bdba15b366
* iButton: getting started on the worker concept * Hal delay: added global instructions_per_us variable * iButton: one wire slave * iButton: ibutton key setter * iButton: one wire host, use ibutton_hal * iButton\RFID: common pulse decoder concept * iButton: cyfral decoder * iButton: worker thread concept * iButton: metakom decoder * iButton: write key through worker * iButton: worker mode holder * iButton: worker improvements * iButton: Cyfral encoder * iButton: Metakom encoder * lib: pulse protocol helpers * iButton: Metakom decoder * iButton: Cyfral decoder * iButton worker: separate modes * iButton: libs documentation * HAL: iButton gpio modes * iButton worker: rename modes file * iButton worker, hal: move to LL * iButton CLI: worker for reading and emulation commands * iButton HAL: correct init and emulation sequence * iButton cli: moved to plain C * iButton: move to worker, small step to plain C * Libs, one wire: move to plain C * Libs: added forgotten files to compilation * iButton writer: get rid of manual disable/enable irq
121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
#include <furi.h>
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#include <one_wire/maxim_crc.h>
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#include "ibutton_key.h"
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struct iButtonKey {
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uint8_t data[IBUTTON_KEY_DATA_SIZE];
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char name[IBUTTON_KEY_NAME_SIZE];
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iButtonKeyType type;
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};
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iButtonKey* ibutton_key_alloc() {
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iButtonKey* key = malloc(sizeof(iButtonKey));
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memset(key, 0, sizeof(iButtonKey));
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return key;
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}
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void ibutton_key_free(iButtonKey* key) {
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free(key);
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}
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void ibutton_key_set(iButtonKey* to, const iButtonKey* from) {
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memcpy(to, from, sizeof(iButtonKey));
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}
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void ibutton_key_set_data(iButtonKey* key, uint8_t* data, uint8_t data_count) {
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furi_check(data_count > 0);
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furi_check(data_count <= IBUTTON_KEY_DATA_SIZE);
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memset(key->data, 0, IBUTTON_KEY_DATA_SIZE);
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memcpy(key->data, data, data_count);
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}
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void ibutton_key_clear_data(iButtonKey* key) {
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memset(key->data, 0, IBUTTON_KEY_DATA_SIZE);
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}
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const uint8_t* ibutton_key_get_data_p(iButtonKey* key) {
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return key->data;
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}
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uint8_t ibutton_key_get_data_size(iButtonKey* key) {
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return ibutton_key_get_size_by_type(key->type);
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}
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void ibutton_key_set_name(iButtonKey* key, const char* name) {
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strlcpy(key->name, name, IBUTTON_KEY_NAME_SIZE);
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}
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const char* ibutton_key_get_name_p(iButtonKey* key) {
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return key->name;
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}
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void ibutton_key_set_type(iButtonKey* key, iButtonKeyType key_type) {
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key->type = key_type;
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}
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iButtonKeyType ibutton_key_get_type(iButtonKey* key) {
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return key->type;
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}
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const char* ibutton_key_get_string_by_type(iButtonKeyType key_type) {
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switch(key_type) {
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case iButtonKeyCyfral:
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return "Cyfral";
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break;
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case iButtonKeyMetakom:
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return "Metakom";
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break;
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case iButtonKeyDS1990:
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return "Dallas";
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break;
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default:
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furi_crash("Invalid iButton type");
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return "";
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break;
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}
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}
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bool ibutton_key_get_type_by_string(const char* type_string, iButtonKeyType* key_type) {
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if(strcmp(type_string, ibutton_key_get_string_by_type(iButtonKeyCyfral)) == 0) {
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*key_type = iButtonKeyCyfral;
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} else if(strcmp(type_string, ibutton_key_get_string_by_type(iButtonKeyMetakom)) == 0) {
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*key_type = iButtonKeyMetakom;
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} else if(strcmp(type_string, ibutton_key_get_string_by_type(iButtonKeyDS1990)) == 0) {
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*key_type = iButtonKeyDS1990;
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} else {
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return false;
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}
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return true;
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}
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uint8_t ibutton_key_get_size_by_type(iButtonKeyType key_type) {
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uint8_t size = 0;
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switch(key_type) {
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case iButtonKeyCyfral:
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size = 2;
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break;
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case iButtonKeyMetakom:
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size = 4;
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break;
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case iButtonKeyDS1990:
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size = 8;
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break;
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}
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return size;
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}
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uint8_t ibutton_key_get_max_size() {
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return IBUTTON_KEY_DATA_SIZE;
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}
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bool ibutton_key_dallas_crc_is_valid(iButtonKey* key) {
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return (maxim_crc8(key->data, 8, MAXIM_CRC8_INIT) == 0);
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}
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bool ibutton_key_dallas_is_1990_key(iButtonKey* key) {
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return (key->data[0] == 0x01);
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} |