X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Funi-t-ut32x%2Fapi.c;fp=hardware%2Funi-t-ut32x%2Fapi.c;h=0000000000000000000000000000000000000000;hb=155b680da482cea2381becb73c51cfb838bff31e;hp=81024dc7cc0548afb6d2515d636bc96519c9f4db;hpb=43cd4637285833706f8a404ca027bcf0ee75b9ae;p=libsigrok.git diff --git a/hardware/uni-t-ut32x/api.c b/hardware/uni-t-ut32x/api.c deleted file mode 100644 index 81024dc7..00000000 --- a/hardware/uni-t-ut32x/api.c +++ /dev/null @@ -1,385 +0,0 @@ -/* - * This file is part of the libsigrok project. - * - * Copyright (C) 2013 Bert Vermeulen - * - * 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 - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include "protocol.h" - -#include - -static const int32_t hwcaps[] = { - SR_CONF_THERMOMETER, - SR_CONF_LIMIT_SAMPLES, - SR_CONF_CONTINUOUS, - SR_CONF_DATA_SOURCE, -}; - -static char *channels[] = { - "T1", - "T2", - "T1-T2", -}; - -static const char *data_sources[] = { - "Live", - "Memory", -}; - -SR_PRIV struct sr_dev_driver uni_t_ut32x_driver_info; -static struct sr_dev_driver *di = &uni_t_ut32x_driver_info; - - -static int init(struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - -static GSList *scan(GSList *options) -{ - struct drv_context *drvc; - struct dev_context *devc; - struct sr_dev_inst *sdi; - struct sr_channel *ch; - struct sr_config *src; - GSList *usb_devices, *devices, *l; - int i; - const char *conn; - - drvc = di->priv; - drvc->instances = NULL; - - conn = NULL; - for (l = options; l; l = l->next) { - src = l->data; - switch (src->key) { - case SR_CONF_CONN: - conn = g_variant_get_string(src->data, NULL); - break; - } - } - if (!conn) - return NULL; - - devices = NULL; - if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) { - /* We have a list of sr_usb_dev_inst matching the connection - * string. Wrap them in sr_dev_inst and we're done. */ - for (l = usb_devices; l; l = l->next) { - if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, VENDOR, - MODEL, NULL))) - return NULL; - sdi->driver = di; - sdi->inst_type = SR_INST_USB; - sdi->conn = l->data; - for (i = 0; i < 3; i++) { - if (!(ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE, - channels[i]))) { - sr_dbg("Channel malloc failed."); - return NULL; - } - sdi->channels = g_slist_append(sdi->channels, ch); - } - - if (!(devc = g_try_malloc(sizeof(struct dev_context)))) { - sr_dbg("Device context malloc failed."); - return NULL; - } - sdi->priv = devc; - devc->limit_samples = 0; - devc->data_source = DEFAULT_DATA_SOURCE; - drvc->instances = g_slist_append(drvc->instances, sdi); - devices = g_slist_append(devices, sdi); - } - g_slist_free(usb_devices); - } else - g_slist_free_full(usb_devices, g_free); - - return devices; -} - -static GSList *dev_list(void) -{ - return ((struct drv_context *)(di->priv))->instances; -} - -static int dev_open(struct sr_dev_inst *sdi) -{ - struct drv_context *drvc; - struct sr_usb_dev_inst *usb; - int ret; - - if (!(drvc = di->priv)) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - - usb = sdi->conn; - - if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK) - return SR_ERR; - -/* - * The libusbx 1.0.9 darwin backend is broken: it can report a kernel - * driver being active, but detaching it always returns an error. - */ -#if !defined(__APPLE__) - if (libusb_kernel_driver_active(usb->devhdl, USB_INTERFACE) == 1) { - if ((ret = libusb_detach_kernel_driver(usb->devhdl, USB_INTERFACE)) < 0) { - sr_err("failed to detach kernel driver: %s", - libusb_error_name(ret)); - return SR_ERR; - } - } -#endif - - if ((ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION))) { - sr_err("Failed to set configuration: %s.", libusb_error_name(ret)); - return SR_ERR; - } - - if ((ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE))) { - sr_err("Failed to claim interface: %s.", libusb_error_name(ret)); - return SR_ERR; - } - sdi->status = SR_ST_ACTIVE; - - return ret; -} - -static int dev_close(struct sr_dev_inst *sdi) -{ - struct sr_usb_dev_inst *usb; - - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - - usb = sdi->conn; - if (!usb->devhdl) - /* Nothing to do. */ - return SR_OK; - - libusb_release_interface(usb->devhdl, USB_INTERFACE); - libusb_close(usb->devhdl); - usb->devhdl = NULL; - sdi->status = SR_ST_INACTIVE; - - return SR_OK; -} - -static int cleanup(void) -{ - int ret; - struct drv_context *drvc; - - if (!(drvc = di->priv)) - /* Can get called on an unused driver, doesn't matter. */ - return SR_OK; - - - ret = std_dev_clear(di, NULL); - g_free(drvc); - di->priv = NULL; - - return ret; -} - -static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *cg) -{ - struct dev_context *devc; - - (void)cg; - - devc = sdi->priv; - switch (key) { - case SR_CONF_LIMIT_SAMPLES: - *data = g_variant_new_uint64(devc->limit_samples); - break; - case SR_CONF_DATA_SOURCE: - if (devc->data_source == DATA_SOURCE_LIVE) - *data = g_variant_new_string("Live"); - else - *data = g_variant_new_string("Memory"); - break; - default: - return SR_ERR_NA; - } - - return SR_OK; -} - -static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *cg) -{ - struct dev_context *devc; - int ret; - const char *tmp_str; - - (void)cg; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - - devc = sdi->priv; - ret = SR_OK; - switch (key) { - case SR_CONF_LIMIT_SAMPLES: - devc->limit_samples = g_variant_get_uint64(data); - sr_dbg("Setting sample limit to %" PRIu64 ".", - devc->limit_samples); - break; - case SR_CONF_DATA_SOURCE: - tmp_str = g_variant_get_string(data, NULL); - if (!strcmp(tmp_str, "Live")) - devc->data_source = DATA_SOURCE_LIVE; - else if (!strcmp(tmp_str, "Memory")) - devc->data_source = DATA_SOURCE_MEMORY; - else - return SR_ERR; - break; - default: - ret = SR_ERR_NA; - } - - return ret; -} - -static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, - const struct sr_channel_group *cg) -{ - - (void)sdi; - (void)cg; - - switch (key) { - case SR_CONF_DEVICE_OPTIONS: - *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, - hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); - break; - case SR_CONF_DATA_SOURCE: - *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources)); - break; - default: - return SR_ERR_NA; - } - - return SR_OK; -} - -static int dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) -{ - struct drv_context *drvc; - struct dev_context *devc; - struct sr_usb_dev_inst *usb; - int len, ret; - unsigned char cmd[2]; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - drvc = di->priv; - devc = sdi->priv; - usb = sdi->conn; - - devc->cb_data = cb_data; - devc->num_samples = 0; - devc->packet_len = 0; - - /* Configure serial port parameters on USB-UART interface - * chip inside the device (just baudrate 2400 actually). */ - cmd[0] = 0x09; - cmd[1] = 0x60; - ret = libusb_control_transfer(usb->devhdl, 0x21, 0x09, 0x0300, 0x00, - cmd, 2, 5); - if (ret != 2) { - sr_dbg("Failed to configure CH9325: %s", libusb_error_name(ret)); - return SR_ERR; - } - - /* Send header packet to the session bus. */ - std_session_send_df_header(cb_data, LOG_PREFIX); - - if (!(devc->xfer = libusb_alloc_transfer(0))) - return SR_ERR; - - /* Length of payload to follow. */ - cmd[0] = 0x01; - if (devc->data_source == DATA_SOURCE_LIVE) - cmd[1] = CMD_GET_LIVE; - else - cmd[1] = CMD_GET_STORED; - - ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, cmd, 2, &len, 5); - if (ret != 0 || len != 2) { - sr_dbg("Failed to start acquisition: %s", libusb_error_name(ret)); - libusb_free_transfer(devc->xfer); - return SR_ERR; - } - - libusb_fill_bulk_transfer(devc->xfer, usb->devhdl, EP_IN, devc->buf, - 8, uni_t_ut32x_receive_transfer, (void *)sdi, 15); - if (libusb_submit_transfer(devc->xfer) != 0) { - libusb_free_transfer(devc->xfer); - return SR_ERR; - } - - usb_source_add(sdi->session, drvc->sr_ctx, 10, - uni_t_ut32x_handle_events, (void *)sdi); - - return SR_OK; -} - -static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) -{ - - (void)cb_data; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - /* Signal USB transfer handler to clean up and stop. */ - sdi->status = SR_ST_STOPPING; - - return SR_OK; -} - -SR_PRIV struct sr_dev_driver uni_t_ut32x_driver_info = { - .name = "uni-t-ut32x", - .longname = "UNI-T UT32x", - .api_version = 1, - .init = init, - .cleanup = cleanup, - .scan = scan, - .dev_list = dev_list, - .dev_clear = NULL, - .config_get = config_get, - .config_set = config_set, - .config_list = config_list, - .dev_open = dev_open, - .dev_close = dev_close, - .dev_acquisition_start = dev_acquisition_start, - .dev_acquisition_stop = dev_acquisition_stop, - .priv = NULL, -};