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Update SSD1289 and SSD2119 drivers to support using CCM memory for stack when using DMA.

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Use GDISP_NO_DMA_FROM_STACK.
This commit is contained in:
inmarket 2014-12-17 10:49:09 +10:00
parent 05354e057d
commit e5d69abf02
6 changed files with 42 additions and 12 deletions
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9
drivers/gdisp/SSD1289/board_SSD1289_template.h
View file

@ -57,8 +57,13 @@ static inline uint16_t read_data(GDisplay *g) {
return 0; return 0;
} }
#if defined(GDISP_USE_DMA) || defined(__DOXYGEN__) //Optional define if your board interface supports it
//#error "GDISP - SSD1289: This interface does not support DMA" //#define GDISP_USE_DMA TRUE
// Optional define - valid only when GDISP_USE_DMA is TRUE
//#define GDISP_NO_DMA_FROM_STACK FALSE
#if defined(GDISP_USE_DMA) && GDISP_USE_DMA
static inline void dma_with_noinc(GDisplay *g, color_t *buffer, int area) { static inline void dma_with_noinc(GDisplay *g, color_t *buffer, int area) {
(void) g; (void) g;

16
drivers/gdisp/SSD1289/gdisp_lld_SSD1289.c
View file

@ -31,6 +31,12 @@
#ifndef GDISP_INITIAL_BACKLIGHT #ifndef GDISP_INITIAL_BACKLIGHT
#define GDISP_INITIAL_BACKLIGHT 100 #define GDISP_INITIAL_BACKLIGHT 100
#endif #endif
#ifndef GDISP_USE_DMA
#define GDISP_USE_DMA FALSE
#endif
#ifndef GDISP_NO_DMA_FROM_STACK
#define GDISP_NO_DMA_FROM_STACK FALSE
#endif
/*===========================================================================*/ /*===========================================================================*/
/* Driver local functions. */ /* Driver local functions. */
@ -229,9 +235,13 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
} }
#endif #endif
#if GDISP_HARDWARE_FILLS && defined(GDISP_USE_DMA) #if GDISP_HARDWARE_FILLS && GDISP_USE_DMA
LLDSPEC void gdisp_lld_fill_area(GDisplay *g) { LLDSPEC void gdisp_lld_fill_area(GDisplay *g) {
uint16_t c; #if GDISP_NO_DMA_FROM_STACK
static LLDCOLOR_TYPE c;
#else
LLDCOLOR_TYPE c;
#endif
c = gdispColor2Native(g->p.color); c = gdispColor2Native(g->p.color);
acquire_bus(g); acquire_bus(g);
@ -242,7 +252,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
} }
#endif #endif
#if GDISP_HARDWARE_BITFILLS && defined(GDISP_USE_DMA) #if GDISP_HARDWARE_BITFILLS && GDISP_USE_DMA
#if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT #if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT
#error "GDISP: SSD1289: BitBlit is only available in RGB565 pixel format" #error "GDISP: SSD1289: BitBlit is only available in RGB565 pixel format"
#endif #endif

2
drivers/gdisp/SSD1289/gdisp_lld_config.h
View file

@ -19,7 +19,7 @@
#define GDISP_HARDWARE_STREAM_POS TRUE #define GDISP_HARDWARE_STREAM_POS TRUE
#define GDISP_HARDWARE_CONTROL TRUE #define GDISP_HARDWARE_CONTROL TRUE
#if defined(GDISP_USE_DMA) #if defined(GDISP_USE_DMA) && GDISP_USE_DMA
#define GDISP_HARDWARE_FILLS TRUE #define GDISP_HARDWARE_FILLS TRUE
#if !defined(GDISP_PIXELFORMAT) || GDISP_PIXELFORMAT == 0x2565 #if !defined(GDISP_PIXELFORMAT) || GDISP_PIXELFORMAT == 0x2565
// Hardware BitBlts are only supported in native pixel format on this controller // Hardware BitBlts are only supported in native pixel format on this controller

9
drivers/gdisp/SSD2119/board_SSD2119_template.h
View file

@ -57,8 +57,13 @@ static inline uint16_t read_data(GDisplay *g) {
return 0; return 0;
} }
#if defined(GDISP_USE_DMA) || defined(__DOXYGEN__) //Optional define if your board interface supports it
//#error "GDISP - SSD2119: This interface does not support DMA" //#define GDISP_USE_DMA TRUE
// Optional define - valid only when GDISP_USE_DMA is TRUE
//#define GDISP_NO_DMA_FROM_STACK FALSE
#if defined(GDISP_USE_DMA) && GDISP_USE_DMA
static inline void dma_with_noinc(GDisplay *g, color_t *buffer, int area) { static inline void dma_with_noinc(GDisplay *g, color_t *buffer, int area) {
(void) g; (void) g;

14
drivers/gdisp/SSD2119/gdisp_lld_SSD2119.c
View file

@ -31,6 +31,12 @@
#ifndef GDISP_INITIAL_BACKLIGHT #ifndef GDISP_INITIAL_BACKLIGHT
#define GDISP_INITIAL_BACKLIGHT 100 #define GDISP_INITIAL_BACKLIGHT 100
#endif #endif
#ifndef GDISP_USE_DMA
#define GDISP_USE_DMA FALSE
#endif
#ifndef GDISP_NO_DMA_FROM_STACK
#define GDISP_NO_DMA_FROM_STACK FALSE
#endif
#include "drivers/gdisp/SSD2119/ssd2119.h" #include "drivers/gdisp/SSD2119/ssd2119.h"
@ -265,9 +271,13 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) {
} }
#endif #endif
#if GDISP_HARDWARE_FILLS && defined(GDISP_USE_DMA) #if GDISP_HARDWARE_FILLS && GDISP_USE_DMA
LLDSPEC void gdisp_lld_fill_area(GDisplay* g) { LLDSPEC void gdisp_lld_fill_area(GDisplay* g) {
#if GDISP_NO_DMA_FROM_STACK
static LLDCOLOR_TYPE c;
#else
LLDCOLOR_TYPE c; LLDCOLOR_TYPE c;
#endif
c = gdispColor2Native(g->p.color); c = gdispColor2Native(g->p.color);
acquire_bus(g); acquire_bus(g);
@ -278,7 +288,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) {
} }
#endif #endif
#if GDISP_HARDWARE_BITFILLS && defined(GDISP_USE_DMA) #if GDISP_HARDWARE_BITFILLS && GDISP_USE_DMA
#if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT #if GDISP_PIXELFORMAT != GDISP_LLD_PIXELFORMAT
#error "GDISP: SSD2119: BitBlit is only available in RGB565 pixel format" #error "GDISP: SSD2119: BitBlit is only available in RGB565 pixel format"
#endif #endif

2
drivers/gdisp/SSD2119/gdisp_lld_config.h
View file

@ -19,7 +19,7 @@
#define GDISP_HARDWARE_STREAM_POS TRUE #define GDISP_HARDWARE_STREAM_POS TRUE
#define GDISP_HARDWARE_CONTROL TRUE #define GDISP_HARDWARE_CONTROL TRUE
#if defined(GDISP_USE_DMA) #if defined(GDISP_USE_DMA) && GDISP_USE_DMA
#define GDISP_HARDWARE_FILLS TRUE #define GDISP_HARDWARE_FILLS TRUE
#if !defined(GDISP_PIXELFORMAT) || GDISP_PIXELFORMAT == 0x2565 #if !defined(GDISP_PIXELFORMAT) || GDISP_PIXELFORMAT == 0x2565
// Hardware BitBlts are only supported in native pixel format on this controller // Hardware BitBlts are only supported in native pixel format on this controller