2 * This file is part of the sigrok project.
4 * Copyright (C) 2010 Håvard Espeland <gus@ping.uio.no>,
5 * Copyright (C) 2010 Martin Stensgård <mastensg@ping.uio.no>
6 * Copyright (C) 2010 Carl Henrik Lunde <chlunde@ping.uio.no>
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #ifndef LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
23 #define LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
25 /* Message logging helpers with driver-specific prefix string. */
26 #define DRIVER_LOG_DOMAIN "asix-sigma: "
27 #define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
28 #define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
29 #define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
30 #define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
31 #define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
32 #define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
34 enum sigma_write_register {
35 WRITE_CLOCK_SELECT = 0,
36 WRITE_TRIGGER_SELECT0 = 1,
37 WRITE_TRIGGER_SELECT1 = 2,
40 WRITE_POST_TRIGGER = 5,
41 WRITE_TRIGGER_OPTION = 6,
47 enum sigma_read_register {
49 READ_TRIGGER_POS_LOW = 1,
50 READ_TRIGGER_POS_HIGH = 2,
51 READ_TRIGGER_POS_UP = 3,
52 READ_STOP_POS_LOW = 4,
53 READ_STOP_POS_HIGH = 5,
56 READ_PIN_CHANGE_LOW = 8,
57 READ_PIN_CHANGE_HIGH = 9,
58 READ_BLOCK_LAST_TS_LOW = 10,
59 READ_BLOCK_LAST_TS_HIGH = 11,
65 #define REG_ADDR_LOW (0 << 4)
66 #define REG_ADDR_HIGH (1 << 4)
67 #define REG_DATA_LOW (2 << 4)
68 #define REG_DATA_HIGH_WRITE (3 << 4)
69 #define REG_READ_ADDR (4 << 4)
70 #define REG_DRAM_WAIT_ACK (5 << 4)
72 /* Bit (1 << 4) can be low or high (double buffer / cache) */
73 #define REG_DRAM_BLOCK (6 << 4)
74 #define REG_DRAM_BLOCK_BEGIN (8 << 4)
75 #define REG_DRAM_BLOCK_DATA (10 << 4)
82 #define EVENTS_PER_CLUSTER 7
84 #define CHUNK_SIZE 1024
86 struct clockselect_50 {
89 uint16_t disabled_probes;
92 /* The effect of all these are still a bit unclear. */
94 uint8_t trgout_resistor_enable : 1;
95 uint8_t trgout_resistor_pullup : 1;
96 uint8_t reserved1 : 1;
97 uint8_t trgout_bytrigger : 1;
98 uint8_t trgout_byevent : 1;
99 uint8_t trgout_bytriggerin : 1;
100 uint8_t reserved2 : 2;
102 /* Should be set same as the first two */
103 uint8_t trgout_resistor_enable2 : 1;
104 uint8_t trgout_resistor_pullup2 : 1;
106 uint8_t reserved3 : 1;
107 uint8_t trgout_long : 1;
108 uint8_t trgout_pin : 1; /* Use 1k resistor. Pullup? */
109 uint8_t trgin_negate : 1;
110 uint8_t trgout_enable : 1;
111 uint8_t trgin_enable : 1;
115 /* The actual LUTs. */
116 uint16_t m0d[4], m1d[4], m2d[4];
117 uint16_t m3, m3s, m4;
119 /* Paramters should be sent as a single register write. */
122 uint8_t selpresc : 6;
134 /* Trigger configuration */
135 struct sigma_trigger {
136 /* Only two probes can be used in mask. */
138 uint16_t fallingmask;
140 /* Simple trigger support (<= 50 MHz). */
142 uint16_t simplevalue;
144 /* TODO: Advanced trigger support (boolean expressions). */
147 /* Events for trigger operation. */
159 /* Logical functions for trigger operation. */
171 SIGMA_UNINITIALIZED = 0,
177 uint32_t stoppos, triggerpos;
182 int chunks_downloaded;
185 /* Private, per-device-instance driver context. */
187 struct ftdi_context ftdic;
188 uint64_t cur_samplerate;
191 struct timeval start_tv;
194 int samples_per_event;
196 struct sigma_trigger trigger;
198 struct sigma_state state;
199 void *session_dev_id;