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@eeemarv/io-spi

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Promise Based Native Node.js Addon for SPI devices on Linux

github.com/eeemarv/io-spi

eeemarv/io-spi

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// @ts-check "use strict"; /** * Based on https://github.com/miguelbalboa/rfid * Commands sent to the PICC. * https://www.nxp.com/docs/en/data-sheet/MFRC522.pdf */ const PICC_Cmd = { // The commands used by the PCD to manage communication with several PICCs (ISO 14443-3, Type A, section 6.4) REQA: 0x26, // REQuest command, Type A. Invites PICCs in state IDLE to go to READY and prepare for anticollision or selection. 7 bit frame. WUPA: 0x52, // Wake-UP command, Type A. Invites PICCs in state IDLE and HALT to go to READY(*) and prepare for anticollision or selection. 7 bit frame. CT: 0x88, // Cascade Tag. Not really a command, but used during anti collision. SEL_CL1: 0x93, // Anti collision/Select, Cascade Level 1 SEL_CL2: 0x95, // Anti collision/Select, Cascade Level 2 SEL_CL3: 0x97, // Anti collision/Select, Cascade Level 3 HLTA: 0x50, // HaLT command, Type A. Instructs an ACTIVE PICC to go to state HALT. RATS: 0xE0, // Request command for Answer To Reset. // The commands used for MIFARE Classic (from http://www.mouser.com/ds/2/302/MF1S503x-89574.pdf, Section 9) // Use PCD_MFAuthent to authenticate access to a sector, then use these commands to read/write/modify the blocks on the sector. // The read/write commands can also be used for MIFARE Ultralight. MF_AUTH_KEY_A: 0x60, // Perform authentication with Key A MF_AUTH_KEY_B: 0x61, // Perform authentication with Key B MF_READ: 0x30, // Reads one 16 byte block from the authenticated sector of the PICC. Also used for MIFARE Ultralight. MF_WRITE: 0xA0, // Writes one 16 byte block to the authenticated sector of the PICC. Called "COMPATIBILITY WRITE" for MIFARE Ultralight. MF_DECREMENT: 0xC0, // Decrements the contents of a block and stores the result in the internal data register. MF_INCREMENT: 0xC1, // Increments the contents of a block and stores the result in the internal data register. MF_RESTORE: 0xC2, // Reads the contents of a block into the internal data register. MF_TRANSFER: 0xB0, // Writes the contents of the internal data register to a block. // The commands used for MIFARE Ultralight (from http://www.nxp.com/documents/data_sheet/MF0ICU1.pdf, Section 8.6) // The MF_READ and MF_WRITE can also be used for MIFARE Ultralight. UL_WRITE: 0xA2 // Writes one 4 byte page to the PICC. }; export { PICC_Cmd };