X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Frigol-ds%2Fapi.c;h=a20dd6594fa070623aa91a5c7091bbe143c0529f;hb=cf9f4bc5b0bf5ceef6ccfff7bdbf6b4ac2fd7486;hp=04196a46c4c33c728616bd9196e5df7efeef9b51;hpb=51bfe5363a89f7547810ed02868207a6f6be35b5;p=libsigrok.git diff --git a/hardware/rigol-ds/api.c b/hardware/rigol-ds/api.c index 04196a46..a20dd659 100644 --- a/hardware/rigol-ds/api.c +++ b/hardware/rigol-ds/api.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include "libsigrok.h" #include "libsigrok-internal.h" @@ -53,6 +54,7 @@ static const int32_t analog_hwcaps[] = { static const uint64_t timebases[][2] = { /* nanoseconds */ + { 1, 1000000000 }, { 2, 1000000000 }, { 5, 1000000000 }, { 10, 1000000000 }, @@ -90,7 +92,7 @@ static const uint64_t timebases[][2] = { { 100, 1 }, { 200, 1 }, { 500, 1 }, - /* { 1000, 1 }, Confuses other code? */ + { 1000, 1 }, }; static const uint64_t vdivs[][2] = { @@ -161,6 +163,8 @@ static const char *data_sources[] = { #define RIGOL "Rigol Technologies" #define AGILENT "Agilent Technologies" +#define RIGOL_SHORT "Rigol" +#define AGILENT_SHORT "Agilent" static const struct rigol_ds_model supported_models[] = { {RIGOL, "DS1052E", RIGOL_DS1000, PROTOCOL_IEEE488_2, {5, 1000000000}, {50, 1}, {2, 1000}, 2, false, 12}, @@ -221,6 +225,7 @@ static int dev_clear(void) static int set_cfg(const struct sr_dev_inst *sdi, const char *format, ...) { + struct dev_context *devc = sdi->priv; va_list args; int ret; @@ -231,7 +236,14 @@ static int set_cfg(const struct sr_dev_inst *sdi, const char *format, ...) if (ret != SR_OK) return SR_ERR; - return sr_scpi_get_opc(sdi->conn); + if (devc->model->series == RIGOL_DS1000) { + /* The DS1000 series needs this stupid delay, *OPC? doesn't work. */ + sr_spew("delay %dms", 100); + g_usleep(100000); + return SR_OK; + } else { + return sr_scpi_get_opc(sdi->conn); + } } static int init(struct sr_context *sr_ctx) @@ -246,9 +258,10 @@ static int probe_port(const char *resource, const char *serialcomm, GSList **dev struct sr_scpi_dev_inst *scpi; struct sr_scpi_hw_info *hw_info; struct sr_probe *probe; + long n[3]; unsigned int i; const struct rigol_ds_model *model = NULL; - gchar *channel_name; + gchar *channel_name, *vendor, **version; *devices = NULL; @@ -276,8 +289,14 @@ static int probe_port(const char *resource, const char *serialcomm, GSList **dev } } + if (!strcmp(hw_info->manufacturer, RIGOL)) + vendor = RIGOL_SHORT; + else if (!strcmp(hw_info->manufacturer, AGILENT)) + vendor = AGILENT_SHORT; + else + vendor = hw_info->manufacturer; if (!model || !(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, - hw_info->manufacturer, hw_info->model, + vendor, hw_info->model, hw_info->firmware_version))) { sr_scpi_hw_info_free(hw_info); sr_scpi_close(scpi); @@ -285,7 +304,6 @@ static int probe_port(const char *resource, const char *serialcomm, GSList **dev return SR_ERR_NA; } - sr_scpi_hw_info_free(hw_info); sr_scpi_close(scpi); sdi->conn = scpi; @@ -298,6 +316,34 @@ static int probe_port(const char *resource, const char *serialcomm, GSList **dev devc->limit_frames = 0; devc->model = model; + devc->protocol = model->protocol; + + /* DS1000 models with firmware before 0.2.4 used the old + * legacy protocol. */ + if (model->series == RIGOL_DS1000) { + version = g_strsplit(hw_info->firmware_version, ".", 0); + do { + if (!version[0] || !version[1] || !version[2]) + break; + if (version[0][0] == 0 || version[1][0] == 0 || version[2][0] == 0) + break; + for (i = 0; i < 3; i++) { + if (sr_atol(version[i], &n[i]) != SR_OK) + break; + } + if (i != 3) + break; + if (n[0] != 0 || n[1] > 2) + break; + if (n[1] == 2 && n[2] > 3) + break; + sr_dbg("Found DS1000 firmware < 0.2.4, using old protocol."); + devc->protocol = PROTOCOL_LEGACY; + } while(0); + g_strfreev(version); + } + + sr_scpi_hw_info_free(hw_info); for (i = 0; i < model->analog_channels; i++) { if (!(channel_name = g_strdup_printf("CH%d", i + 1))) @@ -435,8 +481,13 @@ static int dev_open(struct sr_dev_inst *sdi) static int dev_close(struct sr_dev_inst *sdi) { struct sr_scpi_dev_inst *scpi; + struct dev_context *devc; scpi = sdi->conn; + devc = sdi->priv; + + if (devc->model->series != RIGOL_VS5000) + set_cfg(sdi, ":KEY:LOCK DISABLE"); if (scpi) { if (sr_scpi_close(scpi) < 0) @@ -502,7 +553,13 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_probe_group *probe_group) { struct dev_context *devc; + struct sr_probe *probe; + const char *tmp_str; uint64_t samplerate; + int analog_channel = -1; + float smallest_diff = 0.0000000001; + int idx = -1; + unsigned i; if (!sdi || !(devc = sdi->priv)) return SR_ERR_ARG; @@ -513,12 +570,23 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, return SR_ERR; } + if (probe_group) { + probe = g_slist_nth_data(probe_group->probes, 0); + if (!probe) + return SR_ERR; + if (probe->type == SR_PROBE_ANALOG) { + if (probe->name[2] < '1' || probe->name[2] > '4') + return SR_ERR; + analog_channel = probe->name[2] - '1'; + } + } + switch (id) { case SR_CONF_NUM_TIMEBASE: *data = g_variant_new_int32(devc->model->num_horizontal_divs); break; case SR_CONF_NUM_VDIV: - *data = g_variant_new_int32(8); + *data = g_variant_new_int32(NUM_VDIV); case SR_CONF_DATA_SOURCE: if (devc->data_source == DATA_SOURCE_LIVE) *data = g_variant_new_string("Live"); @@ -536,6 +604,55 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi, return SR_ERR_NA; } break; + case SR_CONF_TRIGGER_SOURCE: + if (!strcmp(devc->trigger_source, "ACL")) + tmp_str = "AC Line"; + else if (!strcmp(devc->trigger_source, "CHAN1")) + tmp_str = "CH1"; + else if (!strcmp(devc->trigger_source, "CHAN2")) + tmp_str = "CH2"; + else if (!strcmp(devc->trigger_source, "CHAN3")) + tmp_str = "CH3"; + else if (!strcmp(devc->trigger_source, "CHAN4")) + tmp_str = "CH4"; + else + tmp_str = devc->trigger_source; + *data = g_variant_new_string(tmp_str); + break; + case SR_CONF_TIMEBASE: + for (i = 0; i < devc->num_timebases; i++) { + float tb = (float)devc->timebases[i][0] / devc->timebases[i][1]; + float diff = fabs(devc->timebase - tb); + if (diff < smallest_diff) { + smallest_diff = diff; + idx = i; + } + } + if (idx < 0) + return SR_ERR_NA; + *data = g_variant_new("(tt)", devc->timebases[idx][0], + devc->timebases[idx][1]); + break; + case SR_CONF_VDIV: + if (analog_channel < 0) + return SR_ERR_NA; + for (i = 0; i < ARRAY_SIZE(vdivs); i++) { + float vdiv = (float)vdivs[i][0] / vdivs[i][1]; + float diff = fabs(devc->vdiv[analog_channel] - vdiv); + if (diff < smallest_diff) { + smallest_diff = diff; + idx = i; + } + } + if (idx < 0) + return SR_ERR_NA; + *data = g_variant_new("(tt)", vdivs[idx][0], vdivs[idx][1]); + break; + case SR_CONF_COUPLING: + if (analog_channel < 0) + return SR_ERR_NA; + *data = g_variant_new_string(devc->coupling[analog_channel]); + break; default: return SR_ERR_NA; } @@ -552,6 +669,7 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, unsigned int i, j; int ret; const char *tmp_str; + char buffer[16]; if (!(devc = sdi->priv)) return SR_ERR_ARG; @@ -586,14 +704,17 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, /* We have the trigger offset as a percentage of the frame, but * need to express this in seconds. */ t_dbl = -(devc->horiz_triggerpos - 0.5) * devc->timebase * devc->num_timebases; - ret = set_cfg(sdi, ":TIM:OFFS %.6f", t_dbl); + g_ascii_formatd(buffer, sizeof(buffer), "%.6f", t_dbl); + ret = set_cfg(sdi, ":TIM:OFFS %s", buffer); break; case SR_CONF_TIMEBASE: g_variant_get(data, "(tt)", &p, &q); for (i = 0; i < devc->num_timebases; i++) { if (devc->timebases[i][0] == p && devc->timebases[i][1] == q) { devc->timebase = (float)p / q; - ret = set_cfg(sdi, ":TIM:SCAL %.9f", devc->timebase); + g_ascii_formatd(buffer, sizeof(buffer), "%.9f", + devc->timebase); + ret = set_cfg(sdi, ":TIM:SCAL %s", buffer); break; } } @@ -637,8 +758,10 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, if (vdivs[j][0] != p || vdivs[j][1] != q) continue; devc->vdiv[i] = (float)p / q; - return set_cfg(sdi, ":CHAN%d:SCAL %.3f", i + 1, - devc->vdiv[i]); + g_ascii_formatd(buffer, sizeof(buffer), "%.3f", + devc->vdiv[i]); + return set_cfg(sdi, ":CHAN%d:SCAL %s", i + 1, + buffer); } return SR_ERR_ARG; } @@ -807,6 +930,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) struct sr_scpi_dev_inst *scpi; struct dev_context *devc; struct sr_probe *probe; + struct sr_datafeed_packet packet; GSList *l; if (sdi->status != SR_ST_ACTIVE) @@ -908,6 +1032,10 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) } } + /* Start of first frame. */ + packet.type = SR_DF_FRAME_BEGIN; + sr_session_send(cb_data, &packet); + return SR_OK; }