SSD1963 Driver - Removed old config files
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/*
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ChibiOS/GFX - Copyright (C) 2012, 2013
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file drivers/gdisp/SSD1963/gdisp_lld_board_example.h
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* @brief GDISP Graphic Driver subsystem board interface for the SSD1963 display.
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*
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* @addtogroup GDISP
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* @{
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*/
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#ifndef _GDISP_LLD_BOARD_H
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#define _GDISP_LLD_BOARD_H
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#if defined(GDISP_USE_GPIO)
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#define Set_CS palSetPad(GDISP_CMD_PORT, GDISP_CS);
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#define Clr_CS palClearPad(GDISP_CMD_PORT, GDISP_CS);
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#define Set_RS palSetPad(GDISP_CMD_PORT, GDISP_RS);
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#define Clr_RS palClearPad(GDISP_CMD_PORT, GDISP_RS);
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#define Set_WR palSetPad(GDISP_CMD_PORT, GDISP_WR);
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#define Clr_WR palClearPad(GDISP_CMD_PORT, GDISP_WR);
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#define Set_RD palSetPad(GDISP_CMD_PORT, GDISP_RD);
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#define Clr_RD palClearPad(GDISP_CMD_PORT, GDISP_RD);
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#endif
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#if defined(GDISP_USE_FSMC)
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/* Using FSMC A16 as RS */
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#define GDISP_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */
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#define GDISP_RAM (*((volatile uint16_t *) 0x60020000)) /* RS = 1 */
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#endif
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/**
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* @brief Send data to the index register.
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*
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* @param[in] index The index register to set
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*
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* @notapi
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*/
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static inline void write_index(uint16_t index) {
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Set_CS; Set_RS; Set_WR; Clr_RD;
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palWritePort(GDISP_DATA_PORT, index);
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Clr_CS;
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}
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/**
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* @brief Send data to the lcd.
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*
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* @param[in] data The data to send
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*
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* @notapi
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*/
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static inline void write_data(uint16_t data) {
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Set_CS; Clr_RS; Set_WR; Clr_RD;
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palWritePort(GDISP_DATA_PORT, data);
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Clr_CS;
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}
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/**
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* @brief Initialise the board for the display.
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*
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* @notapi
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*/
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static inline void init_board(void) {
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IOBus busCMD = {GDISP_CMD_PORT, (1 << GDISP_CS) | (1 << GDISP_RS) | (1 << GDISP_WR) | (1 << GDISP_RD), 0};
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IOBus busDATA = {GDISP_CMD_PORT, 0xFFFFF, 0};
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palSetBusMode(&busCMD, PAL_MODE_OUTPUT_PUSHPULL);
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palSetBusMode(&busDATA, PAL_MODE_OUTPUT_PUSHPULL);
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}
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static inline void post_init_board(void) {
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/* Nothing to do here */
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}
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/**
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* @brief Set or clear the lcd reset pin.
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*
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* @param[in] state TRUE = lcd in reset, FALSE = normal operation
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*
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* @notapi
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*/
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static inline void setpin_reset(bool_t state) {
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}
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/**
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* @brief Set the lcd back-light level.
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*
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* @param[in] percent 0 to 100%
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*
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* @notapi
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*/
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static inline void set_backlight(uint8_t percent) {
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//duty_cycle is 00..FF
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//Work in progress: the SSD1963 has a built-in PWM, its output can
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//be used by a Dynamic Background Control or by a host (user)
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//Check your LCD's hardware, the PWM connection is default left open and instead
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//connected to a LED connection on the breakout board
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write_index(SSD1963_SET_PWM_CONF);//set PWM for BackLight
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write_data(0x0001);
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write_data(percent & 0x00FF);
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write_data(0x0001);//controlled by host (not DBC), enabled
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write_data(0x00FF);
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write_data(0x0060);//don't let it go too dark, avoid a useless LCD
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write_data(0x000F);//prescaler ???
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}
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/**
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* @brief Take exclusive control of the bus
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*
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* @notapi
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*/
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static inline void acquire_bus(void) {
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/* Nothing to do here */
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}
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/**
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* @brief Release exclusive control of the bus
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*
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* @notapi
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*/
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static inline void release_bus(void) {
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/* Nothing to do here */
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}
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__inline void write_stream(uint16_t *buffer, uint16_t size) {
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uint16_t i;
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Set_CS; Clr_RS; Set_WR; Clr_RD;
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for(i = 0; i < size; i++) {
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Set_WR;
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palWritePort(GDISP_DATA_PORT, buffer[i]);
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Clr_WR;
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}
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Clr_CS;
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}
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__inline void read_stream(uint16_t *buffer, size_t size) {
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uint16_t i;
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Set_CS; Clr_RS; Clr_WR; Set_RD;
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for(i = 0; i < size; i++) {
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Set_RD;
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buffer[i] = palReadPort(GDISP_DATA_PORT);
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Clr_RD;
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}
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}
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#if GDISP_HARDWARE_READPIXEL || GDISP_HARDWARE_SCROLL || defined(__DOXYGEN__)
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/**
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* @brief Read data from the lcd.
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*
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* @return The data from the lcd
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* @note The chip select may need to be asserted/de-asserted
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* around the actual spi read
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*
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* @notapi
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*/
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static inline uint16_t read_data(void) {
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Set_CS; Clr_RS; Clr_WR; Set_RD;
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uint16_t data = palReadPort(GDISP_DATA_PORT);
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Clr_CS;
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return data;
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}
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#endif
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#endif /* _GDISP_LLD_BOARD_H */
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/** @} */
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@ -1,85 +0,0 @@
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/*
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ChibiOS/GFX Copyright (C) 2012, 2013
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file SSD1963/gdisp_lld_panel.h
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* @brief TFT LCD panel properties.
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*
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* @addtogroup GDISP
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* @{
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*/
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#ifndef _GDISP_LLD_PANEL_H
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#define _GDISP_LLD_PANEL_H
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/* LCD panel specs */
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#define GDISP_SCREEN_WIDTH 800
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#define GDISP_SCREEN_HEIGHT 480
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/* The timings need to follow the datasheet for your particular TFT/LCD screen (the actual screen, not the controller)
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*** Datasheets normally use a specific set of timings and acronyms, their value refers to the number of pixel clocks
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** Non-display periods refer to pulses/timings that occur before or after the timings that actually put pixels on the screen
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** Display periods refer to pulses/timings that directly put pixels on the screen
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HDP: Horizontal Display Period, normally the width - 1
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HT: Horizontal Total period (display + non-display)
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HPS: non-display period between the start of the horizontal sync (LLINE) signal and the first display data
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LPS: horizontal sync pulse (LLINE) start location in pixel clocks
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HPW: Horizontal sync Pulse Width
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VDP: Vertical Display period, normally height - 1
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VT: Vertical Total period (display + non-display)
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VPS: non-display period in lines between the start of the frame and the first display data in number of lines
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FPS: vertical sync pulse (LFRAME) start location in lines.
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VPW: Vertical sync Pulse Width
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*** Here's how to convert them:
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HPS = SCREEN_HSYNC_PULSE + SCREEN_HSYNC_BACK_PORCH
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HT - HPS = GDISP_SCREEN_WIDTH + SCREEN_HSYNC_FRONT_PORCH
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=> SCREEN_HSYNC_FRONT_PORCH = ( HT - HPS ) - GDISP_SCREEN_WIDTH
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SCREEN_HSYNC_PULSE = HPW
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SCREEN_HSYNC_BACK_PORCH = HPS - HPW
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SCREEN_HSYNC_PERIOD = HT
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VPS = SCREEN_VSYNC_PULSE + SCREEN_VSYNC_BACK_PORCH
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VT - VPS = GDISP_SCREEN_HEIGHT + SCREEN_VSYNC_FRONT_PORCH
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=> SCREEN_VSYNC_FRONT_PORCH = ( VT - VPS ) - GDISP_SCREEN_HEIGHT
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SCREEN_VSYNC_PULSE = VPW
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SCREEN_VSYNC_BACK_PORCH = VPS - LPS
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SCREEN_VSYNC_PERIOD = VT
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*/
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//The following values are for a 5" TFT LCD
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#define SCREEN_HSYNC_BACK_PORCH 43
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#define SCREEN_HSYNC_FRONT_PORCH 149
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#define SCREEN_HSYNC_PULSE 8
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#define SCREEN_VSYNC_BACK_PORCH 21
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#define SCREEN_VSYNC_FRONT_PORCH 26
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#define SCREEN_VSYNC_PULSE 3
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#define SCREEN_HSTART_POSITION 3 //Horizontal Display Period Start Position
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#define SCREEN_VSTART_POSITION 23 //Vertical Display Period Start Position
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#define SCREEN_HSYNC_PERIOD (SCREEN_HSYNC_PULSE + SCREEN_HSYNC_BACK_PORCH + GDISP_SCREEN_WIDTH + SCREEN_HSYNC_FRONT_PORCH)
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#define SCREEN_VSYNC_PERIOD (SCREEN_VSYNC_PULSE + SCREEN_VSYNC_BACK_PORCH + GDISP_SCREEN_HEIGHT + SCREEN_VSYNC_FRONT_PORCH)
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#endif
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/** @} */
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