diff options
Diffstat (limited to 'drivers/gdisp/SSD2119/gdisp_lld.c')
| -rw-r--r-- | drivers/gdisp/SSD2119/gdisp_lld.c | 590 |
1 files changed, 118 insertions, 472 deletions
diff --git a/drivers/gdisp/SSD2119/gdisp_lld.c b/drivers/gdisp/SSD2119/gdisp_lld.c index e3a2329a..df05fc2c 100644 --- a/drivers/gdisp/SSD2119/gdisp_lld.c +++ b/drivers/gdisp/SSD2119/gdisp_lld.c @@ -8,20 +8,16 @@ /** * @file drivers/gdisp/SSD2119/gdisp_lld.c * @brief GDISP Graphics Driver subsystem low level driver source for the SSD2119 display. - * - * @addtogroup GDISP - * @{ */ #include "gfx.h" -#include "ssd2119.h" - #if GFX_USE_GDISP #define GDISP_DRIVER_VMT GDISPVMT_SSD2119 #include "../drivers/gdisp/SSD2119/gdisp_lld_config.h" #include "gdisp/lld/gdisp_lld.h" + #include "board_SSD2119.h" /*===========================================================================*/ @@ -41,6 +37,8 @@ #define GDISP_INITIAL_BACKLIGHT 100 #endif +#include "ssd2119.h" + /*===========================================================================*/ /* Driver local functions. */ /*===========================================================================*/ @@ -60,23 +58,22 @@ static void set_cursor(GDisplay* g) { write_reg(g, SSD2119_REG_Y_RAM_ADDR, g->p.y & 0x00FF); break; case GDISP_ROTATE_90: - write_reg(g, SSD2119_REG_X_RAM_ADDR, (GDISP_SCREEN_WIDTH - g->p.y - 1) & 0x01FF); - write_reg(g, SSD2119_REG_Y_RAM_ADDR, (GDISP_SCREEN_HEIGHT - g->p.x - 1) & 0x00FF); + write_reg(g, SSD2119_REG_X_RAM_ADDR, g->p.y & 0x01FF); + write_reg(g, SSD2119_REG_Y_RAM_ADDR, (GDISP_SCREEN_HEIGHT-1 - g->p.x) & 0x00FF); break; case GDISP_ROTATE_180: - write_reg(g, SSD2119_REG_X_RAM_ADDR, (GDISP_SCREEN_WIDTH - 1 - g->p.x) & 0x01FF); - write_reg(g, SSD2119_REG_Y_RAM_ADDR, (GDISP_SCREEN_HEIGHT - 1 - g->p.y) & 0x00FF); + write_reg(g, SSD2119_REG_X_RAM_ADDR, (GDISP_SCREEN_WIDTH-1 - g->p.x) & 0x01FF); + write_reg(g, SSD2119_REG_Y_RAM_ADDR, (GDISP_SCREEN_HEIGHT-1 - g->p.y) & 0x00FF); break; case GDISP_ROTATE_270: - write_reg(g, SSD2119_REG_X_RAM_ADDR, g->p.y & 0x01FF); + write_reg(g, SSD2119_REG_X_RAM_ADDR, (GDISP_SCREEN_WIDTH-1 - g->p.y) & 0x01FF); write_reg(g, SSD2119_REG_Y_RAM_ADDR, g->p.x & 0x00FF); break; } + write_index(g, SSD2119_REG_RAM_DATA); } static void set_viewport(GDisplay* g) { - set_cursor(g->p.x, g->p.y); - /* Reg 0x44 - Vertical RAM address position * Upper Byte - VEA * Lower Byte - VSA @@ -85,7 +82,6 @@ static void set_viewport(GDisplay* g) { * Lower 9 bits gives 0-511 range in each value, HSA and HEA respectively * 0 <= HSA <= HEA <= 0x13F */ - switch(g->g.Orientation) { case GDISP_ROTATE_0: write_reg(g, SSD2119_REG_V_RAM_POS, (((g->p.y + g->p.cy - 1) << 8) & 0xFF00 ) | (g->p.y & 0x00FF)); @@ -93,27 +89,21 @@ static void set_viewport(GDisplay* g) { write_reg(g, SSD2119_REG_H_RAM_END, (g->p.x + g->p.cx - 1) & 0x01FF); break; case GDISP_ROTATE_90: - write_reg(g, SSD2119_REG_V_RAM_POS, (((GDISP_SCREEN_HEIGHT - g->p.x - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_HEIGHT - (g->p.x + g->p.cx)) & 0x00FF)); - write_reg(g, SSD2119_REG_H_RAM_START, (GDISP_SCREEN_WIDTH - (g->p.y + g->p.cy)) & 0x01FF); - write_reg(g, SSD2119_REG_H_RAM_END, (GDISP_SCREEN_WIDTH - g->p.y - 1) & 0x01FF); + write_reg(g, SSD2119_REG_V_RAM_POS, (((GDISP_SCREEN_HEIGHT-1 - g->p.x) & 0x00FF) << 8) | ((GDISP_SCREEN_HEIGHT - (g->p.x + g->p.cx)) & 0x00FF)); + write_reg(g, SSD2119_REG_H_RAM_START, (g->p.y & 0x01FF)); + write_reg(g, SSD2119_REG_H_RAM_END, (g->p.y + g->p.cy - 1) & 0x01FF); break; case GDISP_ROTATE_180: - write_reg(SSD2119_REG_V_RAM_POS, (((GDISP_SCREEN_HEIGHT - g->p.y - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_HEIGHT - (g->p.y + g->p.cy)) & 0x00FF)); - write_reg(SSD2119_REG_H_RAM_START, (GDISP_SCREEN_WIDTH - (g->p.x + g->p.cx)) & 0x01FF); - write_reg(SSD2119_REG_H_RAM_END, (GDISP_SCREEN_WIDTH - g->p.x - 1) & 0x01FF); + write_reg(g, SSD2119_REG_V_RAM_POS, (((GDISP_SCREEN_HEIGHT-1 - g->p.y) & 0x00FF) << 8) | ((GDISP_SCREEN_HEIGHT - (g->p.y + g->p.cy)) & 0x00FF)); + write_reg(g, SSD2119_REG_H_RAM_START, (GDISP_SCREEN_WIDTH - (g->p.x + g->p.cx)) & 0x01FF); + write_reg(g, SSD2119_REG_H_RAM_END, (GDISP_SCREEN_WIDTH-1 - g->p.x) & 0x01FF); break; case GDISP_ROTATE_270: - write_reg(SSD2119_REG_V_RAM_POS, (((g->p.x + g->p.cx - 1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF)); - write_reg(SSD2119_REG_H_RAM_START, (g->p.y & 0x01FF)); - write_reg(SSD2119_REG_H_RAM_END, (g->p.y + g->p.cy - 1) & 0x01FF); + write_reg(g, SSD2119_REG_V_RAM_POS, (((g->p.x + g->p.cx - 1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF)); + write_reg(g, SSD2119_REG_H_RAM_START, (GDISP_SCREEN_WIDTH - (g->p.y + g->p.cy)) & 0x01FF); + write_reg(g, SSD2119_REG_H_RAM_END, (GDISP_SCREEN_WIDTH-1 - g->p.y) & 0x01FF); break; } - - set_cursor(g->p.x, g->p.y); -} - -static inline void reset_viewport(GDisplay* g) { - set_viewport(0, 0, g->g.Width, g->g.Height); } /*===========================================================================*/ @@ -129,7 +119,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) { g->priv = 0; // initialise the board interface - init_board(); + init_board(g); // Hardware reset setpin_reset(g, TRUE); @@ -223,20 +213,22 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) { write_reg(g, SSD2119_REG_Y_RAM_ADDR, 0x00); gfxSleepMicroseconds(5); - // Release the bus + // Finish Init + post_init_board(g); + + // Release the bus release_bus(g); - // Turn on the backlight + /* Turn on the back-light */ set_backlight(g, GDISP_INITIAL_BACKLIGHT); - // Initialise the GDISP structure + /* Initialise the GDISP structure */ g->g.Width = GDISP_SCREEN_WIDTH; g->g.Height = GDISP_SCREEN_HEIGHT; g->g.Orientation = GDISP_ROTATE_0; g->g.Powermode = powerOn; g->g.Backlight = GDISP_INITIAL_BACKLIGHT; g->g.Contrast = GDISP_INITIAL_CONTRAST; - return TRUE; } @@ -261,14 +253,14 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) { acquire_bus(g); set_viewport(g); set_cursor(g); - set_readmode(g); + setreadmode(g); dummy_read(g); } LLDSPEC color_t gdisp_lld_read_color(GDisplay* g) { return read_data(g); } LLDSPEC void gdisp_lld_read_stop(GDisplay* g) { - set_writemode(g); + setwritemode(g); release_bus(g); } #endif @@ -278,7 +270,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) { acquire_bus(g); set_viewport(g); set_cursor(g); - dma_with_noinc(g, &color, g->p.cx * g->p.cy); + dma_with_noinc(g, &g->p.color, g->p.cx * g->p.cy); release_bus(g); } #endif @@ -306,450 +298,104 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) { #endif #if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL - LLDSPEC void gdisp_lld_control(GDisplay* g) { - // .... - } -#endif - - -//////////////////////// OLD STUFF FROM HERE //////////////////////////////////////////////////// - -void gdisp_lld_draw_pixel(coord_t x, coord_t y, color_t color) { - #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP - if (x < GDISP.clipx0 || y < GDISP.clipy0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return; - #endif - - acquire_bus(); - set_cursor(x, y); - write_reg(SSD2119_REG_RAM_DATA, color); - release_bus(); -} - -/* ---- Optional Routines ---- */ -/* - All the below routines are optional. - Defining them will increase speed but everything - will work if they are not defined. - If you are not using a routine - turn it off using - the appropriate GDISP_HARDWARE_XXXX macro. - Don't bother coding for obvious similar routines if - there is no performance penalty as the emulation software - makes a good job of using similar routines. - eg. If gfillarea() is defined there is little - point in defining clear() unless the - performance bonus is significant. - For good performance it is suggested to implement - fillarea() and blitarea(). -*/ - -#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__) - /** - * @brief Clear the display. - * @note Optional - The high level driver can emulate using software. - * - * @param[in] color The color of the pixel - * - * @notapi - */ - void gdisp_lld_clear(color_t color) { - unsigned area; - - area = GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; - - acquire_bus(); - reset_viewport(); - set_cursor(0, 0); - stream_start(); - - #if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) - uint8_t i; - dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color); - dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M); - for (i = area / 65535; i; i--) { - dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535); - dmaStreamEnable(GDISP_DMA_STREAM); - dmaWaitCompletion(GDISP_DMA_STREAM); - } - dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area % 65535); - dmaStreamEnable(GDISP_DMA_STREAM); - dmaWaitCompletion(GDISP_DMA_STREAM); - #else - uint32_t index; - for(index = 0; index < area; index++) - write_data(color); - #endif // defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) - - stream_stop(); - release_bus(); - } -#endif - -#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__) - /** - * @brief Fill an area with a color. - * @note Optional - The high level driver can emulate using software. - * - * @param[in] x, y The start filled area - * @param[in] cx, cy The width and height to be filled - * @param[in] color The color of the fill - * - * @notapi - */ - void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) { - unsigned area; - - #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP - if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; } - if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; } - if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return; - if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x; - if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y; - #endif - - area = cx*cy; - - acquire_bus(); - set_viewport(x, y, cx, cy); - stream_start(); - - #if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) - uint8_t i; - dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color); - dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M); - for (i = area / 65535; i; i--) { - dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535); - dmaStreamEnable(GDISP_DMA_STREAM); - dmaWaitCompletion(GDISP_DMA_STREAM); - } - dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area % 65535); - dmaStreamEnable(GDISP_DMA_STREAM); - dmaWaitCompletion(GDISP_DMA_STREAM); - #else - uint32_t index; - for(index = 0; index < area; index++) - write_data(color); - #endif // defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) - - stream_stop(); - release_bus(); - } -#endif - -#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__) - /** - * @brief Fill an area with a bitmap. - * @note Optional - The high level driver can emulate using software. - * - * @param[in] x, y The start filled area - * @param[in] cx, cy The width and height to be filled - * @param[in] srcx, srcy The bitmap position to start the fill from - * @param[in] srccx The width of a line in the bitmap. - * @param[in] buffer The pixels to use to fill the area. - * - * @notapi - */ - void gdisp_lld_blit_area_ex(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t srcx, coord_t srcy, coord_t srccx, const pixel_t *buffer) { - - #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP - if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; srcx += GDISP.clipx0 - x; x = GDISP.clipx0; } - if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; srcy += GDISP.clipy0 - y; y = GDISP.clipy0; } - if (srcx+cx > srccx) cx = srccx - srcx; - if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return; - if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x; - if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y; - #endif - - buffer += srcx + srcy * srccx; - - acquire_bus(); - set_viewport(x, y, cx, cy); - stream_start(); - - #if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) - uint32_t area = cx * cy; - uint8_t i; - dmaStreamSetPeripheral(GDISP_DMA_STREAM, buffer); - dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PINC | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M); - for (i = area / 65535; i; i--) { - dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535); - dmaStreamEnable(GDISP_DMA_STREAM); - dmaWaitCompletion(GDISP_DMA_STREAM); - } - dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area % 65535); - dmaStreamEnable(GDISP_DMA_STREAM); - dmaWaitCompletion(GDISP_DMA_STREAM); - #else - coord_t endx, endy; - uint32_t lg; - endx = srcx + cx; - endy = y + cy; - lg = srccx - cx; - for(; y < endy; y++, buffer += lg) - for(x=srcx; x < endx; x++) - write_data(*buffer++); - #endif // defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) - - stream_stop(); - release_bus(); - } -#endif - -#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__) - /** - * @brief Get the color of a particular pixel. - * @note Optional. - * @note If x,y is off the screen, the result is undefined. - * - * @param[in] x, y The pixel to be read - * - * @notapi - */ - color_t gdisp_lld_get_pixel_color(coord_t x, coord_t y) { - color_t color; - - #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP - if (x < 0 || x >= GDISP.Width || y < 0 || y >= GDISP.Height) return 0; - #endif - - acquire_bus(); - set_cursor(x, y); - stream_start(); - - color = read_data(); // dummy read - color = read_data(); - - stream_stop(); - release_bus(); - - return color; - } -#endif - -#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__) - /** - * @brief Scroll vertically a section of the screen. - * @note Optional. - * @note If x,y + cx,cy is off the screen, the result is undefined. - * @note If lines is >= cy, it is equivelent to a area fill with bgcolor. - * - * @param[in] x, y The start of the area to be scrolled - * @param[in] cx, cy The size of the area to be scrolled - * @param[in] lines The number of lines to scroll (Can be positive or negative) - * @param[in] bgcolor The color to fill the newly exposed area. - * - * @notapi - */ - void gdisp_lld_vertical_scroll(coord_t x, coord_t y, coord_t cx, coord_t cy, int lines, color_t bgcolor) { - static color_t buf[((GDISP_SCREEN_HEIGHT > GDISP_SCREEN_WIDTH ) ? GDISP_SCREEN_HEIGHT : GDISP_SCREEN_WIDTH)]; - coord_t row0, row1; - unsigned i, gap, abslines, j; - - #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP - if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; } - if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; } - if (!lines || cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return; - if (x+cx > GDISP.clipx1) cx = GDISP.clipx1 - x; - if (y+cy > GDISP.clipy1) cy = GDISP.clipy1 - y; - #endif - - abslines = lines < 0 ? -lines : lines; - - acquire_bus(); - if ((coord_t)abslines >= cy) { - abslines = cy; - gap = 0; - } else { - gap = cy - abslines; - for(i = 0; i < gap; i++) { - if(lines > 0) { - row0 = y + i + lines; - row1 = y + i; - } else { - row0 = (y - i - 1) + lines; - row1 = (y - i - 1); - } - - /* read row0 into the buffer and then write at row1*/ - set_viewport(x, row0, cx, 1); - stream_start(); - - j = read_data(); // dummy read - for (j = 0; (coord_t)j < cx; j++) - buf[j] = read_data(); - - stream_stop(); - - set_viewport(x, row1, cx, 1); - stream_start(); - for (j = 0; (coord_t)j < cx; j++) - write_data(buf[j]); - stream_stop(); - } - } - - /* fill the remaining gap */ - set_viewport(x, lines > 0 ? (y+(coord_t)gap) : y, cx, abslines); - stream_start(); - gap = cx*abslines; - for(i = 0; i < gap; i++) write_data(bgcolor); - stream_stop(); - release_bus(); - } -#endif - -#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__) - /** - * @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. - * @note GDISP_CONTROL_POWER - Takes a gdisp_powermode_t - * GDISP_CONTROL_ORIENTATION - Takes a gdisp_orientation_t - * GDISP_CONTROL_BACKLIGHT - Takes an int from 0 to 100. For a driver - * that only supports off/on anything other - * than zero is on. - * - * @param[in] what What to do. - * @param[in] value The value to use (always cast to a void *). - * - * @notapi - */ - void gdisp_lld_control(unsigned what, void *value) { - switch(what) { - 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(); - gfxSleepMilliseconds(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(); - gfxSleepMilliseconds(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); - gfxSleepMilliseconds(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); - gfxSleepMilliseconds(25); - break; - - default: - return; - } - GDISP.Powermode = (gdisp_powermode_t)value; + LLDSPEC void gdisp_lld_control(GDisplay *g) { + switch(g->p.x) { + case GDISP_CONTROL_POWER: + if (g->g.Powermode == (powermode_t)g->p.ptr) return; - - case GDISP_CONTROL_ORIENTATION: - if (GDISP.Orientation == (gdisp_orientation_t)value) - return; - switch((gdisp_orientation_t)value) { - case GDISP_ROTATE_0: - acquire_bus(); - /* TB = 0 */ - write_reg(SSD2119_REG_OUTPUT_CTRL, 0x30EF); - /* ID = 11 AM = 0 */ - write_reg(SSD2119_REG_ENTRY_MODE, 0x6830); - release_bus(); - GDISP.Height = GDISP_SCREEN_HEIGHT; - GDISP.Width = GDISP_SCREEN_WIDTH; - break; - - case GDISP_ROTATE_90: - acquire_bus(); - /* TB = 1 */ - write_reg(SSD2119_REG_OUTPUT_CTRL, 0x32EF); - /* ID = 10 AM = 1 */ - write_reg(SSD2119_REG_ENTRY_MODE, 0x6828); - release_bus(); - GDISP.Height = GDISP_SCREEN_WIDTH; - GDISP.Width = GDISP_SCREEN_HEIGHT; - break; - - case GDISP_ROTATE_180: - acquire_bus(); - /* TB = 0 */ - write_reg(SSD2119_REG_OUTPUT_CTRL, 0x30EF); - /* ID = 00 AM = 0 */ - write_reg(SSD2119_REG_ENTRY_MODE, 0x6800); - release_bus(); - GDISP.Height = GDISP_SCREEN_HEIGHT; - GDISP.Width = GDISP_SCREEN_WIDTH; - break; - - case GDISP_ROTATE_270: - acquire_bus(); - /* TB = 1 */ - write_reg(SSD2119_REG_OUTPUT_CTRL, 0x32EF); - /* ID = 01 AM = 1 */ - write_reg(SSD2119_REG_ENTRY_MODE, 0x6818); - 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 - g->g.Orientation = (orientation_t)g->p.ptr; + switch((powermode_t)g->p.ptr) { + case powerOff: + case powerDeepSleep: + acquire_bus(g); + write_reg(g, SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode + write_reg(g, SSD2119_REG_SLEEP_MODE_2, 0x2999); // Enable deep sleep function + write_reg(g, SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off + if ((powermode_t)g->p.ptr == powerOff) + write_reg(g, SSD2119_REG_OSC_START, 0x0000); // Turn off oscillator + release_bus(g); + set_backlight(g, 0); + break; + case powerSleep: + acquire_bus(g); + write_reg(g, SSD2119_REG_SLEEP_MODE_1, 0x0001); // Enter sleep mode + write_reg(g, SSD2119_REG_DISPLAY_CTRL, 0x0000); // Display off + release_bus(g); + set_backlight(g, 0); + break; + case powerOn: + acquire_bus(g); + if (g->g.Powermode == powerOff) { + write_reg(g, SSD2119_REG_OSC_START, 0x0001); // Start the oscillator + gfxSleepMicroseconds(5); + write_reg(g, SSD2119_REG_SLEEP_MODE_2, 0x0999); // Disable deep sleep function + } else if (g->g.Powermode == powerDeepSleep) + write_reg(g, SSD2119_REG_SLEEP_MODE_2, 0x0999); // Disable deep sleep function + write_reg(g, SSD2119_REG_SLEEP_MODE_1, 0x0000); // Leave sleep mode + write_reg(g, SSD2119_REG_DISPLAY_CTRL, 0x0033); // Display on + release_bus(g); + gfxSleepMicroseconds(25); + set_backlight(g, g->g.Backlight); + break; + default: return; + } + g->g.Powermode = (powermode_t)g->p.ptr; + return; - case GDISP_CONTROL_BACKLIGHT: - if ((unsigned)value > 100) - value = (void *)100; - set_backlight((unsigned)value); - GDISP.Backlight = (unsigned)value; + case GDISP_CONTROL_ORIENTATION: + if (g->g.Orientation == (orientation_t)g->p.ptr) return; - + switch((orientation_t)g->p.ptr) { + case GDISP_ROTATE_0: + acquire_bus(g); + /* ID = 11 AM = 0 */ + write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6830); + release_bus(g); + g->g.Height = GDISP_SCREEN_HEIGHT; + g->g.Width = GDISP_SCREEN_WIDTH; + break; + case GDISP_ROTATE_90: + acquire_bus(g); + /* ID = 01 AM = 1 */ + write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6818); + release_bus(g); + g->g.Height = GDISP_SCREEN_WIDTH; + g->g.Width = GDISP_SCREEN_HEIGHT; + break; + case GDISP_ROTATE_180: + acquire_bus(g); + /* ID = 00 AM = 0 */ + write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6800); + release_bus(g); + g->g.Height = GDISP_SCREEN_HEIGHT; + g->g.Width = GDISP_SCREEN_WIDTH; + break; + case GDISP_ROTATE_270: + acquire_bus(g); + /* ID = 10 AM = 1 */ + write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6828); + release_bus(g); + g->g.Height = GDISP_SCREEN_WIDTH; + g->g.Width = GDISP_SCREEN_HEIGHT; + break; default: return; + } + g->g.Orientation = (orientation_t)g->p.ptr; + return; + + case GDISP_CONTROL_BACKLIGHT: + if ((unsigned)g->p.ptr > 100) + g->p.ptr = (void *)100; + set_backlight(g, (unsigned)g->p.ptr); + g->g.Backlight = (unsigned)g->p.ptr; + return; + + //case GDISP_CONTROL_CONTRAST: + default: + return; } } #endif #endif /* GFX_USE_GDISP */ -/** @} */ |