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同步操作将从 腾讯开源/TencentOS-tiny 强制同步,此操作会覆盖自 Fork 仓库以来所做的任何修改,且无法恢复!!!
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#include "tos_k.h"
#include "mcu_init.h"
#define STK_SIZE_TASK_PRODUCER 512
#define STK_SIZE_TASK_CONSUMER 512
k_stack_t stack_task_producer[STK_SIZE_TASK_PRODUCER];
k_stack_t stack_task_consumer[STK_SIZE_TASK_CONSUMER];
k_task_t task_producer;
k_task_t task_consumer;
extern void entry_task_producer(void *arg);
extern void entry_task_consumer(void *arg);
k_mutex_t buffer_locker;
k_sem_t full;
k_sem_t empty;
#define RESOURCE_COUNT_MAX 3
struct resource_st {
int cursor;
uint32_t buffer[RESOURCE_COUNT_MAX];
} resource = { 0, {0} };
static void produce_item(int salt)
{
printf("produce item:\n");
printf("%d", salt);
resource.buffer[resource.cursor++] = salt;
printf("\n");
}
void entry_task_producer(void *arg)
{
size_t salt = 0;
k_err_t err;
while (K_TRUE) {
err = tos_sem_pend(&empty, TOS_TIME_FOREVER);
if (err != K_ERR_NONE) {
continue;
}
err = tos_mutex_pend(&buffer_locker);
if (err != K_ERR_NONE) {
continue;
}
produce_item(salt);
tos_mutex_post(&buffer_locker);
tos_sem_post(&full);
tos_task_delay(1000);
++salt;
}
}
static void consume_item(void)
{
printf("cosume item:\n");
printf("%d\t", resource.buffer[--resource.cursor]);
printf("\n");
}
void entry_task_consumer(void *arg)
{
k_err_t err;
while (K_TRUE) {
err = tos_sem_pend(&full, TOS_TIME_FOREVER);
if (err != K_ERR_NONE) {
continue;
}
tos_mutex_pend(&buffer_locker);
if (err != K_ERR_NONE) {
continue;
}
consume_item();
tos_mutex_post(&buffer_locker);
tos_sem_post(&empty);
tos_task_delay(2000);
}
}
int main(void)
{
board_init();
tos_knl_init();
tos_mutex_create(&buffer_locker);
tos_sem_create(&full, 0);
tos_sem_create(&empty, RESOURCE_COUNT_MAX);
(void)tos_task_create(&task_producer, "producer", entry_task_producer, NULL,
4, stack_task_producer, STK_SIZE_TASK_PRODUCER, 0);
(void)tos_task_create(&task_consumer, "consumer", entry_task_consumer, NULL,
4, stack_task_consumer, STK_SIZE_TASK_CONSUMER, 0);
tos_knl_start();
}
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