#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; extern void entry_task_demo(void *arg); void entry_task_demo(void *arg) { void *p = K_NULL, *p_aligned = K_NULL; int i = 0; while (K_TRUE) { if (i == 1) { p = tos_mmheap_alloc(0x30); if (p) { printf("alloc: %x\n", (cpu_addr_t)p); } } else if (i == 2) { if (p) { printf("free: %x\n", p); tos_mmheap_free(p); } } else if (i == 3) { p = tos_mmheap_alloc(0x30); if (p) { printf("alloc: %x\n", (cpu_addr_t)p); } } else if (i == 4) { p_aligned = tos_mmheap_aligned_alloc(0x50, 16); if (p_aligned) { printf("aligned alloc: %x\n", (cpu_addr_t)p_aligned); if ((cpu_addr_t)p_aligned % 16 == 0) { printf("%x is 16 aligned\n", (cpu_addr_t)p_aligned); } else { printf("should not happen\n"); } } } else if (i == 5) { p = tos_mmheap_realloc(p, 0x40); if (p) { printf("realloc: %x\n", (cpu_addr_t)p); } } else if (i == 6) { if (p) { tos_mmheap_free(p); } if (p_aligned) { tos_mmheap_free(p_aligned); } } tos_task_delay(1000); ++i; } } int main(void) { board_init(); tos_knl_init(); (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(); }