From f14ed21d5d5c8e4eb09b37f40d58d1b0ee2c2432 Mon Sep 17 00:00:00 2001 From: Joel Bodenmann Date: Tue, 4 Jun 2013 00:34:47 +0200 Subject: SSD1289 update by user Eddie --- drivers/gdisp/SSD1289/gdisp_lld.c | 1215 +++++++++++--------- .../SSD1289/gdisp_lld_board_st_stm32f4_discovery.h | 172 +++ drivers/gdisp/SSD1289/readme.txt | 1 + 3 files changed, 820 insertions(+), 568 deletions(-) create mode 100644 drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h (limited to 'drivers/gdisp/SSD1289') diff --git a/drivers/gdisp/SSD1289/gdisp_lld.c b/drivers/gdisp/SSD1289/gdisp_lld.c index 7b603520..39795362 100644 --- a/drivers/gdisp/SSD1289/gdisp_lld.c +++ b/drivers/gdisp/SSD1289/gdisp_lld.c @@ -1,568 +1,647 @@ -/* - * This file is subject to the terms of the GFX License, v1.0. If a copy of - * the license was not distributed with this file, you can obtain one at: - * - * http://chibios-gfx.com/license.html - */ - -/** - * @file drivers/gdisp/SSD1289/gdisp_lld.c - * @brief GDISP Graphics Driver subsystem low level driver source for the SSD1289 display. - * - * @addtogroup GDISP - * @{ - */ - -#include "gfx.h" - -#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/ - -/* Include the emulation code for things we don't support */ -#include "gdisp/lld/emulation.c" - -/*===========================================================================*/ -/* Driver local definitions. */ -/*===========================================================================*/ - -#ifndef GDISP_SCREEN_HEIGHT - #define GDISP_SCREEN_HEIGHT 320 -#endif -#ifndef GDISP_SCREEN_WIDTH - #define GDISP_SCREEN_WIDTH 240 -#endif - -#define GDISP_INITIAL_CONTRAST 50 -#define GDISP_INITIAL_BACKLIGHT 100 - -/*===========================================================================*/ -/* Driver local functions. */ -/*===========================================================================*/ - -#if defined(GDISP_USE_CUSTOM_BOARD) && GDISP_USE_CUSTOM_BOARD - /* Include the user supplied board definitions */ - #include "gdisp_lld_board.h" -#elif defined(BOARD_FIREBULL_STM32_F103) - #include "gdisp_lld_board_firebullstm32f103.h" -#else - /* Include the user supplied board definitions */ - #include "gdisp_lld_board.h" -#endif - -// Some common routines and macros -#define write_reg(reg, data) { write_index(reg); write_data(data); } -#define stream_start() write_index(0x0022); -#define stream_stop() -#define delay(us) gfxSleepMicroseconds(us) -#define delayms(ms) gfxSleepMilliseconds(ms) - -static inline void set_cursor(coord_t x, coord_t y) { - /* Reg 0x004E is an 8 bit value - * Reg 0x004F is 9 bit - * Use a bit mask to make sure they are not set too high - */ - switch(GDISP.Orientation) { - case GDISP_ROTATE_180: - write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-x) & 0x00FF); - write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-y) & 0x01FF); - break; - case GDISP_ROTATE_0: - write_reg(0x004e, x & 0x00FF); - write_reg(0x004f, y & 0x01FF); - break; - case GDISP_ROTATE_270: - write_reg(0x004e, y & 0x00FF); - write_reg(0x004f, x & 0x01FF); - break; - case GDISP_ROTATE_90: - write_reg(0x004e, (GDISP_SCREEN_WIDTH - y - 1) & 0x00FF); - write_reg(0x004f, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF); - break; - } -} - -static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) { - - set_cursor(x, y); - - /* Reg 0x44 - Horizontal RAM address position - * Upper Byte - HEA - * Lower Byte - HSA - * 0 <= HSA <= HEA <= 0xEF - * Reg 0x45,0x46 - Vertical RAM address position - * Lower 9 bits gives 0-511 range in each value - * 0 <= Reg(0x45) <= Reg(0x46) <= 0x13F - */ - - switch(GDISP.Orientation) { - case GDISP_ROTATE_0: - write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF)); - write_reg(0x45, y & 0x01FF); - write_reg(0x46, (y+cy-1) & 0x01FF); - break; - case GDISP_ROTATE_270: - write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (y & 0x00FF)); - write_reg(0x45, x & 0x01FF); - write_reg(0x46, (x+cx-1) & 0x01FF); - break; - case GDISP_ROTATE_180: - write_reg(0x44, (((GDISP_SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (x+cx)) & 0x00FF)); - write_reg(0x45, (GDISP_SCREEN_HEIGHT-(y+cy)) & 0x01FF); - write_reg(0x46, (GDISP_SCREEN_HEIGHT-y-1) & 0x01FF); - break; - case GDISP_ROTATE_90: - write_reg(0x44, (((GDISP_SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (y+cy)) & 0x00FF)); - write_reg(0x45, (GDISP_SCREEN_HEIGHT - (x+cx)) & 0x01FF); - write_reg(0x46, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF); - break; - } - - set_cursor(x, y); -} - -static inline void reset_viewport(void) { - set_viewport(0, 0, GDISP.Width, GDISP.Height); -} - -/*===========================================================================*/ -/* Driver interrupt handlers. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver exported functions. */ -/*===========================================================================*/ - -/* ---- Required Routines ---- */ -/* - The following 2 routines are required. - All other routines are optional. -*/ - -/** - * @brief Low level GDISP driver initialization. - * - * @notapi - */ -bool_t gdisp_lld_init(void) { - /* Initialise your display */ - init_board(); - - // Hardware reset - setpin_reset(TRUE); - delayms(20); - setpin_reset(FALSE); - delayms(20); - - // Get the bus for the following initialisation commands - acquire_bus(); - - write_reg(0x0000,0x0001); delay(5); - write_reg(0x0003,0xA8A4); delay(5); - write_reg(0x000C,0x0000); delay(5); - write_reg(0x000D,0x080C); delay(5); - write_reg(0x000E,0x2B00); delay(5); - write_reg(0x001E,0x00B0); delay(5); - write_reg(0x0001,0x2B3F); delay(5); - write_reg(0x0002,0x0600); delay(5); - write_reg(0x0010,0x0000); delay(5); - write_reg(0x0011,0x6070); delay(5); - write_reg(0x0005,0x0000); delay(5); - write_reg(0x0006,0x0000); delay(5); - write_reg(0x0016,0xEF1C); delay(5); - write_reg(0x0017,0x0003); delay(5); - write_reg(0x0007,0x0133); delay(5); - write_reg(0x000B,0x0000); delay(5); - write_reg(0x000F,0x0000); delay(5); - write_reg(0x0041,0x0000); delay(5); - write_reg(0x0042,0x0000); delay(5); - write_reg(0x0048,0x0000); delay(5); - write_reg(0x0049,0x013F); delay(5); - write_reg(0x004A,0x0000); delay(5); - write_reg(0x004B,0x0000); delay(5); - write_reg(0x0044,0xEF00); delay(5); - write_reg(0x0045,0x0000); delay(5); - write_reg(0x0046,0x013F); delay(5); - write_reg(0x0030,0x0707); delay(5); - write_reg(0x0031,0x0204); delay(5); - write_reg(0x0032,0x0204); delay(5); - write_reg(0x0033,0x0502); delay(5); - write_reg(0x0034,0x0507); delay(5); - write_reg(0x0035,0x0204); delay(5); - write_reg(0x0036,0x0204); delay(5); - write_reg(0x0037,0x0502); delay(5); - write_reg(0x003A,0x0302); delay(5); - write_reg(0x003B,0x0302); delay(5); - write_reg(0x0023,0x0000); delay(5); - write_reg(0x0024,0x0000); delay(5); - write_reg(0x0025,0x8000); delay(5); - write_reg(0x004f,0x0000); delay(5); - write_reg(0x004e,0x0000); delay(5); - - // Release the bus - release_bus(); - - /* Turn on the back-light */ - set_backlight(GDISP_INITIAL_BACKLIGHT); - - /* Initialise the GDISP structure */ - GDISP.Width = GDISP_SCREEN_WIDTH; - GDISP.Height = GDISP_SCREEN_HEIGHT; - GDISP.Orientation = GDISP_ROTATE_0; - GDISP.Powermode = powerOn; - GDISP.Backlight = GDISP_INITIAL_BACKLIGHT; - GDISP.Contrast = GDISP_INITIAL_CONTRAST; - #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP - GDISP.clipx0 = 0; - GDISP.clipy0 = 0; - GDISP.clipx1 = GDISP.Width; - GDISP.clipy1 = GDISP.Height; - #endif - return TRUE; -} - -/** - * @brief Draws a pixel on the display. - * - * @param[in] x X location of the pixel - * @param[in] y Y location of the pixel - * @param[in] color The color of the pixel - * - * @notapi - */ -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(0x0022, 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 i; - - acquire_bus(); - reset_viewport(); - set_cursor(0, 0); - stream_start(); - for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++) - write_data(color); - 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 i, 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(); - for(i = 0; i < area; i++) - write_data(color); - 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) { - coord_t endx, endy; - unsigned lg; - - #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 - - acquire_bus(); - set_viewport(x, y, cx, cy); - stream_start(); - - endx = srcx + cx; - endy = y + cy; - lg = srccx - cx; - buffer += srcx + srcy * srccx; - for(; y < endy; y++, buffer += lg) - for(x=srcx; x < endx; x++) - write_data(*buffer++); - 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. - * 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 *). - * - * @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(0x0010, 0x0000); // leave sleep mode - write_reg(0x0007, 0x0000); // halt operation - write_reg(0x0000, 0x0000); // turn off oszillator - write_reg(0x0010, 0x0001); // enter sleepmode - release_bus(); - break; - case powerOn: - acquire_bus(); - write_reg(0x0010, 0x0000); // leave sleep mode - release_bus(); - if (GDISP.Powermode != powerSleep) - gdisp_lld_init(); - break; - case powerSleep: - acquire_bus(); - write_reg(0x0010, 0x0001); // enter sleep mode - release_bus(); - break; - default: - return; - } - GDISP.Powermode = (gdisp_powermode_t)value; - return; - 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; -/* - case GDISP_CONTROL_BACKLIGHT: - case GDISP_CONTROL_CONTRAST: -*/ - } - } -#endif - -#endif /* GFX_USE_GDISP */ -/** @} */ +/* + * This file is subject to the terms of the GFX License, v1.0. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://chibios-gfx.com/license.html + */ + +/** + * @file drivers/gdisp/SSD1289/gdisp_lld.c + * @brief GDISP Graphics Driver subsystem low level driver source for the SSD1289 display. + * + * @addtogroup GDISP + * @{ + */ + +#include "gfx.h" + +#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/ + +/* Include the emulation code for things we don't support */ +#include "gdisp/lld/emulation.c" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +#ifndef GDISP_SCREEN_HEIGHT + #define GDISP_SCREEN_HEIGHT 320 +#endif +#ifndef GDISP_SCREEN_WIDTH + #define GDISP_SCREEN_WIDTH 240 +#endif + +#define GDISP_INITIAL_CONTRAST 50 +#define GDISP_INITIAL_BACKLIGHT 100 + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +#if defined(GDISP_USE_CUSTOM_BOARD) && GDISP_USE_CUSTOM_BOARD + /* Include the user supplied board definitions */ + #include "gdisp_lld_board.h" +#elif defined(BOARD_FIREBULL_STM32_F103) + #include "gdisp_lld_board_firebullstm32f103.h" +#elif defined(BOARD_ST_STM32F4_DISCOVERY) + #include "gdisp_lld_board_st_stm32f4_discovery.h" +#else + /* Include the user supplied board definitions */ + #include "gdisp_lld_board.h" +#endif + +// Some common routines and macros +#define write_reg(reg, data) { write_index(reg); write_data(data); } +#define stream_start() write_index(0x0022); +#define stream_stop() +#define delay(us) gfxSleepMicroseconds(us) +#define delayms(ms) gfxSleepMilliseconds(ms) + +static inline void set_cursor(coord_t x, coord_t y) { + /* Reg 0x004E is an 8 bit value + * Reg 0x004F is 9 bit + * Use a bit mask to make sure they are not set too high + */ + switch(GDISP.Orientation) { + case GDISP_ROTATE_180: + write_reg(0x004e, (GDISP_SCREEN_WIDTH-1-x) & 0x00FF); + write_reg(0x004f, (GDISP_SCREEN_HEIGHT-1-y) & 0x01FF); + break; + case GDISP_ROTATE_0: + write_reg(0x004e, x & 0x00FF); + write_reg(0x004f, y & 0x01FF); + break; + case GDISP_ROTATE_270: + write_reg(0x004e, y & 0x00FF); + write_reg(0x004f, x & 0x01FF); + break; + case GDISP_ROTATE_90: + write_reg(0x004e, (GDISP_SCREEN_WIDTH - y - 1) & 0x00FF); + write_reg(0x004f, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF); + break; + } +} + +static void set_viewport(coord_t x, coord_t y, coord_t cx, coord_t cy) { + + //set_cursor(x, y); + + /* Reg 0x44 - Horizontal RAM address position + * Upper Byte - HEA + * Lower Byte - HSA + * 0 <= HSA <= HEA <= 0xEF + * Reg 0x45,0x46 - Vertical RAM address position + * Lower 9 bits gives 0-511 range in each value + * 0 <= Reg(0x45) <= Reg(0x46) <= 0x13F + */ + + switch(GDISP.Orientation) { + case GDISP_ROTATE_0: + write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (x & 0x00FF)); + write_reg(0x45, y & 0x01FF); + write_reg(0x46, (y+cy-1) & 0x01FF); + break; + case GDISP_ROTATE_270: + write_reg(0x44, (((x+cx-1) << 8) & 0xFF00 ) | (y & 0x00FF)); + write_reg(0x45, x & 0x01FF); + write_reg(0x46, (x+cx-1) & 0x01FF); + break; + case GDISP_ROTATE_180: + write_reg(0x44, (((GDISP_SCREEN_WIDTH-x-1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (x+cx)) & 0x00FF)); + write_reg(0x45, (GDISP_SCREEN_HEIGHT-(y+cy)) & 0x01FF); + write_reg(0x46, (GDISP_SCREEN_HEIGHT-y-1) & 0x01FF); + break; + case GDISP_ROTATE_90: + write_reg(0x44, (((GDISP_SCREEN_WIDTH - y - 1) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (y+cy)) & 0x00FF)); + write_reg(0x45, (GDISP_SCREEN_HEIGHT - (x+cx)) & 0x01FF); + write_reg(0x46, (GDISP_SCREEN_HEIGHT - x - 1) & 0x01FF); + break; + } + + set_cursor(x, y); +} + +static inline void reset_viewport(void) { + set_viewport(0, 0, GDISP.Width, GDISP.Height); +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/* ---- Required Routines ---- */ +/* + The following 2 routines are required. + All other routines are optional. +*/ + +/** + * @brief Low level GDISP driver initialization. + * + * @notapi + */ +bool_t gdisp_lld_init(void) { + /* Initialise your display */ + init_board(); + + // Hardware reset + setpin_reset(TRUE); + delayms(20); + setpin_reset(FALSE); + delayms(20); + + // Get the bus for the following initialisation commands + acquire_bus(); + + write_reg(0x0000,0x0001); delay(5); + write_reg(0x0003,0xA8A4); delay(5); + write_reg(0x000C,0x0000); delay(5); + write_reg(0x000D,0x080C); delay(5); + write_reg(0x000E,0x2B00); delay(5); + write_reg(0x001E,0x00B0); delay(5); + write_reg(0x0001,0x2B3F); delay(5); + write_reg(0x0002,0x0600); delay(5); + write_reg(0x0010,0x0000); delay(5); + write_reg(0x0011,0x6070); delay(5); + write_reg(0x0005,0x0000); delay(5); + write_reg(0x0006,0x0000); delay(5); + write_reg(0x0016,0xEF1C); delay(5); + write_reg(0x0017,0x0003); delay(5); + write_reg(0x0007,0x0133); delay(5); + write_reg(0x000B,0x0000); delay(5); + write_reg(0x000F,0x0000); delay(5); + write_reg(0x0041,0x0000); delay(5); + write_reg(0x0042,0x0000); delay(5); + write_reg(0x0048,0x0000); delay(5); + write_reg(0x0049,0x013F); delay(5); + write_reg(0x004A,0x0000); delay(5); + write_reg(0x004B,0x0000); delay(5); + write_reg(0x0044,0xEF00); delay(5); + write_reg(0x0045,0x0000); delay(5); + write_reg(0x0046,0x013F); delay(5); + write_reg(0x0030,0x0707); delay(5); + write_reg(0x0031,0x0204); delay(5); + write_reg(0x0032,0x0204); delay(5); + write_reg(0x0033,0x0502); delay(5); + write_reg(0x0034,0x0507); delay(5); + write_reg(0x0035,0x0204); delay(5); + write_reg(0x0036,0x0204); delay(5); + write_reg(0x0037,0x0502); delay(5); + write_reg(0x003A,0x0302); delay(5); + write_reg(0x003B,0x0302); delay(5); + write_reg(0x0023,0x0000); delay(5); + write_reg(0x0024,0x0000); delay(5); + write_reg(0x0025,0x8000); delay(5); + write_reg(0x004f,0x0000); delay(5); + write_reg(0x004e,0x0000); delay(5); + + // Release the bus + release_bus(); + + /* Turn on the back-light */ + set_backlight(GDISP_INITIAL_BACKLIGHT); + + /* Initialise the GDISP structure */ + GDISP.Width = GDISP_SCREEN_WIDTH; + GDISP.Height = GDISP_SCREEN_HEIGHT; + GDISP.Orientation = GDISP_ROTATE_0; + GDISP.Powermode = powerOn; + GDISP.Backlight = GDISP_INITIAL_BACKLIGHT; + GDISP.Contrast = GDISP_INITIAL_CONTRAST; + #if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP + GDISP.clipx0 = 0; + GDISP.clipy0 = 0; + GDISP.clipx1 = GDISP.Width; + GDISP.clipy1 = GDISP.Height; + #endif + return TRUE; +} + +/** + * @brief Draws a pixel on the display. + * + * @param[in] x X location of the pixel + * @param[in] y Y location of the pixel + * @param[in] color The color of the pixel + * + * @notapi + */ +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(0x0022, 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 //#ifdef GDISP_USE_DMA + + 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 //#ifdef GDISP_USE_DMA + + 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 //#ifdef GDISP_USE_DMA + + 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(); + + /* FSMC timing */ + FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_3 | FSMC_BTR1_DATAST_3 | FSMC_BTR1_BUSTURN_0 ; + + color = read_data(); // dummy read + color = read_data(); + + /* FSMC timing */ + FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ; + + 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(); + + /* FSMC timing */ + FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_3 | FSMC_BTR1_DATAST_3 | FSMC_BTR1_BUSTURN_0 ; + + j = read_data(); // dummy read + for (j = 0; (coord_t)j < cx; j++) + buf[j] = read_data(); + + /* FSMC timing */ + FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ; + + 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. + * 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 *). + * + * @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(0x0010, 0x0000); // leave sleep mode + write_reg(0x0007, 0x0000); // halt operation + write_reg(0x0000, 0x0000); // turn off oszillator + write_reg(0x0010, 0x0001); // enter sleepmode + release_bus(); + break; + case powerOn: + acquire_bus(); + write_reg(0x0010, 0x0000); // leave sleep mode + release_bus(); + if (GDISP.Powermode != powerSleep) + gdisp_lld_init(); + break; + case powerSleep: + acquire_bus(); + write_reg(0x0010, 0x0001); // enter sleep mode + release_bus(); + break; + default: + return; + } + GDISP.Powermode = (gdisp_powermode_t)value; + return; + 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; + case GDISP_CONTROL_BACKLIGHT: + if ((unsigned)value > 100) + value = (void *)100; + set_backlight((unsigned)value); + GDISP.Backlight = (unsigned)value; + return; + default: + return; +/* + case GDISP_CONTROL_CONTRAST: +*/ + } + } +#endif + +#endif /* GFX_USE_GDISP */ +/** @} */ diff --git a/drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h b/drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h new file mode 100644 index 00000000..292fa177 --- /dev/null +++ b/drivers/gdisp/SSD1289/gdisp_lld_board_st_stm32f4_discovery.h @@ -0,0 +1,172 @@ +/* + * This file is subject to the terms of the GFX License, v1.0. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://chibios-gfx.com/license.html + */ + +/** + * @file drivers/gdisp/SSD1289/gdisp_lld_board_example_fsmc.h + * @brief GDISP Graphic Driver subsystem board interface for the SSD1289 display. + * + * @addtogroup GDISP + * @{ + */ + +#ifndef _GDISP_LLD_BOARD_H +#define _GDISP_LLD_BOARD_H + +#define GDISP_REG ((volatile uint16_t *) 0x60000000)[0] /* RS = 0 */ +#define GDISP_RAM ((volatile uint16_t *) 0x60020000)[0] /* RS = 1 */ + +#define GDISP_USE_FSMC +#define GDISP_USE_DMA +#define GDISP_DMA_STREAM STM32_DMA2_STREAM6 + +const unsigned char FSMC_Bank = 0; + +/* PWM configuration structure. We use timer 3 channel 3 */ +static const PWMConfig pwmcfg = { + 100000, /* 100 kHz PWM clock frequency. */ + 100, /* PWM period is 100 cycles. */ + NULL, + { + {PWM_OUTPUT_DISABLED, NULL}, + {PWM_OUTPUT_DISABLED, NULL}, + {PWM_OUTPUT_ACTIVE_HIGH, NULL}, + {PWM_OUTPUT_DISABLED, NULL} + }, + 0 +}; + +/** + * @brief Initialise the board for the display. + * @notes Performs the following functions: + * 1. initialise the io port used by your display + * 2. initialise the reset pin (initial state not-in-reset) + * 3. initialise the chip select pin (initial state not-active) + * 4. initialise the backlight pin (initial state back-light off) + * + * @notapi + */ +static inline void init_board(void) { + + #if defined(STM32F1XX) || defined(STM32F3XX) + /* FSMC setup for F1/F3 */ + rccEnableAHB(RCC_AHBENR_FSMCEN, 0); + + #if defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) + #error "DMA not implemented for F1/F3 Devices" + #endif + #elif defined(STM32F4XX) || defined(STM32F2XX) + /* STM32F2-F4 FSMC init */ + rccEnableAHB3(RCC_AHB3ENR_FSMCEN, 0); + + #if defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM) + if (dmaStreamAllocate(GDISP_DMA_STREAM, 0, NULL, NULL)) gfxExit(); + dmaStreamSetMemory0(GDISP_DMA_STREAM, &GDISP_RAM); + dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M); + #endif + #else + #error "FSMC not implemented for this device" + #endif + + /* set pins to FSMC mode */ + IOBus busD = {GPIOD, (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 7) | (1 << 8) | + (1 << 9) | (1 << 10) | (1 << 11) | (1 << 14) | (1 << 15), 0}; + + IOBus busE = {GPIOE, (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) | + (1 << 13) | (1 << 14) | (1 << 15), 0}; + + palSetBusMode(&busD, PAL_MODE_ALTERNATE(12)); + palSetBusMode(&busE, PAL_MODE_ALTERNATE(12)); + + /* FSMC timing */ + FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ; + + /* Bank1 NOR/SRAM control register configuration + * This is actually not needed as already set by default after reset */ + FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN; + + /* Display backlight control */ + /* TIM3 is an alternate function 2 (AF2) */ + pwmStart(&PWMD3, &pwmcfg); + palSetPadMode(GPIOB, 0, PAL_MODE_ALTERNATE(2)); + pwmEnableChannel(&PWMD3, 2, 100); + +} + +/** + * @brief Set or clear the lcd reset pin. + * + * @param[in] state TRUE = lcd in reset, FALSE = normal operation + * + * @notapi + */ +static inline void setpin_reset(bool_t state) { + (void) state; + /* Nothing to do here */ +} + +/** + * @brief Set the lcd back-light level. + * + * @param[in] percent 0 to 100% + * + * @notapi + */ +static inline void set_backlight(uint8_t percent) { + pwmEnableChannel(&PWMD3, 2, percent); +} + +/** + * @brief Take exclusive control of the bus + * + * @notapi + */ +static inline void acquire_bus(void) { + /* Nothing to do here */ +} + +/** + * @brief Release exclusive control of the bus + * + * @notapi + */ +static inline void release_bus(void) { + /* Nothing to do here */ +} + +/** + * @brief Send data to the index register. + * + * @param[in] index The index register to set + * + * @notapi + */ +static inline void write_index(uint16_t index) { GDISP_REG = index; } + +/** + * @brief Send data to the lcd. + * + * @param[in] data The data to send + * + * @notapi + */ +static inline void write_data(uint16_t data) { GDISP_RAM = data; } + +#if GDISP_HARDWARE_READPIXEL || GDISP_HARDWARE_SCROLL || defined(__DOXYGEN__) +/** + * @brief Read data from the lcd. + * + * @return The data from the lcd + * @note The chip select may need to be asserted/de-asserted + * around the actual spi read + * + * @notapi + */ +static inline uint16_t read_data(void) { return GDISP_RAM; } +#endif + +#endif /* _GDISP_LLD_BOARD_H */ +/** @} */ diff --git a/drivers/gdisp/SSD1289/readme.txt b/drivers/gdisp/SSD1289/readme.txt index b160abbe..f6b265a7 100644 --- a/drivers/gdisp/SSD1289/readme.txt +++ b/drivers/gdisp/SSD1289/readme.txt @@ -10,6 +10,7 @@ To use this driver: Use the gdisp_lld_board_example.h or gdisp_lld_board_fsmc.h file as a basis. Currently known boards are: BOARD_FIREBULL_STM32_F103 - GPIO interface: requires GDISP_CMD_PORT and GDISP_DATA_PORT to be defined + BOARD_ST_STM32F4_DISCOVERY - FSMC interface d) The following are optional - define them if you are not using the defaults below: #define GDISP_SCREEN_WIDTH 320 -- cgit v1.2.3