130 lines
2.6 KiB
C
130 lines
2.6 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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/**
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* @file boards/addons/gdisp/board_ILI9320_olimex_pic32mx_lcd.h
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* @brief GDISP Graphic Driver subsystem board SPI interface for the ILI9325 display.
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*
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* @note This file contains a mix of hardware specific and operating system specific
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* code. You will need to change it for your CPU and/or operating system.
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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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#ifndef noinline
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#define noinline __attribute__((noinline))
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#endif
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static void init_board(GDisplay *g) {
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// As we are not using multiple displays we set g->board to NULL as we don't use it.
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g->board = 0;
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switch(g->controllerdisplay) {
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case 0: // Set up for Display 0
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// RST
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palSetPadMode(IOPORTA, 7, PAL_MODE_OUTPUT);
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palClearPad(IOPORTA, 7);
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// RS
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palSetPadMode(IOPORTA, 10, PAL_MODE_OUTPUT);
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palSetPad(IOPORTA, 10);
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// CS
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palSetPadMode(IOPORTA, 9, PAL_MODE_OUTPUT);
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palClearPad(IOPORTA, 9);
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// Backlight
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palSetPadMode(IOPORTD, 3, PAL_MODE_OUTPUT);
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palSetPad(IOPORTD, 3);
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// PMP setup
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PMMODE = 0;
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PMAEN = 0;
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PMCON = 0;
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PMMODEbits.MODE = 2;
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PMMODEbits.WAITB = 0;
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PMMODEbits.WAITM = 1;
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PMMODEbits.WAITE = 0;
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PMCONbits.CSF = 0;
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PMCONbits.PTRDEN = 1;
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PMCONbits.PTWREN = 1;
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PMMODEbits.MODE16 = 1;
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PMCONbits.PMPEN = 1;
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palClearPad(IOPORTA, 9);
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break;
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}
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}
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#define PmpWaitBusy() do {} while (PMMODEbits.BUSY)
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static GFXINLINE void post_init_board(GDisplay *g) {
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(void) g;
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}
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static noinline void setpin_reset(GDisplay *g, bool_t state) {
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(void) g;
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if (state)
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palClearPad(IOPORTA, 7);
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else
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palSetPad(IOPORTA, 7);
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}
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static void set_backlight(GDisplay *g, uint8_t percent) {
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(void) g;
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if (percentage)
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palClearPad(IOPORTD, 3);
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else
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palSetPad(IOPORTD, 3);
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}
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static GFXINLINE void acquire_bus(GDisplay *g) {
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(void) g;
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}
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static GFXINLINE void release_bus(GDisplay *g) {
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(void) g;
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}
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static noinline void write_index(GDisplay *g, uint16_t index) {
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volatile uint16_t dummy;
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(void) g;
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PmpWaitBusy();
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palClearPad(IOPORTA, 10);
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PMDIN = index;
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PmpWaitBusy();
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palSetPad(IOPORTA, 10);
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dummy = PMDIN;
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(void)dummy;
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}
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static noinline void write_data(GDisplay *g, uint16_t data) {
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(void) g;
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PMDIN = data;
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PmpWaitBusy();
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}
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static GFXINLINE void setreadmode(GDisplay *g) {
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(void) g;
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}
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static GFXINLINE void setwritemode(GDisplay *g) {
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(void) g;
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}
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static noinline uint16_t read_data(GDisplay *g) {
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(void) g;
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PmpWaitBusy();
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return PMDIN;
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}
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#endif /* GDISP_LLD_BOARD_H */
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