X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=output%2Ftext%2Fascii.c;h=4a6b4f08a920db9ee0e54fec76a9176f510f3312;hp=e4eacaf3d3d90c71a38efa66e65ada95c660e09b;hb=ba7dd8bbb8168cba432a844259a3e239aa5f36d7;hpb=54ac5277c5e462f1778300b9bc3fdd4709ecb2dc diff --git a/output/text/ascii.c b/output/text/ascii.c index e4eacaf3..4a6b4f08 100644 --- a/output/text/ascii.c +++ b/output/text/ascii.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 @@ -21,56 +21,61 @@ #include #include #include -#include +#include "libsigrok.h" +#include "libsigrok-internal.h" #include "text.h" +#define LOG_PREFIX "output/ascii" -int init_ascii(struct sr_output *o) +SR_PRIV int init_ascii(struct sr_output *o) { return init(o, DEFAULT_BPL_ASCII, MODE_ASCII); } -int data_ascii(struct sr_output *o, const char *data_in, uint64_t length_in, - char **data_out, uint64_t *length_out) +SR_PRIV int data_ascii(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; + const uint8_t *sample; + uint8_t *outbuf; ctx = o->internal; - max_linelen = MAX_PROBENAME_LEN + 3 + ctx->samples_per_line + max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line + ctx->samples_per_line / 8; /* * Calculate space needed for probes. 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; } 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]; + char tmpval[ctx->num_enabled_channels]; - 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)); + for (p = 0; p < ctx->num_enabled_channels; 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 + @@ -94,7 +99,7 @@ int data_ascii(struct sr_output *o, const char *data_in, uint64_t length_in, ctx->mark_trigger = -1; } - 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] = tmpval[p]; } @@ -102,25 +107,24 @@ int data_ascii(struct sr_output *o, const char *data_in, uint64_t length_in, ctx->line_offset++; ctx->spl_cnt++; - ctx->prevsample = sample; + memcpy(ctx->prevsample, sample, ctx->unitsize); } } 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_ascii = { - "ascii", - "ASCII (takes argument, default 74)", - SR_DF_LOGIC, - init_ascii, - data_ascii, - event, +SR_PRIV struct sr_output_format output_text_ascii = { + .id = "ascii", + .description = "ASCII", + .df_type = SR_DF_LOGIC, + .init = init_ascii, + .data = data_ascii, + .event = event, + .cleanup = text_cleanup, }; -