bbb2d434c4
Convert SSD1289 to use board files. Update Nokia driver to use short names in the board files. Full expanded names are not needed as they are all static inline routines.
150 lines
3.7 KiB
C
150 lines
3.7 KiB
C
/*
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ChibiOS/RT - 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/SSD1289/gdisp_lld_board_firebullstm32f103.h
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* @brief GDISP Graphic Driver subsystem board interface for the SSD1289 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(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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/**
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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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// This should set the GPIO port up for the correct hardware config here
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// Configure the pins to a well know state
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SET_RS; SET_RD; SET_RW; 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 */
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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 */
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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 get_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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/**
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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(GDISP_DATA_PORT, 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(GDISP_DATA_PORT, 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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GDISP_DATA_PORT->CRH = 0x44444444;
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GDISP_DATA_PORT->CRL = 0x44444444;
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CLR_RD;
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value = palReadPort(GDISP_DATA_PORT);
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SET_RD;
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// change pin mode back to digital output
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GDISP_DATA_PORT->CRH = 0x33333333;
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GDISP_DATA_PORT->CRL = 0x33333333;
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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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