X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=output%2Ftext%2Fbits.c;h=3afb90169104eaa20037b709378871fc4a054347;hb=refs%2Fheads%2Flibsigrok-0.2.x;hp=af53e49f43d55a5901b7e98514805267067a9be2;hpb=50985c2019b2b5a6ce394589d89ee925b4f5e3a9;p=libsigrok.git

diff --git a/output/text/bits.c b/output/text/bits.c
index af53e49f..3afb9016 100644
--- a/output/text/bits.c
+++ b/output/text/bits.c
@@ -25,14 +25,14 @@
 #include "libsigrok-internal.h"
 #include "text.h"
 
-/* Message logging helpers with driver-specific prefix string. */
-#define DRIVER_LOG_DOMAIN "output/bits: "
-#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
-#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
-#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "output/bits: "
+#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
+#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
+#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
+#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
+#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
+#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
 
 SR_PRIV int init_bits(struct sr_output *o)
 {
@@ -46,7 +46,7 @@ SR_PRIV int data_bits(struct sr_output *o, const uint8_t *data_in,
 	struct context *ctx;
 	unsigned int outsize, offset, p;
 	int max_linelen;
-	uint64_t sample;
+	const uint8_t *sample;
 	uint8_t *outbuf, c;
 
 	ctx = o->internal;
@@ -70,18 +70,14 @@ SR_PRIV int data_bits(struct sr_output *o, const uint8_t *data_in,
 		strncpy((char *)outbuf, ctx->header, outsize);
 		g_free(ctx->header);
 		ctx->header = NULL;
-
-		/* Ensure first transition. */
-		memcpy(&ctx->prevsample, data_in, ctx->unitsize);
-		ctx->prevsample = ~ctx->prevsample;
 	}
 
 	if (length_in >= ctx->unitsize) {
 		for (offset = 0; offset <= length_in - ctx->unitsize;
 		     offset += ctx->unitsize) {
-			memcpy(&sample, data_in + offset, ctx->unitsize);
+			sample = data_in + offset;
 			for (p = 0; p < ctx->num_enabled_probes; p++) {
-				c = (sample & ((uint64_t) 1 << p)) ? '1' : '0';
+				c = (sample[p / 8] & ((uint8_t) 1 << (p % 8))) ? '1' : '0';
 				ctx->linebuf[p * ctx->linebuf_len +
 					     ctx->line_offset] = c;
 			}