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Diffstat (limited to 'qemu/tests/tmp105-test.c')
| -rw-r--r-- | qemu/tests/tmp105-test.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/qemu/tests/tmp105-test.c b/qemu/tests/tmp105-test.c deleted file mode 100644 index 235cae013..000000000 --- a/qemu/tests/tmp105-test.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * 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 "qemu/osdep.h" -#include <glib.h> - -#include "libqtest.h" -#include "libqos/i2c.h" -#include "hw/misc/tmp105_regs.h" - -#define OMAP2_I2C_1_BASE 0x48070000 - -#define TMP105_TEST_ID "tmp105-test" -#define TMP105_TEST_ADDR 0x49 - -static I2CAdapter *i2c; - -static uint16_t tmp105_get8(I2CAdapter *i2c, uint8_t addr, uint8_t reg) -{ - uint8_t resp[1]; - i2c_send(i2c, addr, ®, 1); - i2c_recv(i2c, addr, resp, 1); - return resp[0]; -} - -static uint16_t tmp105_get16(I2CAdapter *i2c, uint8_t addr, uint8_t reg) -{ - uint8_t resp[2]; - i2c_send(i2c, addr, ®, 1); - i2c_recv(i2c, addr, resp, 2); - return (resp[0] << 8) | resp[1]; -} - -static void tmp105_set8(I2CAdapter *i2c, uint8_t addr, uint8_t reg, - uint8_t value) -{ - uint8_t cmd[2]; - uint8_t resp[1]; - - cmd[0] = reg; - cmd[1] = value; - i2c_send(i2c, addr, cmd, 2); - i2c_recv(i2c, addr, resp, 1); - g_assert_cmphex(resp[0], ==, cmd[1]); -} - -static void tmp105_set16(I2CAdapter *i2c, uint8_t addr, uint8_t reg, - uint16_t value) -{ - uint8_t cmd[3]; - uint8_t resp[2]; - - cmd[0] = reg; - cmd[1] = value >> 8; - cmd[2] = value & 255; - 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]); -} - -static int qmp_tmp105_get_temperature(const char *id) -{ - QDict *response; - int ret; - - response = qmp("{ 'execute': 'qom-get', 'arguments': { 'path': %s, " - "'property': 'temperature' } }", id); - g_assert(qdict_haskey(response, "return")); - ret = qdict_get_int(response, "return"); - QDECREF(response); - return ret; -} - -static void qmp_tmp105_set_temperature(const char *id, int value) -{ - QDict *response; - - response = qmp("{ 'execute': 'qom-set', 'arguments': { 'path': %s, " - "'property': 'temperature', 'value': %d } }", id, value); - g_assert(qdict_haskey(response, "return")); - QDECREF(response); -} - -#define TMP105_PRECISION (1000/16) -static void send_and_receive(void) -{ - uint16_t value; - - value = qmp_tmp105_get_temperature(TMP105_TEST_ID); - g_assert_cmpuint(value, ==, 0); - - value = tmp105_get16(i2c, TMP105_TEST_ADDR, TMP105_REG_TEMPERATURE); - g_assert_cmphex(value, ==, 0); - - qmp_tmp105_set_temperature(TMP105_TEST_ID, 20000); - value = qmp_tmp105_get_temperature(TMP105_TEST_ID); - g_assert_cmpuint(value, ==, 20000); - - value = tmp105_get16(i2c, TMP105_TEST_ADDR, TMP105_REG_TEMPERATURE); - g_assert_cmphex(value, ==, 0x1400); - - qmp_tmp105_set_temperature(TMP105_TEST_ID, 20938); /* 20 + 15/16 */ - value = qmp_tmp105_get_temperature(TMP105_TEST_ID); - g_assert_cmpuint(value, >=, 20938 - TMP105_PRECISION/2); - g_assert_cmpuint(value, <, 20938 + TMP105_PRECISION/2); - - /* Set config */ - tmp105_set8(i2c, TMP105_TEST_ADDR, TMP105_REG_CONFIG, 0x60); - value = tmp105_get8(i2c, TMP105_TEST_ADDR, TMP105_REG_CONFIG); - g_assert_cmphex(value, ==, 0x60); - - value = tmp105_get16(i2c, TMP105_TEST_ADDR, TMP105_REG_TEMPERATURE); - g_assert_cmphex(value, ==, 0x14f0); - - /* Set precision to 9, 10, 11 bits. */ - tmp105_set8(i2c, TMP105_TEST_ADDR, TMP105_REG_CONFIG, 0x00); - value = tmp105_get16(i2c, TMP105_TEST_ADDR, TMP105_REG_TEMPERATURE); - g_assert_cmphex(value, ==, 0x1480); - - tmp105_set8(i2c, TMP105_TEST_ADDR, TMP105_REG_CONFIG, 0x20); - value = tmp105_get16(i2c, TMP105_TEST_ADDR, TMP105_REG_TEMPERATURE); - g_assert_cmphex(value, ==, 0x14c0); - - tmp105_set8(i2c, TMP105_TEST_ADDR, TMP105_REG_CONFIG, 0x40); - value = tmp105_get16(i2c, TMP105_TEST_ADDR, TMP105_REG_TEMPERATURE); - g_assert_cmphex(value, ==, 0x14e0); - - /* stored precision remains the same */ - value = qmp_tmp105_get_temperature(TMP105_TEST_ID); - g_assert_cmpuint(value, >=, 20938 - TMP105_PRECISION/2); - g_assert_cmpuint(value, <, 20938 + TMP105_PRECISION/2); - - tmp105_set8(i2c, TMP105_TEST_ADDR, TMP105_REG_CONFIG, 0x60); - value = tmp105_get16(i2c, TMP105_TEST_ADDR, TMP105_REG_TEMPERATURE); - g_assert_cmphex(value, ==, 0x14f0); - - tmp105_set16(i2c, TMP105_TEST_ADDR, TMP105_REG_T_LOW, 0x1234); - tmp105_set16(i2c, TMP105_TEST_ADDR, TMP105_REG_T_HIGH, 0x4231); -} - -int main(int argc, char **argv) -{ - QTestState *s = NULL; - int ret; - - g_test_init(&argc, &argv, NULL); - - s = qtest_start("-machine n800 " - "-device tmp105,bus=i2c-bus.0,id=" TMP105_TEST_ID - ",address=0x49"); - i2c = omap_i2c_create(OMAP2_I2C_1_BASE); - - qtest_add_func("/tmp105/tx-rx", send_and_receive); - - ret = g_test_run(); - - if (s) { - qtest_quit(s); - } - g_free(i2c); - - return ret; -} |