X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Flascar-el-usb%2Fprotocol.c;h=709e36779a8b2dfa93418fdba9eabf51cbdc85bb;hb=8de8551b8809b0818c20690c3014df6e6c4ee7fc;hp=9e20edc68e3618ee99949670d332967a8ffcbeb2;hpb=f3f19d1131025b68d29a11273b627c83d748e7ea;p=libsigrok.git diff --git a/src/hardware/lascar-el-usb/protocol.c b/src/hardware/lascar-el-usb/protocol.c index 9e20edc6..709e3677 100644 --- a/src/hardware/lascar-el-usb/protocol.c +++ b/src/hardware/lascar-el-usb/protocol.c @@ -17,12 +17,13 @@ * along with this program. If not, see . */ +#include #include #include #include #include #include -#include "libsigrok.h" +#include #include "libsigrok-internal.h" #include "protocol.h" @@ -77,7 +78,7 @@ static libusb_device_handle *lascar_open(struct libusb_device *dev) return dev_hdl; } -static void mark_xfer(struct libusb_transfer *xfer) +static void LIBUSB_CALL mark_xfer(struct libusb_transfer *xfer) { xfer->user_data = GINT_TO_POINTER(1); @@ -96,7 +97,7 @@ SR_PRIV int lascar_get_config(libusb_device_handle *dev_hdl, sr_spew("Reading config block."); - drvc = di->priv; + drvc = di->context; *configlen = 0; if (!(xfer_in = libusb_alloc_transfer(0)) || @@ -111,7 +112,7 @@ SR_PRIV int lascar_get_config(libusb_device_handle *dev_hdl, /* Keep a read request waiting in the wings, ready to pounce * the moment the device sends something. */ libusb_fill_bulk_transfer(xfer_in, dev_hdl, LASCAR_EP_IN, - buf, 256, mark_xfer, 0, 10000); + buf, 256, mark_xfer, 0, BULK_XFER_TIMEOUT); if (libusb_submit_transfer(xfer_in) != 0) goto cleanup; @@ -132,7 +133,7 @@ SR_PRIV int lascar_get_config(libusb_device_handle *dev_hdl, start = 0; break; } - g_usleep(5000); + g_usleep(SLEEP_US_LONG); libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); } if (!start) { @@ -165,7 +166,7 @@ SR_PRIV int lascar_get_config(libusb_device_handle *dev_hdl, start = 0; break; } - g_usleep(5000); + g_usleep(SLEEP_US_LONG); libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); } if (!start) { @@ -182,16 +183,16 @@ SR_PRIV int lascar_get_config(libusb_device_handle *dev_hdl, *configlen = buflen; cleanup: - if (!xfer_in->user_data || !xfer_in->user_data) { + if (!xfer_in->user_data || !xfer_out->user_data) { if (!xfer_in->user_data) libusb_cancel_transfer(xfer_in); if (!xfer_out->user_data) libusb_cancel_transfer(xfer_out); start = g_get_monotonic_time(); while (!xfer_in->user_data || !xfer_out->user_data) { - if (g_get_monotonic_time() - start > 10000) + if (g_get_monotonic_time() - start > EVENTS_TIMEOUT) break; - g_usleep(1000); + g_usleep(SLEEP_US_SHORT); libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); } } @@ -213,7 +214,7 @@ static int lascar_save_config(libusb_device_handle *dev_hdl, sr_spew("Writing config block."); - drvc = di->priv; + drvc = di->context; if (!(xfer_in = libusb_alloc_transfer(0)) || !(xfer_out = libusb_alloc_transfer(0))) @@ -228,7 +229,7 @@ static int lascar_save_config(libusb_device_handle *dev_hdl, /* Keep a read request waiting in the wings, ready to pounce * the moment the device sends something. */ libusb_fill_bulk_transfer(xfer_in, dev_hdl, LASCAR_EP_IN, - buf, 256, mark_xfer, 0, 10000); + buf, 256, mark_xfer, 0, BULK_XFER_TIMEOUT); if (libusb_submit_transfer(xfer_in) != 0) { ret = SR_ERR; goto cleanup; @@ -247,7 +248,7 @@ static int lascar_save_config(libusb_device_handle *dev_hdl, tv.tv_sec = 0; tv.tv_usec = 0; while (!xfer_out->user_data) { - g_usleep(5000); + g_usleep(SLEEP_US_LONG); libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); } @@ -258,7 +259,7 @@ static int lascar_save_config(libusb_device_handle *dev_hdl, goto cleanup; } while (!xfer_in->user_data || !xfer_out->user_data) { - g_usleep(5000); + g_usleep(SLEEP_US_LONG); libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); } @@ -268,16 +269,16 @@ static int lascar_save_config(libusb_device_handle *dev_hdl, } cleanup: - if (!xfer_in->user_data || !xfer_in->user_data) { + if (!xfer_in->user_data || !xfer_out->user_data) { if (!xfer_in->user_data) libusb_cancel_transfer(xfer_in); if (!xfer_out->user_data) libusb_cancel_transfer(xfer_out); start = g_get_monotonic_time(); while (!xfer_in->user_data || !xfer_out->user_data) { - if (g_get_monotonic_time() - start > 10000) + if (g_get_monotonic_time() - start > EVENTS_TIMEOUT) break; - g_usleep(1000); + g_usleep(SLEEP_US_SHORT); libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv); } } @@ -351,21 +352,15 @@ SR_PRIV struct sr_dev_inst *lascar_scan(int bus, int address) struct drv_context *drvc; struct sr_dev_inst *sdi; struct libusb_device **devlist; - struct libusb_device_descriptor des; libusb_device_handle *dev_hdl; - int dummy, ret, i; + int dummy, i; unsigned char config[MAX_CONFIGBLOCK_SIZE]; - drvc = di->priv; + drvc = di->context; sdi = NULL; libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); for (i = 0; devlist[i]; i++) { - if ((ret = libusb_get_device_descriptor(devlist[i], &des))) { - sr_err("Failed to get device descriptor: %d.", ret); - continue; - } - if (libusb_get_bus_number(devlist[i]) != bus || libusb_get_device_address(devlist[i]) != address) continue; @@ -436,6 +431,7 @@ static void lascar_el_usb_dispatch(struct sr_dev_inst *sdi, unsigned char *buf, analog.unit = SR_UNIT_CELSIUS; analog.data = temp; sr_session_send(devc->cb_data, &packet); + g_slist_free(analog.channels); } ch = sdi->channels->next->data; @@ -445,6 +441,7 @@ static void lascar_el_usb_dispatch(struct sr_dev_inst *sdi, unsigned char *buf, analog.unit = SR_UNIT_PERCENTAGE; analog.data = rh; sr_session_send(devc->cb_data, &packet); + g_slist_free(analog.channels); } g_free(temp); @@ -462,7 +459,7 @@ static void lascar_el_usb_dispatch(struct sr_dev_inst *sdi, unsigned char *buf, break; for (i = 0; i < samples; i++) { s = (buf[i * 2] << 8) | buf[i * 2 + 1]; - analog.data[i] = (s * devc->co_high + devc->co_low) / 1000000; + analog.data[i] = (s * devc->co_high + devc->co_low) / (1000 * 1000); if (analog.data[i] < 0.0) analog.data[i] = 0.0; } @@ -479,7 +476,7 @@ static void lascar_el_usb_dispatch(struct sr_dev_inst *sdi, unsigned char *buf, SR_PRIV int lascar_el_usb_handle_events(int fd, int revents, void *cb_data) { - struct drv_context *drvc = di->priv; + struct drv_context *drvc = di->context; struct sr_datafeed_packet packet; struct sr_dev_inst *sdi; struct timeval tv; @@ -503,7 +500,7 @@ SR_PRIV int lascar_el_usb_handle_events(int fd, int revents, void *cb_data) return TRUE; } -SR_PRIV void lascar_el_usb_receive_transfer(struct libusb_transfer *transfer) +SR_PRIV void LIBUSB_CALL lascar_el_usb_receive_transfer(struct libusb_transfer *transfer) { struct dev_context *devc; struct sr_dev_inst *sdi;