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expand the test program

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This commit is contained in:
uvos 2021-06-28 18:08:57 +02:00
parent dd4ba45a2b
commit f76f56a471
2 changed files with 76 additions and 12 deletions
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80
main.c
View File

@ -1,32 +1,90 @@
#include <stdio.h>
#include <unistd.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "uvosled.h"
void print_help(const char* progname)
{
printf("UVOS usb led test application\n");
printf("usage: %s [OPERATION] [CHANNEL] [VALUE]\n", progname);
printf("available operations: set on off help\n");
}
int main(int argc, char* argv[])
{
if(argc < 2 || strcmp (argv[1], "help") == 0)
{
print_help(argv[0]);
return 0;
}
struct uvosled led;
if(uvosled_connect(&led))
{
printf("cant connect \n");
printf("Can not connect to UVOS usbled device\n");
return -1;
}
if(uvosled_poweron(&led))
if(strcmp(argv[1], "on") == 0)
{
printf("cant power on \n");
return -2;
if(uvosled_poweron(&led))
printf("cant power on \n");
}
if(uvosled_set_current(&led, CHANNEL_A | CHANNEL_B , 0.5))
else if(strcmp(argv[1], "off") == 0)
{
printf("cant set current \n");
return -3;
uvosled_set_current(&led, 0xff , 0);
uvosled_poweroff(&led);
}
sleep(30);
if(uvosled_set_current(&led, CHANNEL_A | CHANNEL_B , 0))
else if(strcmp(argv[1], "set") == 0)
{
printf("cant set current \n");
return -3;
if(argc != 4)
{
print_help(argv[0]);
return 0;
}
uint8_t mask = 0;
switch(argv[2][0])
{
case 'a':
case 'A':
case '1':
mask = CHANNEL_A;
break;
case 'b':
case 'B':
case '2':
mask = CHANNEL_B;
break;
case 'c':
case 'C':
case '3':
mask = CHANNEL_C;
break;
case 'd':
case 'D':
case '4':
mask = CHANNEL_D;
break;
default:
printf("A channel must be selected out of A, B, C or D\n");
}
if(mask)
{
char* end;
float value = strtof(argv[3], &end);
if(isnan(value) || value < 0 || value > 1.0f)
printf("A channel value between 0 and 1.0 must be supplied\n");
else if(uvosled_set_current(&led, mask, value))
printf("Failed to set current\n");
}
}
uvosled_poweroff(&led);
uvosled_disconnect(&led);
return 0;

8
uvosled.h
View File

@ -15,23 +15,29 @@ struct uvosled {
struct usbshm* priv;
};
// returns 0 on sucess and < 0 on failure
int uvosled_connect(struct uvosled* led);
// power on cameras
// returns 0 on sucess and < 0 on failure
int uvosled_poweron(struct uvosled* led);
// power off cameras
// returns 0 on sucess and < 0 on failure
int uvosled_poweroff(struct uvosled* led);
// channels is a mask of bits, you can set it like this: CHANNEL_A | CHANNEL_C to activate channels A and C
// current is in Ampere
// current is in percent of the values selected by the linear regulator resistors
// returns 0 on sucess and < 0 on failure
int uvosled_set_current(struct uvosled* led, uint8_t channels, float current);
// causes the cameras to take an image
// returns 0 on sucess and < 0 on failure
int uvosled_trigger(struct uvosled* led);
// leds are lit for time seconds and the camera is activated cameraOffset seconds after they are lit
// real time guarenteed by microcontroller
// returns 0 on sucess and < 0 on failure
int uvosled_capture(struct uvosled* led, int channels, float current, double time, double cameraOffset);
void uvosled_disconnect(struct uvosled* led);