uGFX/ugfx
2
0
Fork 0
Code Issues 2 Pull Requests Projects Releases Wiki Activity
f938c72044
ugfx/drivers/gdisp/SSD1963/gdisp_lld.c
Joel Bodenmann 88765396bf SSD1963 rework by user: fred
2013-03-14 19:46:40 +01:00

651 lines
22 KiB
C
Raw Blame History

/*
ChibiOS/GFX - Copyright (C) 2012, 2013
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/SSD1963/gdisp_lld.c
* @brief GDISP Graphics Driver subsystem low level driver source.
*
* @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"
#ifndef GDISP_SCREEN_HEIGHT
#define GDISP_SCREEN_HEIGHT 480
#endif
#ifndef GDISP_SCREEN_WIDTH
#define GDISP_SCREEN_WIDTH 800
#endif
/* All the board specific code should go in these include file so the driver
* can be ported to another board just by creating a suitable file.
*/
//#if defined(BOARD_YOURBOARDNAME)
// #include "gdisp_lld_board_yourboardname.h"
//#else
// /* Include the user supplied board definitions */
// #include "gdisp_lld_board.h"
//#endif
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
#include "ssd1963.h"
#if defined(GDISP_USE_FSMC)
__inline void GDISP_LLD(writeindex)(uint8_t cmd) {
GDISP_REG = cmd;
}
__inline void GDISP_LLD(writereg)(uint16_t lcdReg,uint16_t lcdRegValue) {
GDISP_REG = lcdReg;
GDISP_RAM = lcdRegValue;
}
__inline void GDISP_LLD(writedata)(uint16_t data) {
GDISP_RAM = data;
}
__inline uint16_t GDISP_LLD(readdata)(void) {
return (GDISP_RAM);
}
__inline uint8_t GDISP_LLD(readreg)(uint8_t lcdReg) {
GDISP_REG = lcdReg;
return (GDISP_RAM);
}
__inline void GDISP_LLD(writestreamstart)(void) {
GDISP_LLD(writeindex)(SSD1963_WRITE_MEMORY_START);
}
__inline void GDISP_LLD(readstreamstart)(void) {
GDISP_LLD(writeindex)(SSD1963_READ_MEMORY_START);
}
__inline void GDISP_LLD(writestream)(uint16_t *buffer, uint16_t size) {
uint16_t i;
for(i = 0; i < size; i++)
GDISP_RAM = buffer[i];
}
__inline void GDISP_LLD(readstream)(uint16_t *buffer, size_t size) {
uint16_t i;
for(i = 0; i < size; i++) {
buffer[i] = GDISP_RAM;
}
}
#elif defined(GDISP_USE_GPIO)
__inline void GDISP_LLD(writeindex)(uint8_t cmd) {
Set_CS; Set_RS; Set_WR; Clr_RD;
palWritePort(GDISP_DATA_PORT, cmd);
Clr_CS;
}
__inline void GDISP_LLD(writereg)(uint16_t lcdReg,uint16_t lcdRegValue) {
Set_CS; Set_RS; Set_WR; Clr_RD;
palWritePort(GDISP_DATA_PORT, lcdReg);
Clr_RS;
palWritePort(GDISP_DATA_PORT, lcdRegValue);
Clr_CS;
}
__inline void GDISP_LLD(writedata)(uint16_t data) {
Set_CS; Clr_RS; Set_WR; Clr_RD;
palWritePort(GDISP_DATA_PORT, data);
Clr_CS;
}
__inline uint16_t GDISP_LLD(readdata)(void) {
Set_CS; Clr_RS; Clr_WR; Set_RD;
uint16_t data = palReadPort(GDISP_DATA_PORT);
Clr_CS;
return data;
}
__inline uint8_t GDISP_LLD(readreg)(uint8_t lcdReg) {
Set_CS; Set_RS; Clr_WR; Set_RD;
palWritePort(GDISP_DATA_PORT, lcdReg);
Clr_RS;
uint16_t data = palReadPort(GDISP_DATA_PORT);
Clr_CS;
return data;
}
__inline void GDISP_LLD(writestreamstart)(void) {
GDISP_LLD(writeindex)(SSD1963_WRITE_MEMORY_START);
}
__inline void GDISP_LLD(readstreamstart)(void) {
GDISP_LLD(writeindex)(SSD1963_READ_MEMORY_START);
}
__inline void GDISP_LLD(writestream)(uint16_t *buffer, uint16_t size) {
uint16_t i;
Set_CS; Clr_RS; Set_WR; Clr_RD;
for(i = 0; i < size; i++) {
Set_WR;
palWritePort(GDISP_DATA_PORT, buffer[i]);
Clr_WR;
}
Clr_CS;
}
__inline void GDISP_LLD(readstream)(uint16_t *buffer, size_t size) {
uint16_t i;
Set_CS; Clr_RS; Clr_WR; Set_RD;
for(i = 0; i < size; i++) {
Set_RD;
buffer[i] = palReadPort(GDISP_DATA_PORT);
Clr_RD;
}
}
#endif
__inline void gdisp_lld_bg_dimmer(uint8_t duty_cycle){//duty_cycle is 00..FF
//Work in progress: the SSD1963 has a built-in PWM, its output can
//be used by a Dynamic Background Control or by a host (user)
//Check your LCD's hardware, the PWM connection is default left open and instead
//connected to a LED connection on the breakout board
GDISP_LLD(writeindex)(SSD1963_SET_PWM_CONF);//set PWM for BackLight
GDISP_LLD(writedata)(0x0001);
GDISP_LLD(writedata)(duty_cycle & 0x00FF);
GDISP_LLD(writedata)(0x0001);//controlled by host (not DBC), enabled
GDISP_LLD(writedata)(0x00FF);
GDISP_LLD(writedata)(0x0060);//don't let it go too dark, avoid a useless LCD
GDISP_LLD(writedata)(0x000F);//prescaler ???
}
/* ---- Required Routines ---- */
/*
The following 2 routines are required.
All other routines are optional.
*/
/**
* @brief Low level GDISP driver initialisation.
* @return TRUE if successful, FALSE on error.
*
* @notapi
*/
bool_t gdisp_lld_init(void) {
/* Initialise the display */
#if defined(GDISP_USE_FSMC)
/* 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};
const unsigned char FSMC_Bank = 0;
#if defined(STM32F1XX) || defined(STM32F3XX) || defined(STM32F10X_HD)
/* 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)) chSysHalt();
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
//palSetBusMode(&busD, PAL_MODE_ALTERNATE(12));
//palSetBusMode(&busE, PAL_MODE_ALTERNATE(12));
palSetBusMode(&busD, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
palSetBusMode(&busE, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
/* FSMC timing */
FSMC_Bank1->BTCR[FSMC_Bank+1] = (FSMC_BTR1_ADDSET_1 | FSMC_BTR1_ADDSET_3) \
| (FSMC_BTR1_DATAST_1 | FSMC_BTR1_DATAST_3) \
| (FSMC_BTR1_BUSTURN_1 | FSMC_BTR1_BUSTURN_3) ;
/* 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;
#elif defined(GDISP_USE_GPIO)
IOBus busCMD = {GDISP_CMD_PORT, (1 << GDISP_CS) | (1 << GDISP_RS) | (1 << GDISP_WR) | (1 << GDISP_RD), 0};
IOBus busDATA = {GDISP_CMD_PORT, 0xFFFFF, 0};
palSetBusMode(&busCMD, PAL_MODE_OUTPUT_PUSHPULL);
palSetBusMode(&busDATA, PAL_MODE_OUTPUT_PUSHPULL);
#else
#error "Please define GDISP_USE_FSMC or GDISP_USE_GPIO"
#endif
palClearPad(GPIOB, GPIOB_LCD_RESET); //reset
chThdSleepMilliseconds(500); //
palSetPad(GPIOB, GPIOB_LCD_RESET); //
chThdSleepMilliseconds(100);
GDISP_LLD(writeindex)(SSD1963_SET_PLL_MN);//set PLL frequency
GDISP_LLD(writedata)(0x0023);//multiplier, VCO = Reference input clock x this value
GDISP_LLD(writedata)(0x0002);//divider, PLL frequency = VCO / this value
GDISP_LLD(writedata)(0x0004);//Effectuate the multiplier and divider value
//Enabling the PLL is a 2-step procedure
//First use system clock and wait for the PLL to stabilize, then enable PLL
GDISP_LLD(writeindex)(SSD1963_SET_PLL);// Enable PLL
GDISP_LLD(writedata)(0x0001);//Use reference clock as system clock and Enable PLL
chThdSleepMilliseconds(1);
GDISP_LLD(writeindex)(SSD1963_SET_PLL);// Use PLL
GDISP_LLD(writedata)(0x0003);//Use PLL output as system clock
chThdSleepMilliseconds(5);
GDISP_LLD(writeindex)(SSD1963_SOFT_RESET);//Software reset
chThdSleepMilliseconds(5);
GDISP_LLD(writeindex)(SSD1963_SET_LSHIFT_FREQ);//Set the LSHIFT (pixel clock) frequency called PCLK
GDISP_LLD(writedata)(0x0004);//this and the next 2 parameters form a 20-bit value called LCDC_FPR
GDISP_LLD(writedata)(0x0093);// PCLK = PLL Frequency * LCDC_FPR / 2^20
GDISP_LLD(writedata)(0x00E0);
GDISP_LLD(writeindex)(SSD1963_SET_GDISP_MODE); //Set the LCD panel mode (RGB TFT or TTL) and pad strength
GDISP_LLD(writedata)(0x0020);//TFT panel data width: 24-bit ; TFT color depth enhancement: Disable FRC or dithering
GDISP_LLD(writedata)(0x0000);//LCD panel mode: Hsync+Vsync +DE mode & TFT mode
GDISP_LLD(writedata)(mHIGH(GDISP_SCREEN_WIDTH-1) & 0x00FF);
GDISP_LLD(writedata)((GDISP_SCREEN_WIDTH-1) & 0x00FF);
GDISP_LLD(writedata)(mHIGH(GDISP_SCREEN_HEIGHT-1) & 0x00FF);
GDISP_LLD(writedata)((GDISP_SCREEN_HEIGHT-1) & 0x00FF);
GDISP_LLD(writedata)(0x0000);
//Set horizontal timings
GDISP_LLD(writeindex)(SSD1963_SET_HORI_PERIOD);//Set Horizontal Period HSYNC
GDISP_LLD(writedata)(mHIGH(SCREEN_HSYNC_PERIOD) & 0x00FF);//Set HT
GDISP_LLD(writedata)(SCREEN_HSYNC_PERIOD & 0x00FF);
GDISP_LLD(writedata)(mHIGH(SCREEN_HSYNC_PULSE + SCREEN_HSYNC_BACK_PORCH) & 0x00FF);
GDISP_LLD(writedata)((SCREEN_HSYNC_PULSE + SCREEN_HSYNC_BACK_PORCH) & 0x00FF);
GDISP_LLD(writedata)(SCREEN_HSYNC_PULSE);
GDISP_LLD(writedata)(mHIGH(SCREEN_HSTART_POSITION) & 0x00FF);
GDISP_LLD(writedata)(SCREEN_HSTART_POSITION & 0x00FF);
GDISP_LLD(writedata)(0x0000);
//set vertical timings
GDISP_LLD(writeindex)(SSD1963_SET_VERT_PERIOD);//Set Vertical Period VSYNC
GDISP_LLD(writedata)(mHIGH(SCREEN_VSYNC_PERIOD) & 0x00FF);//Set VT
GDISP_LLD(writedata)(SCREEN_VSYNC_PERIOD & 0x00FF);
GDISP_LLD(writedata)(mHIGH(SCREEN_VSYNC_PULSE + SCREEN_VSYNC_BACK_PORCH) & 0x00FF);
GDISP_LLD(writedata)((SCREEN_VSYNC_PULSE + SCREEN_VSYNC_BACK_PORCH) & 0x00FF);
GDISP_LLD(writedata)(SCREEN_VSYNC_PULSE);
GDISP_LLD(writedata)(mHIGH(SCREEN_VSTART_POSITION) & 0x00FF);
GDISP_LLD(writedata)(SCREEN_VSTART_POSITION & 0x00FF);
//Work in progress: the SSD1963 has 4 GPIO lines that can be configured for custom
//purpose. The following 5 lines illustrate its use
GDISP_LLD(writeindex)(SSD1963_SET_GPIO_VALUE);
GDISP_LLD(writedata)(0x000F);//GPIO[3:0] out 1
GDISP_LLD(writeindex)(SSD1963_SET_GPIO_CONF);
GDISP_LLD(writedata)(0x0007);//GPIO3=input, GPIO[2:0]=output
GDISP_LLD(writedata)(0x0001);//GPIO0 normal
//Set the read order from host processor to frame buffer and from frame buffer to the display panel
//Use this to rotate, flip and mirror
GDISP_LLD(writeindex)(SSD1963_SET_ADDRESS_MODE);
GDISP_LLD(writedata)(0x0000);//Top to bottom, Left to right, Normal column order, LCD refresh from top line to bottom line and left side to right side, RGB, no Horizontal flip
GDISP_LLD(writeindex)(SSD1963_SET_PIXEL_FORMAT);//Set the current pixel format for RGB image data
GDISP_LLD(writedata)(0x0050);//16-bit per pixel
chThdSleepMilliseconds(5);
GDISP_LLD(writeindex)(SSD1963_SET_PIXEL_DATA_INTERFACE);//Set the pixel data format to 8-bit / 9-bit / 12-bit / 16-bit / 16-bit(565) / 18-bit / 24-bit in the parallel host processor interface
GDISP_LLD(writedata)(SSD1963_PDI_16BIT565);
chThdSleepMilliseconds(5);
GDISP_LLD(writeindex)(SSD1963_SET_GAMMA_CURVE);//Selects the gamma curve used by the display device
GDISP_LLD(writedata)(0x0008);//Gamma curve 3
GDISP_LLD(writeindex)(SSD1963_SET_DISPLAY_ON);//Show the image on the display device
gdisp_lld_bg_dimmer(0xE5);//set to 90% brightness
#if defined(GDISP_USE_FSMC)
/* FSMC delay reduced as the controller now runs at full speed */
FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ;
FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
#endif
/* Initialise the GDISP structure to match */
GDISP.Width = GDISP_SCREEN_WIDTH;
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Orientation = GDISP_ROTATE_0;
GDISP.Powermode = powerOn;
GDISP.Backlight = 100;
GDISP.Contrast = 50;
#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
return TRUE;
}
void GDISP_LLD(setwindow)(coord_t x0, coord_t y0, coord_t x1, coord_t y1) {
/* We don't need to validate here as the LLD routines will validate first.
*
* #if GDISP_NEED_VALIDATION
* if (x0 >= GDISP.Width || y0 >= GDISP.Height || x0 < 0 || y0 < 0) return;
* else if (x1 >= GDISP.Width || y1 >= GDISP.Height || y1 < 0 || y2 < 0) return;
* #endif
*/
GDISP_LLD(writeindex)(SSD1963_SET_PAGE_ADDRESS);
GDISP_LLD(writedata)((y0 >> 8) & 0xFF);
GDISP_LLD(writedata)((y0 >> 0) & 0xFF);
GDISP_LLD(writedata)((y1 >> 8) & 0xFF);
GDISP_LLD(writedata)((y1 >> 0) & 0xFF);
GDISP_LLD(writeindex)(SSD1963_SET_COLUMN_ADDRESS);
GDISP_LLD(writedata)((x0 >> 8) & 0xFF);
GDISP_LLD(writedata)((x0 >> 0) & 0xFF);
GDISP_LLD(writedata)((x1 >> 8) & 0xFF);
GDISP_LLD(writedata)((x1 >> 0) & 0xFF);
}
/**
* @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
GDISP_LLD(setwindow)(x, y, x, y);
GDISP_LLD(writestreamstart)();
GDISP_LLD(writedata)(color);
}
/* ---- Optional Routines ---- */
#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) {
uint32_t area;
uint32_t index;
#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;
GDISP_LLD(setwindow)(x, y, x+cx-1, y+cy-1);
GDISP_LLD(writestreamstart)();
#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
for(index = 0; index < area; index++)
GDISP_LLD(writedata)(color);
#endif //#ifdef GDISP_USE_DMA
}
#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
GDISP_LLD(setwindow)(x, y, x+cx-1, y+cy-1);
GDISP_LLD(writestreamstart)();
buffer += srcx + srcy * srccx;
#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
endx = srcx + cx;
endy = y + cy;
lg = srccx - cx;
for(; y < endy; y++, buffer += lg)
for(x=srcx; x < endx; x++)
GDISP_LLD(writedata)(*buffer++);
#endif //#ifdef GDISP_USE_DMA
}
#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) {
#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
/* NOT IMPLEMENTED YET */
/*
uint16_t size = x1 - x0 ;
lld_lcdWriteIndex(SSD1963_SET_SCROLL_AREA);
lld_lcdWriteData((x0 >> 8) & 0xFF);
lld_lcdWriteData((x0 >> 0) & 0xFF);
lld_lcdWriteData((size >> 8) & 0xFF);
lld_lcdWriteData((size >> 0) & 0xFF);
lld_lcdWriteData(((lcd_height-x1) >> 8) & 0xFF);
lld_lcdWriteData(((lcd_height-x1) >> 0) & 0xFF);
lld_lcdWriteIndex(SSD1963_SET_SCROLL_START);
lld_lcdWriteData((lines >> 8) & 0xFF);
lld_lcdWriteData((lines >> 0) & 0xFF);
*/
}
#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) {
/* NOT IMPLEMENTED YET */
switch(what) {
case GDISP_CONTROL_POWER:
if (GDISP.Powermode == (gdisp_powermode_t)value)
return;
switch((gdisp_powermode_t)value) {
case powerOff:
GDISP_LLD(writeindex)(SSD1963_EXIT_SLEEP_MODE); // leave sleep mode
chThdSleepMilliseconds(5);
GDISP_LLD(writeindex)(SSD1963_SET_DISPLAY_OFF);
GDISP_LLD(writeindex)(SSD1963_SET_DEEP_SLEEP); // enter deep sleep mode
break;
case powerOn:
GDISP_LLD(readreg)(0x0000); chThdSleepMilliseconds(5); // 2x Dummy reads to wake up from deep sleep
GDISP_LLD(readreg)(0x0000); chThdSleepMilliseconds(5);
if (GDISP.Powermode != powerSleep)
gdisp_lld_init();
GDISP_LLD(writeindex)(SSD1963_SET_DISPLAY_ON);
break;
case powerSleep:
GDISP_LLD(writeindex)(SSD1963_SET_DISPLAY_OFF);
GDISP_LLD(writeindex)(SSD1963_ENTER_SLEEP_MODE); // enter sleep mode
chThdSleepMilliseconds(5);
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:
/* Code here */
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
/* Code here */
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
/* Code here */
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
/* Code here */
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:
gdisp_lld_bg_dimmer(54 + ((uint8_t)value) << 1);//turn 0..100% in 54..255
return;
/*
case GDISP_CONTROL_CONTRAST:
*/
}
}
#endif
#endif /* GFX_USE_GDISP */
/** @} */
Reference in New Issue View Git Blame Copy Permalink