]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/kingst-la2016/api.c
kingst-la2016: sort include directives
[libsigrok.git] / src / hardware / kingst-la2016 / api.c
index c6f18c8f6610bf7e17393de83840b14f0a98a34f..03edcf14c5e96929dbc6342807b27cac044d7515 100644 (file)
 /* mostly stolen from src/hardware/saleae-logic16/ */
 
 #include <config.h>
+
 #include <glib.h>
+#include <libsigrok/libsigrok.h>
 #include <libusb.h>
+#include <math.h>
 #include <stdlib.h>
 #include <string.h>
-#include <math.h>
-#include <libsigrok/libsigrok.h>
+
 #include "libsigrok-internal.h"
 #include "protocol.h"
 
@@ -64,7 +66,7 @@ static const char *channel_names[] = {
        "8", "9", "10", "11", "12", "13", "14", "15",
 };
 
-static const uint64_t samplerates[] = {
+static const uint64_t samplerates_la2016[] = {
        SR_KHZ(20),
        SR_KHZ(50),
        SR_KHZ(100),
@@ -82,6 +84,23 @@ static const uint64_t samplerates[] = {
        SR_MHZ(200),
 };
 
+static const uint64_t samplerates_la1016[] = {
+       SR_KHZ(20),
+       SR_KHZ(50),
+       SR_KHZ(100),
+       SR_KHZ(200),
+       SR_KHZ(500),
+       SR_MHZ(1),
+       SR_MHZ(2),
+       SR_MHZ(4),
+       SR_MHZ(5),
+       SR_MHZ(8),
+       SR_MHZ(10),
+       SR_MHZ(20),
+       SR_MHZ(50),
+       SR_MHZ(100),
+};
+
 static const float logic_threshold_value[] = {
        1.58,
        2.5,
@@ -485,12 +504,22 @@ static int config_set(uint32_t key, GVariant *data,
 static int config_list(uint32_t key, GVariant **data,
        const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
+       struct dev_context *devc;
+
        switch (key) {
        case SR_CONF_SCAN_OPTIONS:
        case SR_CONF_DEVICE_OPTIONS:
                return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
        case SR_CONF_SAMPLERATE:
-               *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates));
+               if (!sdi)
+                       return SR_ERR_ARG;
+               devc = sdi->priv;
+               if (devc->max_samplerate == SR_MHZ(200)) {
+                       *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_la2016));
+               }
+               else {
+                       *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_la1016));
+               }
                break;
        case SR_CONF_LIMIT_SAMPLES:
                *data = std_gvar_tuple_u64(LA2016_NUM_SAMPLES_MIN, LA2016_NUM_SAMPLES_MAX);
@@ -513,186 +542,6 @@ static int config_list(uint32_t key, GVariant **data,
        return SR_OK;
 }
 
-static void send_chunk(struct sr_dev_inst *sdi,
-       const uint8_t *packets, unsigned int num_tfers)
-{
-       struct dev_context *devc;
-       struct sr_datafeed_logic logic;
-       struct sr_datafeed_packet sr_packet;
-       unsigned int max_samples, n_samples, total_samples, free_n_samples;
-       unsigned int i, j, k;
-       int do_signal_trigger;
-       uint16_t *wp;
-       const uint8_t *rp;
-       uint16_t state;
-       uint8_t repetitions;
-
-       devc = sdi->priv;
-
-       logic.unitsize = 2;
-       logic.data = devc->convbuffer;
-
-       sr_packet.type = SR_DF_LOGIC;
-       sr_packet.payload = &logic;
-
-       max_samples = devc->convbuffer_size / 2;
-       n_samples = 0;
-       wp = (uint16_t *)devc->convbuffer;
-       total_samples = 0;
-       do_signal_trigger = 0;
-
-       if (devc->had_triggers_configured && devc->reading_behind_trigger == 0 && devc->info.n_rep_packets_before_trigger == 0) {
-               std_session_send_df_trigger(sdi);
-               devc->reading_behind_trigger = 1;
-       }
-
-       rp = packets;
-       for (i = 0; i < num_tfers; i++) {
-               for (k = 0; k < NUM_PACKETS_IN_CHUNK; k++) {
-                       free_n_samples = max_samples - n_samples;
-                       if (free_n_samples < 256 || do_signal_trigger) {
-                               logic.length = n_samples * 2;
-                               sr_session_send(sdi, &sr_packet);
-                               n_samples = 0;
-                               wp = (uint16_t *)devc->convbuffer;
-                               if (do_signal_trigger) {
-                                       std_session_send_df_trigger(sdi);
-                                       do_signal_trigger = 0;
-                               }
-                       }
-
-                       state = read_u16le_inc(&rp);
-                       repetitions = read_u8_inc(&rp);
-                       for (j = 0; j < repetitions; j++)
-                               *wp++ = state;
-
-                       n_samples += repetitions;
-                       total_samples += repetitions;
-                       devc->total_samples += repetitions;
-                       if (!devc->reading_behind_trigger) {
-                               devc->n_reps_until_trigger--;
-                               if (devc->n_reps_until_trigger == 0) {
-                                       devc->reading_behind_trigger = 1;
-                                       do_signal_trigger = 1;
-                                       sr_dbg("  here is trigger position after %" PRIu64 " samples, %.6fms",
-                                              devc->total_samples,
-                                              (double)devc->total_samples / devc->cur_samplerate * 1e3);
-                               }
-                       }
-               }
-               (void)read_u8_inc(&rp); /* Skip sequence number. */
-       }
-       if (n_samples) {
-               logic.length = n_samples * 2;
-               sr_session_send(sdi, &sr_packet);
-               if (do_signal_trigger) {
-                       std_session_send_df_trigger(sdi);
-               }
-       }
-       sr_dbg("send_chunk done after %d samples", total_samples);
-}
-
-static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer)
-{
-       struct sr_dev_inst *sdi;
-       struct dev_context *devc;
-       struct sr_usb_dev_inst *usb;
-       int ret;
-
-       sdi = transfer->user_data;
-       devc = sdi->priv;
-       usb = sdi->conn;
-
-       sr_dbg("receive_transfer(): status %s received %d bytes.",
-              libusb_error_name(transfer->status), transfer->actual_length);
-
-       if (transfer->status == LIBUSB_TRANSFER_TIMED_OUT) {
-               sr_err("bulk transfer timeout!");
-               devc->transfer_finished = 1;
-       }
-       send_chunk(sdi, transfer->buffer, transfer->actual_length / TRANSFER_PACKET_LENGTH);
-
-       devc->n_bytes_to_read -= transfer->actual_length;
-       if (devc->n_bytes_to_read) {
-               uint32_t to_read = devc->n_bytes_to_read;
-               if (to_read > LA2016_BULK_MAX)
-                       to_read = LA2016_BULK_MAX;
-               libusb_fill_bulk_transfer(
-                       transfer, usb->devhdl,
-                       0x86, transfer->buffer, to_read,
-                       receive_transfer, (void *)sdi, DEFAULT_TIMEOUT_MS);
-
-               if ((ret = libusb_submit_transfer(transfer)) == 0)
-                       return;
-               sr_err("Failed to submit further transfer: %s.", libusb_error_name(ret));
-       }
-
-       g_free(transfer->buffer);
-       libusb_free_transfer(transfer);
-       devc->transfer_finished = 1;
-}
-
-static int handle_event(int fd, int revents, void *cb_data)
-{
-       const struct sr_dev_inst *sdi;
-       struct dev_context *devc;
-       struct drv_context *drvc;
-       struct timeval tv;
-
-       (void)fd;
-       (void)revents;
-
-       sdi = cb_data;
-       devc = sdi->priv;
-       drvc = sdi->driver->context;
-
-       if (devc->have_trigger == 0) {
-               if (la2016_has_triggered(sdi) == 0) {
-                       sr_dbg("not yet ready for download...");
-                       return TRUE;
-               }
-               devc->have_trigger = 1;
-               devc->transfer_finished = 0;
-               devc->reading_behind_trigger = 0;
-               devc->total_samples = 0;
-               /* we can start retrieving data! */
-               if (la2016_start_retrieval(sdi, receive_transfer) != SR_OK) {
-                       sr_err("failed to start retrieval!");
-                       return FALSE;
-               }
-               sr_dbg("retrieval is started...");
-               std_session_send_df_frame_begin(sdi);
-
-               return TRUE;
-       }
-
-       tv.tv_sec = tv.tv_usec = 0;
-       libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
-
-       if (devc->transfer_finished) {
-               sr_dbg("transfer is finished!");
-               std_session_send_df_frame_end(sdi);
-
-               usb_source_remove(sdi->session, drvc->sr_ctx);
-               std_session_send_df_end(sdi);
-
-               la2016_stop_acquisition(sdi);
-
-               g_free(devc->convbuffer);
-               devc->convbuffer = NULL;
-
-               sr_dbg("transfer is now finished");
-       }
-
-       return TRUE;
-}
-
-static void abort_acquisition(struct dev_context *devc)
-{
-       if (devc->transfer)
-               libusb_cancel_transfer(devc->transfer);
-}
-
 static int configure_channels(const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -743,12 +592,13 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
        devc->ctx = drvc->sr_ctx;
 
        if ((ret = la2016_start_acquisition(sdi)) != SR_OK) {
-               abort_acquisition(devc);
+               la2016_abort_acquisition(sdi);
                return ret;
        }
 
        devc->have_trigger = 0;
-       usb_source_add(sdi->session, drvc->sr_ctx, 50, handle_event, (void *)sdi);
+       usb_source_add(sdi->session, drvc->sr_ctx, 50,
+               la2016_receive_data, (void *)sdi);
 
        std_session_send_df_header(sdi);
 
@@ -760,7 +610,6 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi)
        int ret;
 
        ret = la2016_abort_acquisition(sdi);
-       abort_acquisition(sdi->priv);
 
        return ret;
 }