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apps/graphics/pdcurs34/nuttx: Add framebuffer initialization logic.
This commit is contained in:
Gregory Nutt
parent
e33fe59cab
commit
65555542e5
7 changed files with 281 additions and 27 deletions
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@ -34,11 +34,11 @@ DATA STRUCTURES
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A port of PDCurses must provide acs_map[], a 128-element array of
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chtypes, with values laid out based on the Alternate Character Set of
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the VT100 (see curses.h). PDC_transform_line() must use this table; when
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the VT100 (see curses.h). PDC_transform_line() must use this table; when
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it encounters a chtype with the A_ALTCHARSET flag set, and an A_CHARTEXT
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value in the range 0-127, it must render it using the A_CHARTEXT portion
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of the corresponding value from this table, instead of the original
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value. Also, values may be read from this table by apps, and passed
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value. Also, values may be read from this table by apps, and passed
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through functions such as waddch(), which does no special processing on
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control characters (0-31 and 127) when the A_ALTCHARSET flag is set.
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Thus, any control characters used in acs_map[] should also have the
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@ -101,7 +101,7 @@ internally from PDC_scr_open(), but this is not required.)
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int PDC_get_cursor_mode(void);
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Returns the size/shape of the cursor. The format of the result is
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unspecified, except that it must be returned as an int. This function is
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unspecified, except that it must be returned as an int. This function is
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called from initscr(), and the result is stored in SP->orig_cursor,
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which is used by PDC_curs_set() to determine the size/shape of the
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cursor in normal visibility mode (curs_set(1)).
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@ -3,6 +3,10 @@
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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config PDCURSES_FBDEV
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string "Framebuffer device"
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default "/dev/fb0"
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choice
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prompt "TUI Font Selection"
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default PDCURSES_FOUNT_6X9
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@ -34,7 +34,7 @@
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############################################################################
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CSRCS += pdcclip.c pdcdisp.c pdcgetsc.c pdckbd.c pdcscrn.c pdcsetsc.c
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CRCCS += pdcutil.c
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CSRCS += pdcutil.c
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DEPPATH += --dep-path nuttx
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VPATH += :nuttx
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@ -41,6 +41,29 @@
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#include "pdcnuttx.h"
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* A port of PDCurses must provide acs_map[], a 128-element array of chtypes,
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* with values laid out based on the Alternate Character Set of the VT100
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* (see curses.h). PDC_transform_line() must use this table; when it
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* encounters a chtype with the A_ALTCHARSET flag set, and an A_CHARTEXT
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* value in the range 0-127, it must render it using the A_CHARTEXT portion
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* of the corresponding value from this table, instead of the original
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* value. Also, values may be read from this table by apps, and passed
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* through functions such as waddch(), which does no special processing on
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* control characters (0-31 and 127) when the A_ALTCHARSET flag is set.
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* Thus, any control characters used in acs_map[] should also have the
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* A_ALTCHARSET flag set. Implementations should provide suitable values
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* for all the ACS_ macros defined in curses.h; other values in the table
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* should be filled with their own indices (e.g., acs_map['E'] == 'E'). The
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* table can be either hardwired, or filled by PDC_scr_open(). Existing
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* ports define it in pdcdisp.c, but this is not required.
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*/
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chtype acs_map[128];
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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@ -39,6 +39,20 @@
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#include "pdcnuttx.h"
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* Key modifiers. The OR of any of:
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*
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* PDC_KEY_MODIFIER_SHIFT;
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* PDC_KEY_MODIFIER_CONTROL;
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* PDC_KEY_MODIFIER_ALT;
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* PDC_KEY_MODIFIER_NUMLOCK;
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*/
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unsigned long pdc_key_modifiers;
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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@ -41,7 +41,10 @@
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****************************************************************************/
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#include "nuttx/config.h"
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#include "nuttx/nx/nx.h"
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#include "nuttx/nx/nxfonts.h"
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#include "curspriv.h"
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/****************************************************************************
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@ -49,45 +52,98 @@
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****************************************************************************/
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#if defined(CONFIG_PDCURSES_FOUNT_4X6)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_4X6
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_4X6
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#elif defined(CONFIG_PDCURSES_FOUNT_5X7)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_5X7
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_5X7
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#elif defined(CONFIG_PDCURSES_FOUNT_5X8)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_5X8
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_5X8
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#elif defined(CONFIG_PDCURSES_FOUNT_6X9)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_6X9
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X9
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#elif defined(CONFIG_PDCURSES_FOUNT_6X10)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_6X10
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X10
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#elif defined(CONFIG_PDCURSES_FOUNT_6X12)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_6X12
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X12
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#elif defined(CONFIG_PDCURSES_FOUNT_6X13)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_6X13
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X13
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#elif defined(CONFIG_PDCURSES_FOUNT_6X13B)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_6X13B
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X13B
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#elif defined(CONFIG_PDCURSES_FOUNT_7X13)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_7X13
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_7X13
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#elif defined(CONFIG_PDCURSES_FOUNT_7X13B)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_7X13B
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_7X13B
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#elif defined(CONFIG_PDCURSES_FOUNT_7X14)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_7X14
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_7X14
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#elif defined(CONFIG_PDCURSES_FOUNT_7X14B)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_7X14B
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_7X14B
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#elif defined(CONFIG_PDCURSES_FOUNT_8X13)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_8X13
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_8X13
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#elif defined(CONFIG_PDCURSES_FOUNT_8X13B)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_8X13B
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_8X13B
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#elif defined(CONFIG_PDCURSES_FOUNT_9X15)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_9X15
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_9X15
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#elif defined(CONFIG_PDCURSES_FOUNT_9X15B)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_9X15B
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_9X15B
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#elif defined(CONFIG_PDCURSES_FOUNT_9X18)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_9X18
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_9X18
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#elif defined(CONFIG_PDCURSES_FOUNT_9X18B)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_9X18B
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_9X18B
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#elif defined(CONFIG_PDCURSES_FOUNT_10X20)
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# define PDCURSES_FONTID ID FONTID_X11_MISC_FIXED_10X20
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# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_10X20
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#else
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# error No fixed width font selected
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#endif
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/****************************************************************************
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* Private Types
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****************************************************************************/
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#if defined(__cplusplus)
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extern "C"
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{
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# define EXTERN extern "C"
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#else
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# define EXTERN extern
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#endif
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/* This structure provides the overall state of the frambuffer device */
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struct pdc_fbstate_s
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{
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/* Framebuffer */
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int fd; /* Open framebuffer driver file descriptor */
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fb_coord_t xres; /* Horizontal resolution in pixel columns */
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fb_coord_t yres; /* Vertical resolution in pixel rows */
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fb_coord_t stride; /* Length of a line in bytes */
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uint8_t bpp; /* Bits per pixel */
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FAR void *fbmem; /* Start of framebuffer memory */
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/* Font */
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NXHANDLE hfont; /* Handled uses to access selected font */
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uint8_t fheight; /* Height of the font in pixels */
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uint8_t fwidth; /* Width of the font in pixels */
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/* Drawable area (See also SP->lines and SP->cols) */
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uint8_t hoffset; /* Offset from left of display in pixels */
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uint8_t voffset; /* Offset from top of display in lines */
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* This singleton represents the state of frame buffer device. pdcurses
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* depends on global variables and, hence, can never support more than a
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* single framebuffer instance in the same address space.
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*/
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EXTERN struct pdc_fbstate_s g_pdc_fbstate;
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __APPS_GRAPHICS_PDCURS34_NUTTX_PDCNUTTX_H */
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@ -37,8 +37,27 @@
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "pdcnuttx.h"
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* This singleton represents the state of frame buffer device. pdcurses
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* depends on global variables and, hence, can never support more than a
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* single framebuffer instance in the same address space.
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*/
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struct pdc_fbstate_s g_pdc_fbstate;
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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@ -79,16 +98,16 @@ void PDC_scr_free(void)
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* Name: PDC_scr_open
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*
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* Description:
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* The platform-specific part of initscr(). It's actually called from
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* The platform-specific part of initscr(). It's actually called from
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* Xinitscr(); the arguments, if present, correspond to those used with
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* main(), and may be used to set the title of the terminal window, or for
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* other, platform-specific purposes. (The arguments are currently used
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* only in X11.) PDC_scr_open() must allocate memory for SP, and must
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* only in X11.) PDC_scr_open() must allocate memory for SP, and must
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* initialize acs_map[] (unless it's preset) and several members of SP,
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* including lines, cols, mouse_wait, orig_attr (and if orig_attr is true,
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* orig_fore and orig_back), mono, _restore and _preserve. (Although SP is
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* used the same way in all ports, it's allocated here in order to allow
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* the X11 port to map it to a block of shared memory.) If using an
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* the X11 port to map it to a block of shared memory.) If using an
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* existing terminal, and the environment variable PDC_RESTORE_SCREEN is
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* set, this function may also store the existing screen image for later
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* restoration by PDC_scr_close().
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@ -97,8 +116,146 @@ void PDC_scr_free(void)
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int PDC_scr_open(int argc, char **argv)
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{
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struct fb_videoinfo_s vinfo;
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struct fb_planeinfo_s pinfo;
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FAR const struct nx_font_s *fontset;
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uint32_t bitwidth;
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int ret;
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PDC_LOG(("PDC_scr_open() - called\n"));
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#warning Missing logic
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/* Allocate the global instance of SP */
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SP = (SCREEN *)zalloc(sizeof(SCREEN));
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if (SP == NULL)
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{
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PDC_LOG(("ERROR: Failed to allocate SP\n"));
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return ERR;
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}
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/* Open the framebuffer driver */
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g_pdc_fbstate.fd = open(CONFIG_PDCURSES_FBDEV, O_RDWR);
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if (g_pdc_fbstate.fd < 0)
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{
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PDC_LOG(("ERROR: Failed to open %s: %d\n",
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CONFIG_PDCURSES_FBDEV, errno));
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goto errout_with_sp;
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}
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/* Get the characteristics of the framebuffer */
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ret = ioctl(g_pdc_fbstate.fd, FBIOGET_VIDEOINFO,
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(unsigned long)((uintptr_t)&vinfo));
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if (ret < 0)
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{
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PDC_LOG(("ERROR: ioctl(FBIOGET_VIDEOINFO) failed: %d\n", errno));
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goto errout_with_fd;
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}
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PDC_LOG(("VideoInfo:\n"));
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PDC_LOG((" fmt: %u\n", vinfo.fmt));
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PDC_LOG((" xres: %u\n", vinfo.xres));
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PDC_LOG((" yres: %u\n", vinfo.yres));
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PDC_LOG((" nplanes: %u\n", vinfo.nplanes));
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g_pdc_fbstate.xres = vinfo.xres; /* Horizontal resolution in pixel columns */
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g_pdc_fbstate.yres = vinfo.yres; /* Vertical resolution in pixel rows */
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ret = ioctl(g_pdc_fbstate.fd, FBIOGET_PLANEINFO,
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(unsigned long)((uintptr_t)&pinfo));
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if (ret < 0)
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{
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PDC_LOG(("ERROR: ioctl(FBIOGET_PLANEINFO) failed: %d\n", errno));
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goto errout_with_fd;
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}
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PDC_LOG(("PlaneInfo (plane 0):\n"));
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PDC_LOG((" fbmem: %p\n", pinfo.fbmem));
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PDC_LOG((" fblen: %lu\n", (unsigned long)pinfo.fblen));
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PDC_LOG((" stride: %u\n", pinfo.stride));
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PDC_LOG((" display: %u\n", pinfo.display));
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PDC_LOG((" bpp: %u\n", pinfo.bpp));
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g_pdc_fbstate.stride = pinfo.stride; /* Length of a line in bytes */
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g_pdc_fbstate.bpp = pinfo.bpp; /* Bits per pixel */
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/* Only these pixel depths are supported. vinfo.fmt is ignored, only
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* certain color formats are supported.
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*/
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if (pinfo.bpp != 32 && pinfo.bpp != 16 &&
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pinfo.bpp != 8 && pinfo.bpp != 1)
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{
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PDC_LOG(("ERROR: bpp=%u not supported\n", pinfo.bpp));
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goto errout_with_fd;
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}
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/* mmap() the framebuffer.
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*
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* NOTE: In the FLAT build the frame buffer address returned by the
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* FBIOGET_PLANEINFO IOCTL command will be the same as the framebuffer
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* address. mmap(), however, is the preferred way to get the framebuffer
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* address because in the KERNEL build, it will perform the necessary
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* address mapping to make the memory accessible to the application.
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*/
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g_pdc_fbstate.fbmem = mmap(NULL, pinfo.fblen, PROT_READ|PROT_WRITE,
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MAP_SHARED|MAP_FILE, g_pdc_fbstate.fd, 0);
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if (g_pdc_fbstate.fbmem == MAP_FAILED)
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{
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PDC_LOG(("ERROR: ioctl(FBIOGET_PLANEINFO) failed: %d\n", errno));
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goto errout_with_fd;
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}
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PDC_LOG(("Mapped FB: %p\n", g_pdc_fbstate.fbmem));
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/* The the handle for the selected font */
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g_pdc_fbstate.hfont = nxf_getfonthandle(PDCURSES_FONTID);
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if (g_pdc_fbstate.hfont == NULL)
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{
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PDC_LOG(("ERROR: Failed to get font handle: %d\n", errno);)
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goto errout_with_fd;
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}
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/* Get information about the fontset */
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fontset = nxf_getfontset(g_pdc_fbstate.hfont);
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if (fontset == NULL)
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{
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PDC_LOG(("ERROR: Failed to get font handle: %d\n", errno);)
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goto errout_with_font;
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}
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PDC_LOG(("Fonset (ID=%d):\n", PDCURSES_FONTID));
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PDC_LOG((" mxheight: %u\n", fontset->mxheight));
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PDC_LOG((" mxwidth: %u\n", fontset->mxwidth));
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PDC_LOG((" mxbits: %u\n", fontset->mxbits));
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PDC_LOG((" spwidth: %u\n", fontset->spwidth));
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g_pdc_fbstate.fheight = fontset->mxheight;
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||||
g_pdc_fbstate.fwidth = fontset->mxwidth;
|
||||
|
||||
/* Calculate the drawable region */
|
||||
|
||||
SP->lines = g_pdc_fbstate.yres / g_pdc_fbstate.fheight;
|
||||
SP->cols = g_pdc_fbstate.xres / g_pdc_fbstate.fwidth;
|
||||
|
||||
g_pdc_fbstate.hoffset = (g_pdc_fbstate.yres - g_pdc_fbstate.fheight * SP->lines) / 2;
|
||||
g_pdc_fbstate.hoffset = (g_pdc_fbstate.yres - g_pdc_fbstate.fheight * SP->lines) / 2;
|
||||
|
||||
return OK;
|
||||
|
||||
errout_with_font:
|
||||
|
||||
errout_with_fd:
|
||||
close(g_pdc_fbstate.fd);
|
||||
g_pdc_fbstate.fd = -1;
|
||||
|
||||
errout_with_sp:
|
||||
free(SP);
|
||||
SP = NULL;
|
||||
return ERR;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue