uint8_t read_DHT11(uint8_t *buf){
uint16_t dt[42];
uint16_t cnt;
uint8_t i, check_sum;
//reset DHT11
Delay(500);
GPIO_LOW(GPIOA,GPIO_Pin_2);
Delay(20);
GPIO_HIGH(GPIOA,GPIO_Pin_2);
//start reading
cnt = 0;
for(i=0;i<83 && cnt<MAX_TICS;i++){
if (i & 1){
cnt = read_cycle(cnt, 1);
}
else {
cnt = read_cycle(cnt, 0);
dt[i/2]= cnt;
}
}
//release line
GPIO_HIGH(GPIOA,GPIO_Pin_2);
if (cnt>=MAX_TICS) return DHT11_NO_CONN;
//convert data
for(i=2;i<42;i++){
(*buf) <<= 1;
if (dt[i]>20) {
(*buf)++;
}
if (!((i-1)%8) && (i>2)) {
buf++;
}
}
//calculate checksum
buf -= 5;
check_sum = 0;
for(i=0;i<4;i++){
check_sum += *buf;
buf++;
}
if (*buf != check_sum) return DHT11_CS_ERROR;
return DHT11_OK;
//return check_sum;
}
void animate(void) {
char string[MAX_STRING];
if (file_done){
glutIdleFunc(NULL);
show_stat = HOLD;
}
if (file_done && jpeg) {
jpeg = False;
moldyn_update_graphics();
glutPostRedisplay();
sprintf(string, "cat %s????.jpg | ffmpeg -y -v 0 -r 30 -f image2pipe -vcodec mjpeg -i - -vcodec mpeg4 %s.mov", name, name);
system(string);
return;
}
/* Redraw for animation (no display lists) */
read_cycle();
moldyn_update_graphics();
glutPostRedisplay();
if (jpeg) {
moldyn_export_(MOLDYN_EXPORT_TO_JPEG, window_width, window_height);
}
}
static void moldyn_menu_frame_(int value) {
switch (value) {
case 0:
if (current_cycle == 1) {
break;
}
show_stat = SHOW_PREV;
current_cycle -= 2;
file_done = 0;
if (feof(fptr))
rewind(fptr);
if (fsetpos(fptr, &cycle_position[current_cycle]))
moldyn_error("can't position file");
read_cycle();
moldyn_update_graphics();
glutPostRedisplay();
break;
case 1:
if (file_done && last_init_done) {
break;
} else {
show_stat = SHOW_NEXT;
read_cycle();
moldyn_update_graphics();
glutPostRedisplay();
break;
}
case 2:
if (show_stat == HOLD && !file_done)
{
glutIdleFunc(animate);
show_stat = SHOW_ALL;
}
else if (show_stat == SHOW_ALL)
{
jpeg = False;
show_stat = HOLD;
moldyn_update_graphics();
glutPostRedisplay();
}
break;
}
}
void makePov(int type) {
int xres, yres;
float x,y,z;
double c1 = cos(torad(-rotation-10));
double s1 = sin(torad(-rotation-10));
double c2 = cos(torad(-tilt-20));
double s2 = sin(torad(-tilt-20));
xres = resolution * 1.25 + 0.5;
yres = 0.8 * xres + 0.5;
while (True) {
if (1.0 * xres / yres > 1.25) {
yres++;
} else if (1.0 * xres / yres < 1.25) {
xres++;
} else {
break;
}
}
x = -c1 * xeye + s1 * zeye;
y = s1 * s2 * xeye - c2 * yeye + s2 * c1 * zeye;
z = -c2 * s1 * xeye - s2 * yeye - c2 * c1 * zeye;
gr3_setlightdirection(x, y, z);
gr3_setquality(GR3_QUALITY_POVRAY_8X_SSAA);
if (povray == -9999) {
moldyn_export_(type,xres,yres);
} else if (povray > 0) {
rewind(fptr);
current_cycle = 0;
while (True) {
read_cycle();
if (file_done)
break;
moldyn_update_graphics();
moldyn_export_(type,xres,yres);
}
}
gr3_setquality(GR3_QUALITY_OPENGL_NO_SSAA);
gr3_setlightdirection(0, 0, 0);
}
int main(int argc, char **argv) {
ac = argc;
avp = argv;
reset_element_information();
if (argc < 2) {
moldyn_usage();
}
moldyn_init_graphics(&argc, argv, argv[1]);
read_dat();
if (autoscale) {
analyze();
}
read_cycle();
range = fabs(zmax) + fabs(zmin);
if (range < fabs(xmax) + fabs(xmin))
range = fabs(xmax) + fabs(xmin);
if (range < fabs(ymax) + fabs(ymin))
range = fabs(ymax) + fabs(ymin);
magnification = pow(1.2, (double) magstep);
zeye = -2.0 * range * magnification;
moldyn_update_graphics();
if (povray <= 0) {
start_mainloop();
} else {
makePov(MOLDYN_EXPORT_TO_PNG);
}
return 0;
}
static void keyboard(unsigned char key, int x, int y) {
switch (key) {
case 'a':
povray = pix = -9999;
makePov(MOLDYN_EXPORT_TO_PNG);
break;
case 'r':
if (magstep <= 10) {
magstep++;
magnification = pow(1.2, (double) magstep);
zeye = -2 * range * magnification;
glutPostRedisplay();
}
break;
case 'm':
if (magstep >= -10) {
magstep--;
magnification = pow(1.2, (double) magstep);
zeye = -2 * range * magnification;
glutPostRedisplay();
}
break;
case 's':
if (move_stat == ROTATE) {
move_stat = TRANSLATE;
} else if (move_stat == TRANSLATE) {
move_stat = ROTATE;
}
break;
case 'n':
if (file_done && last_init_done) {
break;
} else {
show_stat = SHOW_NEXT;
read_cycle();
moldyn_update_graphics();
glutPostRedisplay();
break;
}
case 'b':
if (current_cycle == 1) {
break;
}
show_stat = SHOW_PREV;
current_cycle -= 2;
file_done = 0;
if (feof(fptr))
rewind(fptr);
if (fsetpos(fptr, &cycle_position[current_cycle]))
moldyn_error("can't position file");
read_cycle();
moldyn_update_graphics();
glutPostRedisplay();
break;
case 'h':
case 'j':
if (show_stat == HOLD && !file_done)
{
if (key == 'j')
{
jpeg = True;
moldyn_export_(MOLDYN_EXPORT_TO_JPEG, window_width, window_height);
}
glutIdleFunc(animate);
show_stat = SHOW_ALL;
}
else if (show_stat == SHOW_ALL)
{
jpeg = False;
show_stat = HOLD;
moldyn_update_graphics();
glutPostRedisplay();
}
break;
case 'c':
case 'C':
moldyn_export_(MOLDYN_EXPORT_TO_JPEG, 800, 800);
break;
case 'J':
moldyn_export_(MOLDYN_EXPORT_TO_JPEG, window_width, window_height);
break;
case 'p':
{
char *argv[] = {"jpeg2ps", "-o", "moldyn.eps", path};
moldyn_export_(MOLDYN_EXPORT_TO_JPEG, 2000, 2000);
jpeg2ps_main(sizeof(argv)/sizeof(char *),argv);
}
#ifdef _WIN32
system("copy moldyn.eps %PRINTER%");
#else
system("lpr -h moldyn.eps");
#endif
break;
case '0':
xeye = 0.0;
yeye = 0.0;
zeye = -2.0 * range;
glutPostRedisplay();
break;
case '?':
hint = (hint) ? False : True;
glutPostRedisplay();
break;
case 'T':
case 't':
numbers = (numbers) ? False : True;
glutPostRedisplay();
break;
case 'q':
case 'Q':
case GLUT_KEY_ESCAPE:
moldyn_exit(0);
break;
}
}