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Scsimon improvements (#74)
* Updated scsimon to save data on a nano-second time scale, instead of micro-second * Cleanup error messages and data types Co-authored-by: Tony Kuker <akuker@gmail.com>
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350010462c
@ -124,6 +124,7 @@
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typedef unsigned char BYTE;
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typedef unsigned short WORD;
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typedef unsigned long DWORD;
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typedef unsigned long long QWORD;
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typedef int BOOL;
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typedef char TCHAR;
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typedef char *LPTSTR;
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@ -56,11 +56,18 @@ static volatile BOOL active; // Processing flag
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GPIOBUS *bus; // GPIO Bus
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typedef struct data_capture{
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DWORD data;
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timeval timestamp;
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QWORD timestamp;
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} data_capture_t;
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data_capture data_buffer[MAX_BUFF_SIZE];
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int data_idx = 0;
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DWORD data_idx = 0;
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double ns_per_loop;
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// We don't really need to support 256 character file names - this causes
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// all kinds of compiler warnings when the log filename can be up to 256
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// characters. _MAX_FNAME/2 is just an arbitrary value.
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char log_file_name[_MAX_FNAME/2] = "log.vcd";
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//---------------------------------------------------------------------------
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//
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@ -89,17 +96,17 @@ void Banner(int argc, char* argv[])
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LOGINFO("Copyright (C) 2016-2020 GIMONS");
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LOGINFO("Copyright (C) 2020 akuker");
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LOGINFO("Connect type : %s", CONNECT_DESC);
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LOGINFO(" log.vcd - Value Change Dump file that can be opened with GTKWave");
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LOGINFO(" %s - Value Change Dump file that can be opened with GTKWave", log_file_name);
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if ((argc > 1 && strcmp(argv[1], "-h") == 0) ||
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(argc > 1 && strcmp(argv[1], "--help") == 0)){
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LOGINFO("Usage: %s ...", argv[0]);
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LOGINFO("Usage: %s [log filename]...", argv[0]);
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exit(0);
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}
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else
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{
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LOGINFO(" ");
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LOGINFO("Current running & collecting data. Press CTRL-C to stop.")
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LOGINFO("Now collecting data.... Press CTRL-C to stop.")
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LOGINFO(" ");
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}
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}
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@ -150,14 +157,14 @@ BYTE get_data_field(DWORD data)
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{
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DWORD data_out;
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data_out =
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((data >> (PIN_DT0 - 0)) & (1 << 0)) |
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((data >> (PIN_DT1 - 1)) & (1 << 1)) |
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((data >> (PIN_DT2 - 2)) & (1 << 2)) |
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((data >> (PIN_DT3 - 3)) & (1 << 3)) |
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((data >> (PIN_DT4 - 4)) & (1 << 4)) |
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((data >> (PIN_DT5 - 5)) & (1 << 5)) |
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((data >> (PIN_DT6 - 6)) & (1 << 6)) |
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((data >> (PIN_DT7 - 7)) & (1 << 7));
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((data >> (PIN_DT0 - 0)) & (1 << 7)) |
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((data >> (PIN_DT1 - 1)) & (1 << 6)) |
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((data >> (PIN_DT2 - 2)) & (1 << 5)) |
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((data >> (PIN_DT3 - 3)) & (1 << 4)) |
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((data >> (PIN_DT4 - 4)) & (1 << 3)) |
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((data >> (PIN_DT5 - 5)) & (1 << 2)) |
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((data >> (PIN_DT6 - 6)) & (1 << 1)) |
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((data >> (PIN_DT7 - 7)) & (1 << 0));
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return (BYTE)data_out;
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}
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@ -189,14 +196,14 @@ void vcd_output_if_changed_byte(FILE *fp, DWORD data, int pin, char symbol)
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{
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prev_value[pin] = new_value;
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fprintf(fp, "b%d%d%d%d%d%d%d%d %c\n",
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get_pin_value(data,PIN_DT0),
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get_pin_value(data,PIN_DT1),
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get_pin_value(data,PIN_DT2),
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get_pin_value(data,PIN_DT3),
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get_pin_value(data,PIN_DT4),
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get_pin_value(data,PIN_DT5),
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get_pin_value(data,PIN_DT7),
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get_pin_value(data,PIN_DT6),
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get_pin_value(data,PIN_DT7), symbol);
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get_pin_value(data,PIN_DT5),
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get_pin_value(data,PIN_DT4),
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get_pin_value(data,PIN_DT3),
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get_pin_value(data,PIN_DT2),
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get_pin_value(data,PIN_DT1),
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get_pin_value(data,PIN_DT0), symbol);
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}
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}
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@ -206,13 +213,11 @@ void create_value_change_dump()
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{
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time_t rawtime;
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struct tm * timeinfo;
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int i = 0;
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timeval time_diff;
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DWORD i = 0;
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char timestamp[256];
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FILE *fp;
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timeval start_time = data_buffer[0].timestamp;
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LOGINFO("Creating Value Change Dump file (log.vcd)\n");
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fp = fopen("log.vcd","w");
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LOGINFO("Creating Value Change Dump file (%s)", log_file_name);
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fp = fopen(log_file_name,"w");
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// Get the current time
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time (&rawtime);
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@ -226,9 +231,9 @@ void create_value_change_dump()
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fprintf(fp, " VCD generator tool version info text.\n");
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fprintf(fp, "$end\n");
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fprintf(fp, "$comment\n");
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fprintf(fp, " Any comment text.\n");
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fprintf(fp, " Tool build date:%s\n", __TIMESTAMP__);
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fprintf(fp, "$end\n");
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fprintf(fp, "$timescale 1 us $end\n");
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fprintf(fp, "$timescale 1 ns $end\n");
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fprintf(fp, "$scope module logic $end\n");
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fprintf(fp, "$var wire 1 %c BSY $end\n", SYMBOL_PIN_BSY);
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fprintf(fp, "$var wire 1 %c SEL $end\n", SYMBOL_PIN_SEL);
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@ -260,8 +265,7 @@ void create_value_change_dump()
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while(i < data_idx)
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{
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timersub(&(data_buffer[i].timestamp), &start_time, &time_diff);
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fprintf(fp, "#%ld\n",((time_diff.tv_sec*1000000) + time_diff.tv_usec));
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fprintf(fp, "#%llu\n",(QWORD)(data_buffer[i].timestamp*ns_per_loop));
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vcd_output_if_changed_bool(fp, data_buffer[i].data, PIN_BSY, SYMBOL_PIN_BSY);
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vcd_output_if_changed_bool(fp, data_buffer[i].data, PIN_SEL, SYMBOL_PIN_SEL);
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vcd_output_if_changed_bool(fp, data_buffer[i].data, PIN_CD, SYMBOL_PIN_CD);
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@ -288,7 +292,7 @@ void create_value_change_dump()
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void Cleanup()
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{
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LOGINFO("Stoping data collection....\n");
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LOGINFO("Stopping data collection....");
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create_value_change_dump();
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// Cleanup the Bus
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@ -353,8 +357,34 @@ int main(int argc, char* argv[])
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DWORD this_sample = 0;
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int ret;
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struct sched_param schparam;
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timeval start_time, stop_time;
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QWORD loop_count = 0;
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timeval time_diff;
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QWORD elapsed_us;
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int str_len;
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// If there is an argument specified and it is NOT -h or --help
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if((argc > 1) && (strcmp(argv[1], "-h")) && (strcmp(argv[1], "--help"))){
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str_len = strlen(argv[1]);
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if ((str_len >= 1) && (str_len < _MAX_FNAME))
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{
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strncpy(log_file_name, argv[1], sizeof(log_file_name));
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// Append .vcd if its not already there
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if((str_len < 4) || strcasecmp(log_file_name + (str_len - 4), ".vcd")) {
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strcat(log_file_name, ".vcd");
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}
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}
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else
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{
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printf("Invalid log name specified. Using log.vcd");
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}
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}
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#ifdef DEBUG
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spdlog::set_level(spdlog::level::trace);
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#else
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spdlog::set_level(spdlog::level::info);
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#endif
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spdlog::set_pattern("%^[%l]%$ %v");
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// Output the Banner
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Banner(argc, argv);
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@ -381,11 +411,24 @@ int main(int argc, char* argv[])
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running = TRUE;
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bus->SetACT(FALSE);
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(void)gettimeofday(&start_time, NULL);
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LOGDEBUG("ALL_SCSI_PINS %08X\n",ALL_SCSI_PINS);
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// Main Loop
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while (running) {
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// Work initialization
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this_sample = (bus->Aquire() & ALL_SCSI_PINS);
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loop_count++;
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if(loop_count > LLONG_MAX -1)
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{
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LOGINFO("Maximum amount of time has elapsed. SCSIMON is terminating.");
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running=false;
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}
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if(data_idx >= (MAX_BUFF_SIZE-2))
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{
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LOGINFO("Internal data buffer is full. SCSIMON is terminating.");
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running=false;
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}
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if(this_sample != prev_sample)
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{
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@ -401,16 +444,39 @@ int main(int argc, char* argv[])
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}
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prev_high = high_bits;
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prev_low = low_bits;
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if((data_idx % 1000) == 0){
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LOGDEBUG("Collected %lu samples...", data_idx);
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}
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#endif
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data_buffer[data_idx].data = this_sample;
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(void)gettimeofday(&(data_buffer[data_idx].timestamp), NULL);
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data_idx = (data_idx + 1) % MAX_BUFF_SIZE;
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data_buffer[data_idx].timestamp = loop_count;
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data_idx++;
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prev_sample = this_sample;
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}
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continue;
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}
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// Collect one last sample, otherwise it looks like the end of the data was cut off
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if(data_idx < MAX_BUFF_SIZE)
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{
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data_buffer[data_idx].data = this_sample;
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data_buffer[data_idx].timestamp = loop_count;
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data_idx++;
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}
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(void)gettimeofday(&stop_time, NULL);
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timersub(&stop_time, &start_time, &time_diff);
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elapsed_us = ((time_diff.tv_sec*1000000) + time_diff.tv_usec);
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LOGINFO("Elapsed time: %llu microseconds (%lf seconds)",elapsed_us, ((double)elapsed_us)/1000000);
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LOGINFO("Collected %lu changes", data_idx);
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// Note: ns_per_loop is a global variable that is used by Cleanup() to printout the timestamps.
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ns_per_loop = (elapsed_us * 1000) / (double)loop_count;
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LOGINFO("Read the SCSI bus %llu times with an average of %lu ns for each read", loop_count, (DWORD)ns_per_loop);
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// Cleanup
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Cleanup();
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