int
urj_tap_cable_get_signal_late (urj_cable_t *cable, urj_pod_sigsel_t sig)
{
int i;
urj_tap_cable_flush (cable, URJ_TAP_CABLE_TO_OUTPUT);
i = urj_tap_cable_get_queue_item (cable, &cable->done);
if (i >= 0)
{
if (cable->done.data[i].action != URJ_TAP_CABLE_GET_SIGNAL)
{
urj_warning (
_("Internal error: Got wrong type of result from queue (%d? %p.%d)\n"),
cable->done.data[i].action, &cable->done, i);
urj_tap_cable_purge_queue (&cable->done, 1);
}
else if (cable->done.data[i].arg.value.sig != sig)
{
urj_warning (
_("Internal error: Got wrong signal's value from queue (%d? %p.%d)\n"),
cable->done.data[i].action, &cable->done, i);
urj_tap_cable_purge_queue (&cable->done, 1);
}
else
{
return cable->done.data[i].arg.value.val;
}
}
return cable->driver->get_signal (cable, sig);
}
int
urj_tap_chain_shift_instructions_mode (urj_chain_t *chain,
int capture_output, int capture,
int chain_exit)
{
int i;
urj_parts_t *ps;
if (!chain || !chain->parts)
{
urj_error_set (URJ_ERROR_NO_CHAIN, "no chain or no part");
return URJ_STATUS_FAIL;
}
ps = chain->parts;
for (i = 0; i < ps->len; i++)
{
if (ps->parts[i]->active_instruction == NULL)
{
urj_error_set (URJ_ERROR_NO_ACTIVE_INSTRUCTION,
_("Part %d without active instruction"), i);
return URJ_STATUS_FAIL;
}
}
if (capture)
urj_tap_capture_ir (chain);
/* new implementation: split into defer + retrieve part
shift the data register of each part in the chain one by one */
for (i = 0; i < ps->len; i++)
{
urj_tap_defer_shift_register (chain,
ps->parts[i]->active_instruction->value,
capture_output ? ps->parts[i]->active_instruction->out
: NULL,
(i + 1) == ps->len ? chain_exit : URJ_CHAIN_EXITMODE_SHIFT);
}
if (capture_output)
{
for (i = 0; i < ps->len; i++)
{
urj_tap_shift_register_output (chain,
ps->parts[i]->active_instruction->value,
ps->parts[i]->active_instruction->out,
(i + 1) == ps->len ? chain_exit
: URJ_CHAIN_EXITMODE_SHIFT);
}
}
else
{
/* give the cable driver a chance to flush if it's considered useful */
urj_tap_cable_flush (chain->cable, URJ_TAP_CABLE_TO_OUTPUT);
}
return URJ_STATUS_OK;
}
int
urj_tap_cable_defer_get_tdo (urj_cable_t *cable)
{
int i = urj_tap_cable_add_queue_item (cable, &cable->todo);
if (i < 0)
return URJ_STATUS_FAIL; /* report failure */
cable->todo.data[i].action = URJ_TAP_CABLE_GET_TDO;
urj_tap_cable_flush (cable, URJ_TAP_CABLE_OPTIONALLY);
return URJ_STATUS_OK; /* success */
}
int
urj_tap_cable_defer_get_signal (urj_cable_t *cable, urj_pod_sigsel_t sig)
{
int i = urj_tap_cable_add_queue_item (cable, &cable->todo);
if (i < 0)
return URJ_STATUS_FAIL; /* report failure */
cable->todo.data[i].action = URJ_TAP_CABLE_GET_SIGNAL;
cable->todo.data[i].arg.value.sig = sig;
urj_tap_cable_flush (cable, URJ_TAP_CABLE_OPTIONALLY);
return URJ_STATUS_OK; /* success */
}
void
urj_tap_cable_done (urj_cable_t *cable)
{
urj_tap_cable_flush (cable, URJ_TAP_CABLE_COMPLETELY);
if (cable->todo.data != NULL)
{
free (cable->todo.data);
free (cable->done.data);
}
cable->driver->done (cable);
}
int
urj_tap_cable_defer_set_signal (urj_cable_t *cable, int mask, int val)
{
int i = urj_tap_cable_add_queue_item (cable, &cable->todo);
if (i < 0)
return URJ_STATUS_FAIL; /* report failure */
cable->todo.data[i].action = URJ_TAP_CABLE_SET_SIGNAL;
cable->todo.data[i].arg.value.mask = mask;
cable->todo.data[i].arg.value.val = val;
urj_tap_cable_flush (cable, URJ_TAP_CABLE_OPTIONALLY);
return URJ_STATUS_OK; /* success */
}
int
urj_tap_cable_defer_clock (urj_cable_t *cable, int tms, int tdi, int n)
{
int i = urj_tap_cable_add_queue_item (cable, &cable->todo);
if (i < 0)
return URJ_STATUS_FAIL; /* report failure */
cable->todo.data[i].action = URJ_TAP_CABLE_CLOCK;
cable->todo.data[i].arg.clock.tms = tms;
cable->todo.data[i].arg.clock.tdi = tdi;
cable->todo.data[i].arg.clock.n = n;
urj_tap_cable_flush (cable, URJ_TAP_CABLE_OPTIONALLY);
return URJ_STATUS_OK; /* success */
}
/**
* Use UrJTAG's driver to write 32-bit data (int type).
* MOSI (Master Output Slave Input) is a SWD Write Operation.
* \param *libswdctx swd context to work on.
* \param *cmd point to the actual command being sent.
* \param *data points to the char buffer array.
* \bits tells how many bits to send (at most 32).
* \bits nLSBfirst tells the shift direction: 0 = LSB first, other MSB first.
* \return data count transferred, or negative LIBSWD_ERROR code on failure.
*/
int libswd_drv_mosi_32(libswd_ctx_t *libswdctx, libswd_cmd_t *cmd, int *data, int bits, int nLSBfirst){
if (data==NULL) return LIBSWD_ERROR_NULLPOINTER;
if (bits<0 && bits>8) return LIBSWD_ERROR_PARAM;
if (nLSBfirst!=0 && nLSBfirst!=1) return LIBSWD_ERROR_PARAM;
static unsigned int i;
static signed int res;
static char misodata[32], mosidata[32];
//UrJTAG drivers shift data LSB-First.
for (i=0;i<32;i++) mosidata[(nLSBfirst==LIBSWD_DIR_LSBFIRST)?(i):(31-i)]=((1<<i)&(*data))?1:0;
res=urj_tap_cable_transfer((urj_cable_t *)libswdctx->driver->device, bits, mosidata, misodata);
if (res<0) return LIBSWD_ERROR_DRIVER;
urj_tap_cable_flush((urj_cable_t *)libswdctx->driver->device, URJ_TAP_CABLE_COMPLETELY);
return i;
}
/**
* Use UrJTAG's driver to read 32-bit data (int type).
* MISO (Master Input Slave Output) is a SWD Read Operation.
* \param *libswdctx swd context to work on.
* \param *cmd point to the actual command being sent.
* \param *data points to the char buffer array.
* \bits tells how many bits to send (at most 32).
* \bits nLSBfirst tells the shift direction: 0 = LSB first, other MSB first.
* \return data count transferred, or negative LIBSWD_ERROR code on failure.
*/
int libswd_drv_miso_32(libswd_ctx_t *libswdctx, libswd_cmd_t *cmd, int *data, int bits, int nLSBfirst){
if (data==NULL) return LIBSWD_ERROR_NULLPOINTER;
if (bits<0 && bits>8) return LIBSWD_ERROR_PARAM;
if (nLSBfirst!=0 && nLSBfirst!=1) return LIBSWD_ERROR_PARAM;
static unsigned int i;
static signed int res;
static char misodata[32], mosidata[32];
res=urj_tap_cable_transfer((urj_cable_t *)libswdctx->driver->device, bits, mosidata, misodata);
if (res<0) return LIBSWD_ERROR_DRIVER;
urj_tap_cable_flush((urj_cable_t *)libswdctx->driver->device, URJ_TAP_CABLE_COMPLETELY);
//Now we need to reconstruct the data byte from shifted in LSBfirst byte array.
*data=0;
for (i=0;i<bits;i++) *data|=(misodata[(nLSBfirst==LIBSWD_DIR_LSBFIRST)?(bits-1-i):(i)]?(1<<i):0);
return i;
}
int
urj_tap_cable_defer_transfer (urj_cable_t *cable, int len, char *in,
char *out)
{
char *ibuf, *obuf = NULL;
int i;
ibuf = malloc (len);
if (ibuf == NULL)
{
urj_error_set (URJ_ERROR_OUT_OF_MEMORY, "malloc(%zd) fails",
(size_t) len);
return URJ_STATUS_FAIL;
}
if (out)
{
obuf = malloc (len);
if (obuf == NULL)
{
free (ibuf);
urj_error_set (URJ_ERROR_OUT_OF_MEMORY, "malloc(%zd) fails",
(size_t) len);
return URJ_STATUS_FAIL;
}
}
i = urj_tap_cable_add_queue_item (cable, &cable->todo);
if (i < 0)
{
free (ibuf);
if (obuf)
free (obuf);
return URJ_STATUS_FAIL; /* report failure */
}
cable->todo.data[i].action = URJ_TAP_CABLE_TRANSFER;
cable->todo.data[i].arg.transfer.len = len;
if (in)
memcpy (ibuf, in, len);
cable->todo.data[i].arg.transfer.in = ibuf;
cable->todo.data[i].arg.transfer.out = obuf;
urj_tap_cable_flush (cable, URJ_TAP_CABLE_OPTIONALLY);
return URJ_STATUS_OK; /* success */
}
int
urj_tap_cable_get_tdo_late (urj_cable_t *cable)
{
int i;
urj_tap_cable_flush (cable, URJ_TAP_CABLE_TO_OUTPUT);
i = urj_tap_cable_get_queue_item (cable, &cable->done);
if (i >= 0)
{
if (cable->done.data[i].action != URJ_TAP_CABLE_GET_TDO)
{
urj_warning (
_("Internal error: Got wrong type of result from queue (%d? %p.%d)\n"),
cable->done.data[i].action, &cable->done, i);
urj_tap_cable_purge_queue (&cable->done, 1);
}
else
{
return cable->done.data[i].arg.value.val;
}
}
return cable->driver->get_tdo (cable);
}
int
urj_tap_cable_transfer_late (urj_cable_t *cable, char *out)
{
int i;
urj_tap_cable_flush (cable, URJ_TAP_CABLE_TO_OUTPUT);
i = urj_tap_cable_get_queue_item (cable, &cable->done);
if (i >= 0 && cable->done.data[i].action == URJ_TAP_CABLE_TRANSFER)
{
#if 0
urj_log (URJ_LOG_LEVEL_DEBUG, "Got queue item (%p.%d) len=%d out=%p\n",
&cable->done, i,
cable->done.data[i].arg.xferred.len,
cable->done.data[i].arg.xferred.out);
#endif
if (out)
memcpy (out,
cable->done.data[i].arg.xferred.out,
cable->done.data[i].arg.xferred.len);
free (cable->done.data[i].arg.xferred.out);
return cable->done.data[i].arg.xferred.res;
}
if (cable->done.data[i].action != URJ_TAP_CABLE_TRANSFER)
{
urj_warning (
_("Internal error: Got wrong type of result from queue (#%d %p.%d)\n"),
cable->done.data[i].action, &cable->done, i);
urj_tap_cable_purge_queue (&cable->done, 1);
}
else
{
urj_warning (
_("Internal error: Wanted transfer result but none was queued\n"));
}
return 0;
}
void
urj_tap_cable_set_frequency (urj_cable_t *cable, uint32_t new_frequency)
{
urj_tap_cable_flush (cable, URJ_TAP_CABLE_COMPLETELY);
cable->driver->set_frequency (cable, new_frequency);
}
int
urj_tap_cable_transfer (urj_cable_t *cable, int len, char *in, char *out)
{
urj_tap_cable_flush (cable, URJ_TAP_CABLE_COMPLETELY);
return cable->driver->transfer (cable, len, in, out);
}
int
urj_tap_cable_get_signal (urj_cable_t *cable, urj_pod_sigsel_t sig)
{
urj_tap_cable_flush (cable, URJ_TAP_CABLE_COMPLETELY);
return cable->driver->get_signal (cable, sig);
}
int
urj_tap_cable_set_signal (urj_cable_t *cable, int mask, int val)
{
urj_tap_cable_flush (cable, URJ_TAP_CABLE_COMPLETELY);
return cable->driver->set_signal (cable, mask, val);
}
void
urj_tap_chain_flush (urj_chain_t *chain)
{
if (chain->cable != NULL)
urj_tap_cable_flush (chain->cable, URJ_TAP_CABLE_COMPLETELY);
}
int
urj_tap_cable_get_tdo (urj_cable_t *cable)
{
urj_tap_cable_flush (cable, URJ_TAP_CABLE_COMPLETELY);
return cable->driver->get_tdo (cable);
}
void
urj_tap_cable_clock (urj_cable_t *cable, int tms, int tdi, int n)
{
urj_tap_cable_flush (cable, URJ_TAP_CABLE_COMPLETELY);
cable->driver->clock (cable, tms, tdi, n);
}