X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Ftesto%2Fapi.c;h=8e60f6b892fb72e03d4974e31a7a5819767ebe88;hb=dd5c48a6d567a3cac62c4b0058588273bbeea171;hp=8970a9f9b5f34efaefa61c49620ab62c8e6adc53;hpb=5827f61b641cfd326a9cf2ea534eb4f9481a8187;p=libsigrok.git diff --git a/src/hardware/testo/api.c b/src/hardware/testo/api.c index 8970a9f9..8e60f6b8 100644 --- a/src/hardware/testo/api.c +++ b/src/hardware/testo/api.c @@ -17,14 +17,12 @@ * along with this program. If not, see . */ +#include #include #include "protocol.h" #define SERIALCOMM "115200/8n1" - -SR_PRIV struct sr_dev_driver testo_driver_info; -static struct sr_dev_driver *di = &testo_driver_info; -static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data); +static int dev_acquisition_stop(struct sr_dev_inst *sdi); static const uint32_t scanopts[] = { SR_CONF_CONN, @@ -33,21 +31,17 @@ static const uint32_t scanopts[] = { static const uint32_t devopts[] = { SR_CONF_MULTIMETER, SR_CONF_CONTINUOUS, - SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, - SR_CONF_LIMIT_MSEC | SR_CONF_SET, + SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_GET, + SR_CONF_LIMIT_MSEC | SR_CONF_SET | SR_CONF_GET, }; -unsigned char TESTO_x35_REQUEST[] = { 0x12, 0, 0, 0, 1, 1, 0x55, 0xd1, 0xb7 }; -struct testo_model models[] = { +static const uint8_t TESTO_x35_REQUEST[] = { 0x12, 0, 0, 0, 1, 1, 0x55, 0xd1, 0xb7 }; + +static const struct testo_model models[] = { { "435", 9, TESTO_x35_REQUEST }, }; -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 drv_context *drvc; struct dev_context *devc; @@ -58,12 +52,12 @@ static GSList *scan(GSList *options) libusb_device **devlist; struct libusb_device_handle *hdl; GSList *conn_devices, *devices, *l; - int devcnt, ret, i; + int ret, i; const char *str; - char manufacturer[64], product[64]; + char manufacturer[64], product[64], connection_id[64]; devices = NULL; - drvc = di->priv; + drvc = di->context; drvc->instances = NULL; conn_devices = NULL; @@ -91,11 +85,7 @@ static GSList *scan(GSList *options) continue; } - if ((ret = libusb_get_device_descriptor( devlist[i], &des)) != 0) { - sr_warn("Failed to get device descriptor: %s.", - libusb_error_name(ret)); - continue; - } + libusb_get_device_descriptor(devlist[i], &des); if ((ret = libusb_open(devlist[i], &hdl)) < 0) continue; @@ -118,21 +108,24 @@ static GSList *scan(GSList *options) if (strncmp(manufacturer, "testo", 5)) continue; + usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); + /* Hardcode the 435 for now.*/ if (strcmp(product, "testo 435/635/735")) continue; - devcnt = g_slist_length(drvc->instances); - sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE, "Testo", - "435/635/735", NULL); + sdi = g_malloc0(sizeof(struct sr_dev_inst)); + sdi->status = SR_ST_INACTIVE; + sdi->vendor = g_strdup("Testo"); + sdi->model = g_strdup("435/635/735"); sdi->driver = di; sdi->inst_type = SR_INST_USB; sdi->conn = sr_usb_dev_inst_new(libusb_get_bus_number(devlist[i]), libusb_get_device_address(devlist[i]), NULL); + sdi->connection_id = g_strdup(connection_id); devc = g_malloc(sizeof(struct dev_context)); devc->model = &models[0]; - devc->limit_msec = 0; - devc->limit_samples = 0; + sr_sw_limits_init(&devc->sw_limits); sdi->priv = devc; if (testo_probe_channels(sdi) != SR_OK) continue; @@ -145,45 +138,18 @@ static GSList *scan(GSList *options) return devices; } -static GSList *dev_list(void) -{ - return ((struct drv_context *)(di->priv))->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 = di->priv; + struct sr_dev_driver *di = sdi->driver; + struct drv_context *drvc = di->context; struct sr_usb_dev_inst *usb; - libusb_device **devlist; - int ret, i; - - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } + int ret; usb = sdi->conn; - libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); - for (i = 0; devlist[i]; i++) { - if (libusb_get_bus_number(devlist[i]) != usb->bus - || libusb_get_device_address(devlist[i]) != usb->address) - continue; - if ((ret = libusb_open(devlist[i], &usb->devhdl))) { - sr_err("Failed to open device: %s.", libusb_error_name(ret)); - return SR_ERR; - } - break; - } - libusb_free_device_list(devlist, 1); - if (!devlist[i]) { - sr_err("Device not found."); - return SR_ERR; - } + + ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb); + if (ret != SR_OK) + return ret; if (libusb_has_capability(LIBUSB_CAP_SUPPORTS_DETACH_KERNEL_DRIVER)) { if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) { @@ -208,11 +174,6 @@ 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. */ @@ -226,24 +187,10 @@ static int dev_close(struct sr_dev_inst *sdi) return SR_OK; } -static int cleanup(void) -{ - int ret; - struct drv_context *drvc; - - if (!(drvc = di->priv)) - return SR_OK; - - ret = dev_clear(); - g_free(drvc); - di->priv = NULL; - - return ret; -} - 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 = sdi->priv; struct sr_usb_dev_inst *usb; char str[128]; @@ -257,6 +204,9 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s snprintf(str, 128, "%d.%d", usb->bus, usb->address); *data = g_variant_new_string(str); break; + case SR_CONF_LIMIT_MSEC: + case SR_CONF_LIMIT_SAMPLES: + return sr_sw_limits_config_get(&devc->sw_limits, key, data); default: return SR_ERR_NA; } @@ -267,40 +217,14 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s 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; - gint64 now; - int ret; + struct dev_context *devc = sdi->priv; (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_MSEC: - devc->limit_msec = g_variant_get_uint64(data); - now = g_get_monotonic_time() / 1000; - devc->end_time = now + devc->limit_msec; - sr_dbg("Setting time limit to %" PRIu64 "ms.", - devc->limit_msec); - break; - 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; + return sr_sw_limits_config_set(&devc->sw_limits, key, data); } static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, @@ -356,20 +280,20 @@ static void receive_data(struct sr_dev_inst *sdi, unsigned char *data, int len) crc = crc16_mcrf4xx(0xffff, devc->reply, devc->reply_size - 2); if (crc == RL16(&devc->reply[devc->reply_size - 2])) { testo_receive_packet(sdi); - devc->num_samples++; + sr_sw_limits_update_samples_read(&devc->sw_limits, 1); } else { sr_dbg("Packet has invalid CRC."); } devc->reply_size = 0; - if (devc->limit_samples && devc->num_samples >= devc->limit_samples) - dev_acquisition_stop(sdi, devc->cb_data); + if (sr_sw_limits_check(&devc->sw_limits)) + dev_acquisition_stop(sdi); else testo_request_packet(sdi); } -SR_PRIV void receive_transfer(struct libusb_transfer *transfer) +SR_PRIV void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer) { struct dev_context *devc; struct sr_dev_inst *sdi; @@ -383,7 +307,7 @@ SR_PRIV void receive_transfer(struct libusb_transfer *transfer) if (transfer->status == LIBUSB_TRANSFER_NO_DEVICE) { /* USB device was unplugged. */ - dev_acquisition_stop(sdi, devc->cb_data); + dev_acquisition_stop(sdi); } else if (transfer->status == LIBUSB_TRANSFER_COMPLETED) { /* First two bytes in any transfer are FTDI status bytes. */ if (transfer->actual_length > 2) @@ -398,7 +322,7 @@ SR_PRIV void receive_transfer(struct libusb_transfer *transfer) libusb_error_name(ret)); g_free(transfer->buffer); libusb_free_transfer(transfer); - dev_acquisition_stop(sdi, devc->cb_data); + dev_acquisition_stop(sdi); } } else { /* This was the last transfer we're going to receive, so @@ -410,32 +334,27 @@ SR_PRIV void receive_transfer(struct libusb_transfer *transfer) static int handle_events(int fd, int revents, void *cb_data) { + struct sr_dev_driver *di; struct dev_context *devc; - struct drv_context *drvc = di->priv; - struct sr_datafeed_packet packet; + struct drv_context *drvc; struct sr_dev_inst *sdi; struct timeval tv; - gint64 now; (void)fd; (void)revents; sdi = cb_data; devc = sdi->priv; + di = sdi->driver; + drvc = di->context; - if (devc->limit_msec) { - now = g_get_monotonic_time() / 1000; - if (now > devc->end_time) - dev_acquisition_stop(sdi, devc->cb_data); - } + if (sr_sw_limits_check(&devc->sw_limits)) + dev_acquisition_stop(sdi); if (sdi->status == SR_ST_STOPPING) { usb_source_remove(sdi->session, drvc->sr_ctx); - dev_close(sdi); - - packet.type = SR_DF_END; - sr_session_send(sdi, &packet); + std_session_send_df_end(sdi, LOG_PREFIX); } memset(&tv, 0, sizeof(struct timeval)); @@ -445,8 +364,9 @@ static int handle_events(int fd, int revents, void *cb_data) return TRUE; } -static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) +static int dev_acquisition_start(const struct sr_dev_inst *sdi) { + struct sr_dev_driver *di = sdi->driver; struct drv_context *drvc; struct dev_context *devc; struct sr_usb_dev_inst *usb; @@ -454,24 +374,16 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) int ret; unsigned char *buf; - drvc = di->priv; + drvc = di->context; 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; usb = sdi->conn; - devc->cb_data = cb_data; - devc->end_time = 0; - devc->num_samples = 0; devc->reply_size = 0; - /* Send header packet to the session bus. */ - std_session_send_df_header(cb_data, LOG_PREFIX); + std_session_send_df_header(sdi, LOG_PREFIX); usb_source_add(sdi->session, drvc->sr_ctx, 100, handle_events, (void *)sdi); @@ -483,7 +395,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) if (testo_request_packet(sdi) != SR_OK) return SR_ERR; - buf = g_try_malloc(MAX_REPLY_SIZE); + buf = g_malloc(MAX_REPLY_SIZE); transfer = libusb_alloc_transfer(0); libusb_fill_bulk_transfer(transfer, usb->devhdl, EP_IN, buf, MAX_REPLY_SIZE, receive_transfer, (void *)sdi, 100); @@ -495,18 +407,13 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) } devc->reply_size = 0; + sr_sw_limits_acquisition_start(&devc->sw_limits); + 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) { - (void)cb_data; - - if (!di->priv) { - sr_err("Driver was not initialized."); - return SR_ERR; - } - if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; @@ -515,15 +422,14 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) return SR_OK; } -SR_PRIV struct sr_dev_driver testo_driver_info = { +static struct sr_dev_driver testo_driver_info = { .name = "testo", .longname = "Testo", .api_version = 1, - .init = init, - .cleanup = cleanup, + .init = std_init, + .cleanup = std_cleanup, .scan = scan, - .dev_list = dev_list, - .dev_clear = dev_clear, + .dev_list = std_dev_list, .config_get = config_get, .config_set = config_set, .config_list = config_list, @@ -531,5 +437,6 @@ SR_PRIV struct sr_dev_driver testo_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(testo_driver_info);