94 lines
No EOL
1.8 KiB
C
94 lines
No EOL
1.8 KiB
C
#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <uuid/uuid.h>
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#include "controller.h"
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#include <macros.h>
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controller*
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controller_create(void)
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{
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controller *result = malloc(sizeof(*result));
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uuid_generate(result->uuid);
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strcpy(result->name, "new emgauwa device");
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result->port = 0;
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result->relay_count = 10;
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result->relays = malloc(sizeof(*result->relays) * result->relay_count);
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uint8_t i;
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for(i = 0; i < result->relay_count; i++)
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{
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result->relays[i] = relay_init(i);
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}
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return result;
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}
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controller*
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controller_read(void)
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{
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FILE *fp;
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controller *result;;
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fp = fopen(CONTROLLER_FILE_NAME, "rb");
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if(fp == NULL)
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{
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LOG_ERROR("Error opening file");
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result = controller_create();
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return result;
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}
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uint8_t header[CONTROLLER_FILE_HEADER_SIZE];
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size_t read_size;
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read_size = fread(header, sizeof(*header), CONTROLLER_FILE_HEADER_SIZE, fp);
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if(ferror(fp) || read_size != CONTROLLER_FILE_HEADER_SIZE)
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{
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LOG_ERROR("Error reading header");
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result = controller_create();
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return result;
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}
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uint8_t version = header[0];
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printf("%d\n", version);
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// size_t fread(void *ptr, size_t size_of_elements, size_t number_of_elements, FILE *a_file);
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fclose(fp);
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result = controller_create();
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return result;
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}
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int
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controller_save(controller* ci)
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{
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FILE *fp;
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fp = fopen(CONTROLLER_FILE_NAME, "w+b");
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if(fp == NULL)
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{
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LOG_ERROR("Error creating or opening file");
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return 1;
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}
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uint8_t header[CONTROLLER_FILE_HEADER_SIZE];
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header[0] = CONTROLLER_FILE_VERSION;
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fwrite(header, sizeof(*header), CONTROLLER_FILE_HEADER_SIZE, fp);
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fwrite(ci->name, sizeof(*ci->name), CONTROLLER_NAME_LENGTH, fp);
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fclose(fp);
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return 0;
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} |