/** * @brief Get a message from the queue. */ osEvent osMessageGet(osMessageQId queue_id, uint32_t millisec) { msg_t msg; osEvent event; event.def.message_id = queue_id; if (port_is_isr_context()) { /* Waiting makes no sense in ISRs so any value except "immediate" makes no sense.*/ if (millisec != 0) { event.status = osErrorValue; return event; } chSysLockFromISR(); msg = chMBFetchI((mailbox_t *)queue_id, (msg_t*)&event.value.v); chSysUnlockFromISR(); } else { msg = chMBFetch((mailbox_t *)queue_id, (msg_t*)&event.value.v, (systime_t)millisec); } /* Returned event type.*/ event.status = msg == MSG_OK ? osEventMessage : osEventTimeout; return event; }
static void test_009_003_execute(void) { msg_t msg1, msg2; unsigned i; /* [9.3.1] Filling the mailbox.*/ test_set_step(1); { for (i = 0; i < MB_SIZE; i++) { msg1 = chMBPost(&mb1, 'B' + i, TIME_INFINITE); test_assert(msg1 == MSG_OK, "wrong wake-up message"); } } /* [9.3.2] Testing chMBPost(), chMBPostI(), chMBPostAhead() and chMBPostAheadI() timeout.*/ test_set_step(2); { msg1 = chMBPost(&mb1, 'X', 1); test_assert(msg1 == MSG_TIMEOUT, "wrong wake-up message"); chSysLock(); msg1 = chMBPostI(&mb1, 'X'); chSysUnlock(); test_assert(msg1 == MSG_TIMEOUT, "wrong wake-up message"); msg1 = chMBPostAhead(&mb1, 'X', 1); test_assert(msg1 == MSG_TIMEOUT, "wrong wake-up message"); chSysLock(); msg1 = chMBPostAheadI(&mb1, 'X'); chSysUnlock(); test_assert(msg1 == MSG_TIMEOUT, "wrong wake-up message"); } /* [9.3.3] Resetting the mailbox. The mailbox is then returned in active state.*/ test_set_step(3); { chMBReset(&mb1); chMBResumeX(&mb1); } /* [9.3.4] Testing chMBFetch() and chMBFetchI() timeout.*/ test_set_step(4); { msg1 = chMBFetch(&mb1, &msg2, 1); test_assert(msg1 == MSG_TIMEOUT, "wrong wake-up message"); chSysLock(); msg1 = chMBFetchI(&mb1, &msg2); chSysUnlock(); test_assert(msg1 == MSG_TIMEOUT, "wrong wake-up message"); } }
msg_t Mailbox::fetchI(msg_t *msgp) { return chMBFetchI(&mb, msgp); }
static void mbox1_execute(void) { msg_t msg1, msg2; unsigned i; /* * Testing initial space. */ test_assert_lock(1, chMBGetFreeCountI(&mb1) == MB_SIZE, "wrong size"); /* * Testing enqueuing and backward circularity. */ for (i = 0; i < MB_SIZE - 1; i++) { msg1 = chMBPost(&mb1, 'B' + i, TIME_INFINITE); test_assert(2, msg1 == MSG_OK, "wrong wake-up message"); } msg1 = chMBPostAhead(&mb1, 'A', TIME_INFINITE); test_assert(3, msg1 == MSG_OK, "wrong wake-up message"); /* * Testing post timeout. */ msg1 = chMBPost(&mb1, 'X', 1); test_assert(4, msg1 == MSG_TIMEOUT, "wrong wake-up message"); chSysLock(); msg1 = chMBPostI(&mb1, 'X'); chSysUnlock(); test_assert(5, msg1 == MSG_TIMEOUT, "wrong wake-up message"); msg1 = chMBPostAhead(&mb1, 'X', 1); test_assert(6, msg1 == MSG_TIMEOUT, "wrong wake-up message"); chSysLock(); msg1 = chMBPostAheadI(&mb1, 'X'); chSysUnlock(); test_assert(7, msg1 == MSG_TIMEOUT, "wrong wake-up message"); /* * Testing final conditions. */ test_assert_lock(8, chMBGetFreeCountI(&mb1) == 0, "still empty"); test_assert_lock(9, chMBGetUsedCountI(&mb1) == MB_SIZE, "not full"); test_assert_lock(10, mb1.rdptr == mb1.wrptr, "pointers not aligned"); /* * Testing dequeuing. */ for (i = 0; i < MB_SIZE; i++) { msg1 = chMBFetch(&mb1, &msg2, TIME_INFINITE); test_assert(11, msg1 == MSG_OK, "wrong wake-up message"); test_emit_token(msg2); } test_assert_sequence(12, "ABCDE"); /* * Testing buffer circularity. */ msg1 = chMBPost(&mb1, 'B' + i, TIME_INFINITE); test_assert(13, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBFetch(&mb1, &msg2, TIME_INFINITE); test_assert(14, msg1 == MSG_OK, "wrong wake-up message"); test_assert(15, mb1.buffer == mb1.wrptr, "write pointer not aligned to base"); test_assert(16, mb1.buffer == mb1.rdptr, "read pointer not aligned to base"); /* * Testing fetch timeout. */ msg1 = chMBFetch(&mb1, &msg2, 1); test_assert(17, msg1 == MSG_TIMEOUT, "wrong wake-up message"); chSysLock(); msg1 = chMBFetchI(&mb1, &msg2); chSysUnlock(); test_assert(18, msg1 == MSG_TIMEOUT, "wrong wake-up message"); /* * Testing final conditions. */ test_assert_lock(19, chMBGetFreeCountI(&mb1) == MB_SIZE, "not empty"); test_assert_lock(20, chMBGetUsedCountI(&mb1) == 0, "still full"); test_assert_lock(21, mb1.rdptr == mb1.wrptr, "pointers not aligned"); /* * Testing I-Class. */ chSysLock(); msg1 = chMBPostI(&mb1, 'A'); test_assert(22, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBPostI(&mb1, 'B'); test_assert(23, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBPostI(&mb1, 'C'); test_assert(24, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBPostI(&mb1, 'D'); test_assert(25, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBPostI(&mb1, 'E'); chSysUnlock(); test_assert(26, msg1 == MSG_OK, "wrong wake-up message"); test_assert(27, mb1.rdptr == mb1.wrptr, "pointers not aligned"); for (i = 0; i < MB_SIZE; i++) { chSysLock(); msg1 = chMBFetchI(&mb1, &msg2); chSysUnlock(); test_assert(28, msg1 == MSG_OK, "wrong wake-up message"); test_emit_token(msg2); } test_assert_sequence(29, "ABCDE"); test_assert_lock(30, chMBGetFreeCountI(&mb1) == MB_SIZE, "not empty"); test_assert_lock(31, chMBGetUsedCountI(&mb1) == 0, "still full"); test_assert(32, mb1.rdptr == mb1.wrptr, "pointers not aligned"); chSysLock(); msg1 = chMBPostAheadI(&mb1, 'E'); test_assert(33, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBPostAheadI(&mb1, 'D'); test_assert(34, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBPostAheadI(&mb1, 'C'); test_assert(35, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBPostAheadI(&mb1, 'B'); test_assert(36, msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBPostAheadI(&mb1, 'A'); chSysUnlock(); test_assert(37, msg1 == MSG_OK, "wrong wake-up message"); test_assert(38, mb1.rdptr == mb1.wrptr, "pointers not aligned"); for (i = 0; i < MB_SIZE; i++) { chSysLock(); msg1 = chMBFetchI(&mb1, &msg2); chSysUnlock(); test_assert(39, msg1 == MSG_OK, "wrong wake-up message"); test_emit_token(msg2); } test_assert_sequence(40, "ABCDE"); test_assert_lock(41, chMBGetFreeCountI(&mb1) == MB_SIZE, "not empty"); test_assert_lock(42, chMBGetUsedCountI(&mb1) == 0, "still full"); test_assert(43, mb1.rdptr == mb1.wrptr, "pointers not aligned"); /* * Testing reset. */ chMBReset(&mb1); /* * Re-testing final conditions. */ test_assert_lock(44, chMBGetFreeCountI(&mb1) == MB_SIZE, "not empty"); test_assert_lock(45, chMBGetUsedCountI(&mb1) == 0, "still full"); test_assert_lock(46, mb1.buffer == mb1.wrptr, "write pointer not aligned to base"); test_assert_lock(47, mb1.buffer == mb1.rdptr, "read pointer not aligned to base"); }
static void test_008_002_execute(void) { msg_t msg1, msg2; unsigned i; /* [8.2.1] Testing the mailbox size.*/ test_set_step(1); { test_assert_lock(chMBGetFreeCountI(&mb1) == MB_SIZE, "wrong size"); } /* [8.2.2] Resetting the mailbox, conditions are checked, no errors expected.*/ test_set_step(2); { chSysLock(); chMBResetI(&mb1); chSysUnlock(); test_assert_lock(chMBGetFreeCountI(&mb1) == MB_SIZE, "not empty"); test_assert_lock(chMBGetUsedCountI(&mb1) == 0, "still full"); test_assert_lock(mb1.buffer == mb1.wrptr, "write pointer not aligned to base"); test_assert_lock(mb1.buffer == mb1.rdptr, "read pointer not aligned to base"); } /* [8.2.3] Filling the mailbox using chMBPostI() and chMBPostAheadI() once, no errors expected.*/ test_set_step(3); { for (i = 0; i < MB_SIZE - 1; i++) { chSysLock(); msg1 = chMBPostI(&mb1, 'B' + i); chSysUnlock(); test_assert(msg1 == MSG_OK, "wrong wake-up message"); } chSysLock(); msg1 = chMBPostAheadI(&mb1, 'A'); chSysUnlock(); test_assert(msg1 == MSG_OK, "wrong wake-up message"); } /* [8.2.4] Testing intermediate conditions. Data pointers must be aligned, semaphore counters are checked.*/ test_set_step(4); { test_assert_lock(chMBGetFreeCountI(&mb1) == 0, "still empty"); test_assert_lock(chMBGetUsedCountI(&mb1) == MB_SIZE, "not full"); test_assert_lock(mb1.rdptr == mb1.wrptr, "pointers not aligned"); } /* [8.2.5] Emptying the mailbox using chMBFetchI(), no errors expected.*/ test_set_step(5); { for (i = 0; i < MB_SIZE; i++) { chSysLock(); msg1 = chMBFetchI(&mb1, &msg2); chSysUnlock(); test_assert(msg1 == MSG_OK, "wrong wake-up message"); test_emit_token(msg2); } test_assert_sequence("ABCD", "wrong get sequence"); } /* [8.2.6] Posting and then fetching one more message, no errors expected.*/ test_set_step(6); { msg1 = chMBPost(&mb1, 'B' + i, TIME_INFINITE); test_assert(msg1 == MSG_OK, "wrong wake-up message"); msg1 = chMBFetch(&mb1, &msg2, TIME_INFINITE); test_assert(msg1 == MSG_OK, "wrong wake-up message"); } /* [8.2.7] Testing final conditions. Data pointers must be aligned to buffer start, semaphore counters are checked.*/ test_set_step(7); { test_assert_lock(chMBGetFreeCountI(&mb1) == MB_SIZE, "not empty"); test_assert_lock(chMBGetUsedCountI(&mb1) == 0, "still full"); test_assert(mb1.buffer == mb1.wrptr, "write pointer not aligned to base"); test_assert(mb1.buffer == mb1.rdptr, "read pointer not aligned to base"); } }