59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
|
|
* QTest testcase for the DS1338 RTC
|
|
*
|
|
* Copyright (c) 2013 Jean-Christophe Dubois
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "libqos/libqtest.h"
|
|
#include "libqos/i2c.h"
|
|
|
|
#define DS1338_ADDR 0x68
|
|
|
|
static inline uint8_t bcd2bin(uint8_t x)
|
|
{
|
|
return ((x) & 0x0f) + ((x) >> 4) * 10;
|
|
}
|
|
|
|
static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc)
|
|
{
|
|
QI2CDevice *i2cdev = (QI2CDevice *)obj;
|
|
|
|
uint8_t resp[7];
|
|
time_t now = time(NULL);
|
|
struct tm *tm_ptr = gmtime(&now);
|
|
|
|
i2c_read_block(i2cdev, 0, resp, sizeof(resp));
|
|
|
|
/* check retrieved time againt local time */
|
|
g_assert_cmpuint(bcd2bin(resp[4]), == , tm_ptr->tm_mday);
|
|
g_assert_cmpuint(bcd2bin(resp[5]), == , 1 + tm_ptr->tm_mon);
|
|
g_assert_cmpuint(2000 + bcd2bin(resp[6]), == , 1900 + tm_ptr->tm_year);
|
|
}
|
|
|
|
static void ds1338_register_nodes(void)
|
|
{
|
|
QOSGraphEdgeOptions opts = {
|
|
.extra_device_opts = "address=0x68"
|
|
};
|
|
add_qi2c_address(&opts, &(QI2CAddress) { DS1338_ADDR });
|
|
|
|
qos_node_create_driver("ds1338", i2c_device_create);
|
|
qos_node_consumes("ds1338", "i2c-bus", &opts);
|
|
qos_add_test("tx-rx", "ds1338", send_and_receive, NULL);
|
|
}
|
|
libqos_init(ds1338_register_nodes);
|