SG12864A - SG12864A

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SG12864A

SG12864A.cpp@2:91c03e41c927, 2010-07-20 (annotated)

Committer:: shintamainjp
Date:: Tue Jul 20 05:30:47 2010 +0000
Revision:: 2:91c03e41c927
Parent:: 1:aacd73a4e7ee
Child:: 3:86e7fba29623

Who changed what in which revision?

User	Revision	Line number	New contents of line
shintamainjp	0:238f2d048222	1	/**
shintamainjp	0:238f2d048222	2	* SG12864A Graphics LCD module driver class (Version 0.0.1)
shintamainjp	0:238f2d048222	3	*
shintamainjp	0:238f2d048222	4	* Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
shintamainjp	0:238f2d048222	5	* http://shinta.main.jp/
shintamainjp	0:238f2d048222	6	*/
shintamainjp	0:238f2d048222	7
shintamainjp	0:238f2d048222	8	#include "SG12864A.h"
shintamainjp	0:238f2d048222	9
shintamainjp	2:91c03e41c927	10	#define setPixel(x,y) buffer[((COLUMNS * 2)* ((y) / 8)) + (x)] \|= (1 << ((y) % 8))
shintamainjp	2:91c03e41c927	11	#define unsetPixel(x,y) buffer[((COLUMNS * 2)* ((y) / 8)) + (x)] &= ~(1 << ((y) % 8))
shintamainjp	1:aacd73a4e7ee	12	#define swap(a,b) {int c=a;a=b;b=c;}
shintamainjp	1:aacd73a4e7ee	13
shintamainjp	2:91c03e41c927	14	const uint8_t SG12864A::font5x7_data[] = {
shintamainjp	2:91c03e41c927	15	0x00, 0x00, 0x00, 0x00, 0x00, // (white space)
shintamainjp	2:91c03e41c927	16	0x00, 0x00, 0x5F, 0x00, 0x00, // !
shintamainjp	2:91c03e41c927	17	0x00, 0x07, 0x00, 0x07, 0x00, // "
shintamainjp	2:91c03e41c927	18	0x14, 0x7F, 0x14, 0x7F, 0x14, // #
shintamainjp	2:91c03e41c927	19	0x24, 0x2A, 0x7F, 0x2A, 0x12, // $
shintamainjp	2:91c03e41c927	20	0x23, 0x13, 0x08, 0x64, 0x62, // %
shintamainjp	2:91c03e41c927	21	0x36, 0x49, 0x55, 0x22, 0x50, // &
shintamainjp	2:91c03e41c927	22	0x00, 0x05, 0x03, 0x00, 0x00, // '
shintamainjp	2:91c03e41c927	23	0x00, 0x1C, 0x22, 0x41, 0x00, // (
shintamainjp	2:91c03e41c927	24	0x00, 0x41, 0x22, 0x1C, 0x00, // )
shintamainjp	2:91c03e41c927	25	0x08, 0x2A, 0x1C, 0x2A, 0x08, // *
shintamainjp	2:91c03e41c927	26	0x08, 0x08, 0x3E, 0x08, 0x08, // +
shintamainjp	2:91c03e41c927	27	0x00, 0x50, 0x30, 0x00, 0x00, // ,
shintamainjp	2:91c03e41c927	28	0x08, 0x08, 0x08, 0x08, 0x08, // -
shintamainjp	2:91c03e41c927	29	0x00, 0x60, 0x60, 0x00, 0x00, // .
shintamainjp	2:91c03e41c927	30	0x20, 0x10, 0x08, 0x04, 0x02, // /
shintamainjp	2:91c03e41c927	31	0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
shintamainjp	2:91c03e41c927	32	0x00, 0x42, 0x7F, 0x40, 0x00, // 1
shintamainjp	2:91c03e41c927	33	0x42, 0x61, 0x51, 0x49, 0x46, // 2
shintamainjp	2:91c03e41c927	34	0x21, 0x41, 0x45, 0x4B, 0x31, // 3
shintamainjp	2:91c03e41c927	35	0x18, 0x14, 0x12, 0x7F, 0x10, // 4
shintamainjp	2:91c03e41c927	36	0x27, 0x45, 0x45, 0x45, 0x39, // 5
shintamainjp	2:91c03e41c927	37	0x3C, 0x4A, 0x49, 0x49, 0x30, // 6
shintamainjp	2:91c03e41c927	38	0x01, 0x71, 0x09, 0x05, 0x03, // 7
shintamainjp	2:91c03e41c927	39	0x36, 0x49, 0x49, 0x49, 0x36, // 8
shintamainjp	2:91c03e41c927	40	0x06, 0x49, 0x49, 0x29, 0x1E, // 9
shintamainjp	2:91c03e41c927	41	0x00, 0x36, 0x36, 0x00, 0x00, // :
shintamainjp	2:91c03e41c927	42	0x00, 0x56, 0x36, 0x00, 0x00, // ;
shintamainjp	2:91c03e41c927	43	0x00, 0x08, 0x14, 0x22, 0x41, // <
shintamainjp	2:91c03e41c927	44	0x14, 0x14, 0x14, 0x14, 0x14, // =
shintamainjp	2:91c03e41c927	45	0x41, 0x22, 0x14, 0x08, 0x00, // >
shintamainjp	2:91c03e41c927	46	0x02, 0x01, 0x51, 0x09, 0x06, // ?
shintamainjp	2:91c03e41c927	47	0x32, 0x49, 0x79, 0x41, 0x3E, // @
shintamainjp	2:91c03e41c927	48	0x7E, 0x11, 0x11, 0x11, 0x7E, // A
shintamainjp	2:91c03e41c927	49	0x7F, 0x49, 0x49, 0x49, 0x36, // B
shintamainjp	2:91c03e41c927	50	0x3E, 0x41, 0x41, 0x41, 0x22, // C
shintamainjp	2:91c03e41c927	51	0x7F, 0x41, 0x41, 0x22, 0x1C, // D
shintamainjp	2:91c03e41c927	52	0x7F, 0x49, 0x49, 0x49, 0x41, // E
shintamainjp	2:91c03e41c927	53	0x7F, 0x09, 0x09, 0x01, 0x01, // F
shintamainjp	2:91c03e41c927	54	0x3E, 0x41, 0x41, 0x51, 0x32, // G
shintamainjp	2:91c03e41c927	55	0x7F, 0x08, 0x08, 0x08, 0x7F, // H
shintamainjp	2:91c03e41c927	56	0x00, 0x41, 0x7F, 0x41, 0x00, // I
shintamainjp	2:91c03e41c927	57	0x20, 0x40, 0x41, 0x3F, 0x01, // J
shintamainjp	2:91c03e41c927	58	0x7F, 0x08, 0x14, 0x22, 0x41, // K
shintamainjp	2:91c03e41c927	59	0x7F, 0x40, 0x40, 0x40, 0x40, // L
shintamainjp	2:91c03e41c927	60	0x7F, 0x02, 0x04, 0x02, 0x7F, // M
shintamainjp	2:91c03e41c927	61	0x7F, 0x04, 0x08, 0x10, 0x7F, // N
shintamainjp	2:91c03e41c927	62	0x3E, 0x41, 0x41, 0x41, 0x3E, // O
shintamainjp	2:91c03e41c927	63	0x7F, 0x09, 0x09, 0x09, 0x06, // P
shintamainjp	2:91c03e41c927	64	0x3E, 0x41, 0x51, 0x21, 0x5E, // Q
shintamainjp	2:91c03e41c927	65	0x7F, 0x09, 0x19, 0x29, 0x46, // R
shintamainjp	2:91c03e41c927	66	0x46, 0x49, 0x49, 0x49, 0x31, // S
shintamainjp	2:91c03e41c927	67	0x01, 0x01, 0x7F, 0x01, 0x01, // T
shintamainjp	2:91c03e41c927	68	0x3F, 0x40, 0x40, 0x40, 0x3F, // U
shintamainjp	2:91c03e41c927	69	0x1F, 0x20, 0x40, 0x20, 0x1F, // V
shintamainjp	2:91c03e41c927	70	0x7F, 0x20, 0x18, 0x20, 0x7F, // W
shintamainjp	2:91c03e41c927	71	0x63, 0x14, 0x08, 0x14, 0x63, // X
shintamainjp	2:91c03e41c927	72	0x03, 0x04, 0x78, 0x04, 0x03, // Y
shintamainjp	2:91c03e41c927	73	0x61, 0x51, 0x49, 0x45, 0x43, // Z
shintamainjp	2:91c03e41c927	74	0x00, 0x00, 0x7F, 0x41, 0x41, // [
shintamainjp	2:91c03e41c927	75	0x02, 0x04, 0x08, 0x10, 0x20, // /
shintamainjp	2:91c03e41c927	76	0x41, 0x41, 0x7F, 0x00, 0x00, // ]
shintamainjp	2:91c03e41c927	77	0x04, 0x02, 0x01, 0x02, 0x04, // ^
shintamainjp	2:91c03e41c927	78	0x40, 0x40, 0x40, 0x40, 0x40, // _
shintamainjp	2:91c03e41c927	79	0x00, 0x01, 0x02, 0x04, 0x00, // `
shintamainjp	2:91c03e41c927	80	0x20, 0x54, 0x54, 0x54, 0x78, // a
shintamainjp	2:91c03e41c927	81	0x7F, 0x48, 0x44, 0x44, 0x38, // b
shintamainjp	2:91c03e41c927	82	0x38, 0x44, 0x44, 0x44, 0x20, // c
shintamainjp	2:91c03e41c927	83	0x38, 0x44, 0x44, 0x48, 0x7F, // d
shintamainjp	2:91c03e41c927	84	0x38, 0x54, 0x54, 0x54, 0x18, // e
shintamainjp	2:91c03e41c927	85	0x08, 0x7E, 0x09, 0x01, 0x02, // f
shintamainjp	2:91c03e41c927	86	0x08, 0x14, 0x54, 0x54, 0x3C, // g
shintamainjp	2:91c03e41c927	87	0x7F, 0x08, 0x04, 0x04, 0x78, // h
shintamainjp	2:91c03e41c927	88	0x00, 0x44, 0x7D, 0x40, 0x00, // i
shintamainjp	2:91c03e41c927	89	0x20, 0x40, 0x44, 0x3D, 0x00, // j
shintamainjp	2:91c03e41c927	90	0x00, 0x7F, 0x10, 0x28, 0x44, // k
shintamainjp	2:91c03e41c927	91	0x00, 0x41, 0x7F, 0x40, 0x00, // l
shintamainjp	2:91c03e41c927	92	0x7C, 0x04, 0x18, 0x04, 0x78, // m
shintamainjp	2:91c03e41c927	93	0x7C, 0x08, 0x04, 0x04, 0x78, // n
shintamainjp	2:91c03e41c927	94	0x38, 0x44, 0x44, 0x44, 0x38, // o
shintamainjp	2:91c03e41c927	95	0x7C, 0x14, 0x14, 0x14, 0x08, // p
shintamainjp	2:91c03e41c927	96	0x08, 0x14, 0x14, 0x18, 0x7C, // q
shintamainjp	2:91c03e41c927	97	0x7C, 0x08, 0x04, 0x04, 0x08, // r
shintamainjp	2:91c03e41c927	98	0x48, 0x54, 0x54, 0x54, 0x20, // s
shintamainjp	2:91c03e41c927	99	0x04, 0x3F, 0x44, 0x40, 0x20, // t
shintamainjp	2:91c03e41c927	100	0x3C, 0x40, 0x40, 0x20, 0x7C, // u
shintamainjp	2:91c03e41c927	101	0x1C, 0x20, 0x40, 0x20, 0x1C, // v
shintamainjp	2:91c03e41c927	102	0x3C, 0x40, 0x30, 0x40, 0x3C, // w
shintamainjp	2:91c03e41c927	103	0x44, 0x28, 0x10, 0x28, 0x44, // x
shintamainjp	2:91c03e41c927	104	0x0C, 0x50, 0x50, 0x50, 0x3C, // y
shintamainjp	2:91c03e41c927	105	0x44, 0x64, 0x54, 0x4C, 0x44, // z
shintamainjp	2:91c03e41c927	106	0x00, 0x08, 0x36, 0x41, 0x00, // {
shintamainjp	2:91c03e41c927	107	0x00, 0x00, 0x7F, 0x00, 0x00, // \|
shintamainjp	2:91c03e41c927	108	0x00, 0x41, 0x36, 0x08, 0x00, // }
shintamainjp	2:91c03e41c927	109	0x08, 0x08, 0x2A, 0x1C, 0x08, // ->
shintamainjp	2:91c03e41c927	110	0x08, 0x1C, 0x2A, 0x08, 0x08 // <-
shintamainjp	2:91c03e41c927	111	};
shintamainjp	2:91c03e41c927	112
shintamainjp	0:238f2d048222	113	SG12864A::SG12864A(PinName di,
shintamainjp	0:238f2d048222	114	PinName rw,
shintamainjp	0:238f2d048222	115	PinName en,
shintamainjp	0:238f2d048222	116	PinName db0,
shintamainjp	0:238f2d048222	117	PinName db1,
shintamainjp	0:238f2d048222	118	PinName db2,
shintamainjp	0:238f2d048222	119	PinName db3,
shintamainjp	0:238f2d048222	120	PinName db4,
shintamainjp	0:238f2d048222	121	PinName db5,
shintamainjp	0:238f2d048222	122	PinName db6,
shintamainjp	0:238f2d048222	123	PinName db7,
shintamainjp	0:238f2d048222	124	PinName cs1,
shintamainjp	0:238f2d048222	125	PinName cs2,
shintamainjp	0:238f2d048222	126	PinName res)
shintamainjp	0:238f2d048222	127	:
shintamainjp	0:238f2d048222	128	ioDI(di),
shintamainjp	0:238f2d048222	129	ioRW(rw),
shintamainjp	0:238f2d048222	130	ioEN(en),
shintamainjp	0:238f2d048222	131	ioDB(db0, db1, db2, db3, db4, db5, db6, db7),
shintamainjp	0:238f2d048222	132	ioCS1(cs1),
shintamainjp	0:238f2d048222	133	ioCS2(cs2),
shintamainjp	0:238f2d048222	134	ioRES(res) {
shintamainjp	1:aacd73a4e7ee	135	bufferClear();
shintamainjp	0:238f2d048222	136	setDirectionToWrite();
shintamainjp	0:238f2d048222	137	}
shintamainjp	0:238f2d048222	138
shintamainjp	0:238f2d048222	139	SG12864A::~SG12864A() {
shintamainjp	0:238f2d048222	140	}
shintamainjp	0:238f2d048222	141
shintamainjp	1:aacd73a4e7ee	142	void SG12864A::bufferPush(void) {
shintamainjp	1:aacd73a4e7ee	143	for (uint8_t i = 0; i < PAGES; i++) {
shintamainjp	1:aacd73a4e7ee	144	// CS1
shintamainjp	1:aacd73a4e7ee	145	setPageAddress(SG12864A::CS1, i);
shintamainjp	1:aacd73a4e7ee	146	setColumnAddress(SG12864A::CS1, 0);
shintamainjp	1:aacd73a4e7ee	147	for (uint8_t j = 0; j < COLUMNS; j++) {
shintamainjp	1:aacd73a4e7ee	148	writeData(CS1, buffer[0 + ((COLUMNS * 2) * i) + j]);
shintamainjp	1:aacd73a4e7ee	149	}
shintamainjp	1:aacd73a4e7ee	150	// CS2
shintamainjp	1:aacd73a4e7ee	151	setPageAddress(SG12864A::CS2, i);
shintamainjp	1:aacd73a4e7ee	152	setColumnAddress(SG12864A::CS2, 0);
shintamainjp	1:aacd73a4e7ee	153	for (uint8_t j = 0; j < COLUMNS; j++) {
shintamainjp	1:aacd73a4e7ee	154	writeData(CS2, buffer[COLUMNS + ((COLUMNS * 2) * i) + j]);
shintamainjp	1:aacd73a4e7ee	155	}
shintamainjp	1:aacd73a4e7ee	156	}
shintamainjp	1:aacd73a4e7ee	157	}
shintamainjp	1:aacd73a4e7ee	158
shintamainjp	1:aacd73a4e7ee	159	void SG12864A::bufferPull(void) {
shintamainjp	1:aacd73a4e7ee	160	}
shintamainjp	1:aacd73a4e7ee	161
shintamainjp	1:aacd73a4e7ee	162	void SG12864A::bufferClear(void) {
shintamainjp	1:aacd73a4e7ee	163	for (int i = 0; i < sizeof(buffer); i++) {
shintamainjp	1:aacd73a4e7ee	164	buffer[i] = 0x00;
shintamainjp	1:aacd73a4e7ee	165	}
shintamainjp	1:aacd73a4e7ee	166	}
shintamainjp	1:aacd73a4e7ee	167
shintamainjp	1:aacd73a4e7ee	168	void SG12864A::bufferDrawLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) {
shintamainjp	1:aacd73a4e7ee	169	/*
shintamainjp	1:aacd73a4e7ee	170	* Bresenham's line algorithm
shintamainjp	1:aacd73a4e7ee	171	*/
shintamainjp	1:aacd73a4e7ee	172	bool steep = abs(y2 - y1) > abs(x2 - x1);
shintamainjp	1:aacd73a4e7ee	173	if (steep) {
shintamainjp	1:aacd73a4e7ee	174	swap(x1, y1);
shintamainjp	1:aacd73a4e7ee	175	swap(x2, y2);
shintamainjp	1:aacd73a4e7ee	176	}
shintamainjp	1:aacd73a4e7ee	177	if (x1 > x2) {
shintamainjp	1:aacd73a4e7ee	178	swap(x1, x2);
shintamainjp	1:aacd73a4e7ee	179	swap(y1, y2);
shintamainjp	1:aacd73a4e7ee	180	}
shintamainjp	1:aacd73a4e7ee	181	int deltax = x2 - x1;
shintamainjp	1:aacd73a4e7ee	182	int deltay = abs(y2 - y1);
shintamainjp	1:aacd73a4e7ee	183	int error = deltax / 2;
shintamainjp	1:aacd73a4e7ee	184	int ystep;
shintamainjp	1:aacd73a4e7ee	185	int y = y1;
shintamainjp	1:aacd73a4e7ee	186	if (y1 < y2) {
shintamainjp	1:aacd73a4e7ee	187	ystep = 1;
shintamainjp	1:aacd73a4e7ee	188	} else {
shintamainjp	1:aacd73a4e7ee	189	ystep = -1;
shintamainjp	1:aacd73a4e7ee	190	}
shintamainjp	1:aacd73a4e7ee	191	for (int x = x1; x <= x2; x++) {
shintamainjp	1:aacd73a4e7ee	192	if (steep) {
shintamainjp	1:aacd73a4e7ee	193	setPixel(y,x);
shintamainjp	1:aacd73a4e7ee	194	} else {
shintamainjp	1:aacd73a4e7ee	195	setPixel(x,y);
shintamainjp	1:aacd73a4e7ee	196	}
shintamainjp	1:aacd73a4e7ee	197	error = error - deltay;
shintamainjp	1:aacd73a4e7ee	198	if (error < 0) {
shintamainjp	1:aacd73a4e7ee	199	y = y + ystep;
shintamainjp	1:aacd73a4e7ee	200	error = error + deltax;
shintamainjp	1:aacd73a4e7ee	201	}
shintamainjp	1:aacd73a4e7ee	202	}
shintamainjp	1:aacd73a4e7ee	203	}
shintamainjp	1:aacd73a4e7ee	204
shintamainjp	1:aacd73a4e7ee	205	void SG12864A::bufferDrawBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) {
shintamainjp	1:aacd73a4e7ee	206	for (int x = x1; x <= x2; x++) {
shintamainjp	1:aacd73a4e7ee	207	setPixel(x, y1);
shintamainjp	1:aacd73a4e7ee	208	setPixel(x, y2);
shintamainjp	1:aacd73a4e7ee	209	}
shintamainjp	1:aacd73a4e7ee	210	for (int y = y1; y <= y2; y++) {
shintamainjp	1:aacd73a4e7ee	211	setPixel(x1, y);
shintamainjp	1:aacd73a4e7ee	212	setPixel(x2, y);
shintamainjp	1:aacd73a4e7ee	213	}
shintamainjp	1:aacd73a4e7ee	214	}
shintamainjp	1:aacd73a4e7ee	215
shintamainjp	1:aacd73a4e7ee	216	void SG12864A::bufferFillBox(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2) {
shintamainjp	1:aacd73a4e7ee	217	for (int x = x1; x <= x2; x++) {
shintamainjp	1:aacd73a4e7ee	218	for (int y = y1; y <= y2; y++) {
shintamainjp	1:aacd73a4e7ee	219	setPixel(x, y);
shintamainjp	1:aacd73a4e7ee	220	}
shintamainjp	1:aacd73a4e7ee	221	}
shintamainjp	1:aacd73a4e7ee	222	}
shintamainjp	1:aacd73a4e7ee	223
shintamainjp	2:91c03e41c927	224	void SG12864A::bufferDrawString(const uint8_t x, const uint8_t y, const char * str) {
shintamainjp	2:91c03e41c927	225	char p = (char )str;
shintamainjp	2:91c03e41c927	226	int cnt = 0;
shintamainjp	2:91c03e41c927	227	while (*p) {
shintamainjp	2:91c03e41c927	228	bufferDrawChar(x + (FONT_X * cnt), y, *p);
shintamainjp	2:91c03e41c927	229	p++;
shintamainjp	2:91c03e41c927	230	cnt++;
shintamainjp	2:91c03e41c927	231	}
shintamainjp	2:91c03e41c927	232	}
shintamainjp	2:91c03e41c927	233
shintamainjp	2:91c03e41c927	234	void SG12864A::bufferDrawChar(const uint8_t x, const uint8_t y, const char c) {
shintamainjp	2:91c03e41c927	235	if ((FONT_MIN_CODE <= c) &&(c <= FONT_MAX_CODE)) {
shintamainjp	2:91c03e41c927	236	int aofs = (c - FONT_MIN_CODE) * FONT_X;
shintamainjp	2:91c03e41c927	237	for (int i = 0; i < FONT_X; i++) {
shintamainjp	2:91c03e41c927	238	uint8_t pat = font5x7_data[aofs + i];
shintamainjp	2:91c03e41c927	239	for (int j = 0; j < FONT_Y; j++) {
shintamainjp	2:91c03e41c927	240	if (pat & (1 << j)) {
shintamainjp	2:91c03e41c927	241	setPixel(x + i, y + j);
shintamainjp	2:91c03e41c927	242	} else {
shintamainjp	2:91c03e41c927	243	unsetPixel(x + i, y + j);
shintamainjp	2:91c03e41c927	244	}
shintamainjp	2:91c03e41c927	245	}
shintamainjp	2:91c03e41c927	246	}
shintamainjp	2:91c03e41c927	247	} else {
shintamainjp	2:91c03e41c927	248	for (int i = 0; i < FONT_X; i++) {
shintamainjp	2:91c03e41c927	249	uint8_t pat = (i % 2) ? 0x55 : 0xAA;
shintamainjp	2:91c03e41c927	250	for (int j = 0; j < FONT_Y; j++) {
shintamainjp	2:91c03e41c927	251	if (pat & (1 << j)) {
shintamainjp	2:91c03e41c927	252	setPixel(x + i, y + j);
shintamainjp	2:91c03e41c927	253	} else {
shintamainjp	2:91c03e41c927	254	unsetPixel(x + i, y + j);
shintamainjp	2:91c03e41c927	255	}
shintamainjp	2:91c03e41c927	256	}
shintamainjp	2:91c03e41c927	257	}
shintamainjp	2:91c03e41c927	258	}
shintamainjp	2:91c03e41c927	259	}
shintamainjp	2:91c03e41c927	260
shintamainjp	0:238f2d048222	261	/**
shintamainjp	0:238f2d048222	262	* High Level Interface.
shintamainjp	0:238f2d048222	263	*
shintamainjp	0:238f2d048222	264	* Reset display module.
shintamainjp	0:238f2d048222	265	*/
shintamainjp	0:238f2d048222	266	void SG12864A::reset(void) {
shintamainjp	0:238f2d048222	267	reset(true);
shintamainjp	0:238f2d048222	268	wait_ms(200);
shintamainjp	0:238f2d048222	269	reset(false);
shintamainjp	0:238f2d048222	270	wait_ms(200);
shintamainjp	0:238f2d048222	271
shintamainjp	0:238f2d048222	272	setDisplayOnOff(SG12864A::CS1, true);
shintamainjp	0:238f2d048222	273	setDisplayOnOff(SG12864A::CS2, true);
shintamainjp	0:238f2d048222	274	setDisplayStartLine(SG12864A::CS1, 0);
shintamainjp	0:238f2d048222	275	setDisplayStartLine(SG12864A::CS2, 0);
shintamainjp	0:238f2d048222	276	setPageAddress(SG12864A::CS1, 0);
shintamainjp	0:238f2d048222	277	setPageAddress(SG12864A::CS2, 0);
shintamainjp	0:238f2d048222	278	setColumnAddress(SG12864A::CS1, 0);
shintamainjp	0:238f2d048222	279	setColumnAddress(SG12864A::CS2, 0);
shintamainjp	0:238f2d048222	280	}
shintamainjp	0:238f2d048222	281
shintamainjp	0:238f2d048222	282	/**
shintamainjp	0:238f2d048222	283	* High Level Interface.
shintamainjp	0:238f2d048222	284	*
shintamainjp	0:238f2d048222	285	* Clear display module.
shintamainjp	0:238f2d048222	286	*/
shintamainjp	0:238f2d048222	287	void SG12864A::clear(void) {
shintamainjp	0:238f2d048222	288	for (uint8_t page = 0; page < PAGES; page++) {
shintamainjp	0:238f2d048222	289	for (uint8_t column = 0; column < COLUMNS; column++) {
shintamainjp	0:238f2d048222	290	// CS1
shintamainjp	0:238f2d048222	291	setPageAddress(SG12864A::CS1, page);
shintamainjp	0:238f2d048222	292	setColumnAddress(SG12864A::CS1, column);
shintamainjp	0:238f2d048222	293	writeData(CS1, 0x00);
shintamainjp	0:238f2d048222	294	// CS2
shintamainjp	0:238f2d048222	295	setPageAddress(SG12864A::CS2, page);
shintamainjp	0:238f2d048222	296	setColumnAddress(SG12864A::CS2, column);
shintamainjp	0:238f2d048222	297	writeData(CS2, 0x00);
shintamainjp	0:238f2d048222	298	}
shintamainjp	0:238f2d048222	299	}
shintamainjp	0:238f2d048222	300	// CS1
shintamainjp	0:238f2d048222	301	setPageAddress(SG12864A::CS1, 0);
shintamainjp	0:238f2d048222	302	setColumnAddress(SG12864A::CS1, 0);
shintamainjp	0:238f2d048222	303	writeData(CS1, 0x00);
shintamainjp	0:238f2d048222	304	// CS2
shintamainjp	0:238f2d048222	305	setPageAddress(SG12864A::CS2, 0);
shintamainjp	0:238f2d048222	306	setColumnAddress(SG12864A::CS2, 0);
shintamainjp	0:238f2d048222	307	writeData(CS2, 0x00);
shintamainjp	0:238f2d048222	308	}
shintamainjp	0:238f2d048222	309
shintamainjp	0:238f2d048222	310	/**
shintamainjp	0:238f2d048222	311	* Middle Level Interface.
shintamainjp	0:238f2d048222	312	*
shintamainjp	0:238f2d048222	313	* Set display on/off.
shintamainjp	0:238f2d048222	314	*
shintamainjp	0:238f2d048222	315	* @param t Target (CS1, CS2).
shintamainjp	0:238f2d048222	316	* @param on ON/OFF (true, false).
shintamainjp	0:238f2d048222	317	*/
shintamainjp	0:238f2d048222	318	void SG12864A::setDisplayOnOff(Target t, bool on) {
shintamainjp	0:238f2d048222	319	setDirectionToWrite();
shintamainjp	0:238f2d048222	320	uint8_t c = 0x3e \| (on ? 0x01 : 0x00);
shintamainjp	0:238f2d048222	321	write(t, SG12864A::Instruction, c);
shintamainjp	0:238f2d048222	322	wait_us(1);
shintamainjp	0:238f2d048222	323	}
shintamainjp	0:238f2d048222	324
shintamainjp	0:238f2d048222	325	/**
shintamainjp	0:238f2d048222	326	* Middle Level Interface.
shintamainjp	0:238f2d048222	327	*
shintamainjp	0:238f2d048222	328	* Set display start line.
shintamainjp	0:238f2d048222	329	*
shintamainjp	0:238f2d048222	330	* @param t Target (CS1, CS2).
shintamainjp	0:238f2d048222	331	* @param addr Display start line (0-63).
shintamainjp	0:238f2d048222	332	*/
shintamainjp	0:238f2d048222	333	void SG12864A::setDisplayStartLine(Target t, uint8_t addr) {
shintamainjp	0:238f2d048222	334	setDirectionToWrite();
shintamainjp	0:238f2d048222	335	uint8_t c = 0xc0 \| (addr & 0x3f);
shintamainjp	0:238f2d048222	336	write(t, SG12864A::Instruction, c);
shintamainjp	0:238f2d048222	337	wait_us(1);
shintamainjp	0:238f2d048222	338	}
shintamainjp	0:238f2d048222	339
shintamainjp	0:238f2d048222	340	/**
shintamainjp	0:238f2d048222	341	* Middle Level Interface.
shintamainjp	0:238f2d048222	342	*
shintamainjp	0:238f2d048222	343	* Set page address.
shintamainjp	0:238f2d048222	344	*
shintamainjp	0:238f2d048222	345	* @param t Target (CS1, CS2).
shintamainjp	0:238f2d048222	346	* @param addr Page address(0-7).
shintamainjp	0:238f2d048222	347	*/
shintamainjp	0:238f2d048222	348	void SG12864A::setPageAddress(Target t, uint8_t addr) {
shintamainjp	0:238f2d048222	349	setDirectionToWrite();
shintamainjp	0:238f2d048222	350	uint8_t c = 0xb8 \| (addr & 0x07);
shintamainjp	0:238f2d048222	351	write(t, SG12864A::Instruction, c);
shintamainjp	0:238f2d048222	352	wait_us(1);
shintamainjp	0:238f2d048222	353	}
shintamainjp	0:238f2d048222	354
shintamainjp	0:238f2d048222	355	/**
shintamainjp	0:238f2d048222	356	* Middle Level Interface.
shintamainjp	0:238f2d048222	357	*
shintamainjp	0:238f2d048222	358	* Set column address.
shintamainjp	0:238f2d048222	359	*
shintamainjp	0:238f2d048222	360	* @param t Target. (CS1, CS2)
shintamainjp	0:238f2d048222	361	* @param addr Column address (0-63).
shintamainjp	0:238f2d048222	362	*/
shintamainjp	0:238f2d048222	363	void SG12864A::setColumnAddress(Target t, uint8_t addr) {
shintamainjp	0:238f2d048222	364	setDirectionToWrite();
shintamainjp	0:238f2d048222	365	uint8_t c = 0x40 \| (addr & 0x3f);
shintamainjp	0:238f2d048222	366	write(t, SG12864A::Instruction, c);
shintamainjp	0:238f2d048222	367	wait_us(1);
shintamainjp	0:238f2d048222	368	}
shintamainjp	0:238f2d048222	369
shintamainjp	0:238f2d048222	370	/**
shintamainjp	0:238f2d048222	371	* Middle Level Interface.
shintamainjp	0:238f2d048222	372	*/
shintamainjp	0:238f2d048222	373	void SG12864A::readStatus(Target t, uint8_t *c) {
shintamainjp	0:238f2d048222	374	setDirectionToRead();
shintamainjp	0:238f2d048222	375	read(t, SG12864A::Instruction, c);
shintamainjp	0:238f2d048222	376	wait_us(1);
shintamainjp	0:238f2d048222	377	}
shintamainjp	0:238f2d048222	378
shintamainjp	0:238f2d048222	379	/**
shintamainjp	0:238f2d048222	380	* Middle Level Interface.
shintamainjp	0:238f2d048222	381	*/
shintamainjp	0:238f2d048222	382	void SG12864A::writeData(Target t, uint8_t c) {
shintamainjp	0:238f2d048222	383	setDirectionToWrite();
shintamainjp	0:238f2d048222	384	write(t, SG12864A::Data, c);
shintamainjp	0:238f2d048222	385	wait_us(1);
shintamainjp	0:238f2d048222	386	}
shintamainjp	0:238f2d048222	387
shintamainjp	0:238f2d048222	388	/**
shintamainjp	0:238f2d048222	389	* Middle Level Interface.
shintamainjp	0:238f2d048222	390	*/
shintamainjp	0:238f2d048222	391	void SG12864A::readData(Target t, uint8_t *c) {
shintamainjp	0:238f2d048222	392	setDirectionToRead();
shintamainjp	0:238f2d048222	393	read(t, SG12864A::Data, c);
shintamainjp	0:238f2d048222	394	wait_us(1);
shintamainjp	0:238f2d048222	395	}
shintamainjp	0:238f2d048222	396
shintamainjp	0:238f2d048222	397	/**
shintamainjp	0:238f2d048222	398	* Low Level Interface.
shintamainjp	0:238f2d048222	399	*/
shintamainjp	0:238f2d048222	400	void SG12864A::setDirectionToRead() {
shintamainjp	0:238f2d048222	401	ioDB.input();
shintamainjp	0:238f2d048222	402	ioRW = 1;
shintamainjp	0:238f2d048222	403	}
shintamainjp	0:238f2d048222	404
shintamainjp	0:238f2d048222	405	/**
shintamainjp	0:238f2d048222	406	* Low Level Interface.
shintamainjp	0:238f2d048222	407	*/
shintamainjp	0:238f2d048222	408	void SG12864A::setDirectionToWrite() {
shintamainjp	0:238f2d048222	409	ioDB.output();
shintamainjp	0:238f2d048222	410	ioRW = 0;
shintamainjp	0:238f2d048222	411	}
shintamainjp	0:238f2d048222	412
shintamainjp	0:238f2d048222	413	/**
shintamainjp	0:238f2d048222	414	* Low Level Interface.
shintamainjp	0:238f2d048222	415	*/
shintamainjp	0:238f2d048222	416	void SG12864A::write(Target t, Mode m, uint8_t c) {
shintamainjp	0:238f2d048222	417	switch (t) {
shintamainjp	0:238f2d048222	418	case CS1:
shintamainjp	0:238f2d048222	419	ioCS1 = 1;
shintamainjp	0:238f2d048222	420	ioCS2 = 0;
shintamainjp	0:238f2d048222	421	break;
shintamainjp	0:238f2d048222	422	case CS2:
shintamainjp	0:238f2d048222	423	ioCS1 = 0;
shintamainjp	0:238f2d048222	424	ioCS2 = 1;
shintamainjp	0:238f2d048222	425	break;
shintamainjp	0:238f2d048222	426	}
shintamainjp	0:238f2d048222	427	switch (m) {
shintamainjp	0:238f2d048222	428	case Data:
shintamainjp	0:238f2d048222	429	ioDI = 1;
shintamainjp	0:238f2d048222	430	break;
shintamainjp	0:238f2d048222	431	case Instruction:
shintamainjp	0:238f2d048222	432	ioDI = 0;
shintamainjp	0:238f2d048222	433	break;
shintamainjp	0:238f2d048222	434	}
shintamainjp	0:238f2d048222	435	ioDB = c;
shintamainjp	0:238f2d048222	436	wait_us(1);
shintamainjp	0:238f2d048222	437	ioEN = 1;
shintamainjp	0:238f2d048222	438	wait_us(1);
shintamainjp	0:238f2d048222	439	ioEN = 0;
shintamainjp	0:238f2d048222	440	wait_us(5);
shintamainjp	0:238f2d048222	441	}
shintamainjp	0:238f2d048222	442
shintamainjp	0:238f2d048222	443	/**
shintamainjp	0:238f2d048222	444	* Low Level Interface.
shintamainjp	0:238f2d048222	445	*/
shintamainjp	0:238f2d048222	446	void SG12864A::read(Target t, Mode m, uint8_t *c) {
shintamainjp	0:238f2d048222	447	// TODO
shintamainjp	0:238f2d048222	448	}
shintamainjp	0:238f2d048222	449
shintamainjp	0:238f2d048222	450	/**
shintamainjp	0:238f2d048222	451	* Low Level Interface.
shintamainjp	0:238f2d048222	452	*/
shintamainjp	0:238f2d048222	453	void SG12864A::reset(bool b) {
shintamainjp	0:238f2d048222	454	if (b) {
shintamainjp	0:238f2d048222	455	ioRES = 0;
shintamainjp	0:238f2d048222	456	} else {
shintamainjp	0:238f2d048222	457	ioRES = 1;
shintamainjp	0:238f2d048222	458	}
shintamainjp	0:238f2d048222	459	}

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Type:	Library
Created:	19 Jul 2010
Imports:	120
Forks:	0
Commits:	7
Dependents:	1
Dependencies:	0
Followers:	9

SG12864A.cpp@2:91c03e41c927, 2010-07-20 (annotated)

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