SSD2119: created board file
Created board support file for Embest DM-STF4BB board with DM-LCD35RT LCD module. You simply plug STM32F4DISCOVERY into it.
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@ -58,6 +58,8 @@
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#include "gdisp_lld_board.h"
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#elif defined(BOARD_FIREBULL_STM32_F103)
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#include "gdisp_lld_board_firebullstm32f103.h"
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#elif defined(BOARD_EMBEST_DMSTF4BB)
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#include "gdisp_lld_board_embest_dmstf4bb.h"
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#else
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/* Include the user supplied board definitions */
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#include "gdisp_lld_board.h"
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157
drivers/gdisp/SSD2119/gdisp_lld_board_embest_dmstf4bb.h
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157
drivers/gdisp/SSD2119/gdisp_lld_board_embest_dmstf4bb.h
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/*
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ChibiOS/GFX - Copyright (C) 2012
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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/SSD2119/gdisp_lld_board_embest_dmstf4bb.h
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* @brief GDISP Graphic Driver subsystem board interface for the SSD2119 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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#define SET_CS palSetPad(GPIOD, 12);
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#define CLR_CS palClearPad(GPIOD, 12);
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#define SET_RS palSetPad(GPIOD, 13);
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#define CLR_RS palClearPad(GPIOD, 13);
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#define SET_WR palSetPad(GPIOD, 14);
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#define CLR_WR palClearPad(GPIOD, 14);
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#define SET_RD palSetPad(GPIOD, 15);
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#define CLR_RD palClearPad(GPIOD, 15);
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/**
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* @brief Initialise the board for the display.
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* @notes This board definition uses GPIO and assumes exclusive access to these GPIO pins
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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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palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, 12, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, 13, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, 14, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOD, 15, PAL_MODE_OUTPUT_PUSHPULL);
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// Configure the pins to a well know state
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SET_RS;
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SET_RD;
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SET_WR;
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CLR_CS;
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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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(void) state;
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/* Nothing to do here - reset pin tied to Vcc */
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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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(void) percent;
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/* Nothing to do here - Backlight always on */
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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 since LCD is the only device on that bus */
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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 since LCD is the only device on that bus */
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}
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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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palWritePort(GPIOE, index);
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CLR_RS; CLR_WR; SET_WR; SET_RS;
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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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palWritePort(GPIOE, data);
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CLR_WR; SET_WR;
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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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uint16_t value;
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// change pin mode to digital input
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palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_INPUT);
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CLR_RD;
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value = palReadPort(GPIOE);
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value = palReadPort(GPIOE);
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SET_RD;
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// change pin mode back to digital output
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palSetGroupMode(GPIOE, PAL_WHOLE_PORT, 0, PAL_MODE_OUTPUT_PUSHPULL);
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return value;
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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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