compiler flag optimization, issue #364
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kraus
parent
6425d2f179
commit
8e0fbc5eef
38
csrc/u8g2.h
38
csrc/u8g2.h
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@ -72,6 +72,7 @@
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//#define U8G2_16BIT
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/*
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The following macro enables a special check and optimization
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in the HVLine procedure for lines with one pixel length.
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@ -80,7 +81,25 @@
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27 Oct 2018: The one pixel optimization is removed, it does not have any effect
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*/
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#define U8G2_WITH_ONE_PIXEL_OPTIMIZATION
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//#define U8G2_WITH_ONE_PIXEL_OPTIMIZATION
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/*
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The following macro enables the HVLine speed optimization.
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It will consume about 40 bytes more in flash memory of the AVR.
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HVLine procedures are also used by the text drawing functions.
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*/
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#define U8G2_WITH_HVLINE_SPEED_OPTIMIZATION
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/*
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The following macro activates the early intersection check with the current visible area.
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Clipping (and low level intersection calculation) will still happen and is controlled by U8G2_WITH_CLIPPING.
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This early intersection check only improves speed for the picture loop (u8g2_FirstPage/NextPage).
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With a full framebuffer in RAM and if most graphical elements are drawn within the visible area, then this
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macro can be commented to reduce code size.
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*/
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#define U8G2_WITH_INTERSECTION
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/*
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Enable clip window support:
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@ -91,29 +110,12 @@
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*/
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#define U8G2_WITH_CLIP_WINDOW_SUPPORT
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/*
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The following macro enables the HVLine speed optimization.
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It will consume about 40 bytes more in flash memory of the AVR.
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HVLine procedures are also used by the text drawing functions.
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*/
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#define U8G2_HVLINE_SPEED_OPTIMIZATION
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/*
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The following macro enables all four drawing directions for glyphs and strings.
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If this macro is not defined, than a string can be drawn only in horizontal direction.
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*/
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#define U8G2_WITH_FONT_ROTATION
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/*
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The following macro activates the early intersection check with the current visible area.
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Clipping (and low level intersection calculation) will still happen and is controlled by U8G2_WITH_CLIPPING.
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This early intersection check only improves speed for the picture loop (u8g2_FirstPage/NextPage).
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With a full framebuffer in RAM and if most graphical elements are drawn within the visible area, then this
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macro can be commented to reduce code size.
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*/
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#define U8G2_WITH_INTERSECTION
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/*
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U8glib V2 contains support for unicode plane 0 (Basic Multilingual Plane, BMP).
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The following macro activates this support. Deactivation would save some ROM.
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@ -44,7 +44,7 @@
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#endif
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#ifdef U8G2_WITH_INTERSECTION
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#if defined(U8G2_WITH_INTERSECTION) || defined(U8G2_WITH_CLIP_WINDOW_SUPPORT)
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#ifdef OLD_VERSION_WITH_SYMETRIC_BOUNDARIES
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@ -59,7 +59,7 @@
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*/
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#ifdef U8G2_HVLINE_SPEED_OPTIMIZATION
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#ifdef U8G2_WITH_HVLINE_SPEED_OPTIMIZATION
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/*
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x,y Upper left position of the line within the local buffer (not the display!)
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@ -153,7 +153,7 @@ void u8g2_ll_hvline_vertical_top_lsb(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y,
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#else /* U8G2_HVLINE_SPEED_OPTIMIZATION */
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#else /* U8G2_WITH_HVLINE_SPEED_OPTIMIZATION */
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/*
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x,y position within the buffer
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@ -221,7 +221,7 @@ void u8g2_ll_hvline_vertical_top_lsb(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y,
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}
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#endif /* U8G2_HVLINE_SPEED_OPTIMIZATION */
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#endif /* U8G2_WITH_HVLINE_SPEED_OPTIMIZATION */
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/*=================================================*/
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/*
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@ -229,7 +229,7 @@ void u8g2_ll_hvline_vertical_top_lsb(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y,
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ST7920
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*/
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#ifdef U8G2_HVLINE_SPEED_OPTIMIZATION
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#ifdef U8G2_WITH_HVLINE_SPEED_OPTIMIZATION
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/*
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x,y Upper left position of the line within the local buffer (not the display!)
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@ -297,7 +297,7 @@ void u8g2_ll_hvline_horizontal_right_lsb(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_
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}
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}
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#else /* U8G2_HVLINE_SPEED_OPTIMIZATION */
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#else /* U8G2_WITH_HVLINE_SPEED_OPTIMIZATION */
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/*
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@ -365,4 +365,4 @@ void u8g2_ll_hvline_horizontal_right_lsb(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_
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}
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}
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#endif /* U8G2_HVLINE_SPEED_OPTIMIZATION */
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#endif /* U8G2_WITH_HVLINE_SPEED_OPTIMIZATION */
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@ -32,15 +32,23 @@
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 Oct 2018:
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U8G2_SSD1306_128X64_NONAME_1_4W_HW_SPI u8g2
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make -f Makefile.184.uno
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text data bss dec hex filename
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8440 152 420 9012 2334 HelloWorld.elf
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text
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8732 default, all active
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8500 -232 -2.65% no U8G2_WITH_CLIP_WINDOW_SUPPORT
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8316 -416 -4.76% no U8G2_WITH_FONT_ROTATION
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8606 -126 -1.44% no U8G2_WITH_UNICODE
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8692 -40 -0.45% no U8G2_WITH_INTERSECTION
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8328 -404 -4.62% no U8G2_WITH_INTERSECTION no U8G2_WITH_CLIP_WINDOW_SUPPORT
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8718 -14 -4.86% no U8G2_WITH_HVLINE_SPEED_OPTIMIZATION
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8026 -706 -8.08% no U8G2_WITH_FONT_ROTATION no U8G2_WITH_INTERSECTION no U8G2_WITH_CLIP_WINDOW_SUPPORT
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Some flags depend on each other: `U8G2_WITH_INTERSECTION` is required for `U8G2_WITH_CLIP_WINDOW_SUPPORT`, so `U8G2_WITH_INTERSECTION` is partly active as long
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as `U8G2_WITH_CLIP_WINDOW_SUPPORT` is requested.
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8422
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8470
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8676
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*/
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#include <Arduino.h>
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@ -69,8 +77,8 @@
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// Please update the pin numbers according to your setup. Use U8X8_PIN_NONE if the reset pin is not connected
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//U8G2_NULL u8g2(U8G2_R0); // null device, a 8x8 pixel display which does nothing
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//U8G2_SSD1306_128X64_NONAME_1_4W_SW_SPI u8g2(U8G2_R0, /* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
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U8G2_SSD1306_128X64_NONAME_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 12, /* dc=*/ 4, /* reset=*/ 6); // Arduboy (Production, Kickstarter Edition)
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//U8G2_SSD1306_128X64_NONAME_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
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//U8G2_SSD1306_128X64_NONAME_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 12, /* dc=*/ 4, /* reset=*/ 6); // Arduboy (Production, Kickstarter Edition)
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U8G2_SSD1306_128X64_NONAME_1_4W_HW_SPI u8g2(U8G2_R0, /* cs=*/ 10, /* dc=*/ 9, /* reset=*/ 8);
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//U8G2_SSD1306_128X64_NONAME_1_3W_SW_SPI u8g2(U8G2_R0, /* clock=*/ 13, /* data=*/ 11, /* cs=*/ 10, /* reset=*/ 8);
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//U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);
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//U8G2_SSD1306_128X64_ALT0_1_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE); // same as the NONAME variant, but may solve the "every 2nd line skipped" problem
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