board/sg-nfc.c: Add initial emu for NFC board
This board also supports FeliCa and probably some other stuff. Need to analyze and implement these features later, Mifare card support only for now.
This commit is contained in:
Tau
parent
0135236209
commit
4936fc2bcc
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@ -9,6 +9,11 @@ board_lib = static_library(
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sources : [
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'io3.c',
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'io3.h',
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'sg-cmd.c',
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'sg-cmd.h',
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'sg-nfc.c',
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'sg-nfc.h',
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'sg-nfc-cmd.h',
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'sg-frame.c',
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'sg-frame.h',
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],
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@ -0,0 +1,86 @@
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#pragma once
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#include <stdint.h>
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enum {
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SG_NFC_CMD_GET_FW_VERSION = 0x30,
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SG_NFC_CMD_GET_HW_VERSION = 0x32,
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SG_NFC_CMD_40_POLL = 0x40,
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SG_NFC_CMD_41_POLL = 0x41,
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SG_NFC_CMD_MIFARE_POLL = 0x42,
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SG_NFC_CMD_MIFARE_SELECT_TAG = 0x43,
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SG_NFC_CMD_MIFARE_50 = 0x50,
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SG_NFC_CMD_MIFARE_READ_BLOCK = 0x52,
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SG_NFC_CMD_MIFARE_SET_KEY = 0x54,
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SG_NFC_CMD_MIFARE_55 = 0x55,
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SG_NFC_CMD_RESET = 0x62,
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};
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struct sg_nfc_resp_get_fw_version {
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struct sg_resp_header resp;
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char version[23];
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};
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struct sg_nfc_resp_get_hw_version {
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struct sg_resp_header resp;
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char version[23];
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};
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struct sg_nfc_req_mifare_set_key {
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struct sg_req_header req;
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uint8_t key_a[6];
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};
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struct sg_nfc_req_mifare_50 {
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struct sg_req_header req;
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uint8_t payload[6];
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};
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struct sg_nfc_req_poll_40 {
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struct sg_req_header req;
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uint8_t payload;
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};
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struct sg_nfc_resp_mifare_poll {
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struct sg_resp_header resp;
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union {
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uint8_t none;
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uint8_t some[7];
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} payload;
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};
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struct sg_nfc_req_mifare_select_tag {
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struct sg_resp_header resp;
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uint8_t uid[4];
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};
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struct sg_nfc_req_mifare_read_block {
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struct sg_req_header req;
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struct {
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uint8_t uid[4];
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uint8_t block_no;
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} payload;
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};
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struct sg_nfc_resp_mifare_read_block {
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struct sg_resp_header resp;
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uint8_t block[16];
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};
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union sg_nfc_req_any {
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uint8_t bytes[256];
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struct sg_req_header simple;
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struct sg_nfc_req_mifare_set_key mifare_set_key;
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struct sg_nfc_req_mifare_read_block mifare_read_block;
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struct sg_nfc_req_mifare_50 mifare_50;
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struct sg_nfc_req_poll_40 poll_40;
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};
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union sg_nfc_resp_any {
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uint8_t bytes[256];
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struct sg_resp_header simple;
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struct sg_nfc_resp_get_fw_version get_fw_version;
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struct sg_nfc_resp_get_hw_version get_hw_version;
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struct sg_nfc_resp_mifare_poll mifare_poll;
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struct sg_nfc_resp_mifare_read_block mifare_read_block;
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};
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@ -0,0 +1,326 @@
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#include <windows.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include "board/sg-cmd.h"
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#include "board/sg-nfc.h"
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#include "board/sg-nfc-cmd.h"
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#include "util/dprintf.h"
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static HRESULT sg_nfc_dispatch(
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void *ctx,
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const void *v_req,
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void *v_resp);
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static HRESULT sg_nfc_cmd_reset(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_resp_header *resp);
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static HRESULT sg_nfc_cmd_get_fw_version(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_nfc_resp_get_fw_version *resp);
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static HRESULT sg_nfc_cmd_get_hw_version(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_nfc_resp_get_hw_version *resp);
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static HRESULT sg_nfc_cmd_mifare_poll(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_nfc_resp_mifare_poll *resp);
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static HRESULT sg_nfc_cmd_mifare_read_block(
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const struct sg_nfc *nfc,
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const struct sg_nfc_req_mifare_read_block *req,
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struct sg_nfc_resp_mifare_read_block *resp);
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static HRESULT sg_nfc_mifare_read_block_1(
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const struct sg_nfc *nfc,
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uint8_t *block);
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static HRESULT sg_nfc_mifare_read_block_2(
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const struct sg_nfc *nfc,
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uint8_t *block);
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static HRESULT sg_nfc_cmd_dummy(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_resp_header *resp);
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static const uint8_t sg_nfc_block_1[] = {
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'S', 'B', 'D', 'T', 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x4E, 0xC6, 0x22,
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};
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void sg_nfc_init(
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struct sg_nfc *nfc,
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uint8_t addr,
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const struct sg_nfc_ops *ops,
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void *ops_ctx)
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{
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assert(nfc != NULL);
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assert(ops != NULL);
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nfc->ops = ops;
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nfc->ops_ctx = ops_ctx;
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nfc->addr = addr;
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}
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#ifdef NDEBUG
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#define sg_nfc_dprintfv(nfc, fmt, ap)
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#define sg_nfc_dprintf(nfc, fmt, ...)
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#else
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static void sg_nfc_dprintfv(
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const struct sg_nfc *nfc,
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const char *fmt,
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va_list ap)
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{
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dprintf("NFC %02x: ", nfc->addr);
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dprintfv(fmt, ap);
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}
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static void sg_nfc_dprintf(
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const struct sg_nfc *nfc,
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const char *fmt,
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...)
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{
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va_list ap;
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va_start(ap, fmt);
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sg_nfc_dprintfv(nfc, fmt, ap);
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va_end(ap);
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}
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#endif
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void sg_nfc_transact(
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struct sg_nfc *nfc,
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struct iobuf *resp_frame,
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const void *req_bytes,
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size_t req_nbytes)
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{
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assert(nfc != NULL);
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assert(resp_frame != NULL);
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assert(req_bytes != NULL);
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sg_req_transact(resp_frame, req_bytes, req_nbytes, sg_nfc_dispatch, nfc);
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}
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static HRESULT sg_nfc_dispatch(
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void *ctx,
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const void *v_req,
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void *v_resp)
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{
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const struct sg_nfc *nfc;
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const union sg_nfc_req_any *req;
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union sg_nfc_resp_any *resp;
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nfc = ctx;
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req = v_req;
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resp = v_resp;
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if (req->simple.hdr.addr != nfc->addr) {
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/* Not addressed to us, don't send a response */
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return S_FALSE;
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}
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switch (req->simple.hdr.cmd) {
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case SG_NFC_CMD_RESET:
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return sg_nfc_cmd_reset(nfc, &req->simple, &resp->simple);
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case SG_NFC_CMD_GET_FW_VERSION:
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return sg_nfc_cmd_get_fw_version(
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nfc,
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&req->simple,
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&resp->get_fw_version);
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case SG_NFC_CMD_GET_HW_VERSION:
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return sg_nfc_cmd_get_hw_version(
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nfc,
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&req->simple,
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&resp->get_hw_version);
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case SG_NFC_CMD_MIFARE_POLL:
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return sg_nfc_cmd_mifare_poll(
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nfc,
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&req->simple,
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&resp->mifare_poll);
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case SG_NFC_CMD_MIFARE_READ_BLOCK:
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return sg_nfc_cmd_mifare_read_block(
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nfc,
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&req->mifare_read_block,
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&resp->mifare_read_block);
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case SG_NFC_CMD_40_POLL:
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case SG_NFC_CMD_41_POLL:
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case SG_NFC_CMD_MIFARE_SET_KEY:
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case SG_NFC_CMD_MIFARE_SELECT_TAG:
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case SG_NFC_CMD_MIFARE_50:
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case SG_NFC_CMD_MIFARE_55:
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return sg_nfc_cmd_dummy(nfc, &req->simple, &resp->simple);
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default:
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sg_nfc_dprintf(nfc, "Unimpl command %02x\n", req->simple.hdr.cmd);
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return E_NOTIMPL;
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}
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}
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static HRESULT sg_nfc_cmd_reset(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_resp_header *resp)
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{
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sg_nfc_dprintf(nfc, "Reset\n");
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sg_resp_init(resp, req, 0);
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resp->status = 3;
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return S_OK;
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}
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static HRESULT sg_nfc_cmd_get_fw_version(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_nfc_resp_get_fw_version *resp)
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{
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/* Dest version is not NUL terminated, this is intentional */
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sg_resp_init(&resp->resp, req, sizeof(resp->version));
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memcpy(resp->version, "TN32MSEC003S F/W Ver1.2E", sizeof(resp->version));
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return S_OK;
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}
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static HRESULT sg_nfc_cmd_get_hw_version(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_nfc_resp_get_hw_version *resp)
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{
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/* Dest version is not NUL terminated, this is intentional */
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sg_resp_init(&resp->resp, req, sizeof(resp->version));
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memcpy(resp->version, "TN32MSEC003S H/W Ver3.0J", sizeof(resp->version));
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return S_OK;
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}
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static HRESULT sg_nfc_cmd_mifare_poll(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_nfc_resp_mifare_poll *resp)
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{
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HRESULT hr;
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hr = nfc->ops->mifare_poll(nfc->ops_ctx);
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if (hr == S_OK) {
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sg_nfc_dprintf(nfc, "Mifare card is present\n");
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sg_resp_init(&resp->resp, req, sizeof(resp->payload.some));
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resp->payload.some[0] = 0x01; /* Chunk size? */
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resp->payload.some[1] = 0x10; /* Unknown */
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resp->payload.some[2] = 0x04; /* Chunk size? */
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resp->payload.some[3] = 0x52; /* UID byte 0 */
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resp->payload.some[4] = 0xCC; /* UID byte 1 */
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resp->payload.some[5] = 0x55; /* UID byte 2 */
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resp->payload.some[6] = 0x25; /* UID byte 3 */
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return S_OK;
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} else if (hr == S_FALSE) {
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sg_resp_init(&resp->resp, req, sizeof(resp->payload.none));
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resp->payload.none = 0x00;
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return S_OK;
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} else if (FAILED(hr)) {
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sg_nfc_dprintf(nfc, "nfc->ops->mifare_poll error: %x\n", (int) hr);
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return hr;
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} else {
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sg_nfc_dprintf(nfc, "nfc->ops->mifare_poll bad return: %x\n", (int) hr);
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return E_UNEXPECTED;
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}
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}
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static HRESULT sg_nfc_cmd_mifare_read_block(
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const struct sg_nfc *nfc,
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const struct sg_nfc_req_mifare_read_block *req,
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struct sg_nfc_resp_mifare_read_block *resp)
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{
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if (req->req.payload_len != sizeof(req->payload)) {
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sg_nfc_dprintf(nfc, "%s: Payload size is incorrect\n", __func__);
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return E_FAIL;
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}
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sg_nfc_dprintf(nfc, "Read block %i\n", req->payload.block_no);
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sg_resp_init(&resp->resp, &req->req, sizeof(resp->block));
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switch (req->payload.block_no) {
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case 1:
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return sg_nfc_mifare_read_block_1(nfc, resp->block);
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case 2:
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return sg_nfc_mifare_read_block_2(nfc, resp->block);
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case 0:
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case 3:
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sg_nfc_dprintf(
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nfc,
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"Block %i access not implemented\n",
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req->payload.block_no);
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return E_NOTIMPL;
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default:
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sg_nfc_dprintf(
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nfc,
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"Read from invalid mifare block nr %i\n",
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req->payload.block_no);
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return E_INVALIDARG;
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}
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}
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static HRESULT sg_nfc_mifare_read_block_1(
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const struct sg_nfc *nfc,
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uint8_t *block)
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{
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memcpy(block, sg_nfc_block_1, sizeof(sg_nfc_block_1));
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return S_OK;
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}
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static HRESULT sg_nfc_mifare_read_block_2(
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const struct sg_nfc *nfc,
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uint8_t *block)
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{
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HRESULT hr;
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hr = nfc->ops->mifare_read_luid(nfc->ops_ctx, &block[6], 10);
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if (FAILED(hr)) {
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return hr;
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}
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memset(block, 0, 6);
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return S_OK;
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}
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static HRESULT sg_nfc_cmd_dummy(
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const struct sg_nfc *nfc,
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const struct sg_req_header *req,
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struct sg_resp_header *resp)
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{
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sg_resp_init(resp, req, 0);
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return S_OK;
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}
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@ -0,0 +1,31 @@
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#pragma once
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#include <windows.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "hook/iobuf.h"
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struct sg_nfc_ops {
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HRESULT (*mifare_poll)(void *ctx);
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HRESULT (*mifare_read_luid)(void *ctx, uint8_t *luid, size_t nbytes);
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};
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struct sg_nfc {
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const struct sg_nfc_ops *ops;
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void *ops_ctx;
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uint8_t addr;
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};
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void sg_nfc_init(
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struct sg_nfc *nfc,
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uint8_t addr,
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const struct sg_nfc_ops *ops,
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void *ops_ctx);
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void sg_nfc_transact(
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struct sg_nfc *nfc,
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struct iobuf *resp_frame,
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const void *req_bytes,
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size_t req_nbytes);
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