*/
/*
- * ASIX SIGMA Logic Analyzer Driver
+ * ASIX SIGMA/SIGMA2 logic analyzer driver
*/
#include <glib.h>
#include <glib/gstdio.h>
#include <ftdi.h>
#include <string.h>
-#include "sigrok.h"
-#include "sigrok-internal.h"
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
#include "asix-sigma.h"
#define USB_VENDOR 0xa600
static GSList *dev_insts = NULL;
-static uint64_t supported_samplerates[] = {
+static const uint64_t supported_samplerates[] = {
SR_KHZ(200),
SR_KHZ(250),
SR_KHZ(500),
NULL,
};
-static struct sr_samplerates samplerates = {
+static const struct sr_samplerates samplerates = {
0,
0,
0,
supported_samplerates,
};
-static int hwcaps[] = {
+static const int hwcaps[] = {
SR_HWCAP_LOGIC_ANALYZER,
SR_HWCAP_SAMPLERATE,
SR_HWCAP_CAPTURE_RATIO,
return SR_OK;
}
-static int hw_init(const char *devinfo)
+static int hw_init(void)
+{
+
+ /* Nothing to do. */
+
+ return SR_OK;
+}
+
+static int hw_scan(void)
{
struct sr_dev_inst *sdi;
struct context *ctx;
char serial_txt[10];
uint32_t serial;
- /* Avoid compiler warnings. */
- (void)devinfo;
-
if (!(ctx = g_try_malloc(sizeof(struct context)))) {
sr_err("sigma: %s: ctx malloc failed", __func__);
return SR_ERR_MALLOC;
/* Look for SIGMAs. */
if (ftdi_usb_find_all(&ctx->ftdic, &devlist,
- USB_VENDOR, USB_PRODUCT) <= 0)
+ USB_VENDOR, USB_PRODUCT) <= 0)
goto free;
/* Make sure it's a version 1 or 2 SIGMA. */
ftdi_usb_get_strings(&ctx->ftdic, devlist->dev, NULL, 0, NULL, 0,
- serial_txt, sizeof(serial_txt));
+ serial_txt, sizeof(serial_txt));
sscanf(serial_txt, "%x", &serial);
- if (serial < 0xa6010000 || serial > 0xa602ffff ) {
+ if (serial < 0xa6010000 || serial > 0xa602ffff) {
sr_err("sigma: Only SIGMA and SIGMA2 are supported "
- "in this version of Sigrok.");
+ "in this version of sigrok.");
goto free;
}
* The Sigma supports complex triggers using boolean expressions, but this
* has not been implemented yet.
*/
-static int configure_probes(struct sr_dev_inst *sdi, GSList *probes)
+static int configure_probes(struct sr_dev_inst *sdi, const GSList *probes)
{
struct context *ctx = sdi->priv;
- struct sr_probe *probe;
- GSList *l;
+ const struct sr_probe *probe;
+ const GSList *l;
int trigger_set = 0;
int probebit;
return ret;
}
-static void *hw_dev_info_get(int dev_index, int dev_info_id)
+static const void *hw_dev_info_get(int dev_index, int dev_info_id)
{
struct sr_dev_inst *sdi;
struct context *ctx;
- void *info = NULL;
+ const void *info = NULL;
if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) {
sr_err("sigma: %s: sdi was NULL", __func__);
return SR_ST_NOT_FOUND;
}
-static int *hw_hwcap_get_all(void)
+static const int *hw_hwcap_get_all(void)
{
return hwcaps;
}
-static int hw_dev_config_set(int dev_index, int hwcap, void *value)
+static int hw_dev_config_set(int dev_index, int hwcap, const void *value)
{
struct sr_dev_inst *sdi;
struct context *ctx;
ctx = sdi->priv;
if (hwcap == SR_HWCAP_SAMPLERATE) {
- ret = set_samplerate(sdi, *(uint64_t *)value);
+ ret = set_samplerate(sdi, *(const uint64_t *)value);
} else if (hwcap == SR_HWCAP_PROBECONFIG) {
ret = configure_probes(sdi, value);
} else if (hwcap == SR_HWCAP_LIMIT_MSEC) {
- ctx->limit_msec = *(uint64_t *)value;
+ ctx->limit_msec = *(const uint64_t *)value;
if (ctx->limit_msec > 0)
ret = SR_OK;
else
ret = SR_ERR;
} else if (hwcap == SR_HWCAP_CAPTURE_RATIO) {
- ctx->capture_ratio = *(uint64_t *)value;
+ ctx->capture_ratio = *(const uint64_t *)value;
if (ctx->capture_ratio < 0 || ctx->capture_ratio > 100)
ret = SR_ERR;
else
struct context *ctx;
struct sr_datafeed_packet *packet;
struct sr_datafeed_header *header;
+ struct sr_datafeed_meta_logic meta;
struct clockselect_50 clockselect;
int frac, triggerpin, ret;
uint8_t triggerselect;
/* Setup maximum post trigger time. */
sigma_set_register(WRITE_POST_TRIGGER,
- (ctx->capture_ratio * 255) / 100, ctx);
+ (ctx->capture_ratio * 255) / 100, ctx);
/* Start acqusition. */
gettimeofday(&ctx->start_tv, 0);
return SR_ERR_MALLOC;
}
- /* Add capture source. */
- sr_source_add(0, G_IO_IN, 10, receive_data, sdi);
-
/* Send header packet to the session bus. */
packet->type = SR_DF_HEADER;
packet->payload = header;
header->feed_version = 1;
gettimeofday(&header->starttime, NULL);
- header->samplerate = ctx->cur_samplerate;
- header->num_logic_probes = ctx->num_probes;
sr_session_send(ctx->session_dev_id, packet);
+
+ /* Send metadata about the SR_DF_LOGIC packets to come. */
+ packet->type = SR_DF_META_LOGIC;
+ packet->payload = &meta;
+ meta.samplerate = ctx->cur_samplerate;
+ meta.num_probes = ctx->num_probes;
+ sr_session_send(ctx->session_dev_id, packet);
+
+ /* Add capture source. */
+ sr_source_add(0, G_IO_IN, 10, receive_data, sdi);
+
g_free(header);
g_free(packet);
SR_PRIV struct sr_dev_driver asix_sigma_driver_info = {
.name = "asix-sigma",
- .longname = "ASIX SIGMA",
+ .longname = "ASIX SIGMA/SIGMA2",
.api_version = 1,
.init = hw_init,
.cleanup = hw_cleanup,
+ .scan = hw_scan,
.dev_open = hw_dev_open,
.dev_close = hw_dev_close,
.dev_info_get = hw_dev_info_get,