void OSD::init()
{
uint8_t x;
detect_mode();
spi->take_spi_right(&spi_dev_max7456);
cs->reset(); //select chip
//read black level register
spi->write(MAX7456_OSDBL_reg_read);//black level read register
uint8_t osdbl_r = spi->read();
spi->write(MAX7456_VM0_reg);
spi->write(MAX7456_RESET | video_mode);
delay_us(100);
//set black level
uint8_t osdbl_w = (osdbl_r & 0xef); //Set bit 4 to zero 11101111
spi->write(MAX7456_OSDBL_reg); //black level write register
spi->write(osdbl_w);
// set all rows to same charactor white level, 90%
for (x = 0; x < MAX7456_screen_rows; x++)
{
spi->write(x + 0x10);
spi->write(MAX7456_WHITE_level_120);
}
// define sync (auto,int,ext) and
// making sure the Max7456 is enabled
control(1);
spi->release_spi_right();
}
static int globusf_read(BIO *b, char *out, int outl)
{
int ret = 0;
ret = readb(b, out, outl);
if (ret >= 4) {
if (mode == UNKNOWN)
mode = detect_mode((unsigned char*)out);
if (mode == GSI) {
if (expected == 0) {
expected = ((((((unsigned char)out[0] << 8) +
(unsigned char)out[1]) << 8) +
(unsigned char)out[2]) << 8) +
(unsigned char)out[3];
memmove(out, out + 4, ret - 4);
ret -= 4;
}
expected -= ret;
if (ret == 0) {
// implies only size was read. Better reread.
ret = readb(b, out, outl);
if (ret > 0) {
expected -= ret;
}
}
}
}
else if (ret > 0) {
if ((mode == GSI) && (expected > 0))
expected -= ret;
}
return ret;
}
void initgraph(int* device, int* mode, char const* /*pathtodriver*/,
int size_width, int size_height)
{
int index;
static WNDCLASS wcApp;
gdi_error_code = grOk;
if (wcApp.lpszClassName == NULL) {
wcApp.lpszClassName = "BGIlibrary";
wcApp.hInstance = 0;
wcApp.lpfnWndProc = WndProc;
wcApp.hCursor = LoadCursor(NULL, IDC_ARROW);
wcApp.hIcon = 0;
wcApp.lpszMenuName = 0;
wcApp.hbrBackground = (HBRUSH__ *) GetStockObject(BLACK_BRUSH);
wcApp.style = CS_SAVEBITS;
wcApp.cbClsExtra = 0;
wcApp.cbWndExtra = 0;
if (!RegisterClass(&wcApp)) {
gdi_error_code = GetLastError();
return;
}
pPalette = (NPLOGPALETTE)LocalAlloc(LMEM_FIXED,
sizeof(LOGPALETTE)+sizeof(PALETTEENTRY)*PALETTE_SIZE);
pPalette->palVersion = 0x300;
pPalette->palNumEntries = PALETTE_SIZE;
memset(pPalette->palPalEntry, 0, sizeof(PALETTEENTRY)*PALETTE_SIZE);
for (index = 0; index < BG; index++) {
pPalette->palPalEntry[index].peFlags = PC_EXPLICIT;
pPalette->palPalEntry[index].peRed = index;
pPalette->palPalEntry[PALETTE_SIZE-BG+index].peFlags = PC_EXPLICIT;
pPalette->palPalEntry[PALETTE_SIZE-BG+index].peRed =
PALETTE_SIZE-BG+index;
}
hBackgroundBrush = CreateSolidBrush(PALETTEINDEX(BG));
hBrush[EMPTY_FILL] = (HBRUSH__*) GetStockObject(NULL_BRUSH);
hBrush[SOLID_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, SolidBrushBitmap));
hBrush[LINE_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, LineBrushBitmap));
hBrush[LTSLASH_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, LtslashBrushBitmap));
hBrush[SLASH_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, SlashBrushBitmap));
hBrush[BKSLASH_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, BkslashBrushBitmap));
hBrush[LTBKSLASH_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, LtbkslashBrushBitmap));
hBrush[HATCH_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, HatchBrushBitmap));
hBrush[XHATCH_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, XhatchBrushBitmap));
hBrush[INTERLEAVE_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, InterleaveBrushBitmap));
hBrush[WIDE_DOT_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, WidedotBrushBitmap));
hBrush[CLOSE_DOT_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, ClosedotBrushBitmap));
hBrush[USER_FILL] =
CreatePatternBrush(CreateBitmap(8, 8, 1, 1, SolidBrushBitmap));
}
memcpy(BGIpalette, BGIcolor, sizeof BGIpalette);
current_palette.size = MAXCOLORS+1;
for (index = 10; index <= MAXCOLORS; index++) {
pPalette->palPalEntry[index] = BGIcolor[0];
}
for (index = 0; index <= MAXCOLORS; index++) {
current_palette.colors[index] = index;
pPalette->palPalEntry[index+BG] = BGIcolor[index];
}
hPalette = CreatePalette(pPalette);
detect_mode(device, mode);
set_defaults();
if (size_width) window_width=size_width;
if (size_height) window_height=size_height;
hWnd = CreateWindow("BGIlibrary", "Windows BGI",
WS_OVERLAPPEDWINDOW,
0, 0, window_width+BORDER_WIDTH,
window_height+BORDER_HEIGHT,
(HWND)NULL, (HMENU)NULL,
0, NULL);
if (hWnd == NULL) {
gdi_error_code = GetLastError();
return;
}
ShowWindow(hWnd, *mode == VGAMAX ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL);
UpdateWindow(hWnd);
}
int main(int argc, char *argv[]) {
int nb_threads = atoi(argv[3]);
int blocksize = atoi(argv[2]);
int index;
char filename[6];
char* mode = argv[1];
int i = 0;
double latency, throughput;
double avg_latency = 0, avg_throughput = 0, total_throughput = 0;
ThreadData thread[nb_threads];
ThreadData empty_loop;
pthread_t empty_loop_id;
int random_int;
int re;
srand(time(NULL));
random_int = rand()%(MAX_SIZE-blocksize);
/* Fill the buffer where read and write buffer is to be tested */
fill_io_buffer();
/* Detect mode betweem Sequential, Random */
index = detect_mode(mode);
printf("\nBLOCKSIZE : %d B\n",blocksize);
printf("THREADS : %d",nb_threads);
printf("\n=======================================\n\n");
/* Calculating empty loop_size latency*/
empty_loop.blocksize = blocksize/nb_threads;
empty_loop.diff = 0;
pthread_create(&empty_loop_id,NULL,loop_time,(void *) argv);
pthread_join(empty_loop_id, NULL);
/* Creating threads */
for(i=0; i < nb_threads; i++){
thread[i].blocksize = blocksize/nb_threads;
thread[i].random_int = random_int;
thread[i].diff = 0;
/* Determining thread to be created (Sequential, Random) */
switch(index){
case 0:
re = pthread_create(&(thread[i].thread_id),NULL,read_write_seq_memory,(void *)(&thread[i]));
break;
case 1:
re = pthread_create(&(thread[i].thread_id),NULL,read_write_ran_memory,(void *)(&thread[i]));
break;
default:
return 0;
break;
}
if(re == -1){
printf("Error creating thread %d",i+1);
}
else{
printf("Thread %d/%d created.\n",i+1,nb_threads);
}
}
printf("---------------------------------------\n\n");
/* Wait for all the threads to complete */
for(i=0; i < nb_threads; i++){
pthread_join(thread[i].thread_id, NULL);
}
sleep(2);
/* Calculating and printing throughput and latency for each thread */
for(i=0; i < nb_threads; i++){
latency = ((thread[i].diff)-empty_loop.diff); //We substract the empty loop latency
throughput = ((thread[i].blocksize/1000000.0)/(latency));
avg_latency +=latency;
total_throughput += throughput;
printf("Thread : %d\n", i+1);
printf("Blocksize : %d B\n", thread[i].blocksize);
printf("Latency : %.5f ms\n",(latency*1000));
printf("Throughput : %.2f MB/s\n\n",throughput);
}
/* Calculating average throughput and latency */
avg_latency /= nb_threads;
avg_throughput = total_throughput/nb_threads;
printf("---------------------------------------\n");
printf("Average latency : %.5f ms\n", (avg_latency*1000));
printf("Average throughput : %.5f ms\n", avg_throughput);
printf("Total throughput : %.2f MB/s", total_throughput);
printf("\n---------------------------------------\n");
return 0;
}
int main(int argc, char *argv[]) {
int nb_threads = atoi(argv[3]);
int blocksize = atoi(argv[2]);
int index;
char filename[6];
char* mode = argv[1];
int i = 0;
double latency, throughput;
double avg_latency = 0, avg_throughput = 0, total_throughput = 0;
ThreadData thread[nb_threads];
ThreadData empty_loop;
pthread_t empty_loop_id;
int random_int;
int re;
srand(time(NULL));
random_int = rand()%(MAX_SIZE-blocksize);
/* Detect mode betweem Write/Sequential, Write/Random, Read/Sequential, Read/Random */
index = detect_mode(mode);
printf("\nBLOCKSIZE : %d B\n",blocksize);
printf("THREADS : %d",nb_threads);
printf("\n=======================================\n\n");
/* Creating blocksize if needed */
for(i=0; i < nb_threads; i++){
if(index ==2 || index == 3){
snprintf(filename,sizeof(filename),"temp%d",i);
create_big_file(filename);
}
else{
snprintf(filename,sizeof(filename),"temp%d",i);
}
}
sleep(1);
/* Calculating empty loop_size latency*/
if(blocksize != 1){
empty_loop.blocksize = blocksize/nb_threads;
}
else{
empty_loop.blocksize = blocksize;
}
empty_loop.diff = 0;
pthread_create(&empty_loop_id,NULL,loop_time,(void *) argv);
pthread_join(empty_loop_id, NULL);
/* Creating threads */
for(i=0; i < nb_threads; i++){
/* Updating thread[i] structure */
snprintf(filename,sizeof(filename),"temp%d",i);
strncpy(thread[i].filename,filename,sizeof(filename));
if(blocksize != 1){
thread[i].blocksize = blocksize/nb_threads;
}
else{
thread[i].blocksize = blocksize;
}
thread[i].random_int = random_int;
thread[i].diff = 0;
/* Determining thread to be created (Write, Sequential, Sequential, Random) */
switch(index){
case 0:
re = pthread_create(&(thread[i].thread_id),NULL,write_seq_file,(void *)(&thread[i]));
break;
case 1:
re = pthread_create(&(thread[i].thread_id),NULL,write_ran_file,(void *)(&thread[i]));
break;
case 2:
re = pthread_create(&(thread[i].thread_id),NULL,read_seq_file,(void *)(&thread[i]));
break;
case 3:
re = pthread_create(&(thread[i].thread_id),NULL,read_ran_file,(void *)(&thread[i]));
break;
default:
return 0;
break;
}
if(re == -1){
printf("Error creating thread %d",i+1);
}
else{
printf("Thread %d/%d created.\n",i+1,nb_threads);
}
}
printf("---------------------------------------\n\n");
/* Wait for all the threads to complete */
for(i=0; i < nb_threads; i++){
pthread_join(thread[i].thread_id, NULL);
}
sleep(1);
/* Calculating and printing throughput and latency for each thread */
for(i=0; i < nb_threads; i++){
latency = ((thread[i].diff)-empty_loop.diff); //We substract the empty loop latency
throughput = (thread[i].blocksize/1000000.0)/latency;
avg_latency +=latency;
total_throughput += throughput;
printf("Thread : %d\n", i+1);
printf("Blocksize : %d B\n", thread[i].blocksize);
printf("Latency : %.5f ms\n",(latency*1000));
printf("Throughput : %.2f MB/s\n\n",throughput);
}
/* Calculating average throughput and latency */
avg_latency /= nb_threads;
avg_throughput = total_throughput/nb_threads;
printf("---------------------------------------\n");
printf("Average latency : %.5f ms\n", (avg_latency*1000));
printf("Average throughput : %.5f MB/s\n", avg_throughput);
printf("Total throughput : %.2f MB/s", total_throughput);
printf("\n---------------------------------------\n");
return 0;
}
