124 lines
3.1 KiB
C
124 lines
3.1 KiB
C
/*
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* @file motor_direction.c
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* @brief control the direction of the wheels by setting the GPIO mask
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* @author Richie
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*/
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#include "motor_init.h"
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/*!
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* @brief Set the direction of the wheels; can use bitwise OR to set both
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* wheels such as DIRECTION_LEFT_FORWARD | DIRECTION_RIGHT_BACKWARD, it will
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* set the left motor to go forward and the right motor to go backward within
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* the same function.
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* if the motor direction is not set, it will not move.
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* @param direction The direction of the left and right wheels
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* @param left_speed The speed of the left motor, from 0.0 to 1.0
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* @param right_speed The speed of the right motor, from 0.0 to 1.0
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*/
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void
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set_wheel_direction(uint32_t direction)
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{
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gpio_put_masked(DIRECTION_MASK, 0U);
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gpio_set_mask(direction);
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}
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/*!
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* @brief Set the direction of the wheel to opposite direction using bit mask
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*/
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void
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revert_wheel_direction()
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{
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uint32_t current_direction = gpio_get_all();
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uint32_t reverted_direction = current_direction ^ DIRECTION_MASK;
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gpio_put_masked(DIRECTION_MASK, 0U);
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gpio_set_mask(reverted_direction & DIRECTION_MASK);
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}
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void
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turn_left_90()
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{
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set_wheel_direction(DIRECTION_RIGHT_FORWARD);
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set_wheel_speed(3500u, &g_motor_right);
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float initial = g_motor_right.speed.distance_cm;
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for (;;)
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{
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if (g_motor_right.speed.distance_cm - initial >= 17.f)
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{
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set_wheel_speed(0u, &g_motor_right);
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break;
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}
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vTaskDelay(pdMS_TO_TICKS(5));
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}
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vTaskDelay(pdMS_TO_TICKS(1000));
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g_motor_right.speed.distance_cm = initial;
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g_motor_left.speed.distance_cm = initial;
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}
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void
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turn_right_90()
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{
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set_wheel_direction(DIRECTION_LEFT_FORWARD);
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set_wheel_speed(3500u, &g_motor_left);
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float initial = g_motor_left.speed.distance_cm;
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for (;;)
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{
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if (g_motor_left.speed.distance_cm - initial >= 17.f)
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{
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set_wheel_speed(0u, &g_motor_left);
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break;
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}
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vTaskDelay(pdMS_TO_TICKS(5));
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}
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vTaskDelay(pdMS_TO_TICKS(1000));
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g_motor_left.speed.distance_cm = initial;
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g_motor_right.speed.distance_cm = initial;
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}
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void
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spin_left_90()
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{
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set_wheel_direction(DIRECTION_LEFT);
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set_wheel_speed_synced(3500u);
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float initial = g_motor_left.speed.distance_cm;
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for (;;)
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{
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if (g_motor_left.speed.distance_cm - initial >= 7.5f)
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{
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set_wheel_speed_synced(0u);
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break;
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}
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vTaskDelay(pdMS_TO_TICKS(5));
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}
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vTaskDelay(pdMS_TO_TICKS(1000));
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g_motor_left.speed.distance_cm = initial;
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g_motor_right.speed.distance_cm = initial;
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}
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void
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spin_right_90()
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{
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set_wheel_direction(DIRECTION_RIGHT);
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set_wheel_speed_synced(3500u);
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float initial = g_motor_right.speed.distance_cm;
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for (;;)
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{
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if (g_motor_right.speed.distance_cm - initial >= 7.5f)
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{
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set_wheel_speed_synced(0u);
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break;
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}
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vTaskDelay(pdMS_TO_TICKS(5));
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}
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vTaskDelay(pdMS_TO_TICKS(1000));
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g_motor_right.speed.distance_cm = initial;
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g_motor_left.speed.distance_cm = initial;
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} |