X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fpipistrello-ols%2Fapi.c;h=7dd94f8c355dc5dfd418972e95aab27ef76914c4;hb=f1ba6b4b2c9a8ecf90bb31efb218752aa7e49d1a;hp=8a1fa5dca59a813ec547d432eb9055656fe931be;hpb=acc885c7553d12ce18d45fc603ebf7d0c188db09;p=libsigrok.git diff --git a/src/hardware/pipistrello-ols/api.c b/src/hardware/pipistrello-ols/api.c index 8a1fa5dc..7dd94f8c 100644 --- a/src/hardware/pipistrello-ols/api.c +++ b/src/hardware/pipistrello-ols/api.c @@ -17,18 +17,19 @@ * along with this program. If not, see . */ +#include #include "protocol.h" -static const int32_t hwcaps[] = { +static const uint32_t devopts[] = { SR_CONF_LOGIC_ANALYZER, - SR_CONF_SAMPLERATE, - SR_CONF_TRIGGER_MATCH, - SR_CONF_CAPTURE_RATIO, - SR_CONF_LIMIT_SAMPLES, - SR_CONF_PATTERN_MODE, - SR_CONF_EXTERNAL_CLOCK, - SR_CONF_SWAP, - SR_CONF_RLE, + SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, + SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, + SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, + SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, + SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, + SR_CONF_EXTERNAL_CLOCK | SR_CONF_GET | SR_CONF_SET, + SR_CONF_SWAP | SR_CONF_SET, + SR_CONF_RLE | SR_CONF_GET | SR_CONF_SET, }; static const int32_t trigger_matches[] = { @@ -61,11 +62,10 @@ static const char *patterns[] = { }; /* Channels are numbered 0-31 (on the PCB silkscreen). */ -SR_PRIV const char *p_ols_channel_names[NUM_CHANNELS + 1] = { +SR_PRIV const char *p_ols_channel_names[] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31", - NULL, }; /* Default supported samplerates, can be overridden by device metadata. */ @@ -75,18 +75,9 @@ static const uint64_t samplerates[] = { SR_HZ(1), }; -SR_PRIV struct sr_dev_driver p_ols_driver_info; -static struct sr_dev_driver *di = &p_ols_driver_info; - -static int init(struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - -static GSList *scan(GSList *options) +static GSList *scan(struct sr_dev_driver *di, GSList *options) { struct sr_dev_inst *sdi; - struct drv_context *drvc; struct dev_context *devc; GSList *devices; int ret, i; @@ -95,15 +86,10 @@ static GSList *scan(GSList *options) (void)options; - drvc = di->priv; - devices = NULL; /* Allocate memory for our private device context. */ - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { - sr_err("Device context malloc failed."); - goto err_free_nothing; - } + devc = g_malloc0(sizeof(struct dev_context)); /* Device-specific settings */ devc->max_samplebytes = devc->max_samplerate = devc->protocol_version = 0; @@ -115,10 +101,7 @@ static GSList *scan(GSList *options) devc->flag_reg = 0; /* Allocate memory for the incoming ftdi data. */ - if (!(devc->ftdi_buf = g_try_malloc0(FTDI_BUF_SIZE))) { - sr_err("ftdi_buf malloc failed."); - goto err_free_devc; - } + devc->ftdi_buf = g_malloc0(FTDI_BUF_SIZE); /* Allocate memory for the FTDI context (ftdic) and initialize it. */ if (!(devc->ftdic = ftdi_new())) { @@ -130,7 +113,7 @@ static GSList *scan(GSList *options) if (p_ols_open(devc) != SR_OK) { goto err_free_ftdic; } - + /* The discovery procedure is like this: first send the Reset * command (0x00) 5 times, since the device could be anywhere * in a 5-byte command. Then send the ID command (0x02). @@ -185,17 +168,15 @@ static GSList *scan(GSList *options) /* Parse the metadata. */ sdi = p_ols_get_metadata((uint8_t *)buf, bytes_read, devc); - sdi->index = 0; /* Configure samplerate and divider. */ if (p_ols_set_samplerate(sdi, DEFAULT_SAMPLERATE) != SR_OK) sr_dbg("Failed to set default samplerate (%"PRIu64").", DEFAULT_SAMPLERATE); - drvc->instances = g_slist_append(drvc->instances, sdi); devices = g_slist_append(devices, sdi); - return devices; + return std_scan_complete(di, devices); err_close_ftdic: p_ols_close(devc); @@ -203,18 +184,11 @@ err_free_ftdic: ftdi_free(devc->ftdic); /* NOT free() or g_free()! */ err_free_ftdi_buf: g_free(devc->ftdi_buf); -err_free_devc: g_free(devc); -err_free_nothing: return NULL; } -static GSList *dev_list(void) -{ - return ((struct drv_context *)(di->priv))->instances; -} - static void clear_helper(void *priv) { struct dev_context *devc; @@ -225,18 +199,12 @@ static void clear_helper(void *priv) g_free(devc->ftdi_buf); } -static int dev_clear(void) +static int dev_clear(const struct sr_dev_driver *di) { return std_dev_clear(di, clear_helper); } -static int cleanup(void) -{ - return dev_clear(); -} - - -static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, +static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { struct dev_context *devc; @@ -247,7 +215,7 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, return SR_ERR_ARG; devc = sdi->priv; - switch (id) { + switch (key) { case SR_CONF_SAMPLERATE: *data = g_variant_new_uint64(devc->cur_samplerate); break; @@ -278,7 +246,7 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, return SR_OK; } -static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, +static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { struct dev_context *devc; @@ -289,12 +257,9 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, (void)cg; - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - devc = sdi->priv; - switch (id) { + switch (key) { case SR_CONF_SAMPLERATE: tmp_u64 = g_variant_get_uint64(data); if (tmp_u64 < samplerates[0] || tmp_u64 > samplerates[1]) @@ -310,10 +275,9 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, break; case SR_CONF_CAPTURE_RATIO: devc->capture_ratio = g_variant_get_uint64(data); - if (devc->capture_ratio < 0 || devc->capture_ratio > 100) { - devc->capture_ratio = 0; + if (devc->capture_ratio < 0 || devc->capture_ratio > 100) ret = SR_ERR; - } else + else ret = SR_OK; break; case SR_CONF_EXTERNAL_CLOCK: @@ -375,7 +339,7 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, return ret; } -static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, +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; @@ -387,8 +351,8 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, switch (key) { case SR_CONF_DEVICE_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); + *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, + devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); break; case SR_CONF_SAMPLERATE: g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); @@ -447,35 +411,18 @@ static int dev_open(struct sr_dev_inst *sdi) devc = sdi->priv; - if (p_ols_open(devc) != SR_OK) { - return SR_ERR; - } else { - sdi->status = SR_ST_ACTIVE; - return SR_OK; - } + return p_ols_open(devc); } static int dev_close(struct sr_dev_inst *sdi) { - int ret; struct dev_context *devc; - ret = SR_OK; devc = sdi->priv; - if (sdi->status == SR_ST_ACTIVE) { - sr_dbg("Status ACTIVE, closing device."); - ret = p_ols_close(devc); - } else { - sr_spew("Status not ACTIVE, nothing to do."); - } - - sdi->status = SR_ST_INACTIVE; - - return ret; + return p_ols_close(devc); } - static int set_trigger(const struct sr_dev_inst *sdi, int stage) { struct dev_context *devc; @@ -519,8 +466,36 @@ static int set_trigger(const struct sr_dev_inst *sdi, int stage) return SR_OK; } -static int dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) +static int disable_trigger(const struct sr_dev_inst *sdi, int stage) +{ + struct dev_context *devc; + uint8_t cmd, arg[4]; + + devc = sdi->priv; + + cmd = CMD_SET_TRIGGER_MASK + stage * 4; + arg[0] = arg[1] = arg[2] = arg[3] = 0x00; + if (write_longcommand(devc, cmd, arg) != SR_OK) + return SR_ERR; + + cmd = CMD_SET_TRIGGER_VALUE + stage * 4; + if (write_longcommand(devc, cmd, arg) != SR_OK) + return SR_ERR; + + cmd = CMD_SET_TRIGGER_CONFIG + stage * 4; + arg[2] = 0x03; + if (write_longcommand(devc, cmd, arg) != SR_OK) + return SR_ERR; + + cmd = CMD_SET_TRIGGER_EDGE + stage * 4; + arg[2] = 0x00; + if (write_longcommand(devc, cmd, arg) != SR_OK) + return SR_ERR; + + return SR_OK; +} + +static int dev_acquisition_start(const struct sr_dev_inst *sdi) { struct dev_context *devc; uint32_t samplecount, readcount, delaycount; @@ -529,9 +504,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, int num_pols_changrp, samplespercount; int ret, i; - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - devc = sdi->priv; pols_channel_mask(sdi); @@ -560,7 +532,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, * buffer. */ sr_dbg("max_samples = %d", devc->max_samples); - sr_dbg("limit_samples = %d", devc->limit_samples); + sr_dbg("limit_samples = %" PRIu64, devc->limit_samples); samplecount = MIN(devc->max_samples, devc->limit_samples); sr_dbg("Samplecount = %d", samplecount); @@ -583,13 +555,21 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, sr_err("Failed to configure channels."); return SR_ERR; } + if (devc->num_stages > 0) { delaycount = readcount * (1 - devc->capture_ratio / 100.0); devc->trigger_at = (readcount - delaycount) * samplespercount - devc->num_stages; - for (i = 0; i <= devc->num_stages; i++) { - sr_dbg("Setting p-ols stage %d trigger.", i); - if ((ret = set_trigger(sdi, i)) != SR_OK) - return ret; + for (i = 0; i < NUM_TRIGGER_STAGES; i++) { + if (i <= devc->num_stages) { + sr_dbg("Setting p-ols stage %d trigger.", i); + if ((ret = set_trigger(sdi, i)) != SR_OK) + return ret; + } + else { + sr_dbg("Disabling p-ols stage %d trigger.", i); + if ((ret = disable_trigger(sdi, i)) != SR_OK) + return ret; + } } } else { /* No triggers configured, force trigger on first stage. */ @@ -640,8 +620,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, sr_dbg("flag_reg = %x", devc->flag_reg); /* - * In demux mode the OLS is processing two 8-bit or 16-bit samples - * in parallel and for this to work the lower two bits of the four + * In demux mode the OLS is processing two 8-bit or 16-bit samples + * in parallel and for this to work the lower two bits of the four * "channel_disable" bits must be replicated to the upper two bits. */ flag_tmp = devc->flag_reg; @@ -665,38 +645,30 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, devc->cnt_bytes = devc->cnt_samples = devc->cnt_samples_rle = 0; memset(devc->sample, 0, 4); - /* Send header packet to the session bus. */ - std_session_send_df_header(cb_data, LOG_PREFIX); + std_session_send_df_header(sdi); /* Hook up a dummy handler to receive data from the device. */ - sr_session_source_add(sdi->session, 0, G_IO_IN, 10, p_ols_receive_data, - cb_data); + sr_session_source_add(sdi->session, -1, 0, 10, p_ols_receive_data, + (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; - struct sr_datafeed_packet packet; devc = sdi->priv; - sr_dbg("Stopping acquisition."); write_shortcommand(devc, CMD_RESET); write_shortcommand(devc, CMD_RESET); write_shortcommand(devc, CMD_RESET); write_shortcommand(devc, CMD_RESET); write_shortcommand(devc, CMD_RESET); - sr_session_source_remove(sdi->session, 0); + sr_session_source_remove(sdi->session, -1); - /* Send end packet to the session bus. */ - sr_dbg("Sending SR_DF_END."); - packet.type = SR_DF_END; - sr_session_send(cb_data, &packet); + std_session_send_df_end(sdi); return SR_OK; } @@ -705,10 +677,10 @@ SR_PRIV struct sr_dev_driver p_ols_driver_info = { .name = "p-ols", .longname = "Pipistrello OLS", .api_version = 1, - .init = init, - .cleanup = cleanup, + .init = std_init, + .cleanup = std_cleanup, .scan = scan, - .dev_list = dev_list, + .dev_list = std_dev_list, .dev_clear = dev_clear, .config_get = config_get, .config_set = config_set, @@ -717,5 +689,6 @@ SR_PRIV struct sr_dev_driver p_ols_driver_info = { .dev_close = dev_close, .dev_acquisition_start = dev_acquisition_start, .dev_acquisition_stop = dev_acquisition_stop, - .priv = NULL, + .context = NULL, }; +SR_REGISTER_DEV_DRIVER(p_ols_driver_info);