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root / trunk / code / projects / diagnostic_station / station / test_motors.c @ 1206

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#include "test_motors.h"
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#include "global.h"
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#include "comm_robot.h"
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// NB don't produce overflows!
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#define vel_min 100
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#define vel_max 250
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#define vel_inc 10
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#define vel_delay 200
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static void test_motors_direction_velocity (uint8_t direction1, uint8_t direction2, uint8_t velocity)
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{
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        robot_set_motors (direction1, velocity, direction2, velocity);
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        delay_ms (vel_delay);
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        //        wait (steady)
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        //        
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        //        reset_encoders ();
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        //        for (measurements)
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        //        {
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        //                measure left/right
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        //                wait
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        //        }
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}
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#define acceleration_increasing 1
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#define acceleration_decreasing 2
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static void test_motors_direction_acceleration (uint8_t direction1, uint8_t direction2, uint8_t vel_start, uint8_t vel_end, int8_t vel_step)
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{
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        // Use 16 bit variable for vel to avoid problems with overflow (if vel=250 and 10 is added, it would be 260-256=4
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        // which is still smaller than vel_max). There are more elegant solutions to this problem, but this one is
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        // easy and performance is not an issue here anyway.
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        // Distinguish between start>=end/start<end because we have to use the corresponding stop condition.
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        if (vel_end>=vel_start)
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                for (uint16_t vel=vel_start; vel<=vel_end; vel+=vel_step)
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                        test_motors_direction_velocity (direction1, direction2, vel);
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        else
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                for (uint16_t vel=vel_start; vel>=vel_end; vel+=vel_step)
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                        test_motors_direction_velocity (direction1, direction2, vel);
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        // Send data
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        for (uint8_t i=1; i<=2; ++i)
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        {
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                uint8_t direction=(i==1)?direction1:direction2;
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                if (direction!=motor_direction_off)
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                {
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                        usb_puts ("data motor ");
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                        usb_puti (i);
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                        usb_puts (" ");
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                        usb_puts (motor_direction_string (direction));
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                        if (vel_end>vel_start)
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                                usb_puts (" increasing ");
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                        else if (vel_end<vel_start)
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                                usb_puts (" decreasing ");
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                        else
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                                usb_puts (" constant ");
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                        usb_puts (" 160/100 170/200 180/300 190/400 200/500 210/600 220/700" NL);
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                }
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        }
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}
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static void test_motors_direction (uint8_t direction1, uint8_t direction2)
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{
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        test_motors_direction_acceleration (direction1, direction2, vel_min, vel_max, vel_inc);
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        test_motors_direction_acceleration (direction1, direction2, vel_max, vel_min, -vel_inc);
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}
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void test_motor_all (void)
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{
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        usb_puts("# Testing motors" NL);
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        test_motors_direction (motor_direction_forward, motor_direction_backward);
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        test_motors_direction (motor_direction_backward, motor_direction_forward);
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        robot_set_motors_off ();
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        usb_puts("# Testing motors finished" NL);
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}
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void test_motor (uint8_t num)
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{
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        if (num==1)
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        {
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                test_motors_direction (motor_direction_forward, motor_direction_off);
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                test_motors_direction (motor_direction_backward, motor_direction_off);
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        }
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        else if (num==2)
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        {
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                test_motors_direction (motor_direction_off, motor_direction_forward);
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                test_motors_direction (motor_direction_off, motor_direction_backward);
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        }
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}