X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=output%2Ftext%2Fbits.c;h=4ab59253fb4fb85285bfee84b5e1dd2dd34048fd;hb=fca75cbb741ae756bf50eaf1cdc6d4d53fcc60cd;hp=ccf550701e1c816affb0a94aa99220b5fca3fdfd;hpb=54ac5277c5e462f1778300b9bc3fdd4709ecb2dc;p=libsigrok.git diff --git a/output/text/bits.c b/output/text/bits.c index ccf55070..4ab59253 100644 --- a/output/text/bits.c +++ b/output/text/bits.c @@ -1,7 +1,7 @@ /* - * This file is part of the sigrok project. + * This file is part of the libsigrok project. * - * Copyright (C) 2011 Bert Vermeulen + * Copyright (C) 2010-2012 Bert Vermeulen * Copyright (C) 2011 HÃ¥vard Espeland * * This program is free software: you can redistribute it and/or modify @@ -21,55 +21,56 @@ #include #include #include -#include +#include "libsigrok.h" +#include "libsigrok-internal.h" #include "text.h" +#define LOG_PREFIX "output/bits" -int init_bits(struct sr_output *o) +SR_PRIV int init_bits(struct sr_output *o) { return init(o, DEFAULT_BPL_BITS, MODE_BITS); } -int data_bits(struct sr_output *o, const char *data_in, uint64_t length_in, - char **data_out, uint64_t *length_out) +SR_PRIV int data_bits(struct sr_output *o, const uint8_t *data_in, + uint64_t length_in, uint8_t **data_out, + uint64_t *length_out) { struct context *ctx; unsigned int outsize, offset, p; int max_linelen; - uint64_t sample; - char *outbuf, c; + const uint8_t *sample; + uint8_t *outbuf, c; ctx = o->internal; - max_linelen = MAX_PROBENAME_LEN + 3 + ctx->samples_per_line + max_linelen = SR_MAX_CHANNELNAME_LEN + 3 + ctx->samples_per_line + ctx->samples_per_line / 8; /* - * Calculate space needed for probes. Set aside 512 bytes for + * Calculate space needed for channels. Set aside 512 bytes for * extra output, e.g. trigger. */ outsize = 512 + (1 + (length_in / ctx->unitsize) / ctx->samples_per_line) - * (ctx->num_enabled_probes * max_linelen); + * (ctx->num_enabled_channels * max_linelen); - if (!(outbuf = calloc(1, outsize + 1))) + if (!(outbuf = g_try_malloc0(outsize + 1))) { + sr_err("%s: outbuf malloc failed", __func__); return SR_ERR_MALLOC; + } outbuf[0] = '\0'; if (ctx->header) { /* The header is still here, this must be the first packet. */ - strncpy(outbuf, ctx->header, outsize); - free(ctx->header); + 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); - for (p = 0; p < ctx->num_enabled_probes; p++) { - c = (sample & ((uint64_t) 1 << p)) ? '1' : '0'; + sample = data_in + offset; + for (p = 0; p < ctx->num_enabled_channels; p++) { + c = (sample[p / 8] & ((uint8_t) 1 << (p % 8))) ? '1' : '0'; ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = c; } @@ -78,7 +79,7 @@ int data_bits(struct sr_output *o, const char *data_in, uint64_t length_in, /* Add a space every 8th bit. */ if ((ctx->spl_cnt & 7) == 0) { - for (p = 0; p < ctx->num_enabled_probes; p++) + for (p = 0; p < ctx->num_enabled_channels; p++) ctx->linebuf[p * ctx->linebuf_len + ctx->line_offset] = ' '; ctx->line_offset++; @@ -92,22 +93,21 @@ int data_bits(struct sr_output *o, const char *data_in, uint64_t length_in, } } } else { - g_message("short buffer (length_in=%" PRIu64 ")", length_in); + sr_info("Short buffer (length_in=%" PRIu64 ").", length_in); } *data_out = outbuf; - *length_out = strlen(outbuf); + *length_out = strlen((const char *)outbuf); return SR_OK; } - -struct sr_output_format output_text_bits = { - "bits", - "Bits (takes argument, default 64)", - SR_DF_LOGIC, - init_bits, - data_bits, - event, +SR_PRIV struct sr_output_format output_text_bits = { + .id = "bits", + .description = "Bits", + .df_type = SR_DF_LOGIC, + .init = init_bits, + .data = data_bits, + .event = event, + .cleanup = text_cleanup, }; -