR = (uint32_t)LCD_RS_Pin; //HAL_GPIO_WritePin(LCD_RS,HIGH);" l% T& M, Z: X7 t: x O, m vh = Lcd_Read_Bus(); # z0 D) L+ @4 k t % g; h( r3 g' y. O2 B) _+ q GPIOA->MODER |= 0X00150000; / E6 V8 v; l5 M! E GPIOB->MODER |= 0X00100540;/ T% S- |) ^, ~/ [+ e- w# N; U GPIOC->MODER |= 0X00004000; - Z" U7 x9 B! N : B. S2 [. |% m( D return vh;8 L( b: O4 Z3 e7 R, k# P* R }复制代码下面LCD初始化： ) Q/ H$ A: L. o; G8 uuint32_t lcd_init(void) 8 {$ O3 n8 j0 Y& s% [; u( z1 `{! K) U8 H; s8 e2 T0 M3 W uint32_t id,id1,id2,id3;) V" W( c9 ~' L; @1 v HAL_GPIO_WritePin(LCD_RST,HIGH); % O/ b. T. Y' E* h) R Delay_ms(5); 3 S+ D1 Q. m! P1 D8 f% D1 M* L HAL_GPIO_WritePin(LCD_RST,LOW); ) _1 j. F: y7 z+ D Delay_ms(15); . ^0 F7 u5 W) w# ~ HAL_GPIO_WritePin(LCD_RST,HIGH); 8 d8 v" Y- N. v) A Delay_ms(15); ' S$ g$ g# W2 z5 O5 O+ { 2 @2 C- u, G8 x5 B0 @( g3 k HAL_GPIO_WritePin(LCD_WR,HIGH); R5 {) B) l: p4 A( @8 e' ^1 f HAL_GPIO_WritePin(LCD_RD,HIGH); ' V v+ `& i- N, C4 w / ? y0 t" D- J9 V% b' g+ } LCD_CS_LOW(); //HAL_GPIO_WritePin(LCD_CS,LOW); //CS7 `( {- b/ u% M( ~9 d8 z * _' u6 A0 B% P, L( _* w lcd_write_cmd(0x11); //Sleep Out % N" i1 W* F6 j Delay_ms(150); 4 s0 h1 d9 R; ~% T$ l- [1 _ lcd_write_cmd(0x13); // . o8 K) c7 J, p) j/ g5 g( R! ~" p( ^7 {1 r8 r* @5 e lcd_write_cmd(0XF1); 5 ?7 m; _: F6 _9 m, Q lcd_write_data(0x36);, C. `% U1 v+ `, I' U9 ~/ `% r3 I3 |5 } lcd_write_data(0x04); 9 s2 t* a% a4 ]. l/ M! [- b y2 ^ lcd_write_data(0x00); B! S8 V9 |4 i: W3 D6 ] lcd_write_data(0x3C); * E3 P! x4 b9 Z) j3 B- T) ?! { lcd_write_data(0X0F);: I% E! ~5 B- p lcd_write_data(0x8F);" U. Q$ D4 E+ b7 c3 n0 T ! {3 s( s2 m8 z$ Z- y lcd_write_cmd(0XF2);6 r# a* t$ n/ C6 |9 w% Q lcd_write_data(0x18); 4 ], j- X0 ~ O5 I lcd_write_data(0xA3);- D" W8 N# k2 W* j0 a+ e lcd_write_data(0x12);6 c" }5 X) n0 Z8 O- M lcd_write_data(0x02); ' ?& [# r$ M2 m7 k3 y& x- G lcd_write_data(0XB2); b9 Q( S F0 D, r4 P8 i( M lcd_write_data(0x12); 1 S" @7 b5 l7 R9 f7 e& l- S; q lcd_write_data(0xFF);# J: P" H h. y8 {7 Z: }% ]/ T l lcd_write_data(0x10);- V- W/ J* f$ J$ q4 P lcd_write_data(0x00); 1 G2 @& j: `1 Q J/ T! Q " u# W+ a( k* W& }7 ^- z" p. o lcd_write_cmd(0XF8); # c5 Q5 |) b g% G2 ^ lcd_write_data(0x21); M" X# k3 H+ i2 o! _2 }- y lcd_write_data(0x04);! P/ A4 r `5 O( @3 B- G! g0 U ; R* v4 F: U' J% S2 w lcd_write_cmd(0XF9); 1 K( ~8 E6 y0 E a2 n' W# \4 P+ H+ L lcd_write_data(0x00);' f: ]1 H6 K- R# U$ z) O) R lcd_write_data(0x08); / n& `# V' ?- L4 B9 {9 n 9 U* _9 H5 Q4 }# Q lcd_write_cmd(0xB4); ( X. E0 M) y' \ lcd_write_data(0x00);' Y* o# n6 p2 S+ } / }0 ~5 y8 ~$ _6 w- M! }3 U lcd_write_cmd(0xC1);; z3 B3 L) i+ U lcd_write_data(0x41); ' M* S% p" t& J# ]& H( A+ r 3 C) l1 M: b4 ^$ B6 \$ @ lcd_write_cmd(0xC5);' U' n: T0 N4 W: o7 y lcd_write_data(0x00);3 P; M3 v C) D" x5 t lcd_write_data(0x91);+ F9 n0 a: J: \& ?. T! [- W) W; g; E lcd_write_data(0x80);. g5 R& k/ @, i; b Z6 D lcd_write_data(0x00); + s5 X5 ?4 U. r4 Y2 W; M5 W : g9 b. I- q; R8 ] lcd_write_cmd(0xE0);; _) y3 N- B" \$ J& I0 w, O, A8 h lcd_write_data(0x0F);+ W$ }( y1 }% s# R2 S lcd_write_data(0x1F);- H# V0 N1 ^7 H6 r" ^ lcd_write_data(0x1C);& V. `% a6 f7 _- g lcd_write_data(0x0C);5 x% Y) ~% P2 X lcd_write_data(0x0F); 4 J- R/ W: S, R1 s8 b+ T2 N lcd_write_data(0x08); 0 U ?( J& }' Y+ D4 q lcd_write_data(0x48);0 p, p7 j g% z6 G lcd_write_data(0x98); $ l$ q$ E7 K( ^6 S) V. e0 q: k lcd_write_data(0x37); 3 R/ g3 L1 p) ]$ l* M- l2 b+ y lcd_write_data(0x0A); 5 A. p, Z$ d& T9 H1 b" L+ x lcd_write_data(0x13);& n2 k" r- |3 `& v! ?; s lcd_write_data(0x04); O. h+ r: v% j$ g' ~ lcd_write_data(0x11);& I; p o2 p9 [. h4 G lcd_write_data(0x0D);3 a+ n7 }6 G3 h1 s1 k( P lcd_write_data(0x00);" t3 l! P3 f4 h% U' L, }5 |2 h 8 L- U5 ~ s1 {! j4 r lcd_write_cmd(0xE1);0 D( l9 H( v* c lcd_write_data(0x0F);3 i; {! v W/ F+ R! F7 Y' U lcd_write_data(0x32);- g1 }8 L* I# h4 | c lcd_write_data(0x2E); / ]& U* H* l* I lcd_write_data(0x0B);' `3 Y9 j' H$ r; A7 \ lcd_write_data(0x0D); 7 o8 j" I5 U/ |; K- i" z0 \' B lcd_write_data(0x05);! k% P3 s, D( P: w4 k+ Y+ L lcd_write_data(0x47); - p" w+ J; f9 ^% w6 j0 @5 [: x lcd_write_data(0x75);% h9 ?+ t0 B, a2 Z8 o9 Z% F# l lcd_write_data(0x37);% b6 u. z' y3 X7 `1 x9 p8 Y lcd_write_data(0x06);! f8 T1 n5 A: D! _$ l lcd_write_data(0x10); ]2 d2 P& m9 S- Y lcd_write_data(0x03);: \! l: a9 o1 R! R lcd_write_data(0x24); 3 t7 Q( \3 k) [( z8 U! u/ K" G lcd_write_data(0x20);" c2 F" X# k3 a- W lcd_write_data(0x00);' j. j" C: K2 I$ L; L( `! ^ 8 d+ R8 u7 j5 N( _/ J: l, k lcd_write_cmd(0x36); //. j n5 L) j& b& S# l; c lcd_write_data(0x48);& F `7 ~+ L0 ^5 @) {4 b 7 M5 M$ {# x7 b& r: s lcd_write_cmd(0x3a); //5 t) J2 h8 f7 i* { lcd_write_data(0x55);* f" v5 i& Y' {: O# s6 |9 S' x 5 f2 }! c% c- X4 V9 j7 [& N/ X" i lcd_write_cmd(0x29); //Display On 8 f2 B; @! u# c! l6 u8 r Delay_ms(5); 0 c s" X* {2 s/ T L) P* O$ R 0 s3 h: |# {0 D2 S lcd_write_cmd(0xd3); //read id M2 t" O3 w0 u v$ U4 K lcd_read_data(); //dummy ' X' v4 Q1 _ H( d5 t; B id1=lcd_read_data(); ! V6 x1 E5 w" w x) C id2=lcd_read_data(); 0 ?9 l( Z8 {. w% Z5 N id3=lcd_read_data(); 3 @. e" e9 y2 F% ~/ K( _' t id = (id1<<16)|(id2<<8)|id3; ; \ p6 G P' Z; l ! p; Z( p- Y4 h. Y: S LCD_CS_HIGH(); //HAL_GPIO_WritePin(LCD_CS,HIGH);" y# r# S$ V' K/ x H' P2 m 8 l- c/ U& Y# a; N return id;$ E2 h% O) R) i4 ?, h! e% E } 2 G8 t. |$ i1 P& }! [复制代码下面是LCD绘图接口：6 u( P- H7 q6 \7 x5 L& T' T ////////////////////////////////////////////////////////////////////// ! V, j7 z. M: H3 }5 t//LCD API- T) [8 Z8 |' K' X& o' _ void lcd_address_set(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)2 s# s( {) T* c. m { 3 T- e" Z s9 v lcd_write_cmd(0x2a); v& E _* C0 C lcd_write_data(x1 >> 8);& ~" w4 A1 p) z3 ^' e: S lcd_write_data(x1); 3 z7 N. S- X; i I lcd_write_data(x2 >> 8); # M* i5 W" [: c; S lcd_write_data(x2);0 R" L J' f, M+ m( S, z- y$ N8 T 7 M& _- }, K2 C7 l% w lcd_write_cmd(0x2b); + L, V: u. t: @/ p1 V$ f lcd_write_data(y1 >> 8); " I" z( l5 y$ e* l/ M/ V- `9 Q lcd_write_data(y1);) i8 e0 ~' L* p( y7 C. Z3 b lcd_write_data(y2 >> 8); * t' x2 s& [. D7 ~) ]- e6 H, y lcd_write_data(y2); % s6 q2 @! l0 z2 w, p: f0 H4 r# A9 G& e: p0 } lcd_write_cmd(0x2C); 9 y4 x. q- I+ I; c}2 j4 ~8 |. }8 I - P& b' F6 ?& a1 D3 K N+ @3 g7 uuint8_t lcd_open_window(uint16_t x, uint16_t y, uint16_t width, uint16_t height) # V& V8 ^) j/ h/ }3 j{ r9 v. o% F5 G1 H( S' |. [ if ((x + width > LCD_W) || (y + height > LCD_H))/ |" x9 G3 l: A& u$ B. A { ' U8 u6 c+ Y3 W, U; C# x return 1; / S' f# o+ j1 ]" K+ z }5 M; y" q, W% m3 ] f# { lcd_address_set(x, y, x + width - 1, y + height - 1);3 `; h! [9 G: b {3 E return 0; 3 F- R3 W1 V! U3 z7 L8 p}! ^8 N) {6 u4 _( [8 Z - ?) m) d' s* ~void lcd_point(uint16_t x, uint16_t y,uint16_t color) 2 K+ ^& M9 J0 Y: W: {{0 i( c* Y4 T4 M" \' Y if ((x >= LCD_W) || (y >= LCD_H)) return ; 6 A u' J9 F9 m7 F & l( \+ i4 m1 [; d# i1 j LCD_CS_LOW(); //HAL_GPIO_WritePin(LCD_CS,LOW); 9 D& U& S2 W2 d _ L& b6 R" R lcd_address_set(x, y, x, y); / t7 W" H0 T2 h# [ lcd_write_data(color >> 8); : f7 O/ _& g! X3 S+ z lcd_write_data(color); 9 n9 ^$ F/ \* V8 T LCD_CS_HIGH(); //HAL_GPIO_WritePin(LCD_CS,HIGH);& j! _" Z4 i% S' n- v/ ]- [ }# q$ @. f" l- q, n8 ` 7 z1 N) h* z) \* c7 @2 F void lcd_h_line(uint16_t x1, uint16_t y1, uint16_t x2,uint16_t color)/ T, s- L+ v; i9 e& e# Z& D3 U& b E8 `$ K { + [4 |2 d( {, d+ O$ P# s- P) k2 t uint16_t j; ; X! Z& M& ?; N" }! w uint16_t x_e;$ s3 Q2 b0 w, d; K0 H* s 3 p4 _/ {0 a& _8 }6 y/ K% [ if((x1 >= LCD_W)||(y1 >= LCD_H)) return ; , q/ \. k4 a, V) _ x_e = x2; 5 e7 m% v, g2 E; w2 v r if(x2 >= LCD_W) x_e = LCD_W - 1; $ S- L* D) d3 ], o+ }! E/ Q ' s2 B6 Y( E" {6 J LCD_CS_LOW(); //HAL_GPIO_WritePin(LCD_CS,LOW); 3 y( E6 Y" {0 D: x lcd_address_set(x1, y1, x_e, y1); ( e C; x* n/ v& }% A) ] for (j = x1; j > 8); y1 D. \: W2 d7 o7 V o1 [! N( s lcd_write_data(color); & @; H' ~2 a: w4 u }; k0 o( X B" w. c9 g; i6 ]/ g: G LCD_CS_HIGH(); //HAL_GPIO_WritePin(LCD_CS,HIGH); 6 z9 V& v: M# |9 t}$ {6 q/ u! y! o# N( f4 g% L 2 }; j6 b5 W4 Y0 zvoid lcd_v_line(uint16_t x1, uint16_t y1, uint16_t y2,uint16_t color)% G8 R' T) ~, N1 `8 G3 {" w8 V { + Z9 P0 [1 J0 F- c uint16_t j; . m6 y$ S) S$ |7 z# g9 N uint16_t y_e;/ k6 S6 @3 B9 j w' \' O3 y$ q % S2 X. F, h' v+ ? if((x1 >= LCD_W)||(y1 >= LCD_H)) return ; / I) |! d. `9 {! _ g/ } y_e = y2; ( q, x ]0 f" X( J$ o; L if(y2 >= LCD_H) y_e = LCD_H - 1;0 t% u4 m' m. m3 J- V5 Y$ _8 f( L 3 q% D# K/ X5 e3 ]+ E LCD_CS_LOW(); //HAL_GPIO_WritePin(LCD_CS,LOW); 4 P& V% K7 n+ j# O B lcd_address_set(x1, y1, x1, y_e); $ _. E& N+ s$ J! m for (j = y1; j > 8);" ]; f. n# i; o" ], Z7 r lcd_write_data(color); % n7 S% x: h/ }2 `& ?" { }6 w9 K! B( @' V/ Y LCD_CS_HIGH(); //HAL_GPIO_WritePin(LCD_CS,HIGH);. P/ C. X0 b% d } 8 |* P! K) l; I7 i+ |1 \2 x& n& M1 a) d) T) S- f void lcd_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2,uint16_t color); j1 {' V+ T2 x: [% F' G$ I7 U {8 W& g7 t% d5 ]1 U( c8 c' F1 r8 o uint16_t t;& ]8 U0 Z% |/ a( z" d uint16_t i = 0; $ A# [2 O' B y% d+ D1 w: y 3 f$ h; o% s! X' g; | int xerr = 0, yerr = 0, delta_x, delta_y, distance;' l8 P- V+ G7 k; U2 J0 M% Q. z int incx, incy, row, col;6 j& R _+ a6 K4 M9 c. `, f $ \% Z. r* Q. c7 g9 d) q* w if (y1 == y2). w( T1 t9 _# Z d) c& _ { 0 E8 w' {* @, e if(x1 < x2) lcd_h_line(x1,y1,x2,color); , M6 s4 y. l/ _# w else lcd_h_line(x2,y1,x1,color);: M0 h) Q2 W; k9 p }else if(x1 == x2) - Y t s, u( ?# J x. B: i% U { + A9 l% A |1 {1 `& c k' B5 E. v if(y1 0)incx = 1;/ l5 J* U2 a( t9 _; }* k# l else if (delta_x == 0)incx = 0;5 t# b, i: T2 T1 Y6 s) d0 { else 9 t% E. s2 i3 z# [! S: ? {2 W# B$ f9 X3 G/ V4 a incx = -1;( T$ a4 S4 O, ^4 [ delta_x = -delta_x; 4 f' v h' {' C1 f } N2 I" U6 o5 D& Z! | 1 E0 _! k& X# z0 Q! T if (delta_y > 0)incy = 1; " y4 M# p% Y3 W* @0 b) s8 v1 Y else if (delta_y == 0)incy = 0;% }1 B( a9 F& D3 d" {3 d- F else 5 G8 Y! c- L1 i* u( v8 e {- I! u7 Y# [8 g- u- W. A' m incy = -1; 3 L0 r$ j; k% s8 R6 U) {$ ?1 J delta_y = -delta_y;& o) B! S+ X0 H- @/ `6 _6 h }; H7 X1 S$ ]2 U$ q # Y7 |! I$ o9 g E. \0 K7 e7 j7 r if (delta_x > delta_y)distance = delta_x;' u; y* v# ]8 W7 _9 z8 @! h else distance = delta_y; 6 j7 f1 ?+ h; U/ n$ D9 Z. q- n+ z J, r for (t = 0; t distance)7 B' a% z2 y5 P: T0 T$ e* p { 8 L2 m5 v, w& u+ k2 Z" `8 ]4 P xerr -= distance;: B. m. `! ]5 G% O* j row += incx;, M; ^: A7 x% U4 {5 S) y* |1 | }$ d7 k8 ~8 d" [7 ]3 `: m if (yerr > distance) 9 [5 t e9 e; h+ v) S& d$ Y {, m/ ?, p0 }% t& ] yerr -= distance; 2 Y/ v" x6 F. Z- O col += incy;. a5 T ? j# [" H% A. L# l }9 c+ }! B4 ]5 j; o$ e }+ S: r, a$ _: M7 R# G# E } % S8 [) o% F7 Q4 ]}7 }! E, f% M$ f: Z9 k 8 {# J& V6 Q/ {2 r void lcd_fill(uint16_t x_start, uint16_t y_start, uint16_t x_end, uint16_t y_end, uint16_t color) 0 C; Y# n; ]5 r{ ' k8 c1 `( t+ Z% ^2 l- o; e: Z/ r uint16_t i, j; & {) x( p9 u: N- p uint16_t x_e, y_e;4 L' P8 n, A. c% N uint16_t total_size;0 L0 H I' v4 u, h uint16_t total_len;$ m2 G6 }+ Y/ z 8 O& W+ J7 j. C n* S if((x_start >= LCD_W)||(y_start >= LCD_H)) return ;; }6 |- ~4 D { x_e = x_end; " \1 \0 D3 @! H: h7 v$ N y_e = y_end; 7 P7 U9 e/ k: Y) J! Y: a+ \ if(x_end >= LCD_W) x_e = LCD_W - 1; ; L' U& D! ~; k, O6 y if(y_end >= LCD_H) y_e = LCD_H - 1;/ M/ [! s( V0 i; y" |$ v $ W% Y7 {% x, J" M, s8 m LCD_CS_LOW(); //HAL_GPIO_WritePin(LCD_CS,LOW); 1 m( j$ R4 G7 p" m7 H0 E4 x lcd_address_set(x_start, y_start, x_e, y_e); - l7 u* Y$ Y/ Y9 h3 L( H' c, Z) f for (i = y_start; i > 8);; C ~! {* _) o. f& w lcd_write_data(color); * W2 k9 A, U+ i9 _ }" U4 j& w: u+ u& k6 I } 4 A: ]# l: M, f0 i6 T7 J t' W LCD_CS_HIGH(); //HAL_GPIO_WritePin(LCD_CS,HIGH);( C6 \7 ?5 n! f9 k0 V }% J9 _* D' W" @( ] 9 O+ ^( j E# @& E# U0 O0 Vvoid lcd_fill_buff(uint16_t x_start, uint16_t y_start, uint16_t x_end, uint16_t y_end,const uint8_t *buff)# w9 \) {4 R; [& Y. D: `' F& ? {- V) V6 i& b# R! u: g uint16_t i,j,color;9 f2 i# G" Z/ I3 R% N; J' x uint16_t x_e, y_e; ; b% f3 ?7 ?" L+ Z! Q uint8_t *ptr; 2 a. g4 r( L/ z+ y# y2 x2 U8 T/ }' P/ i# \9 J( ]; S3 U+ y/ M if((x_start >= LCD_W)||(y_start >= LCD_H)) return ;! r% R% l, [3 d! ]% u x_e = x_end;' ~( W1 z9 u- K4 G6 O5 l# O+ I- ` y_e = y_end; . I( ]1 f+ T: K6 h7 c if(x_end >= LCD_W) x_e = LCD_W - 1; 7 t5 S0 o# R5 }- L) S9 v if(y_end >= LCD_H) y_e = LCD_H - 1; 5 I& j3 [ c3 b ( J r2 p" P$ R1 `8 A( o, C+ l if (buff) & @1 K! d) H* O# P { . c; H8 z/ _2 h, F0 O( n ptr = (uint8_t *)buff; # C# T" Z% m- E M+ V) Z9 z7 H LCD_CS_LOW(); //HAL_GPIO_WritePin(LCD_CS,LOW);4 ?, T1 [2 z, }$ d9 M lcd_address_set(x_start, y_start, x_e, y_e);+ p8 q% g* M' B; v0 j5 x for (i = y_start; i <= y_e; i++)" T, A- m9 J! Y! X6 L9 O { , W7 _2 \ m: a6 @4 M, N for (j = x_start; j <= x_end; j++). K/ m( r2 m7 H$ Y, E {# {: Y; c2 J1 K$ G- {$ ^ if(j <= x_e) ) q- k; @1 o7 ?2 A { ' f" n3 J* Y. ?# E& U! { ] lcd_write_data(*ptr);1 |+ b$ u: U0 } lcd_write_data(*(ptr+1)); ( }7 M2 e Z: e+ ^! p3 {4 Y } 9 h; R8 r; P) c- b. } ptr += 2; ; z) m! u7 q9 b: x! n }1 }, _0 J) R2 E0 T: o7 B } % F# r. w' C! J# s LCD_CS_HIGH(); //HAL_GPIO_WritePin(LCD_CS,HIGH);& R# U* \# Z0 d& c; m }: b5 Y$ t; i' S* I/ \! S }4 H, z) p2 i* t" O + I% r5 t0 Z; { ///////////////////////////////////////////////////////////////////// 3 |3 v& t; _5 m+ q: {& x6 f/ ~void lcd_draw_rect(uint16_t x,uint16_t y,uint16_t w,uint16_t h,uint16_t c)" r6 B3 k& Q g% {; t {5 u3 h4 X* I7 w! A% | lcd_h_line(x , y , x+w-1, c); / F7 K9 q; E2 M3 j- J9 m1 e lcd_h_line(x , y+h-1 , x+w-1, c);' z7 T0 L- n2 u; @7 a' y! b6 | lcd_v_line(x , y , y+h-1, c); + Z/ V9 N9 R( m2 @9 T$ y lcd_v_line(x+w-1, y , y+h-1, c); # \7 D7 V5 J {7 k) e- Q} " ^* @% C, s7 K* [' w) X6 a6 u7 _( M+ X6 b void lcd_fill_rect(uint16_t x_start, uint16_t y_start, uint16_t width, uint16_t height, uint16_t color) R( o5 b2 F1 W% |" W { 3 v1 G$ X% G, c5 G% j lcd_fill(x_start,y_start,x_start+width-1,y_start+height-1,color); / b( @ j: @- U( f( D( D} 6 }' U# R$ l: I" K% X% r7 F3 n; T, ~& t) o, q7 ] void lcd_draw_circle(uint16_t x0, uint16_t y0, uint16_t r,uint16_t c)9 `- A' x% M1 [1 X m {# f. w+ G5 P- D' Q- H int a, b;% V: @, \+ P7 T) F6 e1 i6 | int di; 5 |6 Z ~: [1 D! _% i; c3 M* \6 M& E+ T a = 0; g4 D1 t, {% r1 N b = r;0 ?2 d+ j" v' W) { di = 3 - (r << 1);, o% P3 I1 t3 u" y2 h1 i while (a <= b) 4 N& A: P4 ^- H4 T* W { `, U. F( J' z) ^ lcd_point(x0 - b, y0 - a, c);# b2 q4 n1 T8 o1 c lcd_point(x0 + b, y0 - a, c); h- t. g E/ W% V& ~ lcd_point(x0 - a, y0 + b, c);2 J2 x5 _2 v& ~% \$ ? lcd_point(x0 - b, y0 - a, c);5 ]" C- H) Z1 p) x* `, t9 K lcd_point(x0 - a, y0 - b, c); & h" K2 K0 U1 P4 Q7 } lcd_point(x0 + b, y0 + a, c);+ M0 i8 L. b& I/ }3 V7 M lcd_point(x0 + a, y0 - b, c);. B7 W+ P1 @7 ^0 C lcd_point(x0 + a, y0 + b, c);; G! I$ ^6 _* h lcd_point(x0 - b, y0 + a, c); 0 a& Q- Q+ E. K# B" s9 n/ h; c a++; - a/ ~3 @+ D; O# h3 H //Bresenham * Z$ @/ M! T7 ~) r if (di < 0)di += 4 * a + 6; * |: e$ h( z) g1 d6 m else % r, h$ w `0 h* K' P { $ \: Z3 \9 X# q+ W9 c di += 10 + 4 * (a - b); $ e% W; l3 s+ T+ p& \8 a b--;7 e1 O9 I G# k0 ~0 Y! ]7 Y2 b: K; i }2 U! j1 p/ |6 ] _3 d; l3 @$ ~ lcd_point(x0 + a, y0 + b, c); , f6 @/ n }, @, z( l3 Z }( s0 @- I, H8 M# \. p7 Y- u9 c$ b } - X9 h. K, N: ?( }! h: k+ H% B3 \+ Z# y G/ Q' {# O* t1 ?' h void lcd_clear(uint16_t color) , h' d. n8 o! x9 n. t& t9 n) ?( F. m{ . W" g9 s5 P, f! Q7 [; [ ^ lcd_fill(0,0,LCD_W-1,LCD_H-1,color); : q5 v# l5 \2 p1 }} - w3 S" \/ _4 q- w- l$ |/ t* J: i p X% e% a6 E void lcd_show_image(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint8_t *image)& b$ p+ M9 i* H; y: @9 w" ? { " o& d+ r% Q6 D" z) V( \% j lcd_fill_buff(x,y,x+width-1,y+height-1,image); ! B) Q' `' d% }9 w! z* B( w4 X}复制代码 (, 下载次数: 1) 上传点击文件名下载附件 : x) K) U# ^% k) ^ S* g, l (, 下载次数: 0) 上传点击文件名下载附件 0 e7 D1 Q) B4 c/ K6 ~: ?8 Y6 e . L- P) D5 n2 Q a- F4 o 很顺利的搞定了，后面准备移植一些GUI玩玩。 ) U6 \- `" M; F" n& H r5 K- }, h1 z/ X ili9486： . w9 W6 |9 U9 T0 d# ] (, 下载次数: 4) 上传点击文件名下载附件 V+ j7 c6 E+ E9 U " r( a* O0 b- r, `3 ^ $ p+ i! W. I- U整个代码工程：( a& M& F; _# ]8 q0 n% f, h' m (, 下载次数: 8) 上传点击文件名下载附件 ! H# U5 n8 j$ S: j1 I X ' h0 g3 M( f. M9 u3 Q. c ( S! i4 }& N" j/ t& ?4 g9 \ " H% \7 }8 @0 e . {$ r# f6 i8 M) O! l( R# A! Z % W3 G8 O7 G! f" K3 h+ E$ p+ v$ O: n - r# m" n/ r6 u2 b. ^- o) [8 S+ |