diff options
| author | inmarket <andrewh@inmarket.com.au> | 2013-10-24 11:59:41 +1000 |
|---|---|---|
| committer | inmarket <andrewh@inmarket.com.au> | 2013-10-24 11:59:41 +1000 |
| commit | 90ad93c41fa86534479f7006ec2c3956da9eac3c (patch) | |
| tree | 062da505e855148bc18f4137dd9ffec279fb18b8 /drivers/gdisp | |
| parent | 4a5506df0a36a61b13c01b0173523a2ce31b5fb9 (diff) | |
| download | uGFX-90ad93c41fa86534479f7006ec2c3956da9eac3c.tar.gz uGFX-90ad93c41fa86534479f7006ec2c3956da9eac3c.tar.bz2 uGFX-90ad93c41fa86534479f7006ec2c3956da9eac3c.zip | |
Updates to SSD1306 driver to raise thread priority during flushing.
Diffstat (limited to 'drivers/gdisp')
| -rw-r--r-- | drivers/gdisp/SSD1306/board_SSD1306_i2c.h | 15 | ||||
| -rw-r--r-- | drivers/gdisp/SSD1306/board_SSD1306_spi.h | 13 | ||||
| -rw-r--r-- | drivers/gdisp/SSD1306/gdisp_lld.c | 2 |
3 files changed, 26 insertions, 4 deletions
diff --git a/drivers/gdisp/SSD1306/board_SSD1306_i2c.h b/drivers/gdisp/SSD1306/board_SSD1306_i2c.h index c89562e0..69c054f5 100644 --- a/drivers/gdisp/SSD1306/board_SSD1306_i2c.h +++ b/drivers/gdisp/SSD1306/board_SSD1306_i2c.h @@ -41,6 +41,10 @@ // I2C configuration structure. static I2CConfig i2cconfig; +#if GFX_USE_OS_CHIBIOS + static int32_t thdPriority = 0; +#endif + static inline void init_board(GDisplay *g) { // As we are not using multiple displays we set g->board to NULL as we don't use it. @@ -62,10 +66,10 @@ static inline void init_board(GDisplay *g) { * 0x0030020A; // 400kHz Fast Mode * 0x00100002; // 800kHz Fast Mode + */ - i2cconfig.timingr = 0x00100002; // 800kHz Fast Mode+ - i2cInit(); palSetPadMode(SSD1306_SCL_PORT, SSD1306_SCL_PIN, PAL_MODE_ALTERNATE(1)); palSetPadMode(SSD1306_SDA_PORT, SSD1306_SDA_PIN, PAL_MODE_ALTERNATE(1)); + i2cconfig.timingr = 0x00100002; // 800kHz Fast Mode+ + i2cInit(); break; } } @@ -84,11 +88,18 @@ static inline void setpin_reset(GDisplay *g, bool_t state) { static inline void acquire_bus(GDisplay *g) { (void) g; + #if GFX_USE_OS_CHIBIOS + thdPriority = (int32_t)chThdGetPriority(); + chThdSetPriority(HIGHPRIO); + #endif i2cAcquireBus(&I2CD1); } static inline void release_bus(GDisplay *g) { (void) g; + #if GFX_USE_OS_CHIBIOS + chThdSetPriority(thdPriority); + #endif i2cReleaseBus(&I2CD1); } diff --git a/drivers/gdisp/SSD1306/board_SSD1306_spi.h b/drivers/gdisp/SSD1306/board_SSD1306_spi.h index e206a517..476c51bf 100644 --- a/drivers/gdisp/SSD1306/board_SSD1306_spi.h +++ b/drivers/gdisp/SSD1306/board_SSD1306_spi.h @@ -44,6 +44,10 @@ static const SPIConfig spi1config = { //SPI_CR1_BR_0 }; +#if GFX_USE_OS_CHIBIOS + static int32_t thdPriority = 0; +#endif + static inline void init_board(GDisplay *g) { // As we are not using multiple displays we set g->board to NULL as we don't use it. @@ -54,7 +58,6 @@ static inline void init_board(GDisplay *g) { // RESET pin. palSetPadMode(SSD1306_RESET_PORT, SSD1306_RESET_PIN, PAL_MODE_OUTPUT_PUSHPULL); - spiInit(); palSetPadMode(SSD1306_MISO_PORT, SSD1306_MISO_PIN, PAL_MODE_ALTERNATE(1)| PAL_STM32_OSPEED_HIGHEST); palSetPadMode(SSD1306_MOSI_PORT, SSD1306_MOSI_PIN, PAL_MODE_ALTERNATE(1)| @@ -64,6 +67,7 @@ static inline void init_board(GDisplay *g) { palSetPad(SSD1306_CS_PORT, SSD1306_CS_PIN); palSetPadMode(SSD1306_CS_PORT, SSD1306_CS_PIN, PAL_MODE_ALTERNATE(1)| PAL_STM32_OSPEED_HIGHEST); + spiInit(); break; } } @@ -82,11 +86,18 @@ static inline void setpin_reset(GDisplay *g, bool_t state) { static inline void acquire_bus(GDisplay *g) { (void) g; + #if GFX_USE_OS_CHIBIOS + thdPriority = (int32_t)chThdGetPriority(); + chThdSetPriority(HIGHPRIO); + #endif spiAcquireBus(&SPID1); } static inline void release_bus(GDisplay *g) { (void) g; + #if GFX_USE_OS_CHIBIOS + chThdSetPriority(thdPriority); + #endif spiReleaseBus(&SPID1); } diff --git a/drivers/gdisp/SSD1306/gdisp_lld.c b/drivers/gdisp/SSD1306/gdisp_lld.c index 079c9256..81b3b692 100644 --- a/drivers/gdisp/SSD1306/gdisp_lld.c +++ b/drivers/gdisp/SSD1306/gdisp_lld.c @@ -12,7 +12,7 @@ #include "gfx.h"
-#if GFX_USE_GDISP || defined(__DOXYGEN__)
+#if GFX_USE_GDISP
#define GDISP_DRIVER_VMT GDISPVMT_SSD1306
#include "../drivers/gdisp/SSD1306/gdisp_lld_config.h"
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