kingst-la2016: prefer boolean data type for bool information

[libsigrok.git] / src / hardware / kingst-la2016 / protocol.c

diff --git a/src/hardware/kingst-la2016/protocol.c b/src/hardware/kingst-la2016/protocol.c
index 8f08337ad7fa570663d35485c63b23272c7d5350..e59bae0aab48fbc15386f546fee3839d21a3ce53 100644 (file)
--- a/src/hardware/kingst-la2016/protocol.c
+++ b/src/hardware/kingst-la2016/protocol.c
@@ -915,15 +915,15 @@ static uint16_t run_state(const struct sr_dev_inst *sdi)
        return state;
 }
 
-static int la2016_is_idle(const struct sr_dev_inst *sdi)
+static gboolean la2016_is_idle(const struct sr_dev_inst *sdi)
 {
        uint16_t state;
 
        state = run_state(sdi);
        if ((state & runstate_mask_idle) == runstate_patt_idle)
-               return 1;
+               return TRUE;
 
-       return 0;
+       return FALSE;
 }
 
 static int set_run_mode(const struct sr_dev_inst *sdi, uint8_t mode)
@@ -1515,15 +1515,22 @@ static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer)
 {
        struct sr_dev_inst *sdi;
        struct dev_context *devc;
-       gboolean was_cancelled;
+       gboolean was_cancelled, device_gone;
        int ret;
 
        sdi = transfer->user_data;
        devc = sdi->priv;
 
        was_cancelled = transfer->status == LIBUSB_TRANSFER_CANCELLED;
+       device_gone = transfer->status == LIBUSB_TRANSFER_NO_DEVICE;
        sr_dbg("receive_transfer(): status %s received %d bytes.",
                libusb_error_name(transfer->status), transfer->actual_length);
+       if (device_gone) {
+               sr_warn("Lost communication to USB device.");
+               devc->download_finished = TRUE;
+               return;
+       }
+
        /*
         * Implementation detail: A USB transfer timeout is not fatal
         * here. We just process whatever was received, empty input is