cedcd2d94e
When the pixel format fails to set to MONO10, try to set it to MONO01. Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@fujitsu.com>
89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
/*
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* Copyright (c) 2018 PHYTEC Messtechnik GmbH
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/device.h>
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#include <zephyr/display/cfb.h>
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#include <stdio.h>
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int main(void)
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{
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const struct device *dev;
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uint16_t x_res;
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uint16_t y_res;
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uint16_t rows;
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uint8_t ppt;
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uint8_t font_width;
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uint8_t font_height;
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dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_display));
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if (!device_is_ready(dev)) {
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printf("Device %s not ready\n", dev->name);
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return 0;
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}
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if (display_set_pixel_format(dev, PIXEL_FORMAT_MONO10) != 0) {
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if (display_set_pixel_format(dev, PIXEL_FORMAT_MONO01) != 0) {
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printf("Failed to set required pixel format");
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return 0;
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}
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}
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printf("Initialized %s\n", dev->name);
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if (cfb_framebuffer_init(dev)) {
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printf("Framebuffer initialization failed!\n");
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return 0;
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}
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cfb_framebuffer_clear(dev, true);
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display_blanking_off(dev);
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x_res = cfb_get_display_parameter(dev, CFB_DISPLAY_WIDTH);
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y_res = cfb_get_display_parameter(dev, CFB_DISPLAY_HEIGH);
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rows = cfb_get_display_parameter(dev, CFB_DISPLAY_ROWS);
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ppt = cfb_get_display_parameter(dev, CFB_DISPLAY_PPT);
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for (int idx = 0; idx < 42; idx++) {
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if (cfb_get_font_size(dev, idx, &font_width, &font_height)) {
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break;
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}
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cfb_framebuffer_set_font(dev, idx);
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printf("font width %d, font height %d\n",
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font_width, font_height);
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}
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printf("x_res %d, y_res %d, ppt %d, rows %d, cols %d\n",
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x_res,
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y_res,
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ppt,
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rows,
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cfb_get_display_parameter(dev, CFB_DISPLAY_COLS));
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cfb_framebuffer_invert(dev);
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cfb_set_kerning(dev, 3);
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while (1) {
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for (int i = 0; i < MIN(x_res, y_res); i++) {
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cfb_framebuffer_clear(dev, false);
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if (cfb_print(dev,
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"0123456789mMgj!\"§$%&/()=",
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i, i)) {
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printf("Failed to print a string\n");
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continue;
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}
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cfb_framebuffer_finalize(dev);
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#if defined(CONFIG_ARCH_POSIX)
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k_sleep(K_MSEC(20));
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#endif
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}
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}
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return 0;
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}
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