82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*
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* Example code to test i2c link
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*/
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/////////////////////////////////Lib
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#include "espressif/esp_common.h"
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#include "esp/uart.h"
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#include "FreeRTOS.h"
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#include "task.h"
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#include "esp8266.h"
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//extras
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#include "crc_config_perso.h"
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unsigned char check_data[] = { "123456789" };
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void crc_8bit(void *pvParameters) {
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config_crc_8 customcrc ; // my crc object
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crc_8 tabsrc[256]; // my crc kook-up table
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crc_8_generic_init(&customcrc,0x31, 8, 0x00, 0x00, 1, 1, 1);
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// Use table algorithm / generate table
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crc_8_generic_select_algo(&customcrc, tabsrc, CRC_TABLE, 0);
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//show table
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printf("tabsrc[256] = {");
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for (crc_16 i = 0 ; i < 256 ; i++)
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{
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if(!(i%8)) printf("\n");
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printf("0x%02X, ",tabsrc[i]);
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}
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printf("\n};\n");
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//show setting of crc
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printf("CRC library v1.0 written on 11/02/2017 by Zaltora\n");
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printf("-------------------------------------------------\n");
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printf("\n");
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printf("Parameters:\n");
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printf("\n");
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printf(" polynom : 0x%02X\n", customcrc.polynom);
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printf(" order : %d\n", customcrc.order);
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printf(" crcinit : 0x%02X direct, 0x%x nondirect\n", customcrc.private.crcinit_direct, customcrc.private.crcinit_nondirect);
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printf(" crcxor : 0x%02X\n", customcrc.crcxor);
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printf(" refin : %d\n", customcrc.refin);
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printf(" refout : %d\n", customcrc.refout);
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printf("\n");
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printf("check_data : '%s' (%d bytes)\n", check_data, sizeof(check_data));
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printf("\n");
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printf("Results:\n");
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printf("\n");
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crc_8_generic_select_algo(&customcrc, (crc_8*)tabsrc, CRC_TABLE, 0);
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printf("CRC_TABLE\t\t: 0x%02X\n", crc_8_generic_compute(&customcrc, check_data, sizeof(check_data)));
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crc_8_generic_select_algo(&customcrc, (crc_8*)tabsrc, CRC_TABLE_FAST, 0);
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printf("CRC_TABLE_FAST\t\t: 0x%02X\n", crc_8_generic_compute(&customcrc, check_data, sizeof(check_data)));
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crc_8_generic_select_algo(&customcrc, NULL, CRC_BIT_TO_BIT, 0);
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printf("CRC_BIT_TO_BIT\t\t: 0x%02X\n", crc_8_generic_compute(&customcrc, check_data, sizeof(check_data)));
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crc_8_generic_select_algo(&customcrc, NULL, CRC_BIT_TO_BIT_FAST, 0);
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printf("CRC_BIT_TO_BIT_FAST\t: 0x%02X\n", crc_8_generic_compute(&customcrc, check_data, sizeof(check_data)));
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crc_8_generic_select_algo(&customcrc, (crc_8*)crc_8_tab_MAXIM, CRC_TABLE_FAST, 1);
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printf("CRC_TABLE_BUILTIN\t\t: 0x%02X\n", crc_8_generic_compute(&customcrc, check_data, sizeof(check_data)));
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vTaskDelay(2000 / portTICK_PERIOD_MS) ;
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while (1) {
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vTaskDelay(1000 / portTICK_PERIOD_MS) ;
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}
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}
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void user_init(void)
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{
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sdk_system_update_cpu_freq(160);
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uart_set_baud(0, 115200);
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printf("SDK version:%s\n", sdk_system_get_sdk_version());
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printf("Start\n\n");
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xTaskCreate(crc_8bit, "crc_8bit", 512, NULL, 2, NULL);
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}
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