X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fbeaglelogic%2Fapi.c;h=8baf6523e9adcd383712ab172d4072d43188c1d3;hb=695dc859c15ba4190f5c1aa2e1a6e2dc6a6e5845;hp=b5850314eab9b5b0a0476210b136fee5fba5aad1;hpb=584560f142e1b17b9f4ef9069bd3724f2f77e750;p=libsigrok.git diff --git a/src/hardware/beaglelogic/api.c b/src/hardware/beaglelogic/api.c index b5850314..8baf6523 100644 --- a/src/hardware/beaglelogic/api.c +++ b/src/hardware/beaglelogic/api.c @@ -17,22 +17,26 @@ * along with this program. If not, see . */ +#include #include "protocol.h" #include "beaglelogic.h" SR_PRIV struct sr_dev_driver beaglelogic_driver_info; -static struct sr_dev_driver *di = &beaglelogic_driver_info; -/* Hardware capabiities */ -static const uint32_t hwcaps[] = { - SR_CONF_LOGIC_ANALYZER, - SR_CONF_SAMPLERATE, - SR_CONF_TRIGGER_MATCH, +/* Scan options */ +static const uint32_t scanopts[] = { + SR_CONF_NUM_LOGIC_CHANNELS, +}; - SR_CONF_LIMIT_SAMPLES, +/* Hardware capabilities */ +static const uint32_t devopts[] = { + SR_CONF_LOGIC_ANALYZER, SR_CONF_CONTINUOUS, - - SR_CONF_NUM_LOGIC_CHANNELS, + SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, + SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET, + SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, + SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, + SR_CONF_NUM_LOGIC_CHANNELS | SR_CONF_GET, }; /* Trigger matching capabilities */ @@ -44,30 +48,28 @@ static const int32_t soft_trigger_matches[] = { SR_TRIGGER_EDGE, }; -/* Channels are numbered 0-13 */ -SR_PRIV const char *beaglelogic_channel_names[NUM_CHANNELS + 1] = { - "P8_45", "P8_46", "P8_43", "P8_44", "P8_41", "P8_42", "P8_39", "P8_40", - "P8_27", "P8_29", "P8_28", "P8_30", "P8_21", "P8_20", NULL, +SR_PRIV const char *channel_names[] = { + "P8_45", "P8_46", "P8_43", "P8_44", "P8_41", "P8_42", "P8_39", + "P8_40", "P8_27", "P8_29", "P8_28", "P8_30", "P8_21", "P8_20", }; /* Possible sample rates : 10 Hz to 100 MHz = (100 / x) MHz */ static const uint64_t samplerates[] = { - SR_HZ(10), - SR_MHZ(100), - SR_HZ(1), + SR_HZ(10), + SR_MHZ(100), + SR_HZ(1), }; -static int init(struct sr_context *sr_ctx) +static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) { return std_init(sr_ctx, di, LOG_PREFIX); } -static struct dev_context * beaglelogic_devc_alloc(void) +static struct dev_context *beaglelogic_devc_alloc(void) { struct dev_context *devc; - /* Allocate zeroed structure */ - devc = g_try_malloc0(sizeof(*devc)); + devc = g_malloc0(sizeof(struct dev_context)); /* Default non-zero values (if any) */ devc->fd = -1; @@ -76,25 +78,27 @@ static struct dev_context * beaglelogic_devc_alloc(void) return devc; } -static GSList *scan(GSList *options) +static GSList *scan(struct sr_dev_driver *di, GSList *options) { struct drv_context *drvc; GSList *devices, *l; struct sr_config *src; struct sr_dev_inst *sdi; struct dev_context *devc; - struct sr_channel *ch; int i, maxch; devices = NULL; - drvc = di->priv; + drvc = di->context; drvc->instances = NULL; /* Probe for /dev/beaglelogic */ if (!g_file_test(BEAGLELOGIC_DEV_NODE, G_FILE_TEST_EXISTS)) return NULL; - sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, NULL, "BeagleLogic", "1.0"); + sdi = g_malloc0(sizeof(struct sr_dev_inst)); + sdi->status = SR_ST_INACTIVE; + sdi->model = g_strdup("BeagleLogic"); + sdi->version = g_strdup("1.0"); sdi->driver = di; /* Unless explicitly specified, keep max channels to 8 only */ @@ -130,12 +134,9 @@ static GSList *scan(GSList *options) sr_info("BeagleLogic device found at "BEAGLELOGIC_DEV_NODE); /* Fill the channels */ - for (i = 0; i < maxch; i++) { - if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE, - beaglelogic_channel_names[i]))) - return NULL; - sdi->channels = g_slist_append(sdi->channels, ch); - } + for (i = 0; i < maxch; i++) + sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, + channel_names[i]); sdi->priv = devc; drvc->instances = g_slist_append(drvc->instances, sdi); @@ -144,12 +145,12 @@ static GSList *scan(GSList *options) return devices; } -static GSList *dev_list(void) +static GSList *dev_list(const struct sr_dev_driver *di) { - return ((struct drv_context *)(di->priv))->instances; + return ((struct drv_context *)(di->context))->instances; } -static int dev_clear(void) +static int dev_clear(const struct sr_dev_driver *di) { return std_dev_clear(di, NULL); } @@ -165,6 +166,7 @@ static int dev_open(struct sr_dev_inst *sdi) /* Set fd and local attributes */ devc->pollfd.fd = devc->fd; devc->pollfd.events = G_IO_IN; + devc->pollfd.revents = 0; /* Get the default attributes */ beaglelogic_get_samplerate(devc); @@ -198,14 +200,14 @@ static int dev_close(struct sr_dev_inst *sdi) return SR_OK; } -static int cleanup(void) +static int cleanup(const struct sr_dev_driver *di) { struct drv_context *drvc; struct sr_dev_inst *sdi; GSList *l; /* unused driver */ - if (!(drvc = di->priv)) + if (!(drvc = di->context)) return SR_OK; /* Clean up the instances */ @@ -218,8 +220,6 @@ static int cleanup(void) g_slist_free(drvc->instances); drvc->instances = NULL; - di->priv = NULL; - return SR_OK; } @@ -227,21 +227,22 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s const struct sr_channel_group *cg) { struct dev_context *devc = sdi->priv; + (void)cg; switch (key) { case SR_CONF_LIMIT_SAMPLES: *data = g_variant_new_uint64(devc->limit_samples); break; - case SR_CONF_SAMPLERATE: *data = g_variant_new_uint64(devc->cur_samplerate); break; - + case SR_CONF_CAPTURE_RATIO: + *data = g_variant_new_uint64(devc->capture_ratio); + break; case SR_CONF_NUM_LOGIC_CHANNELS: *data = g_variant_new_uint32(g_slist_length(sdi->channels)); break; - default: return SR_ERR_NA; } @@ -254,6 +255,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd { struct dev_context *devc = sdi->priv; uint64_t tmp_u64; + (void)cg; if (sdi->status != SR_ST_ACTIVE) @@ -263,7 +265,6 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd case SR_CONF_SAMPLERATE: devc->cur_samplerate = g_variant_get_uint64(data); return beaglelogic_set_samplerate(devc); - case SR_CONF_LIMIT_SAMPLES: tmp_u64 = g_variant_get_uint64(data); devc->limit_samples = tmp_u64; @@ -281,7 +282,11 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd (SAMPLEUNIT_TO_BYTES(devc->sampleunit) * 1000000)); } return beaglelogic_set_triggerflags(devc); - + case SR_CONF_CAPTURE_RATIO: + devc->capture_ratio = g_variant_get_uint64(data); + if (devc->capture_ratio > 100) + return SR_ERR; + return SR_OK; default: return SR_ERR_NA; } @@ -297,14 +302,17 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst * GVariantBuilder gvb; (void)sdi; - (void)data; (void)cg; ret = SR_OK; switch (key) { + case SR_CONF_SCAN_OPTIONS: + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, + scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); + break; case SR_CONF_DEVICE_OPTIONS: *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, - hwcaps, ARRAY_SIZE(hwcaps), sizeof(uint32_t)); + devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); break; case SR_CONF_SAMPLERATE: g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); @@ -314,7 +322,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst * *data = g_variant_builder_end(&gvb); break; case SR_CONF_TRIGGER_MATCH: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, soft_trigger_matches, ARRAY_SIZE(soft_trigger_matches), sizeof(int32_t)); break; @@ -329,19 +337,14 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst * #define BUFUNIT_TIMEOUT_MS(devc) (100 + ((devc->bufunitsize * 1000) / \ (uint32_t)(devc->cur_samplerate))) -static int dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) +static int dev_acquisition_start(const struct sr_dev_inst *sdi) { - (void)cb_data; struct dev_context *devc = sdi->priv; struct sr_trigger *trigger; if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; - /* Save user pointer */ - devc->cb_data = cb_data; - /* Clear capture state */ devc->bytes_read = 0; devc->offset = 0; @@ -353,11 +356,16 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, /* Configure triggers & send header packet */ if ((trigger = sr_session_trigger_get(sdi->session))) { - devc->stl = soft_trigger_logic_new(sdi, trigger); + int pre_trigger_samples = 0; + if (devc->limit_samples > 0) + pre_trigger_samples = devc->capture_ratio * devc->limit_samples/100; + devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples); + if (!devc->stl) + return SR_ERR_MALLOC; devc->trigger_fired = FALSE; } else devc->trigger_fired = TRUE; - std_session_send_df_header(cb_data, LOG_PREFIX); + std_session_send_df_header(sdi, LOG_PREFIX); /* Trigger and add poll on file */ beaglelogic_start(devc); @@ -368,12 +376,9 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, return SR_OK; } -static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) +static int dev_acquisition_stop(struct sr_dev_inst *sdi) { struct dev_context *devc = sdi->priv; - struct sr_datafeed_packet pkt; - - (void)cb_data; if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; @@ -386,9 +391,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) /* Remove session source and send EOT packet */ sr_session_source_remove_pollfd(sdi->session, &devc->pollfd); - pkt.type = SR_DF_END; - pkt.payload = NULL; - sr_session_send(sdi, &pkt); + std_session_send_df_end(sdi, LOG_PREFIX); return SR_OK; } @@ -409,5 +412,5 @@ SR_PRIV struct sr_dev_driver beaglelogic_driver_info = { .dev_close = dev_close, .dev_acquisition_start = dev_acquisition_start, .dev_acquisition_stop = dev_acquisition_stop, - .priv = NULL, + .context = NULL, };