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Merge remote-tracking branch 'origin/master' into vnc

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This commit is contained in:
Gregory Nutt 2016-04-14 12:24:48 -06:00
commit c6707e3dc1
13 changed files with 222 additions and 90 deletions
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5
ChangeLog
View File

@ -9309,7 +9309,7 @@
adds support for initializing of the ltdc controller and the lcd adds support for initializing of the ltdc controller and the lcd
device connected on the stm32f429i-disco. The following methods are device connected on the stm32f429i-disco. The following methods are
provided for the generic fb interface: up_fbinitialize, provided for the generic fb interface: up_fbinitialize,
up_fbgetvplane, and fb_uninitialize. The following methods are up_fbgetvplane, and up_fbuninitialize. The following methods are
provided for the ltdc interface: up_ltdcgetlayer. From Marco Krahl provided for the ltdc interface: up_ltdcgetlayer. From Marco Krahl
(2014-12-19). (2014-12-19).
* zrch/arm/src/stm32/Kconfig: Add configuration option for ltdc. This * zrch/arm/src/stm32/Kconfig: Add configuration option for ltdc. This
@ -11647,3 +11647,6 @@
output and the low-level psock interfaces for network I/O. This output and the low-level psock interfaces for network I/O. This
saves a little memory which might be important for small footprint saves a little memory which might be important for small footprint
configurations (2015-04-14). configurations (2015-04-14).
* Framebuffer driver: Add a display number to each interface in order
to support multiple display devices (2015-04-14).

28
arch/arm/src/dm320/dm320_framebuffer.c
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@ -1,7 +1,7 @@
/**************************************************************************** /****************************************************************************
* arch/arm/src/dm320/dm320_framebuffer.c * arch/arm/src/dm320/dm320_framebuffer.c
* *
* Copyright (C) 2008-2009, 2013 Gregory Nutt. All rights reserved. * Copyright (C) 2008-2009, 2013, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org> * Author: Gregory Nutt <gnutt@nuttx.org>
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -1361,11 +1361,19 @@ static int dm320_setcursor(FAR struct fb_vtable_s *vtable, FAR struct fb_setcurs
* Name: up_fbinitialize * Name: up_fbinitialize
* *
* Description: * Description:
* Initialize the video hardware * Initialize the framebuffer video hardware associated with the display.
*
* Input parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
* *
****************************************************************************/ ****************************************************************************/
int up_fbinitialize(void) int up_fbinitialize(int display)
{ {
int ret; int ret;
@ -1388,17 +1396,21 @@ int up_fbinitialize(void)
* Name: up_fbgetvplane * Name: up_fbgetvplane
* *
* Description: * Description:
* Return a a reference to the framebuffer object for the specified video plane. * Return a a reference to the framebuffer object for the specified video
* plane of the specified plane. Many OSDs support multiple planes of video.
* *
* Input parameters: * Input parameters:
* None * display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
* vplane - Identifies the plane being queried.
* *
* Returned value: * Returned Value:
* Reference to the framebuffer object (NULL on failure) * A non-NULL pointer to the frame buffer access structure is returned on
* success; NULL is returned on any failure.
* *
****************************************************************************/ ****************************************************************************/
FAR struct fb_vtable_s *up_fbgetvplane(int vplane) FAR struct fb_vtable_s *up_fbgetvplane(int display, int vplane)
{ {
switch (vplane) switch (vplane)
{ {

42
arch/arm/src/lpc17xx/lpc17_lcd.c
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@ -1,7 +1,7 @@
/**************************************************************************** /****************************************************************************
* arch/arm/src//lpc17xx/lpc17_lcd.c * arch/arm/src//lpc17xx/lpc17_lcd.c
* *
* Copyright (C) 2013 Gregory Nutt. All rights reserved. * Copyright (C) 2013, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org> * Author: Gregory Nutt <gnutt@nuttx.org>
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -455,11 +455,19 @@ static int lpc17_setcursor(FAR struct fb_vtable_s *vtable,
* Name: up_fbinitialize * Name: up_fbinitialize
* *
* Description: * Description:
* Initialize the framebuffer video hardware * Initialize the framebuffer video hardware associated with the display.
*
* Input parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
* *
****************************************************************************/ ****************************************************************************/
int up_fbinitialize(void) int up_fbinitialize(int display)
{ {
uint32_t regval; uint32_t regval;
int i; int i;
@ -699,21 +707,24 @@ int up_fbinitialize(void)
} }
/**************************************************************************** /****************************************************************************
* Name: lpc17_fbgetvplane * Name: up_fbgetvplane
* *
* Description: * Description:
* Return a a reference to the framebuffer object for the specified video * Return a a reference to the framebuffer object for the specified video
* plane. * plane of the specified plane. Many OSDs support multiple planes of video.
* *
* Input parameters: * Input parameters:
* None * display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
* vplane - Identifies the plane being queried.
* *
* Returned value: * Returned Value:
* Reference to the framebuffer object (NULL on failure) * A non-NULL pointer to the frame buffer access structure is returned on
* success; NULL is returned on any failure.
* *
****************************************************************************/ ****************************************************************************/
FAR struct fb_vtable_s *up_fbgetvplane(int vplane) FAR struct fb_vtable_s *up_fbgetvplane(int display, int vplane)
{ {
gvdbg("vplane: %d\n", vplane); gvdbg("vplane: %d\n", vplane);
if (vplane == 0) if (vplane == 0)
@ -727,14 +738,21 @@ FAR struct fb_vtable_s *up_fbgetvplane(int vplane)
} }
/**************************************************************************** /****************************************************************************
* Name: fb_uninitialize * Name: up_fbuninitialize
* *
* Description: * Description:
* Unitialize the framebuffer support * Uninitialize the framebuffer support for the specified display.
*
* Input Parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* None
* *
****************************************************************************/ ****************************************************************************/
void fb_uninitialize(void) void up_fbuninitialize(int display)
{ {
uint32_t regval; uint32_t regval;
int i; int i;

45
arch/arm/src/sama5/sam_lcd.c
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@ -1,7 +1,7 @@
/**************************************************************************** /****************************************************************************
* arch/arm/src/sama5/sam_lcd.c * arch/arm/src/sama5/sam_lcd.c
* *
* Copyright (C) 2013-2014 Gregory Nutt. All rights reserved. * Copyright (C) 2013-2014, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org> * Author: Gregory Nutt <gnutt@nuttx.org>
* *
* References: * References:
@ -2893,14 +2893,22 @@ static void sam_show_hcr(void)
****************************************************************************/ ****************************************************************************/
/**************************************************************************** /****************************************************************************
* Name: sam_fbinitialize * Name: up_fbinitialize
* *
* Description: * Description:
* Initialize the framebuffer video hardware * Initialize the framebuffer video hardware associated with the display.
*
* Input parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
* *
****************************************************************************/ ****************************************************************************/
int up_fbinitialize(void) int up_fbinitialize(int display)
{ {
#if defined(CONFIG_SAMA5_LCDC_OVR1) && defined(CONFIG_SAMA5_LCDC_HEO) #if defined(CONFIG_SAMA5_LCDC_OVR1) && defined(CONFIG_SAMA5_LCDC_HEO)
uint32_t regval; uint32_t regval;
@ -2984,21 +2992,24 @@ int up_fbinitialize(void)
} }
/**************************************************************************** /****************************************************************************
* Name: sam_fbgetvplane * Name: up_fbgetvplane
* *
* Description: * Description:
* Return a a reference to the framebuffer object for the specified video * Return a a reference to the framebuffer object for the specified video
* plane. * plane of the specified plane. Many OSDs support multiple planes of video.
* *
* Input parameters: * Input parameters:
* None * display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
* vplane - Identifies the plane being queried.
* *
* Returned value: * Returned Value:
* Reference to the framebuffer object (NULL on failure) * A non-NULL pointer to the frame buffer access structure is returned on
* success; NULL is returned on any failure.
* *
****************************************************************************/ ****************************************************************************/
struct fb_vtable_s *up_fbgetvplane(int vplane) FAR struct fb_vtable_s *up_fbgetvplane(int display, int vplane)
{ {
gvdbg("vplane: %d\n", vplane); gvdbg("vplane: %d\n", vplane);
if (vplane == 0) if (vplane == 0)
@ -3012,15 +3023,21 @@ struct fb_vtable_s *up_fbgetvplane(int vplane)
} }
/**************************************************************************** /****************************************************************************
* Name: fb_uninitialize * Name: up_fbuninitialize
* *
* Description: * Description:
* Uninitialize the framebuffer driver. Bad things will happen if you * Uninitialize the framebuffer support for the specified display.
* call this without first calling fb_initialize()! *
* Input Parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* None
* *
****************************************************************************/ ****************************************************************************/
void fb_uninitialize(void) void up_fbuninitialize(int display)
{ {
/* Disable the LCD controller */ /* Disable the LCD controller */

2
arch/arm/src/stm32/stm32_ltdc.c
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@ -3533,7 +3533,7 @@ struct fb_vtable_s *stm32_ltdcgetvplane(int vplane)
} }
/**************************************************************************** /****************************************************************************
* Name: fb_uninitialize * Name: stm32_ltdcuninitialize
* *
* Description: * Description:
* Uninitialize the framebuffer driver. Bad things will happen if you * Uninitialize the framebuffer driver. Bad things will happen if you

41
arch/sim/src/up_framebuffer.c
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@ -344,11 +344,19 @@ static int up_setcursor(FAR struct fb_vtable_s *vtable,
* Name: up_fbinitialize * Name: up_fbinitialize
* *
* Description: * Description:
* Initialize the video hardware * Initialize the framebuffer video hardware associated with the display.
*
* Input parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
* *
****************************************************************************/ ****************************************************************************/
int up_fbinitialize(void) int up_fbinitialize(int display)
{ {
#ifdef CONFIG_SIM_X11FB #ifdef CONFIG_SIM_X11FB
return up_x11initialize(CONFIG_SIM_FBWIDTH, CONFIG_SIM_FBHEIGHT, return up_x11initialize(CONFIG_SIM_FBWIDTH, CONFIG_SIM_FBHEIGHT,
@ -363,17 +371,21 @@ int up_fbinitialize(void)
* Name: up_fbgetvplane * Name: up_fbgetvplane
* *
* Description: * Description:
* Return a a reference to the framebuffer object for the specified video plane. * Return a a reference to the framebuffer object for the specified video
* plane of the specified plane. Many OSDs support multiple planes of video.
* *
* Input parameters: * Input parameters:
* None * display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
* vplane - Identifies the plane being queried.
* *
* Returned value: * Returned Value:
* Reference to the framebuffer object (NULL on failure) * A non-NULL pointer to the frame buffer access structure is returned on
* success; NULL is returned on any failure.
* *
****************************************************************************/ ****************************************************************************/
FAR struct fb_vtable_s *up_fbgetvplane(int vplane) FAR struct fb_vtable_s *up_fbgetvplane(int display, int vplane)
{ {
if (vplane == 0) if (vplane == 0)
{ {
@ -386,10 +398,21 @@ FAR struct fb_vtable_s *up_fbgetvplane(int vplane)
} }
/**************************************************************************** /****************************************************************************
* Name: up_fbteardown * Name: up_fbuninitialize
*
* Description:
* Uninitialize the framebuffer support for the specified display.
*
* Input Parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* None
*
****************************************************************************/ ****************************************************************************/
void fb_uninitialize(void) void up_fbuninitialize(int display)
{ {
} }

4
configs/sama5d3x-ek/src/sam_ov2640.c
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@ -85,14 +85,14 @@ static inline FAR struct fb_vtable_s *ov2640_lcd_initialize(void)
/* Initialize the frame buffer device */ /* Initialize the frame buffer device */
ret = up_fbinitialize(); ret = up_fbinitialize(0);
if (ret < 0) if (ret < 0)
{ {
gdbg("ERROR: up_fbinitialize failed: %d\n", -ret); gdbg("ERROR: up_fbinitialize failed: %d\n", -ret);
return NULL; return NULL;
} }
vplane = up_fbgetvplane(0); vplane = up_fbgetvplane(0, 0);
if (!vplane) if (!vplane)
{ {
gdbg("ERROR: up_fbgetvplane failed\n"); gdbg("ERROR: up_fbgetvplane failed\n");

4
configs/sim/README.txt
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@ -677,8 +677,8 @@ nx11
the simulation is built and can only be eliminated by calling the simulation is built and can only be eliminated by calling
up_simtouchscreen(0) from your application. up_simtouchscreen(0) from your application.
b. You must first up_fbinitialize() before calling up_simtouchscreen() b. You must first call up_fbinitialize(0) before calling
or you will get a crash. up_simtouchscreen() or you will get a crash.
c. Call sim_tcunininitializee() when you are finished with the c. Call sim_tcunininitializee() when you are finished with the
simulated touchscreen. simulated touchscreen.

8
configs/sim/src/sim_touchscreen.c
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@ -1,7 +1,7 @@
/**************************************************************************** /****************************************************************************
* config/sim/src/sim_touchscreen.c * config/sim/src/sim_touchscreen.c
* *
* Copyright (C) 2011 Gregory Nutt. All rights reserved. * Copyright (C) 2011, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org> * Author: Gregory Nutt <gnutt@nuttx.org>
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -104,14 +104,14 @@ int board_tsc_setup(int minor)
*/ */
ivdbg("Initializing framebuffer\n"); ivdbg("Initializing framebuffer\n");
ret = up_fbinitialize(); ret = up_fbinitialize(0);
if (ret < 0) if (ret < 0)
{ {
idbg("up_fbinitialize failed: %d\n", -ret); idbg("up_fbinitialize failed: %d\n", -ret);
goto errout; goto errout;
} }
dev = up_fbgetvplane(0); dev = up_fbgetvplane(0, 0);
if (!dev) if (!dev)
{ {
idbg("up_fbgetvplane 0 failed\n"); idbg("up_fbgetvplane 0 failed\n");
@ -156,7 +156,7 @@ errout_with_nx:
nx_close(g_simtc.hnx); nx_close(g_simtc.hnx);
goto errout; goto errout;
errout_with_fb: errout_with_fb:
fb_uninitialize(); up_fbuninitialize(0);
errout: errout:
return ret; return ret;
} }

4
configs/stm32f429i-disco/src/stm32_boot.c
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@ -1,7 +1,7 @@
/************************************************************************************ /************************************************************************************
* configs/stm32f429i-disco/src/stm32_boot.c * configs/stm32f429i-disco/src/stm32_boot.c
* *
* Copyright (C) 2011-2012, 2015 Gregory Nutt. All rights reserved. * Copyright (C) 2011-2012, 2015-2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org> * Author: Gregory Nutt <gnutt@nuttx.org>
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -134,7 +134,7 @@ void board_initialize(void)
#ifdef CONFIG_STM32F429I_DISCO_ILI9341_FBIFACE #ifdef CONFIG_STM32F429I_DISCO_ILI9341_FBIFACE
/* Initialize the framebuffer driver */ /* Initialize the framebuffer driver */
up_fbinitialize(); up_fbinitialize(0);
#endif #endif
#ifdef CONFIG_STM32F429I_DISCO_ILI9341_LCDIFACE #ifdef CONFIG_STM32F429I_DISCO_ILI9341_LCDIFACE

54
configs/stm32f429i-disco/src/stm32_lcd.c
View File

@ -512,18 +512,23 @@ int board_lcd_initialize(void)
#endif /* CONFIG_STM32F429I_DISCO_ILI9341_LCDIFACE */ #endif /* CONFIG_STM32F429I_DISCO_ILI9341_LCDIFACE */
#ifdef CONFIG_STM32_LTDC #ifdef CONFIG_STM32_LTDC
/************************************************************************************ /****************************************************************************
* Name: up_fbinitialize * Name: up_fbinitialize
* *
* Description: * Description:
* The generic method to initialize the framebuffer device * Initialize the framebuffer video hardware associated with the display.
* *
* Return: * Input parameters:
* OK - On succes * display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
* *
************************************************************************************/ * Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
*
****************************************************************************/
int up_fbinitialize(void) int up_fbinitialize(int display)
{ {
#ifdef CONFIG_STM32F429I_DISCO_ILI9341_FBIFACE #ifdef CONFIG_STM32F429I_DISCO_ILI9341_FBIFACE
int ret; int ret;
@ -546,34 +551,45 @@ int up_fbinitialize(void)
#endif #endif
} }
/************************************************************************************ /****************************************************************************
* Name: up_fbgetvplane * Name: up_fbgetvplane
* *
* Description: * Description:
* The generic method to get the videoplane. * Return a a reference to the framebuffer object for the specified video
* plane of the specified plane. Many OSDs support multiple planes of video.
* *
* Paramater: * Input parameters:
* vplane - Number othe video plane * display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
* vplane - Identifies the plane being queried.
* *
* Return: * Returned Value:
* Reference to the fb_vtable_s on success otherwise NULL. * A non-NULL pointer to the frame buffer access structure is returned on
* success; NULL is returned on any failure.
* *
************************************************************************************/ ****************************************************************************/
FAR struct fb_vtable_s *up_fbgetvplane(int vplane) FAR struct fb_vtable_s *up_fbgetvplane(int display, int vplane)
{ {
return stm32_ltdcgetvplane(vplane); return stm32_ltdcgetvplane(vplane);
} }
/************************************************************************************ /****************************************************************************
* Name: up_uninitialize * Name: up_fbuninitialize
* *
* Description: * Description:
* The generic method to uninitialize the framebuffer device * Uninitialize the framebuffer support for the specified display.
* *
************************************************************************************/ * Input Parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* None
*
****************************************************************************/
void fb_uninitialize(void) void up_fbuninitialize(int display)
{ {
stm32_ltdcuninitialize(); stm32_ltdcuninitialize();
} }

10
graphics/nxmu/nx_start.c
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@ -1,7 +1,7 @@
/**************************************************************************** /****************************************************************************
* graphics/nxmu/nx_start.c * graphics/nxmu/nx_start.c
* *
* Copyright (C) 2013 Gregory Nutt. All rights reserved. * Copyright (C) 2013, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org> * Author: Gregory Nutt <gnutt@nuttx.org>
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -128,16 +128,18 @@ int nx_server(int argc, char *argv[])
(void)dev->setpower(dev, ((3*CONFIG_LCD_MAXPOWER + 3)/4)); (void)dev->setpower(dev, ((3*CONFIG_LCD_MAXPOWER + 3)/4));
#else /* CONFIG_NX_LCDDRIVER */ #else /* CONFIG_NX_LCDDRIVER */
/* Initialize the frame buffer device */ /* Initialize the frame buffer device.
* REVISIT: display == 0 is assumed.
*/
ret = up_fbinitialize(); ret = up_fbinitialize(0);
if (ret < 0) if (ret < 0)
{ {
gdbg("ERROR: up_fbinitialize failed: %d\n", ret); gdbg("ERROR: up_fbinitialize failed: %d\n", ret);
return EXIT_FAILURE; return EXIT_FAILURE;
} }
dev = up_fbgetvplane(CONFIG_NXSTART_VPLANE); dev = up_fbgetvplane(0, CONFIG_NXSTART_VPLANE);
if (!dev) if (!dev)
{ {
gdbg("ERROR: up_fbgetvplane failed, vplane=%d\n", CONFIG_NXSTART_VPLANE); gdbg("ERROR: up_fbgetvplane failed, vplane=%d\n", CONFIG_NXSTART_VPLANE);

65
include/nuttx/video/fb.h
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@ -1,7 +1,7 @@
/**************************************************************************** /****************************************************************************
* include/nuttx/video/fb.h * include/nuttx/video/fb.h
* *
* Copyright (C) 2008-2011, 2013 Gregory Nutt. All rights reserved. * Copyright (C) 2008-2011, 2013, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org> * Author: Gregory Nutt <gnutt@nuttx.org>
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
@ -360,23 +360,64 @@ extern "C"
****************************************************************************/ ****************************************************************************/
/**************************************************************************** /****************************************************************************
* Name: up_fbinitialize, up_fbuninitialize, up_fbgetvplane * If an architecture supports a framebuffer, then it must provide the
* following APIs to access the framebuffer.
****************************************************************************/
/****************************************************************************
* Name: up_fbinitialize
* *
* Description: * Description:
* If an architecture supports a framebuffer, then it must provide APIs * Initialize the framebuffer video hardware associated with the display.
* to access the framebuffer as follows:
* *
* up_fbinitialize - Initialize the framebuffer video hardware * Input parameters:
* up_fbgetvplane - Return a a reference to the framebuffer object for * display - In the case of hardware with multiple displays, this
* the specified video plane. Most OSDs support * specifies the display. Normally this is zero.
* multiple planes of video. *
* up_fbuninitialize - Uninitialize the framebuffer support * Returned Value:
* Zero is returned on success; a negated errno value is returned on any
* failure.
* *
****************************************************************************/ ****************************************************************************/
int up_fbinitialize(void); int up_fbinitialize(int display);
FAR struct fb_vtable_s *up_fbgetvplane(int vplane);
void fb_uninitialize(void); /****************************************************************************
* Name: up_fbgetvplane
*
* Description:
* Return a a reference to the framebuffer object for the specified video
* plane of the specified plane. Many OSDs support multiple planes of video.
*
* Input parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
* vplane - Identifies the plane being queried.
*
* Returned Value:
* A non-NULL pointer to the frame buffer access structure is returned on
* success; NULL is returned on any failure.
*
****************************************************************************/
FAR struct fb_vtable_s *up_fbgetvplane(int display, int vplane);
/****************************************************************************
* Name: up_fbuninitialize
*
* Description:
* Uninitialize the framebuffer support for the specified display.
*
* Input Parameters:
* display - In the case of hardware with multiple displays, this
* specifies the display. Normally this is zero.
*
* Returned Value:
* None
*
****************************************************************************/
void up_fbuninitialize(int display);
#undef EXTERN #undef EXTERN
#ifdef __cplusplus #ifdef __cplusplus