]> sigrok.org Git - libsigrok.git/blobdiff - hardware/zeroplus-logic-cube/zeroplus.c
use new datafeed packet format
[libsigrok.git] / hardware / zeroplus-logic-cube / zeroplus.c
index 875291ee9a63de5574fee21165e3a56cb11c0409..b25ce3640c1b271f2a9c49416df7a535e6fcf57f 100644 (file)
@@ -118,6 +118,7 @@ static struct sr_samplerates samplerates = {
 
 /* TODO: All of these should go in a device-specific struct. */
 static uint64_t cur_samplerate = 0;
+static uint64_t period_ps = 0;
 static uint64_t limit_samples = 0;
 static int num_channels = 32; /* TODO: This isn't initialized before it's needed :( */
 static uint64_t memory_size = 0;
@@ -461,6 +462,7 @@ static int set_configuration_samplerate(uint64_t samplerate)
                analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
 
        cur_samplerate = samplerate;
+       period_ps = 1000000000000 / samplerate;
 
        return SR_OK;
 }
@@ -488,11 +490,13 @@ static int hw_set_configuration(int device_index, int capability, void *value)
        }
 }
 
-static int hw_start_acquisition(int device_index, gpointer session_device_id)
+static int hw_start_acquisition(int device_index, gpointer session_data)
 {
        struct sr_device_instance *sdi;
        struct sr_datafeed_packet packet;
+       struct sr_datafeed_logic logic;
        struct sr_datafeed_header header;
+       uint64_t samples_read;
        int res;
        unsigned int packet_num;
        unsigned char *buf;
@@ -507,50 +511,48 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id)
        sr_info("Waiting for data");
        analyzer_wait_data(sdi->usb->devhdl);
 
-       sr_info("Stop address    = 0x%x",
-               analyzer_get_stop_address(sdi->usb->devhdl));
-       sr_info("Now address     = 0x%x",
-               analyzer_get_now_address(sdi->usb->devhdl));
-       sr_info("Trigger address = 0x%x",
-               analyzer_get_trigger_address(sdi->usb->devhdl));
+       sr_info("Stop address    = 0x%x", analyzer_get_stop_address(sdi->usb->devhdl));
+       sr_info("Now address     = 0x%x", analyzer_get_now_address(sdi->usb->devhdl));
+       sr_info("Trigger address = 0x%x", analyzer_get_trigger_address(sdi->usb->devhdl));
 
        packet.type = SR_DF_HEADER;
-       packet.length = sizeof(struct sr_datafeed_header);
-       packet.payload = (unsigned char *)&header;
+       packet.payload = &header;
        header.feed_version = 1;
        gettimeofday(&header.starttime, NULL);
        header.samplerate = cur_samplerate;
-       header.protocol_id = SR_PROTO_RAW;
        header.num_logic_probes = num_channels;
        header.num_analog_probes = 0;
-       sr_session_bus(session_device_id, &packet);
+       sr_session_bus(session_data, &packet);
 
        if (!(buf = g_try_malloc(PACKET_SIZE))) {
                sr_err("lap-c: %s: buf malloc failed", __func__);
                return SR_ERR_MALLOC;
        }
 
+       samples_read = 0;
        analyzer_read_start(sdi->usb->devhdl);
        /* Send the incoming transfer to the session bus. */
        for (packet_num = 0; packet_num < (memory_size * 4 / PACKET_SIZE);
             packet_num++) {
                res = analyzer_read_data(sdi->usb->devhdl, buf, PACKET_SIZE);
-#if 0
                sr_info("Tried to read %llx bytes, actually read %x bytes",
                        PACKET_SIZE, res);
-#endif
 
                packet.type = SR_DF_LOGIC;
-               packet.length = PACKET_SIZE;
-               packet.unitsize = 4;
-               packet.payload = buf;
-               sr_session_bus(session_device_id, &packet);
+               packet.timeoffset = samples_read * period_ps;
+               packet.duration = res / 4 * period_ps;
+               packet.payload = &logic;
+               logic.length = PACKET_SIZE;
+               logic.unitsize = 4;
+               logic.data = buf;
+               sr_session_bus(session_data, &packet);
+               samples_read += res / 4;
        }
        analyzer_read_stop(sdi->usb->devhdl);
        g_free(buf);
 
        packet.type = SR_DF_END;
-       sr_session_bus(session_device_id, &packet);
+       sr_session_bus(session_data, &packet);
 
        return SR_OK;
 }