X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fkecheng-kc-330b%2Fapi.c;h=fa50dd698d7a56400e6fa890080404052657077c;hb=HEAD;hp=a817191a2a28628fbd64a3642296455bf0e361c5;hpb=a8806f032cb0fe3d86d9c75ed7069d6bdf6c78ea;p=libsigrok.git diff --git a/hardware/kecheng-kc-330b/api.c b/hardware/kecheng-kc-330b/api.c deleted file mode 100644 index a817191a..00000000 --- a/hardware/kecheng-kc-330b/api.c +++ /dev/null @@ -1,315 +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" - -#define USB_CONN "1041.8101" -#define VENDOR "Kecheng" -#define USB_INTERFACE 0 -#define EP_IN 0x80 | 1 -#define EP_OUT 2 - -static const int32_t hwcaps[] = { - SR_CONF_SOUNDLEVELMETER, - SR_CONF_LIMIT_SAMPLES, - SR_CONF_CONTINUOUS, -}; - -SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info; -static struct sr_dev_driver *di = &kecheng_kc_330b_driver_info; - - -static int init(struct sr_context *sr_ctx) -{ - return std_init(sr_ctx, di, LOG_PREFIX); -} - -static int scan_kecheng(struct sr_usb_dev_inst *usb, char **model) -{ - struct drv_context *drvc; - int len, ret; - unsigned char cmd, buf[32]; - - drvc = di->priv; - if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK) - return SR_ERR; - - cmd = CMD_IDENTIFY; - ret = libusb_bulk_transfer(usb->devhdl, EP_OUT, &cmd, 1, &len, 5); - if (ret != 0) { - libusb_close(usb->devhdl); - sr_dbg("Failed to send Identify command: %s", libusb_error_name(ret)); - return SR_ERR; - } - - ret = libusb_bulk_transfer(usb->devhdl, EP_IN, buf, 32, &len, 10); - if (ret != 0) { - libusb_close(usb->devhdl); - sr_dbg("Failed to receive response: %s", libusb_error_name(ret)); - return SR_ERR; - } - - libusb_close(usb->devhdl); - usb->devhdl = NULL; - - if (len < 2 || buf[0] != (CMD_IDENTIFY | 0x80) || buf[1] > 30) { - sr_dbg("Invalid response to Identify command"); - return SR_ERR; - } - - buf[buf[1] + 2] = '\x0'; - *model = g_strndup((const gchar *)buf + 2, 30); - //g_strstrip(*model); - - return SR_OK; -} - -static GSList *scan(GSList *options) -{ - struct drv_context *drvc; - struct dev_context *devc; - struct sr_dev_inst *sdi; - struct sr_probe *probe; - GSList *usb_devices, *devices, *l; - char *model; - - (void)options; - - drvc = di->priv; - drvc->instances = NULL; - - devices = NULL; - if ((usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, USB_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 (scan_kecheng(l->data, &model) != SR_OK) - continue; - if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, VENDOR, - model, NULL))) - return NULL; - g_free(model); - sdi->driver = di; - sdi->inst_type = SR_INST_USB; - sdi->conn = l->data; - if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "SPL"))) - return NULL; - sdi->probes = g_slist_append(sdi->probes, probe); - - if (!(devc = g_try_malloc(sizeof(struct dev_context)))) { - sr_dbg("Device context malloc failed."); - return NULL; - } - sdi->priv = devc; - devc->limit_samples = 0; - - 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) -{ - struct drv_context *drvc; - - drvc = di->priv; - - return drvc->instances; -} - -static int dev_clear(void) -{ - return std_dev_clear(di, NULL); -} - -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; - - 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 = dev_clear(); - g_free(drvc); - di->priv = NULL; - - return ret; -} - -static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi) -{ - struct dev_context *devc; - - devc = sdi->priv; - switch (key) { - case SR_CONF_LIMIT_SAMPLES: - *data = g_variant_new_uint64(devc->limit_samples); - break; - default: - return SR_ERR_NA; - } - - return SR_OK; -} - -static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi) -{ - struct dev_context *devc; - int ret; - - 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; - default: - ret = SR_ERR_NA; - } - - return ret; -} - -static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) -{ - - (void)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)); - break; - default: - return SR_ERR_NA; - } - - return SR_OK; -} - -static int dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) -{ - (void)sdi; - (void)cb_data; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR_DEV_CLOSED; - - /* TODO: configure hardware, reset acquisition state, set up - * callbacks and send header packet. */ - - 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; - - /* TODO: stop acquisition. */ - - return SR_OK; -} - -SR_PRIV struct sr_dev_driver kecheng_kc_330b_driver_info = { - .name = "kecheng-kc-330b", - .longname = "Kecheng KC-330B", - .api_version = 1, - .init = init, - .cleanup = cleanup, - .scan = scan, - .dev_list = dev_list, - .dev_clear = dev_clear, - .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, -};