fx2lafw: Added a check to limit the sample rate during 16-bit sampling

[libsigrok.git] / hardware / fx2lafw / command.c

diff --git a/hardware/fx2lafw/command.c b/hardware/fx2lafw/command.c
index 5346408d72660570643a2580282bb10b37face95..7053ce4289c19c278f7c91804eb52148ecabc16a 100644 (file)
--- a/hardware/fx2lafw/command.c
+++ b/hardware/fx2lafw/command.c
@@ -66,6 +66,12 @@ SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl,
        int delay = 0, ret;
 
        /* Compute the sample rate. */
+       if(samplewide && samplerate > MAX_16BIT_SAMPLE_RATE) {
+               sr_err("fx2lafw: Unable to sample at %" PRIu64 "Hz "
+                       "when collecting 16-bit samples.", samplerate);
+               return SR_ERR;
+       }
+
        if ((SR_MHZ(48) % samplerate) == 0) {
                cmd.flags = CMD_START_FLAGS_CLK_48MHZ;
                delay = SR_MHZ(48) / samplerate - 1;