Upload files to "libraries/HX711/test"

2026-01-14 14:25:49 -05:00
parent 4377d216e6
commit c74fe660ad
1 changed files with 193 additions and 0 deletions
--- a/libraries/HX711/test/unit_test_001.cpp
+++ b/libraries/HX711/test/unit_test_001.cpp
@@ -0,0 +1,193 @@
+//
+//    FILE: unit_test_001.cpp
+//  AUTHOR: Rob Tillaart
+//    DATE: 2020-12-28
+// PURPOSE: unit tests for the HX711 library (24 bit ADC for loadcells)
+//          https://github.com/RobTillaart/HX711
+//          https://github.com/Arduino-CI/arduino_ci/blob/master/REFERENCE.md
+//
+
+// supported assertions
+// https://github.com/Arduino-CI/arduino_ci/blob/master/cpp/unittest/Assertion.h#L33-L42
+// ----------------------------
+// assertEqual(expected, actual)
+// assertNotEqual(expected, actual)
+// assertLess(expected, actual)
+// assertMore(expected, actual)
+// assertLessOrEqual(expected, actual)
+// assertMoreOrEqual(expected, actual)
+// assertTrue(actual)
+// assertFalse(actual)
+// assertNull(actual)
+// assertNotNull(actual)
+
+#include <ArduinoUnitTests.h>
+
+
+#include "Arduino.h"
+#include "HX711.h"
+
+
+uint8_t dataPin = 6;
+uint8_t clockPin = 7;
+
+
+unittest_setup()
+{
+  fprintf(stderr, "HX711_LIB_VERSION: %s\n", (char *) HX711_LIB_VERSION);
+}
+
+unittest_teardown()
+{
+}
+
+
+unittest(test_constants)
+{
+  assertEqual(0x00, HX711_AVERAGE_MODE);
+  assertEqual(0x01, HX711_MEDIAN_MODE);
+  assertEqual(0x02, HX711_MEDAVG_MODE);
+  assertEqual(0x03, HX711_RUNAVG_MODE);
+  assertEqual(0x04, HX711_RAW_MODE);
+
+  assertEqual(128,  HX711_CHANNEL_A_GAIN_128);
+  assertEqual(64,   HX711_CHANNEL_A_GAIN_64);
+  assertEqual(32,   HX711_CHANNEL_B_GAIN_32);
+}
+
+
+unittest(test_constructor)
+{
+  HX711 scale;
+  scale.begin(dataPin, clockPin);
+
+  //  pins are default LOW apparently.
+  assertTrue(scale.is_ready()); 
+  //  default not read
+  assertEqual(0, scale.last_time_read());
+}
+
+
+unittest(test_gain)
+{
+  HX711 scale;
+  scale.begin(dataPin, clockPin);
+
+  //  rewrite with constants?
+  //  HX711_CHANNEL_A_GAIN_128
+  //  HX711_CHANNEL_A_GAIN_64
+  //  HX711_CHANNEL_B_GAIN_32
+
+  //  default
+  assertEqual(128, scale.get_gain());
+
+  assertTrue(scale.set_gain(32));
+  assertEqual(32, scale.get_gain());
+
+  assertTrue(scale.set_gain());
+  assertEqual(128, scale.get_gain());
+
+  assertTrue(scale.set_gain(64));
+  assertEqual(64, scale.get_gain());
+
+  assertTrue(scale.set_gain(128));
+  assertEqual(128, scale.get_gain());
+
+  //  failing invalid parameter
+  assertFalse(scale.set_gain(100));
+  assertEqual(128, scale.get_gain());
+  
+  //  failing invalid parameter
+  //  0x40 == 64 so it will fail to fail.
+  //  assertFalse(scale.set_gain(0xFF40));  
+  //  assertEqual(128, scale.get_gain());
+}
+
+
+unittest(test_scale)
+{
+  HX711 scale;
+  scale.begin(dataPin, clockPin);
+
+  // default
+  assertEqualFloat(1.0, scale.get_scale(), 0.001);
+
+  for (float sc = 0.1; sc < 2.0; sc += 0.1)
+  {
+    scale.set_scale(sc);
+    assertEqualFloat(sc, scale.get_scale(), 0.001);
+  }
+  scale.set_scale();
+  assertEqualFloat(1.0, scale.get_scale(), 0.001);
+}
+
+
+unittest(test_offset)
+{
+  HX711 scale;
+  scale.begin(dataPin, clockPin);
+
+  // default offset
+  assertEqual(0, scale.get_offset());
+
+  for (long of = -100; of < 100; of += 13)
+  {
+    scale.set_offset(of);
+    assertEqual(of, scale.get_offset() );
+  }
+  scale.set_offset();
+  assertEqual(0, scale.get_offset());
+}
+
+
+unittest(test_tare)
+{
+  HX711 scale;
+  scale.begin(dataPin, clockPin);
+
+  // default tare
+  assertEqual(0, scale.get_tare());
+  assertFalse(scale.tare_set());
+
+  scale.set_offset(123);
+  assertTrue(scale.tare_set());
+}
+
+
+unittest(test_unit_price)
+{
+  HX711 scale;
+  scale.begin(dataPin, clockPin);
+
+  assertEqual(0, scale.get_unit_price());
+
+  for (float up = 0.10; up < 10; up += 1.23)
+  {
+    scale.set_unit_price(up);
+    assertEqualFloat(up, scale.get_unit_price(), 0.001);
+  }
+  scale.set_unit_price();
+  assertEqualFloat(1.0, scale.get_unit_price(), 0.001);
+}
+
+
+unittest(test_operational_mode)
+{
+  HX711 scale;
+  scale.begin(dataPin, clockPin);
+
+  assertEqual(0x00, scale.get_mode());
+  scale.set_medavg_mode();
+  assertEqual(0x02, scale.get_mode());
+  scale.set_median_mode();
+  assertEqual(0x01, scale.get_mode());
+  scale.set_average_mode();
+  assertEqual(0x00, scale.get_mode());
+}
+
+
+unittest_main()
+
+
+//  -- END OF FILE --
+