diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/Makefile | 3 | ||||
| -rw-r--r-- | tests/tmp105-test.c | 76 |
2 files changed, 79 insertions, 0 deletions
diff --git a/tests/Makefile b/tests/Makefile index 53c5873b3b..d86e95a400 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -60,6 +60,8 @@ gcov-files-i386-y += i386-softmmu/hw/mc146818rtc.c check-qtest-sparc-y = tests/m48t59-test$(EXESUF) check-qtest-sparc64-y = tests/m48t59-test$(EXESUF) gcov-files-sparc-y += hw/m48t59.c +check-qtest-arm-y = tests/tmp105-test$(EXESUF) +qcov-files-arm-y += hw/tmp105.c GENERATED_HEADERS += tests/test-qapi-types.h tests/test-qapi-visit.h tests/test-qmp-commands.h @@ -108,6 +110,7 @@ tests/rtc-test$(EXESUF): tests/rtc-test.o tests/m48t59-test$(EXESUF): tests/m48t59-test.o tests/fdc-test$(EXESUF): tests/fdc-test.o tests/hd-geo-test$(EXESUF): tests/hd-geo-test.o +tests/tmp105-test$(EXESUF): tests/tmp105-test.o # QTest rules diff --git a/tests/tmp105-test.c b/tests/tmp105-test.c new file mode 100644 index 0000000000..a6ad213de8 --- /dev/null +++ b/tests/tmp105-test.c @@ -0,0 +1,76 @@ +/* + * QTest testcase for the TMP105 temperature sensor + * + * Copyright (c) 2012 Andreas Färber + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#include "libqtest.h" +#include "libi2c.h" +#include "hw/tmp105_regs.h" + +#include <glib.h> + +#define OMAP2_I2C_1_BASE 0x48070000 + +#define N8X0_ADDR 0x48 + +static I2CAdapter *i2c; +static uint8_t addr; + +static void send_and_receive(void) +{ + uint8_t cmd[3]; + uint8_t resp[2]; + + cmd[0] = TMP105_REG_TEMPERATURE; + i2c_send(i2c, addr, cmd, 1); + i2c_recv(i2c, addr, resp, 2); + g_assert_cmpuint(((uint16_t)resp[0] << 8) | resp[1], ==, 0); + + cmd[0] = TMP105_REG_CONFIG; + cmd[1] = 0x0; /* matches the reset value */ + i2c_send(i2c, addr, cmd, 2); + i2c_recv(i2c, addr, resp, 1); + g_assert_cmphex(resp[0], ==, cmd[1]); + + cmd[0] = TMP105_REG_T_LOW; + cmd[1] = 0x12; + cmd[2] = 0x34; + i2c_send(i2c, addr, cmd, 3); + i2c_recv(i2c, addr, resp, 2); + g_assert_cmphex(resp[0], ==, cmd[1]); + g_assert_cmphex(resp[1], ==, cmd[2]); + + cmd[0] = TMP105_REG_T_HIGH; + cmd[1] = 0x42; + cmd[2] = 0x31; + i2c_send(i2c, addr, cmd, 3); + i2c_recv(i2c, addr, resp, 2); + g_assert_cmphex(resp[0], ==, cmd[1]); + g_assert_cmphex(resp[1], ==, cmd[2]); +} + +int main(int argc, char **argv) +{ + QTestState *s = NULL; + int ret; + + g_test_init(&argc, &argv, NULL); + + s = qtest_start("-display none -machine n800"); + i2c = omap_i2c_create(OMAP2_I2C_1_BASE); + addr = N8X0_ADDR; + + qtest_add_func("/tmp105/tx-rx", send_and_receive); + + ret = g_test_run(); + + if (s) { + qtest_quit(s); + } + g_free(i2c); + + return ret; +} |