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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /* * Copyright (c) 2016 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ /** * @addtogroup t_pipe_api * @{ * @defgroup t_pipe_api_basic test_pipe_api_basic * @brief TestPurpose: verify zephyr pipe apis under different context * - API coverage * -# k_pipe_init K_PIPE_DEFINE * -# k_pipe_put * -# k_pipe_get * @} */ #include <ztest.h> #define STACK_SIZE 512 #define PIPE_LEN 8 #define BYTES_TO_WRITE (PIPE_LEN>>1) #define BYTES_TO_READ BYTES_TO_WRITE static unsigned char __aligned(4) data[] = "abcd1234"; /**TESTPOINT: init via K_PIPE_DEFINE*/ K_PIPE_DEFINE(kpipe, PIPE_LEN, 4); static struct k_pipe pipe; static char __noinit __stack tstack[STACK_SIZE]; static struct k_sem end_sema; static void tpipe_put(struct k_pipe *ppipe) { size_t to_wt, wt_byte = 0; for (int i = 0; i < PIPE_LEN; i += wt_byte) { /**TESTPOINT: pipe put*/ to_wt = (PIPE_LEN - i) >= BYTES_TO_WRITE ? BYTES_TO_WRITE : (PIPE_LEN - i); assert_false(k_pipe_put(ppipe, &data[i], to_wt, &wt_byte, 1, K_NO_WAIT), NULL); assert_true(wt_byte == to_wt || wt_byte == 1, NULL); } } static void tpipe_get(struct k_pipe *ppipe) { unsigned char rx_data[PIPE_LEN]; size_t to_rd, rd_byte = 0; /*get pipe data from "pipe_put"*/ for (int i = 0; i < PIPE_LEN; i += rd_byte) { /**TESTPOINT: pipe get*/ to_rd = (PIPE_LEN - i) >= BYTES_TO_READ ? BYTES_TO_READ : (PIPE_LEN - i); assert_false(k_pipe_get(ppipe, &rx_data[i], to_rd, &rd_byte, 1, K_NO_WAIT), NULL); assert_true(rd_byte == to_rd || rd_byte == 1, NULL); } for (int i = 0; i < PIPE_LEN; i++) { assert_equal(rx_data[i], data[i], NULL); } } static void tThread_entry(void *p1, void *p2, void *p3) { tpipe_get((struct k_pipe *)p1); k_sem_give(&end_sema); tpipe_put((struct k_pipe *)p1); k_sem_give(&end_sema); } static void tpipe_thread_thread(struct k_pipe *ppipe) { k_sem_init(&end_sema, 0, 1); /**TESTPOINT: thread-thread data passing via pipe*/ k_tid_t tid = k_thread_spawn(tstack, STACK_SIZE, tThread_entry, ppipe, NULL, NULL, K_PRIO_PREEMPT(0), 0, 0); tpipe_put(ppipe); k_sem_take(&end_sema, K_FOREVER); k_sem_take(&end_sema, K_FOREVER); tpipe_get(ppipe); /* clear the spawned thread avoid side effect */ k_thread_abort(tid); } /*test cases*/ void test_pipe_thread2thread(void) { /**TESTPOINT: test k_pipe_init pipe*/ k_pipe_init(&pipe, data, PIPE_LEN); tpipe_thread_thread(&pipe); /**TESTPOINT: test K_PIPE_DEFINE pipe*/ tpipe_thread_thread(&kpipe); } |