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1 | //----------------------------------------------------------------------------- | |
2 | // Jonathan Westhues, April 2006 | |
3 | // iZsh <izsh at fail0verflow.com>, 2014 | |
4 | // | |
5 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
6 | // at your option, any later version. See the LICENSE.txt file for the text of | |
7 | // the license. | |
8 | //----------------------------------------------------------------------------- | |
9 | // Routines to load the FPGA image, and then to configure the FPGA's major | |
10 | // mode once it is configured. | |
11 | //----------------------------------------------------------------------------- | |
12 | ||
13 | #ifndef __FPGALOADER_H | |
14 | #define __FPGALOADER_H | |
15 | ||
16 | #include <stdint.h> | |
17 | #include <stdbool.h> | |
18 | ||
19 | void FpgaSendCommand(uint16_t cmd, uint16_t v); | |
20 | void FpgaWriteConfWord(uint16_t v); | |
21 | void FpgaDownloadAndGo(int bitstream_version); | |
22 | void FpgaSetupSsc(uint16_t mode); | |
23 | void SetupSpi(int mode); | |
24 | bool FpgaSetupSscDma(uint8_t *buf, uint16_t sample_count); | |
25 | void Fpga_print_status(); | |
26 | int FpgaGetCurrent(); | |
27 | void FpgaEnableTracing(void); | |
28 | void FpgaDisableTracing(void); | |
29 | #define FpgaDisableSscDma(void) AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS; | |
30 | #define FpgaEnableSscDma(void) AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN; | |
31 | void SetAdcMuxFor(uint32_t whichGpio); | |
32 | ||
33 | // definitions for multiple FPGA config files support | |
34 | #define FPGA_BITSTREAM_LF 1 | |
35 | #define FPGA_BITSTREAM_HF 2 | |
36 | ||
37 | // Definitions for the FPGA commands. | |
38 | #define FPGA_CMD_MASK 0xF000 | |
39 | // BOTH | |
40 | #define FPGA_CMD_SET_CONFREG (1<<12) | |
41 | // LF | |
42 | #define FPGA_CMD_SET_DIVISOR (2<<12) | |
43 | #define FPGA_CMD_SET_EDGE_DETECT_THRESHOLD (3<<12) | |
44 | // HF | |
45 | #define FPGA_CMD_TRACE_ENABLE (2<<12) | |
46 | ||
47 | // Definitions for the FPGA configuration word. | |
48 | #define FPGA_MAJOR_MODE_MASK 0x01C0 | |
49 | // LF | |
50 | #define FPGA_MAJOR_MODE_LF_ADC (0<<6) | |
51 | #define FPGA_MAJOR_MODE_LF_EDGE_DETECT (1<<6) | |
52 | #define FPGA_MAJOR_MODE_LF_PASSTHRU (2<<6) | |
53 | // HF | |
54 | #define FPGA_MAJOR_MODE_HF_READER (0<<6) | |
55 | #define FPGA_MAJOR_MODE_HF_SIMULATOR (1<<6) | |
56 | #define FPGA_MAJOR_MODE_HF_ISO14443A (2<<6) | |
57 | #define FPGA_MAJOR_MODE_HF_SNOOP (3<<6) | |
58 | #define FPGA_MAJOR_MODE_HF_GET_TRACE (4<<6) | |
59 | // BOTH | |
60 | #define FPGA_MAJOR_MODE_OFF (7<<6) | |
61 | ||
62 | #define FPGA_MINOR_MODE_MASK 0x003F | |
63 | // Options for LF_ADC | |
64 | #define FPGA_LF_ADC_READER_FIELD (1<<0) | |
65 | ||
66 | // Options for LF_EDGE_DETECT | |
67 | #define FPGA_LF_EDGE_DETECT_READER_FIELD (1<<0) | |
68 | #define FPGA_LF_EDGE_DETECT_TOGGLE_MODE (2<<0) | |
69 | ||
70 | // Options for the HF reader | |
71 | #define FPGA_HF_READER_MODE_RECEIVE_IQ (0<<0) | |
72 | #define FPGA_HF_READER_MODE_RECEIVE_AMPLITUDE (1<<0) | |
73 | #define FPGA_HF_READER_MODE_RECEIVE_PHASE (2<<0) | |
74 | #define FPGA_HF_READER_MODE_SEND_FULL_MOD (3<<0) | |
75 | #define FPGA_HF_READER_MODE_SEND_SHALLOW_MOD (4<<0) | |
76 | #define FPGA_HF_READER_MODE_SNOOP_IQ (5<<0) | |
77 | #define FPGA_HF_READER_MODE_SNOOP_AMPLITUDE (6<<0) | |
78 | #define FPGA_HF_READER_MODE_SNOOP_PHASE (7<<0) | |
79 | #define FPGA_HF_READER_MODE_SEND_JAM (8<<0) | |
80 | ||
81 | #define FPGA_HF_READER_SUBCARRIER_848_KHZ (0<<4) | |
82 | #define FPGA_HF_READER_SUBCARRIER_424_KHZ (1<<4) | |
83 | #define FPGA_HF_READER_SUBCARRIER_212_KHZ (2<<4) | |
84 | ||
85 | // Options for the HF simulated tag, how to modulate | |
86 | #define FPGA_HF_SIMULATOR_NO_MODULATION (0<<0) | |
87 | #define FPGA_HF_SIMULATOR_MODULATE_BPSK (1<<0) | |
88 | #define FPGA_HF_SIMULATOR_MODULATE_212K (2<<0) | |
89 | #define FPGA_HF_SIMULATOR_MODULATE_424K (4<<0) | |
90 | #define FPGA_HF_SIMULATOR_MODULATE_424K_8BIT 0x5//101 | |
91 | ||
92 | // Options for ISO14443A | |
93 | #define FPGA_HF_ISO14443A_SNIFFER (0<<0) | |
94 | #define FPGA_HF_ISO14443A_TAGSIM_LISTEN (1<<0) | |
95 | #define FPGA_HF_ISO14443A_TAGSIM_MOD (2<<0) | |
96 | #define FPGA_HF_ISO14443A_READER_LISTEN (3<<0) | |
97 | #define FPGA_HF_ISO14443A_READER_MOD (4<<0) | |
98 | ||
99 | #endif |