74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
#include "tos.h"
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#include "mcu_init.h"
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#define STK_SIZE_TASK_RECEIVER 512
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#define STK_SIZE_TASK_SENDER 512
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#define MAIL_MAX 10
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k_stack_t stack_task_receiver[STK_SIZE_TASK_RECEIVER];
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k_stack_t stack_task_sender[STK_SIZE_TASK_SENDER];
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typedef struct mail_st {
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char *message;
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int payload;
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} mail_t;
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uint8_t mail_pool[MAIL_MAX * sizeof(mail_t)];
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k_task_t task_receiver;
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k_task_t task_sender;
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k_prio_mail_q_t prio_mail_q;
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extern void entry_task_receiver(void *arg);
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extern void entry_task_sender(void *arg);
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void entry_task_receiver(void *arg)
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{
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k_err_t err;
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mail_t mail;
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size_t mail_size;
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while (K_TRUE) {
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err = tos_prio_mail_q_pend(&prio_mail_q, &mail, &mail_size, TOS_TIME_FOREVER);
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if (err == K_ERR_NONE) {
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TOS_ASSERT(mail_size == sizeof(mail_t));
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printf("receiver: msg incoming[%s], payload[%d]\n", mail.message, mail.payload);
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}
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}
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}
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void entry_task_sender(void *arg)
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{
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mail_t mail_0, mail_1, mail_2;
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printf("sender: post a mail with priority 2\n");
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mail_2.message = "priority 2";
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mail_2.payload = 2;
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tos_prio_mail_q_post(&prio_mail_q, &mail_2, sizeof(mail_t), 2);
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printf("sender: post a mail with priority 1\n");
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mail_1.message = "priority 1";
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mail_1.payload = 1;
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tos_prio_mail_q_post_all(&prio_mail_q, &mail_1, sizeof(mail_t), 1);
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printf("sender: post a mail with priority 0\n");
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mail_0.message = "priority 0";
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mail_0.payload = 0;
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tos_prio_mail_q_post(&prio_mail_q, &mail_0, sizeof(mail_t), 0);
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}
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int main(void)
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{
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board_init();
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tos_knl_init();
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tos_prio_mail_q_create(&prio_mail_q, mail_pool, MAIL_MAX, sizeof(mail_t));
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(void)tos_task_create(&task_receiver, "receiver", entry_task_receiver, NULL,
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6, stack_task_receiver, STK_SIZE_TASK_RECEIVER, 0);
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(void)tos_task_create(&task_sender, "sender", entry_task_sender, NULL,
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5, stack_task_sender, STK_SIZE_TASK_SENDER, 0);
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tos_knl_start();
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}
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