diff options
-rw-r--r-- | drivers/gdisp/SSD2119/gdisp_lld.c | 215 |
1 files changed, 125 insertions, 90 deletions
diff --git a/drivers/gdisp/SSD2119/gdisp_lld.c b/drivers/gdisp/SSD2119/gdisp_lld.c index f6d6e8ab..22ca9098 100644 --- a/drivers/gdisp/SSD2119/gdisp_lld.c +++ b/drivers/gdisp/SSD2119/gdisp_lld.c @@ -515,7 +515,7 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { #if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__) /** - * @brief Driver Control + * @brief Driver Control * @details Unsupported control codes are ignored. * @note The value parameter should always be typecast to (void *). * @note There are some predefined and some specific to the low level driver. @@ -525,8 +525,6 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { * that only supports off/on anything other * than zero is on. * GDISP_CONTROL_CONTRAST - Takes an int from 0 to 100. - * GDISP_CONTROL_LLD - Low level driver control constants start at - * this value. * * @param[in] what What to do. * @param[in] value The value to use (always cast to a void *). @@ -535,98 +533,135 @@ void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { */ void gdisp_lld_control(unsigned what, void *value) { switch(what) { - case GDISP_CONTROL_POWER: - if (GDISP.Powermode == (gdisp_powermode_t)value) + case GDISP_CONTROL_POWER: + if (GDISP.Powermode == (gdisp_powermode_t)value) + return; + switch((gdisp_powermode_t)value) { + case powerOff: + acquire_bus(); + write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode + write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off + write_reg(SSD2119_REG_OSC_START, 0x0000); // Turn off oscillator + release_bus(); + set_backlight(0); + break; + + case powerOn: + if (GDISP.Powermode == powerSleep) { + acquire_bus(); + write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode + write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0033); // Display on + release_bus(); + delayms(170); + } else if (GDISP.Powermode == powerDeepSleep) { + acquire_bus(); + write_reg(SSD2119_REG_SLEEP_MODE_2, 0x0999); // Disable deep sleep function + write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode + write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0033); // Display on + release_bus(); + delayms(170); + } else { + acquire_bus(); + write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode + release_bus(); + gdisp_lld_init(); + } + set_backlight(100); + break; + + case powerSleep: + acquire_bus(); + write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode + write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off + release_bus(); + set_backlight(0); + delayms(25); + break; + + case powerDeepSleep: + acquire_bus(); + write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode + write_reg(SSD2119_REG_SLEEP_MODE_2, 0x2999); // Enable deep sleep function + write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off + release_bus(); + set_backlight(0); + delayms(25); + break; + + default: + return; + } + GDISP.Powermode = (gdisp_powermode_t)value; return; - switch((gdisp_powermode_t)value) { - case powerOff: - acquire_bus(); - write_reg(SSD2119_REG_SLEEP_MODE_1, 0x0001); // enter sleep mode - write_reg(SSD2119_REG_DISPLAY_CTRL, 0x0000); // halt operation - write_reg(SSD2119_REG_OSC_START, 0x0000); // turn off oszcillator - set_backlight(0); - delayms(500); - release_bus(); - break; - case powerOn: - acquire_bus(); - write_reg(0x0010, 0x0000); // leave sleep mode - release_bus(); - if (GDISP.Powermode != powerSleep) - gdisp_lld_init(); - set_backlight(100); - break; - case powerSleep: - acquire_bus(); - write_reg(0x0010, 0x0001); // enter sleep mode - release_bus(); - break; - default: + + case GDISP_CONTROL_ORIENTATION: + if (GDISP.Orientation == (gdisp_orientation_t)value) + return; + switch((gdisp_orientation_t)value) { + case GDISP_ROTATE_0: + acquire_bus(); + write_reg(0x0001, 0x2B3F); + /* ID = 11 AM = 0 */ + write_reg(0x0011, 0x6070); + release_bus(); + GDISP.Height = GDISP_SCREEN_HEIGHT; + GDISP.Width = GDISP_SCREEN_WIDTH; + break; + + case GDISP_ROTATE_90: + acquire_bus(); + write_reg(0x0001, 0x293F); + /* ID = 11 AM = 1 */ + write_reg(0x0011, 0x6078); + release_bus(); + GDISP.Height = GDISP_SCREEN_WIDTH; + GDISP.Width = GDISP_SCREEN_HEIGHT; + break; + + case GDISP_ROTATE_180: + acquire_bus(); + write_reg(0x0001, 0x2B3F); + /* ID = 01 AM = 0 */ + write_reg(0x0011, 0x6040); + release_bus(); + GDISP.Height = GDISP_SCREEN_HEIGHT; + GDISP.Width = GDISP_SCREEN_WIDTH; + break; + + case GDISP_ROTATE_270: + acquire_bus(); + write_reg(0x0001, 0x293F); + /* ID = 01 AM = 1 */ + write_reg(0x0011, 0x6048); + release_bus(); + GDISP.Height = GDISP_SCREEN_WIDTH; + GDISP.Width = GDISP_SCREEN_HEIGHT; + break; + + default: + return; + } + + #if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION + GDISP.clipx0 = 0; + GDISP.clipy0 = 0; + GDISP.clipx1 = GDISP.Width; + GDISP.clipy1 = GDISP.Height; + #endif + GDISP.Orientation = (gdisp_orientation_t)value; return; - } - GDISP.Powermode = (gdisp_powermode_t)value; - return; - case GDISP_CONTROL_ORIENTATION: - if (GDISP.Orientation == (gdisp_orientation_t)value) + + case GDISP_CONTROL_BACKLIGHT: + if ((unsigned)value > 100) + value = (void *)100; + set_backlight((unsigned)value); + GDISP.Backlight = (unsigned)value; return; - switch((gdisp_orientation_t)value) { - case GDISP_ROTATE_0: - acquire_bus(); - write_reg(0x0001, 0x2B3F); - /* ID = 11 AM = 0 */ - write_reg(0x0011, 0x6070); - release_bus(); - GDISP.Height = GDISP_SCREEN_HEIGHT; - GDISP.Width = GDISP_SCREEN_WIDTH; - break; - case GDISP_ROTATE_90: - acquire_bus(); - write_reg(0x0001, 0x293F); - /* ID = 11 AM = 1 */ - write_reg(0x0011, 0x6078); - release_bus(); - GDISP.Height = GDISP_SCREEN_WIDTH; - GDISP.Width = GDISP_SCREEN_HEIGHT; - break; - case GDISP_ROTATE_180: - acquire_bus(); - write_reg(0x0001, 0x2B3F); - /* ID = 01 AM = 0 */ - write_reg(0x0011, 0x6040); - release_bus(); - GDISP.Height = GDISP_SCREEN_HEIGHT; - GDISP.Width = GDISP_SCREEN_WIDTH; - break; - case GDISP_ROTATE_270: - acquire_bus(); - write_reg(0x0001, 0x293F); - /* ID = 01 AM = 1 */ - write_reg(0x0011, 0x6048); - release_bus(); - GDISP.Height = GDISP_SCREEN_WIDTH; - GDISP.Width = GDISP_SCREEN_HEIGHT; - break; + + case GDISP_CONTROL_CONTRAST: + default: return; - } - #if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION - GDISP.clipx0 = 0; - GDISP.clipy0 = 0; - GDISP.clipx1 = GDISP.Width; - GDISP.clipy1 = GDISP.Height; - #endif - GDISP.Orientation = (gdisp_orientation_t)value; - return; - case GDISP_CONTROL_BACKLIGHT: - if ((unsigned)value > 100) { - value = (void *) 100; - } - set_backlight((unsigned)value); - GDISP.Backlight = (unsigned)value; - break; -/* - case GDISP_CONTROL_CONTRAST: -*/ } } #endif |