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authorinmarket <inmarket@ugfx.io>2017-05-18 19:24:53 +1000
committerinmarket <inmarket@ugfx.io>2017-05-18 19:24:53 +1000
commit09402b6bde18b49e746093b107f64dc25df79e9e (patch)
treeb615e3bc2d807e7952a72b367a5b4010fc6afc05 /drivers/gdisp
parent01fd5f3c90c1547492b65d057d1c05baf0c203d3 (diff)
downloaduGFX-09402b6bde18b49e746093b107f64dc25df79e9e.tar.gz
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KS0108 multi-chip driver thanks to doc_rob.
Diffstat (limited to 'drivers/gdisp')
-rw-r--r--drivers/gdisp/KS0108/board_KS0108_example.h394
-rw-r--r--drivers/gdisp/KS0108/driver.mk2
-rw-r--r--drivers/gdisp/KS0108/gdisp_lld_KS0108.c327
-rw-r--r--drivers/gdisp/KS0108/gdisp_lld_config.h18
4 files changed, 741 insertions, 0 deletions
diff --git a/drivers/gdisp/KS0108/board_KS0108_example.h b/drivers/gdisp/KS0108/board_KS0108_example.h
new file mode 100644
index 00000000..86541f73
--- /dev/null
+++ b/drivers/gdisp/KS0108/board_KS0108_example.h
@@ -0,0 +1,394 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+/* KS0107/0108 Driver
+ * Pinout: There are at least two different Pinouts!
+ * Version 1:
+ * 1 - CS1 High Active
+ * 2 - CS2 High Active
+ * 3 - GND
+ * 4 - 5V
+ * 5 - CONTRAST
+ * 6 - RS(=DC) High = Data, Low = Command
+ * 7 - R/W High = Read, Low = Write
+ * 8 - E Data is KS0108_latched at the falling Edge
+ * 9..16 - D0..7
+ * Version 2:
+ * 1 - GND
+ * 2 - 5V
+ * 3 - Vo (Operating Voltage for LCD)
+ * 4 - RS High = Data, Low = Command
+ * 5 - R/W High = Read, Low = Write
+ * 6 - E Data is KS0108_latched at the falling Edge
+ * 7..14 - D0..7
+ * 15 - CS1 High Active
+ * 16 - CS2 High Active
+ * 17 - /RST Low Active
+ * 18 - Vout (Output voltage for LCD)
+ * 19 - LEDA
+ * 20 - LEDK
+ *
+ */
+#ifndef _GDISP_LLD_BOARD_H
+#define _GDISP_LLD_BOARD_H
+
+// My Settings
+#define GDISP_SCREEN_HEIGHT 64
+#define GDISP_SCREEN_WIDTH 128
+#define KS0108_NEED_READ FALSE
+#define KS0108_HAS_RESET FALSE
+#define KS0108_NEED_BACKLIGHT FALSE
+#define KS0108_NEED_PWMBACKLIGHT FALSE
+#define KS0108_NOP_DLY TRUE //doesn't work for me without!
+
+#define LINE_D0 PAL_LINE(GPIOB, 0U)
+#define LINE_D1 PAL_LINE(GPIOB, 1U)
+#define LINE_D2 PAL_LINE(GPIOB, 2U)
+#define LINE_D3 PAL_LINE(GPIOB, 3U)
+#define LINE_D4 PAL_LINE(GPIOB, 4U)
+#define LINE_D5 PAL_LINE(GPIOB, 5U)
+#define LINE_D6 PAL_LINE(GPIOB, 6U)
+#define LINE_D7 PAL_LINE(GPIOB, 7U)
+#define LINE_BUSY PAL_LINE(GPIOB, 7U)
+#define LINE_CS1 PAL_LINE(GPIOB, 8U)
+#define LINE_CS2 PAL_LINE(GPIOB, 9U)
+#define LINE_E PAL_LINE(GPIOB, 10U)
+#define LINE_DC PAL_LINE(GPIOB, 11U)
+#if KS0108_NEED_READ
+ #define LINE_RW PAL_LINE(GPIOB, 12U)
+#endif
+#if KS0108_NEED_BACKLIGHT
+ #define LINE_BL PAL_LINE(GPIOB, 13U)
+#endif
+#if KS0108_HAS_RESET
+ #define LINE_RESET PAL_LINE(GPIOB, 13U)
+#endif
+
+typedef struct {
+ ioline_t CS1; // Chip Select1 PIN
+ ioline_t CS2; // Chip Select2 PIN
+ ioline_t DC; // Register selector PIN
+ ioline_t E; // Enable PIN
+ ioline_t BUSY; // Busy PIN (Same as D[7])
+ #if KS0108_NEED_READ
+ ioline_t RW; // Read/Write PIN
+ #endif
+ #if KS0108_HAS_RESET
+ ioline_t RST; // Reset PIN
+ #endif
+ #if KS0108_NEED_BACKLIGHT
+ ioline_t BL; // Backlight PIN
+ #endif
+ ioline_t D[8];
+ ioline_t CS[CHIPS];
+ } lcd_pins_t;
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+static const lcd_pins_t lcdpins = {
+ LINE_CS1,
+ LINE_CS2,
+ LINE_DC,
+ LINE_E,
+ LINE_BUSY,
+ #if KS0108_NEED_READ
+ LINE_RW,
+ #endif
+ #if KS0108_HAS_RESET
+ LINE_RST,
+ #endif
+ #if KS0108_NEED_BACKLIGHT
+ LINE_BL,
+ #endif
+ {
+ LINE_D0,
+ LINE_D1,
+ LINE_D2,
+ LINE_D3,
+ LINE_D4,
+ LINE_D5,
+ LINE_D6,
+ LINE_D7
+ },
+ {
+ LINE_CS1,
+ LINE_CS2
+ }
+};
+
+static GFXINLINE void init_board(GDisplay* g){
+ (void) g;
+ g->board = 0;
+ int ii;
+
+ for (ii = 0; ii < CHIPS; ii++){
+ palSetLineMode(lcdpins.CS[ii], PAL_MODE_OUTPUT_PUSHPULL);
+ palClearLine(lcdpins.CS[ii]);
+ }
+ palSetLineMode(lcdpins.DC, PAL_MODE_OUTPUT_PUSHPULL);
+ palClearLine(lcdpins.DC);
+ palSetLineMode(lcdpins.E, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetLine(lcdpins.E);
+ #if KS0108_NEED_READ
+ palSetLineMode(lcdpins.RW, PAL_MODE_OUTPUT_PUSHPULL);
+ palClearLine(lcdpins.RW);
+ #endif
+ #if KS0108_HAS_RESET
+ palSetLineMode(lcdpins.RST, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetLine(lcdpins.RST);
+ #endif
+ for(ii = 0; ii < 8; ii++) {
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_OUTPUT_PUSHPULL);
+ palClearLine(lcdpins.D[ii]);
+ }
+ #if KS0108_NEED_BACKLIGHT
+ #if KS0108_NEED_PWMBACKLIGHT
+ palSetLineMode(lcdpins.BL, PAL_MODE_ALTERNATE(1));
+ #else
+ palSetLineMode(lcdpins.BL, PAL_MODE_OUTPUT_PUSHPULL);
+ #endif
+ #endif
+}
+
+static GFXINLINE void post_init_board(GDisplay *g) {
+ (void) g;
+}
+
+static GFXINLINE void setpin_reset(GDisplay *g, bool_t state) {
+ (void) g;
+ (void) state;
+
+ #if KS0108_HAS_RESET //Make Hardware Reset
+ if (state)
+ palClearLine(lcdpins.RST);
+ else
+ palSetLine(lcdpins.RST);
+ #endif
+}
+
+static GFXINLINE void set_backlight(GDisplay *g, uint8_t percent) {
+ (void) g;
+ (void) percent;
+}
+
+static GFXINLINE void acquire_bus(GDisplay *g) {
+ (void) g;
+}
+
+static GFXINLINE void release_bus(GDisplay *g) {
+ (void) g;
+}
+
+void KS0108_delay(uint16_t microsec){
+ #if KS0108_NOP_DLY
+ uint16_t cn;
+ for (cn=0;cn< microsec;cn++){
+
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+ asm("nop");asm("nop");asm("nop");asm("nop");
+
+ //asm("nop");asm("nop");asm("nop");asm("nop");
+ //asm("nop");asm("nop");asm("nop");asm("nop");
+ //1us
+ }
+ #else
+ gfxSleepMicroseconds(microsec);
+ #endif
+}
+
+static GFXINLINE void KS0108_latch(void){
+ palClearLine(lcdpins.E);
+ KS0108_delay(1);
+ palSetLine(lcdpins.E);
+}
+
+static GFXINLINE void KS0108_write(uint8_t value){
+ int ii;
+
+ for(ii = 0; ii < 8; ii++){
+ if(value & (1 << ii))
+ palSetLine(lcdpins.D[ii]);
+ else
+ palClearLine(lcdpins.D[ii]);
+ }
+ KS0108_delay(1);
+}
+
+static GFXINLINE void KS0108_select(uint8_t chip){
+ uint8_t ii;
+ KS0108_delay(1);
+ for (ii = 0; ii < CHIPS; ii++){
+ if (ii == chip)
+ palSetLine(lcdpins.CS[ii]);
+ }
+ KS0108_delay(1);
+}
+
+static GFXINLINE void KS0108_unselect(void){
+ uint8_t ii;
+
+ KS0108_delay(1);
+ for (ii = 0; ii < CHIPS; ii++){
+ palClearLine(lcdpins.CS[ii]);
+ }
+}
+
+/*
+#if KS0108_NEED_READ //Hardware Read ############## WORKS more or less
+static GFXINLINE uint8_t read_KS0108(void) {
+ uint8_t ii, data=0;
+
+ for(ii = 0; ii < 8; ii++)
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_INPUT); //Set pads to input
+ palSetLine(lcdpins.RW);
+ KS0108_delay(1);
+ palClearLine(lcdpins.E);
+ KS0108_delay(1);
+ palSetLine(lcdpins.E);
+ KS0108_delay(1);
+// palClearLine(lcdpins.RW);
+// KS0108_delay(1);
+// palSetLine(lcdpins.RW);
+// KS0108_delay(1);
+ for(ii = 0; ii < 8; ii++){
+ if (palReadLine(lcdpins.D[ii]) == PAL_HIGH){ //Read output
+ data |= (1<<ii);
+ }
+ }
+// palClearLine(lcdpins.E);
+ palClearLine(lcdpins.RW); //Write again
+ for(ii = 0; ii < 8; ii++) {
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_OUTPUT_PUSHPULL); //Set pads to output
+ }
+ return data;
+}
+#endif
+*/
+#if KS0108_NEED_READ //Hardware Read ########### needs more testing but my display is broken
+static GFXINLINE uint8_t read_KS0108(void) {
+ uint8_t ii, data=0;
+
+ for(ii = 0; ii < 8; ii++)
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_INPUT); //Set pads to input
+ palSetLine(lcdpins.RW);
+ KS0108_delay(1);
+
+ palClearLine(lcdpins.DC);
+ KS0108_delay(1);
+
+
+ while (palReadLine(lcdpins.BUSY)); //Wait for busy flag
+ palSetLine(lcdpins.DC);
+ /*
+ KS0108_delay(2);
+ KS0108_latch();
+ KS0108_delay(2);
+ //KS0108_latch();
+ //KS0108_delay(1);
+ */
+ palClearLine(lcdpins.RW);
+ KS0108_delay(2);
+ palSetLine(lcdpins.RW);
+ KS0108_delay(1);
+ palClearLine(lcdpins.DC);
+ KS0108_delay(1);
+ while (palReadLine(lcdpins.BUSY)); //Wait for busy flag
+ //KS0108_delay(7);
+ palSetLine(lcdpins.DC);
+
+ //KS0108_delay(1);
+ //KS0108_latch();
+ //KS0108_delay(3);
+
+ KS0108_delay(1);
+ for(ii = 0; ii < 8; ii++){
+ if (palReadLine(lcdpins.D[ii]) == PAL_HIGH) //Read output
+ data |= (1<<ii);
+ }
+ // palClearLine(lcdpins.E);
+ palSetLine(lcdpins.DC);
+ palClearLine(lcdpins.RW); //Write again
+ for(ii = 0; ii < 8; ii++) {
+ palSetLineMode(lcdpins.D[ii], PAL_MODE_OUTPUT_PUSHPULL); //Set pads to output
+ }
+ return data;
+}
+#endif
+
+static GFXINLINE void write_data(GDisplay* g, uint16_t data){
+ (void)g;
+ uint8_t bit, displayData;
+ #if !KS0108_NEED_READ
+ uint8_t *p;
+ #endif
+
+ palSetLine(lcdpins.DC);
+ KS0108_select((uint8_t)(data>>8));
+ #if KS0108_NEED_READ
+ displayData=read_KS0108();
+ #else
+ p = RAM(g) + (GDISP_SCREEN_WIDTH*(g->p.y >> 3)) + g->p.x;
+ displayData = *p;
+ #endif
+ bit = 1 << (g->p.y & 7); //Get Page bit
+
+ if ((uint8_t)data){ //set bit
+ KS0108_write(displayData | bit);
+ #if !KS0108_NEED_READ
+ *p = (displayData | bit);
+ #endif
+ KS0108_latch();
+ } else {
+ KS0108_write(displayData & ~bit);
+ #if !KS0108_NEED_READ
+ *p = (displayData & ~bit);
+ #endif
+ KS0108_latch();
+ }
+ KS0108_delay(2); //one is too short!
+ KS0108_unselect(); //Important
+}
+
+static GFXINLINE void write_cmd(GDisplay* g, uint16_t cmd){
+ (void)g;
+ palClearLine(lcdpins.DC);
+ KS0108_select((uint8_t)(cmd>>8));
+ KS0108_write((uint8_t)cmd);
+ KS0108_latch();
+ KS0108_unselect(); //Important
+}
+
+static GFXINLINE void setreadmode(GDisplay *g) {
+ (void) g;
+}
+
+static GFXINLINE void setwritemode(GDisplay *g) {
+ (void) g;
+}
+
+static GFXINLINE uint16_t read_data(GDisplay *g) {
+ (void) g;
+ return 0;
+}
+#endif /* _GDISP_LLD_BOARD_H */
diff --git a/drivers/gdisp/KS0108/driver.mk b/drivers/gdisp/KS0108/driver.mk
new file mode 100644
index 00000000..9fa2d2c4
--- /dev/null
+++ b/drivers/gdisp/KS0108/driver.mk
@@ -0,0 +1,2 @@
+GFXINC += $(GFXLIB)/drivers/gdisp/KS0108
+GFXSRC += $(GFXLIB)/drivers/gdisp/KS0108/gdisp_lld_KS0108.c
diff --git a/drivers/gdisp/KS0108/gdisp_lld_KS0108.c b/drivers/gdisp/KS0108/gdisp_lld_KS0108.c
new file mode 100644
index 00000000..af058ebb
--- /dev/null
+++ b/drivers/gdisp/KS0108/gdisp_lld_KS0108.c
@@ -0,0 +1,327 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+
+#include "gfx.h"
+
+#if GFX_USE_GDISP
+
+/* Robert Offner 2017
+ * This is a driver for the KS0107 Displays.
+ * It should work with displays up to 240 pixel in width and 64 pixel in height
+ * ATTENTION some newer displays on ebay look like KS0107 Type but they're not!
+ * They use a new controller: ST7920. These are easy to identify: NO CS pin but
+ * a PSB Pin which switches from parallel to serial communication mode.
+ * If it cost less than 10.- it is probably a ST7920.
+ * Features: Well not much. For now write pixel to display and
+ * Read from Display / Buffer in RAM. Buffer in Ram is much faster than
+ * readback!
+ * I am trying to get the auto increment feature somehow implemented. It
+ * basically means if you start at x=0 and continue with x=1, x=2,... you don't
+ * have to write the address just data.
+ *
+ * Version: 0.3
+ *
+ * History:
+ * v0.4
+ * .) Cleanup by uGFX team. Code needs a lot of work.
+ *
+ * v0.3
+ * .) Removed initialization of g->priv because it is already done by uGFX.
+ *
+ * v0.2
+ * .) Cleanup,
+ * .) changed osalThreadSleep to gfxSleepMicroseconds(x)
+ * ATTENTION: for gfxSleepMicroseconds to work on chibios you have to
+ * increase CH_CFG_ST_FREQUENCY to 1000000 and probably CH_CFG_ST_RESOLUTION
+ * to 32 bit (not tested because STM32F103 doesn't have a 32 bit timer
+ * .) changed lcdbuf to g->priv
+ *
+ * v0.1 Initial Release
+ */
+
+#define GDISP_DRIVER_VMT GDISPVMT_KS0108
+#include "gdisp_lld_config.h"
+#include "../../../src/gdisp/gdisp_driver.h"
+
+#include "board_KS0108.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+#ifndef GDISP_SCREEN_HEIGHT
+ #define GDISP_SCREEN_HEIGHT 64
+#endif
+#ifndef GDISP_SCREEN_WIDTH
+ #define GDISP_SCREEN_WIDTH 128
+#endif
+
+#define CHIPS (GDISP_SCREEN_WIDTH/64)
+
+#if !KS0108_NEED_READ
+ #define BUFFSZ (GDISP_SCREEN_HEIGHT/8 * GDISP_SCREEN_WIDTH)
+ #define RAM(g) ((uint8_t *)g->priv)
+#endif
+#ifndef GDISP_INITIAL_CONTRAST
+ #define GDISP_INITIAL_CONTRAST 50
+#endif
+#ifndef GDISP_INITIAL_BACKLIGHT
+ #define GDISP_INITIAL_BACKLIGHT 100
+#endif
+
+// KS0108 Commands
+#define KS0108_CHIP1_ON 0x003F
+#define KS0108_CHIP2_ON 0x013F
+#define KS0108_DISP1START 0x00C0
+#define KS0108_DISP2START 0x01C0
+#define KS0108_DISP1OFF 0x003E
+#define KS0108_DISP2OFF 0x013E
+#define KS0108_SET_ADDR 0x0040
+#define KS0108_SET_PAGE 0x00B8
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+#ifndef write_data_repeat
+ #define write_data_repeat(g, data, count) { int i; for (i = 0; i < count; ++i) write_data (g, data); }
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
+ #if !KS0108_NEED_READ
+ // The private area is the display surface.
+ g->priv = gfxAlloc(BUFFSZ);
+ #else
+ g->priv = 0;
+ #endif
+ // Initialise the board interface
+ init_board(g);
+
+ #if KS0108_HAS_RESET //Make Hardware Reset
+ setpin_reset(g, TRUE);
+ gfxSleepMilliseconds(120);
+ setpin_reset(g, FALSE);
+ #endif
+ gfxSleepMilliseconds(120);
+ write_cmd(g, KS0108_DISP1OFF);
+ gfxSleepMilliseconds(1);
+ write_cmd(g, KS0108_DISP2OFF);
+ gfxSleepMilliseconds(1);
+ write_cmd(g, KS0108_CHIP1_ON); //0x3F Chip1
+ gfxSleepMilliseconds(1);
+ write_cmd(g, KS0108_CHIP2_ON); //0x3F Chip2
+ gfxSleepMilliseconds(1);
+ write_cmd(g, KS0108_DISP1START); //0xC0 Chip1
+ gfxSleepMilliseconds(1);
+ write_cmd(g, KS0108_DISP2START); //0xC0 Chip2
+ gfxSleepMilliseconds(1);
+
+ // Finish Init
+ post_init_board(g);
+
+ #if KS0108_NEED_BACKLIGHT
+ // Turn on the back-light
+ set_backlight(g, GDISP_INITIAL_BACKLIGHT);
+ #endif
+
+ // Initialise the GDISP structure
+ g->g.Width = GDISP_SCREEN_WIDTH;
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Orientation = GDISP_ROTATE_0;
+ g->g.Powermode = powerOn;
+ g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
+ g->g.Contrast = GDISP_INITIAL_CONTRAST;
+
+ return TRUE;
+}
+
+GFXINLINE void KS0108_goto(GDisplay* g, ) {
+}
+
+static void set_viewport(GDisplay *g) {
+ uint16_t pg;
+ uint16_t chip;
+
+ pg = g->p.y >> 3;
+ chip = (g->p.x >> 6) << 8;
+ write_cmd(g, KS0108_SET_PAGE | chip | pg); // (0xB8) - Set page
+ write_cmd(g, KS0108_SET_ADDR | chip | g->p.x); // (0x40) - Set x Address
+}
+
+LLDSPEC void gdisp_lld_write_color(GDisplay *g) {
+ uint16_t data;
+
+ data = (g->p.x >> 6) << 8; // Set the chip
+ if (g->p.color != White)
+ data |= 0x01; // set dot
+ write_data(g, data);
+}
+
+LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
+ set_viewport(g);
+ gdisp_lld_write_color(g);
+}
+
+#if GDISP_HARDWARE_STREAM_WRITE
+ LLDSPEC void gdisp_lld_write_start(GDisplay *g) {
+ acquire_bus(g);
+ set_viewport(g);
+ }
+
+ LLDSPEC void gdisp_lld_write_stop(GDisplay *g) {
+ release_bus(g);
+ }
+#endif
+
+#if GDISP_HARDWARE_STREAM_READ
+ LLDSPEC void gdisp_lld_read_start(GDisplay *g) {
+ acquire_bus(g);
+ set_viewport(g);
+ setreadmode(g);
+ dummy_read(g);
+ }
+
+ LLDSPEC color_t gdisp_lld_read_color(GDisplay *g) {
+ uint16_t data;
+
+ data = read_data(g);
+ return gdispNative2Color(data);
+ }
+
+ LLDSPEC void gdisp_lld_read_stop(GDisplay *g) {
+ setwritemode(g);
+ release_bus(g);
+ }
+#endif
+
+#if GDISP_HARDWARE_FILLS
+ LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
+ uint8_t data, j;
+ set_viewport(g);
+
+ if (g->p.color != White) {
+ data = 0xFF; // set dot
+ }
+ else {
+ data = 0; // clr dot
+ }
+ for (j=0; j < (g->p.cy)/8; j++) {
+ write_data_repeat(g, data, (g->p.cx));
+ (g->p.cy) +=8;
+ set_viewport(g);
+ }
+
+ }
+#endif // GDISP_HARDWARE_FILLS
+
+#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
+ LLDSPEC void gdisp_lld_control(GDisplay *g) {
+ switch(g->p.x) {
+ case GDISP_CONTROL_POWER:
+ if (g->g.Powermode == (powermode_t)g->p.ptr)
+ return;
+
+ switch((powermode_t)g->p.ptr) {
+ case powerOff:
+ acquire_bus(g);
+ write_index(g, 0x28);
+ gfxSleepMilliseconds(10);
+ write_index(g, 0x10);
+ release_bus(g);
+ break;
+
+ case powerOn:
+ acquire_bus(g);
+ write_index(g, 0x11);
+ gfxSleepMilliseconds(120);
+ write_index(g, 0x29);
+ release_bus(g);
+ if (g->g.Powermode != powerSleep)
+ gdisp_lld_init(g);
+ break;
+
+ case powerSleep:
+ acquire_bus(g);
+ write_index(g, 0x28);
+ gfxSleepMilliseconds(10);
+ write_index(g, 0x10);
+ release_bus(g);
+ break;
+
+ default:
+ return;
+ }
+
+ g->g.Powermode = (powermode_t)g->p.ptr;
+ return;
+
+ case GDISP_CONTROL_ORIENTATION:
+ if (g->g.Orientation == (orientation_t)g->p.ptr)
+ return;
+
+ switch((orientation_t)g->p.ptr) {
+ case GDISP_ROTATE_0:
+ acquire_bus(g);
+
+ write_index(g, 0x36);
+ write_data(g, 0x08);
+
+ release_bus(g);
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Width = GDISP_SCREEN_WIDTH;
+ break;
+
+ case GDISP_ROTATE_90:
+ acquire_bus(g);
+
+ write_index(g, 0x36);
+ write_data(g, 0x68);
+
+ release_bus(g);
+ g->g.Height = GDISP_SCREEN_WIDTH;
+ g->g.Width = GDISP_SCREEN_HEIGHT;
+ break;
+
+ case GDISP_ROTATE_180:
+ acquire_bus(g);
+
+ write_index(g, 0x36);
+ write_data(g, 0xC8);
+
+ release_bus(g);
+ g->g.Height = GDISP_SCREEN_HEIGHT;
+ g->g.Width = GDISP_SCREEN_WIDTH;
+ break;
+
+ case GDISP_ROTATE_270:
+ acquire_bus(g);
+
+ write_index(g, 0x36);
+ write_data(g, 0xA8);
+
+ release_bus(g);
+ g->g.Height = GDISP_SCREEN_WIDTH;
+ g->g.Width = GDISP_SCREEN_HEIGHT;
+ break;
+
+ default:
+ return;
+ }
+
+ g->g.Orientation = (orientation_t)g->p.ptr;
+ return;
+
+ default:
+ return;
+ }
+ }
+#endif
+
+#endif /* GFX_USE_GDISP */
diff --git a/drivers/gdisp/KS0108/gdisp_lld_config.h b/drivers/gdisp/KS0108/gdisp_lld_config.h
new file mode 100644
index 00000000..a153e224
--- /dev/null
+++ b/drivers/gdisp/KS0108/gdisp_lld_config.h
@@ -0,0 +1,18 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ * http://ugfx.org/license.html
+ */
+
+#ifndef _GDISP_LLD_CONFIG_H
+#define _GDISP_LLD_CONFIG_H
+
+/*===========================================================================*/
+/* Driver hardware support. */
+/*===========================================================================*/
+
+#define GDISP_HARDWARE_DRAWPIXEL TRUE
+#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_MONO
+
+#endif /* _GDISP_LLD_CONFIG_H */