From f3163a6c2ee7a1d7ec6865f11cfcf52b07dc31f5 Mon Sep 17 00:00:00 2001 From: Daniel Ribeiro Date: Thu, 20 Jan 2011 20:10:43 -0200 Subject: [PATCH] make output_analog.c = output_text.c --- output/output_analog.c | 369 +++++++++++++++++++++++++++++++++-------- 1 file changed, 299 insertions(+), 70 deletions(-) diff --git a/output/output_analog.c b/output/output_analog.c index b9c3c7c2..6c2901ae 100644 --- a/output/output_analog.c +++ b/output/output_analog.c @@ -1,7 +1,8 @@ /* * This file is part of the sigrok project. * - * Copyright (C) 2011 Bert Vermeulen + * Copyright (C) 2010 Bert Vermeulen + * Copyright (C) 2011 HÃ¥vard Espeland * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -17,31 +18,39 @@ * along with this program. If not, see . */ -#include #include +#include #include +#include #include -#include +#include "config.h" +#define DEFAULT_BPL_BITS 64 +#define DEFAULT_BPL_HEX 192 +#define DEFAULT_BPL_ASCII 74 -#define DEFAULT_SAMPLES_PER_LINE 10 -/* -10.25 */ -#define VALUE_LEN 6 +enum outputmode { + MODE_BITS = 1, + MODE_HEX, + MODE_ASCII, +}; struct context { - char *header; unsigned int num_enabled_probes; - char *probelist[MAX_NUM_PROBES]; int samples_per_line; unsigned int unitsize; int line_offset; int linebuf_len; + char *probelist[65]; char *linebuf; int spl_cnt; + uint8_t *linevalues; + char *header; int mark_trigger; + uint64_t prevsample; + enum outputmode mode; }; - static void flush_linebufs(struct context *ctx, char *outbuf) { static int max_probename_len = 0; @@ -66,13 +75,20 @@ static void flush_linebufs(struct context *ctx, char *outbuf) /* Mark trigger with a ^ character. */ if (ctx->mark_trigger != -1) + { + int space_offset = ctx->mark_trigger / 8; + + if (ctx->mode == MODE_ASCII) + space_offset = 0; + sprintf(outbuf + strlen(outbuf), "T:%*s^\n", - ctx->mark_trigger * (VALUE_LEN+1), ""); + ctx->mark_trigger + space_offset, ""); + } memset(ctx->linebuf, 0, i * ctx->linebuf_len); } -static int init(struct output *o) +static int init(struct output *o, int default_spl, enum outputmode mode) { struct context *ctx; struct probe *probe; @@ -84,20 +100,8 @@ static int init(struct output *o) if (!(ctx = calloc(1, sizeof(struct context)))) return SIGROK_ERR_MALLOC; - if (!(ctx->header = malloc(512))) { - free(ctx); - return SIGROK_ERR_MALLOC; - } - o->internal = ctx; ctx->num_enabled_probes = 0; - ctx->mark_trigger = -1; - if (o->param && o->param[0]) { - ctx->samples_per_line = strtoul(o->param, NULL, 10); - if (ctx->samples_per_line < 1) - return SIGROK_ERR; - } else - ctx->samples_per_line = DEFAULT_SAMPLES_PER_LINE; for (l = o->device->probes; l; l = l->next) { probe = l->data; @@ -105,11 +109,29 @@ static int init(struct output *o) continue; ctx->probelist[ctx->num_enabled_probes++] = probe->name; } - ctx->unitsize = sizeof(double) * ctx->num_enabled_probes; + + ctx->probelist[ctx->num_enabled_probes] = 0; + ctx->unitsize = (ctx->num_enabled_probes + 7) / 8; + ctx->line_offset = 0; + ctx->spl_cnt = 0; + ctx->mark_trigger = -1; + ctx->mode = mode; + + if (o->param && o->param[0]) { + ctx->samples_per_line = strtoul(o->param, NULL, 10); + if (ctx->samples_per_line < 1) + return SIGROK_ERR; + } else + ctx->samples_per_line = default_spl; + + if (!(ctx->header = malloc(512))) { + free(ctx); + return SIGROK_ERR_MALLOC; + } snprintf(ctx->header, 511, "%s\n", PACKAGE_STRING); + num_probes = g_slist_length(o->device->probes); if (o->device->plugin) { - num_probes = g_slist_length(o->device->probes); samplerate = *((uint64_t *) o->device->plugin->get_device_info( o->device->plugin_index, DI_CUR_SAMPLERATE)); if (!(samplerate_s = sigrok_samplerate_string(samplerate))) { @@ -124,30 +146,220 @@ static int init(struct output *o) free(samplerate_s); } - ctx->linebuf_len = MAX_PROBENAME_LEN + ctx->samples_per_line * VALUE_LEN - + ctx->samples_per_line + 4; - if (!(ctx->linebuf = calloc(1, ctx->num_enabled_probes * ctx->linebuf_len))) { + ctx->linebuf_len = ctx->samples_per_line * 2 + 4; + if (!(ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len))) { + free(ctx->header); + free(ctx); + return SIGROK_ERR_MALLOC; + } + if (!(ctx->linevalues = calloc(1, num_probes))) { free(ctx->header); free(ctx); return SIGROK_ERR_MALLOC; } - return 0; + return SIGROK_OK; } -static int data(struct output *o, char *data_in, uint64_t length_in, - char **data_out, uint64_t *length_out) +static int event(struct output *o, int event_type, char **data_out, + uint64_t *length_out) { struct context *ctx; - double probe_sample; - unsigned int max_linelen, outsize, offset, p; - char *outbuf, s[VALUE_LEN+2]; + int outsize; + char *outbuf; ctx = o->internal; - max_linelen = MAX_PROBENAME_LEN + 3 + ctx->samples_per_line * VALUE_LEN + switch (event_type) { + case DF_TRIGGER: + ctx->mark_trigger = ctx->spl_cnt; + *data_out = NULL; + *length_out = 0; + break; + case DF_END: + outsize = ctx->num_enabled_probes + * (ctx->samples_per_line + 20) + 512; + if (!(outbuf = calloc(1, outsize))) + return SIGROK_ERR_MALLOC; + flush_linebufs(ctx, outbuf); + *data_out = outbuf; + *length_out = strlen(outbuf); + free(o->internal); + o->internal = NULL; + break; + default: + *data_out = NULL; + *length_out = 0; + break; + } + + return SIGROK_OK; +} + +static int init_bits(struct output *o) +{ + return init(o, DEFAULT_BPL_BITS, MODE_BITS); +} + +static int data_bits(struct output *o, char *data_in, uint64_t length_in, + char **data_out, uint64_t *length_out) +{ + struct context *ctx; + unsigned int outsize, offset, p; + int max_linelen; + uint64_t sample; + char *outbuf, c; + + ctx = o->internal; + max_linelen = 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); + + if (!(outbuf = calloc(1, outsize + 1))) + return SIGROK_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); + 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'; + ctx->linebuf[p * ctx->linebuf_len + + ctx->line_offset] = c; + } + ctx->line_offset++; + ctx->spl_cnt++; + + /* Add a space every 8th bit. */ + if ((ctx->spl_cnt & 7) == 0) { + for (p = 0; p < ctx->num_enabled_probes; p++) + ctx->linebuf[p * ctx->linebuf_len + + ctx->line_offset] = ' '; + ctx->line_offset++; + } + + /* End of line. */ + if (ctx->spl_cnt >= ctx->samples_per_line) { + flush_linebufs(ctx, outbuf); + ctx->line_offset = ctx->spl_cnt = 0; + ctx->mark_trigger = -1; + } + } + } else { + g_message("short buffer (length_in=%" PRIu64 ")", length_in); + } + + *data_out = outbuf; + *length_out = strlen(outbuf); + + return SIGROK_OK; +} + +static int init_hex(struct output *o) +{ + return init(o, DEFAULT_BPL_HEX, MODE_HEX); +} + +static int data_hex(struct output *o, char *data_in, uint64_t length_in, + char **data_out, uint64_t *length_out) +{ + struct context *ctx; + unsigned int outsize, offset, p; + int max_linelen; + uint64_t sample; + char *outbuf; + + ctx = o->internal; + max_linelen = MAX_PROBENAME_LEN + 3 + ctx->samples_per_line + + ctx->samples_per_line / 2; outsize = length_in / ctx->unitsize * ctx->num_enabled_probes / ctx->samples_per_line * max_linelen + 512; + + if (!(outbuf = calloc(1, outsize + 1))) + return SIGROK_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); + ctx->header = NULL; + } + + ctx->line_offset = 0; + 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++) { + ctx->linevalues[p] <<= 1; + if (sample & ((uint64_t) 1 << p)) + ctx->linevalues[p] |= 1; + sprintf(ctx->linebuf + (p * ctx->linebuf_len) + + ctx->line_offset, "%.2x", ctx->linevalues[p]); + } + ctx->spl_cnt++; + + /* Add a space after every complete hex byte. */ + if ((ctx->spl_cnt & 7) == 0) { + for (p = 0; p < ctx->num_enabled_probes; p++) + ctx->linebuf[p * ctx->linebuf_len + + ctx->line_offset + 2] = ' '; + ctx->line_offset += 3; + } + + /* End of line. */ + if (ctx->spl_cnt >= ctx->samples_per_line) { + flush_linebufs(ctx, outbuf); + ctx->line_offset = ctx->spl_cnt = 0; + } + } + + *data_out = outbuf; + *length_out = strlen(outbuf); + + return SIGROK_OK; +} + +static int init_ascii(struct output *o) +{ + return init(o, DEFAULT_BPL_ASCII, MODE_ASCII); +} + +static int data_ascii(struct output *o, char *data_in, uint64_t length_in, + char **data_out, uint64_t *length_out) +{ + struct context *ctx; + unsigned int outsize, offset, p; + int max_linelen; + uint64_t sample; + char *outbuf; + + ctx = o->internal; + max_linelen = 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); + if (!(outbuf = calloc(1, outsize + 1))) return SIGROK_ERR_MALLOC; @@ -162,12 +374,28 @@ static int data(struct output *o, char *data_in, uint64_t length_in, if (length_in >= ctx->unitsize) { for (offset = 0; offset <= length_in - ctx->unitsize; offset += ctx->unitsize) { + memcpy(&sample, data_in + offset, ctx->unitsize); + + char tmpval[ctx->num_enabled_probes]; + for (p = 0; p < ctx->num_enabled_probes; p++) { - memcpy(&probe_sample, data_in + offset * p, sizeof(double)); - snprintf(s, VALUE_LEN+2, "% 6.2f ", probe_sample); - strcat(ctx->linebuf + p * ctx->linebuf_len + ctx->line_offset, s); - ctx->line_offset += strlen(s); - ctx->spl_cnt++; + uint64_t curbit = (sample & ((uint64_t) 1 << p)); + uint64_t prevbit = (ctx->prevsample & + ((uint64_t) 1 << p)); + + if (curbit < prevbit && ctx->line_offset > 0) { + ctx->linebuf[p * ctx->linebuf_len + + ctx->line_offset-1] = '\\'; + } + + if (curbit > prevbit) { + tmpval[p] = '/'; + } else { + if (curbit) + tmpval[p] = '"'; + else + tmpval[p] = '.'; + } } /* End of line. */ @@ -177,7 +405,15 @@ static int data(struct output *o, char *data_in, uint64_t length_in, ctx->mark_trigger = -1; } + for (p = 0; p < ctx->num_enabled_probes; p++) { + ctx->linebuf[p * ctx->linebuf_len + + ctx->line_offset] = tmpval[p]; + } + ctx->line_offset++; + ctx->spl_cnt++; + + ctx->prevsample = sample; } } else { g_message("short buffer (length_in=%" PRIu64 ")", length_in); @@ -189,37 +425,30 @@ static int data(struct output *o, char *data_in, uint64_t length_in, return SIGROK_OK; } -static int event(struct output *o, int event_type, char **data_out, - uint64_t *length_out) -{ - struct context *ctx; - ctx = o->internal; - switch (event_type) { - case DF_TRIGGER: - ctx->mark_trigger = ctx->spl_cnt; - break; - case DF_END: - if (ctx->header) - free(ctx->header); - free(ctx->linebuf); - free(o->internal); - o->internal = NULL; - break; - } - - *data_out = NULL; - *length_out = 0; - - return SIGROK_OK; -} - -struct output_format output_analog = { - "analog", - "Analog data (takes argument, default 10)", - DF_ANALOG, - init, - data, +struct output_format output_text_bits = { + "bits", + "Bits (takes argument, default 64)", + DF_LOGIC, + init_bits, + data_bits, event, }; +struct output_format output_text_hex = { + "hex", + "Hexadecimal (takes argument, default 192)", + DF_LOGIC, + init_hex, + data_hex, + event, +}; + +struct output_format output_text_ascii = { + "ascii", + "ASCII (takes argument, default 74)", + DF_LOGIC, + init_ascii, + data_ascii, + event, +};