114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/***************************************************************************
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* Copyright (C) 2024 by Morgan Diepart ON4MOD *
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* *
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* This program 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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* *
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* This program 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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* *
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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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#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <peripherals/gpio.h>
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#include <hwconfig.h>
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#include <interfaces/platform.h>
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#include <spi_stm32.h>
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#include "SH110x_Mod17.h"
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#include "SSD1309_Mod17.h"
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SPI_STM32_DEVICE_DEFINE(spi2, SPI2, NULL)
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struct displayFuncs
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{
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void (*init)(void);
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void (*terminate)(void);
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void (*renderRows)(uint8_t, uint8_t, void *);
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void (*render)(void *);
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void (*setContrast)(uint8_t);
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void (*setBacklightLevel)(uint8_t);
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};
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static struct displayFuncs display =
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{
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.init = NULL,
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.terminate = NULL,
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.renderRows = NULL,
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.render = NULL,
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.setContrast = NULL,
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};
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void display_init()
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{
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const hwInfo_t *hwinfo = platform_getHwInfo();
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if(((hwinfo->flags & MOD17_FLAGS_HMI_PRESENT) != 0) &&
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((hwinfo->hw_version >> 8) == MOD17_HMI_V10))
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{
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display.init = SSD1309_init;
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display.renderRows = SSD1309_renderRows;
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display.render = SSD1309_render;
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display.setContrast = SSD1309_setContrast;
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display.terminate = SSD1309_terminate;
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}
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else
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{
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display.init = SH110x_init;
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display.renderRows = SH110x_renderRows;
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display.render = SH110x_render;
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display.setContrast = SH110x_setContrast;
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display.terminate = SH110x_terminate;
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}
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/*
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* Initialise SPI2 for external flash and LCD
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*/
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gpio_setMode(SPI2_SCK, ALTERNATE | ALTERNATE_FUNC(5));
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gpio_setMode(SPI2_MOSI, ALTERNATE | ALTERNATE_FUNC(5));
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gpio_setMode(SPI2_MISO, ALTERNATE | ALTERNATE_FUNC(5));
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spiStm32_init(&spi2, 1300000, 0);
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/*
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* Initialise GPIOs for LCD control
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*/
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gpio_setMode(LCD_CS, OUTPUT);
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gpio_setMode(LCD_RST, OUTPUT);
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gpio_setMode(LCD_DC, OUTPUT);
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display.init();
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}
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void display_terminate()
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{
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display.terminate();
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spiStm32_terminate(&spi2);
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}
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void display_renderRows(uint8_t startRow, uint8_t endRow, void *fb)
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{
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display.renderRows(startRow, endRow, fb);
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}
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void display_render(void *fb)
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{
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display.render(fb);
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}
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void display_setContrast(uint8_t contrast)
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{
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display.setContrast(contrast);
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}
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void display_setBacklightLevel(uint8_t level)
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{
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(void) level;
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}
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