]> sigrok.org Git - libsigrok.git/blobdiff - hardware/saleae-logic/saleae-logic.c
Change all sigrok_ prefixes to sr_.
[libsigrok.git] / hardware / saleae-logic / saleae-logic.c
index 07491fa085427889112e05bcb12b5e22a9773959..dfc07f9b74774f6f68f8e410ffb3c7c2110fc723 100644 (file)
 #include <glib.h>
 #include <libusb.h>
 #include <sigrok.h>
+#include <sigrok-internal.h>
 #include "config.h"
 
-#define USB_VENDOR                     0x0925
+#define USB_VENDOR                 0x0925
 #define USB_PRODUCT                    0x3881
-#define USB_VENDOR_NAME                        "Saleae"
-#define USB_MODEL_NAME                 "Logic"
-#define USB_MODEL_VERSION              ""
+#define USB_VENDOR_NAME        "Saleae"
+#define USB_MODEL_NAME         "Logic"
+#define USB_MODEL_VERSION      ""
 
-#define USB_INTERFACE                  0
-#define USB_CONFIGURATION              1
-#define NUM_PROBES                     8
-#define NUM_TRIGGER_STAGES             4
-#define TRIGGER_TYPES                  "01"
-#define FIRMWARE                       FIRMWARE_DIR "/saleae-logic.fw"
+#define USB_INTERFACE          0
+#define USB_CONFIGURATION      1
+#define NUM_PROBES             8
+#define NUM_TRIGGER_STAGES     4
+#define TRIGGER_TYPES          "01"
+#define FIRMWARE               FIRMWARE_DIR "/saleae-logic.fw"
 
 /* delay in ms */
-#define FIRMWARE_RENUM_DELAY           2000
-#define NUM_SIMUL_TRANSFERS            10
-#define MAX_EMPTY_TRANSFERS            (NUM_SIMUL_TRANSFERS * 2)
+#define FIRMWARE_RENUM_DELAY   2000
+#define NUM_SIMUL_TRANSFERS    10
+#define MAX_EMPTY_TRANSFERS    (NUM_SIMUL_TRANSFERS * 2)
 
 /* Software trigger implementation: positive values indicate trigger stage. */
-#define TRIGGER_FIRED                  -1
+#define TRIGGER_FIRED          -1
 
 /* There is only one model Saleae Logic, and this is what it supports: */
 static int capabilities[] = {
@@ -54,10 +55,11 @@ static int capabilities[] = {
 
        /* These are really implemented in the driver, not the hardware. */
        HWCAP_LIMIT_SAMPLES,
+       HWCAP_CONTINUOUS,
        0,
 };
 
-/* List of struct sigrok_device_instance, maintained by opendev()/closedev(). */
+/* List of struct sr_device_instance, maintained by opendev()/closedev(). */
 static GSList *device_instances = NULL;
 
 /*
@@ -164,14 +166,14 @@ int check_conf_profile(libusb_device *dev)
        return ret;
 }
 
-struct sigrok_device_instance *sl_open_device(int device_index)
+struct sr_device_instance *sl_open_device(int device_index)
 {
-       struct sigrok_device_instance *sdi;
+       struct sr_device_instance *sdi;
        libusb_device **devlist;
        struct libusb_device_descriptor des;
        int err, skip, i;
 
-       if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
+       if (!(sdi = get_sr_device_instance(device_instances, device_index)))
                return NULL;
 
        libusb_get_device_list(usb_context, &devlist);
@@ -226,12 +228,12 @@ int upload_firmware(libusb_device *dev)
        return 0;
 }
 
-static void close_device(struct sigrok_device_instance *sdi)
+static void close_device(struct sr_device_instance *sdi)
 {
        if (sdi->usb->devhdl == NULL)
                return;
 
-       g_message("closing device %d on %d.%d interface %d", sdi->index,
+       g_message("saleae: closing device %d on %d.%d interface %d", sdi->index,
                  sdi->usb->bus, sdi->usb->address, USB_INTERFACE);
        libusb_release_interface(sdi->usb->devhdl, USB_INTERFACE);
        libusb_close(sdi->usb->devhdl);
@@ -269,7 +271,7 @@ static int configure_probes(GSList *probes)
                                trigger_value[stage] |= probe_bit;
                        stage++;
                        if (stage > NUM_TRIGGER_STAGES)
-                               return SIGROK_ERR;
+                               return SR_ERR;
                }
        }
 
@@ -282,7 +284,7 @@ static int configure_probes(GSList *probes)
        else
                trigger_stage = 0;
 
-       return SIGROK_OK;
+       return SR_OK;
 }
 
 /*
@@ -291,19 +293,18 @@ static int configure_probes(GSList *probes)
 
 static int hw_init(char *deviceinfo)
 {
-       struct sigrok_device_instance *sdi;
+       struct sr_device_instance *sdi;
        struct libusb_device_descriptor des;
        libusb_device **devlist;
        int err, devcnt, i;
 
-       /* QUICK HACK */
+       /* Avoid compiler warnings. */
        deviceinfo = deviceinfo;
 
        if (libusb_init(&usb_context) != 0) {
                g_warning("Failed to initialize USB.");
                return 0;
        }
-       libusb_set_debug(usb_context, 3);
 
        /* Find all Saleae Logic devices and upload firmware to all of them. */
        devcnt = 0;
@@ -318,7 +319,7 @@ static int hw_init(char *deviceinfo)
                if (des.idVendor != USB_VENDOR || des.idProduct != USB_PRODUCT)
                        continue; /* Not a Saleae Logic... */
 
-               sdi = sigrok_device_instance_new(devcnt, ST_INITIALIZING,
+               sdi = sr_device_instance_new(devcnt, ST_INITIALIZING,
                        USB_VENDOR_NAME, USB_MODEL_NAME, USB_MODEL_VERSION);
                if (!sdi)
                        return 0;
@@ -352,7 +353,7 @@ static int hw_init(char *deviceinfo)
 static int hw_opendev(int device_index)
 {
        GTimeVal cur_time;
-       struct sigrok_device_instance *sdi;
+       struct sr_device_instance *sdi;
        int timediff, err;
        unsigned int cur, upd;
 
@@ -365,7 +366,7 @@ static int hw_opendev(int device_index)
                timediff = cur - upd;
                if (timediff < FIRMWARE_RENUM_DELAY) {
                        timediff = FIRMWARE_RENUM_DELAY - timediff;
-                       g_message("waiting %d ms for device to reset",
+                       g_message("saleae: waiting %d ms for device to reset",
                                  timediff);
                        g_usleep(timediff * 1000);
                        firmware_updated.tv_sec = 0;
@@ -374,30 +375,30 @@ static int hw_opendev(int device_index)
 
        if (!(sdi = sl_open_device(device_index))) {
                g_warning("unable to open device");
-               return SIGROK_ERR;
+               return SR_ERR;
        }
 
        err = libusb_claim_interface(sdi->usb->devhdl, USB_INTERFACE);
        if (err != 0) {
                g_warning("Unable to claim interface: %d", err);
-               return SIGROK_ERR;
+               return SR_ERR;
        }
 
        if (cur_samplerate == 0) {
                /* Samplerate hasn't been set; default to the slowest one. */
                if (hw_set_configuration(device_index, HWCAP_SAMPLERATE,
-                   &supported_samplerates[0]) == SIGROK_ERR)
-                       return SIGROK_ERR;
+                   &supported_samplerates[0]) == SR_ERR)
+                       return SR_ERR;
        }
 
-       return SIGROK_OK;
+       return SR_OK;
 }
 
 static void hw_closedev(int device_index)
 {
-       struct sigrok_device_instance *sdi;
+       struct sr_device_instance *sdi;
 
-       if ((sdi = get_sigrok_device_instance(device_instances, device_index)))
+       if ((sdi = get_sr_device_instance(device_instances, device_index)))
                close_device(sdi);
 }
 
@@ -407,7 +408,7 @@ static void hw_cleanup(void)
 
        /* Properly close all devices... */
        for (l = device_instances; l; l = l->next)
-               close_device((struct sigrok_device_instance *)l->data);
+               close_device((struct sr_device_instance *)l->data);
 
        /* ...and free all their memory. */
        for (l = device_instances; l; l = l->next)
@@ -422,10 +423,10 @@ static void hw_cleanup(void)
 
 static void *hw_get_device_info(int device_index, int device_info_id)
 {
-       struct sigrok_device_instance *sdi;
+       struct sr_device_instance *sdi;
        void *info = NULL;
 
-       if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
+       if (!(sdi = get_sr_device_instance(device_instances, device_index)))
                return NULL;
 
        switch (device_info_id) {
@@ -451,9 +452,9 @@ static void *hw_get_device_info(int device_index, int device_info_id)
 
 static int hw_get_status(int device_index)
 {
-       struct sigrok_device_instance *sdi;
+       struct sr_device_instance *sdi;
 
-       sdi = get_sigrok_device_instance(device_instances, device_index);
+       sdi = get_sr_device_instance(device_instances, device_index);
        if (sdi)
                return sdi->status;
        else
@@ -465,7 +466,7 @@ static int *hw_get_capabilities(void)
        return capabilities;
 }
 
-static int set_configuration_samplerate(struct sigrok_device_instance *sdi,
+static int set_configuration_samplerate(struct sr_device_instance *sdi,
                                        uint64_t samplerate)
 {
        uint8_t divider;
@@ -477,11 +478,11 @@ static int set_configuration_samplerate(struct sigrok_device_instance *sdi,
                        break;
        }
        if (supported_samplerates[i] == 0)
-               return SIGROK_ERR_SAMPLERATE;
+               return SR_ERR_SAMPLERATE;
 
        divider = (uint8_t) (48 / (samplerate / 1000000.0)) - 1;
 
-       g_message("setting samplerate to %" PRIu64 " Hz (divider %d)",
+       g_message("saleae: setting samplerate to %" PRIu64 " Hz (divider %d)",
                  samplerate, divider);
        buf[0] = 0x01;
        buf[1] = divider;
@@ -489,21 +490,21 @@ static int set_configuration_samplerate(struct sigrok_device_instance *sdi,
                                   buf, 2, &result, 500);
        if (ret != 0) {
                g_warning("failed to set samplerate: %d", ret);
-               return SIGROK_ERR;
+               return SR_ERR;
        }
        cur_samplerate = samplerate;
 
-       return SIGROK_OK;
+       return SR_OK;
 }
 
 static int hw_set_configuration(int device_index, int capability, void *value)
 {
-       struct sigrok_device_instance *sdi;
+       struct sr_device_instance *sdi;
        int ret;
        uint64_t *tmp_u64;
 
-       if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
-               return SIGROK_ERR;
+       if (!(sdi = get_sr_device_instance(device_instances, device_index)))
+               return SR_ERR;
 
        if (capability == HWCAP_SAMPLERATE) {
                tmp_u64 = value;
@@ -513,9 +514,9 @@ static int hw_set_configuration(int device_index, int capability, void *value)
        } else if (capability == HWCAP_LIMIT_SAMPLES) {
                tmp_u64 = value;
                limit_samples = *tmp_u64;
-               ret = SIGROK_OK;
+               ret = SR_OK;
        } else {
-               ret = SIGROK_ERR;
+               ret = SR_ERR;
        }
 
        return ret;
@@ -525,7 +526,7 @@ static int receive_data(int fd, int revents, void *user_data)
 {
        struct timeval tv;
 
-       /* QUICK HACK */
+       /* Avoid compiler warnings. */
        fd = fd;
        revents = revents;
        user_data = user_data;
@@ -536,59 +537,6 @@ static int receive_data(int fd, int revents, void *user_data)
        return TRUE;
 }
 
-static void trigger_helper(int i, unsigned char *cur_buf,
-                          struct datafeed_packet *packet, void *user_data,
-                          int *trigger_offset)
-{
-       if ((cur_buf[i] & trigger_mask[trigger_stage])
-           == trigger_value[trigger_stage]) {
-               /* Match on this trigger stage. */
-               trigger_buffer[trigger_stage] = cur_buf[i];
-               trigger_stage++;
-               if (trigger_stage == NUM_TRIGGER_STAGES
-                   || trigger_mask[trigger_stage] == 0) {
-                       /* Match on all trigger stages, we're done. */
-                       *trigger_offset = i + 1;
-
-                       /*
-                        * TODO: Send pre-trigger buffer to session bus.
-                        * Tell the frontend we hit the trigger here.
-                        */
-                       packet->type = DF_TRIGGER;
-                       packet->length = 0;
-                       session_bus(user_data, packet);
-
-                       /*
-                        * Send the samples that triggered it, since we're
-                        * skipping past them.
-                        */
-                       packet->type = DF_LOGIC8;
-                       packet->length = trigger_stage;
-                       packet->payload = trigger_buffer;
-                       session_bus(user_data, packet);
-                       // break; // FIXME???
-
-                       trigger_stage = TRIGGER_FIRED;
-               }
-               return;
-       }
-
-       /*
-        * We had a match before, but not in the next sample. However, we may
-        * have a match on this stage in the next bit -- trigger on 0001 will
-        * fail on seeing 00001, so we need to go back to stage 0 -- but at
-        * the next sample from the one that matched originally, which the
-        * counter increment at the end of the loop takes care of.
-        */
-       if (trigger_stage > 0) {
-               i -= trigger_stage;
-               if (i < -1)
-                       i = -1; /* Oops, went back past this buffer. */
-               /* Reset trigger stage. */
-               trigger_stage = 0;
-       }
-}
-
 void receive_transfer(struct libusb_transfer *transfer)
 {
        static int num_samples = 0;
@@ -612,7 +560,7 @@ void receive_transfer(struct libusb_transfer *transfer)
                return;
        }
 
-       g_message("receive_transfer(): status %d received %d bytes",
+       g_message("saleae: receive_transfer(): status %d received %d bytes",
                  transfer->status, transfer->actual_length);
 
        /* Save incoming transfer before reusing the transfer struct. */
@@ -646,21 +594,69 @@ void receive_transfer(struct libusb_transfer *transfer)
        trigger_offset = 0;
        if (trigger_stage >= 0) {
                for (i = 0; i < cur_buflen; i++) {
-                       trigger_helper(i, cur_buf, &packet, user_data,
-                                      &trigger_offset);
+
+                       if ((cur_buf[i] & trigger_mask[trigger_stage]) == trigger_value[trigger_stage]) {
+                               /* Match on this trigger stage. */
+                               trigger_buffer[trigger_stage] = cur_buf[i];
+                               trigger_stage++;
+                               if (trigger_stage == NUM_TRIGGER_STAGES || trigger_mask[trigger_stage] == 0) {
+                                       /* Match on all trigger stages, we're done. */
+                                       trigger_offset = i + 1;
+
+                                       /*
+                                        * TODO: Send pre-trigger buffer to session bus.
+                                        * Tell the frontend we hit the trigger here.
+                                        */
+                                       packet.type = DF_TRIGGER;
+                                       packet.length = 0;
+                                       session_bus(user_data, &packet);
+
+                                       /*
+                                        * Send the samples that triggered it, since we're
+                                        * skipping past them.
+                                        */
+                                       packet.type = DF_LOGIC;
+                                       packet.length = trigger_stage;
+                                       packet.unitsize = 1;
+                                       packet.payload = trigger_buffer;
+                                       session_bus(user_data, &packet);
+
+                                       trigger_stage = TRIGGER_FIRED;
+                                       break;
+                               }
+                               return;
+                       }
+
+                       /*
+                        * We had a match before, but not in the next sample. However, we may
+                        * have a match on this stage in the next bit -- trigger on 0001 will
+                        * fail on seeing 00001, so we need to go back to stage 0 -- but at
+                        * the next sample from the one that matched originally, which the
+                        * counter increment at the end of the loop takes care of.
+                        */
+                       if (trigger_stage > 0) {
+                               i -= trigger_stage;
+                               if (i < -1)
+                                       i = -1; /* Oops, went back past this buffer. */
+                               /* Reset trigger stage. */
+                               trigger_stage = 0;
+                       }
+
+
                }
        }
 
        if (trigger_stage == TRIGGER_FIRED) {
                /* Send the incoming transfer to the session bus. */
-               packet.type = DF_LOGIC8;
+               packet.type = DF_LOGIC;
                packet.length = cur_buflen - trigger_offset;
+               packet.unitsize = 1;
                packet.payload = cur_buf + trigger_offset;
                session_bus(user_data, &packet);
                g_free(cur_buf);
 
                num_samples += cur_buflen;
-               if ((unsigned int)num_samples > limit_samples) {
+               if (limit_samples && (unsigned int) num_samples > limit_samples) {
                        hw_stop_acquisition(-1, user_data);
                }
        } else {
@@ -673,7 +669,7 @@ void receive_transfer(struct libusb_transfer *transfer)
 
 static int hw_start_acquisition(int device_index, gpointer session_device_id)
 {
-       struct sigrok_device_instance *sdi;
+       struct sr_device_instance *sdi;
        struct datafeed_packet *packet;
        struct datafeed_header *header;
        struct libusb_transfer *transfer;
@@ -681,13 +677,13 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id)
        int size, i;
        unsigned char *buf;
 
-       if (!(sdi = get_sigrok_device_instance(device_instances, device_index)))
-               return SIGROK_ERR;
+       if (!(sdi = get_sr_device_instance(device_instances, device_index)))
+               return SR_ERR;
 
        packet = g_malloc(sizeof(struct datafeed_packet));
        header = g_malloc(sizeof(struct datafeed_header));
        if (!packet || !header)
-               return SIGROK_ERR;
+               return SR_ERR;
 
        /* Start with 2K transfer, subsequently increased to 4K. */
        size = 2048;
@@ -701,7 +697,7 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id)
                        /* TODO: Free them all. */
                        libusb_free_transfer(transfer);
                        g_free(buf);
-                       return SIGROK_ERR;
+                       return SR_ERR;
                }
                size = 4096;
        }
@@ -719,12 +715,13 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id)
        gettimeofday(&header->starttime, NULL);
        header->samplerate = cur_samplerate;
        header->protocol_id = PROTO_RAW;
-       header->num_probes = NUM_PROBES;
+       header->num_logic_probes = NUM_PROBES;
+       header->num_analog_probes = 0;
        session_bus(session_device_id, packet);
        g_free(header);
        g_free(packet);
 
-       return SIGROK_OK;
+       return SR_OK;
 }
 
 /* This stops acquisition on ALL devices, ignoring device_index. */
@@ -732,7 +729,7 @@ static void hw_stop_acquisition(int device_index, gpointer session_device_id)
 {
        struct datafeed_packet packet;
 
-       /* QUICK HACK */
+       /* Avoid compiler warnings. */
        device_index = device_index;
 
        packet.type = DF_END;