Shinichiro Nakamura
SG12864A
Dependents: SG12864A_TestProgram
Revision 5:4d86043f7942, committed 2010-08-10
- Comitter:
- shintamainjp
- Date:
- Tue Aug 10 12:52:53 2010 +0000
- Parent:
- 4:200d1ea4e76e
- Child:
- 6:bc2da4c1c5a0
- Commit message:
Changed in this revision
--- a/SG12864A.cpp Tue Aug 10 12:36:05 2010 +0000
+++ b/SG12864A.cpp Tue Aug 10 12:52:53 2010 +0000
@@ -1,528 +1,523 @@
-/**
- * SG12864A Graphics LCD module driver class (Version 0.0.1)
- *
- * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
- * http://shinta.main.jp/
- *
- * See also ...
- * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
- */
-
-#include "SG12864A.h"
-
-#define setPixel(x,y) buffer[((COLUMNS * 2)* ((y) / 8)) + (x)] |= (1 << ((y) % 8))
-#define unsetPixel(x,y) buffer[((COLUMNS * 2)* ((y) / 8)) + (x)] &= ~(1 << ((y) % 8))
-#define swap(a,b) {int c=a;a=b;b=c;}
-
-const uint8_t SG12864A::font5x7_data[] = {
- 0x00, 0x00, 0x00, 0x00, 0x00, // (white space)
- 0x00, 0x00, 0x5F, 0x00, 0x00, // !
- 0x00, 0x07, 0x00, 0x07, 0x00, // "
- 0x14, 0x7F, 0x14, 0x7F, 0x14, // #
- 0x24, 0x2A, 0x7F, 0x2A, 0x12, // $
- 0x23, 0x13, 0x08, 0x64, 0x62, // %
- 0x36, 0x49, 0x55, 0x22, 0x50, // &
- 0x00, 0x05, 0x03, 0x00, 0x00, // '
- 0x00, 0x1C, 0x22, 0x41, 0x00, // (
- 0x00, 0x41, 0x22, 0x1C, 0x00, // )
- 0x08, 0x2A, 0x1C, 0x2A, 0x08, // *
- 0x08, 0x08, 0x3E, 0x08, 0x08, // +
- 0x00, 0x50, 0x30, 0x00, 0x00, // ,
- 0x08, 0x08, 0x08, 0x08, 0x08, // -
- 0x00, 0x60, 0x60, 0x00, 0x00, // .
- 0x20, 0x10, 0x08, 0x04, 0x02, // /
- 0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
- 0x00, 0x42, 0x7F, 0x40, 0x00, // 1
- 0x42, 0x61, 0x51, 0x49, 0x46, // 2
- 0x21, 0x41, 0x45, 0x4B, 0x31, // 3
- 0x18, 0x14, 0x12, 0x7F, 0x10, // 4
- 0x27, 0x45, 0x45, 0x45, 0x39, // 5
- 0x3C, 0x4A, 0x49, 0x49, 0x30, // 6
- 0x01, 0x71, 0x09, 0x05, 0x03, // 7
- 0x36, 0x49, 0x49, 0x49, 0x36, // 8
- 0x06, 0x49, 0x49, 0x29, 0x1E, // 9
- 0x00, 0x36, 0x36, 0x00, 0x00, // :
- 0x00, 0x56, 0x36, 0x00, 0x00, // ;
- 0x00, 0x08, 0x14, 0x22, 0x41, // <
- 0x14, 0x14, 0x14, 0x14, 0x14, // =
- 0x41, 0x22, 0x14, 0x08, 0x00, // >
- 0x02, 0x01, 0x51, 0x09, 0x06, // ?
- 0x32, 0x49, 0x79, 0x41, 0x3E, // @
- 0x7E, 0x11, 0x11, 0x11, 0x7E, // A
- 0x7F, 0x49, 0x49, 0x49, 0x36, // B
- 0x3E, 0x41, 0x41, 0x41, 0x22, // C
- 0x7F, 0x41, 0x41, 0x22, 0x1C, // D
- 0x7F, 0x49, 0x49, 0x49, 0x41, // E
- 0x7F, 0x09, 0x09, 0x01, 0x01, // F
- 0x3E, 0x41, 0x41, 0x51, 0x32, // G
- 0x7F, 0x08, 0x08, 0x08, 0x7F, // H
- 0x00, 0x41, 0x7F, 0x41, 0x00, // I
- 0x20, 0x40, 0x41, 0x3F, 0x01, // J
- 0x7F, 0x08, 0x14, 0x22, 0x41, // K
- 0x7F, 0x40, 0x40, 0x40, 0x40, // L
- 0x7F, 0x02, 0x04, 0x02, 0x7F, // M
- 0x7F, 0x04, 0x08, 0x10, 0x7F, // N
- 0x3E, 0x41, 0x41, 0x41, 0x3E, // O
- 0x7F, 0x09, 0x09, 0x09, 0x06, // P
- 0x3E, 0x41, 0x51, 0x21, 0x5E, // Q
- 0x7F, 0x09, 0x19, 0x29, 0x46, // R
- 0x46, 0x49, 0x49, 0x49, 0x31, // S
- 0x01, 0x01, 0x7F, 0x01, 0x01, // T
- 0x3F, 0x40, 0x40, 0x40, 0x3F, // U
- 0x1F, 0x20, 0x40, 0x20, 0x1F, // V
- 0x7F, 0x20, 0x18, 0x20, 0x7F, // W
- 0x63, 0x14, 0x08, 0x14, 0x63, // X
- 0x03, 0x04, 0x78, 0x04, 0x03, // Y
- 0x61, 0x51, 0x49, 0x45, 0x43, // Z
- 0x00, 0x00, 0x7F, 0x41, 0x41, // [
- 0x02, 0x04, 0x08, 0x10, 0x20, // /
- 0x41, 0x41, 0x7F, 0x00, 0x00, // ]
- 0x04, 0x02, 0x01, 0x02, 0x04, // ^
- 0x40, 0x40, 0x40, 0x40, 0x40, // _
- 0x00, 0x01, 0x02, 0x04, 0x00, // `
- 0x20, 0x54, 0x54, 0x54, 0x78, // a
- 0x7F, 0x48, 0x44, 0x44, 0x38, // b
- 0x38, 0x44, 0x44, 0x44, 0x20, // c
- 0x38, 0x44, 0x44, 0x48, 0x7F, // d
- 0x38, 0x54, 0x54, 0x54, 0x18, // e
- 0x08, 0x7E, 0x09, 0x01, 0x02, // f
- 0x08, 0x14, 0x54, 0x54, 0x3C, // g
- 0x7F, 0x08, 0x04, 0x04, 0x78, // h
- 0x00, 0x44, 0x7D, 0x40, 0x00, // i
- 0x20, 0x40, 0x44, 0x3D, 0x00, // j
- 0x00, 0x7F, 0x10, 0x28, 0x44, // k
- 0x00, 0x41, 0x7F, 0x40, 0x00, // l
- 0x7C, 0x04, 0x18, 0x04, 0x78, // m
- 0x7C, 0x08, 0x04, 0x04, 0x78, // n
- 0x38, 0x44, 0x44, 0x44, 0x38, // o
- 0x7C, 0x14, 0x14, 0x14, 0x08, // p
- 0x08, 0x14, 0x14, 0x18, 0x7C, // q
- 0x7C, 0x08, 0x04, 0x04, 0x08, // r
- 0x48, 0x54, 0x54, 0x54, 0x20, // s
- 0x04, 0x3F, 0x44, 0x40, 0x20, // t
- 0x3C, 0x40, 0x40, 0x20, 0x7C, // u
- 0x1C, 0x20, 0x40, 0x20, 0x1C, // v
- 0x3C, 0x40, 0x30, 0x40, 0x3C, // w
- 0x44, 0x28, 0x10, 0x28, 0x44, // x
- 0x0C, 0x50, 0x50, 0x50, 0x3C, // y
- 0x44, 0x64, 0x54, 0x4C, 0x44, // z
- 0x00, 0x08, 0x36, 0x41, 0x00, // {
- 0x00, 0x00, 0x7F, 0x00, 0x00, // |
- 0x00, 0x41, 0x36, 0x08, 0x00, // }
- 0x08, 0x08, 0x2A, 0x1C, 0x08, // ->
- 0x08, 0x1C, 0x2A, 0x08, 0x08 // <-
-};
-
-SG12864A::SG12864A(PinName di,
- PinName rw,
- PinName en,
- PinName db0,
- PinName db1,
- PinName db2,
- PinName db3,
- PinName db4,
- PinName db5,
- PinName db6,
- PinName db7,
- PinName cs1,
- PinName cs2,
- PinName res)
- :
- ioDI(di),
- ioRW(rw),
- ioEN(en),
- ioDB(db0, db1, db2, db3, db4, db5, db6, db7),
- ioCS1(cs1),
- ioCS2(cs2),
- ioRES(res) {
- bufferClear();
- setDirectionToWrite();
-}
-
-SG12864A::~SG12864A() {
-}
-
-void SG12864A::bufferPush(void) {
- for (uint8_t i = 0; i < PAGES; i++) {
- // CS1
- setPageAddress(SG12864A::CS1, i);
- setColumnAddress(SG12864A::CS1, 0);
- for (uint8_t j = 0; j < COLUMNS; j++) {
- writeData(CS1, buffer[0 + ((COLUMNS * 2) * i) + j]);
- }
- // CS2
- setPageAddress(SG12864A::CS2, i);
- setColumnAddress(SG12864A::CS2, 0);
- for (uint8_t j = 0; j < COLUMNS; j++) {
- writeData(CS2, buffer[COLUMNS + ((COLUMNS * 2) * i) + j]);
- }
- }
-}
-
-void SG12864A::bufferPull(void) {
-}
-
-void SG12864A::bufferClear(bool reverse) {
- for (int i = 0; i < sizeof(buffer); i++) {
- if (reverse) {
- buffer[i] = 0xFF;
- } else {
- buffer[i] = 0x00;
- }
- }
-}
-
-void SG12864A::bufferDrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse) {
- /*
- * Bresenham's line algorithm
- */
- bool steep = abs(y2 - y1) > abs(x2 - x1);
- if (steep) {
- swap(x1, y1);
- swap(x2, y2);
- }
- if (x1 > x2) {
- swap(x1, x2);
- swap(y1, y2);
- }
- int deltax = x2 - x1;
- int deltay = abs(y2 - y1);
- int error = deltax / 2;
- int ystep;
- int y = y1;
- if (y1 < y2) {
- ystep = 1;
- } else {
- ystep = -1;
- }
- for (int x = x1; x <= x2; x++) {
- if (steep) {
- if (reverse) {
- unsetPixel(y, x);
- } else {
- setPixel(y, x);
- }
- } else {
- if (reverse) {
- unsetPixel(x, y);
- } else {
- setPixel(x, y);
- }
- }
- error = error - deltay;
- if (error < 0) {
- y = y + ystep;
- error = error + deltax;
- }
- }
-}
-
-void SG12864A::bufferDrawBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse) {
- for (int x = x1; x <= x2; x++) {
- if (reverse) {
- unsetPixel(x, y1);
- unsetPixel(x, y2);
- } else {
- setPixel(x, y1);
- setPixel(x, y2);
- }
- }
- for (int y = y1; y <= y2; y++) {
- if (reverse) {
- unsetPixel(x1, y);
- unsetPixel(x2, y);
- } else {
- setPixel(x1, y);
- setPixel(x2, y);
- }
- }
-}
-
-void SG12864A::bufferFillBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse) {
- for (int x = x1; x <= x2; x++) {
- for (int y = y1; y <= y2; y++) {
- if (reverse) {
- unsetPixel(x, y);
- } else {
- setPixel(x, y);
- }
- }
- }
-}
-
-void SG12864A::bufferDrawString(uint8_t x, uint8_t y, char * str, bool reverse) {
- char *p = str;
- int cnt = 0;
- while (*p) {
- bufferDrawChar(x + (FONT_X * cnt), y, *p, reverse);
- p++;
- cnt++;
- }
-}
-
-void SG12864A::bufferDrawChar(uint8_t x, uint8_t y, char c, bool reverse) {
- if ((FONT_MIN_CODE <= c) &&(c <= FONT_MAX_CODE)) {
- int aofs = (c - FONT_MIN_CODE) * FONT_X;
- for (int i = 0; i < FONT_X; i++) {
- uint8_t pat = font5x7_data[aofs + i];
- for (int j = 0; j < FONT_Y; j++) {
- if (pat & (1 << j)) {
- if (reverse) {
- unsetPixel(x + i, y + j);
- } else {
- setPixel(x + i, y + j);
- }
- } else {
- if (reverse) {
- setPixel(x + i, y + j);
- } else {
- unsetPixel(x + i, y + j);
- }
- }
- }
- }
- } else {
- for (int i = 0; i < FONT_X; i++) {
- uint8_t pat = (i % 2) ? 0x55 : 0xAA;
- for (int j = 0; j < FONT_Y; j++) {
- if (pat & (1 << j)) {
- if (reverse) {
- unsetPixel(x + i, y + j);
- } else {
- setPixel(x + i, y + j);
- }
- } else {
- if (reverse) {
- setPixel(x + i, y + j);
- } else {
- unsetPixel(x + i, y + j);
- }
- }
- }
- }
- }
-}
-
-void SG12864A::bufferDrawCheckbox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool state, bool reverse) {
- bufferDrawBox(x1, y1, x2, y2, reverse);
- if (state) {
- bufferDrawLine(x1, y1, x2, y2, reverse);
- bufferDrawLine(x1, y2, x2, y1, reverse);
- }
-}
-
-void SG12864A::bufferDrawProgressbar(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, int min, int max, int value, bool horizontal, bool reverse) {
- bufferDrawBox(x1, y1, x2, y2, reverse);
- if ((value < min) || (max < value)) {
- return;
- }
- int tmp_max = max - min;
- int tmp_val = value - min;
- if (horizontal) {
- int pix = ((y2 - y1) * tmp_val) / tmp_max;
- bufferFillBox(x1 + 1, y1 + 1, x1 - 1, y2 + pix - 1, reverse);
- } else {
- int pix = ((x2 - x1) * tmp_val) / tmp_max;
- bufferFillBox(x1 + 1, y1 + 1, x1 + pix - 1, y2 - 1, reverse);
- }
-}
-
-/**
- * High Level Interface.
- *
- * Reset display module.
- */
-void SG12864A::reset(void) {
- reset(true);
- wait_ms(200);
- reset(false);
- wait_ms(200);
-
- setDisplayOnOff(SG12864A::CS1, true);
- setDisplayOnOff(SG12864A::CS2, true);
- setDisplayStartLine(SG12864A::CS1, 0);
- setDisplayStartLine(SG12864A::CS2, 0);
- setPageAddress(SG12864A::CS1, 0);
- setPageAddress(SG12864A::CS2, 0);
- setColumnAddress(SG12864A::CS1, 0);
- setColumnAddress(SG12864A::CS2, 0);
-}
-
-/**
- * High Level Interface.
- *
- * Clear display module.
- */
-void SG12864A::clear(void) {
- for (uint8_t page = 0; page < PAGES; page++) {
- for (uint8_t column = 0; column < COLUMNS; column++) {
- // CS1
- setPageAddress(SG12864A::CS1, page);
- setColumnAddress(SG12864A::CS1, column);
- writeData(CS1, 0x00);
- // CS2
- setPageAddress(SG12864A::CS2, page);
- setColumnAddress(SG12864A::CS2, column);
- writeData(CS2, 0x00);
- }
- }
- // CS1
- setPageAddress(SG12864A::CS1, 0);
- setColumnAddress(SG12864A::CS1, 0);
- writeData(CS1, 0x00);
- // CS2
- setPageAddress(SG12864A::CS2, 0);
- setColumnAddress(SG12864A::CS2, 0);
- writeData(CS2, 0x00);
-}
-
-/**
- * Middle Level Interface.
- *
- * Set display on/off.
- *
- * @param t Target (CS1, CS2).
- * @param on ON/OFF (true, false).
- */
-void SG12864A::setDisplayOnOff(Target t, bool on) {
- setDirectionToWrite();
- uint8_t c = 0x3e | (on ? 0x01 : 0x00);
- write(t, SG12864A::Instruction, c);
- wait_us(1);
-}
-
-/**
- * Middle Level Interface.
- *
- * Set display start line.
- *
- * @param t Target (CS1, CS2).
- * @param addr Display start line (0-63).
- */
-void SG12864A::setDisplayStartLine(Target t, uint8_t addr) {
- setDirectionToWrite();
- uint8_t c = 0xc0 | (addr & 0x3f);
- write(t, SG12864A::Instruction, c);
- wait_us(1);
-}
-
-/**
- * Middle Level Interface.
- *
- * Set page address.
- *
- * @param t Target (CS1, CS2).
- * @param addr Page address(0-7).
- */
-void SG12864A::setPageAddress(Target t, uint8_t addr) {
- setDirectionToWrite();
- uint8_t c = 0xb8 | (addr & 0x07);
- write(t, SG12864A::Instruction, c);
- wait_us(1);
-}
-
-/**
- * Middle Level Interface.
- *
- * Set column address.
- *
- * @param t Target. (CS1, CS2)
- * @param addr Column address (0-63).
- */
-void SG12864A::setColumnAddress(Target t, uint8_t addr) {
- setDirectionToWrite();
- uint8_t c = 0x40 | (addr & 0x3f);
- write(t, SG12864A::Instruction, c);
- wait_us(1);
-}
-
-/**
- * Middle Level Interface.
- */
-void SG12864A::readStatus(Target t, uint8_t *c) {
- setDirectionToRead();
- read(t, SG12864A::Instruction, c);
- wait_us(1);
-}
-
-/**
- * Middle Level Interface.
- */
-void SG12864A::writeData(Target t, uint8_t c) {
- setDirectionToWrite();
- write(t, SG12864A::Data, c);
- wait_us(1);
-}
-
-/**
- * Middle Level Interface.
- */
-void SG12864A::readData(Target t, uint8_t *c) {
- setDirectionToRead();
- read(t, SG12864A::Data, c);
- wait_us(1);
-}
-
-/**
- * Low Level Interface.
- */
-void SG12864A::setDirectionToRead() {
- ioDB.input();
- ioRW = 1;
-}
-
-/**
- * Low Level Interface.
- */
-void SG12864A::setDirectionToWrite() {
- ioDB.output();
- ioRW = 0;
-}
-
-/**
- * Low Level Interface.
- */
-void SG12864A::write(Target t, Mode m, uint8_t c) {
- switch (t) {
- case CS1:
- ioCS1 = 1;
- ioCS2 = 0;
- break;
- case CS2:
- ioCS1 = 0;
- ioCS2 = 1;
- break;
- }
- switch (m) {
- case Data:
- ioDI = 1;
- break;
- case Instruction:
- ioDI = 0;
- break;
- }
- ioDB = c;
- wait_us(1);
- ioEN = 1;
- wait_us(1);
- ioEN = 0;
- wait_us(5);
-}
-
-/**
- * Low Level Interface.
- */
-void SG12864A::read(Target t, Mode m, uint8_t *c) {
- // TODO
-}
-
-/**
- * Low Level Interface.
- */
-void SG12864A::reset(bool b) {
- if (b) {
- ioRES = 0;
- } else {
- ioRES = 1;
- }
-}
+/**
+ * SG12864A Graphics LCD module driver class (Version 0.0.1)
+ *
+ * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
+ * http://shinta.main.jp/
+ *
+ * See also ...
+ * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
+ */
+
+#include "SG12864A.h"
+
+#define setPixel(x,y) buffer[((COLUMNS * 2)* ((y) / 8)) + (x)] |= (1 << ((y) % 8))
+#define unsetPixel(x,y) buffer[((COLUMNS * 2)* ((y) / 8)) + (x)] &= ~(1 << ((y) % 8))
+#define swap(a,b) {int c=a;a=b;b=c;}
+
+const uint8_t SG12864A::font5x7_data[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, // (white space)
+ 0x00, 0x00, 0x5F, 0x00, 0x00, // !
+ 0x00, 0x07, 0x00, 0x07, 0x00, // "
+ 0x14, 0x7F, 0x14, 0x7F, 0x14, // #
+ 0x24, 0x2A, 0x7F, 0x2A, 0x12, // $
+ 0x23, 0x13, 0x08, 0x64, 0x62, // %
+ 0x36, 0x49, 0x55, 0x22, 0x50, // &
+ 0x00, 0x05, 0x03, 0x00, 0x00, // '
+ 0x00, 0x1C, 0x22, 0x41, 0x00, // (
+ 0x00, 0x41, 0x22, 0x1C, 0x00, // )
+ 0x08, 0x2A, 0x1C, 0x2A, 0x08, // *
+ 0x08, 0x08, 0x3E, 0x08, 0x08, // +
+ 0x00, 0x50, 0x30, 0x00, 0x00, // ,
+ 0x08, 0x08, 0x08, 0x08, 0x08, // -
+ 0x00, 0x60, 0x60, 0x00, 0x00, // .
+ 0x20, 0x10, 0x08, 0x04, 0x02, // /
+ 0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
+ 0x00, 0x42, 0x7F, 0x40, 0x00, // 1
+ 0x42, 0x61, 0x51, 0x49, 0x46, // 2
+ 0x21, 0x41, 0x45, 0x4B, 0x31, // 3
+ 0x18, 0x14, 0x12, 0x7F, 0x10, // 4
+ 0x27, 0x45, 0x45, 0x45, 0x39, // 5
+ 0x3C, 0x4A, 0x49, 0x49, 0x30, // 6
+ 0x01, 0x71, 0x09, 0x05, 0x03, // 7
+ 0x36, 0x49, 0x49, 0x49, 0x36, // 8
+ 0x06, 0x49, 0x49, 0x29, 0x1E, // 9
+ 0x00, 0x36, 0x36, 0x00, 0x00, // :
+ 0x00, 0x56, 0x36, 0x00, 0x00, // ;
+ 0x00, 0x08, 0x14, 0x22, 0x41, // <
+ 0x14, 0x14, 0x14, 0x14, 0x14, // =
+ 0x41, 0x22, 0x14, 0x08, 0x00, // >
+ 0x02, 0x01, 0x51, 0x09, 0x06, // ?
+ 0x32, 0x49, 0x79, 0x41, 0x3E, // @
+ 0x7E, 0x11, 0x11, 0x11, 0x7E, // A
+ 0x7F, 0x49, 0x49, 0x49, 0x36, // B
+ 0x3E, 0x41, 0x41, 0x41, 0x22, // C
+ 0x7F, 0x41, 0x41, 0x22, 0x1C, // D
+ 0x7F, 0x49, 0x49, 0x49, 0x41, // E
+ 0x7F, 0x09, 0x09, 0x01, 0x01, // F
+ 0x3E, 0x41, 0x41, 0x51, 0x32, // G
+ 0x7F, 0x08, 0x08, 0x08, 0x7F, // H
+ 0x00, 0x41, 0x7F, 0x41, 0x00, // I
+ 0x20, 0x40, 0x41, 0x3F, 0x01, // J
+ 0x7F, 0x08, 0x14, 0x22, 0x41, // K
+ 0x7F, 0x40, 0x40, 0x40, 0x40, // L
+ 0x7F, 0x02, 0x04, 0x02, 0x7F, // M
+ 0x7F, 0x04, 0x08, 0x10, 0x7F, // N
+ 0x3E, 0x41, 0x41, 0x41, 0x3E, // O
+ 0x7F, 0x09, 0x09, 0x09, 0x06, // P
+ 0x3E, 0x41, 0x51, 0x21, 0x5E, // Q
+ 0x7F, 0x09, 0x19, 0x29, 0x46, // R
+ 0x46, 0x49, 0x49, 0x49, 0x31, // S
+ 0x01, 0x01, 0x7F, 0x01, 0x01, // T
+ 0x3F, 0x40, 0x40, 0x40, 0x3F, // U
+ 0x1F, 0x20, 0x40, 0x20, 0x1F, // V
+ 0x7F, 0x20, 0x18, 0x20, 0x7F, // W
+ 0x63, 0x14, 0x08, 0x14, 0x63, // X
+ 0x03, 0x04, 0x78, 0x04, 0x03, // Y
+ 0x61, 0x51, 0x49, 0x45, 0x43, // Z
+ 0x00, 0x00, 0x7F, 0x41, 0x41, // [
+ 0x02, 0x04, 0x08, 0x10, 0x20, // /
+ 0x41, 0x41, 0x7F, 0x00, 0x00, // ]
+ 0x04, 0x02, 0x01, 0x02, 0x04, // ^
+ 0x40, 0x40, 0x40, 0x40, 0x40, // _
+ 0x00, 0x01, 0x02, 0x04, 0x00, // `
+ 0x20, 0x54, 0x54, 0x54, 0x78, // a
+ 0x7F, 0x48, 0x44, 0x44, 0x38, // b
+ 0x38, 0x44, 0x44, 0x44, 0x20, // c
+ 0x38, 0x44, 0x44, 0x48, 0x7F, // d
+ 0x38, 0x54, 0x54, 0x54, 0x18, // e
+ 0x08, 0x7E, 0x09, 0x01, 0x02, // f
+ 0x08, 0x14, 0x54, 0x54, 0x3C, // g
+ 0x7F, 0x08, 0x04, 0x04, 0x78, // h
+ 0x00, 0x44, 0x7D, 0x40, 0x00, // i
+ 0x20, 0x40, 0x44, 0x3D, 0x00, // j
+ 0x00, 0x7F, 0x10, 0x28, 0x44, // k
+ 0x00, 0x41, 0x7F, 0x40, 0x00, // l
+ 0x7C, 0x04, 0x18, 0x04, 0x78, // m
+ 0x7C, 0x08, 0x04, 0x04, 0x78, // n
+ 0x38, 0x44, 0x44, 0x44, 0x38, // o
+ 0x7C, 0x14, 0x14, 0x14, 0x08, // p
+ 0x08, 0x14, 0x14, 0x18, 0x7C, // q
+ 0x7C, 0x08, 0x04, 0x04, 0x08, // r
+ 0x48, 0x54, 0x54, 0x54, 0x20, // s
+ 0x04, 0x3F, 0x44, 0x40, 0x20, // t
+ 0x3C, 0x40, 0x40, 0x20, 0x7C, // u
+ 0x1C, 0x20, 0x40, 0x20, 0x1C, // v
+ 0x3C, 0x40, 0x30, 0x40, 0x3C, // w
+ 0x44, 0x28, 0x10, 0x28, 0x44, // x
+ 0x0C, 0x50, 0x50, 0x50, 0x3C, // y
+ 0x44, 0x64, 0x54, 0x4C, 0x44, // z
+ 0x00, 0x08, 0x36, 0x41, 0x00, // {
+ 0x00, 0x00, 0x7F, 0x00, 0x00, // |
+ 0x00, 0x41, 0x36, 0x08, 0x00, // }
+ 0x08, 0x08, 0x2A, 0x1C, 0x08, // ->
+ 0x08, 0x1C, 0x2A, 0x08, 0x08 // <-
+};
+
+SG12864A::SG12864A(PinName di,
+ PinName rw,
+ PinName en,
+ PinName db0,
+ PinName db1,
+ PinName db2,
+ PinName db3,
+ PinName db4,
+ PinName db5,
+ PinName db6,
+ PinName db7,
+ PinName cs1,
+ PinName cs2,
+ PinName res)
+ :
+ ioDI(di),
+ ioRW(rw),
+ ioEN(en),
+ ioDB(db0, db1, db2, db3, db4, db5, db6, db7),
+ ioCS1(cs1),
+ ioCS2(cs2),
+ ioRES(res) {
+ bufferClear();
+ setDirectionToWrite();
+}
+
+SG12864A::~SG12864A() {
+}
+
+void SG12864A::bufferPush(void) {
+ for (uint8_t i = 0; i < PAGES; i++) {
+ // CS1
+ setPageAddress(SG12864A::CS1, i);
+ setColumnAddress(SG12864A::CS1, 0);
+ for (uint8_t j = 0; j < COLUMNS; j++) {
+ writeData(CS1, buffer[0 + ((COLUMNS * 2) * i) + j]);
+ }
+ // CS2
+ setPageAddress(SG12864A::CS2, i);
+ setColumnAddress(SG12864A::CS2, 0);
+ for (uint8_t j = 0; j < COLUMNS; j++) {
+ writeData(CS2, buffer[COLUMNS + ((COLUMNS * 2) * i) + j]);
+ }
+ }
+}
+
+void SG12864A::bufferPull(void) {
+}
+
+void SG12864A::bufferClear(bool reverse) {
+ for (int i = 0; i < sizeof(buffer); i++) {
+ if (reverse) {
+ buffer[i] = 0xFF;
+ } else {
+ buffer[i] = 0x00;
+ }
+ }
+}
+
+void SG12864A::bufferDrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse) {
+ /*
+ * Bresenham's line algorithm
+ */
+ bool steep = abs(y2 - y1) > abs(x2 - x1);
+ if (steep) {
+ swap(x1, y1);
+ swap(x2, y2);
+ }
+ if (x1 > x2) {
+ swap(x1, x2);
+ swap(y1, y2);
+ }
+ int deltax = x2 - x1;
+ int deltay = abs(y2 - y1);
+ int error = deltax / 2;
+ int ystep;
+ int y = y1;
+ if (y1 < y2) {
+ ystep = 1;
+ } else {
+ ystep = -1;
+ }
+ for (int x = x1; x <= x2; x++) {
+ if (steep) {
+ if (reverse) {
+ unsetPixel(y, x);
+ } else {
+ setPixel(y, x);
+ }
+ } else {
+ if (reverse) {
+ unsetPixel(x, y);
+ } else {
+ setPixel(x, y);
+ }
+ }
+ error = error - deltay;
+ if (error < 0) {
+ y = y + ystep;
+ error = error + deltax;
+ }
+ }
+}
+
+void SG12864A::bufferDrawBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse) {
+ for (int x = x1; x <= x2; x++) {
+ if (reverse) {
+ unsetPixel(x, y1);
+ unsetPixel(x, y2);
+ } else {
+ setPixel(x, y1);
+ setPixel(x, y2);
+ }
+ }
+ for (int y = y1; y <= y2; y++) {
+ if (reverse) {
+ unsetPixel(x1, y);
+ unsetPixel(x2, y);
+ } else {
+ setPixel(x1, y);
+ setPixel(x2, y);
+ }
+ }
+}
+
+void SG12864A::bufferFillBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse) {
+ for (int x = x1; x <= x2; x++) {
+ for (int y = y1; y <= y2; y++) {
+ if (reverse) {
+ unsetPixel(x, y);
+ } else {
+ setPixel(x, y);
+ }
+ }
+ }
+}
+
+void SG12864A::bufferDrawString(uint8_t x, uint8_t y, char * str, bool reverse) {
+ char *p = str;
+ int cnt = 0;
+ while (*p) {
+ bufferDrawChar(x + (FONT_X * cnt), y, *p, reverse);
+ p++;
+ cnt++;
+ }
+}
+
+void SG12864A::bufferDrawChar(uint8_t x, uint8_t y, char c, bool reverse) {
+ if ((FONT_MIN_CODE <= c) &&(c <= FONT_MAX_CODE)) {
+ int aofs = (c - FONT_MIN_CODE) * FONT_X;
+ for (int i = 0; i < FONT_X; i++) {
+ uint8_t pat = font5x7_data[aofs + i];
+ for (int j = 0; j < FONT_Y; j++) {
+ if (pat & (1 << j)) {
+ if (reverse) {
+ unsetPixel(x + i, y + j);
+ } else {
+ setPixel(x + i, y + j);
+ }
+ } else {
+ if (reverse) {
+ setPixel(x + i, y + j);
+ } else {
+ unsetPixel(x + i, y + j);
+ }
+ }
+ }
+ }
+ } else {
+ for (int i = 0; i < FONT_X; i++) {
+ uint8_t pat = (i % 2) ? 0x55 : 0xAA;
+ for (int j = 0; j < FONT_Y; j++) {
+ if (pat & (1 << j)) {
+ if (reverse) {
+ unsetPixel(x + i, y + j);
+ } else {
+ setPixel(x + i, y + j);
+ }
+ } else {
+ if (reverse) {
+ setPixel(x + i, y + j);
+ } else {
+ unsetPixel(x + i, y + j);
+ }
+ }
+ }
+ }
+ }
+}
+
+void SG12864A::bufferDrawCheckbox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool state, bool reverse) {
+ bufferDrawBox(x1, y1, x2, y2, reverse);
+ if (state) {
+ bufferDrawLine(x1, y1, x2, y2, reverse);
+ bufferDrawLine(x1, y2, x2, y1, reverse);
+ }
+}
+
+void SG12864A::bufferDrawProgressbar(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, int min, int max, int value, bool reverse) {
+ bufferDrawBox(x1, y1, x2, y2, reverse);
+ if ((value < min) || (max < value)) {
+ return;
+ }
+ int tmp_max = max - min;
+ int tmp_val = value - min;
+ int pix = ((x2 - x1) * tmp_val) / tmp_max;
+ bufferFillBox(x1 + 1, y1 + 1, x1 + pix - 1, y2 - 1, reverse);
+}
+
+/**
+ * High Level Interface.
+ *
+ * Reset display module.
+ */
+void SG12864A::reset(void) {
+ reset(true);
+ wait_ms(200);
+ reset(false);
+ wait_ms(200);
+
+ setDisplayOnOff(SG12864A::CS1, true);
+ setDisplayOnOff(SG12864A::CS2, true);
+ setDisplayStartLine(SG12864A::CS1, 0);
+ setDisplayStartLine(SG12864A::CS2, 0);
+ setPageAddress(SG12864A::CS1, 0);
+ setPageAddress(SG12864A::CS2, 0);
+ setColumnAddress(SG12864A::CS1, 0);
+ setColumnAddress(SG12864A::CS2, 0);
+}
+
+/**
+ * High Level Interface.
+ *
+ * Clear display module.
+ */
+void SG12864A::clear(void) {
+ for (uint8_t page = 0; page < PAGES; page++) {
+ for (uint8_t column = 0; column < COLUMNS; column++) {
+ // CS1
+ setPageAddress(SG12864A::CS1, page);
+ setColumnAddress(SG12864A::CS1, column);
+ writeData(CS1, 0x00);
+ // CS2
+ setPageAddress(SG12864A::CS2, page);
+ setColumnAddress(SG12864A::CS2, column);
+ writeData(CS2, 0x00);
+ }
+ }
+ // CS1
+ setPageAddress(SG12864A::CS1, 0);
+ setColumnAddress(SG12864A::CS1, 0);
+ writeData(CS1, 0x00);
+ // CS2
+ setPageAddress(SG12864A::CS2, 0);
+ setColumnAddress(SG12864A::CS2, 0);
+ writeData(CS2, 0x00);
+}
+
+/**
+ * Middle Level Interface.
+ *
+ * Set display on/off.
+ *
+ * @param t Target (CS1, CS2).
+ * @param on ON/OFF (true, false).
+ */
+void SG12864A::setDisplayOnOff(Target t, bool on) {
+ setDirectionToWrite();
+ uint8_t c = 0x3e | (on ? 0x01 : 0x00);
+ write(t, SG12864A::Instruction, c);
+ wait_us(1);
+}
+
+/**
+ * Middle Level Interface.
+ *
+ * Set display start line.
+ *
+ * @param t Target (CS1, CS2).
+ * @param addr Display start line (0-63).
+ */
+void SG12864A::setDisplayStartLine(Target t, uint8_t addr) {
+ setDirectionToWrite();
+ uint8_t c = 0xc0 | (addr & 0x3f);
+ write(t, SG12864A::Instruction, c);
+ wait_us(1);
+}
+
+/**
+ * Middle Level Interface.
+ *
+ * Set page address.
+ *
+ * @param t Target (CS1, CS2).
+ * @param addr Page address(0-7).
+ */
+void SG12864A::setPageAddress(Target t, uint8_t addr) {
+ setDirectionToWrite();
+ uint8_t c = 0xb8 | (addr & 0x07);
+ write(t, SG12864A::Instruction, c);
+ wait_us(1);
+}
+
+/**
+ * Middle Level Interface.
+ *
+ * Set column address.
+ *
+ * @param t Target. (CS1, CS2)
+ * @param addr Column address (0-63).
+ */
+void SG12864A::setColumnAddress(Target t, uint8_t addr) {
+ setDirectionToWrite();
+ uint8_t c = 0x40 | (addr & 0x3f);
+ write(t, SG12864A::Instruction, c);
+ wait_us(1);
+}
+
+/**
+ * Middle Level Interface.
+ */
+void SG12864A::readStatus(Target t, uint8_t *c) {
+ setDirectionToRead();
+ read(t, SG12864A::Instruction, c);
+ wait_us(1);
+}
+
+/**
+ * Middle Level Interface.
+ */
+void SG12864A::writeData(Target t, uint8_t c) {
+ setDirectionToWrite();
+ write(t, SG12864A::Data, c);
+ wait_us(1);
+}
+
+/**
+ * Middle Level Interface.
+ */
+void SG12864A::readData(Target t, uint8_t *c) {
+ setDirectionToRead();
+ read(t, SG12864A::Data, c);
+ wait_us(1);
+}
+
+/**
+ * Low Level Interface.
+ */
+void SG12864A::setDirectionToRead() {
+ ioDB.input();
+ ioRW = 1;
+}
+
+/**
+ * Low Level Interface.
+ */
+void SG12864A::setDirectionToWrite() {
+ ioDB.output();
+ ioRW = 0;
+}
+
+/**
+ * Low Level Interface.
+ */
+void SG12864A::write(Target t, Mode m, uint8_t c) {
+ switch (t) {
+ case CS1:
+ ioCS1 = 1;
+ ioCS2 = 0;
+ break;
+ case CS2:
+ ioCS1 = 0;
+ ioCS2 = 1;
+ break;
+ }
+ switch (m) {
+ case Data:
+ ioDI = 1;
+ break;
+ case Instruction:
+ ioDI = 0;
+ break;
+ }
+ ioDB = c;
+ wait_us(1);
+ ioEN = 1;
+ wait_us(1);
+ ioEN = 0;
+ wait_us(5);
+}
+
+/**
+ * Low Level Interface.
+ */
+void SG12864A::read(Target t, Mode m, uint8_t *c) {
+ // TODO
+}
+
+/**
+ * Low Level Interface.
+ */
+void SG12864A::reset(bool b) {
+ if (b) {
+ ioRES = 0;
+ } else {
+ ioRES = 1;
+ }
+}
--- a/SG12864A.h Tue Aug 10 12:36:05 2010 +0000
+++ b/SG12864A.h Tue Aug 10 12:52:53 2010 +0000
@@ -1,318 +1,317 @@
-/**
- * SG12864A Graphics LCD module driver class (Version 0.0.1)
- *
- * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
- * http://shinta.main.jp/
- *
- * See also ...
- * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
- */
-
-#ifndef _SG12864A_H_
-#define _SG12864A_H_
-
-#include "mbed.h"
-
-/**
- * SG12864A Graphics LCD module driver class.
- */
-class SG12864A {
-public:
-
- /**
- * Create.
- *
- * @param di D-/I (H:Instruction, L:Data)
- * @param rw R/W- (H:Read, L:Write)
- * @param en Enable signal
- * @param db0 Data bus line bit-0.
- * @param db1 Data bus line bit-1.
- * @param db2 Data bus line bit-2.
- * @param db3 Data bus line bit-3.
- * @param db4 Data bus line bit-4.
- * @param db5 Data bus line bit-5.
- * @param db6 Data bus line bit-6.
- * @param db7 Data bus line bit-7.
- * @param cs1 Chip select signal for IC1.
- * @param cs2 Chip select signal for IC2.
- * @param res Reset signal.
- */
- SG12864A(
- PinName di,
- PinName rw,
- PinName en,
- PinName db0,
- PinName db1,
- PinName db2,
- PinName db3,
- PinName db4,
- PinName db5,
- PinName db6,
- PinName db7,
- PinName cs1,
- PinName cs2,
- PinName res);
- /**
- * Destroy.
- */
- ~SG12864A();
-
- /**
- * Target of a chip.
- */
- enum Target {
- CS1,
- CS2
- };
-
- /*
- * =======================================================
- * High Level Interfaces.
- * =======================================================
- */
-
- /**
- * Push images from a internal buffer.
- */
- void bufferPush(void);
-
- /**
- * Pull images to a internal buffer.
- */
- void bufferPull(void);
-
- /**
- * Clear a internal buffer images.
- *
- * @param reverse True if images are reversed.
- */
- void bufferClear(bool reverse = false);
-
- /**
- * Draw a line to a internal buffer.
- *
- * @param x1 Starting point at x-axis.
- * @param y1 Starting point at y-axis.
- * @param x2 Ending point at x-axis.
- * @param y2 Ending point at y-axis.
- * @param reverse True if images are reversed.
- */
- void bufferDrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
-
- /**
- * Draw a box to a internal buffer.
- *
- * @param x1 Starting point at x-axis.
- * @param y1 Starting point at y-axis.
- * @param x2 Ending point at x-axis.
- * @param y2 Ending point at y-axis.
- * @param reverse True if images are reversed.
- */
- void bufferDrawBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
-
- /**
- * Fill a box to a internal buffer.
- *
- * @param x1 Starting point at x-axis.
- * @param y1 Starting point at y-axis.
- * @param x2 Ending point at x-axis.
- * @param y2 Ending point at y-axis.
- * @param reverse True if images are reversed.
- */
- void bufferFillBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
-
- /**
- * Draw a text string to a internal buffer.
- * The font size is 5x7 dots.
- *
- * @param x Starting point at x-axis.
- * @param y Starting point at y-axis.
- * @param str Text string. (NULL terminate.)
- * @param reverse True if images are reversed.
- */
- void bufferDrawString(uint8_t x, uint8_t y, char * str, bool reverse = false);
-
- /**
- * Draw a character to a internal buffer.
- * The font size is 5x7 dots.
- *
- * @param x Starting point at x-axis.
- * @param y Starting point at y-axis.
- * @param c A character.
- * @param reverse True if images are reversed.
- */
- void bufferDrawChar(uint8_t x, uint8_t y, char c, bool reverse = false);
-
- /**
- * Draw a checkbox to a internal buffer.
- *
- * @param x1 Starting point at x-axis.
- * @param y1 Starting point at y-axis.
- * @param x2 Ending point at x-axis.
- * @param y2 Ending point at y-axis.
- * @param state True if state is checked.
- * @param reverse True if images are reversed.
- */
- void bufferDrawCheckbox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool state, bool reverse = false);
-
- /**
- * Draw a progressbar to a internal buffer.
- *
- * @param x1 Starting point at x-axis.
- * @param y1 Starting point at y-axis.
- * @param x2 Ending point at x-axis.
- * @param y2 Ending point at y-axis.
- * @param min Minimum value on a scale.
- * @param max Maximum value on a scale.
- * @param value Current value on a scale.
- * @param state True if state is checked.
- * @param reverse True if images are reversed.
- */
- void bufferDrawProgressbar(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, int min, int max, int value, bool horizontal = false, bool reverse = false);
-
- /*
- * High Level Interfaces.
- */
-
- /**
- * Reset module.
- */
- void reset(void);
-
- /**
- * Clear display.
- */
- void clear(void);
-
- /*
- * =======================================================
- * Middle Level Interfaces.
- * =======================================================
- */
-
- /**
- * Set display ON/OFF.
- *
- * @param t Target.
- * @param on True if the display is ON.
- */
- void setDisplayOnOff(Target t, bool on);
-
- /**
- * Set display start line.
- *
- * @param t Target.
- * @param displayStartLine Start line number.
- */
- void setDisplayStartLine(Target t, uint8_t displayStartLine);
-
- /**
- * Set page address.
- *
- * @param t Target.
- * @param addr Address.
- */
- void setPageAddress(Target t, uint8_t addr);
-
- /**
- * Set column address.
- *
- * @param t Target.
- * @param addr Address.
- */
- void setColumnAddress(Target t, uint8_t addr);
-
- /**
- * Read status.
- *
- * @param t Target.
- * @param c Status.
- */
- void readStatus(Target t, uint8_t *c);
-
- /**
- * Write data.
- *
- * @param t Target.
- * @param c Status.
- */
- void writeData(Target t, uint8_t c);
-
- /**
- * Read data.
- *
- * @param t Target.
- * @param c Status.
- */
- void readData(Target t, uint8_t *c);
-
- static const int PIXEL_X = 128;
- static const int PIXEL_Y = 64;
- static const uint8_t FONT_X = 5;
- static const uint8_t FONT_Y = 7;
-private:
- static const int PAGES = 8;
- static const int COLUMNS = 64;
- static const uint16_t FONT_MIN_CODE = 0x20;
- static const uint16_t FONT_MAX_CODE = 0x7F;
- static const uint8_t font5x7_data[];
- uint8_t buffer[PAGES * COLUMNS * 2];
- DigitalOut ioDI;
- DigitalOut ioRW;
- DigitalOut ioEN;
- BusInOut ioDB;
- DigitalOut ioCS1;
- DigitalOut ioCS2;
- DigitalOut ioRES;
-
- /**
- * Mode of a write data.
- */
- enum Mode {
- Data,
- Instruction
- };
-
- /*
- * =======================================================
- * Low Level Interfaces.
- * =======================================================
- */
-
- /**
- * Set I/O direction to read.
- */
- void setDirectionToRead();
-
- /**
- * Set I/O direction to write.
- */
- void setDirectionToWrite();
-
- /**
- * Write data.
- *
- * @param t Target.
- * @param m Mode.
- * @param c Data.
- */
- void write(Target t, Mode m, uint8_t c);
-
- /**
- * Read data.
- *
- * @param t Target.
- * @param m Mode.
- * @param c Data.
- */
- void read(Target t, Mode m, uint8_t *c);
-
- /**
- * Reset.
- *
- * @param b True if reset active.
- */
- void reset(bool b);
-};
-
-#endif
+/**
+ * SG12864A Graphics LCD module driver class (Version 0.0.1)
+ *
+ * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
+ * http://shinta.main.jp/
+ *
+ * See also ...
+ * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
+ */
+
+#ifndef _SG12864A_H_
+#define _SG12864A_H_
+
+#include "mbed.h"
+
+/**
+ * SG12864A Graphics LCD module driver class.
+ */
+class SG12864A {
+public:
+
+ /**
+ * Create.
+ *
+ * @param di D-/I (H:Instruction, L:Data)
+ * @param rw R/W- (H:Read, L:Write)
+ * @param en Enable signal
+ * @param db0 Data bus line bit-0.
+ * @param db1 Data bus line bit-1.
+ * @param db2 Data bus line bit-2.
+ * @param db3 Data bus line bit-3.
+ * @param db4 Data bus line bit-4.
+ * @param db5 Data bus line bit-5.
+ * @param db6 Data bus line bit-6.
+ * @param db7 Data bus line bit-7.
+ * @param cs1 Chip select signal for IC1.
+ * @param cs2 Chip select signal for IC2.
+ * @param res Reset signal.
+ */
+ SG12864A(
+ PinName di,
+ PinName rw,
+ PinName en,
+ PinName db0,
+ PinName db1,
+ PinName db2,
+ PinName db3,
+ PinName db4,
+ PinName db5,
+ PinName db6,
+ PinName db7,
+ PinName cs1,
+ PinName cs2,
+ PinName res);
+ /**
+ * Destroy.
+ */
+ ~SG12864A();
+
+ /**
+ * Target of a chip.
+ */
+ enum Target {
+ CS1,
+ CS2
+ };
+
+ /*
+ * =======================================================
+ * High Level Interfaces.
+ * =======================================================
+ */
+
+ /**
+ * Push images from a internal buffer.
+ */
+ void bufferPush(void);
+
+ /**
+ * Pull images to a internal buffer.
+ */
+ void bufferPull(void);
+
+ /**
+ * Clear a internal buffer images.
+ *
+ * @param reverse True if images are reversed.
+ */
+ void bufferClear(bool reverse = false);
+
+ /**
+ * Draw a line to a internal buffer.
+ *
+ * @param x1 Starting point at x-axis.
+ * @param y1 Starting point at y-axis.
+ * @param x2 Ending point at x-axis.
+ * @param y2 Ending point at y-axis.
+ * @param reverse True if images are reversed.
+ */
+ void bufferDrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
+
+ /**
+ * Draw a box to a internal buffer.
+ *
+ * @param x1 Starting point at x-axis.
+ * @param y1 Starting point at y-axis.
+ * @param x2 Ending point at x-axis.
+ * @param y2 Ending point at y-axis.
+ * @param reverse True if images are reversed.
+ */
+ void bufferDrawBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
+
+ /**
+ * Fill a box to a internal buffer.
+ *
+ * @param x1 Starting point at x-axis.
+ * @param y1 Starting point at y-axis.
+ * @param x2 Ending point at x-axis.
+ * @param y2 Ending point at y-axis.
+ * @param reverse True if images are reversed.
+ */
+ void bufferFillBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool reverse = false);
+
+ /**
+ * Draw a text string to a internal buffer.
+ * The font size is 5x7 dots.
+ *
+ * @param x Starting point at x-axis.
+ * @param y Starting point at y-axis.
+ * @param str Text string. (NULL terminate.)
+ * @param reverse True if images are reversed.
+ */
+ void bufferDrawString(uint8_t x, uint8_t y, char * str, bool reverse = false);
+
+ /**
+ * Draw a character to a internal buffer.
+ * The font size is 5x7 dots.
+ *
+ * @param x Starting point at x-axis.
+ * @param y Starting point at y-axis.
+ * @param c A character.
+ * @param reverse True if images are reversed.
+ */
+ void bufferDrawChar(uint8_t x, uint8_t y, char c, bool reverse = false);
+
+ /**
+ * Draw a checkbox to a internal buffer.
+ *
+ * @param x1 Starting point at x-axis.
+ * @param y1 Starting point at y-axis.
+ * @param x2 Ending point at x-axis.
+ * @param y2 Ending point at y-axis.
+ * @param state True if state is checked.
+ * @param reverse True if images are reversed.
+ */
+ void bufferDrawCheckbox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, bool state, bool reverse = false);
+
+ /**
+ * Draw a progressbar to a internal buffer.
+ *
+ * @param x1 Starting point at x-axis.
+ * @param y1 Starting point at y-axis.
+ * @param x2 Ending point at x-axis.
+ * @param y2 Ending point at y-axis.
+ * @param min Minimum value on a scale.
+ * @param max Maximum value on a scale.
+ * @param value Current value on a scale.
+ * @param reverse True if images are reversed.
+ */
+ void bufferDrawProgressbar(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, int min, int max, int value, bool reverse = false);
+
+ /*
+ * High Level Interfaces.
+ */
+
+ /**
+ * Reset module.
+ */
+ void reset(void);
+
+ /**
+ * Clear display.
+ */
+ void clear(void);
+
+ /*
+ * =======================================================
+ * Middle Level Interfaces.
+ * =======================================================
+ */
+
+ /**
+ * Set display ON/OFF.
+ *
+ * @param t Target.
+ * @param on True if the display is ON.
+ */
+ void setDisplayOnOff(Target t, bool on);
+
+ /**
+ * Set display start line.
+ *
+ * @param t Target.
+ * @param displayStartLine Start line number.
+ */
+ void setDisplayStartLine(Target t, uint8_t displayStartLine);
+
+ /**
+ * Set page address.
+ *
+ * @param t Target.
+ * @param addr Address.
+ */
+ void setPageAddress(Target t, uint8_t addr);
+
+ /**
+ * Set column address.
+ *
+ * @param t Target.
+ * @param addr Address.
+ */
+ void setColumnAddress(Target t, uint8_t addr);
+
+ /**
+ * Read status.
+ *
+ * @param t Target.
+ * @param c Status.
+ */
+ void readStatus(Target t, uint8_t *c);
+
+ /**
+ * Write data.
+ *
+ * @param t Target.
+ * @param c Status.
+ */
+ void writeData(Target t, uint8_t c);
+
+ /**
+ * Read data.
+ *
+ * @param t Target.
+ * @param c Status.
+ */
+ void readData(Target t, uint8_t *c);
+
+ static const int PIXEL_X = 128;
+ static const int PIXEL_Y = 64;
+ static const uint8_t FONT_X = 5;
+ static const uint8_t FONT_Y = 7;
+private:
+ static const int PAGES = 8;
+ static const int COLUMNS = 64;
+ static const uint16_t FONT_MIN_CODE = 0x20;
+ static const uint16_t FONT_MAX_CODE = 0x7F;
+ static const uint8_t font5x7_data[];
+ uint8_t buffer[PAGES * COLUMNS * 2];
+ DigitalOut ioDI;
+ DigitalOut ioRW;
+ DigitalOut ioEN;
+ BusInOut ioDB;
+ DigitalOut ioCS1;
+ DigitalOut ioCS2;
+ DigitalOut ioRES;
+
+ /**
+ * Mode of a write data.
+ */
+ enum Mode {
+ Data,
+ Instruction
+ };
+
+ /*
+ * =======================================================
+ * Low Level Interfaces.
+ * =======================================================
+ */
+
+ /**
+ * Set I/O direction to read.
+ */
+ void setDirectionToRead();
+
+ /**
+ * Set I/O direction to write.
+ */
+ void setDirectionToWrite();
+
+ /**
+ * Write data.
+ *
+ * @param t Target.
+ * @param m Mode.
+ * @param c Data.
+ */
+ void write(Target t, Mode m, uint8_t c);
+
+ /**
+ * Read data.
+ *
+ * @param t Target.
+ * @param m Mode.
+ * @param c Data.
+ */
+ void read(Target t, Mode m, uint8_t *c);
+
+ /**
+ * Reset.
+ *
+ * @param b True if reset active.
+ */
+ void reset(bool b);
+};
+
+#endif
--- a/main.cpp Tue Aug 10 12:36:05 2010 +0000
+++ b/main.cpp Tue Aug 10 12:52:53 2010 +0000
@@ -1,116 +1,116 @@
-/**
- * sample program for SG12864A Graphics LCD module driver class (Version 0.0.1)
- *
- * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
- * http://shinta.main.jp/
- *
- * See also ...
- * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
- */
-
-#include "mbed.h"
-#include "SG12864A.h"
-
-int main() {
-
- SG12864A lcd(p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, p17, p18);
-#if 0
- lcd.clear();
- lcd.reset();
-
- {
- static const int pages = 8;
- static const int columns = 64;
- for (int i = 0; i < pages; i++) {
- lcd.setPageAddress(SG12864A::CS1, i);
- lcd.setPageAddress(SG12864A::CS2, i);
- for (int j = 0; j < columns; j++) {
- uint8_t n = 1 << (j % 8);
- lcd.setColumnAddress(SG12864A::CS1, j);
- lcd.setColumnAddress(SG12864A::CS2, j);
- lcd.writeData(SG12864A::CS1, n);
- lcd.writeData(SG12864A::CS2, n);
- }
- }
- }
-
- uint8_t n = 0;
- while (1) {
- lcd.setDisplayStartLine(SG12864A::CS1, n);
- lcd.setDisplayStartLine(SG12864A::CS2, n);
- n++;
- wait_ms(100);
- }
-#else
- lcd.clear();
- lcd.reset();
- bool reverse = false;
- while (1) {
- //
- lcd.bufferClear(reverse);
- lcd.bufferDrawLine(0, 0, SG12864A::PIXEL_X - 1, SG12864A::PIXEL_Y - 1, reverse);
- lcd.bufferDrawLine(0, SG12864A::PIXEL_Y - 1, SG12864A::PIXEL_X - 1, 0, reverse);
- lcd.bufferDrawString(1, 1, "This is a test #1.\b", reverse);
- lcd.bufferDrawCheckbox(50, 50, 60, 60, true, reverse);
- lcd.bufferPush();
- wait_ms(1000);
-
- //
- lcd.bufferClear(reverse);
- lcd.bufferDrawBox(0, 0, SG12864A::PIXEL_X - 1, SG12864A::PIXEL_Y - 1, reverse);
- lcd.bufferDrawString(1, 2, "This is a test #2.\b", reverse);
- lcd.bufferDrawCheckbox(50, 50, 60, 60, false, reverse);
- lcd.bufferPush();
- wait_ms(1000);
-
-#if 0
- //
- lcd.bufferClear(reverse);
- lcd.bufferFillBox(0, 0, SG12864A::PIXEL_X - 1, SG12864A::PIXEL_Y - 1, reverse);
- lcd.bufferDrawString(1, 3, "This is a test #3.\b", reverse);
- lcd.bufferDrawCheckbox(50, 50, 60, 60, true, reverse);
- lcd.bufferPush();
- wait_ms(1000);
-#endif
-
- //
- {
- lcd.bufferClear(reverse);
- int min = 0;
- int max = 100;
- for (int i = min; i <= max; i++) {
- lcd.bufferDrawProgressbar(10, 10, 118, 20, min, max, i, true, reverse);
- lcd.bufferPush();
- wait_ms(2);
- }
- }
-
- //
- {
- lcd.bufferClear(reverse);
- int min = -100;
- int max = 100;
- for (int i = min; i <= max; i++) {
- lcd.bufferDrawProgressbar(10, 10, 118, 20, min, max, i, true, reverse);
- lcd.bufferPush();
- wait_ms(2);
- }
- }
-
- //
- {
- lcd.bufferClear(reverse);
- int min = 100;
- int max = 600;
- for (int i = min; i <= max; i++) {
- lcd.bufferDrawProgressbar(10, 10, 118, 20, min, max, i, true, reverse);
- lcd.bufferPush();
- wait_ms(2);
- }
- }
-
- //
- reverse = !reverse;
- }
-#endif
-}
+/**
+ * sample program for SG12864A Graphics LCD module driver class (Version 0.0.1)
+ *
+ * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
+ * http://shinta.main.jp/
+ *
+ * See also ...
+ * http://mbed.org/users/shintamainjp/notebook/sg12864asunlike-display-graphics-lcd-driver/
+ */
+
+#include "mbed.h"
+#include "SG12864A.h"
+
+int main() {
+
+ SG12864A lcd(p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15, p16, p17, p18);
+#if 0
+ lcd.clear();
+ lcd.reset();
+
+ {
+ static const int pages = 8;
+ static const int columns = 64;
+ for (int i = 0; i < pages; i++) {
+ lcd.setPageAddress(SG12864A::CS1, i);
+ lcd.setPageAddress(SG12864A::CS2, i);
+ for (int j = 0; j < columns; j++) {
+ uint8_t n = 1 << (j % 8);
+ lcd.setColumnAddress(SG12864A::CS1, j);
+ lcd.setColumnAddress(SG12864A::CS2, j);
+ lcd.writeData(SG12864A::CS1, n);
+ lcd.writeData(SG12864A::CS2, n);
+ }
+ }
+ }
+
+ uint8_t n = 0;
+ while (1) {
+ lcd.setDisplayStartLine(SG12864A::CS1, n);
+ lcd.setDisplayStartLine(SG12864A::CS2, n);
+ n++;
+ wait_ms(100);
+ }
+#else
+ lcd.clear();
+ lcd.reset();
+ bool reverse = false;
+ while (1) {
+ //
+ lcd.bufferClear(reverse);
+ lcd.bufferDrawLine(0, 0, SG12864A::PIXEL_X - 1, SG12864A::PIXEL_Y - 1, reverse);
+ lcd.bufferDrawLine(0, SG12864A::PIXEL_Y - 1, SG12864A::PIXEL_X - 1, 0, reverse);
+ lcd.bufferDrawString(1, 1, "This is a test #1.\b", reverse);
+ lcd.bufferDrawCheckbox(50, 50, 60, 60, true, reverse);
+ lcd.bufferPush();
+ wait_ms(1000);
+
+ //
+ lcd.bufferClear(reverse);
+ lcd.bufferDrawBox(0, 0, SG12864A::PIXEL_X - 1, SG12864A::PIXEL_Y - 1, reverse);
+ lcd.bufferDrawString(1, 2, "This is a test #2.\b", reverse);
+ lcd.bufferDrawCheckbox(50, 50, 60, 60, false, reverse);
+ lcd.bufferPush();
+ wait_ms(1000);
+
+#if 0
+ //
+ lcd.bufferClear(reverse);
+ lcd.bufferFillBox(0, 0, SG12864A::PIXEL_X - 1, SG12864A::PIXEL_Y - 1, reverse);
+ lcd.bufferDrawString(1, 3, "This is a test #3.\b", reverse);
+ lcd.bufferDrawCheckbox(50, 50, 60, 60, true, reverse);
+ lcd.bufferPush();
+ wait_ms(1000);
+#endif
+
+ //
+ {
+ lcd.bufferClear(reverse);
+ int min = 0;
+ int max = 100;
+ for (int i = min; i <= max; i++) {
+ lcd.bufferDrawProgressbar(10, 10, 118, 20, min, max, i, reverse);
+ lcd.bufferPush();
+ wait_ms(2);
+ }
+ }
+
+ //
+ {
+ lcd.bufferClear(reverse);
+ int min = -100;
+ int max = 100;
+ for (int i = min; i <= max; i++) {
+ lcd.bufferDrawProgressbar(10, 10, 118, 20, min, max, i, reverse);
+ lcd.bufferPush();
+ wait_ms(2);
+ }
+ }
+
+ //
+ {
+ lcd.bufferClear(reverse);
+ int min = 100;
+ int max = 600;
+ for (int i = min; i <= max; i++) {
+ lcd.bufferDrawProgressbar(10, 10, 118, 20, min, max, i, reverse);
+ lcd.bufferPush();
+ wait_ms(2);
+ }
+ }
+
+ //
+ reverse = !reverse;
+ }
+#endif
+}