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