SR_PRIV int event(struct sr_output *o, int event_type, uint8_t **data_out,
uint64_t *length_out)
{
struct context *ctx;
int outsize;
uint8_t *outbuf;
ctx = o->internal;
switch (event_type) {
case SR_DF_TRIGGER:
ctx->mark_trigger = ctx->spl_cnt;
*data_out = NULL;
*length_out = 0;
break;
case SR_DF_END:
outsize = ctx->num_enabled_probes
* (ctx->samples_per_line + 20) + 512;
if (!(outbuf = g_try_malloc0(outsize))) {
sr_err("text out: %s: outbuf malloc failed", __func__);
return SR_ERR_MALLOC;
}
flush_linebufs(ctx, outbuf);
*data_out = outbuf;
*length_out = strlen((const char *)outbuf);
g_free(o->internal);
o->internal = NULL;
break;
default:
*data_out = NULL;
*length_out = 0;
break;
}
return SR_OK;
}
static int data_binary(struct output *o, char *data_in, uint64_t length_in, char **data_out, uint64_t *length_out)
{
struct context *ctx;
int outsize, offset, bpl_offset, p;
uint64_t sample;
char *outbuf;
ctx = o->internal;
outsize = length_in / ctx->unitsize * ctx->num_enabled_probes * 3 + 512;
outbuf = calloc(1, outsize+1);
if(ctx->header) {
/* the header is still in here, we must be on the first data packet */
strncpy(outbuf, ctx->header, outsize);
free(ctx->header);
ctx->header = NULL;
}
else
outbuf[0] = 0;
bpl_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++) {
if(sample & ((uint64_t) 1 << p))
ctx->linebuf[p * ctx->linebuf_len + bpl_offset] = '1';
else
ctx->linebuf[p * ctx->linebuf_len + bpl_offset] = '0';
}
bpl_offset++;
ctx->spl_cnt++;
/* 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 + bpl_offset] = ' ';
bpl_offset++;
}
/* end of line */
if(ctx->spl_cnt >= ctx->samples_per_line) {
flush_linebufs(ctx, o->device->probes, outbuf);
bpl_offset = ctx->spl_cnt = 0;
}
}
*data_out = outbuf;
*length_out = strlen(outbuf);
return SIGROK_OK;
}
static int event(struct output *o, int event_type, char **data_out, uint64_t *length_out)
{
struct context *ctx;
int outsize;
char *outbuf;
ctx = o->internal;
switch(event_type) {
case DF_TRIGGER:
break;
case DF_END:
outsize = ctx->num_enabled_probes * (ctx->samples_per_line + 20) + 512;
outbuf = calloc(1, outsize);
flush_linebufs(ctx, o->device->probes, outbuf);
*data_out = outbuf;
*length_out = strlen(outbuf);
free(o->internal);
o->internal = NULL;
break;
}
return SIGROK_OK;
}
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;
uint8_t *outbuf, c;
ctx = o->internal;
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);
if (!(outbuf = g_try_malloc0(outsize + 1))) {
sr_err("bits out: %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((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';
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 {
sr_info("bits out: short buffer (length_in=%" PRIu64 ")",
length_in);
}
*data_out = outbuf;
*length_out = strlen((const char *)outbuf);
return SR_OK;
}
int data_ascii(struct sr_output *o, const 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 = 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);
if (!(outbuf = calloc(1, outsize + 1)))
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);
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);
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));
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. */
if (ctx->spl_cnt >= ctx->samples_per_line) {
flush_linebufs(ctx, outbuf);
ctx->line_offset = ctx->spl_cnt = 0;
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 {
sr_info("short buffer (length_in=%" PRIu64 ")", length_in);
}
*data_out = outbuf;
*length_out = strlen(outbuf);
return SR_OK;
}
SR_PRIV int data_hex(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;
const uint8_t *sample;
uint8_t *outbuf;
ctx = o->internal;
max_linelen = SR_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 = 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((char *)outbuf, ctx->header, outsize);
g_free(ctx->header);
ctx->header = NULL;
}
ctx->line_offset = 0;
for (offset = 0; offset <= length_in - ctx->unitsize;
offset += ctx->unitsize) {
sample = data_in + offset;
for (p = 0; p < ctx->num_enabled_probes; p++) {
ctx->linevalues[p] <<= 1;
if (sample[p / 8] & ((uint8_t) 1 << (p % 8)))
ctx->linevalues[p] |= 1;
sprintf((char *)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((const char *)outbuf);
return SR_OK;
}
