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feat(nfc): emit example.com URI for native phone reading

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chenjintao
2026-10-13 16:18:00 +08:00
parent c53ab581d0
commit 5f8c4d048e
1 changed files with 9 additions and 38 deletions
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ql-application/threadx/interface/custom_app/nfc.c
+9 -38
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@@ -49,7 +49,6 @@ static volatile u32 g_nfc_tx_mode_deadline = 0;
#define NFC_TYPE2_READ_SIZE 16
#define NFC_TYPE2_MEMORY_SIZE 160
#define NFC_TYPE2_NDEF_OFFSET 16
#define NFC_IMEI_DIGITS 15
#define NFC_IRQ_TX 0x40
#define NFC_IRQ_RX 0x20
@@ -173,37 +172,11 @@ static u8 nfc_card_emulation_send_frame(const u8 *frame, u8 length)
static void nfc_type2_build_ndef(void)
{
char device_id[32] = {0};
char serial_number[32] = {0};
char imei[32] = {0};
char json[128];
int json_len;
static const char uri_suffix[] = "example.com/";
size_t uri_len = sizeof(uri_suffix) - 1;
u8 *ndef;
u8 record_len;
if (hal_os_get_device_id(device_id) != 0) {
strcpy(device_id, "unknown");
}
if (hal_os_get_device_sn(serial_number) != 0) {
strcpy(serial_number, "unknown");
}
if (ql_dev_get_imei(imei, sizeof(imei)) != QL_DEV_SUCCESS ||
imei[0] == '\0') {
strcpy(imei, "unknown");
} else {
imei[NFC_IMEI_DIGITS] = '\0';
}
json_len = snprintf(json, sizeof(json),
"{\"device_id\":\"%s\",\"serial_number\":\"%s\","
"\"imei\":\"%s\"}",
device_id, serial_number, imei);
if (json_len < 0) {
json_len = 0;
} else if (json_len >= (int)sizeof(json)) {
json_len = sizeof(json) - 1;
}
memset(nfc_type2_memory, 0, sizeof(nfc_type2_memory));
/* Static UID/manufacturer pages followed by a read-only Type 2 CC. */
@@ -217,20 +190,18 @@ static void nfc_type2_build_ndef(void)
nfc_type2_memory[15] = 0x0F; /* Read-only access. */
ndef = &nfc_type2_memory[NFC_TYPE2_NDEF_OFFSET];
record_len = (u8)(7 + json_len);
record_len = (u8)(5 + uri_len);
ndef[0] = 0x03; /* NDEF Message TLV. */
ndef[1] = record_len;
ndef[2] = 0xD1; /* MB, ME, SR, TNF well-known. */
ndef[3] = 0x01; /* Type length. */
ndef[4] = (u8)(3 + json_len); /* Text status/lang plus JSON. */
ndef[5] = 'T';
ndef[6] = 0x02; /* UTF-8, language length 2. */
ndef[7] = 'e';
ndef[8] = 'n';
memcpy(&ndef[9], json, json_len);
ndef[9 + json_len] = 0xFE; /* Terminator TLV. */
ndef[4] = (u8)(1 + uri_len); /* URI prefix code plus suffix. */
ndef[5] = 'U'; /* NFC Forum URI record. */
ndef[6] = 0x04; /* URI prefix: https:// */
memcpy(&ndef[7], uri_suffix, uri_len);
ndef[7 + uri_len] = 0xFE; /* Terminator TLV. */
printf("NFC Type 2 NDEF: %s\r\n", json);
printf("NFC Type 2 NDEF URI: https://%s\r\n", uri_suffix);
}
static void nfc_type2_read_pages(u8 start_page, u8 *response)