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first commit for opensource

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first commit for opensource
This commit is contained in:
supowang
2019-09-16 13:19:50 +08:00
parent 08ab013b8e
commit edb2879617
6303 changed files with 5472815 additions and 23 deletions
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103
doc/code/2.3.4 queue/main.c Normal file
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#include "tos.h"
#include "mcu_init.h"
#define STK_SIZE_TASK_RECEIVER 512
#define STK_SIZE_TASK_SENDER 512
#define PRIO_TASK_RECEIVER_HIGHER_PRIO 4
#define PRIO_TASK_RECEIVER_LOWER_PRIO (PRIO_TASK_RECEIVER_HIGHER_PRIO + 1)
k_stack_t stack_task_receiver_higher_prio[STK_SIZE_TASK_RECEIVER];
k_stack_t stack_task_receiver_lower_prio[STK_SIZE_TASK_RECEIVER];
k_stack_t stack_task_sender[STK_SIZE_TASK_SENDER];
k_task_t task_receiver_higher_prio;
k_task_t task_receiver_lower_prio;
k_task_t task_sender;
k_queue_t queue;
extern void entry_task_receiver_higher_prio(void *arg);
extern void entry_task_receiver_lower_prio(void *arg);
extern void entry_task_sender(void *arg);
void entry_task_receiver_higher_prio(void *arg)
{
k_err_t err;
void *msg_received;
size_t msg_size;
while (K_TRUE) {
err = tos_queue_pend(&queue, &msg_received, &msg_size, TOS_TIME_FOREVER);
if (err == K_ERR_NONE) {
printf("entry_task_receiver_higher_prio:\n");
printf("message body: %s\n", (char *)msg_received);
printf("message size: %d\n", msg_size);
}
}
}
void entry_task_receiver_lower_prio(void *arg)
{
k_err_t err;
void *msg_received;
size_t msg_size;
while (K_TRUE) {
err = tos_queue_pend(&queue, &msg_received, &msg_size, TOS_TIME_FOREVER);
if (err == K_ERR_NONE) {
printf("entry_task_receiver_lower_prio:\n");
printf("message body: %s\n", (char *)msg_received);
printf("message size: %d\n", msg_size);
}
}
}
void entry_task_sender(void *arg)
{
int i = 1;
char *msg_to_one_receiver = "message for one receiver[with highest priority]";
char *msg_to_all_receiver = "message for all receivers";
while (K_TRUE) {
if (i == 2) {
printf("entry_task_sender:\n");
printf("send a message to one receiver, and shoud be the highest priority one\n");
tos_queue_post(&queue, msg_to_one_receiver, strlen(msg_to_one_receiver));
}
if (i == 3) {
printf("entry_task_sender:\n");
printf("send a message to all recevier\n");
tos_queue_post_all(&queue, msg_to_all_receiver, strlen(msg_to_all_receiver));
}
if (i == 4) {
printf("entry_task_sender:\n");
printf("send a message to one receiver, and shoud be the highest priority one\n");
tos_queue_post(&queue, msg_to_one_receiver, strlen(msg_to_one_receiver));
}
if (i == 5) {
printf("entry_task_sender:\n");
printf("send a message to all recevier\n");
tos_queue_post_all(&queue, msg_to_all_receiver, strlen(msg_to_all_receiver));
}
tos_task_delay(1000);
++i;
}
}
int main(void)
{
board_init();
tos_knl_init();
tos_queue_create(&queue);
(void)tos_task_create(&task_receiver_higher_prio, "receiver_higher_prio",
entry_task_receiver_higher_prio, NULL, PRIO_TASK_RECEIVER_HIGHER_PRIO,
stack_task_receiver_higher_prio, STK_SIZE_TASK_RECEIVER, 0);
(void)tos_task_create(&task_receiver_lower_prio, "receiver_lower_prio",
entry_task_receiver_lower_prio, NULL, PRIO_TASK_RECEIVER_LOWER_PRIO,
stack_task_receiver_lower_prio, STK_SIZE_TASK_RECEIVER, 0);
(void)tos_task_create(&task_sender, "sender", entry_task_sender, NULL,
4, stack_task_sender, STK_SIZE_TASK_SENDER, 0);
tos_knl_start();
}