0917494a80
* Separate ibutton to its own module, add one_wire to f18 * Move onewire cli to a separate app Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
#pragma once
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#include <flipper_format.h>
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#include <one_wire/one_wire_host.h>
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#include <one_wire/one_wire_slave.h>
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#define DALLAS_COMMON_MANUFACTURER_NAME "Dallas"
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#define DALLAS_COMMON_CMD_READ_ROM 0x33U
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#define DALLAS_COMMON_CMD_MATCH_ROM 0x55U
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#define DALLAS_COMMON_CMD_SKIP_ROM 0xCCU
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#define DALLAS_COMMON_CMD_COND_SEARCH 0xECU
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#define DALLAS_COMMON_CMD_SEARCH_ROM 0xF0U
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#define DALLAS_COMMON_CMD_READ_SCRATCH 0xAAU
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#define DALLAS_COMMON_CMD_WRITE_SCRATCH 0x0FU
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#define DALLAS_COMMON_CMD_COPY_SCRATCH 0x55U
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#define DALLAS_COMMON_CMD_READ_MEM 0xF0U
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#define DALLAS_COMMON_CMD_OVERDRIVE_SKIP_ROM 0x3CU
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#define DALLAS_COMMON_CMD_OVERDRIVE_MATCH_ROM 0x69U
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typedef enum {
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DallasCommonCommandStateIdle,
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DallasCommonCommandStateRomCmd,
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DallasCommonCommandStateMemCmd,
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} DallasCommonCommandState;
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typedef union {
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struct {
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uint8_t family_code;
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uint8_t serial_number[6];
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uint8_t checksum;
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} fields;
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uint8_t bytes[8];
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} DallasCommonRomData;
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typedef union {
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struct {
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uint8_t address_lo;
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uint8_t address_hi;
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uint8_t status;
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} fields;
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uint8_t bytes[3];
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} DallasCommonAddressRegs;
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/* Standard(ish) iButton commands */
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bool dallas_common_skip_rom(OneWireHost* host);
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bool dallas_common_read_rom(OneWireHost* host, DallasCommonRomData* rom_data);
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bool dallas_common_write_scratchpad(
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OneWireHost* host,
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uint16_t address,
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const uint8_t* data,
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size_t data_size);
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bool dallas_common_read_scratchpad(
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OneWireHost* host,
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DallasCommonAddressRegs* regs,
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uint8_t* data,
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size_t data_size);
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bool dallas_common_copy_scratchpad(
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OneWireHost* host,
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const DallasCommonAddressRegs* regs,
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uint32_t timeout_us);
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bool dallas_common_read_mem(OneWireHost* host, uint16_t address, uint8_t* data, size_t data_size);
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/* Combined operations */
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bool dallas_common_write_mem(
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OneWireHost* host,
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uint32_t timeout_us,
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size_t page_size,
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const uint8_t* data,
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size_t data_size);
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/* Emulation */
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bool dallas_common_emulate_search_rom(OneWireSlave* bus, const DallasCommonRomData* rom_data);
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bool dallas_common_emulate_read_rom(OneWireSlave* bus, const DallasCommonRomData* rom_data);
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bool dallas_common_emulate_read_mem(OneWireSlave* bus, const uint8_t* data, size_t data_size);
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/* Save & Load */
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bool dallas_common_save_rom_data(FlipperFormat* ff, const DallasCommonRomData* rom_data);
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bool dallas_common_load_rom_data(
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FlipperFormat* ff,
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uint32_t format_version,
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DallasCommonRomData* rom_data);
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/* Miscellaneous */
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bool dallas_common_is_valid_crc(const DallasCommonRomData* rom_data);
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void dallas_common_render_brief_data(
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FuriString* result,
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const DallasCommonRomData* rom_data,
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const uint8_t* mem_data,
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size_t mem_size,
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const char* mem_name);
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void dallas_common_render_crc_error(FuriString* result, const DallasCommonRomData* rom_data);
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void dallas_common_apply_edits(DallasCommonRomData* rom_data, uint8_t family_code);
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