Project

General

Profile

Statistics
| Revision:

root / trunk / code / projects / diagnostic_station / station / test_encoders.c @ 1900

History | View | Annotate | Download (3.67 KB)

1
#include "test_encoders.h"
2
#include "global.h"
3
#include "comm_robot.h"
4

    
5
#include "hardware.h"
6

    
7
// ******************
8
// ** Data sending **
9
// ******************
10

    
11
static void send_encoder_data (uint8_t num, uint8_t direction, 
12
        int16_t *data_station, int16_t *data_robot, uint8_t num_measurements)
13
{
14
        if (direction!=motor_direction_off)
15
        {
16
                usb_puts ("data encoder ");
17
                usb_puti (num);
18
                usb_puts (" ");
19
                usb_puts (motor_direction_string (direction));
20
                usb_puts (" ");
21
                        
22
                for (uint8_t i=0; i<num_measurements; ++i)
23
                {
24
                        usb_putc (' ');
25
                        usb_puti (data_station[i]);
26
                        usb_putc ('/');
27
                        usb_puti (data_robot[i]);
28
                }
29

    
30
                usb_puts (NL);
31
        }
32
}
33

    
34

    
35
// ************************
36
// ** Internal functions **
37
// ************************
38

    
39
static void test_encoders_direction (uint8_t direction1, uint8_t direction2, uint8_t num_measurements, uint8_t velocity, uint16_t on_delay, uint16_t off_delay)
40
{
41
        // Allocate space for the data on the stack
42
        // Seems like we've got a stack overflow...see test_motors.c
43
//        int16_t *data_station_l  =malloc (num_measurements*sizeof (uint16_t));
44
//        int16_t *data_station_r  =malloc (num_measurements*sizeof (uint16_t));
45
//        int16_t *data_robot_l    =malloc (num_measurements*sizeof (uint16_t));
46
//        int16_t *data_robot_r    =malloc (num_measurements*sizeof (uint16_t));
47
        usb_puts ("# Resetting encoders" NL);
48
        dynamos_reset ();
49
        robot_reset_encoders ();
50

    
51
        int16_t station_l=11, station_r=22, robot_l=33, robot_r=44;
52
        
53
        for (uint8_t m=0; m<num_measurements; ++m)
54
        {
55
                robot_set_motors (direction1, velocity, direction2, velocity);
56
                delay_ms (on_delay);
57
                robot_set_motors_off ();
58
                delay_ms (off_delay);
59

    
60
                // Read the station dynamos
61
                dynamos_read (&station_l, &station_r);
62
//                data_station_l[m]=station_l;
63
//                data_station_r[m]=station_r;
64
                
65
                // Read the robot encoders
66
                robot_read_encoders (&robot_l, &robot_r);
67
//                data_robot_l[m]=robot_l;
68
//                data_robot_r[m]=robot_r;
69
                
70
                //usb_puts ("# I readed teh encoders: ");
71
                //usb_puti (data_robot_l[m]);
72
                //usb_puts (" ");
73
                //usb_puti (data_robot_r[m]);
74
                //usb_puts (NL);
75

    
76
        send_encoder_data (0, direction1, &station_l, &robot_l, 1);
77
        send_encoder_data (1, direction2, &station_r, &robot_r, 1);
78
        }
79

    
80
//        send_encoder_data (0, direction1, data_station_l, data_robot_l, num_measurements);
81
//        send_encoder_data (1, direction2, data_station_r, data_robot_r, num_measurements);
82
        
83
//        free (data_robot_r);
84
//        free (data_robot_l);
85
//        free (data_station_r);
86
//        free (data_station_l);
87
}
88

    
89

    
90
// **********************
91
// ** Public functions **
92
// **********************
93

    
94
// Encoder readings seem to be unreliable with these values (on too long?)
95
//#define NUM 4
96
//#define VEL 200
97
//#define ON_DELAY 500
98
//#define OFF_DELAY 800
99

    
100
// Testing values
101
#define NUM 8
102
#define VEL 200
103
#define ON_DELAY 150
104
#define OFF_DELAY 400
105

    
106
void test_encoder_all (void)
107
{
108
        usb_puts("# Testing encoders" NL);
109

    
110
        test_encoders_direction (motor_direction_forward , motor_direction_backward, NUM, VEL, ON_DELAY, OFF_DELAY);
111
        test_encoders_direction (motor_direction_backward, motor_direction_forward , NUM, VEL, ON_DELAY, OFF_DELAY);
112

    
113
        usb_puts("# Testing encoders finished" NL);
114
}
115

    
116
void test_encoder (uint8_t num)
117
{
118
        if (num==1)
119
        {
120
                test_encoders_direction (motor_direction_forward , motor_direction_off, NUM, VEL, ON_DELAY, OFF_DELAY);
121
                test_encoders_direction (motor_direction_backward, motor_direction_off, NUM, VEL, ON_DELAY, OFF_DELAY);
122
        }
123
        else if (num==2)
124
        {
125
                test_encoders_direction (motor_direction_off, motor_direction_forward , NUM, VEL, ON_DELAY, OFF_DELAY);
126
                test_encoders_direction (motor_direction_off, motor_direction_backward, NUM, VEL, ON_DELAY, OFF_DELAY);
127
        }
128
}