]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/openbench-logic-sniffer/api.c
ols: Rename "flags" to "capture flags".
[libsigrok.git] / src / hardware / openbench-logic-sniffer / api.c
index 1aa7844e80d9c4f34e614f647a462c6fff5659aa..3e632b4752d0ee020fba47fb534570f7dae62a79 100644 (file)
@@ -83,7 +83,7 @@ static const uint64_t samplerates[] = {
        SR_HZ(1),
 };
 
-#define RESPONSE_DELAY_US (10 * 1000)
+#define RESPONSE_DELAY_US (20 * 1000)
 
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
@@ -91,10 +91,10 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        struct sr_dev_inst *sdi;
        struct sr_serial_dev_inst *serial;
        GSList *l;
-       int ret;
+       int num_read;
        unsigned int i;
        const char *conn, *serialcomm;
-       char buf[8];
+       char buf[4] = { 0, 0, 0, 0 };
 
        conn = serialcomm = NULL;
        for (l = options; l; l = l->next) {
@@ -135,20 +135,23 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 
        g_usleep(RESPONSE_DELAY_US);
 
-       if (sp_input_waiting(serial->data) == 0) {
-               sr_dbg("Didn't get any reply.");
+       if (serial_has_receive_data(serial) == 0) {
+               sr_dbg("Didn't get any ID reply.");
                return NULL;
        }
 
-       ret = serial_read_blocking(serial, buf, 4, serial_timeout(serial, 4));
-       if (ret != 4) {
-               sr_err("Invalid reply (expected 4 bytes, got %d).", ret);
+       num_read = serial_read_blocking(serial, buf, 4, serial_timeout(serial, 4));
+       if (num_read < 0) {
+               sr_err("Getting ID reply failed (%d).", num_read);
                return NULL;
        }
 
        if (strncmp(buf, "1SLO", 4) && strncmp(buf, "1ALS", 4)) {
-               sr_err("Invalid reply (expected '1SLO' or '1ALS', got "
-                      "'%c%c%c%c').", buf[0], buf[1], buf[2], buf[3]);
+               GString *id = sr_hexdump_new((uint8_t *)buf, num_read);
+
+               sr_err("Invalid ID reply (got %s).", id->str);
+
+               sr_hexdump_free(id);
                return NULL;
        }
 
@@ -159,7 +162,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 
        g_usleep(RESPONSE_DELAY_US);
 
-       if (sp_input_waiting(serial->data) != 0) {
+       if (serial_has_receive_data(serial) != 0) {
                /* Got metadata. */
                sdi = get_metadata(serial);
        } else {
@@ -210,15 +213,15 @@ static int config_get(uint32_t key, GVariant **data,
                *data = g_variant_new_uint64(devc->limit_samples);
                break;
        case SR_CONF_PATTERN_MODE:
-               if (devc->flag_reg & FLAG_EXTERNAL_TEST_MODE)
+               if (devc->capture_flags & CAPTURE_FLAG_EXTERNAL_TEST_MODE)
                        *data = g_variant_new_string(STR_PATTERN_EXTERNAL);
-               else if (devc->flag_reg & FLAG_INTERNAL_TEST_MODE)
+               else if (devc->capture_flags & CAPTURE_FLAG_INTERNAL_TEST_MODE)
                        *data = g_variant_new_string(STR_PATTERN_INTERNAL);
                else
                        *data = g_variant_new_string(STR_PATTERN_NONE);
                break;
        case SR_CONF_RLE:
-               *data = g_variant_new_boolean(devc->flag_reg & FLAG_RLE ? TRUE : FALSE);
+               *data = g_variant_new_boolean(devc->capture_flags & CAPTURE_FLAG_RLE ? TRUE : FALSE);
                break;
        default:
                return SR_ERR_NA;
@@ -257,10 +260,10 @@ static int config_set(uint32_t key, GVariant *data,
        case SR_CONF_EXTERNAL_CLOCK:
                if (g_variant_get_boolean(data)) {
                        sr_info("Enabling external clock.");
-                       devc->flag_reg |= FLAG_CLOCK_EXTERNAL;
+                       devc->capture_flags |= CAPTURE_FLAG_CLOCK_EXTERNAL;
                } else {
                        sr_info("Disabled external clock.");
-                       devc->flag_reg &= ~FLAG_CLOCK_EXTERNAL;
+                       devc->capture_flags &= ~CAPTURE_FLAG_CLOCK_EXTERNAL;
                }
                break;
        case SR_CONF_PATTERN_MODE:
@@ -270,33 +273,33 @@ static int config_set(uint32_t key, GVariant *data,
                        flag = 0x0000;
                } else if (!strcmp(stropt, STR_PATTERN_INTERNAL)) {
                        sr_info("Enabling internal test mode.");
-                       flag = FLAG_INTERNAL_TEST_MODE;
+                       flag = CAPTURE_FLAG_INTERNAL_TEST_MODE;
                } else if (!strcmp(stropt, STR_PATTERN_EXTERNAL)) {
                        sr_info("Enabling external test mode.");
-                       flag = FLAG_EXTERNAL_TEST_MODE;
+                       flag = CAPTURE_FLAG_EXTERNAL_TEST_MODE;
                } else {
                        return SR_ERR;
                }
-               devc->flag_reg &= ~FLAG_INTERNAL_TEST_MODE;
-               devc->flag_reg &= ~FLAG_EXTERNAL_TEST_MODE;
-               devc->flag_reg |= flag;
+               devc->capture_flags &= ~CAPTURE_FLAG_INTERNAL_TEST_MODE;
+               devc->capture_flags &= ~CAPTURE_FLAG_EXTERNAL_TEST_MODE;
+               devc->capture_flags |= flag;
                break;
        case SR_CONF_SWAP:
                if (g_variant_get_boolean(data)) {
                        sr_info("Enabling channel swapping.");
-                       devc->flag_reg |= FLAG_SWAP_CHANNELS;
+                       devc->capture_flags |= CAPTURE_FLAG_SWAP_CHANNELS;
                } else {
                        sr_info("Disabling channel swapping.");
-                       devc->flag_reg &= ~FLAG_SWAP_CHANNELS;
+                       devc->capture_flags &= ~CAPTURE_FLAG_SWAP_CHANNELS;
                }
                break;
        case SR_CONF_RLE:
                if (g_variant_get_boolean(data)) {
                        sr_info("Enabling RLE.");
-                       devc->flag_reg |= FLAG_RLE;
+                       devc->capture_flags |= CAPTURE_FLAG_RLE;
                } else {
                        sr_info("Disabling RLE.");
-                       devc->flag_reg &= ~FLAG_RLE;
+                       devc->capture_flags &= ~CAPTURE_FLAG_RLE;
                }
                break;
        default:
@@ -329,7 +332,7 @@ static int config_list(uint32_t key, GVariant **data,
                if (!sdi)
                        return SR_ERR_ARG;
                devc = sdi->priv;
-               if (devc->flag_reg & FLAG_RLE)
+               if (devc->capture_flags & CAPTURE_FLAG_RLE)
                        return SR_ERR_NA;
                if (devc->max_samples == 0)
                        /* Device didn't specify sample memory size in metadata. */
@@ -417,14 +420,10 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
        /*
         * Limit readcount to prevent reading past the end of the hardware
-        * buffer.
+        * buffer. Rather read too many samples than too few.
         */
        samplecount = MIN(devc->max_samples / num_ols_changrp, devc->limit_samples);
-       readcount = samplecount / 4;
-
-       /* Rather read too many samples than too few. */
-       if (samplecount % 4 != 0)
-               readcount++;
+       readcount = (samplecount + 3) / 4;
 
        /* Basic triggers. */
        if (ols_convert_trigger(sdi) != SR_OK) {
@@ -441,7 +440,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
                        return SR_ERR;
 
                delaycount = readcount * (1 - devc->capture_ratio / 100.0);
-               devc->trigger_at = (readcount - delaycount) * 4 - devc->num_stages;
+               devc->trigger_at_smpl = (readcount - delaycount) * 4 - devc->num_stages;
                for (i = 0; i <= devc->num_stages; i++) {
                        sr_dbg("Setting OLS stage %d trigger.", i);
                        if ((ret = set_trigger(sdi, i)) != SR_OK)
@@ -468,27 +467,43 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
        /* Send sample limit and pre/post-trigger capture ratio. */
        sr_dbg("Setting sample limit %d, trigger point at %d",
                        (readcount - 1) * 4, (delaycount - 1) * 4);
-       arg[0] = ((readcount - 1) & 0xff);
-       arg[1] = ((readcount - 1) & 0xff00) >> 8;
-       arg[2] = ((delaycount - 1) & 0xff);
-       arg[3] = ((delaycount - 1) & 0xff00) >> 8;
-       if (send_longcommand(serial, CMD_CAPTURE_SIZE, arg) != SR_OK)
-               return SR_ERR;
+
+       if (devc->max_samples > 256 * 1024) {
+               arg[0] = ((readcount - 1) & 0xff);
+               arg[1] = ((readcount - 1) & 0xff00) >> 8;
+               arg[2] = ((readcount - 1) & 0xff0000) >> 16;
+               arg[3] = ((readcount - 1) & 0xff000000) >> 24;
+               if (send_longcommand(serial, CMD_CAPTURE_READCOUNT, arg) != SR_OK)
+                       return SR_ERR;
+               arg[0] = ((delaycount - 1) & 0xff);
+               arg[1] = ((delaycount - 1) & 0xff00) >> 8;
+               arg[2] = ((delaycount - 1) & 0xff0000) >> 16;
+               arg[3] = ((delaycount - 1) & 0xff000000) >> 24;
+               if (send_longcommand(serial, CMD_CAPTURE_DELAYCOUNT, arg) != SR_OK)
+                       return SR_ERR;
+       } else {
+               arg[0] = ((readcount - 1) & 0xff);
+               arg[1] = ((readcount - 1) & 0xff00) >> 8;
+               arg[2] = ((delaycount - 1) & 0xff);
+               arg[3] = ((delaycount - 1) & 0xff00) >> 8;
+               if (send_longcommand(serial, CMD_CAPTURE_SIZE, arg) != SR_OK)
+                       return SR_ERR;
+       }
 
        /* Flag register. */
        sr_dbg("Setting intpat %s, extpat %s, RLE %s, noise_filter %s, demux %s",
-                       devc->flag_reg & FLAG_INTERNAL_TEST_MODE ? "on": "off",
-                       devc->flag_reg & FLAG_EXTERNAL_TEST_MODE ? "on": "off",
-                       devc->flag_reg & FLAG_RLE ? "on" : "off",
-                       devc->flag_reg & FLAG_FILTER ? "on": "off",
-                       devc->flag_reg & FLAG_DEMUX ? "on" : "off");
+                       devc->capture_flags & CAPTURE_FLAG_INTERNAL_TEST_MODE ? "on": "off",
+                       devc->capture_flags & CAPTURE_FLAG_EXTERNAL_TEST_MODE ? "on": "off",
+                       devc->capture_flags & CAPTURE_FLAG_RLE ? "on" : "off",
+                       devc->capture_flags & CAPTURE_FLAG_NOISE_FILTER ? "on": "off",
+                       devc->capture_flags & CAPTURE_FLAG_DEMUX ? "on" : "off");
        /*
         * Enable/disable OLS channel groups in the flag register according
         * to the channel mask. 1 means "disable channel".
         */
-       devc->flag_reg |= ~(ols_changrp_mask << 2) & 0x3c;
-       arg[0] = devc->flag_reg & 0xff;
-       arg[1] = devc->flag_reg >> 8;
+       devc->capture_flags |= ~(ols_changrp_mask << 2) & 0x3c;
+       arg[0] = devc->capture_flags & 0xff;
+       arg[1] = devc->capture_flags >> 8;
        arg[2] = arg[3] = 0x00;
        if (send_longcommand(serial, CMD_SET_FLAGS, arg) != SR_OK)
                return SR_ERR;
@@ -523,7 +538,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 
 static struct sr_dev_driver ols_driver_info = {
        .name = "ols",
-       .longname = "Openbench Logic Sniffer",
+       .longname = "Openbench Logic Sniffer & SUMP compatibles",
        .api_version = 1,
        .init = std_init,
        .cleanup = std_cleanup,