240 lines
6.4 KiB
C
240 lines
6.4 KiB
C
#include "FastLED.h"
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#define NUM_LEDS 6
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#define DATA_PIN A3
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#define BRI 50
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CRGB leds[NUM_LEDS];
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#include "Adafruit_PN532.h"
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#define PN532_IRQ (4)
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Adafruit_PN532 nfc(PN532_IRQ, 16);
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boolean readerDisabled = false;
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uint8_t AimeKey[6];
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uint8_t MifareKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
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enum {
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SG_NFC_CMD_GET_FW_VERSION = 0x30,//获取FW版本
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SG_NFC_CMD_GET_HW_VERSION = 0x32,//获取HW版本
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SG_NFC_CMD_RADIO_ON = 0x40,//打开读卡器天线
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SG_NFC_CMD_RADIO_OFF = 0x41,//关闭读卡器天线
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SG_NFC_CMD_POLL = 0x42,//发送卡号
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SG_NFC_CMD_MIFARE_SELECT_TAG = 0x43,
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SG_NFC_CMD_MIFARE_SET_KEY_BANA = 0x50,
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SG_NFC_CMD_MIFARE_READ_BLOCK = 0x52,
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SG_NFC_CMD_MIFARE_SET_KEY_AIME = 0x54,
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SG_NFC_CMD_MIFARE_AUTHENTICATE = 0x55,
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SG_NFC_CMD_RESET = 0x62,//重置读卡器
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SG_NFC_CMD_FELICA_ENCAP = 0x71,
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SG_RGB_CMD_SET_COLOR = 0x81,//LED颜色设置
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SG_RGB_CMD_RESET = 0xF5,//LED重置
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SG_RGB_CMD_GET_INFO = 0xF0,//LED信息获取
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FELICA_CMD_POLL = 0x00,//ENCAP用
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FELICA_CMD_GET_SYSTEM_CODE = 0x0c,
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FELICA_CMD_NDA_A4 = 0xa4,
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};
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typedef union packet_req {
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uint8_t bytes[256];
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struct {
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uint8_t frame_len;
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uint8_t addr;
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uint8_t seq_no;
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uint8_t cmd;
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uint8_t payload_len;
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union {
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uint8_t key[6];// sg_nfc_req_mifare_set_key
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struct {// sg_nfc_cmd_mifare_read_block
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uint8_t uid[4];
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uint8_t block_no;
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};
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struct {// sg_nfc_req_felica_encap
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uint8_t IDm[8];
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uint8_t encap_len;
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uint8_t code;
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uint8_t felica_payload[241];
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};
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uint8_t color_payload[3];//sg_led_req_set_color
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};
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};
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} packet_req_t;
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typedef union packet_res {
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uint8_t bytes[256];
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struct {
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uint8_t frame_len;
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uint8_t addr;
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uint8_t seq_no;
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uint8_t cmd;
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uint8_t status;
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uint8_t payload_len;
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union {
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char version[23];// sg_nfc_res_get_fw_version,sg_nfc_res_get_hw_version
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struct {// sg_nfc_res_poll
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uint8_t count;
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uint8_t type;
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uint8_t id_len;
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union {
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uint8_t uid[4];
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uint8_t IDPM[16];
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};
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};
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uint8_t block[16];// sg_nfc_res_mifare_read_block
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struct {// sg_nfc_res_felica_encap
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uint8_t encap_len;
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uint8_t code;
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uint8_t IDm[8];
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union {
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struct {
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uint8_t PMm[8];
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uint8_t system_code[2];
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};
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uint8_t felica_payload[241];
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};
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};
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uint8_t reset_payload; //sg_led_res_reset
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uint8_t info_payload[9]; //sg_led_res_get_info
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};
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};
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} packet_res_t;
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static packet_req_t req;
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static packet_res_t res;
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static void sg_res_init(uint8_t payload_len = 0) { //初始化模板
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res.frame_len = 6 + payload_len;
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res.addr = req.addr;
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res.seq_no = req.seq_no;
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res.cmd = req.cmd;
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res.status = 0;
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res.payload_len = payload_len;
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}
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static void sg_nfc_cmd_reset() {//重置读卡器
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sg_res_init();
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res.status = 3;
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readerDisabled = true;
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}
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static void sg_nfc_cmd_get_fw_version() {
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sg_res_init(sizeof(res.version));
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memcpy(res.version, "TN32MSEC003S F/W Ver1.2E", sizeof(res.version));
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}
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static void sg_nfc_cmd_get_hw_version() {
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sg_res_init(sizeof(res.version));
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memcpy(res.version, "TN32MSEC003S H/W Ver3.0J", sizeof(res.version));
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}
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static void sg_nfc_cmd_mifare_set_key_aime() {
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sg_res_init();
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memcpy(req.key, AimeKey, sizeof(AimeKey));
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}
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static void sg_led_cmd_reset() {
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sg_res_init(sizeof(res.reset_payload));
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res.reset_payload = 0;
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fill_solid(leds, NUM_LEDS, 0x000000);
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FastLED[0].show(leds, NUM_LEDS, BRI);
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}
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static void sg_led_cmd_get_info() {
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sg_res_init(sizeof(res.info_payload));
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static uint8_t info[] = {'1', '5', '0', '8', '4', 0xFF, 0x10, 0x00, 0x12};
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memcpy(res.info_payload, info, 9);
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}
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static void sg_led_cmd_set_color() {
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uint8_t r = req.color_payload[0];
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uint8_t g = req.color_payload[1];
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uint8_t b = req.color_payload[2];
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fill_solid(leds, NUM_LEDS, CRGB(r, g, b));
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FastLED[0].show(leds, NUM_LEDS, BRI);
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}
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static void sg_nfc_cmd_radio_on() {
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sg_res_init();
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if (!readerDisabled) {
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return;
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}
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nfc.startPassiveTargetIDDetection(PN532_MIFARE_ISO14443A);
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readerDisabled = false;
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}
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static void sg_nfc_cmd_radio_off() {
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sg_res_init();
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readerDisabled = true;
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}
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static void sg_nfc_cmd_poll() { //卡号发送
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uint8_t uid[4];
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uint8_t t;
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//读aime（实验性）
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nfc.startPassiveTargetIDDetection(PN532_MIFARE_ISO14443A);
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delay(10);
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if (!digitalRead(PN532_IRQ)) {
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nfc.readDetectedPassiveTargetID(uid, &t);
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if (nfc.mifareclassic_AuthenticateBlock(uid, t, 1, MIFARE_CMD_AUTH_B, AimeKey)) { //aime
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res.type = 0x10;
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res.id_len = t;
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memcpy(res.uid, uid, t);//默认ID为0x01020304
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sg_res_init(7);
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res.count = 1;
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return;
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}
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}
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//读普通mifare当作felica
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nfc.startPassiveTargetIDDetection(PN532_MIFARE_ISO14443A);
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delay(10);
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if (!digitalRead(PN532_IRQ)) {
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nfc.readDetectedPassiveTargetID(uid, &t);
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if (nfc.mifareclassic_AuthenticateBlock(uid, t, 1, MIFARE_CMD_AUTH_A, MifareKey)) {
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if (nfc.mifareclassic_ReadDataBlock(1, res.IDPM)) {//此处略过了IDm和PMm的分别读取
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res.type = 0x20;
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res.id_len = sizeof(res.IDPM);
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sg_res_init(19);//count,type,id_len,IDm,PMm
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res.count = 1;
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return;
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}
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}
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}
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sg_res_init(1);
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res.count = 0;
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}
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static void sg_nfc_cmd_mifare_read_block() {
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if (req.block_no > 3)
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return;
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sg_res_init(sizeof(res.block));
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if (nfc.mifareclassic_AuthenticateBlock(req.uid, 4, req.block_no, MIFARE_CMD_AUTH_B, AimeKey)) {
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if (nfc.mifareclassic_ReadDataBlock(req.block_no, res.block)) {
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return;
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}
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}
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sg_res_init();
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}
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static void sg_nfc_cmd_felica_encap() {
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uint8_t code = req.code;
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res.code = code + 1;
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memcpy(res.IDm, req.IDm, sizeof(req.IDm));
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switch (code) {
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case FELICA_CMD_POLL:
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sg_res_init(0x14);
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res.system_code[0] = 0x00;
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res.system_code[1] = 0x00;
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break;
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case FELICA_CMD_GET_SYSTEM_CODE:
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sg_res_init(0x0D);
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res.felica_payload[0] = 0x01;
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res.felica_payload[1] = 0x00;
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res.felica_payload[2] = 0x00;
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break;
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case FELICA_CMD_NDA_A4:
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sg_res_init(0x0B);
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res.felica_payload[0] = 0x00;
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break;
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}
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res.encap_len = res.payload_len;
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}
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