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"Optimize" FeliCa following Bottersnike's advice
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@ -31,7 +31,7 @@
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## Thanks
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Thanks to many respectful guys/companies who made their tools or materials free or open source (KiCad, OnShape, InkScape, Fritzing, Raspberry things), ChatGPT and GitHub Copilot helped a lot as well.
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And thanks to community developers and projects that helped me a lot: CrazyRedMachine (https://github.com/CrazyRedMachine) for the Spicetools Card IO part, Sucareto's AIME Reader (https://github.com/Sucareto/Arduino-Aime-Reader) for the AIME protocol part, .NET nanoFramework (https://github.com/nanoframework) for the PN5180 part.
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And thanks to community developers and projects that helped me a lot: CrazyRedMachine (https://github.com/CrazyRedMachine) for the Spicetools Card IO part, Sucareto's AIME Reader (https://github.com/Sucareto/Arduino-Aime-Reader) for the AIME protocol part, Bottersnike (https://gitea.tendokyu.moe/Bottersnike) for his sharing of AIME and FeliCa knowledge, .NET nanoFramework (https://github.com/nanoframework) for the PN5180 part.
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## Warning
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This project:
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@ -34,7 +34,7 @@
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## 感谢
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感谢许多尊敬的爱好者和公司将他们的工具或材料免费或开源（KiCad, OnShape, InkScape, Fritzing, Raspberry things），ChatGPT 和 GitHub Copilot 也提供了很大的帮助。
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同时感谢对我有很大帮助的社区开发者和项目：CrazyRedMachine (https://github.com/CrazyRedMachine) 提供了 Spicetools Card IO 部分，Sucareto 的 AIME Reader (https://github.com/Sucareto/Arduino-Aime-Reader) 提供了 AIME 协议部分，.NET nanoFramework (https://github.com/nanoframework) 提供了 PN5180 部分。
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同时感谢对我有很大帮助的社区开发者和项目：CrazyRedMachine (https://github.com/CrazyRedMachine) 提供了 Spicetools Card IO 部分，Sucareto 的 AIME Reader (https://github.com/Sucareto/Arduino-Aime-Reader) 提供了 AIME 协议部分，Bottersnike (https://gitea.tendokyu.moe/Bottersnike) 提供了 AIME 和 FeliCa 相关的知识帮助, .NET nanoFramework (https://github.com/nanoframework) 提供了 PN5180 部分。
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## 友情警告
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这个项目：
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@ -20,12 +20,14 @@
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enum {
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CMD_GET_FW_VERSION = 0x30,
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CMD_GET_HW_VERSION = 0x32,
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// Card read
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CMD_START_POLLING = 0x40,
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CMD_STOP_POLLING = 0x41,
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CMD_CARD_DETECT = 0x42,
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CMD_CARD_SELECT = 0x43,
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CMD_CARD_HALT = 0x44,
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// MIFARE
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CMD_MIFARE_KEY_SET_A = 0x50,
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CMD_MIFARE_AUTHORIZE_A = 0x51,
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@ -33,42 +35,30 @@ enum {
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CMD_MIFARE_WRITE = 0x53,
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CMD_MIFARE_KEY_SET_B = 0x54,
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CMD_MIFARE_AUTHORIZE_B = 0x55,
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// Boot,update
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CMD_TO_UPDATER_MODE = 0x60,
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CMD_SEND_HEX_DATA = 0x61,
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CMD_TO_NORMAL_MODE = 0x62,
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CMD_SEND_BINDATA_INIT = 0x63,
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CMD_SEND_BINDATA_EXEC = 0x64,
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// FeliCa
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CMD_FELICA_PUSH = 0x70,
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CMD_FELICA_OP = 0x71,
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CMD_FELICA_OP_POLL = 0x00,
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CMD_FELICA_OP_READ = 0x06,
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CMD_FELICA_OP_WRITE = 0x08,
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CMD_FELICA_OP_GET_SYSTEM_CODE = 0x0C,
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CMD_FELICA_OP_NDA_A4 = 0xA4,
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// LED board
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CMD_EXT_BOARD_LED = 0x80,
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CMD_EXT_BOARD_LED_RGB = 0x81,
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CMD_EXT_BOARD_LED_RGB_UNKNOWN = 0x82,
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CMD_EXT_BOARD_INFO = 0xf0,
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CMD_EXT_FIRM_SUM = 0xf2,
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CMD_EXT_SEND_HEX_DATA = 0xf3,
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CMD_EXT_TO_BOOT_MODE = 0xf4,
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CMD_EXT_TO_NORMAL_MODE = 0xf5,
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};
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enum {
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STATUS_OK = 0,
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STATUS_NFCRW_INIT_ERROR = 1,
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STATUS_NFCRW_FIRMWARE_UP_TO_DATE = 3,
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STATUS_NFCRW_ACCESS_ERROR = 4,
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STATUS_CARD_DETECT_TIMEOUT = 5,
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STATUS_CARD_DETECT_ERROR = 32,
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STATUS_FELICA_ERROR = 33,
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STATUS_INVALID_COMMAND = 3,
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};
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const char *fw_version[] = { "TN32MSEC003S F/W Ver1.2", "\x94" };
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const char *fw_version[] = { "TN32MSEC003S F/W Ver1.0", "\x94" };
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const char *hw_version[] = { "TN32MSEC003S H/W Ver3.0", "837-15396" };
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const char *led_info[] = { "15084\xFF\x10\x00\x12", "000-00000\xFF\x11\x40" };
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static int baudrate_mode = 0;
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@ -182,7 +172,7 @@ static void send_simple_response(uint8_t status)
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static void cmd_to_normal_mode()
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{
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send_simple_response(STATUS_NFCRW_FIRMWARE_UP_TO_DATE);
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send_simple_response(STATUS_INVALID_COMMAND);
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}
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static void cmd_fake_version(const char *version[])
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@ -343,176 +333,10 @@ static void cmd_mifare_halt()
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send_simple_response(STATUS_OK);
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}
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typedef struct __attribute__((packed)) {
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uint8_t len;
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uint8_t code;
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uint8_t idm[8];
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uint8_t data[0];
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} felica_resp_t;
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static int cmd_felica_poll(const nfc_card_t *card)
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{
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typedef struct __attribute__((packed)) {
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uint8_t pmm[8];
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uint8_t syscode[2];
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} felica_poll_resp_t;
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felica_resp_t *felica_resp = (felica_resp_t *) response.payload;
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felica_poll_resp_t *poll_resp = (felica_poll_resp_t *) felica_resp->data;
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if (virtual_aic.active) {
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memcpy(poll_resp->pmm, virtual_aic.pmm, 8);
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memcpy(poll_resp->syscode, virtual_aic.syscode, 2);
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} else {
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memcpy(poll_resp->pmm, card->pmm, 8);
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memcpy(poll_resp->syscode, card->syscode, 2);
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}
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return sizeof(*poll_resp);
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}
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static int cmd_felica_get_syscode(const nfc_card_t *card)
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{
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felica_resp_t *felica_resp = (felica_resp_t *) response.payload;
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felica_resp->data[0] = 0x01;
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if (virtual_aic.active) {
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memcpy(felica_resp->data, virtual_aic.syscode, 2);
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} else {
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felica_resp->data[1] = card->syscode[0];
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felica_resp->data[2] = card->syscode[1];
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}
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return 3;
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}
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static int cmd_felica_read()
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{
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uint8_t *req_data = request.felica.data;
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if (req_data[8] != 1) {
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printf("\nFelica Encap READ Error: service_num != 1");
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return -1;
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}
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uint16_t svc_code = req_data[9] | (req_data[10] << 8);
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typedef struct __attribute__((packed)) {
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uint8_t rw_status[2];
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uint8_t block_num;
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uint8_t block_data[0][16];
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} encap_read_resp_t;
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felica_resp_t *felica_resp = (felica_resp_t *) response.payload;
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encap_read_resp_t *read_resp = (encap_read_resp_t *) felica_resp->data;
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uint8_t *block = req_data + 11;
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uint8_t block_num = block[0];
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memset(read_resp->block_data, 0, block_num * 16);
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for (int i = 0; i < block_num; i++) {
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uint16_t block_id = (block[i * 2 + 1] << 8) | block[i * 2 + 2];
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if (virtual_aic.active) {
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if (block_id == 0x8082) {
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memcpy(read_resp->block_data[i], virtual_aic.idm, 8);
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}
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} else {
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nfc_felica_read_wo_encrypt(svc_code, block_id, read_resp->block_data[i]);
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}
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}
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read_resp->rw_status[0] = 0x00;
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read_resp->rw_status[1] = 0x00;
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read_resp->block_num = block_num;
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return sizeof(*read_resp) + block_num * 16;
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}
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static int cmd_felica_write()
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{
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uint8_t *req_data = request.felica.data;
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if (req_data[8] != 1) {
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printf("\nFelica Encap Write Error: service_num != 1");
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return -1;
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}
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/* No, we don't actually write */
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felica_resp_t *felica_resp = (felica_resp_t *) response.payload;
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uint8_t *rw_status = felica_resp->data;
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rw_status[0] = 0x00;
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rw_status[1] = 0x00;
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return 2;
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}
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#if 0
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case CMD_FELICA_OP_NDA_A4:
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printf("\tNDA_A4\n");
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build_response(11);
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resp->payload[0] = 0x00;
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break;
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default:
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printf("\tUnknown through: %02x\n", code);
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build_response(0);
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response.status = STATUS_OK;
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#endif
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static void cmd_felica()
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{
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nfc_card_t card = nfc_poll_felica();
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if ((card.card_type != NFC_CARD_FELICA) && (!virtual_aic.active)) {
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send_simple_response(STATUS_FELICA_ERROR);
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return;
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}
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uint8_t felica_op = request.felica.code;
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int datalen = -1;
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switch (felica_op) {
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case CMD_FELICA_OP_GET_SYSTEM_CODE:
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datalen = cmd_felica_get_syscode(&card);
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break;
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case CMD_FELICA_OP_POLL:
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datalen = cmd_felica_poll(&card);
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break;
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case CMD_FELICA_OP_READ:
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datalen = cmd_felica_read();
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break;
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case CMD_FELICA_OP_WRITE:
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datalen = cmd_felica_write();
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break;
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default:
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printf("\nUnknown code %d", felica_op);
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break;
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}
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if (datalen < 0) {
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send_simple_response(STATUS_FELICA_ERROR);
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return;
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}
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felica_resp_t *felica_resp = (felica_resp_t *) response.payload;
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build_response(sizeof(*felica_resp) + datalen);
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felica_resp->len = response.payload_len;
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felica_resp->code = felica_op + 1;
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if (virtual_aic.active) {
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memcpy(felica_resp->idm, virtual_aic.idm, 8);
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} else {
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memcpy(felica_resp->idm, card.idm, 8);
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}
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send_response();
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/*
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printf("Felica Response:");
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for (int i = 0; i < felica_resp->len - 10; i++) {
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printf(" %02x", felica_resp->data[i]);
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}
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printf("\n");
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*/
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send_simple_response(STATUS_INVALID_COMMAND);
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return;
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}
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static uint32_t led_color;
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@ -552,6 +376,8 @@ static void aime_handle_frame()
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case CMD_CARD_DETECT:
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cmd_detect_card();
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break;
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case CMD_FELICA_PUSH:
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case CMD_FELICA_OP:
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cmd_felica();
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break;
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