mirror of
https://gitea.tendokyu.moe/Hay1tsme/segatools.git
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4936fc2bcc
This board also supports FeliCa and probably some other stuff. Need to analyze and implement these features later, Mifare card support only for now.
327 lines
8.1 KiB
C
327 lines
8.1 KiB
C
#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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