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- /*
- * lcd.c
- *
- * Copyright (c) 2023 - 2024 Thomas Buck (thomas@xythobuz.de)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * See <http://www.gnu.org/licenses/>.
- */
-
- #include <string.h>
-
- #include "hardware/i2c.h"
- #include "ssd1306.h"
- #include "git.h"
-
- #include "config.h"
- #include "log.h"
- #include "lcd.h"
-
- #define LCD_I2C_ADDR 0x3C
-
- static i2c_inst_t *gpio_inst_i2c = i2c1;
- static const uint gpio_num_i2c[2] = { 14, 15 };
-
- static ssd1306_t lcd = {0};
- static bool found = false;
-
- void lcd_init(void) {
- i2c_init(gpio_inst_i2c, 2UL * 1000UL * 1000UL);
-
- for (uint i = 0; i < sizeof(gpio_num_i2c) / sizeof(gpio_num_i2c[0]); i++) {
- gpio_set_function(gpio_num_i2c[i], GPIO_FUNC_I2C);
- gpio_pull_up(gpio_num_i2c[i]);
- }
-
- found = ssd1306_init(&lcd, LCD_WIDTH, LCD_HEIGHT, LCD_I2C_ADDR, gpio_inst_i2c);
-
- if (found) {
- debug("SSD1306 OLED is connected");
- } else {
- debug("No SSD1306 OLED found!");
- }
- }
-
- void lcd_splash_version(void) {
- if (!found) {
- return;
- }
-
- ssd1306_clear(&lcd);
-
- ssd1306_draw_string(&lcd, 0, 0, 2,
- "Dispensy");
-
- ssd1306_draw_string(&lcd, 0, FONT_HEIGHT * 2 + 1, 1,
- "Release: " VERSION_STR);
-
- ssd1306_draw_string(&lcd, 0, FONT_HEIGHT * 2 + 1 + FONT_HEIGHT + 1, 1,
- __DATE__ " " __TIME__);
-
- if (git_IsPopulated()) {
- const char *hash = git_CommitSHA1();
- char short_hash[6 + 7 + 1] = {0};
- memcpy(short_hash, "Hash: ", 6);
- memcpy(short_hash + 6, hash, 7);
- ssd1306_draw_string(&lcd, 0, FONT_HEIGHT * 2 + 1 + (FONT_HEIGHT + 1) * 2, 1,
- short_hash);
-
- if (git_AnyUncommittedChanges()) {
- ssd1306_draw_string(&lcd, 0, FONT_HEIGHT * 2 + 1 + (FONT_HEIGHT + 1) * 3, 1,
- "Repo has changes!");
- }
- } else {
- ssd1306_draw_string(&lcd, 0, FONT_HEIGHT * 2 + 1 + (FONT_HEIGHT + 1) * 2, 1,
- "No Git Repo");
- }
-
- ssd1306_show(&lcd);
- }
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