asix-sigma: use more helpers for bit mask creation

[libsigrok.git] / src / hardware / asix-sigma / api.c

diff --git a/src/hardware/asix-sigma/api.c b/src/hardware/asix-sigma/api.c
index ad711d60e47d57ed94a677a899592f384aef9e62..b8d68e9a0118c433184ab7a68f0c4ae3277bcb5b 100644 (file)
--- a/src/hardware/asix-sigma/api.c
+++ b/src/hardware/asix-sigma/api.c
@@ -477,9 +477,9 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
                /* Find which pin to trigger on from mask. */
                for (triggerpin = 0; triggerpin < 8; triggerpin++) {
-                       if (devc->trigger.risingmask & (1 << triggerpin))
+                       if (devc->trigger.risingmask & BIT(triggerpin))
                                break;
-                       if (devc->trigger.fallingmask & (1 << triggerpin))
+                       if (devc->trigger.fallingmask & BIT(triggerpin))
                                break;
                }
 
@@ -550,7 +550,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
         * Derive a mask where bits are set for unavailable channels.
         * Either send the single byte, or the full byte sequence.
         */
-       pindis_mask = ~((1UL << devc->num_channels) - 1);
+       pindis_mask = ~BITS_MASK(devc->num_channels);
        if (devc->clock.samplerate > SR_MHZ(50)) {
                ret = sigma_set_register(devc, WRITE_CLOCK_SELECT,
                        pindis_mask & 0xff);