63 lines
1.7 KiB
C
63 lines
1.7 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 MESSAGE_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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uint8_t msg_pool[MESSAGE_MAX * sizeof(void *)];
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k_task_t task_receiver;
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k_task_t task_sender;
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k_prio_msg_q_t prio_msg_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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void *msg_received;
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while (K_TRUE) {
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err = tos_prio_msg_q_pend(&prio_msg_q, &msg_received, TOS_TIME_FOREVER);
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if (err == K_ERR_NONE) {
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printf("receiver: msg incoming[%s]\n", (char *)msg_received);
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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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char *msg_prio_0 = "msg with priority 0";
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char *msg_prio_1 = "msg with priority 1";
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char *msg_prio_2 = "msg with priority 2";
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printf("sender: post a message with priority 2\n");
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tos_prio_msg_q_post(&prio_msg_q, msg_prio_2, 2);
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printf("sender: post a message with priority 1\n");
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tos_prio_msg_q_post(&prio_msg_q, msg_prio_1, 1);
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printf("sender: post a message with priority 0\n");
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tos_prio_msg_q_post(&prio_msg_q, msg_prio_0, 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_msg_q_create(&prio_msg_q, msg_pool, MESSAGE_MAX);
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(void)tos_task_create(&task_receiver, "receiver", entry_task_receiver, NULL,
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5, 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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4, stack_task_sender, STK_SIZE_TASK_SENDER, 0);
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tos_knl_start();
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}
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