* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef ASIX_SIGMA_H
-#define ASIX_SIGMA_H
+#ifndef LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
+#define LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
enum sigma_write_register {
WRITE_CLOCK_SELECT = 0,
#define REG_DRAM_BLOCK_BEGIN (8 << 4)
#define REG_DRAM_BLOCK_DATA (10 << 4)
+#define LEDSEL0 6
+#define LEDSEL1 7
+
#define NEXT_REG 1
#define EVENTS_PER_CLUSTER 7
uint16_t disabled_probes;
};
+/* The effect of all these are still a bit unclear. */
+struct triggerinout {
+ uint8_t trgout_resistor_enable : 1;
+ uint8_t trgout_resistor_pullup : 1;
+ uint8_t reserved1 : 1;
+ uint8_t trgout_bytrigger : 1;
+ uint8_t trgout_byevent : 1;
+ uint8_t trgout_bytriggerin : 1;
+ uint8_t reserved2 : 2;
+
+ /* Should be set same as the first two */
+ uint8_t trgout_resistor_enable2 : 1;
+ uint8_t trgout_resistor_pullup2 : 1;
+
+ uint8_t reserved3 : 1;
+ uint8_t trgout_long : 1;
+ uint8_t trgout_pin : 1; /* Use 1k resistor. Pullup? */
+ uint8_t trgin_negate : 1;
+ uint8_t trgout_enable : 1;
+ uint8_t trgin_enable : 1;
+};
+
+struct triggerlut {
+ /* The actual LUTs. */
+ uint16_t m0d[4], m1d[4], m2d[4];
+ uint16_t m3, m3s, m4;
+
+ /* Paramters should be sent as a single register write. */
+ struct {
+ uint8_t selc : 2;
+ uint8_t selpresc : 6;
+
+ uint8_t selinc : 2;
+ uint8_t selres : 2;
+ uint8_t sela : 2;
+ uint8_t selb : 2;
+
+ uint16_t cmpb;
+ uint16_t cmpa;
+ } params;
+};
+
+/* Trigger configuration */
+struct sigma_trigger {
+ /* Only two probes can be used in mask. */
+ uint16_t risingmask;
+ uint16_t fallingmask;
+
+ /* Simple trigger support (<= 50 MHz). */
+ uint16_t simplemask;
+ uint16_t simplevalue;
+
+ /* TODO: Advanced trigger support (boolean expressions). */
+};
+
+/* Events for trigger operation. */
+enum triggerop {
+ OP_LEVEL = 1,
+ OP_NOT,
+ OP_RISE,
+ OP_FALL,
+ OP_RISEFALL,
+ OP_NOTRISE,
+ OP_NOTFALL,
+ OP_NOTRISEFALL,
+};
+
+/* Logical functions for trigger operation. */
+enum triggerfunc {
+ FUNC_AND = 1,
+ FUNC_NAND,
+ FUNC_OR,
+ FUNC_NOR,
+ FUNC_XOR,
+ FUNC_NXOR,
+};
+
+struct sigma_state {
+ enum {
+ SIGMA_UNINITIALIZED = 0,
+ SIGMA_IDLE,
+ SIGMA_CAPTURE,
+ SIGMA_DOWNLOAD,
+ } state;
+
+ uint32_t stoppos, triggerpos;
+ uint16_t lastts;
+ uint16_t lastsample;
+
+ int triggerchunk;
+ int chunks_downloaded;
+};
+
+/* Private, per-device-instance driver context. */
+struct dev_context {
+ struct ftdi_context ftdic;
+ uint64_t cur_samplerate;
+ uint64_t period_ps;
+ uint64_t limit_msec;
+ struct timeval start_tv;
+ int cur_firmware;
+ int num_probes;
+ int samples_per_event;
+ int capture_ratio;
+ struct sigma_trigger trigger;
+ int use_triggers;
+ struct sigma_state state;
+ void *session_dev_id;
+};
+
#endif