+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2016 danselmi <da@da>
+ *
+ * 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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#ifdef _WIN32
+#define _WIN32_WINNT 0x0501
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#endif
+//#include <glib.h>
+#include <string.h>
+#include <unistd.h>
+#ifndef _WIN32
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#endif
+#include <errno.h>
+#include "protocol.h"
+
+#define BUFFER_SIZE 4
+
+
+#define Start 0xFE
+#define reset 0xAB
+#define IPDBG_LA_ID 0xBB
+#define Escape 0x55
+
+
+/* Command opcodes */
+#define set_trigger 0x00
+#define Trigger 0xF0
+#define LA 0x0F
+#define Masks 0xF1
+#define Mask 0xF3
+#define Value 0xF7
+#define Last_Masks 0xF9
+#define Mask_last 0xFB
+#define Value_last 0xFF
+#define delay 0x1F
+#define K_Mauslesen 0xAA
+
+
+SR_PRIV int sendEscaping(struct ipdbg_org_la_tcp *tcp, char *dataToSend, int length);
+
+SR_PRIV struct ipdbg_org_la_tcp *ipdbg_org_la_new_tcp(void)
+{
+ struct ipdbg_org_la_tcp *tcp;
+
+ tcp = g_malloc0(sizeof(struct ipdbg_org_la_tcp));
+
+ tcp->address = NULL;
+ tcp->port = NULL;
+ tcp->socket = -1;
+
+ return tcp;
+}
+
+SR_PRIV int ipdbg_org_la_tcp_open(struct ipdbg_org_la_tcp *tcp)
+{
+ struct addrinfo hints;
+ struct addrinfo *results, *res;
+ int err;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+
+ err = getaddrinfo(tcp->address, tcp->port, &hints, &results);
+
+ if (err) {
+ sr_err("Address lookup failed: %s:%s: %s", tcp->address, tcp->port,
+ gai_strerror(err));
+ return SR_ERR;
+ }
+
+ for (res = results; res; res = res->ai_next) {
+ if ((tcp->socket = socket(res->ai_family, res->ai_socktype,
+ res->ai_protocol)) < 0)
+ continue;
+ if (connect(tcp->socket, res->ai_addr, res->ai_addrlen) != 0) {
+ close(tcp->socket);
+ tcp->socket = -1;
+ continue;
+ }
+ break;
+ }
+
+ freeaddrinfo(results);
+
+ if (tcp->socket < 0) {
+ sr_err("Failed to connect to %s:%s: %s", tcp->address, tcp->port,
+ g_strerror(errno));
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int ipdbg_org_la_tcp_send(struct ipdbg_org_la_tcp *tcp, const uint8_t *buf, size_t len)
+{
+ int out;
+
+ out = send(tcp->socket, buf, len, 0);
+
+ if (out < 0) {
+ sr_err("Send error: %s", g_strerror(errno));
+ return SR_ERR;
+ }
+
+ if ((unsigned int)out < len) {
+ sr_dbg("Only sent %d/%d bytes of data.", out, (int)len);
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int ipdbg_org_la_tcp_receive(struct ipdbg_org_la_tcp *tcp, uint8_t *buf, int bufsize)
+{
+ int received = 0;
+
+ while(received < bufsize)
+ {
+
+ int len;
+
+ len = recv(tcp->socket, buf+received, bufsize-received, 0);
+
+ if (len < 0) {
+ sr_err("Receive error: %s", g_strerror(errno));
+ return SR_ERR;
+ }
+ else
+ {
+ received += len;
+ }
+ }
+
+ return received;
+}
+
+SR_PRIV int ipdbg_org_la_tcp_close(struct ipdbg_org_la_tcp *tcp)
+{
+ int ret = SR_ERR;
+ if (close(tcp->socket) >= 0)
+ ret = SR_OK;
+
+ tcp->socket = -1;
+
+ return ret;
+}
+
+SR_PRIV void ipdbg_org_la_tcp_free(struct ipdbg_org_la_tcp *tcp)
+{
+ g_free(tcp->address);
+ g_free(tcp->port);
+}
+
+SR_PRIV int ipdbg_org_la_convert_trigger(const struct sr_dev_inst *sdi)
+{
+ struct ipdbg_org_la_dev_context *devc;
+ struct sr_trigger *trigger;
+ struct sr_trigger_stage *stage;
+ struct sr_trigger_match *match;
+ const GSList *l, *m;
+
+ devc = sdi->priv;
+
+ devc->num_stages = 0;
+ devc->num_transfers = 0;
+ devc->raw_sample_buf = NULL; /// name convert_trigger to init acquisition...
+ for (int i = 0; i < devc->DATA_WIDTH_BYTES; i++) // Hier werden die Trigger-Variabeln 0 gesetzt!
+ {
+ devc->trigger_mask[i] = 0;
+ devc->trigger_value[i] = 0;
+ devc->trigger_mask_last[i] = 0;
+ devc->trigger_value_last[i] = 0;
+ }
+ sr_err("\nDATA_WITH_BYTES:%i\n",devc->DATA_WIDTH_BYTES);
+
+// devc->trigger_value[0] = 0x00;
+// devc->trigger_value_last[0] = 0xff;
+// devc->trigger_mask[0] = 0xff;
+// devc->trigger_mask_last[0] = 0xff;
+
+
+ if (!(trigger = sr_session_trigger_get(sdi->session))) //
+ {
+ return SR_OK;
+ }
+
+
+ devc->num_stages = g_slist_length(trigger->stages);
+ if (devc->num_stages != devc->DATA_WIDTH_BYTES)
+ {
+
+ sr_err("\nThis device only supports %d trigger stages.",
+ devc->DATA_WIDTH_BYTES);
+
+ return SR_ERR;
+ }
+
+ for (l = trigger->stages; l; l = l->next)
+ {
+ stage = l->data;
+ for (m = stage->matches; m; m = m->next)
+ {
+ match = m->data;
+ unsigned int byteIndex = (match->channel->index) /8;
+ unsigned char matchPattern = 1 << (match->channel->index - 8* byteIndex);
+ //zeroTrigger |= matchPattern;
+ //sr_err("\n\nzerotrigger:%x\n\n",zeroTrigger);
+ //sr_err("\nbyteIndex:%i",byteIndex);
+ //sr_err("\nmatch Pattern:%i\n",matchPattern);
+
+ if (!match->channel->enabled)
+ /* Ignore disabled channels with a trigger. */
+ continue;
+ if (match->match == SR_TRIGGER_ONE )
+ {
+ devc->trigger_value[byteIndex] |= matchPattern;
+ devc->trigger_mask[byteIndex] |= matchPattern;
+ devc->trigger_mask_last[byteIndex] &= ~matchPattern;
+ //sr_err("\n========ONE MASK===========");
+
+ }
+ else if (match->match == SR_TRIGGER_ZERO)
+ {
+ devc->trigger_value[byteIndex] &= ~matchPattern;
+ devc->trigger_mask[byteIndex] |= matchPattern;
+ devc->trigger_mask_last[byteIndex] &= ~matchPattern;
+ //sr_err("\n========ZERO MASK===========");
+ }
+ else if ( match->match == SR_TRIGGER_RISING)
+ {
+ devc->trigger_value[byteIndex] |= matchPattern;
+ devc->trigger_value_last[byteIndex] &= ~matchPattern;
+ devc->trigger_mask[byteIndex] |= matchPattern;
+ devc->trigger_mask_last[byteIndex] |= matchPattern;
+ //sr_err("\n==========RISING===========");
+
+ }
+ else if (match->match == SR_TRIGGER_FALLING )
+ {
+ devc->trigger_value[byteIndex] &= ~matchPattern;
+ devc->trigger_value_last[byteIndex] |= matchPattern;
+ devc->trigger_mask[byteIndex] |= matchPattern;
+ devc->trigger_mask_last[byteIndex] |= matchPattern;
+ //sr_err("\n========FALlING===========");
+ }
+
+ }
+
+ }
+
+// sr_err("\n VAL LAST:%x\n",devc->trigger_value_last[0]);
+// sr_err("\n VAL:%x\n",devc->trigger_value[0]);
+// sr_err("\n MASK:%x\n",devc->trigger_mask[0]);
+// sr_err("\n MASK LAST:%x\n",devc->trigger_mask_last[0]);
+
+ return SR_OK;
+}
+
+SR_PRIV int ipdbg_org_la_receive_data(int fd, int revents, void *cb_data)
+{
+ //sr_err("receive Data0\n");
+
+
+ const struct sr_dev_inst *sdi;
+ struct ipdbg_org_la_dev_context *devc;
+
+
+
+ (void)fd;
+ (void)revents;
+
+ sdi = (const struct sr_dev_inst *)cb_data;
+ if (!sdi)
+ {
+ return FALSE;
+ }
+ //sr_err("receive Data1\n");
+
+ if (!(devc = sdi->priv))
+ {
+ return FALSE;
+
+ }
+ //sr_err("receive Data2\n");
+
+
+ struct ipdbg_org_la_tcp *tcp = sdi->conn;
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_logic logic;
+
+
+
+ /*sr_warn("---");
+ if (devc->num_transfers == 0 && revents == 0)
+ { //
+ sr_warn("warten auf Eingangsdaten");
+ // Ignore timeouts as long as we haven't received anything
+ return TRUE;
+ }*/
+
+ if (!devc->raw_sample_buf)
+ {
+ //sr_warn("allocating buffer");
+ devc->raw_sample_buf = g_try_malloc(devc->limit_samples*devc->DATA_WIDTH_BYTES);
+
+ if (!devc->raw_sample_buf) {
+ sr_warn("Sample buffer malloc failed.");
+ return FALSE;
+ }
+
+ }
+
+
+ if (devc->num_transfers < devc->limit_samples_max*devc->DATA_WIDTH_BYTES)
+ {
+ sr_err("1");
+ unsigned char byte;
+
+
+ if (ipdbg_org_la_tcp_receive(tcp, &byte, 1) == 1)
+ {
+ if(devc->num_transfers < devc->limit_samples*devc->DATA_WIDTH_BYTES)
+ devc->raw_sample_buf[devc->num_transfers] = byte;
+ devc->num_transfers++;
+ }
+
+ }
+ else
+ {
+ sr_err("Received %d bytes", devc->num_transfers);
+
+ sr_dbg("Received %d bytes.", devc->num_transfers);
+
+ if (devc->delay_value > 0) {
+ /* There are pre-trigger samples, send those first. */
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ //logic.length = devc->delay_value-1;
+ logic.length = devc->delay_value*devc->DATA_WIDTH_BYTES;
+ logic.unitsize = devc->DATA_WIDTH_BYTES;
+ logic.data = devc->raw_sample_buf;
+ sr_session_send(cb_data, &packet);
+ }
+
+ /* Send the trigger. */
+ packet.type = SR_DF_TRIGGER;
+ sr_session_send(cb_data, &packet);
+
+ /* Send post-trigger samples. */
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ //logic.length = devc->limit_samples - devc->delay_value+1;
+ logic.length = (devc->limit_samples - devc->delay_value)*devc->DATA_WIDTH_BYTES;
+ logic.unitsize = devc->DATA_WIDTH_BYTES;
+ logic.data = devc->raw_sample_buf + devc->delay_value*devc->DATA_WIDTH_BYTES;
+ //logic.data = devc->raw_sample_buf + devc->delay_value-1;
+ sr_session_send(cb_data, &packet);
+
+ g_free(devc->raw_sample_buf);
+ devc->raw_sample_buf = NULL;
+
+ //serial_flush(serial);
+ ipdbg_org_la_abort_acquisition(sdi);//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ }
+
+ return TRUE;
+}
+
+SR_PRIV int ipdbg_org_la_sendDelay(struct ipdbg_org_la_dev_context *devc, struct ipdbg_org_la_tcp *tcp)
+{
+ //sr_warn("delay");
+
+ int maxSample;
+
+ maxSample = //0x1 << (devc->ADDR_WIDTH);
+ devc->limit_samples;
+
+ devc->delay_value = (maxSample/100.0) * devc->capture_ratio;
+ uint8_t Befehl[1];
+ Befehl[0] = LA;
+ ipdbg_org_la_tcp_send(tcp, Befehl, 1);
+ Befehl[0] = delay;
+ ipdbg_org_la_tcp_send(tcp, Befehl, 1);
+
+ //sr_warn("delay 2");
+
+
+ char buf[4] = { devc->delay_value & 0x000000ff,
+ (devc->delay_value >> 8) & 0x000000ff,
+ (devc->delay_value >> 16) & 0x000000ff,
+ (devc->delay_value >> 24) & 0x000000ff};
+
+ sendEscaping(tcp, buf, devc->ADDR_WIDTH_BYTES);
+
+ //sr_warn("send delay_value: 0x%.2x", devc->delay_value);
+
+ return SR_OK;
+}
+
+SR_PRIV int ipdbg_org_la_sendTrigger(struct ipdbg_org_la_dev_context *devc, struct ipdbg_org_la_tcp *tcp)
+{
+ /////////////////////////////////////////////Mask////////////////////////////////////////////////////////////
+ uint8_t buf[1];
+ buf[0] = Trigger;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+ buf[0] = Masks;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+ buf[0] = Mask;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+
+ sendEscaping(tcp, devc->trigger_mask, devc->DATA_WIDTH_BYTES);
+
+ //sr_warn("send trigger_mask: %x", devc->trigger_mask[0]);
+
+
+ /////////////////////////////////////////////Value////////////////////////////////////////////////////////////
+ buf[0]= Trigger;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+ buf[0] = Masks;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+ buf[0] = Value;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+
+
+ sendEscaping(tcp, devc->trigger_value, devc->DATA_WIDTH_BYTES);
+
+ //sr_warn("send trigger_value: 0x%.2x", devc->trigger_value[0]);
+
+
+ /////////////////////////////////////////////Mask_last////////////////////////////////////////////////////////////
+ buf[0] = Trigger;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+ buf[0] = Last_Masks;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+ buf[0] = Mask_last;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+
+
+ sendEscaping(tcp, devc->trigger_mask_last, devc->DATA_WIDTH_BYTES);
+
+
+ //sr_warn("send trigger_mask_last: 0x%.2x", devc->trigger_mask_last[0]);
+
+
+ /////////////////////////////////////////////Value_last////////////////////////////////////////////////////////////
+ buf[0] = Trigger;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+ buf[0]= Last_Masks;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+ buf[0]= Value_last;
+ ipdbg_org_la_tcp_send(tcp, buf, 1);
+
+
+ sendEscaping(tcp, devc->trigger_value_last, devc->DATA_WIDTH_BYTES);
+
+
+ //sr_warn("send trigger_value_last: 0x%.2x", devc->trigger_value_last[0]);
+
+ return SR_OK;
+}
+
+SR_PRIV int sendEscaping(struct ipdbg_org_la_tcp *tcp, char *dataToSend, int length)
+{
+
+ while(length--)
+ {
+ uint8_t payload = *dataToSend++;
+ //sr_warn("payload %d", payload);
+
+ //sr_warn("send really");
+
+ if ( payload == (uint8_t)reset )
+ {
+ uint8_t escapeSymbol = Escape;
+ sr_warn("Escape");
+
+ if(ipdbg_org_la_tcp_send(tcp, &escapeSymbol, 1) != SR_OK)
+ sr_warn("can't send escape");
+
+
+ }
+
+ if ( payload == (char)Escape )
+ {
+ uint8_t escapeSymbol = Escape;
+ sr_warn("Escape");
+
+ if(ipdbg_org_la_tcp_send(tcp, &escapeSymbol, 1) != SR_OK)
+ sr_warn("can't send escape");
+ }
+
+ if (ipdbg_org_la_tcp_send(tcp, &payload, 1) != SR_OK)
+ {
+ sr_warn("Can't send data");
+ }
+ //sr_warn("length %d", length);
+
+ }
+ return SR_OK;
+}
+
+SR_PRIV void ipdbg_org_la_get_addrwidth_and_datawidth(struct ipdbg_org_la_tcp *tcp, struct ipdbg_org_la_dev_context *devc)
+{
+ //sr_err("getAddrAndDataWidth\n");
+ uint8_t buf[8];
+ uint8_t auslesen[1];
+ auslesen[0]= K_Mauslesen;
+
+ if(ipdbg_org_la_tcp_send(tcp, auslesen, 1) != SR_OK)
+ sr_warn("Can't send K_Mauslesen");
+ //g_usleep(RESPONSE_DELAY_US);
+
+
+
+ /// delay
+ if(ipdbg_org_la_tcp_receive(tcp, buf, 8) != 8)
+ sr_warn("getAddrAndDataWidth failed");
+
+ //sr_warn("getAddrAndDataWidth 0x%x:0x%x:0x%x:0x%x 0x%x:0x%x:0x%x:0x%x", buf[0],buf[1],buf[2],buf[3],buf[4],buf[5],buf[6],buf[7]);
+
+ devc->DATA_WIDTH = buf[0] & 0x000000FF;
+ devc->DATA_WIDTH |= (buf[1] << 8) & 0x0000FF00;
+ devc->DATA_WIDTH |= (buf[2] << 16) & 0x00FF0000;
+ devc->DATA_WIDTH |= (buf[3] << 24) & 0xFF000000;
+
+ devc->ADDR_WIDTH = buf[4] & 0x000000FF;
+ devc->ADDR_WIDTH |= (buf[5] << 8) & 0x0000FF00;
+ devc->ADDR_WIDTH |= (buf[6] << 16) & 0x00FF0000;
+ devc->ADDR_WIDTH |= (buf[7] << 24) & 0xFF000000;
+
+
+
+ //sr_warn("Datawidth: %d Addrwdth : %d", devc->DATA_WIDTH, devc->ADDR_WIDTH);
+
+ int HOST_WORD_SIZE = 8; // bits/ word
+
+ devc->DATA_WIDTH_BYTES = (devc->DATA_WIDTH+HOST_WORD_SIZE -1)/HOST_WORD_SIZE;
+ devc->ADDR_WIDTH_BYTES = (devc->ADDR_WIDTH+HOST_WORD_SIZE -1)/HOST_WORD_SIZE;
+ devc->limit_samples_max = (0x01 << devc->ADDR_WIDTH);
+ devc->limit_samples = (0x01 << HOST_WORD_SIZE);
+ //sr_warn("DATA_WIDTH_BYTES: %d ADDR_WIDTH_BYTES : %d", devc->DATA_WIDTH_BYTES, devc->ADDR_WIDTH_BYTES);
+
+
+
+ devc->trigger_mask = g_malloc0(devc->DATA_WIDTH_BYTES);
+ devc->trigger_value = g_malloc0(devc->DATA_WIDTH_BYTES);
+ devc->trigger_mask_last = g_malloc0(devc->DATA_WIDTH_BYTES);
+ devc->trigger_value_last = g_malloc0(devc->DATA_WIDTH_BYTES);
+
+
+}
+
+SR_PRIV struct ipdbg_org_la_dev_context *ipdbg_org_la_dev_new(void)
+{
+ struct ipdbg_org_la_dev_context *devc;
+
+ devc = g_malloc0(sizeof(struct ipdbg_org_la_dev_context));
+
+
+ devc->capture_ratio = 50;
+ ///devc->num_bytes = 0;
+
+ return devc;
+}
+
+SR_PRIV int ipdbg_org_la_sendReset(struct ipdbg_org_la_tcp *tcp)
+{
+ uint8_t buf[1];
+ buf[0]= reset;
+ if(ipdbg_org_la_tcp_send(tcp, buf, 1) != SR_OK)
+ sr_warn("Reset can't send");
+ return SR_OK;
+}
+
+SR_PRIV int ipdbg_org_la_requestID(struct ipdbg_org_la_tcp *tcp)
+{
+ uint8_t buf[1];
+ buf[0]= IPDBG_LA_ID;
+ if(ipdbg_org_la_tcp_send(tcp, buf, 1) != SR_OK)
+ sr_warn("IDBG can't send");
+
+ char ID[4];
+ if(ipdbg_org_la_tcp_receive(tcp, (uint8_t*)ID, 4) != 4)
+ {
+ sr_warn("IDBG can't read");
+ }
+
+
+ if (strncmp(ID, "IDBG", 4)) {
+ sr_err("Invalid reply (expected 'IDBG' '%c%c%c%c').", ID[0], ID[1], ID[2], ID[3]);
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV void ipdbg_org_la_abort_acquisition(const struct sr_dev_inst *sdi)
+{
+ struct sr_datafeed_packet packet;
+
+ struct ipdbg_org_la_tcp *tcp = sdi->conn;
+
+ sr_session_source_remove(sdi->session, tcp->socket);
+
+ /* Terminate session */
+ packet.type = SR_DF_END;
+ sr_session_send(sdi, &packet);
+}
+
+SR_PRIV int ipdbg_org_la_sendStart(struct ipdbg_org_la_tcp *tcp)
+{
+ uint8_t buf[1];
+ buf[0] = Start;
+
+ if(ipdbg_org_la_tcp_send(tcp, buf, 1) != SR_OK)
+ sr_warn("Reset can't send");
+ return SR_OK;
+}
+