INF2004_Project/frtos/rtos_car.c

164 lines
4.2 KiB
C

/**
* @brief Program to read onboard temperature sensor and print out the average
*/
#include <stdio.h>
// pico sdk libraries
#include "pico/cyw43_arch.h"
#include "pico/stdlib.h"
// FreeRTOS libraries
#include "FreeRTOS.h"
#include "task.h"
#include "motor_speed.h"
#include "motor_direction.h"
#include "motor_pid.h"
#include "line_sensor.h"
#include "ultrasonic_sensor.h"
#define READ_LEFT_SENSOR_PRIO (tskIDLE_PRIORITY + 2UL)
#define READ_RIGHT_SENSOR_PRIO (tskIDLE_PRIORITY + 2UL)
#define READ_BARCODE_SENSOR_PRIO (tskIDLE_PRIORITY + 2UL)
#define DIRECTION_TASK_PRIORITY (tskIDLE_PRIORITY + 3UL)
#define DISTANCE_TASK_PRIORITY (tskIDLE_PRIORITY + 4UL)
/* Common Car State Structure (TODO: TBC)*/
// static car_state_t g_car_state;
static void
motor_control_task(__unused void *p_param)
{
static bool left = false;
static bool right = false;
for (;;)
{
state_t state = gpio_get(LEFT_SENSOR_PIN);
printf("state: %d\n", state);
if (state == 1)
{
if (!left)
{
spin_left_90();
left = true;
}
else if (!right)
{
spin_right_90();
spin_right_90();
right = true;
}
else
{
spin_right_90();
left = false;
right = false;
}
}
else
{
set_wheel_direction(DIRECTION_FORWARD);
set_wheel_speed_synced(3500u);
}
vTaskDelay(pdMS_TO_TICKS(5));
}
}
void
launch()
{
// // isr to detect left line sensor
// gpio_set_irq_enabled(LEFT_SENSOR_PIN, GPIO_IRQ_EDGE_FALL, true);
// gpio_add_raw_irq_handler(LEFT_SENSOR_PIN, h_line_sensor_handler);
// isr to detect right motor slot
gpio_set_irq_enabled(SPEED_PIN_RIGHT, GPIO_IRQ_EDGE_FALL, true);
gpio_add_raw_irq_handler(SPEED_PIN_RIGHT, h_wheel_sensor_isr_handler);
// isr to detect left motor slot
gpio_set_irq_enabled(SPEED_PIN_LEFT, GPIO_IRQ_EDGE_FALL, true);
gpio_add_raw_irq_handler(SPEED_PIN_LEFT, h_wheel_sensor_isr_handler);
irq_set_enabled(IO_IRQ_BANK0, true);
// // line sensor timer
// struct repeating_timer g_left_sensor_timer;
// add_repeating_timer_ms(LINE_SENSOR_READ_DELAY,
// h_left_sensor_timer_handler,
// NULL,
// &g_left_sensor_timer);
// PID timer
struct repeating_timer pid_timer;
add_repeating_timer_ms(-50, repeating_pid_handler, NULL, &pid_timer);
TaskHandle_t h_monitor_left_sensor_task;
xTaskCreate(monitor_left_sensor_task,
"Monitor Left Sensor Task",
configMINIMAL_STACK_SIZE,
NULL,
READ_LEFT_SENSOR_PRIO,
&h_monitor_left_sensor_task);
// Left wheel
//
TaskHandle_t h_monitor_left_wheel_speed_task_handle = NULL;
xTaskCreate(monitor_wheel_speed_task,
"monitor_left_wheel_speed_task",
configMINIMAL_STACK_SIZE,
(void *)&g_motor_left,
WHEEL_SPEED_PRIO,
&h_monitor_left_wheel_speed_task_handle);
// Right wheel
//
TaskHandle_t h_monitor_right_wheel_speed_task_handle = NULL;
xTaskCreate(monitor_wheel_speed_task,
"monitor_wheel_speed_task",
configMINIMAL_STACK_SIZE,
(void *)&g_motor_right,
WHEEL_SPEED_PRIO,
&h_monitor_right_wheel_speed_task_handle);
// control task
TaskHandle_t h_motor_turning_task_handle = NULL;
xTaskCreate(motor_control_task,
"motor_turning_task",
configMINIMAL_STACK_SIZE,
NULL,
WHEEL_CONTROL_PRIO,
&h_motor_turning_task_handle);
vTaskStartScheduler();
}
int
main(void)
{
stdio_usb_init();
sleep_ms(4000);
printf("Test started!\n");
motor_init();
line_sensor_setup();
//init_ultrasonic();
//initialize_car_state(); // TODO: Could be common functionality, To confirm
// during Integration
launch();
return (0);
}
/*** end of file ***/