diff options
Diffstat (limited to 'drivers/gdisp/ILI9325/gdisp_lld.c')
-rw-r--r-- | drivers/gdisp/ILI9325/gdisp_lld.c | 1160 |
1 files changed, 580 insertions, 580 deletions
diff --git a/drivers/gdisp/ILI9325/gdisp_lld.c b/drivers/gdisp/ILI9325/gdisp_lld.c index e9500cc5..187c54c6 100644 --- a/drivers/gdisp/ILI9325/gdisp_lld.c +++ b/drivers/gdisp/ILI9325/gdisp_lld.c @@ -1,580 +1,580 @@ -/*
- ChibiOS/GFX - Copyright (C) 2012
- Joel Bodenmann aka Tectu <joel@unormal.org>
-
- This file is part of ChibiOS/GFX.
-
- ChibiOS/GFX is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/GFX is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file drivers/gdisp/ILI9325/gdisp_lld.c
- * @brief GDISP Graphics Driver subsystem low level driver source for the ILI9325 display.
- *
- * @addtogroup GDISP
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-#include "gfx.h"
-
-#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/
-
-/* Include the emulation code for things we don't support */
-#include "gdisp/lld/emulation.c"
-
-#if defined(GDISP_USE_CUSTOM_BOARD) && GDISP_USE_CUSTOM_BOARD
- /* Include the user supplied board definitions */
- #include "gdisp_lld_board.h"
-#elif defined(BOARD_HY_STM32_100P)
- #include "gdisp_lld_board_hy_stm32_100p.h"
-#else
- #include "gdisp_lld_board.h"
-#endif
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/* This controller is only ever used with a 240 x 320 display */
-#if defined(GDISP_SCREEN_HEIGHT)
- #warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
- #undef GDISP_SCREEN_HEIGHT
-#endif
-#if defined(GDISP_SCREEN_WIDTH)
- #warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
- #undef GDISP_SCREEN_WIDTH
-#endif
-
-#define GDISP_SCREEN_WIDTH 240
-#define GDISP_SCREEN_HEIGHT 320
-
-#define GDISP_INITIAL_CONTRAST 50
-#define GDISP_INITIAL_BACKLIGHT 100
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables. */
-/*===========================================================================*/
-uint32_t DISPLAY_CODE;
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-static __inline void lld_lcdDelay(uint16_t us) {
- chThdSleepMicroseconds(us);
-}
-
-static __inline void lld_lcdWriteIndex(uint16_t index) {
- lld_gdisp_write_index(index);
-}
-
-static __inline void lld_lcdWriteData(uint16_t data) {
- lld_gdisp_write_data(data);
-}
-
-static __inline void lld_lcdWriteReg(uint16_t lcdReg, uint16_t lcdRegValue) {
- lld_gdisp_write_index(lcdReg);
- lld_gdisp_write_data(lcdRegValue);
-}
-
-static __inline uint16_t lld_lcdReadData(void) {
- /* fix this! */
- //return lld_gdisp_read_data;
- return GDISP_RAM;
-}
-
-static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) {
- volatile uint16_t dummy;
-
- lld_gdisp_write_index(lcdReg);
- dummy = lld_lcdReadData();
- (void)dummy;
-
- return lld_lcdReadData();
-}
-
-static __inline void lld_lcdWriteStreamStart(void) {
- lld_lcdWriteIndex(0x0022);
-}
-
-static __inline void lld_lcdWriteStreamStop(void) {
-
-}
-
-static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) {
- uint16_t i;
-
- for(i = 0; i < size; i++)
- lld_lcdWriteData(buffer[i]);
-}
-
-static __inline void lld_lcdReadStreamStart(void) {
- lld_lcdWriteIndex(0x0022);
-}
-
-static __inline void lld_lcdReadStreamStop(void) {
-
-}
-
-static __inline void lld_lcdReadStream(uint16_t *buffer, size_t size) {
- uint16_t i;
- volatile uint16_t dummy;
-
- dummy = lld_lcdReadData();
- (void)dummy;
-
- for(i = 0; i < size; i++)
- buffer[i] = lld_lcdReadData();
-}
-
-bool_t lld_gdisp_init(void) {
- /* Initialise your display */
- lld_gdisp_init_board();
-
- /* Hardware reset */
- lld_gdisp_reset_pin(TRUE);
- lld_lcdDelay(1000);
- lld_gdisp_reset_pin(FALSE);
- lld_lcdDelay(1000);
-
- // chinese code starts here
- lld_lcdWriteReg(0x0000,0x0001);
- lld_lcdDelay(10);
-
- lld_lcdWriteReg(0x0015,0x0030);
- lld_lcdWriteReg(0x0011,0x0040);
- lld_lcdWriteReg(0x0010,0x1628);
- lld_lcdWriteReg(0x0012,0x0000);
- lld_lcdWriteReg(0x0013,0x104d);
- lld_lcdDelay(10);
- lld_lcdWriteReg(0x0012,0x0010);
- lld_lcdDelay(10);
- lld_lcdWriteReg(0x0010,0x2620);
- lld_lcdWriteReg(0x0013,0x344d); //304d
- lld_lcdDelay(10);
-
- lld_lcdWriteReg(0x0001,0x0100);
- lld_lcdWriteReg(0x0002,0x0300);
- lld_lcdWriteReg(0x0003,0x1038);//0x1030
- lld_lcdWriteReg(0x0008,0x0604);
- lld_lcdWriteReg(0x0009,0x0000);
- lld_lcdWriteReg(0x000A,0x0008);
-
- lld_lcdWriteReg(0x0041,0x0002);
- lld_lcdWriteReg(0x0060,0x2700);
- lld_lcdWriteReg(0x0061,0x0001);
- lld_lcdWriteReg(0x0090,0x0182);
- lld_lcdWriteReg(0x0093,0x0001);
- lld_lcdWriteReg(0x00a3,0x0010);
- lld_lcdDelay(10);
-
- //################# void Gamma_Set(void) ####################//
- lld_lcdWriteReg(0x30,0x0000);
- lld_lcdWriteReg(0x31,0x0502);
- lld_lcdWriteReg(0x32,0x0307);
- lld_lcdWriteReg(0x33,0x0305);
- lld_lcdWriteReg(0x34,0x0004);
- lld_lcdWriteReg(0x35,0x0402);
- lld_lcdWriteReg(0x36,0x0707);
- lld_lcdWriteReg(0x37,0x0503);
- lld_lcdWriteReg(0x38,0x1505);
- lld_lcdWriteReg(0x39,0x1505);
- lld_lcdDelay(10);
-
- //################## void Display_ON(void) ####################//
- lld_lcdWriteReg(0x0007,0x0001);
- lld_lcdDelay(10);
- lld_lcdWriteReg(0x0007,0x0021);
- lld_lcdWriteReg(0x0007,0x0023);
- lld_lcdDelay(10);
- lld_lcdWriteReg(0x0007,0x0033);
- lld_lcdDelay(10);
- lld_lcdWriteReg(0x0007,0x0133);
-
- // chinese code ends here
-
- // Turn on the backlight
- lld_gdisp_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;
-}
-
-static void lld_lcdSetCursor(uint16_t x, uint16_t y) {
-
- switch(GDISP.Orientation) {
- case GDISP_ROTATE_0:
- lld_lcdWriteReg(0x0020, x);
- lld_lcdWriteReg(0x0021, y);
- break;
-
- case GDISP_ROTATE_90:
- lld_lcdWriteReg(0x0020, y);
- lld_lcdWriteReg(0x0021, x);
- break;
-
- case GDISP_ROTATE_180:
- lld_lcdWriteReg(0x0020, x);
- lld_lcdWriteReg(0x0021, y);
- break;
-
- case GDISP_ROTATE_270:
- lld_lcdWriteReg(0x0020, y);
- lld_lcdWriteReg(0x0021, x);
- break;
- }
-}
-
-static void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) {
- switch(GDISP.Orientation) {
- case GDISP_ROTATE_0:
- lld_lcdWriteReg(0x0050, x);
- lld_lcdWriteReg(0x0051, x + cx - 1);
- lld_lcdWriteReg(0x0052, y);
- lld_lcdWriteReg(0x0053, y + cy - 1);
- break;
-
- case GDISP_ROTATE_90:
- lld_lcdWriteReg(0x0050, y);
- lld_lcdWriteReg(0x0051, y + cy - 1);
- lld_lcdWriteReg(0x0052, x);
- lld_lcdWriteReg(0x0053, x + cx - 1);
- break;
-
- case GDISP_ROTATE_180:
- lld_lcdWriteReg(0x0050, x);
- lld_lcdWriteReg(0x0051, x + cx - 1);
- lld_lcdWriteReg(0x0052, y);
- lld_lcdWriteReg(0x0053, y + cy - 1);
- break;
-
- case GDISP_ROTATE_270:
- lld_lcdWriteReg(0x0050, y);
- lld_lcdWriteReg(0x0051, y + cy - 1);
- lld_lcdWriteReg(0x0052, x);
- lld_lcdWriteReg(0x0053, x + cx - 1);
- break;
-
- }
-
- lld_lcdSetCursor(x, y);
-}
-
-static __inline void lld_lcdResetViewPort(void) {
- switch(GDISP.Orientation) {
- case GDISP_ROTATE_0:
- case GDISP_ROTATE_180:
- lld_lcdSetViewPort(0, 0, GDISP_SCREEN_WIDTH, GDISP_SCREEN_HEIGHT);
- break;
- case GDISP_ROTATE_90:
- case GDISP_ROTATE_270:
- lld_lcdSetViewPort(0, 0, GDISP_SCREEN_HEIGHT, GDISP_SCREEN_WIDTH);
- break;
- }
-}
-
-void lld_gdisp_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
- lld_lcdSetCursor(x, y);
- lld_lcdWriteReg(0x0022, color);
-}
-
-#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__)
- void lld_gdisp_clear(color_t color) {
- unsigned i;
-
- lld_lcdSetCursor(0, 0);
- lld_lcdWriteStreamStart();
-
- for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++)
- lld_lcdWriteData(color);
-
- lld_lcdWriteStreamStop();
- }
-#endif
-
-#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__)
- void lld_gdisp_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
- #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
-
- unsigned i, area;
-
- area = cx*cy;
- lld_lcdSetViewPort(x, y, cx, cy);
- lld_lcdWriteStreamStart();
- for(i = 0; i < area; i++)
- lld_lcdWriteData(color);
- lld_lcdWriteStreamStop();
- lld_lcdResetViewPort();
- }
-#endif
-
-#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__)
- void lld_gdisp_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
-
- lld_lcdSetViewPort(x, y, cx, cy);
- lld_lcdWriteStreamStart();
-
- 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++)
- lld_lcdWriteData(*buffer++);
- lld_lcdWriteStreamStop();
- lld_lcdResetViewPort();
- }
-#endif
-
-#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__)
- color_t lld_gdisp_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
-
- lld_lcdSetCursor(x, y);
- lld_lcdWriteStreamStart();
-
- color = lld_lcdReadData();
- color = lld_lcdReadData();
-
- lld_lcdWriteStreamStop();
-
- return color;
- }
-#endif
-
-#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__)
- void lld_gdisp_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;
-
- #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;
-
- if (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*/
- lld_lcdSetViewPort(x, row0, cx, 1);
- lld_lcdReadStreamStart();
- lld_lcdReadStream(buf, cx);
- lld_lcdReadStreamStop();
-
- lld_lcdSetViewPort(x, row1, cx, 1);
- lld_lcdWriteStreamStart();
- lld_lcdWriteStream(buf, cx);
- lld_lcdWriteStreamStop();
- }
- }
-
- /* fill the remaining gap */
- lld_lcdSetViewPort(x, lines > 0 ? (y+gap) : y, cx, abslines);
- lld_lcdWriteStreamStart();
- gap = cx*abslines;
- for(i = 0; i < gap; i++) lld_lcdWriteData(bgcolor);
- lld_lcdWriteStreamStop();
- lld_lcdResetViewPort();
- }
-#endif
-
-#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__)
- void lld_gdisp_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:
- lld_lcdWriteReg(0x0007, 0x0000);
- lld_lcdWriteReg(0x0010, 0x0000);
- lld_lcdWriteReg(0x0011, 0x0000);
- lld_lcdWriteReg(0x0012, 0x0000);
- lld_lcdWriteReg(0x0013, 0x0000);
- lld_gdisp_backlight(0);
- break;
-
- case powerOn:
- //*************Power On sequence ******************//
- lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
- lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
- lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
- lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
- lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
- lld_lcdWriteReg(0x0010, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
- lld_lcdWriteReg(0x0011, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */
- lld_lcdDelay(500);
- lld_lcdWriteReg(0x0012, 0x013C); /* VREG1OUT voltage */
- lld_lcdDelay(500);
- lld_lcdWriteReg(0x0013, 0x0E00); /* VDV[4:0] for VCOM amplitude */
- lld_lcdWriteReg(0x0029, 0x0009); /* VCM[4:0] for VCOMH */
- lld_lcdDelay(500);
- lld_lcdWriteReg(0x0007, 0x0173); /* 262K color and display ON */
- lld_gdisp_backlight(GDISP.Backlight);
- if(GDISP.Powermode != powerSleep || GDISP.Powermode != powerDeepSleep)
- lld_gdisp_init();
- break;
-
- case powerSleep:
- lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
- lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
- lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
- lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
- lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
- lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
- lld_lcdWriteReg(0x0010, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
- lld_gdisp_backlight(0);
- break;
-
- case powerDeepSleep:
- lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
- lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
- lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
- lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
- lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
- lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
- lld_lcdWriteReg(0x0010, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
- lld_gdisp_backlight(0);
- 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:
- lld_lcdWriteReg(0x0001, 0x0100);
- lld_lcdWriteReg(0x0003, 0x1038);
- lld_lcdWriteReg(0x0060, 0x2700);
- GDISP.Height = GDISP_SCREEN_HEIGHT;
- GDISP.Width = GDISP_SCREEN_WIDTH;
- break;
-
- case GDISP_ROTATE_90:
- lld_lcdWriteReg(0x0001, 0x0000);
- lld_lcdWriteReg(0x0003, 0x1030);
- lld_lcdWriteReg(0x0060, 0x2700);
- GDISP.Height = GDISP_SCREEN_WIDTH;
- GDISP.Width = GDISP_SCREEN_HEIGHT;
- break;
-
- case GDISP_ROTATE_180:
- lld_lcdWriteReg(0x0001, 0x0000);
- lld_lcdWriteReg(0x0003, 0x1038);
- lld_lcdWriteReg(0x0060, 0xa700);
- GDISP.Height = GDISP_SCREEN_HEIGHT;
- GDISP.Width = GDISP_SCREEN_WIDTH;
- break;
-
- case GDISP_ROTATE_270:
- lld_lcdWriteReg(0x0001, 0x0100);
- lld_lcdWriteReg(0x0003, 0x1030);
- lld_lcdWriteReg(0x0060, 0xA700);
- 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;
- lld_gdisp_backlight((unsigned)value);
- GDISP.Backlight = (unsigned)value;
- break;
-
- default:
- return;
- }
- }
-
-#endif
-
-#endif /* GFX_USE_GDISP */
-/** @} */
-
+/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu <joel@unormal.org> + + This file is part of ChibiOS/GFX. + + ChibiOS/GFX is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/GFX is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +/** + * @file drivers/gdisp/ILI9325/gdisp_lld.c + * @brief GDISP Graphics Driver subsystem low level driver source for the ILI9325 display. + * + * @addtogroup GDISP + * @{ + */ + +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#if GFX_USE_GDISP /*|| defined(__DOXYGEN__)*/ + +/* Include the emulation code for things we don't support */ +#include "gdisp/lld/emulation.c" + +#if defined(GDISP_USE_CUSTOM_BOARD) && GDISP_USE_CUSTOM_BOARD + /* Include the user supplied board definitions */ + #include "gdisp_lld_board.h" +#elif defined(BOARD_HY_STM32_100P) + #include "gdisp_lld_board_hy_stm32_100p.h" +#else + #include "gdisp_lld_board.h" +#endif + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/* This controller is only ever used with a 240 x 320 display */ +#if defined(GDISP_SCREEN_HEIGHT) + #warning "GDISP: This low level driver does not support setting a screen size. It is being ignored." + #undef GDISP_SCREEN_HEIGHT +#endif +#if defined(GDISP_SCREEN_WIDTH) + #warning "GDISP: This low level driver does not support setting a screen size. It is being ignored." + #undef GDISP_SCREEN_WIDTH +#endif + +#define GDISP_SCREEN_WIDTH 240 +#define GDISP_SCREEN_HEIGHT 320 + +#define GDISP_INITIAL_CONTRAST 50 +#define GDISP_INITIAL_BACKLIGHT 100 + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables. */ +/*===========================================================================*/ +uint32_t DISPLAY_CODE; + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ +static __inline void lld_lcdDelay(uint16_t us) { + chThdSleepMicroseconds(us); +} + +static __inline void lld_lcdWriteIndex(uint16_t index) { + gdisp_lld_write_index(index); +} + +static __inline void lld_lcdWriteData(uint16_t data) { + gdisp_lld_write_data(data); +} + +static __inline void lld_lcdWriteReg(uint16_t lcdReg, uint16_t lcdRegValue) { + gdisp_lld_write_index(lcdReg); + gdisp_lld_write_data(lcdRegValue); +} + +static __inline uint16_t lld_lcdReadData(void) { + /* fix this! */ + //return gdisp_lld_read_data; + return GDISP_RAM; +} + +static __inline uint16_t lld_lcdReadReg(uint16_t lcdReg) { + volatile uint16_t dummy; + + gdisp_lld_write_index(lcdReg); + dummy = lld_lcdReadData(); + (void)dummy; + + return lld_lcdReadData(); +} + +static __inline void lld_lcdWriteStreamStart(void) { + lld_lcdWriteIndex(0x0022); +} + +static __inline void lld_lcdWriteStreamStop(void) { + +} + +static __inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) { + uint16_t i; + + for(i = 0; i < size; i++) + lld_lcdWriteData(buffer[i]); +} + +static __inline void lld_lcdReadStreamStart(void) { + lld_lcdWriteIndex(0x0022); +} + +static __inline void lld_lcdReadStreamStop(void) { + +} + +static __inline void lld_lcdReadStream(uint16_t *buffer, size_t size) { + uint16_t i; + volatile uint16_t dummy; + + dummy = lld_lcdReadData(); + (void)dummy; + + for(i = 0; i < size; i++) + buffer[i] = lld_lcdReadData(); +} + +bool_t gdisp_lld_init(void) { + /* Initialise your display */ + gdisp_lld_init_board(); + + /* Hardware reset */ + gdisp_lld_reset_pin(TRUE); + lld_lcdDelay(1000); + gdisp_lld_reset_pin(FALSE); + lld_lcdDelay(1000); + + // chinese code starts here + lld_lcdWriteReg(0x0000,0x0001); + lld_lcdDelay(10); + + lld_lcdWriteReg(0x0015,0x0030); + lld_lcdWriteReg(0x0011,0x0040); + lld_lcdWriteReg(0x0010,0x1628); + lld_lcdWriteReg(0x0012,0x0000); + lld_lcdWriteReg(0x0013,0x104d); + lld_lcdDelay(10); + lld_lcdWriteReg(0x0012,0x0010); + lld_lcdDelay(10); + lld_lcdWriteReg(0x0010,0x2620); + lld_lcdWriteReg(0x0013,0x344d); //304d + lld_lcdDelay(10); + + lld_lcdWriteReg(0x0001,0x0100); + lld_lcdWriteReg(0x0002,0x0300); + lld_lcdWriteReg(0x0003,0x1038);//0x1030 + lld_lcdWriteReg(0x0008,0x0604); + lld_lcdWriteReg(0x0009,0x0000); + lld_lcdWriteReg(0x000A,0x0008); + + lld_lcdWriteReg(0x0041,0x0002); + lld_lcdWriteReg(0x0060,0x2700); + lld_lcdWriteReg(0x0061,0x0001); + lld_lcdWriteReg(0x0090,0x0182); + lld_lcdWriteReg(0x0093,0x0001); + lld_lcdWriteReg(0x00a3,0x0010); + lld_lcdDelay(10); + + //################# void Gamma_Set(void) ####################// + lld_lcdWriteReg(0x30,0x0000); + lld_lcdWriteReg(0x31,0x0502); + lld_lcdWriteReg(0x32,0x0307); + lld_lcdWriteReg(0x33,0x0305); + lld_lcdWriteReg(0x34,0x0004); + lld_lcdWriteReg(0x35,0x0402); + lld_lcdWriteReg(0x36,0x0707); + lld_lcdWriteReg(0x37,0x0503); + lld_lcdWriteReg(0x38,0x1505); + lld_lcdWriteReg(0x39,0x1505); + lld_lcdDelay(10); + + //################## void Display_ON(void) ####################// + lld_lcdWriteReg(0x0007,0x0001); + lld_lcdDelay(10); + lld_lcdWriteReg(0x0007,0x0021); + lld_lcdWriteReg(0x0007,0x0023); + lld_lcdDelay(10); + lld_lcdWriteReg(0x0007,0x0033); + lld_lcdDelay(10); + lld_lcdWriteReg(0x0007,0x0133); + + // chinese code ends here + + // Turn on the backlight + gdisp_lld_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; +} + +static void lld_lcdSetCursor(uint16_t x, uint16_t y) { + + switch(GDISP.Orientation) { + case GDISP_ROTATE_0: + lld_lcdWriteReg(0x0020, x); + lld_lcdWriteReg(0x0021, y); + break; + + case GDISP_ROTATE_90: + lld_lcdWriteReg(0x0020, y); + lld_lcdWriteReg(0x0021, x); + break; + + case GDISP_ROTATE_180: + lld_lcdWriteReg(0x0020, x); + lld_lcdWriteReg(0x0021, y); + break; + + case GDISP_ROTATE_270: + lld_lcdWriteReg(0x0020, y); + lld_lcdWriteReg(0x0021, x); + break; + } +} + +static void lld_lcdSetViewPort(uint16_t x, uint16_t y, uint16_t cx, uint16_t cy) { + switch(GDISP.Orientation) { + case GDISP_ROTATE_0: + lld_lcdWriteReg(0x0050, x); + lld_lcdWriteReg(0x0051, x + cx - 1); + lld_lcdWriteReg(0x0052, y); + lld_lcdWriteReg(0x0053, y + cy - 1); + break; + + case GDISP_ROTATE_90: + lld_lcdWriteReg(0x0050, y); + lld_lcdWriteReg(0x0051, y + cy - 1); + lld_lcdWriteReg(0x0052, x); + lld_lcdWriteReg(0x0053, x + cx - 1); + break; + + case GDISP_ROTATE_180: + lld_lcdWriteReg(0x0050, x); + lld_lcdWriteReg(0x0051, x + cx - 1); + lld_lcdWriteReg(0x0052, y); + lld_lcdWriteReg(0x0053, y + cy - 1); + break; + + case GDISP_ROTATE_270: + lld_lcdWriteReg(0x0050, y); + lld_lcdWriteReg(0x0051, y + cy - 1); + lld_lcdWriteReg(0x0052, x); + lld_lcdWriteReg(0x0053, x + cx - 1); + break; + + } + + lld_lcdSetCursor(x, y); +} + +static __inline void lld_lcdResetViewPort(void) { + switch(GDISP.Orientation) { + case GDISP_ROTATE_0: + case GDISP_ROTATE_180: + lld_lcdSetViewPort(0, 0, GDISP_SCREEN_WIDTH, GDISP_SCREEN_HEIGHT); + break; + case GDISP_ROTATE_90: + case GDISP_ROTATE_270: + lld_lcdSetViewPort(0, 0, GDISP_SCREEN_HEIGHT, GDISP_SCREEN_WIDTH); + break; + } +} + +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 + lld_lcdSetCursor(x, y); + lld_lcdWriteReg(0x0022, color); +} + +#if GDISP_HARDWARE_CLEARS || defined(__DOXYGEN__) + void gdisp_lld_clear(color_t color) { + unsigned i; + + lld_lcdSetCursor(0, 0); + lld_lcdWriteStreamStart(); + + for(i = 0; i < GDISP_SCREEN_WIDTH * GDISP_SCREEN_HEIGHT; i++) + lld_lcdWriteData(color); + + lld_lcdWriteStreamStop(); + } +#endif + +#if GDISP_HARDWARE_FILLS || defined(__DOXYGEN__) + void gdisp_lld_fill_area(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) { + #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 + + unsigned i, area; + + area = cx*cy; + lld_lcdSetViewPort(x, y, cx, cy); + lld_lcdWriteStreamStart(); + for(i = 0; i < area; i++) + lld_lcdWriteData(color); + lld_lcdWriteStreamStop(); + lld_lcdResetViewPort(); + } +#endif + +#if GDISP_HARDWARE_BITFILLS || defined(__DOXYGEN__) + 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 + + lld_lcdSetViewPort(x, y, cx, cy); + lld_lcdWriteStreamStart(); + + 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++) + lld_lcdWriteData(*buffer++); + lld_lcdWriteStreamStop(); + lld_lcdResetViewPort(); + } +#endif + +#if (GDISP_NEED_PIXELREAD && GDISP_HARDWARE_PIXELREAD) || defined(__DOXYGEN__) + 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 + + lld_lcdSetCursor(x, y); + lld_lcdWriteStreamStart(); + + color = lld_lcdReadData(); + color = lld_lcdReadData(); + + lld_lcdWriteStreamStop(); + + return color; + } +#endif + +#if (GDISP_NEED_SCROLL && GDISP_HARDWARE_SCROLL) || defined(__DOXYGEN__) + 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; + + #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; + + if (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*/ + lld_lcdSetViewPort(x, row0, cx, 1); + lld_lcdReadStreamStart(); + lld_lcdReadStream(buf, cx); + lld_lcdReadStreamStop(); + + lld_lcdSetViewPort(x, row1, cx, 1); + lld_lcdWriteStreamStart(); + lld_lcdWriteStream(buf, cx); + lld_lcdWriteStreamStop(); + } + } + + /* fill the remaining gap */ + lld_lcdSetViewPort(x, lines > 0 ? (y+gap) : y, cx, abslines); + lld_lcdWriteStreamStart(); + gap = cx*abslines; + for(i = 0; i < gap; i++) lld_lcdWriteData(bgcolor); + lld_lcdWriteStreamStop(); + lld_lcdResetViewPort(); + } +#endif + +#if (GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL) || defined(__DOXYGEN__) + 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: + lld_lcdWriteReg(0x0007, 0x0000); + lld_lcdWriteReg(0x0010, 0x0000); + lld_lcdWriteReg(0x0011, 0x0000); + lld_lcdWriteReg(0x0012, 0x0000); + lld_lcdWriteReg(0x0013, 0x0000); + gdisp_lld_backlight(0); + break; + + case powerOn: + //*************Power On sequence ******************// + lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ + lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ + lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */ + lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */ + lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */ + lld_lcdWriteReg(0x0010, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */ + lld_lcdWriteReg(0x0011, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */ + lld_lcdDelay(500); + lld_lcdWriteReg(0x0012, 0x013C); /* VREG1OUT voltage */ + lld_lcdDelay(500); + lld_lcdWriteReg(0x0013, 0x0E00); /* VDV[4:0] for VCOM amplitude */ + lld_lcdWriteReg(0x0029, 0x0009); /* VCM[4:0] for VCOMH */ + lld_lcdDelay(500); + lld_lcdWriteReg(0x0007, 0x0173); /* 262K color and display ON */ + gdisp_lld_backlight(GDISP.Backlight); + if(GDISP.Powermode != powerSleep || GDISP.Powermode != powerDeepSleep) + gdisp_lld_init(); + break; + + case powerSleep: + lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */ + lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */ + lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ + lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */ + lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */ + lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */ + lld_lcdWriteReg(0x0010, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */ + gdisp_lld_backlight(0); + break; + + case powerDeepSleep: + lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */ + lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */ + lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */ + lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */ + lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */ + lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */ + lld_lcdWriteReg(0x0010, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */ + gdisp_lld_backlight(0); + 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: + lld_lcdWriteReg(0x0001, 0x0100); + lld_lcdWriteReg(0x0003, 0x1038); + lld_lcdWriteReg(0x0060, 0x2700); + GDISP.Height = GDISP_SCREEN_HEIGHT; + GDISP.Width = GDISP_SCREEN_WIDTH; + break; + + case GDISP_ROTATE_90: + lld_lcdWriteReg(0x0001, 0x0000); + lld_lcdWriteReg(0x0003, 0x1030); + lld_lcdWriteReg(0x0060, 0x2700); + GDISP.Height = GDISP_SCREEN_WIDTH; + GDISP.Width = GDISP_SCREEN_HEIGHT; + break; + + case GDISP_ROTATE_180: + lld_lcdWriteReg(0x0001, 0x0000); + lld_lcdWriteReg(0x0003, 0x1038); + lld_lcdWriteReg(0x0060, 0xa700); + GDISP.Height = GDISP_SCREEN_HEIGHT; + GDISP.Width = GDISP_SCREEN_WIDTH; + break; + + case GDISP_ROTATE_270: + lld_lcdWriteReg(0x0001, 0x0100); + lld_lcdWriteReg(0x0003, 0x1030); + lld_lcdWriteReg(0x0060, 0xA700); + 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; + gdisp_lld_backlight((unsigned)value); + GDISP.Backlight = (unsigned)value; + break; + + default: + return; + } + } + +#endif + +#endif /* GFX_USE_GDISP */ +/** @} */ + |