| 1 | /* |
| 2 | * QTest testcase for the DS1338 RTC |
| 3 | * |
| 4 | * Copyright (c) 2013 Jean-Christophe Dubois |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the |
| 8 | * Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | #include "qemu/osdep.h" |
| 21 | #include "qemu/bcd.h" |
| 22 | #include "libqtest.h" |
| 23 | #include "libqos/i2c.h" |
| 24 | |
| 25 | #define DS1338_ADDR 0x68 |
| 26 | |
| 27 | static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc) |
| 28 | { |
| 29 | QI2CDevice *i2cdev = (QI2CDevice *)obj; |
| 30 | |
| 31 | uint8_t resp[7]; |
| 32 | time_t now = time(NULL); |
| 33 | struct tm *tm_ptr = gmtime(&now); |
| 34 | |
| 35 | i2c_read_block(i2cdev, 0, resp, sizeof(resp)); |
| 36 | |
| 37 | /* check retrieved time against local time */ |
| 38 | g_assert_cmpuint(from_bcd(resp[4]), == , tm_ptr->tm_mday); |
| 39 | g_assert_cmpuint(from_bcd(resp[5]), == , 1 + tm_ptr->tm_mon); |
| 40 | g_assert_cmpuint(2000 + from_bcd(resp[6]), == , 1900 + tm_ptr->tm_year); |
| 41 | } |
| 42 | |
| 43 | static void ds1338_register_nodes(void) |
| 44 | { |
| 45 | QOSGraphEdgeOptions opts = { |
| 46 | .extra_device_opts = "address=0x68" |
| 47 | }; |
| 48 | add_qi2c_address(&opts, &(QI2CAddress) { DS1338_ADDR }); |
| 49 | |
| 50 | qos_node_create_driver("ds1338", i2c_device_create); |
| 51 | qos_node_consumes("ds1338", "i2c-bus", &opts); |
| 52 | qos_add_test("tx-rx", "ds1338", send_and_receive, NULL); |
| 53 | } |
| 54 | libqos_init(ds1338_register_nodes); |