X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fasix-sigma%2Fasix-sigma.h;h=4c9deff68bf480ddbf859fe8eb5c3bd747bad115;hb=102f12396660e0784134bccce5cc0679db325751;hp=7cfe5909cbec82967b3230fa8dd7cbf7d2c473ac;hpb=50985c2019b2b5a6ce394589d89ee925b4f5e3a9;p=libsigrok.git diff --git a/hardware/asix-sigma/asix-sigma.h b/hardware/asix-sigma/asix-sigma.h index 7cfe5909..4c9deff6 100644 --- a/hardware/asix-sigma/asix-sigma.h +++ b/hardware/asix-sigma/asix-sigma.h @@ -22,14 +22,7 @@ #ifndef LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H #define LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H -/* Message logging helpers with driver-specific prefix string. */ -#define DRIVER_LOG_DOMAIN "asix-sigma: " -#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args) -#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args) -#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args) -#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args) -#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args) -#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args) +#define LOG_PREFIX "asix-sigma" enum sigma_write_register { WRITE_CLOCK_SELECT = 0, @@ -62,17 +55,17 @@ enum sigma_read_register { READ_TEST = 15, }; -#define REG_ADDR_LOW (0 << 4) -#define REG_ADDR_HIGH (1 << 4) -#define REG_DATA_LOW (2 << 4) -#define REG_DATA_HIGH_WRITE (3 << 4) -#define REG_READ_ADDR (4 << 4) -#define REG_DRAM_WAIT_ACK (5 << 4) +#define REG_ADDR_LOW (0x0 << 4) +#define REG_ADDR_HIGH (0x1 << 4) +#define REG_DATA_LOW (0x2 << 4) +#define REG_DATA_HIGH_WRITE (0x3 << 4) +#define REG_READ_ADDR (0x4 << 4) +#define REG_DRAM_WAIT_ACK (0x5 << 4) /* Bit (1 << 4) can be low or high (double buffer / cache) */ -#define REG_DRAM_BLOCK (6 << 4) -#define REG_DRAM_BLOCK_BEGIN (8 << 4) -#define REG_DRAM_BLOCK_DATA (10 << 4) +#define REG_DRAM_BLOCK (0x6 << 4) +#define REG_DRAM_BLOCK_BEGIN (0x8 << 4) +#define REG_DRAM_BLOCK_DATA (0xa << 4) #define LEDSEL0 6 #define LEDSEL1 7 @@ -83,10 +76,29 @@ enum sigma_read_register { #define CHUNK_SIZE 1024 +/* + * The entire ASIX Sigma DRAM is an array of struct sigma_dram_line[1024]; + */ + +/* One "DRAM cluster" contains a timestamp and 7 samples, 16b total. */ +struct sigma_dram_cluster { + uint8_t timestamp_lo; + uint8_t timestamp_hi; + struct { + uint8_t sample_hi; + uint8_t sample_lo; + } samples[7]; +}; + +/* One "DRAM line" contains 64 "DRAM clusters", 1024b total. */ +struct sigma_dram_line { + struct sigma_dram_cluster cluster[64]; +}; + struct clockselect_50 { uint8_t async; uint8_t fraction; - uint16_t disabled_probes; + uint16_t disabled_channels; }; /* The effect of all these are still a bit unclear. */ @@ -133,7 +145,7 @@ struct triggerlut { /* Trigger configuration */ struct sigma_trigger { - /* Only two probes can be used in mask. */ + /* Only two channels can be used in mask. */ uint16_t risingmask; uint16_t fallingmask; @@ -174,12 +186,8 @@ struct sigma_state { SIGMA_DOWNLOAD, } state; - uint32_t stoppos, triggerpos; uint16_t lastts; uint16_t lastsample; - - int triggerchunk; - int chunks_downloaded; }; /* Private, per-device-instance driver context. */ @@ -190,7 +198,8 @@ struct dev_context { uint64_t limit_msec; struct timeval start_tv; int cur_firmware; - int num_probes; + int num_channels; + int cur_channels; int samples_per_event; int capture_ratio; struct sigma_trigger trigger;