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Add SPI transfer16 method #69

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Merged
FabioBatSilva merged 2 commits into from
Jul 29, 2025
Merged

Add SPI transfer16 method #69

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8d84ec3
add transfer16 method to SPI class
kolod Jul 29, 2025
86c0945
add test
kolod Jul 29, 2025
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4 changes: 4 additions & 0 deletions src/SPIFake.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,10 @@ uint8_t SPIClass::transfer(uint8_t data) {
return ArduinoFakeInstance(SPI)->transfer(data);
};

uint16_t SPIClass::transfer16(uint16_t data) {
return ArduinoFakeInstance(SPI)->transfer16(data);
};

void SPIClass::transfer(void *buf, size_t count) {
return ArduinoFakeInstance(SPI)->transfer(buf, count);
};
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1 change: 1 addition & 0 deletions src/SPIFake.h
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Expand Up @@ -5,6 +5,7 @@

struct SPIFake {
virtual uint8_t transfer(uint8_t data) = 0;
virtual uint16_t transfer16(uint16_t data) = 0;
virtual void transfer(void *buf, size_t count) = 0;

virtual void beginTransaction(SPISettings settings) = 0;
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1 change: 1 addition & 0 deletions src/arduino/SPI.h
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Expand Up @@ -99,6 +99,7 @@ class SPIClass {

// Write to the SPI bus (MOSI pin) and also receive (MISO pin)
virtual uint8_t transfer(uint8_t data);
virtual uint16_t transfer16(uint16_t data);
virtual void transfer(void *buf, size_t count);

// After performing a group of transfers and releasing the chip select
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4 changes: 4 additions & 0 deletions test/test_spi.h
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Expand Up @@ -7,6 +7,7 @@ namespace SpiTest {
void test_basics(void) {
SPISettings settings(4000000, MSBFIRST, SPI_MODE0);
uint8_t data = 0x01;
uint16_t data16 = 0x1234;
uint8_t buffer[] = {0x02, 0x03, 0x04};
uint8_t *ptr = buffer;

Expand All @@ -15,11 +16,13 @@ void test_basics(void) {
When(OverloadedMethod(ArduinoFake(SPI), beginTransaction, void(SPISettings)).Using(settings)).AlwaysReturn();
When(OverloadedMethod(ArduinoFake(SPI), endTransaction, void(void))).AlwaysReturn();
When(OverloadedMethod(ArduinoFake(SPI), transfer, uint8_t(uint8_t)).Using(data)).AlwaysReturn();
When(OverloadedMethod(ArduinoFake(SPI), transfer16, uint16_t(uint16_t)).Using(data16)).AlwaysReturn();
When(OverloadedMethod(ArduinoFake(SPI), transfer, void(void*, size_t)).Using(ptr, sizeof(buffer))).AlwaysReturn();

SPI.begin();
SPI.beginTransaction(settings);
SPI.transfer(data);
SPI.transfer16(data16);
SPI.transfer(buffer, sizeof(buffer));
SPI.endTransaction();
SPI.end();
Expand All @@ -29,6 +32,7 @@ void test_basics(void) {
Verify(OverloadedMethod(ArduinoFake(SPI), beginTransaction, void(SPISettings))).Once();
Verify(OverloadedMethod(ArduinoFake(SPI), endTransaction, void(void))).Once();
Verify(OverloadedMethod(ArduinoFake(SPI), transfer, uint8_t(uint8_t))).Once();
Verify(OverloadedMethod(ArduinoFake(SPI), transfer16, uint16_t(uint16_t))).Once();
Verify(OverloadedMethod(ArduinoFake(SPI), transfer, void(void*, size_t))).Once();
}

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