static void stlink_usb_trace_disable(void *handle)
{
int res = ERROR_OK;
struct stlink_usb_handle_s *h = handle;
assert(handle != NULL);
assert(h->version.jtag >= STLINK_TRACE_MIN_VERSION);
LOG_DEBUG("Tracing: disable\n");
stlink_usb_init_buffer(handle, h->rx_ep, 2);
h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_COMMAND;
h->cmdbuf[h->cmdidx++] = STLINK_DEBUG_APIV2_STOP_TRACE_RX;
res = stlink_usb_xfer(handle, h->databuf, 2);
if (res == ERROR_OK) {
h->trace.enabled = false;
target_unregister_timer_callback(stlink_usb_trace_read_callback, handle);
}
}
static int jsp_connection_closed(struct connection *connection)
{
struct telnet_connection *t_con = connection->priv;
struct jsp_service *jsp_service = connection->service->priv;
if (t_con->prompt) {
free(t_con->prompt);
t_con->prompt = NULL;
}
int retval = target_unregister_timer_callback(&jsp_poll_read, jsp_service);
if (ERROR_OK != retval)
return retval;
if (connection->priv) {
free(connection->priv);
connection->priv = NULL;
} else
LOG_ERROR("BUG: connection->priv == NULL");
return ERROR_OK;
}
int armv7m_trace_tpiu_config(struct target *target)
{
struct armv7m_common *armv7m = target_to_armv7m(target);
struct armv7m_trace_config *trace_config = &armv7m->trace_config;
int prescaler;
int retval;
target_unregister_timer_callback(armv7m_poll_trace, target);
retval = adapter_config_trace(trace_config->config_type == INTERNAL,
trace_config->pin_protocol,
trace_config->port_size,
&trace_config->trace_freq);
if (retval != ERROR_OK)
return retval;
if (!trace_config->trace_freq) {
LOG_ERROR("Trace port frequency is 0, can't enable TPIU");
return ERROR_FAIL;
}
prescaler = trace_config->traceclkin_freq / trace_config->trace_freq;
if (trace_config->traceclkin_freq % trace_config->trace_freq) {
prescaler++;
int trace_freq = trace_config->traceclkin_freq / prescaler;
LOG_INFO("Can not obtain %u trace port frequency from %u TRACECLKIN frequency, using %u instead",
trace_config->trace_freq, trace_config->traceclkin_freq,
trace_freq);
trace_config->trace_freq = trace_freq;
retval = adapter_config_trace(trace_config->config_type == INTERNAL,
trace_config->pin_protocol,
trace_config->port_size,
&trace_config->trace_freq);
if (retval != ERROR_OK)
return retval;
}
retval = target_write_u32(target, TPIU_CSPSR, 1 << trace_config->port_size);
if (retval != ERROR_OK)
return retval;
retval = target_write_u32(target, TPIU_ACPR, prescaler - 1);
if (retval != ERROR_OK)
return retval;
retval = target_write_u32(target, TPIU_SPPR, trace_config->pin_protocol);
if (retval != ERROR_OK)
return retval;
uint32_t ffcr;
retval = target_read_u32(target, TPIU_FFCR, &ffcr);
if (retval != ERROR_OK)
return retval;
if (trace_config->formatter)
ffcr |= (1 << 1);
else
ffcr &= ~(1 << 1);
retval = target_write_u32(target, TPIU_FFCR, ffcr);
if (retval != ERROR_OK)
return retval;
if (trace_config->config_type == INTERNAL)
target_register_timer_callback(armv7m_poll_trace, 1, 1, target);
target_call_event_callbacks(target, TARGET_EVENT_TRACE_CONFIG);
return ERROR_OK;
}
