mirror of
https://github.com/whowechina/aic_pico.git
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60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/*
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* NFC Operations
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* WHowe <github.com/whowechina>
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*
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*/
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#ifndef NFC_H
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#define NFC_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "hardware/i2c.h"
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#include "hardware/spi.h"
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typedef enum {
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NFC_CARD_NONE = 0,
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NFC_CARD_MIFARE,
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NFC_CARD_FELICA,
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NFC_CARD_VICINITY,
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} nfc_card_type;
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const char *nfc_card_name(nfc_card_type card_type);
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typedef void (*nfc_wait_loop_t)();
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typedef struct {
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nfc_card_type card_type;
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uint16_t len;
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union {
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uint8_t uid[8];
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uint8_t idm[8];
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};
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uint8_t pmm[8];
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uint8_t syscode[2];
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} nfc_card_t;
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/* should init or attach i2c and spi port before init */
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void nfc_attach_i2c(i2c_inst_t *port);
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void nfc_attach_spi(spi_inst_t *port, uint8_t rst, uint8_t nss, uint8_t busy);
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void nfc_init_i2c(i2c_inst_t *port, uint8_t scl, uint8_t sda, uint32_t freq);
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void nfc_init_spi(spi_inst_t *port, uint8_t miso, uint8_t sck, uint8_t mosi,
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uint8_t rst, uint8_t nss, uint8_t busy);
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void nfc_init();
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/* should be called only after init */
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void nfc_set_wait_loop(nfc_wait_loop_t loop);
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void nfc_rf_field(bool on);
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nfc_card_t nfc_detect_card();
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void display_card(const nfc_card_t *card);
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const char *nfc_module_name();
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bool nfc_mifare_auth(const uint8_t uid[4], uint8_t block_id, uint8_t key_id, const uint8_t *key);
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bool nfc_mifare_read(uint8_t block_id, uint8_t block_data[16]);
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#endif
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