59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
#include "gd32vf103.h"
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#include "tos.h"
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#define TASK_SIZE 512
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k_task_t k_task_task1;
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k_task_t k_task_task2;
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uint8_t k_task1_stk[TASK_SIZE];
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uint8_t k_task2_stk[TASK_SIZE];
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int share = 0xCBA7F9;
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k_sem_t sem;
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void task1(void *pdata)
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{
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int task_cnt1 = 0;
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while (1) {
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task_cnt1++;
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tos_sem_pend(&sem, ~0U);
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gpio_bit_write(GPIOA, GPIO_PIN_7, share % 2);
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}
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}
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void task2(void *pdata)
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{
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int task_cnt2 = 0;
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while (1) {
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task_cnt2--;
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share++;
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tos_task_delay(1000);
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tos_sem_post(&sem);
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}
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}
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void main(void) {
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rcu_periph_clock_enable(RCU_GPIOA);
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gpio_init(GPIOA, GPIO_MODE_OUT_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_7);
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gpio_bit_reset(GPIOA, GPIO_PIN_7);
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tos_knl_init();
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tos_task_create(&k_task_task1, "task1", task1, NULL, 3, k_task1_stk, TASK_SIZE, 0);
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tos_task_create(&k_task_task2, "task2", task2, NULL, 3, k_task2_stk, TASK_SIZE, 0);
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k_err_t err = tos_sem_create(&sem, 1);
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if (err != K_ERR_NONE) {
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goto die;
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}
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tos_knl_start();
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die:
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while (1) {
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asm("wfi;");
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}
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}
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