代码拉取完成,页面将自动刷新
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!!!
确定后同步将在后台操作,完成时将刷新页面,请耐心等待。
#include "tos_k.h"
#include "mcu_init.h"
#define STK_SIZE_TASK_DEMO 512
k_stack_t stack_task_demo[STK_SIZE_TASK_DEMO];
k_task_t task_demo;
#define MMBLK_BLK_NUM 5
#define MMBLK_BLK_SIZE 0x20
k_mmblk_pool_t mmblk_pool;
uint8_t mmblk_pool_buffer[MMBLK_BLK_NUM * MMBLK_BLK_SIZE];
void *p[MMBLK_BLK_NUM] = { K_NULL };
extern void entry_task_demo(void *arg);
void entry_task_demo(void *arg)
{
void *p_dummy = K_NULL;
k_err_t err;
int i = 0;
printf("mmblk_pool has %d blocks, size of each block is 0x%x\n", 5, 0x20);
for (; i < MMBLK_BLK_NUM; ++i) {
err = tos_mmblk_alloc(&mmblk_pool, &p[i]);
if (err == K_ERR_NONE) {
printf("%d block alloced: 0x%x\n", i, p[i]);
} else {
printf("should not happen\n");
}
}
err = tos_mmblk_alloc(&mmblk_pool, &p_dummy);
if (err == K_ERR_MMBLK_POOL_EMPTY) {
printf("blocks exhausted, all blocks is alloced\n");
} else {
printf("should not happen\n");
}
for (i = 0; i < MMBLK_BLK_NUM; ++i) {
err = tos_mmblk_free(&mmblk_pool, p[i]);
if (err != K_ERR_NONE) {
printf("should not happen\n");
}
}
err = tos_mmblk_free(&mmblk_pool, p[0]);
if (err == K_ERR_MMBLK_POOL_FULL) {
printf("pool is full\n");
} else {
printf("should not happen\n");
}
}
int main(void)
{
board_init();
tos_knl_init();
tos_mmblk_pool_create(&mmblk_pool, mmblk_pool_buffer, MMBLK_BLK_NUM, MMBLK_BLK_SIZE);
(void)tos_task_create(&task_demo, "receiver_higher_prio", entry_task_demo, NULL,
4, stack_task_demo, STK_SIZE_TASK_DEMO, 0);
tos_knl_start();
}
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