MotionCal/imuread.c
2018-01-23 07:06:44 -08:00

143 lines
2.8 KiB
C

#if defined(LINUX)
#include "imuread.h"
#include <GL/glut.h> // sudo apt-get install xorg-dev libglu1-mesa-dev freeglut3-dev
void die(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
static void timer_callback(int val)
{
int r;
glutTimerFunc(TIMEOUT_MSEC, timer_callback, 0);
r = read_serial_data();
if (r < 0) die("Error reading %s\n", PORT);
glutPostRedisplay(); // TODO: only redisplay if data changes
}
static void glut_display_callback(void)
{
display_callback();
glutSwapBuffers();
}
extern int invert_q0;
extern int invert_q1;
extern int invert_q2;
extern int invert_q3;
extern int invert_x;
extern int invert_y;
extern int invert_z;
static void print_invert_state(void)
{
printf("Invert: %s %s %s %s %s %s %s\n",
(invert_q0 ? "Q0" : " "),
(invert_q1 ? "Q1" : " "),
(invert_q2 ? "Q2" : " "),
(invert_q3 ? "Q3" : " "),
(invert_x ? "x'" : " "),
(invert_y ? "y'" : " "),
(invert_z ? "z'" : " ")
);
}
static void glut_keystroke_callback(unsigned char ch, int x, int y)
{
if (ch == '0') {
invert_q0 ^= 1;
print_invert_state();
return;
}
if (ch == '1') {
invert_q1 ^= 1;
print_invert_state();
return;
}
if (ch == '2') {
invert_q2 ^= 1;
print_invert_state();
return;
}
if (ch == '3') {
invert_q3 ^= 1;
print_invert_state();
return;
}
if (ch == 'x') {
invert_x ^= 1;
print_invert_state();
return;
}
if (ch == 'y') {
invert_y ^= 1;
print_invert_state();
return;
}
if (ch == 'z') {
invert_z ^= 1;
print_invert_state();
return;
}
if (magcal.FitError > 9.0) {
printf("Poor Calibration: ");
printf("soft iron fit error = %.1f%%\n", magcal.FitError);
return;
}
printf("Magnetic Calibration: (%.1f%% fit error)\n", magcal.FitError);
printf(" %7.2f %6.3f %6.3f %6.3f\n",
magcal.V[0], magcal.invW[0][0], magcal.invW[0][1], magcal.invW[0][2]);
printf(" %7.2f %6.3f %6.3f %6.3f\n",
magcal.V[1], magcal.invW[1][0], magcal.invW[1][1], magcal.invW[1][2]);
printf(" %7.2f %6.3f %6.3f %6.3f\n",
magcal.V[2], magcal.invW[2][0], magcal.invW[2][1], magcal.invW[2][2]);
send_calibration();
}
void calibration_confirmed(void)
{
printf("Calibration confirmed!\n");
}
int main(int argc, char *argv[])
{
raw_data_reset();
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutInitWindowSize(600, 500);
glutCreateWindow("IMU Read");
visualize_init();
glutReshapeFunc(resize_callback);
glutDisplayFunc(glut_display_callback);
glutTimerFunc(TIMEOUT_MSEC, timer_callback, 0);
glutKeyboardFunc(glut_keystroke_callback);
if (!open_port(PORT)) die("Unable to open %s\n", PORT);
glutMainLoop();
close_port();
return 0;
}
void die(const char *format, ...)
{
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
close_port();
exit(1);
}
#else
int main(int argc, char *argv[])
{
return 0;
}
#endif