Cover the shunt/bus/power alert-limit functions, the alert latch behaviour and the conversion-ready flag.
Signed-off-by: Emmanuel Blot <[email protected]> --- tests/qtest/ina230-test.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) diff --git a/tests/qtest/ina230-test.c b/tests/qtest/ina230-test.c index b01f9445d1..1c55028fcb 100644 --- a/tests/qtest/ina230-test.c +++ b/tests/qtest/ina230-test.c @@ -215,6 +215,98 @@ static void test_edges_overflow(void *obj, void *data, QGuestAllocator *alloc) g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_OVF, ==, ME_OVF); } +/* Shunt over-limit alert (transparent mode) sets the AFF flag */ +static void test_alert_shunt_over(void *obj, void *data, + QGuestAllocator *alloc) +{ + QI2CDevice *dev = (QI2CDevice *)obj; + + i2c_set16(dev, REG_CONFIG, CONFIG_RST); + + i2c_set16(dev, REG_ALERT_LIMIT, 0x1000); + i2c_set16(dev, REG_MASK_ENABLE, ME_SOL); + + qmp_ina230_set("shunt-voltage", 2500000); + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_AFF, ==, 0); + + qmp_ina230_set("shunt-voltage", 20000000); + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_AFF, ==, ME_AFF); + + qmp_ina230_set("shunt-voltage", 2500000); + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_AFF, ==, 0); +} + +/* Latch mode holds the alert until the Mask/Enable register is read */ +static void test_alert_latch(void *obj, void *data, QGuestAllocator *alloc) +{ + QI2CDevice *dev = (QI2CDevice *)obj; + uint16_t me; + + i2c_set16(dev, REG_CONFIG, CONFIG_RST); + + i2c_set16(dev, REG_ALERT_LIMIT, 0x1000); + i2c_set16(dev, REG_MASK_ENABLE, ME_SOL | ME_LEN); + + qmp_ina230_set("shunt-voltage", 20000000); + qmp_ina230_set("shunt-voltage", 2500000); + + me = i2c_get16(dev, REG_MASK_ENABLE); + g_assert_cmphex(me & ME_AFF, ==, ME_AFF); + + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_AFF, ==, 0); +} + +/* Bus over-limit alert */ +static void test_alert_bus(void *obj, void *data, QGuestAllocator *alloc) +{ + QI2CDevice *dev = (QI2CDevice *)obj; + + i2c_set16(dev, REG_CONFIG, CONFIG_RST); + + i2c_set16(dev, REG_ALERT_LIMIT, 0x2000); + i2c_set16(dev, REG_MASK_ENABLE, ME_BOL); + + qmp_ina230_set("bus-voltage", 5000000); + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_AFF, ==, 0); + + qmp_ina230_set("bus-voltage", 12000000); + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_AFF, ==, ME_AFF); +} + +/* Power over-limit alert */ +static void test_alert_power(void *obj, void *data, QGuestAllocator *alloc) +{ + QI2CDevice *dev = (QI2CDevice *)obj; + + i2c_set16(dev, REG_CONFIG, CONFIG_RST); + + qmp_ina230_set("shunt-voltage", 20000000); + qmp_ina230_set("bus-voltage", 11980000); + i2c_set16(dev, REG_CALIBRATION, 0x0A00); + + i2c_set16(dev, REG_ALERT_LIMIT, 0x1000); + i2c_set16(dev, REG_MASK_ENABLE, ME_POL); + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_AFF, ==, ME_AFF); + + i2c_set16(dev, REG_ALERT_LIMIT, 0x2000); + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_AFF, ==, 0); +} + +/* Conversion Ready Flag: set on conversion, cleared by reading Mask/Enable */ +static void test_cvrf(void *obj, void *data, QGuestAllocator *alloc) +{ + QI2CDevice *dev = (QI2CDevice *)obj; + + i2c_set16(dev, REG_CONFIG, CONFIG_RST); + + /* A conversion (triggered by injection) sets CVRF */ + qmp_ina230_set("shunt-voltage", 20000000); + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_CVRF, ==, ME_CVRF); + + /* The previous read cleared CVRF; no conversion since, so it stays clear */ + g_assert_cmphex(i2c_get16(dev, REG_MASK_ENABLE) & ME_CVRF, ==, 0); +} + static void ina230_register_nodes(void) { QOSGraphEdgeOptions opts = { @@ -235,5 +327,10 @@ static void ina230_register_nodes(void) qos_add_test("power", "ina230", test_power, NULL); qos_add_test("zero-cal", "ina230", test_zero_cal, NULL); qos_add_test("edges-overflow", "ina230", test_edges_overflow, NULL); + qos_add_test("alert-shunt-over", "ina230", test_alert_shunt_over, NULL); + qos_add_test("alert-latch", "ina230", test_alert_latch, NULL); + qos_add_test("alert-bus", "ina230", test_alert_bus, NULL); + qos_add_test("alert-power", "ina230", test_alert_power, NULL); + qos_add_test("cvrf", "ina230", test_cvrf, NULL); } libqos_init(ina230_register_nodes); -- 2.50.1
