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SAMD51 I2C slave support for Wire library and SAMD51 Thing Plus #58

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Merged
AndyEngland521 merged 2 commits into from
Nov 4, 2019
Merged

SAMD51 I2C slave support for Wire library and SAMD51 Thing Plus #58

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0ec7b86
Add handlers for all 4 SAMD5x SERCOM interrupts to support slave mode…
JordanMajd Oct 31, 2019
2653d81
Add slave mode i2c support for SAMD51 Thing Plus
JordanMajd Oct 31, 2019
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42 changes: 42 additions & 0 deletions sparkfun/samd/libraries/Wire/Wire.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,13 @@ void TwoWire::onService(void)
void WIRE_IT_HANDLER(void) {
Wire.onService();
}

#if defined(__SAMD51__)
void WIRE_IT_HANDLER_0(void) { Wire.onService(); }
void WIRE_IT_HANDLER_1(void) { Wire.onService(); }
void WIRE_IT_HANDLER_2(void) { Wire.onService(); }
void WIRE_IT_HANDLER_3(void) { Wire.onService(); }
#endif // __SAMD51__
#endif

#if WIRE_INTERFACES_COUNT > 1
Expand All @@ -295,6 +302,13 @@ void TwoWire::onService(void)
void WIRE1_IT_HANDLER(void) {
Wire1.onService();
}

#if defined(__SAMD51__)
void WIRE1_IT_HANDLER_0(void) { Wire1.onService(); }
void WIRE1_IT_HANDLER_1(void) { Wire1.onService(); }
void WIRE1_IT_HANDLER_2(void) { Wire1.onService(); }
void WIRE1_IT_HANDLER_3(void) { Wire1.onService(); }
#endif // __SAMD51__
#endif

#if WIRE_INTERFACES_COUNT > 2
Expand All @@ -303,6 +317,13 @@ void TwoWire::onService(void)
void WIRE2_IT_HANDLER(void) {
Wire2.onService();
}

#if defined(__SAMD51__)
void WIRE2_IT_HANDLER_0(void) { Wire2.onService(); }
void WIRE2_IT_HANDLER_1(void) { Wire2.onService(); }
void WIRE2_IT_HANDLER_2(void) { Wire2.onService(); }
void WIRE2_IT_HANDLER_3(void) { Wire2.onService(); }
#endif // __SAMD51__
#endif

#if WIRE_INTERFACES_COUNT > 3
Expand All @@ -311,6 +332,13 @@ void TwoWire::onService(void)
void WIRE3_IT_HANDLER(void) {
Wire3.onService();
}

#if defined(__SAMD51__)
void WIRE3_IT_HANDLER_0(void) { Wire3.onService(); }
void WIRE3_IT_HANDLER_1(void) { Wire3.onService(); }
void WIRE3_IT_HANDLER_2(void) { Wire3.onService(); }
void WIRE3_IT_HANDLER_3(void) { Wire3.onService(); }
#endif // __SAMD51__
#endif

#if WIRE_INTERFACES_COUNT > 4
Expand All @@ -319,6 +347,13 @@ void TwoWire::onService(void)
void WIRE4_IT_HANDLER(void) {
Wire4.onService();
}

#if defined(__SAMD51__)
void WIRE4_IT_HANDLER_0(void) { Wire4.onService(); }
void WIRE4_IT_HANDLER_1(void) { Wire4.onService(); }
void WIRE4_IT_HANDLER_2(void) { Wire4.onService(); }
void WIRE4_IT_HANDLER_3(void) { Wire4.onService(); }
#endif // __SAMD51__
#endif

#if WIRE_INTERFACES_COUNT > 5
Expand All @@ -327,5 +362,12 @@ void TwoWire::onService(void)
void WIRE5_IT_HANDLER(void) {
Wire5.onService();
}

#if defined(__SAMD51__)
void WIRE5_IT_HANDLER_0(void) { Wire5.onService(); }
void WIRE5_IT_HANDLER_1(void) { Wire5.onService(); }
void WIRE5_IT_HANDLER_2(void) { Wire5.onService(); }
void WIRE5_IT_HANDLER_3(void) { Wire5.onService(); }
#endif // __SAMD51__
#endif

4 changes: 4 additions & 0 deletions sparkfun/samd/variants/SparkFun_SAMD51_Thing_Plus/variant.h
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Original file line number Diff line number Diff line change
Expand Up @@ -166,6 +166,10 @@ static const uint8_t FLASH_SCK = PIN_SPI1_SCK ;
#define PIN_WIRE_SCL (21u)
#define PERIPH_WIRE sercom3
#define WIRE_IT_HANDLER SERCOM3_Handler
#define WIRE_IT_HANDLER_0 SERCOM3_0_Handler
#define WIRE_IT_HANDLER_1 SERCOM3_1_Handler
#define WIRE_IT_HANDLER_2 SERCOM3_2_Handler
#define WIRE_IT_HANDLER_3 SERCOM3_3_Handler

static const uint8_t SDA = PIN_WIRE_SDA;
static const uint8_t SCL = PIN_WIRE_SCL;
Expand Down