1 | void GLASSTAG_MSP_GET_PAGE (uint8_t ui8ReqFlag, uint8_t ui8FirstBlock, uint8_t ui8NumberOfBlocks)
|
2 | {
|
3 | uint8_t ui8Offset = 0;
|
4 | uint8_t ui8LoopCount1 = 0;
|
5 | uint8_t ui8LoopCount2 = 0;
|
6 | uint8_t ui8BlockSize = 0;
|
7 | uint8_t ui8LoopCount = 1;
|
8 | uint8_t ui8RxLength = 0;
|
9 | g_pui8TrfBuffer[ui8Offset++] = 0x8F; // Reset FIFO
|
10 | g_pui8TrfBuffer[ui8Offset++] = 0x91; // Send with CRC
|
11 | g_pui8TrfBuffer[ui8Offset++] = 0x3D; // Write Continuous
|
12 | g_pui8TrfBuffer[ui8Offset++] = 0x00; s// length
|
13 | g_pui8TrfBuffer[ui8Offset++] = 0xF0; // length
|
14 | g_pui8TrfBuffer[ui8Offset++] = 0x00; // Length of packet in bytes - upper and middle nibbles of transmit byte lengt
|
15 | g_pui8TrfBuffer[ui8Offset++] = 0xD0; // Length of packet in bytes - lower and broken nibbles of transmit byte length
|
16 | g_pui8TrfBuffer[ui8Offset++] = ui8ReqFlag; // ISO15693 flags
|
17 | g_pui8TrfBuffer[ui8Offset++] = 0x2C; // GET COMMAND CODE
|
18 | g_pui8TrfBuffer[ui8Offset++] = 0x16; //IC Mfg Code
|
19 |
|
20 | g_pui8TrfBuffer[ui8Offset++] = g_pui8Iso15693UId[0]; // Tag UID
|
21 | g_pui8TrfBuffer[ui8Offset++] = g_pui8Iso15693UId[1]; // Tag UID
|
22 | g_pui8TrfBuffer[ui8Offset++] = g_pui8Iso15693UId[2]; // Tag UID
|
23 | g_pui8TrfBuffer[ui8Offset++] = g_pui8Iso15693UId[3]; // Tag UID
|
24 | g_pui8TrfBuffer[ui8Offset++] = g_pui8Iso15693UId[4]; // Tag UID
|
25 | g_pui8TrfBuffer[ui8Offset++] = g_pui8Iso15693UId[5]; // Tag UID
|
26 | g_pui8TrfBuffer[ui8Offset++] = g_pui8Iso15693UId[6]; // Tag UID
|
27 | g_pui8TrfBuffer[ui8Offset++] = g_pui8Iso15693UId[7]; // Tag UID
|
28 |
|
29 | g_pui8TrfBuffer[ui8Offset++] = ui8FirstBlock; // Number of the first block to read from
|
30 | if (ui8NumberOfBlocks > 0)
|
31 | {
|
32 | g_pui8TrfBuffer[ui8Offset++] = ui8NumberOfBlocks-1; // Index for number of blocks to be read - this value is one less than
|
33 | }
|
34 | else
|
35 | {
|
36 | UART_sendCString("START:AW_GET_PRO_PAGE_0:ENDE\n");
|
37 | }
|
38 |
|
39 | TRF79xxA_writeRaw(&g_pui8TrfBuffer[0], ui8Offset); // Issue the Get System Information command
|
40 | g_sTrfStatus = TRF79xxA_waitRxData(10,30+ui8NumberOfBlocks); // 10 millisecond TX timeout, 30 millisecond RX timeout - adding number of blocks to extend timeout for larger read requests
|
41 | if (g_sTrfStatus == RX_COMPLETE) // If data has been received
|
42 | {
|
43 | if (g_pui8TrfBuffer[0] == 0x00) // Confirm "no error" in response flags byte
|
44 | {
|
45 | #ifdef ENABLE_HOST
|
46 | ui8RxLength = TRF79xxA_getRxBytesReceived();
|
47 |
|
48 | if (ui8ReqFlag & BIT6) // Handle case for Option Flag causing one extra byte to be transmitted.
|
49 | {
|
50 | ui8Offset = 2;
|
51 | }
|
52 | else
|
53 | {
|
54 | ui8Offset = 1;
|
55 | }
|
56 | ui8LoopCount1 = ui8RxLength-ui8Offset;
|
57 | while (ui8LoopCount1 > 0)
|
58 | {
|
59 | if (ui8LoopCount1 > ui8NumberOfBlocks)
|
60 | {
|
61 | ui8LoopCount1 = ui8LoopCount1 - ui8NumberOfBlocks;
|
62 | }
|
63 | else
|
64 | {
|
65 | ui8LoopCount1 = 0;
|
66 | }
|
67 | ui8BlockSize++;
|
68 | }
|
69 | for (ui8LoopCount2 = 0; ui8LoopCount2 < ui8NumberOfBlocks; ui8LoopCount2++)
|
70 | {
|
71 | UART_sendCString("START:AW_");
|
72 | UART_sendCString("BLOCK_");
|
73 | UART_putByte(ui8FirstBlock+ui8LoopCount2); // Output block number
|
74 | UART_putChar('_');
|
75 | UART_sendCString(ui8_Protection_Status);
|
76 | for (ui8LoopCount1 = 0; ui8LoopCount1 < ui8BlockSize; ui8LoopCount1++)
|
77 | {
|
78 | UART_putByte(g_pui8TrfBuffer[ui8Offset++]); // Send out data read from tag to host
|
79 | }
|
80 | UART_sendCString("_1:ENDE");
|
81 | }
|
82 | #endif
|
83 | }
|
84 | else
|
85 | {
|
86 | UART_sendCString("START:AW_GET_PRO_PAGE_0:ENDE\n");
|
87 |
|
88 | }
|
89 | }
|
90 |
|
91 | else
|
92 | {
|
93 | UART_sendCString("START:AW_GET_PRO_PAGE_0:ENDE\n");
|
94 | }
|
95 |
|
96 | }
|
