コード例 #1
0
ファイル: main.c プロジェクト: InSoonPark/asf
/*! \brief Main function. Execution starts here.
 */
int main(void)
{
#if SAMD21 || SAML21
	system_init();
#else
	sysclk_init();
	board_init();
#endif
	irq_initialize_vectors();
	cpu_irq_enable();

	// Initialize the sleep manager
	sleepmgr_init();

	ui_init();

	// Start USB host stack
	uhc_start();

	// The USB management is entirely managed by interrupts.
	// As a consequence, the user application does only have :
	// - to play with the power modes
	// - to create a file on each new LUN connected
	while (true) {
		//sleepmgr_enter_sleep();
		if (main_usb_sof_counter > 2000) {
			main_usb_sof_counter = 0;
			volatile uint8_t lun;
			FRESULT res;

			for (lun = LUN_ID_USB; (lun < LUN_ID_USB +
					uhi_msc_mem_get_lun()) &&
					(lun < MAX_DRIVE); lun++) {
				// Check if LUN has been already tested
				if (TEST_OK == lun_states[lun] ||
						TEST_ERROR == lun_states[lun]) {
					continue;
				}
				// Mount drive
				memset(&fs, 0, sizeof(FATFS));
				res = f_mount(lun, &fs);
				if (FR_INVALID_DRIVE == res) {
					// LUN is not present
					lun_states[lun] = TEST_NO_PRESENT;
					continue;
				}
				// Create a test file on the disk
				test_file_name[0] = lun + '0';
				res = f_open(&file_object,
						(char const *)test_file_name,
						FA_CREATE_ALWAYS | FA_WRITE);
				if (res == FR_NOT_READY) {
					// LUN not ready
					lun_states[lun] = TEST_NO_PRESENT;
					f_close(&file_object);
					continue;
				}
				if (res != FR_OK) {
					// LUN test error
					lun_states[lun] = TEST_ERROR;
					f_close(&file_object);
					continue;
				}
				// Write to test file
				f_puts(MSG_TEST, &file_object);
				// LUN test OK
				lun_states[lun] = TEST_OK;
				f_close(&file_object);
			}
			if (main_count_states(TEST_NO_PRESENT) == MAX_DRIVE) {
				ui_test_finish(false); // Test fail
			} else if (MAX_DRIVE != main_count_states(TEST_NULL)) {
				if (main_count_states(TEST_ERROR)) {
					ui_test_finish(false); // Test fail
				} else if (main_count_states(TEST_OK)) {
					ui_test_flag_reset();
					ui_test_finish(true); // Test OK
				}
			} else {
				ui_test_flag_reset();
			}
		}
	}
}
コード例 #2
0
ファイル: main.c プロジェクト: scarecrowli/asf
/*! \brief Main function. Execution starts here.
 */
int main(void)
{
	sysclk_init();
	irq_initialize_vectors();
	cpu_irq_enable();

	// Initialize the sleep manager
	sleepmgr_init();

	board_init();
	ui_init();

	// Reset File System
	nav_reset();

	// Start USB host stack
	uhc_start();

	// The USB management is entirely managed by interrupts.
	// As a consequence, the user application does only have :
	// - to play with the power modes
	// - to create a file on each new LUN connected
	while (true) {
		sleepmgr_enter_sleep();
		if (main_usb_sof_counter > 2000) {
			main_usb_sof_counter = 0;
			uint8_t lun;

			for (lun = 0; (lun < uhi_msc_mem_get_lun()) && (lun < 8); lun++) {
				// Mount drive
				nav_drive_set(lun);
				if (!nav_partition_mount()) {
					if (fs_g_status == FS_ERR_HW_NO_PRESENT) {
						// The test can not be done, if LUN is not present
						lun_state &= ~(1 << lun); // LUN test reseted
						continue;
					}
					lun_state |= (1 << lun); // LUN test is done.
					ui_test_finish(false); // Test fail
					continue;
				}

				// Check if LUN has been already tested
				if (lun_state & (1 << lun)) {
					continue;
				}

				// Create a test file on the disk
				if (!nav_file_create((FS_STRING) "uhi_msc_test.txt")) {
					if (fs_g_status != FS_ERR_FILE_EXIST) {
						if (fs_g_status == FS_LUN_WP) {
							// Test can be done only on no write protected device
							continue;
						}
						lun_state |= (1 << lun); // LUN test is done.
						ui_test_finish(false); // Test fail
						continue;
					}
				}
				if (!file_open(FOPEN_MODE_APPEND)) {
					if (fs_g_status == FS_LUN_WP) {
						// Test can be done only on no write protected device
						continue;
					}
					lun_state |= (1 << lun); // LUN test is done.
					ui_test_finish(false); // Test fail
					continue;
				}
				if (!file_write_buf((uint8_t*)MSG_TEST, sizeof(MSG_TEST))) {
					lun_state |= (1 << lun); // LUN test is done.
					ui_test_finish(false); // Test fail
					continue;
				}
				file_close();
				lun_state |= (1 << lun); // LUN test is done.
				ui_test_finish(true); // Test pass
			}
			if ((lun == 0) || (lun_state == 0)) {
				ui_test_flag_reset();
			}
		}
	}
}