93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/*
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* Copyright (C) 2021 Inria
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Test application for the qr-code-generator package
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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*
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* @}
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "qrcodegen.h"
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#ifdef MODULE_DISP_DEV
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#include "disp_dev.h"
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#endif
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#ifndef MESSAGE_TO_ENCODE
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#define MESSAGE_TO_ENCODE "unknown"
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#endif
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static uint8_t qr0[qrcodegen_BUFFER_LEN_FOR_VERSION(2)];
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static uint8_t buffer[qrcodegen_BUFFER_LEN_FOR_VERSION(2)];
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int main(void)
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{
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if (!qrcodegen_encodeText(MESSAGE_TO_ENCODE,
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buffer, qr0, qrcodegen_Ecc_MEDIUM,
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qrcodegen_VERSION_MIN, qrcodegen_VERSION_MAX,
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qrcodegen_Mask_AUTO, true)) {
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puts("Encoding error");
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return -1;
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}
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int size = qrcodegen_getSize(qr0);
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#ifdef MODULE_DISP_DEV
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/* Use the first screen */
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disp_dev_reg_t *disp_dev = disp_dev_reg_find_screen(0);
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if (!disp_dev) {
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puts("No screen found!");
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return -1;
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}
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disp_dev_backlight_on();
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uint16_t white = UINT16_MAX;
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uint16_t black = 0;
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for (uint16_t y = 0; y < disp_dev_height(disp_dev->dev); y++) {
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for (uint16_t x = 0; x < disp_dev_width(disp_dev->dev); x++) {
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disp_dev_map(disp_dev->dev, x, x, y, y, &black);
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}
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}
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const uint8_t scale = disp_dev_height(disp_dev->dev) / size;
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const uint8_t w_offset = (disp_dev_width(disp_dev->dev) - (size * scale)) / 2;
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const uint8_t h_offset = (disp_dev_height(disp_dev->dev) - (size * scale)) / 2;
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#endif
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for (int y = 0; y < size; y++) {
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for (int x = 0; x < size; x++) {
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#ifdef MODULE_DISP_DEV
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for (int w = x * scale; w < (x + 1) * scale; w++) {
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for (int h = y * scale; h < (y + 1) * scale; h++) {
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if (qrcodegen_getModule(qr0, x, y)) {
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disp_dev_map(disp_dev->dev,
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w + w_offset, w + w_offset, h + h_offset, h + h_offset,
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&white);
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}
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}
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}
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#endif
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printf("%s", qrcodegen_getModule(qr0, x, y) ? "██" : " ");
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}
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puts("");
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}
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return 0;
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}
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