Add config keys for upcoming RF demodulator drivers.

Langford driver will be first.

diff --git a/libsigrok.h b/libsigrok.h
index 6e024352ab6c8c426c4191b1fee1e01d585a3740..caa13757c32a9923976524a840c19cf64e025f1e 100644 (file)
--- a/libsigrok.h
+++ b/libsigrok.h
@@ -679,6 +679,9 @@ enum {
        /** The device can measure energy consumption. */
        SR_CONF_ENERGYMETER,
 
+       /** The device can demodulate signals. */
+       SR_CONF_DEMODULATOR,
+
        /*--- Driver scan options -------------------------------------------*/
 
        /**
@@ -791,6 +794,12 @@ enum {
         */
        SR_CONF_SWAP,
 
+        /** Center frequency.
+         * The input signal is downmixed by this frequency before the ADC
+         * anti-aliasing filter.
+         */
+        SR_CONF_CENTER_FREQUENCY,
+
        /*--- Special stuff -------------------------------------------------*/
 
        /** Scan options supported by the driver. */