asix-sigma: eliminate magic numbers in firmware file references

[libsigrok.git] / src / hardware / asix-sigma / protocol.h

diff --git a/src/hardware/asix-sigma/protocol.h b/src/hardware/asix-sigma/protocol.h
index f1ffcd7c7e777f8e7ccd37aa64b261f2ca33294c..cd7bc23953ccc2cc71d46cf9f28eb482f30fe3e1 100644 (file)
--- a/src/hardware/asix-sigma/protocol.h
+++ b/src/hardware/asix-sigma/protocol.h
@@ -294,6 +294,15 @@ struct sigma_state {
        uint16_t lastsample;
 };
 
+enum sigma_firmware_idx {
+       SIGMA_FW_NONE,
+       SIGMA_FW_50MHZ,
+       SIGMA_FW_100MHZ,
+       SIGMA_FW_200MHZ,
+       SIGMA_FW_SYNC,
+       SIGMA_FW_FREQ,
+};
+
 struct submit_buffer;
 
 struct dev_context {
@@ -308,7 +317,7 @@ struct dev_context {
        struct sr_sw_limits cfg_limits; /* Configured limits (user specified). */
        struct sr_sw_limits acq_limits; /* Acquisition limits (internal use). */
        struct sr_sw_limits feed_limits; /* Datafeed limits (internal use). */
-       int cur_firmware;
+       enum sigma_firmware_idx firmware_idx;
        int num_channels;
        int samples_per_event;
        uint64_t capture_ratio;