* Copyright (C) 2010-2012 Håvard Espeland <gus@ping.uio.no>,
* Copyright (C) 2010 Martin Stensgård <mastensg@ping.uio.no>
* Copyright (C) 2010 Carl Henrik Lunde <chlunde@ping.uio.no>
+ * Copyright (C) 2020 Gerhard Sittig <gerhard.sittig@gmx.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
static void clear_helper(struct dev_context *devc)
{
- ftdi_deinit(&devc->ftdic);
+ (void)sigma_force_close(devc);
}
static int dev_clear(const struct sr_dev_driver *di)
devc->id.serno = serno_num;
devc->id.prefix = serno_pre;
devc->id.type = dev_type;
- devc->samplerate = samplerates[0];
sr_sw_limits_init(&devc->cfg_limits);
- devc->firmware_idx = SIGMA_FW_NONE;
devc->capture_ratio = 50;
devc->use_triggers = 0;
+
+ /* TODO Retrieve some of this state from hardware? */
+ devc->firmware_idx = SIGMA_FW_NONE;
+ devc->samplerate = sigma_get_samplerate(sdi);
}
libusb_free_device_list(devlist, 1);
g_slist_free_full(conn_devices, (GDestroyNotify)sr_usb_dev_inst_free);
static int dev_open(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
- long vid, pid;
- const char *serno;
- int ret;
devc = sdi->priv;
sr_err("OMEGA support is not implemented yet.");
return SR_ERR_NA;
}
- vid = devc->id.vid;
- pid = devc->id.pid;
- serno = sdi->serial_num;
-
- ret = ftdi_init(&devc->ftdic);
- if (ret < 0) {
- sr_err("Cannot initialize FTDI context (%d): %s.",
- ret, ftdi_get_error_string(&devc->ftdic));
- return SR_ERR_IO;
- }
- ret = ftdi_usb_open_desc_index(&devc->ftdic, vid, pid, NULL, serno, 0);
- if (ret < 0) {
- sr_err("Cannot open device (%d): %s.",
- ret, ftdi_get_error_string(&devc->ftdic));
- return SR_ERR_IO;
- }
- return SR_OK;
+ return sigma_force_open(sdi);
}
static int dev_close(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
- int ret;
devc = sdi->priv;
- ret = ftdi_usb_close(&devc->ftdic);
- ftdi_deinit(&devc->ftdic);
-
- return (ret == 0) ? SR_OK : SR_ERR;
+ return sigma_force_close(devc);
}
static int config_get(uint32_t key, GVariant **data,
return STD_CONFIG_LIST(key, data, sdi, cg,
scanopts, drvopts, devopts);
case SR_CONF_SAMPLERATE:
- *data = std_gvar_samplerates(samplerates, samplerates_count);
+ *data = sigma_get_samplerates_list();
break;
#if ASIX_SIGMA_WITH_TRIGGER
case SR_CONF_TRIGGER_MATCH:
if (ret != SR_OK)
return ret;
- if (sigma_convert_trigger(sdi) != SR_OK) {
- sr_err("Failed to configure triggers.");
- return SR_ERR;
+ ret = sigma_convert_trigger(sdi);
+ if (ret != SR_OK) {
+ sr_err("Could not configure triggers.");
+ return ret;
}
/* Enter trigger programming mode. */
- sigma_set_register(devc, WRITE_TRIGGER_SELECT2, 0x20);
+ ret = sigma_set_register(devc, WRITE_TRIGGER_SELECT2, 0x20);
+ if (ret != SR_OK)
+ return ret;
triggerselect = 0;
if (devc->samplerate >= SR_MHZ(100)) {
/* 100 and 200 MHz mode. */
- sigma_set_register(devc, WRITE_TRIGGER_SELECT2, 0x81);
+ ret = sigma_set_register(devc, WRITE_TRIGGER_SELECT2, 0x81);
+ if (ret != SR_OK)
+ return ret;
/* Find which pin to trigger on from mask. */
for (triggerpin = 0; triggerpin < 8; triggerpin++) {
} else if (devc->samplerate <= SR_MHZ(50)) {
/* All other modes. */
- sigma_build_basic_trigger(devc, &lut);
+ ret = sigma_build_basic_trigger(devc, &lut);
+ if (ret != SR_OK)
+ return ret;
- sigma_write_trigger_lut(devc, &lut);
+ ret = sigma_write_trigger_lut(devc, &lut);
+ if (ret != SR_OK)
+ return ret;
triggerselect = TRGSEL2_LEDSEL1 | TRGSEL2_LEDSEL0;
}
/* Setup trigger in and out pins to default values. */
- memset(&triggerinout_conf, 0, sizeof(struct triggerinout));
+ memset(&triggerinout_conf, 0, sizeof(triggerinout_conf));
triggerinout_conf.trgout_bytrigger = 1;
triggerinout_conf.trgout_enable = 1;
/* TODO
regval |= TRGOPT_TRGOEN;
write_u8_inc(&wrptr, regval);
count = wrptr - trgconf_bytes;
- sigma_write_register(devc, WRITE_TRIGGER_OPTION, trgconf_bytes, count);
+ ret = sigma_write_register(devc, WRITE_TRIGGER_OPTION,
+ trgconf_bytes, count);
+ if (ret != SR_OK)
+ return ret;
/* Leave trigger programming mode. */
- sigma_set_register(devc, WRITE_TRIGGER_SELECT2, triggerselect);
+ ret = sigma_set_register(devc, WRITE_TRIGGER_SELECT2, triggerselect);
+ if (ret != SR_OK)
+ return ret;
/* Set clock select register. */
clockselect.async = 0;
write_u8_inc(&wrptr, clockselect.fraction - 1);
write_u16be_inc(&wrptr, clockselect.disabled_channels);
count = wrptr - clock_bytes;
- sigma_write_register(devc, WRITE_CLOCK_SELECT, clock_bytes, count);
+ ret = sigma_write_register(devc, WRITE_CLOCK_SELECT, clock_bytes, count);
+ if (ret != SR_OK)
+ return ret;
/* Setup maximum post trigger time. */
- sigma_set_register(devc, WRITE_POST_TRIGGER,
+ ret = sigma_set_register(devc, WRITE_POST_TRIGGER,
(devc->capture_ratio * 255) / 100);
+ if (ret != SR_OK)
+ return ret;
/* Start acqusition. */
regval = WMR_TRGRES | WMR_SDRAMWRITEEN;
#if ASIX_SIGMA_WITH_TRIGGER
regval |= WMR_TRGEN;
#endif
- sigma_set_register(devc, WRITE_MODE, regval);
+ ret = sigma_set_register(devc, WRITE_MODE, regval);
+ if (ret != SR_OK)
+ return ret;
- std_session_send_df_header(sdi);
+ ret = std_session_send_df_header(sdi);
+ if (ret != SR_OK)
+ return ret;
/* Add capture source. */
- sr_session_source_add(sdi->session, -1, 0, 10,
+ ret = sr_session_source_add(sdi->session, -1, 0, 10,
sigma_receive_data, (void *)sdi);
+ if (ret != SR_OK)
+ return ret;
devc->state.state = SIGMA_CAPTURE;
devc->state.state = SIGMA_STOPPING;
} else {
devc->state.state = SIGMA_IDLE;
- sr_session_source_remove(sdi->session, -1);
+ (void)sr_session_source_remove(sdi->session, -1);
}
return SR_OK;
projects / libsigrok.git / blobdiff