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I2C Slave Implementation

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This commit is contained in:
me-no-dev
2021-10-09 14:30:20 +03:00
parent 5b207104aa
commit f9f70d2f73
7 changed files with 1068 additions and 0 deletions
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8
libraries/Wire/src/Wire.h
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@ -61,6 +61,12 @@ protected:
TaskHandle_t nonStopTask;
SemaphoreHandle_t lock;
#endif
private:
bool is_slave;
void (*user_onRequest)(void);
void (*user_onReceive)(int);
static void onRequestService(uint8_t, void *);
static void onReceiveService(uint8_t, uint8_t*, size_t, bool, void *);
public:
TwoWire(uint8_t bus_num);
@ -70,6 +76,7 @@ public:
bool setPins(int sda, int scl);
bool begin(int sda=-1, int scl=-1, uint32_t frequency=0); // returns true, if successful init of i2c bus
bool begin(uint8_t slaveAddr, int sda=-1, int scl=-1, uint32_t frequency=0);
bool end();
void setTimeOut(uint16_t timeOutMillis); // default timeout of i2c transactions is 50ms
@ -123,6 +130,7 @@ public:
void onReceive( void (*)(int) );
void onRequest( void (*)(void) );
size_t slaveWrite(const uint8_t *, size_t);
};
extern TwoWire Wire;