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Driver ILI9481 ported to streaming driver

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This commit is contained in:
inmarket 2013-09-30 17:31:58 +10:00
parent 7d95523946
commit 9413f04672
5 changed files with 133 additions and 386 deletions
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459
drivers/gdisp/ILI9481/gdisp_lld.c
View file

@ -9,21 +9,11 @@
* @file drivers/gdisp/ILI9481/gdisp_lld.c
* @brief GDISP Graphics Driver subsystem low level driver source for
* the ILI9481 and compatible HVGA display
*
* @addtogroup GDISP
* @{
*/
#include "gfx.h"
#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/
/* Include the emulation code for things we don't support */
#include "gdisp/lld/emulation.c"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#if GFX_USE_GDISP
#if defined(GDISP_SCREEN_HEIGHT)
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
@ -34,55 +24,40 @@
#undef GDISP_SCREEN_WIDTH
#endif
#define GDISP_SCREEN_HEIGHT 480
#define GDISP_SCREEN_WIDTH 320
#define GDISP_LLD_DECLARATIONS
#include "gdisp/lld/gdisp_lld.h"
#include "gdisp_lld_board.h"
#define GDISP_INITIAL_CONTRAST 50
#define GDISP_INITIAL_BACKLIGHT 100
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#ifndef GDISP_SCREEN_HEIGHT
#define GDISP_SCREEN_HEIGHT 480
#endif
#ifndef GDISP_SCREEN_WIDTH
#define GDISP_SCREEN_WIDTH 320
#endif
#ifndef GDISP_INITIAL_CONTRAST
#define GDISP_INITIAL_CONTRAST 50
#endif
#ifndef GDISP_INITIAL_BACKLIGHT
#define GDISP_INITIAL_BACKLIGHT 100
#endif
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
#include "gdisp_lld_board.h"
// Some common routines and macros
#define write_reg(reg, data) { write_index(reg); write_data(data); }
#define stream_start() write_index(0x2C);
#define stream_stop()
#define delay(us) gfxSleepMicroseconds(us)
#define delayms(ms) gfxSleepMilliseconds(ms)
#define dummy_read() { volatile uint16_t dummy; dummy = read_data(); (void) dummy; }
#define write_reg(reg, data) { write_index(reg); write_data(data); }
#define write_reg2x16(reg, data1, data2) { write_index(reg); write_data((data1)>>8); write_data((uint8_t)(data1)); write_data((data2)>>8); write_data((uint8_t)(data2));}
static inline void set_cursor(coord_t x, coord_t y) {
write_index(0x2A);
write_data((x >> 8));
write_data((uint8_t) x);
write_data((x) >> 8);
write_data((uint8_t) (x));
write_index(0x2B);
write_data((y >> 8));
write_data((uint8_t) y);
write_data((y) >> 8);
write_data((uint8_t) (y));
}
static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) {
write_index(0x2A);
write_data((x >> 8));
write_data((uint8_t) x);
write_data((x + cx - 1) >> 8);
write_data((uint8_t) (x + cx - 1));
write_index(0x2B);
write_data((y >> 8));
write_data((uint8_t) y);
write_data((y + cy - 1) >> 8);
write_data((uint8_t) (y + cy - 1));
}
static inline void reset_viewport(void) {
set_viewport(0, 0, GDISP.Width, GDISP.Height);
static void set_viewport(GDISPDriver* g) {
write_reg2x16(0x2A, g->p.x, g->p.x + g->p.cx - 1);
write_reg2x16(0x2B, g->p.y, g->p.y + g->p.cy - 1);
write_index(0x2C);
}
/*===========================================================================*/
@ -93,33 +68,21 @@ static inline void reset_viewport(void) {
/* Driver exported functions. */
/*===========================================================================*/
/* ---- Required Routines ---- */
/*
The following 2 routines are required.
All other routines are optional.
*/
/**
* @brief Low level GDISP driver initialization.
*
* @notapi
*/
bool_t gdisp_lld_init(void) {
LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) {
/* Initialise your display */
init_board();
/* Hardware reset */
setpin_reset(TRUE);
delayms(20);
gfxSleepMilliseconds(20);
setpin_reset(FALSE);
delayms(20);
gfxSleepMilliseconds(20);
/* Get the bus for the following initialisation commands */
acquire_bus();
/* Enable Access to all Manufacturer commands (0xB0 and higher opcodes) */
write_index(0xB0);
write_data(0x00);
write_reg(0xB0, 0x00);
/* Frame Memory Access and Interface Setting */
write_index(0xB3);
@ -131,8 +94,7 @@ bool_t gdisp_lld_init(void) {
/* Display Mode and Frame Memory Write Mode Setting (B4h) */
/* Use internal clock for synchronization */
/* Use DBI interface (only DB0-17, no HSYNC, VSYNC or CLK) */
write_index(0xB4);
write_data(0x00);
write_reg(0xB4, 0x00);
/* Internal Backlight Control */
/* write_index(0xB9); /*PWM Settings for Brightness Control */
@ -167,8 +129,7 @@ bool_t gdisp_lld_init(void) {
write_data(0x01);
/* Interface Setting */
write_index(0xC6);
write_data(0x02);
write_reg(0xC6, 0x02);
/* Gamma Setting - should be changed if using a different panel */
write_index(0xC8);
@ -184,13 +145,11 @@ bool_t gdisp_lld_init(void) {
write_data(0x60); /*0x23 */
/* Address Mode setting */
write_index(0x36);
write_data(0x00);
write_reg(0x36, 0x00);
/* Set Pixel Format = 16 bits per pixel */
/* The driver supports upto 24 bits per pixel, with dither */
write_index(0x3A);
write_data(0x55);
write_reg(0x3A, 0x55);
/* Exit Idle Mode */
write_index(0x38);
@ -216,11 +175,11 @@ bool_t gdisp_lld_init(void) {
/* Exit Sleep Mode */
write_index(0x11);
delay(150);
gfxSleepMilliseconds(150);
/* Display ON */
write_index(0x29);
delay(30);
gfxSleepMilliseconds(30);
/* Release the bus */
release_bus();
@ -228,297 +187,62 @@ bool_t gdisp_lld_init(void) {
/* Turn on the back-light */
set_backlight(GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */
GDISP.Width = GDISP_SCREEN_WIDTH;
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Orientation = GDISP_ROTATE_0;
GDISP.Powermode = powerOn;
GDISP.Backlight = GDISP_INITIAL_BACKLIGHT;
GDISP.Contrast = GDISP_INITIAL_CONTRAST;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#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;
}
/**
* @brief Draws a pixel on the display.
*
* @param[in] x X location of the pixel
* @param[in] y Y location of the pixel
* @param[in] color The color of the pixel
*
* @notapi
*/
void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
#endif
acquire_bus();
set_cursor(x, y);
write_reg(0x002c, color);
release_bus();
}
/* ---- Optional Routines ---- */
/*
All the below routines are optional.
Defining them will increase speed but everything
will work if they are not defined.
If you are not using a routine - turn it off using
the appropriate GDISP_HARDWARE_XXXX macro.
Don't bother coding for obvious similar routines if
there is no performance penalty as the emulation software
makes a good job of using similar routines.
eg. If gfillarea() is defined there is little
point in defining clear() unless the
performance bonus is significant.
For good performance it is suggested to implement
fillarea() and blitarea().
*/
#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__)
/**
* @brief Clear the display.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] color The color of the pixel
*
* @notapi
*/
void gdisp_lld_clear(color_t color) {
unsigned i;
#if GDISP_HARDWARE_STREAM_WRITE
LLDSPEC void gdisp_lld_write_start(GDISPDriver *g) {
acquire_bus();
reset_viewport();
stream_start();
for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++)
write_data(color);
stream_stop();
set_viewport(g);
}
LLDSPEC void gdisp_lld_write_color(GDISPDriver *g) {
write_data(g->p.color);
}
LLDSPEC void gdisp_lld_write_stop(GDISPDriver *g) {
release_bus();
}
#endif
#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
/**
* @brief Fill an area with a color.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] color The color of the fill
*
* @notapi
*/
void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
unsigned i, area;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
area = cx*cy;
#if GDISP_HARDWARE_STREAM_READ
LLDSPEC void gdisp_lld_read_start(GDISPDriver *g) {
acquire_bus();
set_viewport(x, y, cx, cy);
stream_start();
for(i = 0; i < area; i++)
write_data(color);
stream_stop();
set_viewport(g);
setreadmode();
dummy_read();
}
LLDSPEC color_t gdisp_lld_read_color(GDISPDriver *g) {
return read_data();
}
LLDSPEC void gdisp_lld_read_stop(GDISPDriver *g) {
setwritemode();
release_bus();
}
#endif
#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
/**
* @brief Fill an area with a bitmap.
* @note Optional - The high level driver can emulate using software.
*
* @param[in] x, y The start filled area
* @param[in] cx, cy The width and height to be filled
* @param[in] srcx, srcy The bitmap position to start the fill from
* @param[in] srccx The width of a line in the bitmap.
* @param[in] buffer The pixels to use to fill the area.
*
* @notapi
*/
void gdisp_lld_blit_area_ex(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) {
coord_t endx, endy;
unsigned lg;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; }
if (srcx+cx > srccx) cx = srccx - srcx;
if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
acquire_bus();
set_viewport(x, y, cx, cy);
stream_start();
endx = srcx + cx;
endy = y + cy;
lg = srccx - cx;
buffer += srcx + srcy * srccx;
for(; y < endy; y++, buffer += lg)
for(x=srcx; x < endx; x++)
write_data(*buffer++);
stream_stop();
release_bus();
}
#endif
#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__)
/**
* @brief Get the color of a particular pixel.
* @note Optional.
* @note If x,y is off the screen, the result is undefined.
*
* @param[in] x, y The pixel to be read
*
* @notapi
*/
color_t gdisp_lld_get_pixel_color(coord_t x, coord_t y) {
color_t color;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0;
#endif
acquire_bus();
set_cursor(x, y);
stream_start();
color = read_data(); // dummy read
color = read_data();
stream_stop();
release_bus();
return color;
}
#endif
#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)
/**
* @brief Scroll vertically a section of the screen.
* @note Optional.
* @note If x,y + cx,cy is off the screen, the result is undefined.
* @note If lines is >= cy, it is equivelent to a area fill with bgcolor.
*
* @param[in] x, y The start of the area to be scrolled
* @param[in] cx, cy The size of the area to be scrolled
* @param[in] lines The number of lines to scroll (Can be positive or negative)
* @param[in] bgcolor The color to fill the newly exposed area.
*
* @notapi
*/
void gdisp_lld_vertical_scroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) {
static color_t buf[((GDISP_SCREEN_HEIGHT > GDISP_SCREEN_WIDTH ) ? GDISP_SCREEN_HEIGHT : GDISP_SCREEN_WIDTH)];
coord_t row0, row1;
unsigned i, gap, abslines, j;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x;
if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y;
#endif
abslines = lines < 0 ? -lines : lines;
acquire_bus();
if ((coord_t)abslines >= cy) {
abslines = cy;
gap = 0;
} else {
gap = cy - abslines;
for(i = 0; i < gap; i++) {
if(lines > 0) {
row0 = y + i + lines;
row1 = y + i;
} else {
row0 = (y - i - 1) + lines;
row1 = (y - i - 1);
}
/* read row0 into the buffer and then write at row1*/
set_viewport(x, row0, cx, 1);
stream_start();
j = read_data(); // dummy read
for (j = 0; (coord_t)j < cx; j++)
buf[j] = read_data();
stream_stop();
set_viewport(x, row1, cx, 1);
stream_start();
for (j = 0; (coord_t)j < cx; j++)
write_data(buf[j]);
stream_stop();
}
}
/* fill the remaining gap */
set_viewport(x, lines > 0 ? (y+(coord_t)gap) : y, cx, abslines);
stream_start();
gap = cx*abslines;
for(i = 0; i < gap; i++) write_data(bgcolor);
stream_stop();
release_bus();
}
#endif
#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
/**
* @brief Driver Control
* @details Unsupported control codes are ignored.
* @note The value parameter should always be typecast to (void *).
* @note There are some predefined and some specific to the low level driver.
* @note GDISP_CONTROL_POWER - Takes a gdisp_powermode_t
* GDISP_CONTROL_ORIENTATION - Takes a gdisp_orientation_t
* GDISP_CONTROL_BACKLIGHT - Takes an int from 0 to 100. For a driver
* that only supports off/on anything other
* than zero is on.
* GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100.
* GDISP_CONTROL_LLD - Low level driver control constants start at
* this value.
*
* @param[in] what What to do.
* @param[in] value The value to use (always cast to a void *).
*
* @notapi
*/
void gdisp_lld_control(unsigned what, void *value) {
switch(what) {
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
LLDSPEC void gdisp_lld_control(GDISPDriver *g) {
switch(g->p.x) {
case GDISP_CONTROL_POWER:
if (GDISP.Powermode == (gdisp_powermode_t)value)
if (g->g.Powermode == (powermode_t)g->p.ptr)
return;
switch((gdisp_powermode_t)value) {
switch((powermode_t)g->p.ptr) {
case powerOff:
acquire_bus();
write_reg(0x0010, 0x0001); /* enter sleep mode */
release_bus();
acquire_bus();
write_reg(0x0010, 0x0001); /* enter sleep mode */
release_bus();
break;
case powerOn:
acquire_bus();
write_reg(0x0010, 0x0000); /* leave sleep mode */
release_bus();
if (GDISP.Powermode != powerSleep)
if (g->g.Powermode != powerSleep)
gdisp_lld_init();
break;
case powerSleep:
@ -529,12 +253,13 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
default:
return;
}
GDISP.Powermode = (gdisp_powermode_t)value;
g->g.Powermode = (powermode_t)g->p.ptr;
return;
case GDISP_CONTROL_ORIENTATION:
if (GDISP.Orientation == (gdisp_orientation_t)value)
if (g->g.Orientation == (orientation_t)g->p.ptr)
return;
switch((gdisp_orientation_t)value) {
switch((orientation_t)g->p.ptr) {
case GDISP_ROTATE_0:
acquire_bus();
@ -542,8 +267,8 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
write_reg(0x36, 0x00); /* X and Y axes non-inverted */
release_bus();
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
acquire_bus();
@ -552,8 +277,8 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
write_reg(0x36, 0x20); /* Invert X and Y axes */
release_bus();
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
acquire_bus();
@ -562,8 +287,8 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
write_reg(0x36, 0x00); /* X and Y axes non-inverted */
release_bus();
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
acquire_bus();
@ -572,24 +297,18 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) {
write_reg(0x36, 0x20); /* Invert X and Y axes */
release_bus();
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
default:
return;
}
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
GDISP.Orientation = (gdisp_orientation_t)value;
g->g.Orientation = (orientation_t)value;
return;
/*
case GDISP_CONTROL_BACKLIGHT:
case GDISP_CONTROL_CONTRAST:
*/
//case GDISP_CONTROL_BACKLIGHT:
//case GDISP_CONTROL_CONTRAST:
default:
return;
}
}
#endif

29
drivers/gdisp/ILI9481/gdisp_lld_board_firebullstm32f103.h
View file

@ -113,7 +113,26 @@ static inline void write_data(uint16_t data) {
CLR_WR; SET_WR;
}
#if GDISP_HARDWARE_READPIXEL || GDISP_HARDWARE_SCROLL || defined(__DOXYGEN__)
/**
* @brief Set the bus in read mode
*
* @notapi
*/
static inline void setreadmode(void) {
// change pin mode to digital input
palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_INPUT);
}
/**
* @brief Set the bus back into write mode
*
* @notapi
*/
static inline void setwritemode(void) {
// change pin mode back to digital output
palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
}
/**
* @brief Read data from the lcd.
*
@ -126,20 +145,12 @@ static inline void write_data(uint16_t data) {
static inline uint16_t read_data(void) {
uint16_t value;
// change pin mode to digital input
palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_INPUT);
CLR_RD;
value = palReadPort(GPIOE);
value = palReadPort(GPIOE);
SET_RD;
// change pin mode back to digital output
palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
return value;
}
#endif
#endif /* _GDISP_LLD_BOARD_H */
/** @} */

20
drivers/gdisp/ILI9481/gdisp_lld_board_template.h
View file

@ -88,7 +88,24 @@ static inline void write_data(uint16_t data) {
}
#if GDISP_HARDWARE_READPIXEL || GDISP_HARDWARE_SCROLL || defined(__DOXYGEN__)
/**
* @brief Set the bus in read mode
*
* @notapi
*/
static inline void setreadmode(void) {
}
/**
* @brief Set the bus back into write mode
*
* @notapi
*/
static inline void setwritemode(void) {
}
/**
* @brief Read data from the lcd.
*
@ -101,7 +118,6 @@ static inline void write_data(uint16_t data) {
static inline uint16_t read_data(void) {
}
#endif
#endif /* _GDISP_LLD_BOARD_H */
/** @} */

8
drivers/gdisp/ILI9481/gdisp_lld_config.h
View file

@ -24,12 +24,10 @@
/*===========================================================================*/
#define GDISP_DRIVER_NAME "ILI9481"
#define GDISP_DRIVER_STRUCT GDISP_ILI9481
#define GDISP_HARDWARE_CLEARS TRUE
#define GDISP_HARDWARE_FILLS TRUE
#define GDISP_HARDWARE_BITFILLS TRUE
#define GDISP_HARDWARE_SCROLL TRUE
#define GDISP_HARDWARE_PIXELREAD TRUE
#define GDISP_HARDWARE_STREAM_WRITE TRUE
#define GDISP_HARDWARE_STREAM_READ TRUE
#define GDISP_HARDWARE_CONTROL TRUE
#define GDISP_PIXELFORMAT GDISP_PIXELFORMAT_RGB565

3
drivers/gdisp/SSD1289/gdisp_lld.c
View file

@ -257,6 +257,7 @@ LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) {
}
g->g.Powermode = (powermode_t)g->p.ptr;
return;
case GDISP_CONTROL_ORIENTATION:
if (g->g.Orientation == (orientation_t)g->p.ptr)
return;
@ -298,12 +299,14 @@ LLDSPEC bool_t gdisp_lld_init(GDISPDriver *g) {
}
g->g.Orientation = (orientation_t)value;
return;
case GDISP_CONTROL_BACKLIGHT:
if ((unsigned)g->p.ptr > 100)
g->p.ptr = (void *)100;
set_backlight((unsigned)g->p.ptr);
g->g.Backlight = (unsigned)g->p.ptr;
return;
//case GDISP_CONTROL_CONTRAST:
default:
return;