cem-dt-885x: Support for retrieving stored samples

[libsigrok.git] / output / text / ascii.c

diff --git a/output/text/ascii.c b/output/text/ascii.c
index 2fed35d8b4e9e2515059f9012c23efe4565ce678..bd87024d19a108136ce18072f05cd44bf9f9b786 100644 (file)
--- a/output/text/ascii.c
+++ b/output/text/ascii.c
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
  * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
  * Copyright (C) 2011 Håvard Espeland <gus@ping.uio.no>
@@ -25,14 +25,14 @@
 #include "libsigrok-internal.h"
 #include "text.h"
 
-/* Message logging helpers with driver-specific prefix string. */
-#define DRIVER_LOG_DOMAIN "output/ascii: "
-#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/ascii: "
+#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_ascii(struct sr_output *o)
 {
@@ -46,7 +46,7 @@ SR_PRIV int data_ascii(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;
 
        ctx = o->internal;
@@ -75,14 +75,14 @@ SR_PRIV int data_ascii(struct sr_output *o, const uint8_t *data_in,
        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;
 
                        char tmpval[ctx->num_enabled_probes];
 
                        for (p = 0; p < ctx->num_enabled_probes; p++) {
-                               uint64_t curbit = (sample & ((uint64_t) 1 << p));
-                               uint64_t prevbit = (ctx->prevsample &
-                                               ((uint64_t) 1 << p));
+                               uint8_t curbit = (sample[p / 8] & ((uint8_t) 1 << (p % 8)));
+                               uint8_t prevbit = (ctx->prevsample[p / 8] &
+                                               ((uint8_t) 1 << (p % 8)));
 
                                if (curbit < prevbit && ctx->line_offset > 0) {
                                        ctx->linebuf[p * ctx->linebuf_len +
@@ -114,7 +114,7 @@ SR_PRIV int data_ascii(struct sr_output *o, const uint8_t *data_in,
                        ctx->line_offset++;
                        ctx->spl_cnt++;
 
-                       ctx->prevsample = sample;
+                       memcpy(ctx->prevsample, sample, ctx->unitsize);
                }
        } else {
                sr_info("Short buffer (length_in=%" PRIu64 ").", length_in);