806428efeb
* Add 1-wire thermometer example app stub * Working 1-wire thermometer app * Refactor app to use threads * Clean up code, add comments * Add CRC checking * Increase update period * Fix error in fbt * Revert the old update period * Use settable pin in onewire_host * Use settable pin for onewire_slave * Clear EXTI flag after callback, make private methods static in onewire_slave * Do not hardcode GPIO pin number * Remove iButton hal from furi_hal_rfid * Remove most of furi_hal_ibutton * Add some of furi_hal_ibutton back * Slightly neater code * Update CODEOWNERS * Add furi_hal_gpio_get_ext_pin_number * Create README.md * Temporary get Metakom and Cyfral keys out of the way * Better enum name * Syncing work, does not compile * Syncing work, now compiles * Working read impl for DS1990 and DS1992 * Add the ability to display extended key data * Get rid of DialogEx * Add save and load API * Better iButtonKey encapsulation * Fix crash * Load key code boilerplate * More load key code boilerplate * Minor code cleanup * Implement loading and saving DS1990 keys * Implement the Info scene * Implement loading & saving for DS1992 * Implement read error scene stub * Implement delete confirmation screen * Better error messages (protocol-dependent) * Minor old code cleanup * Remove iButtonDevice, add command callback to iButtonSlave * Implement draft emulation for DS1990 * Better emulation for DS1990 * Initial emulation implementation for DS1992 * Better common command definitions * Use common submenu callback, add protocol list * Improve ViewData screen * Improve scene_add_type * Add stubs for write functionality * Improve naming consistency * Implement writing a DS1992 onto another one * Improve DS1992 write code * Improve DS1992 write code once more * Prepare write_blank for DS1990, delete ibutton_writer * Implement writing DS1990 onto blanks * Fix reading DS1990 * Partially implement writing DS1992 onto blanks * Implement GUI for writing keys * Implement GUI for emulating keys * Reduce memory usage for pretty_format * Automatically truncate data more than 256 bytes * Initial implementation of DS1996 (not tested) * Fix crash due to missing virtual function * Improve emulation code * Improve DS1992 emulation code * Correct return value for onewire_slave_send * Correct return value for onewire_slave_receive * Implement emulation for DS1992 & DS1996 * Better constant names * Simplify & optimise the emulation code * Remove duplicate code * Add skip rom command emulation * Show loading animation for large keys * Implement manual adding & editing of keys * Use buffered file streams to speed up saving & loading * Reset key name before adding a new one * Sync a buffered file stream before saving * Use the DSGeneric protocol as a fallback option * Implement emulation via RPC * Refactor iButton code in preparation for comparator keys * Refactor iButton code in preparation for comparator keys once more * Make some functions static * Make protocols not rely on one_wire classes * Improve ProtocolDict usage * Improve ProtocolDict usage more * Implement reading Metakom & Cyfral keys * Rename some files * Better file structure * Implement a unified interface for misc protocols * Implement a unified interface for dallas protocols * Concrete types for Dallas protocols * Implement a unified interface for all key types * Improved type naming * Improved private types * Proper types in protocol definitions * Implement emulation for Cyfral & Metakom keys * Implement save&load for Metakom & Cyfral keys * Better type names * Rename files, better names * Allocate iButtonProtocols like a normal class * Reset the key each time the start scene is selected * Improve comments and constants * Add ibutton_protocols to SDK headers * Add ibutton_key to SDK headers * Add ibutton_key to SDK headers * Implement reading via cli * Implement emulation via cli * Implement writing Dallas blanks via cli * Correctly revert the editing if cancelled by the user * Correct committing mishap * Elide the long text on the info screen * Change key name for data in Misc keys * Update iButtonFileFormat.md * Remember the key's folder * Save menu position in ReadKeyMenu and SavedKeyMenu * Correct use of preselected path in file browser Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
#include "rw1990.h"
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#include <core/kernel.h>
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#define RW1990_1_CMD_WRITE_RECORD_FLAG 0xD1
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#define RW1990_1_CMD_READ_RECORD_FLAG 0xB5
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#define RW1990_1_CMD_WRITE_ROM 0xD5
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#define RW1990_2_CMD_WRITE_RECORD_FLAG 0x1D
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#define RW1990_2_CMD_READ_RECORD_FLAG 0x1E
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#define RW1990_2_CMD_WRITE_ROM 0xD5
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#define DS1990_CMD_READ_ROM 0x33
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static void rw1990_write_byte(OneWireHost* host, uint8_t value) {
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for(uint8_t bitMask = 0x01; bitMask; bitMask <<= 1) {
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onewire_host_write_bit(host, (bool)(bitMask & value));
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furi_delay_us(5000);
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}
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}
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static bool rw1990_read_and_compare(OneWireHost* host, const uint8_t* data, size_t data_size) {
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bool success = false;
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if(onewire_host_reset(host)) {
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success = true;
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onewire_host_write(host, DS1990_CMD_READ_ROM);
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for(size_t i = 0; i < data_size; ++i) {
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if(data[i] != onewire_host_read(host)) {
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success = false;
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break;
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}
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}
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}
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return success;
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}
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bool rw1990_write_v1(OneWireHost* host, const uint8_t* data, size_t data_size) {
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// Unlock sequence
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onewire_host_reset(host);
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onewire_host_write(host, RW1990_1_CMD_WRITE_RECORD_FLAG);
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furi_delay_us(10);
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onewire_host_write_bit(host, false);
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furi_delay_us(5000);
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// Write data
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onewire_host_reset(host);
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onewire_host_write(host, RW1990_1_CMD_WRITE_ROM);
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for(size_t i = 0; i < data_size; ++i) {
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// inverted key for RW1990.1
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rw1990_write_byte(host, ~(data[i]));
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furi_delay_us(30000);
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}
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// Lock sequence
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onewire_host_write(host, RW1990_1_CMD_WRITE_RECORD_FLAG);
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onewire_host_write_bit(host, true);
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furi_delay_us(10000);
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// TODO: Better error handling
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return rw1990_read_and_compare(host, data, data_size);
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}
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bool rw1990_write_v2(OneWireHost* host, const uint8_t* data, size_t data_size) {
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// Unlock sequence
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onewire_host_reset(host);
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onewire_host_write(host, RW1990_2_CMD_WRITE_RECORD_FLAG);
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furi_delay_us(10);
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onewire_host_write_bit(host, true);
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furi_delay_us(5000);
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// Write data
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onewire_host_reset(host);
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onewire_host_write(host, RW1990_2_CMD_WRITE_ROM);
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for(size_t i = 0; i < data_size; ++i) {
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rw1990_write_byte(host, data[i]);
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furi_delay_us(30000);
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}
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// Lock sequence
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onewire_host_write(host, RW1990_2_CMD_WRITE_RECORD_FLAG);
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onewire_host_write_bit(host, false);
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furi_delay_us(10000);
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// TODO: Better error handling
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return rw1990_read_and_compare(host, data, data_size);
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}
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