69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include "esp_log.h"
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#include "esp_system.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "app_peripherals.h"
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#include "esp_code_scanner.h"
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static const char *TAG = "APP_CODE_SCANNER";
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static void decode_task()
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{
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if(ESP_OK != app_camera_init()) {
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vTaskDelete(NULL);
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return;
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}
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#ifdef LCD_CONTROLLER
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int USE_LCD = 0;
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scr_driver_t g_lcd;
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if (ESP_OK == app_lcd_init(&g_lcd))
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USE_LCD = 1;
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#endif
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camera_fb_t *fb = NULL;
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int64_t time1, time2;
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while (1)
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{
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fb = esp_camera_fb_get();
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if(fb == NULL){
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ESP_LOGI(TAG, "camera get failed\n");
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continue;
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}
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time1 = esp_timer_get_time();
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// Decode Progress
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esp_image_scanner_t *esp_scn = esp_code_scanner_create();
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esp_code_scanner_config_t config = {ESP_CODE_SCANNER_MODE_FAST, ESP_CODE_SCANNER_IMAGE_RGB565, fb->width, fb->height};
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esp_code_scanner_set_config(esp_scn, config);
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int decoded_num = esp_code_scanner_scan_image(esp_scn, fb->buf);
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if(decoded_num){
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esp_code_scanner_symbol_t result = esp_code_scanner_result(esp_scn);
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time2 = esp_timer_get_time();
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ESP_LOGI(TAG, "Decode time in %lld ms.", (time2 - time1) / 1000);
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ESP_LOGI(TAG, "Decoded %s symbol \"%s\"\n", result.type_name, result.data);
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}
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esp_code_scanner_destroy(esp_scn);
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#ifdef LCD_CONTROLLER
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if(USE_LCD){
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g_lcd.draw_bitmap(0, 0, fb->width, fb->height, (uint16_t *)fb->buf);
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}
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#endif
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esp_camera_fb_return(fb);
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vTaskDelay(10 / portTICK_PERIOD_MS);
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}
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}
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void app_main()
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{
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xTaskCreatePinnedToCore(decode_task, TAG, 4 * 1024, NULL, 6, NULL, 0);
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} |