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Add low bandwidth conversions to MeshRadio (#10595)

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* Add low bandwidth conversions to MeshRadio

* Add test cases for new bandwidth conversion values (8/10/16/21/42) and round-trip tests

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
This commit is contained in:
Austin
2026-06-01 18:24:41 -04:00
committed by GitHub
co-authored by GitHub copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
parent 3feb155a5f
commit cbfa8d7ffd
2 changed files with 38 additions and 0 deletions
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test/test_radio/test_main.cpp
+18
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@@ -33,7 +33,12 @@ class TestableRadioInterface : public RadioInterface
static void test_bwCodeToKHz_specialMappings()
{
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 7.8f, bwCodeToKHz(8));
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 10.4f, bwCodeToKHz(10));
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 15.6f, bwCodeToKHz(16));
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 20.8f, bwCodeToKHz(21));
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 31.25f, bwCodeToKHz(31));
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 41.7f, bwCodeToKHz(42));
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 62.5f, bwCodeToKHz(62));
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 203.125f, bwCodeToKHz(200));
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 406.25f, bwCodeToKHz(400));
@@ -47,6 +52,18 @@ static void test_bwCodeToKHz_passthrough()
TEST_ASSERT_FLOAT_WITHIN(0.0001f, 250.0f, bwCodeToKHz(250));
}
static void test_bwCodeToKHz_roundTrip()
{
// Round-trip: bwKHzToCode(bwCodeToKHz(code)) should return the original code
uint16_t codes[] = {8, 10, 16, 21, 31, 42, 62, 200, 400, 800, 1600};
for (size_t i = 0; i < sizeof(codes) / sizeof(codes[0]); i++) {
uint16_t code = codes[i];
float khz = bwCodeToKHz(code);
uint16_t result = bwKHzToCode(khz);
TEST_ASSERT_EQUAL_UINT16(code, result);
}
}
static void test_validateConfigLora_noopWhenUsePresetFalse()
{
meshtastic_Config_LoRaConfig cfg = meshtastic_Config_LoRaConfig_init_zero;
@@ -213,6 +230,7 @@ void setup()
UNITY_BEGIN();
RUN_TEST(test_bwCodeToKHz_specialMappings);
RUN_TEST(test_bwCodeToKHz_passthrough);
RUN_TEST(test_bwCodeToKHz_roundTrip);
RUN_TEST(test_validateConfigLora_noopWhenUsePresetFalse);
RUN_TEST(test_validateConfigLora_validPreset_nonWideRegion);
RUN_TEST(test_validateConfigLora_validPreset_wideRegion);